diff --git a/include/lgi/common/HttpUi.h b/include/lgi/common/HttpUi.h --- a/include/lgi/common/HttpUi.h +++ b/include/lgi/common/HttpUi.h @@ -1,27 +1,27 @@ #ifndef _HTTP_UI_H_ #define _HTTP_UI_H_ #include "LOptionsFile.h" class LHttpCallback { public: virtual ~LHttpCallback() {} - char *FormDecode(char *s); - char *HtmlEncode(char *s); - bool ParseHtmlWithDom(LVariant &Out, GDom *Dom, char *Html); + char *FormDecode(const char *s); + char *HtmlEncode(const char *s); + bool ParseHtmlWithDom(LVariant &Out, LDom *Dom, const char *Html); - virtual int OnRequest(char *Action, char *Uri, char *Headers, char *Body, LVariant &Out) = 0; + virtual int OnRequest(const char *Action, constchar *Uri, constchar *Headers, constchar *Body, LVariant &Out) = 0; }; class LHttpServer { struct LHttpServerPriv *d; public: LHttpServer(LHttpCallback *cb, int port); ~LHttpServer(); }; #endif \ No newline at end of file diff --git a/include/lgi/common/Net.h b/include/lgi/common/Net.h --- a/include/lgi/common/Net.h +++ b/include/lgi/common/Net.h @@ -1,497 +1,500 @@ /** \file \author Matthew Allen \date 28/5/1998 \brief Network sockets classes Copyright (C) 1998, Matthew Allen */ #ifndef __INET_H #define __INET_H #include "lgi/common/LgiInterfaces.h" #include "lgi/common/Mem.h" #include "lgi/common/Containers.h" #include "lgi/common/Stream.h" #include "lgi/common/LgiString.h" #include "lgi/common/Cancel.h" #include "lgi/common/HashTable.h" #if defined WIN32 #include "ws2ipdef.h" #elif defined POSIX #include #elif defined BEOS #include #include #else typedef int SOCKET; #endif #define DEFAULT_TIMEOUT 30 // Standard ports #define FTP_PORT 21 #define SSH_PORT 22 #define SMTP_PORT 25 #define HTTP_PORT 80 #define HTTPS_PORT 443 #define SMTP_SSL_PORT 465 #define POP3_PORT 110 #define POP3_SSL_PORT 995 #define IMAP_PORT 143 #define IMAP_SSL_PORT 993 // Parameters for passing to LSocket::SetVariant /// Turn on/off logging. Used with LSocket::SetParameter. #define LSocket_Log "Log" /// Set the progress object. Used with LSocket::SetParameter. Value = (LProgressView*)Prog #define LSocket_Progress "Progress" /// Set the size of the transfer. Used with LSocket::SetParameter. Value = (int)Size #define LSocket_TransferSize "TransferSize" /// Set the type of protocol. Used with LSocket::SetParameter. Value = (char*)Protocol #define LSocket_Protocol "Protocol" #define LSocket_SetDelete "SetDelete" // Functions LgiFunc bool HaveNetConnection(); LgiFunc bool WhatsMyIp(LAutoString &Ip); LgiExtern LString LIpToStr(uint32_t ip); LgiExtern uint32_t LIpToInt(LString str); // Convert IP as string to host order int LgiExtern uint32_t LHostnameToIp(const char *HostName); // Hostname lookup (DNS), returns IP in host order or 0 on error /// Get a specific value from a list of headers (as a dynamic string) LgiFunc char *InetGetHeaderField(const char *Headers, const char *Field, ssize_t Len = -1); LgiExtern LString LGetHeaderField(LString Headers, const char *Field); /// Gets a sub field of a header value LgiFunc char *InetGetSubField(const char *s, const char *Field); LgiExtern LString LGetSubField(LString HeaderValue, const char *Field); /// Make md5 hash LgiFunc void MDStringToDigest ( /// Buffer to receive md5 hash unsigned char digest[16], /// Input string char *Str, /// Length of input string or -1 for null terminated int Len = -1 ); /// Implementation of a network socket class LgiClass LSocket : public LSocketI, public LStream { protected: class LSocketImplPrivate *d; // Methods void Log(const char *Msg, ssize_t Ret, const char *Buf, ssize_t Len); bool CreateUdpSocket(); public: ssize_t BytesRead, BytesWritten; /// Creates the class LSocket(LStreamI *logger = 0, void *unused_param = 0); /// Destroys the class ~LSocket(); /// Gets the active cancellation object LCancel *GetCancel() override; /// Sets the active cancellation object void SetCancel(LCancel *c) override; /// Returns the operating system handle to the socket. OsSocket Handle(OsSocket Set = INVALID_SOCKET) override; OsSocket ReleaseHandle(); /// Returns true if the internal state of the class is ok bool IsOK(); /// Returns the IP address at this end of the socket. bool GetLocalIp(char *IpAddr) override; /// Returns the port at this end of the socket. int GetLocalPort() override; /// Gets the IP address at the remote end of the socket. bool GetRemoteIp(uint32_t *IpAddr); bool GetRemoteIp(char *IpAddr) override; /// Gets the IP address at the remote end of the socket. int GetRemotePort() override; /// Gets the current timeout for operations in ms int GetTimeout() override; /// Sets the current timeout for operations in ms void SetTimeout(int ms) override; /// Returns whether there is data available for reading. bool IsReadable(int TimeoutMs = 0) override; /// Returns whether there is data available for reading. bool IsWritable(int TimeoutMs = 0) override; /// Returns if the socket is ready to accept a connection bool CanAccept(int TimeoutMs = 0) override; /// Returns if the socket is set to block bool IsBlocking() override; /// Set the socket to block void IsBlocking(bool block) override; /// Get the send delay setting bool IsDelayed() override; /// Set the send delay setting void IsDelayed(bool Delay) override; /// Opens a connection. int Open ( /// The name of the remote host. const char *HostAddr, /// The port on the remote host. int Port ) override; /// Returns true if the socket is connected. bool IsOpen() override; /// Closes the connection to the remote host. int Close() override; /// Binds on a given port. bool Bind(int Port, bool reuseAddr = true); /// Binds and listens on a given port for an incomming connection. bool Listen(int Port = 0) override; /// Accepts an incomming connection and connects the socket you pass in to the remote host. bool Accept ( /// The socket to handle the connection. LSocketI *c ) override; /// \brief Sends data to the remote host. /// \return the number of bytes written or <= 0 on error. ssize_t Write ( /// Pointer to the data to write const void *Data, /// Numbers of bytes to write ssize_t Len, /// Flags to pass to send int Flags = 0 ) override; inline ssize_t Write(const LString s) { return LStreamI::Write(s); } /// \brief Reads data from the remote host. /// \return the number of bytes read or <= 0 on error. /// /// Generally the number of bytes returned is less than the buffer size. Depending on how much data /// you are expecting you will need to keep reading until you get and end of field marker or the number /// of bytes your looking for. ssize_t Read ( /// Pointer to the buffer to write output to void *Data, /// The length of the receive buffer. ssize_t Len, /// The flags to pass to recv int Flags = 0 ) override; /// Returns the last error or 0. int Error(void *Param = 0) override; const char *GetErrorString() override; /// Not supported int64 GetSize() override { return -1; } /// Not supported int64 SetSize(int64 Size) override { return -1; } /// Not supported int64 GetPos() override { return -1; } /// Not supported int64 SetPos(int64 Pos) override { return -1; } /// Gets called when the connection is disconnected void OnDisconnect() override; /// Gets called when data is received. void OnRead(char *Data, ssize_t Len) override {} /// Gets called when data is sent. void OnWrite(const char *Data, ssize_t Len) override {} /// Gets called when an error occurs. void OnError(int ErrorCode, const char *ErrorDescription) override; /// Gets called when some information is available. void OnInformation(const char *Str) override {} /// Parameter change handler. int SetParameter ( /// e.g. #LSocket_Log int Param, int Value ) { return false; } /// Get UPD mode bool GetUdp() override; /// Set UPD mode void SetUdp(bool isUdp = true) override; /// Makes the socket able to broadcast void SetBroadcast(bool isBroadcast = true); /// Read UPD packet int ReadUdp(void *Buffer, int Size, int Flags, uint32_t *Ip = 0, uint16_t *Port = 0) override; /// Write UPD packet int WriteUdp(void *Buffer, int Size, int Flags, uint32_t Ip, uint16_t Port) override; bool AddMulticastMember(uint32_t MulticastIp, uint32_t LocalInterface); bool SetMulticastInterface(uint32_t Interface); // Impl LStreamI *Clone() override { LSocket *s = new LSocket; if (s) s->SetCancel(GetCancel()); return s; } // Statics /// Enumerates the current interfaces struct Interface { LString Name; uint32_t Ip4; // Host order... uint32_t Netmask4; bool IsLoopBack() { + if (Name.Find("Loopback") >= 0) + return true; + return Ip4 == 0x7f000001; } bool IsPrivate() { uint8_t h1 = (Ip4 >> 24) & 0xff; if (h1 == 192) { uint8_t h2 = ((Ip4 >> 16) & 0xff); return h2 == 168; } else if (h1 == 10) { return true; } else if (h1 == 172) { uint8_t h2 = ((Ip4 >> 16) & 0xff); return h2 >= 16 && h2 <= 31; } return false; } bool IsLinkLocal() { uint8_t h1 = (Ip4 >> 24) & 0xff; if (h1 == 169) { uint8_t h2 = ((Ip4 >> 16) & 0xff); return h2 == 254; } return false; } }; static bool EnumInterfaces(LArray &Out); }; class LgiClass LSocks5Socket : public LSocket { LAutoString Proxy; int Port; LAutoString UserName; LAutoString Password; protected: bool Socks5Connected; public: LSocks5Socket(); LSocks5Socket &operator=(const LSocks5Socket &s) { Proxy.Reset(NewStr(s.Proxy)); UserName.Reset(NewStr(s.UserName)); Password.Reset(NewStr(s.Password)); Port = s.Port; return *this; } // Connection void SetProxy(char *proxy, int port, char *username, char *password); void SetProxy(const LSocks5Socket *s); int Open(const char *HostAddr, int port); // Server bool Listen(int Port) { return false; } }; #define MAX_UDP_SIZE 512 class LUdpListener : public LSocket { LStream *Log; LString Context; public: bool Status = false; /* If this isn't working on Linux, most likely it's a firewall issue. For instance if you are running 'ufw' as your firewall you could allow packets through with: sudo ufw allow ${port}/udp */ LUdpListener(LArray interface_ips, uint32_t mc_ip, uint16_t port, LStream *log = NULL) : Log(log) { SetUdp(true); struct sockaddr_in addr; ZeroObj(addr); addr.sin_family = AF_INET; addr.sin_port = htons(port); #ifdef WINDOWS addr.sin_addr.S_un.S_addr = INADDR_ANY; #elif defined(MAC) addr.sin_addr.s_addr = htonl(mc_ip); #else addr.sin_addr.s_addr = INADDR_ANY; #endif Context = "LUdpListener.bind"; Status = bind(Handle(), (struct sockaddr*)&addr, sizeof(addr)) == 0; if (!Status) { #ifdef WIN32 int err = WSAGetLastError(); #else int err = errno; #endif OnError(err, LErrorCodeToString(err)); LgiTrace("Error: Bind on %s:%i\n", LIpToStr(ntohl(addr.sin_addr.s_addr)).Get(), port); } if (mc_ip) { Context = "LUdpListener.AddMulticastMember"; for (auto ip: interface_ips) AddMulticastMember(mc_ip, ip); } } bool ReadPacket(LString &d, uint32_t &Ip, uint16_t &Port) { if (!IsReadable(10)) return false; char Data[MAX_UDP_SIZE]; int Rd = ReadUdp(Data, sizeof(Data), 0, &Ip, &Port); if (Rd <= 0) return false; d.Set(Data, Rd); return true; } void OnError(int ErrorCode, const char *ErrorDescription) { LString s; if (Context) s.Printf("Error: %s - %i, %s\n", Context.Get(), ErrorCode, ErrorDescription); else s.Printf("Error: %i, %s\n", ErrorCode, ErrorDescription); if (Log) Log->Print("%s", s.Get()); else LgiTrace("%s", s.Get()); } }; class LUdpBroadcast : public LSocket { // LArray Intf; uint32_t SelectIf; public: LUdpBroadcast(uint32_t selectIf) : SelectIf(selectIf) { SetBroadcast(); SetUdp(true); // EnumInterfaces(Intf); } bool BroadcastPacket(LString Data, uint32_t Ip, uint16_t Port) { return BroadcastPacket(Data.Get(), Data.Length(), Ip, Port); } bool BroadcastPacket(void *Ptr, size_t Size, uint32_t Ip, uint16_t Port) { if (Size > MAX_UDP_SIZE) return false; if (SelectIf) { struct in_addr addr; addr.s_addr = htonl(SelectIf); auto r = setsockopt(Handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&addr, sizeof(addr)); if (r) LgiTrace("%s:%i - set IP_MULTICAST_IF for '%s' failed: %i\n", _FL, LIpToStr(SelectIf).Get(), r); SelectIf = 0; } uint32_t BroadcastIp = Ip; #if 0 LgiTrace("Broadcast %i.%i.%i.%i\n", (BroadcastIp >> 24) & 0xff, (BroadcastIp >> 16) & 0xff, (BroadcastIp >> 8) & 0xff, (BroadcastIp) & 0xff); #endif int wr = WriteUdp(Ptr, (int)Size, 0, BroadcastIp, Port); return wr == Size; } }; #endif diff --git a/src/common/Net/HttpUi.cpp b/src/common/Net/HttpUi.cpp --- a/src/common/Net/HttpUi.cpp +++ b/src/common/Net/HttpUi.cpp @@ -1,316 +1,316 @@ #include "Lgi.h" #include "GHttpUi.h" #include "INet.h" #include "INetTools.h" struct LHttpServerPriv; #define LOG_HTTP 0 class LHttpThread : public LThread { LSocket *s; LHttpServerPriv *p; public: LHttpThread(LSocket *sock, LHttpServerPriv *priv); int Main(); }; class LHttpServer_TraceSocket : public LSocket { public: void OnInformation(char *Str) { LgiTrace("%s:%i - SocketInfo: %s\n", _FL, Str); } - void OnError(int ErrorCode, char *ErrorDescription) + void OnError(int ErrorCode, const char *ErrorDescription) { LgiTrace("%s:%i - SocketError %i: %s\n", _FL, ErrorCode, ErrorDescription); } }; struct LHttpServerPriv : public LThread { LHttpCallback *Callback; LHttpServer_TraceSocket Listen; int Port; LHttpServerPriv(LHttpCallback *cb, int port) { Callback = cb; Port = port; Run(); } ~LHttpServerPriv() { Listen.Close(); while (!IsExited()) { LSleep(50); } } int Main() { #if LOG_HTTP LgiTrace("Attempting to listen on port %i...\n", Port); #endif if (!Listen.Listen(Port)) { LgiTrace("%s:%i - Can't listen on port %i.\n", _FL, Port); return false; } #if LOG_HTTP LgiTrace("Listening on port %i.\n", Port); #endif while (Listen.IsOpen()) { LSocket *s = new LSocket; #if LOG_HTTP LgiTrace("Accepting...\n"); #endif if (Listen.Accept(s)) { #if LOG_HTTP LgiTrace("Got new connection...\n"); #endif new LHttpThread(s, this); } } return 0; } }; LHttpThread::LHttpThread(LSocket *sock, LHttpServerPriv *priv) { s = sock; p = priv; Run(); } int LHttpThread::Main() { LArray Buf; int Block = 4 << 10, Used = 0, ContentLen = 0; int HeaderLen = 0; Buf.Length(Block); // Read headers... while (s->IsOpen()) { if (Buf.Length() - Used < 1) Buf.Length(Buf.Length() + Block); int r = s->Read(&Buf[Used], Buf.Length()-Used, 0); #if LOG_HTTP LgiTrace("%s:%i - read=%i\n", _FL, r); #endif if (r > 0) { Used += r; } char *Eoh; if (!HeaderLen && (Eoh = strnistr(&Buf[0], "\r\n\r\n", Used))) { // Found end of headers... HeaderLen = Eoh - &Buf[0] + 4; #if LOG_HTTP LgiTrace("%s:%i - HeaderLen=%i\n", _FL, HeaderLen); #endif char *s = InetGetHeaderField(&Buf[0], "Content-Length", HeaderLen); if (s) { ContentLen = atoi(s); #if LOG_HTTP LgiTrace("%s:%i - ContentLen=%i\n", _FL, ContentLen); #endif } else break; } if (ContentLen > 0) { if (Used >= HeaderLen + ContentLen) break; } if (r < 1) break; } Buf[Used] = 0; #if LOG_HTTP LgiTrace("%s:%i - got headers\n", _FL); #endif char *Action = &Buf[0]; char *Eol = strnstr(Action, "\r\n", Used); #if LOG_HTTP LgiTrace("%s:%i - eol=%p\n", _FL, Eol); #endif if (Eol) { *Eol = 0; Eol += 2; int FirstLine = Eol - Action; char *Uri = strchr(Action, ' '); if (Uri) { *Uri++ = 0; #if LOG_HTTP LgiTrace("%s:%i - uri='%s'\n", _FL, Uri); #endif char *Protocol = strrchr(Uri, ' '); if (Protocol) { *Protocol++ = 0; #if LOG_HTTP LgiTrace("%s:%i - protocol='%s'\n", _FL, Protocol); #endif if (p->Callback) { char *Eoh = strnistr(Eol, "\r\n\r\n", Used - FirstLine); if (Eoh) *Eoh = 0; LVariant Out; int Code = p->Callback->OnRequest(Action, Uri, Eol, Eoh + 4, Out); #if LOG_HTTP LgiTrace("%s:%i - Code=%i\n", _FL, Code); #endif s->Print("HTTP/1.0 %i Ok\r\n\r\n", Code); char *Response = Out.Str(); #if LOG_HTTP LgiTrace("%s:%i - Response=%p\n", _FL, Response); #endif if (Response) { int Len = strlen(Out.Str()); #if LOG_HTTP LgiTrace("%s:%i - Len=%p\n", _FL, Len); #endif s->Write(Out.Str(), Len); } } } } } s->Close(); DeleteObj(s); return 0; } LHttpServer::LHttpServer(LHttpCallback *cb, int port) { d = new LHttpServerPriv(cb, port); } LHttpServer::~LHttpServer() { DeleteObj(d); } -char *LHttpCallback::FormDecode(char *s) +char *LHttpCallback::FormDecode(const char *s) { - char *i = s, *o = s; + const char *i = s, *o = s; while (*i) { if (*i == '+') { *o++ = ' '; i++; } else if (*i == '%') { char h[3] = {i[1], i[2], 0}; *o++ = htoi(h); i += 3; } else { *o++ = *i++; } } *o = 0; return s; } -char *LHttpCallback::HtmlEncode(char *s) +char *LHttpCallback::HtmlEncode(const char *s) { LStringPipe p; - char *e = "<>"; + const char *e = "<>"; while (s && *s) { char *b = s; while (*s && !strchr(e, *s)) s++; if (s > b) p.Write(b, s - b); if (*s) { p.Print("&#%i;", *s); s++; } else break; } return p.NewStr(); } -bool LHttpCallback::ParseHtmlWithDom(LVariant &Out, GDom *Dom, char *Html) +bool LHttpCallback::ParseHtmlWithDom(LVariant &Out, LDom *Dom, const char *Html) { if (!Dom || !Html) return false; LStringPipe p; for (char *s = Html; s && *s; ) { char *e = stristr(s, "", 2) == 0) { LVariant Value; if (Dom->GetValue(Var, Value)) { p.Push(Value.CastString()); } s += 2; } else break; } else { p.Push(s); break; } } Out.Empty(); Out.Type = GV_STRING; Out.Value.String = p.NewStr(); return true; } diff --git a/src/common/Text/Html.cpp b/src/common/Text/Html.cpp --- a/src/common/Text/Html.cpp +++ b/src/common/Text/Html.cpp @@ -1,9476 +1,9506 @@ #include #include #include #include #include #include "lgi/common/Lgi.h" #include "lgi/common/Html.h" #include "lgi/common/ScrollBar.h" #include "lgi/common/Variant.h" #include "lgi/common/FindReplaceDlg.h" #include "lgi/common/Unicode.h" #include "lgi/common/Emoji.h" #include "lgi/common/ClipBoard.h" #include "lgi/common/Button.h" #include "lgi/common/Edit.h" #include "lgi/common/Combo.h" #include "lgi/common/GdcTools.h" #include "lgi/common/DisplayString.h" #include "lgi/common/Palette.h" #include "lgi/common/Path.h" #include "lgi/common/CssTools.h" #include "lgi/common/LgiRes.h" #include "lgi/common/Net.h" #include "lgi/common/Base64.h" #include "lgi/common/Menu.h" #include "lgi/common/FindReplaceDlg.h" #include "lgi/common/Homoglyphs.h" #include "lgi/common/Charset.h" #include "lgi/common/Uri.h" #include "HtmlPriv.h" #define DEBUG_TABLE_LAYOUT 1 #define DEBUG_DRAW_TD 0 #define DEBUG_RESTYLE 0 #define DEBUG_TAG_BY_POS 0 #define DEBUG_SELECTION 0 #define DEBUG_TEXT_AREA 0 #define ENABLE_IMAGE_RESIZING 1 #define DOCUMENT_LOAD_IMAGES 1 #define MAX_RECURSION_DEPTH 300 #define ALLOW_TABLE_GROWTH 1 #define LGI_HTML_MAXPAINT_TIME 350 // ms #define FLOAT_TOLERANCE 0.001 #define CRASH_TRACE 0 #ifdef MAC #define HTML_USE_DOUBLE_BUFFER 0 #else #define HTML_USE_DOUBLE_BUFFER 1 #endif #define GT_TRANSPARENT 0x00000000 #ifndef IDC_HAND #define IDC_HAND MAKEINTRESOURCE(32649) #endif #undef CellSpacing #define DefaultCellSpacing 0 #define DefaultCellPadding 1 #ifdef MAC #define MinimumPointSize 9 #define MinimumBodyFontSize 12 #else #define MinimumPointSize 8 #define MinimumBodyFontSize 11 #endif // #define DefaultFont "font-family: Times; font-size: 16pt;" #define DefaultBodyMargin "5px" #define DefaultImgSize 16 #define DefaultMissingCellColour GT_TRANSPARENT // Rgb32(0xf0,0xf0,0xf0) #define ShowNbsp 0 #define FontPxHeight(fnt) (fnt->GetHeight() - (int)(fnt->Leading() + 0.5)) #if 0 // def _DEBUG #define DefaultTableBorder Rgb32(0xf8, 0xf8, 0xf8) #else #define DefaultTableBorder GT_TRANSPARENT #endif #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT #define DEBUG_LOG(...) if (Table->Debug) LgiTrace(__VA_ARGS__) #else #define DEBUG_LOG(...) #endif #define IsTableCell(id) ( ((id) == TAG_TD) || ((id) == TAG_TH) ) #define IsTableTag() (TagId == TAG_TABLE || TagId == TAG_TR || TagId == TAG_TD || TagId == TAG_TH) #define GetCssLen(a, b) a().Type == LCss::LenInherit ? b() : a() static char WordDelim[] = ".,<>/?[]{}()*&^%$#@!+|\'\""; static char16 WhiteW[] = {' ', '\t', '\r', '\n', 0}; #if 0 static char DefaultCss[] = { "a { color: blue; text-decoration: underline; }" "body { margin: 8px; }" "strong { font-weight: bolder; }" "pre { font-family: monospace }" "h1 { font-size: 2em; margin: .67em 0px; }" "h2 { font-size: 1.5em; margin: .75em 0px; }" "h3 { font-size: 1.17em; margin: .83em 0px; }" "h4, p," "blockquote, ul," "fieldset, form," "ol, dl, dir," "menu { margin: 1.12em 0px; }" "h5 { font-size: .83em; margin: 1.5em 0px; }" "h6 { font-size: .75em; margin: 1.67em 0px; }" "strike, del { text-decoration: line-through; }" "hr { border: 1px inset; }" "center { text-align: center; }" "h1, h2, h3, h4," "h5, h6, b," "strong { font-weight: bolder; }" }; #endif template void RemoveChars(T *str, T *remove_list) { T *i = str, *o = str, *c; while (*i) { for (c = remove_list; *c; c++) { if (*c == *i) break; } if (*c == 0) *o++ = *i; i++; } *o++ = NULL; } ////////////////////////////////////////////////////////////////////// using namespace Html1; namespace Html1 { class LHtmlPrivate { public: LHashTbl, LTag*> Loading; LHtmlStaticInst Inst; bool CursorVis; LRect CursorPos; LPoint Content; bool WordSelectMode; bool LinkDoubleClick; LAutoString OnLoadAnchor; bool DecodeEmoji; LAutoString EmojiImg; int NextCtrlId; uint64 SetScrollTime; int DeferredLoads; + int FlowedTags = 0; + LHashTbl, uint64_t> FlowTimes; bool IsParsing; bool IsLoaded; bool StyleDirty; // Paint time limits... bool MaxPaintTimeout = false; int MaxPaintTime = LGI_HTML_MAXPAINT_TIME; // Find settings LAutoWString FindText; bool MatchCase; LHtmlPrivate() { IsLoaded = false; StyleDirty = false; IsParsing = false; LinkDoubleClick = true; WordSelectMode = false; NextCtrlId = 2000; SetScrollTime = 0; CursorVis = false; CursorPos.ZOff(-1, -1); DeferredLoads = 0; char EmojiPng[MAX_PATH_LEN]; #ifdef MAC LMakePath(EmojiPng, sizeof(EmojiPng), LGetExeFile(), "Contents/Resources/Emoji.png"); #else LGetSystemPath(LSP_APP_INSTALL, EmojiPng, sizeof(EmojiPng)); LMakePath(EmojiPng, sizeof(EmojiPng), EmojiPng, "resources/emoji.png"); #endif if (LFileExists(EmojiPng)) { DecodeEmoji = true; EmojiImg.Reset(NewStr(EmojiPng)); } else DecodeEmoji = false; } ~LHtmlPrivate() { } }; class InputButton : public LButton { LTag *Tag; public: InputButton(LTag *tag, int Id, const char *Label) : LButton(Id, 0, 0, -1, -1, Label) { Tag = tag; } void OnClick(const LMouse &m) { Tag->OnClick(m); } }; class LFontCache { LHtml *Owner; List Fonts; public: LFontCache(LHtml *owner) { Owner = owner; } ~LFontCache() { Fonts.DeleteObjects(); } LFont *FontAt(int i) { return Fonts.ItemAt(i); } LFont *FindMatch(LFont *m) { for (auto f: Fonts) { if (*f == *m) { return f; } } return 0; } LFont *GetFont(LCss *Style) { if (!Style) return NULL; LFont *Default = Owner->GetFont(); LCss::StringsDef Face = Style->FontFamily(); if (Face.Length() < 1 || !ValidStr(Face[0])) { Face.Empty(); const char *DefFace = Default->Face(); LAssert(ValidStr(DefFace)); Face.Add(NewStr(DefFace)); } LAssert(ValidStr(Face[0])); LCss::Len Size = Style->FontSize(); LCss::FontWeightType Weight = Style->FontWeight(); bool IsBold = Weight == LCss::FontWeightBold || Weight == LCss::FontWeightBolder || Weight > LCss::FontWeight400; bool IsItalic = Style->FontStyle() == LCss::FontStyleItalic; bool IsUnderline = Style->TextDecoration() == LCss::TextDecorUnderline; if (Size.Type == LCss::LenInherit || Size.Type == LCss::LenNormal) { Size.Type = LCss::LenPt; Size.Value = (float)Default->PointSize(); } auto Scale = Owner->GetDpiScale(); if (Size.Type == LCss::LenPx) { Size.Value *= (float) Scale.y; int RequestPx = (int) Size.Value; // Look for cached fonts of the right size... for (auto f: Fonts) { if (f->Face() && _stricmp(f->Face(), Face[0]) == 0 && f->Bold() == IsBold && f->Italic() == IsItalic && f->Underline() == IsUnderline) { int Px = FontPxHeight(f); int Diff = Px - RequestPx; if (Diff >= 0 && Diff <= 2) return f; } } } else if (Size.Type == LCss::LenPt) { double Pt = Size.Value; for (auto f: Fonts) { if (!f->Face() || Face.Length() == 0) { LAssert(0); break; } auto FntSz = f->Size(); if (f->Face() && _stricmp(f->Face(), Face[0]) == 0 && FntSz.Type == LCss::LenPt && std::abs(FntSz.Value - Pt) < FLOAT_TOLERANCE && f->Bold() == IsBold && f->Italic() == IsItalic && f->Underline() == IsUnderline) { // Return cached font return f; } } } else if (Size.Type == LCss::LenPercent) { // Most of the percentages will be resolved in the "Apply" stage // of the CSS calculations, any that appear here have no "font-size" // in their parent tree, so we just use the default font size times // the requested percent Size.Type = LCss::LenPt; Size.Value *= Default->PointSize() / 100.0f; if (Size.Value < MinimumPointSize) Size.Value = MinimumPointSize; } else if (Size.Type == LCss::LenEm) { // Most of the relative sizes will be resolved in the "Apply" stage // of the CSS calculations, any that appear here have no "font-size" // in their parent tree, so we just use the default font size times // the requested percent Size.Type = LCss::LenPt; Size.Value *= Default->PointSize(); if (Size.Value < MinimumPointSize) Size.Value = MinimumPointSize; } else if (Size.Type == LCss::SizeXXSmall || Size.Type == LCss::SizeXSmall || Size.Type == LCss::SizeSmall || Size.Type == LCss::SizeMedium || Size.Type == LCss::SizeLarge || Size.Type == LCss::SizeXLarge || Size.Type == LCss::SizeXXLarge) { int Idx = Size.Type-LCss::SizeXXSmall; LAssert(Idx >= 0 && Idx < CountOf(LCss::FontSizeTable)); Size.Type = LCss::LenPt; Size.Value = Default->PointSize() * LCss::FontSizeTable[Idx]; if (Size.Value < MinimumPointSize) Size.Value = MinimumPointSize; } else if (Size.Type == LCss::SizeSmaller) { Size.Type = LCss::LenPt; Size.Value = (float)(Default->PointSize() - 1); } else if (Size.Type == LCss::SizeLarger) { Size.Type = LCss::LenPt; Size.Value = (float)(Default->PointSize() + 1); } else LAssert(!"Not impl."); LFont *f; if ((f = new LFont)) { auto ff = ValidStr(Face[0]) ? Face[0] : Default->Face(); f->Face(ff); f->Size(Size.IsValid() ? Size : Default->Size()); f->Bold(IsBold); f->Italic(IsItalic); f->Underline(IsUnderline); // printf("Add cache font %s,%i %i,%i,%i\n", f->Face(), f->PointSize(), f->Bold(), f->Italic(), f->Underline()); if (std::abs(Size.Value) < FLOAT_TOLERANCE) ; else if (!f->Create((char*)0, 0)) { // Broken font... f->Face(Default->Face()); LFont *DefMatch = FindMatch(f); // printf("Falling back to default face for '%s:%i', DefMatch=%p\n", ff, f->PointSize(), DefMatch); if (DefMatch) { DeleteObj(f); return DefMatch; } else { if (!f->Create((char*)0, 0)) { DeleteObj(f); return Fonts[0]; } } } // Not already cached Fonts.Insert(f); if (!f->Face()) { LAssert(0); } return f; } return 0; } }; class LFlowRegion { LCss::LengthType Align = LCss::LenInherit; List Line; // These pointers aren't owned by the flow region // When the line is finish, all the tag regions // will need to be vertically aligned struct LFlowStack { int LeftAbs; int RightAbs; int TopAbs; }; LArray Stack; public: LHtml *Html; int x1, x2; // Left and right margins int y1; // Current y position int y2; // Maximum used y position int cx; // Current insertion point int my; // How much of the area above y2 was just margin LPoint MAX; // Max dimensions int Inline; int InBody; LFlowRegion(LHtml *html, bool inbody) { Html = html; x1 = x2 = y1 = y2 = cx = my = 0; Inline = 0; InBody = inbody; } LFlowRegion(LHtml *html, LRect r, bool inbody) { Html = html; MAX.x = cx = x1 = r.x1; MAX.y = y1 = y2 = r.y1; x2 = r.x2; my = 0; Inline = 0; InBody = inbody; } LFlowRegion(LFlowRegion &r) { Html = r.Html; x1 = r.x1; x2 = r.x2; y1 = r.y1; MAX.x = cx = r.cx; MAX.y = y2 = r.y2; my = r.my; Inline = r.Inline; InBody = r.InBody; } LString ToString() { LString s; s.Printf("Flow: x=%i(%i)%i y=%i,%i my=%i inline=%i", x1, cx, x2, y1, y2, my, Inline); return s; } int X() { return x2 - cx; } void X(int newx) { x2 = x1 + newx - 1; } int Width() { return x2 - x1 + 1; } LFlowRegion &operator +=(LRect r) { x1 += r.x1; cx += r.x1; x2 -= r.x2; y1 += r.y1; y2 += r.y1; return *this; } LFlowRegion &operator -=(LRect r) { x1 -= r.x1; cx -= r.x1; x2 += r.x2; y1 += r.y2; y2 += r.y2; return *this; } void AlignText(); void FinishLine(bool Margin = false); void EndBlock(); void Insert(LFlowRect *Tr, LCss::LengthType Align); LRect *LineBounds(); void Indent(LTag *Tag, LCss::Len Left, LCss::Len Top, LCss::Len Right, LCss::Len Bottom, bool IsMargin) { LFlowRegion This(*this); LFlowStack &Fs = Stack.New(); Fs.LeftAbs = Left.IsValid() ? ResolveX(Left, Tag, IsMargin) : 0; Fs.RightAbs = Right.IsValid() ? ResolveX(Right, Tag, IsMargin) : 0; Fs.TopAbs = Top.IsValid() ? ResolveY(Top, Tag, IsMargin) : 0; x1 += Fs.LeftAbs; cx += Fs.LeftAbs; x2 -= Fs.RightAbs; y1 += Fs.TopAbs; y2 += Fs.TopAbs; if (IsMargin) my += Fs.TopAbs; } void Indent(LRect &Px, bool IsMargin) { LFlowRegion This(*this); LFlowStack &Fs = Stack.New(); Fs.LeftAbs = Px.x1; Fs.RightAbs = Px.x2; Fs.TopAbs = Px.y1; x1 += Fs.LeftAbs; cx += Fs.LeftAbs; x2 -= Fs.RightAbs; y1 += Fs.TopAbs; y2 += Fs.TopAbs; if (IsMargin) my += Fs.TopAbs; } void Outdent(LRect &Px, bool IsMargin) { LFlowRegion This = *this; ssize_t len = Stack.Length(); if (len > 0) { LFlowStack &Fs = Stack[len-1]; int &BottomAbs = Px.y2; x1 -= Fs.LeftAbs; cx -= Fs.LeftAbs; x2 += Fs.RightAbs; y2 += BottomAbs; if (IsMargin) my += BottomAbs; Stack.Length(len-1); } else LAssert(!"Nothing to pop."); } void Outdent(LTag *Tag, LCss::Len Left, LCss::Len Top, LCss::Len Right, LCss::Len Bottom, bool IsMargin) { LFlowRegion This = *this; ssize_t len = Stack.Length(); if (len > 0) { LFlowStack &Fs = Stack[len-1]; int BottomAbs = Bottom.IsValid() ? ResolveY(Bottom, Tag, IsMargin) : 0; x1 -= Fs.LeftAbs; cx -= Fs.LeftAbs; x2 += Fs.RightAbs; y2 += BottomAbs; if (IsMargin) my += BottomAbs; Stack.Length(len-1); } else LAssert(!"Nothing to pop."); } int ResolveX(LCss::Len l, LTag *t, bool IsMargin) { LFont *f = t->GetFont(); switch (l.Type) { default: case LCss::LenInherit: return IsMargin ? 0 : X(); case LCss::LenPx: // return MIN((int)l.Value, X()); return (int)l.Value; case LCss::LenPt: return (int) (l.Value * LScreenDpi().x / 72.0); case LCss::LenCm: return (int) (l.Value * LScreenDpi().x / 2.54); case LCss::LenEm: { if (!f) { LAssert(!"No font?"); f = LSysFont; } return (int)(l.Value * f->GetHeight()); } case LCss::LenEx: { if (!f) { LAssert(!"No font?"); f = LSysFont; } return (int) (l.Value * f->GetHeight() / 2); // More haha, who uses 'ex' anyway? } case LCss::LenPercent: { int my_x = X(); int px = (int) (l.Value * my_x / 100.0); return px; } case LCss::LenAuto: { if (IsMargin) return 0; else return X(); break; } case LCss::SizeSmall: { return 1; // px } case LCss::SizeMedium: { return 2; // px } case LCss::SizeLarge: { return 3; // px } } return 0; } bool LimitX(int &x, LCss::Len Min, LCss::Len Max, LFont *f) { bool Limited = false; if (Min.IsValid()) { int Px = Min.ToPx(x2 - x1 + 1, f, false); if (Px > x) { x = Px; Limited = true; } } if (Max.IsValid()) { int Px = Max.ToPx(x2 - x1 + 1, f, false); if (Px < x) { x = Px; Limited = true; } } return Limited; } int ResolveY(LCss::Len l, LTag *t, bool IsMargin) { LFont *f = t->GetFont(); switch (l.Type) { case LCss::LenInherit: case LCss::LenAuto: case LCss::LenNormal: case LCss::LenPx: return (int)l.Value; case LCss::LenPt: return (int) (l.Value * LScreenDpi().y / 72.0); case LCss::LenCm: return (int) (l.Value * LScreenDpi().y / 2.54); case LCss::LenEm: { if (!f) { f = LSysFont; LAssert(!"No font"); } return (int) (l.Value * f->GetHeight()); } case LCss::LenEx: { if (!f) { f = LSysFont; LAssert(!"No font"); } return (int) (l.Value * f->GetHeight() / 2); // More haha, who uses 'ex' anyway? } case LCss::LenPercent: { // Walk up tree of tags to find an absolute size... LCss::Len Ab; for (LTag *p = ToTag(t->Parent); p; p = ToTag(p->Parent)) { auto h = p->Height(); if (h.IsValid() && !h.IsDynamic()) { Ab = h; break; } } if (!Ab.IsValid()) { LAssert(Html != NULL); Ab.Type = LCss::LenPx; Ab.Value = (float)Html->Y(); } LCss::Len m = Ab * l; return (int)m.ToPx(0, f);; } case LCss::SizeSmall: { return 1; // px } case LCss::SizeMedium: { return 2; // px } case LCss::SizeLarge: { return 3; // px } case LCss::AlignLeft: case LCss::AlignRight: case LCss::AlignCenter: case LCss::AlignJustify: case LCss::VerticalBaseline: case LCss::VerticalSub: case LCss::VerticalSuper: case LCss::VerticalTop: case LCss::VerticalTextTop: case LCss::VerticalMiddle: case LCss::VerticalBottom: case LCss::VerticalTextBottom: { // Meaningless in this context break; } default: { LAssert(!"Not supported."); break; } } return 0; } bool LimitY(int &y, LCss::Len Min, LCss::Len Max, LFont *f) { bool Limited = false; int TotalY = Html ? Html->Y() : 0; if (Min.IsValid()) { int Px = Min.ToPx(TotalY, f, false); if (Px > y) { y = Px; Limited = true; } } if (Max.IsValid()) { int Px = Max.ToPx(TotalY, f, false); if (Px < y) { y = Px; Limited = true; } } return Limited; } LRect ResolveMargin(LCss *Src, LTag *Tag) { LRect r; r.x1 = ResolveX(Src->MarginLeft(), Tag, true); r.y1 = ResolveY(Src->MarginTop(), Tag, true); r.x2 = ResolveX(Src->MarginRight(), Tag, true); r.y2 = ResolveY(Src->MarginBottom(), Tag, true); return r; } LRect ResolveBorder(LCss *Src, LTag *Tag) { LRect r; r.x1 = ResolveX(Src->BorderLeft(), Tag, true); r.y1 = ResolveY(Src->BorderTop(), Tag, true); r.x2 = ResolveX(Src->BorderRight(), Tag, true); r.y2 = ResolveY(Src->BorderBottom(), Tag, true); return r; } LRect ResolvePadding(LCss *Src, LTag *Tag) { LRect r; r.x1 = ResolveX(Src->PaddingLeft(), Tag, true); r.y1 = ResolveY(Src->PaddingTop(), Tag, true); r.x2 = ResolveX(Src->PaddingRight(), Tag, true); r.y2 = ResolveY(Src->PaddingBottom(), Tag, true); return r; } }; }; ////////////////////////////////////////////////////////////////////// static bool ParseDistance(char *s, float &d, char *units = 0) { if (!s) return false; while (*s && IsWhiteSpace(*s)) s++; if (!IsDigit(*s) && !strchr("-.", *s)) return false; d = (float)atof(s); while (*s && (IsDigit(*s) || strchr("-.", *s))) s++; while (*s && IsWhiteSpace(*s)) s++; char _units[128]; char *o = units = units ? units : _units; while (*s && (IsAlpha(*s) || *s == '%')) { *o++ = *s++; } *o++ = 0; return true; } LHtmlLength::LHtmlLength() { d = 0; PrevAbs = 0; u = LCss::LenInherit; } LHtmlLength::LHtmlLength(char *s) { Set(s); } bool LHtmlLength::IsValid() { return u != LCss::LenInherit; } bool LHtmlLength::IsDynamic() { return u == LCss::LenPercent || d == 0.0; } LHtmlLength::operator float () { return d; } LHtmlLength &LHtmlLength::operator =(float val) { d = val; u = LCss::LenPx; return *this; } LCss::LengthType LHtmlLength::GetUnits() { return u; } void LHtmlLength::Set(char *s) { if (ValidStr(s)) { char Units[256] = ""; if (ParseDistance(s, d, Units)) { if (Units[0]) { if (strchr(Units, '%')) { u = LCss::LenPercent; } else if (stristr(Units, "pt")) { u = LCss::LenPt; } else if (stristr(Units, "em")) { u = LCss::LenEm; } else if (stristr(Units, "ex")) { u = LCss::LenEx; } else { u = LCss::LenPx; } } else { u = LCss::LenPx; } } } } float LHtmlLength::Get(LFlowRegion *Flow, LFont *Font, bool Lock) { switch (u) { default: break; case LCss::LenEm: { return PrevAbs = d * (Font ? Font->GetHeight() : 14); break; } case LCss::LenEx: { return PrevAbs = (Font ? Font->GetHeight() * d : 14) / 2; break; } case LCss::LenPercent: { if (Lock || PrevAbs == 0.0) { return PrevAbs = (Flow->X() * d / 100); } else { return PrevAbs; } break; } } float FlowX = Flow ? Flow->X() : d; return PrevAbs = MIN(FlowX, d); } LHtmlLine::LHtmlLine() { LineStyle = -1; LineReset = 0x80000000; } LHtmlLine::~LHtmlLine() { } LHtmlLine &LHtmlLine::operator =(int i) { d = (float)i; return *this; } void LHtmlLine::Set(char *s) { auto t = LString(s).SplitDelimit(" \t"); LineReset = 0x80000000; LineStyle = -1; char *Style = 0; for (unsigned i=0; iColourMap.Find(c) ) { LHtmlParser::ParseColour(c, Colour); } else if (_strnicmp(c, "rgb(", 4) == 0) { char Buf[256]; strcpy_s(Buf, sizeof(Buf), c); while (!strchr(c, ')') && (c = t[++i])) { strcat(Buf, c); } LHtmlParser::ParseColour(Buf, Colour); } else if (IsDigit(*c)) { LHtmlLength::Set(c); } else if (_stricmp(c, "none") == 0) { Style = 0; } else if ( _stricmp(c, "dotted") == 0 || _stricmp(c, "dashed") == 0 || _stricmp(c, "solid") == 0 || _stricmp(c, "float") == 0 || _stricmp(c, "groove") == 0 || _stricmp(c, "ridge") == 0 || _stricmp(c, "inset") == 0 || _stricmp(c, "outse") == 0) { Style = c; } else { // ??? } } if (Style && _stricmp(Style, "dotted") == 0) { switch ((int)d) { case 2: { LineStyle = 0xcccccccc; break; } case 3: { LineStyle = 0xe38e38; LineReset = 0x800000; break; } case 4: { LineStyle = 0xf0f0f0f0; break; } case 5: { LineStyle = 0xf83e0; LineReset = 0x80000; break; } case 6: { LineStyle = 0xfc0fc0; LineReset = 0x800000; break; } case 7: { LineStyle = 0xfe03f80; LineReset = 0x8000000; break; } case 8: { LineStyle = 0xff00ff00; break; } case 9: { LineStyle = 0x3fe00; LineReset = 0x20000; break; } default: { LineStyle = 0xaaaaaaaa; break; } } } } ////////////////////////////////////////////////////////////////////// LRect LTag::GetRect(bool Client) { LRect r(Pos.x, Pos.y, Pos.x + Size.x - 1, Pos.y + Size.y - 1); if (!Client) { for (LTag *p = ToTag(Parent); p; p=ToTag(p->Parent)) { r.Offset(p->Pos.x, p->Pos.y); } } return r; } LCss::LengthType LTag::GetAlign(bool x) { for (LTag *t = this; t; t = ToTag(t->Parent)) { LCss::Len l; if (x) { if (IsTableCell(TagId) && Cell && Cell->XAlign) l.Type = Cell->XAlign; else l = t->TextAlign(); } else { l = t->VerticalAlign(); } if (l.Type != LenInherit) { return l.Type; } if (t->TagId == TAG_TABLE) break; } return LenInherit; } ////////////////////////////////////////////////////////////////////// void LFlowRegion::EndBlock() { if (cx > x1) FinishLine(); } void LFlowRegion::AlignText() { if (Align != LCss::AlignLeft) { int Used = 0; for (auto l : Line) Used += l->X(); int Total = x2 - x1 + 1; if (Used < Total) { int Offset = 0; if (Align == LCss::AlignCenter) Offset = (Total - Used) / 2; else if (Align == LCss::AlignRight) Offset = Total - Used; if (Offset) for (auto l : Line) { if (l->Tag->Display() != LCss::DispInlineBlock) l->Offset(Offset, 0); } } } } void LFlowRegion::FinishLine(bool Margin) { // AlignText(); if (y2 > y1) { my = Margin ? y2 - y1 : 0; y1 = y2; } else { int fy = Html->DefFont()->GetHeight(); my = Margin ? fy : 0; y1 += fy; } cx = x1; y2 = y1; Line.Empty(); } LRect *LFlowRegion::LineBounds() { auto It = Line.begin(); LFlowRect *Prev = *It; LFlowRect *r=Prev; if (r) { LRect b; b = *r; int Ox = r->Tag->AbsX(); int Oy = r->Tag->AbsY(); b.Offset(Ox, Oy); // int Ox = 0, Oy = 0; while ((r = *(++It) )) { LRect c = *r; Ox = r->Tag->AbsX(); Oy = r->Tag->AbsY(); c.Offset(Ox, Oy); /* Ox += r->Tag->Pos.x - Prev->Tag->Pos.x; Oy += r->Tag->Pos.y - Prev->Tag->Pos.y; c.Offset(Ox, Oy); */ b.Union(&c); Prev = r; } static LRect Rgn; Rgn = b; return &Rgn; } return 0; } void LFlowRegion::Insert(LFlowRect *Tr, LCss::LengthType align) { if (Tr) { Align = align; Line.Insert(Tr); } } ////////////////////////////////////////////////////////////////////// LTag::LTag(LHtml *h, LHtmlElement *p) : LHtmlElement(p), Attr(8) { Display(DispInline); Html = h; } LTag::~LTag() { if (Html->Cursor == this) { Html->Cursor = 0; } if (Html->Selection == this) { Html->Selection = 0; } DeleteObj(Ctrl); Attr.DeleteArrays(); DeleteObj(Cell); } void LTag::OnChange(PropType Prop) { } bool LTag::OnClick(const LMouse &m) { if (!Html->Environment) return false; const char *OnClick = NULL; if (Get("onclick", OnClick)) { Html->Environment->OnExecuteScript(Html, (char*)OnClick); } else { OnNotify(LNotification(m)); } return true; } void LTag::Set(const char *attr, const char *val) { char *existing = Attr.Find(attr); if (existing) DeleteArray(existing); if (val) Attr.Add(attr, NewStr(val)); } bool LTag::GetVariant(const char *Name, LVariant &Value, const char *Array) { LDomProperty Fld = LStringToDomProp(Name); switch (Fld) { case ObjStyle: // Type: LCssStyle { Value = &StyleDom; return true; } case ObjTextContent: // Type: String { Value = Text(); return true; } default: { char *a = Attr.Find(Name); if (a) { Value = a; return true; } break; } } return false; } bool LTag::SetVariant(const char *Name, LVariant &Value, const char *Array) { LDomProperty Fld = LStringToDomProp(Name); switch (Fld) { case ObjStyle: { const char *Defs = Value.Str(); if (!Defs) return false; return Parse(Defs, ParseRelaxed); } case ObjTextContent: { const char *s = Value.Str(); if (s) { LAutoWString w(CleanText(s, strlen(s), "utf-8", true, true)); Txt = w; return true; } break; } case ObjInnerHtml: // Type: String { // Clear out existing tags.. Children.DeleteObjects(); char *Doc = Value.CastString(); if (Doc) { // Create new tags... bool BackOut = false; while (Doc && *Doc) { LTag *t = new LTag(Html, this); if (t) { Doc = Html->ParseHtml(t, Doc, 1, false, &BackOut); if (!Doc) break; } else break; } } else return false; break; } default: { Set(Name, Value.CastString()); SetStyle(); break; } } Html->ViewWidth = -1; return true; } ssize_t LTag::GetTextStart() { if (PreText() && TextPos.Length() > 1) { LFlowRect *t = TextPos[1]; if (t) return t->Text - Text(); } else if (TextPos.Length() > 0) { LFlowRect *t = TextPos[0]; if (t && Text()) { LAssert(t->Text >= Text() && t->Text <= Text()+2); return t->Text - Text(); } } return 0; } static bool TextToStream(LStream &Out, char16 *Text) { if (!Text) return true; uint8_t Buf[256]; uint8_t *s = Buf; ssize_t Len = sizeof(Buf); while (*Text) { #define WriteExistingContent() \ if (s > Buf) \ Out.Write(Buf, (int)(s - Buf)); \ s = Buf; \ Len = sizeof(Buf); \ Buf[0] = 0; if (*Text == '<' || *Text == '>') { WriteExistingContent(); Out.Print("&%ct;", *Text == '<' ? 'l' : 'g'); } else if (*Text == 0xa0) { WriteExistingContent(); Out.Write((char*)" ", 6); } else { LgiUtf32To8(*Text, s, Len); if (Len < 16) { WriteExistingContent(); } } Text++; } if (s > Buf) Out.Write(Buf, s - Buf); return true; } bool LTag::CreateSource(LStringPipe &p, int Depth, bool LastWasBlock) { char *Tabs = new char[Depth+1]; memset(Tabs, '\t', Depth); Tabs[Depth] = 0; if (ValidStr(Tag)) { if (IsBlock()) { p.Print("%s%s<%s", TagId != TAG_HTML ? "\n" : "", Tabs, Tag.Get()); } else { p.Print("<%s", Tag.Get()); } if (Attr.Length()) { // const char *a; // for (char *v = Attr.First(&a); v; v = Attr.Next(&a)) for (auto v : Attr) { if (_stricmp(v.key, "style")) p.Print(" %s=\"%s\"", v.key, v.value); } } if (Props.Length()) { LCss *Css = this; LCss Tmp; #define DelProp(p) \ if (Css == this) { Tmp = *Css; Css = &Tmp; } \ Css->DeleteProp(p); // Clean out any default CSS properties where we can... LHtmlElemInfo *i = LHtmlStatic::Inst->GetTagInfo(Tag); if (i) { if (Props.Find(PropDisplay) && ( (!i->Block() && Display() == DispInline) || (i->Block() && Display() == DispBlock) )) { DelProp(PropDisplay); } switch (TagId) { default: break; case TAG_A: { LCss::ColorDef Blue(LCss::ColorRgb, Rgb32(0, 0, 255)); if (Props.Find(PropColor) && Color() == Blue) DelProp(PropColor); if (Props.Find(PropTextDecoration) && TextDecoration() == LCss::TextDecorUnderline) DelProp(PropTextDecoration) break; } case TAG_BODY: { LCss::Len FivePx(LCss::LenPx, 5.0f); if (Props.Find(PropPaddingLeft) && PaddingLeft() == FivePx) DelProp(PropPaddingLeft) if (Props.Find(PropPaddingTop) && PaddingTop() == FivePx) DelProp(PropPaddingTop) if (Props.Find(PropPaddingRight) && PaddingRight() == FivePx) DelProp(PropPaddingRight) break; } case TAG_B: { if (Props.Find(PropFontWeight) && FontWeight() == LCss::FontWeightBold) DelProp(PropFontWeight); break; } case TAG_U: { if (Props.Find(PropTextDecoration) && TextDecoration() == LCss::TextDecorUnderline) DelProp(PropTextDecoration); break; } case TAG_I: { if (Props.Find(PropFontStyle) && FontStyle() == LCss::FontStyleItalic) DelProp(PropFontStyle); break; } } } // Convert CSS props to a string and emit them... auto s = Css->ToString(); if (ValidStr(s)) { // Clean off any trailing whitespace... char *e = s ? s + strlen(s) : NULL; while (e && strchr(WhiteSpace, e[-1])) *--e = 0; // Print them to the tags attributes... p.Print(" style=\"%s\"", s.Get()); } } } if (Children.Length() || TagId == TAG_STYLE) // { if (Tag) { p.Write((char*)">", 1); TextToStream(p, Text()); } bool Last = IsBlock(); for (unsigned i=0; iCreateSource(p, Parent ? Depth+1 : 0, Last); Last = c->IsBlock(); } if (Tag) { if (IsBlock()) { if (Children.Length()) p.Print("\n%s", Tabs); } p.Print("", Tag.Get()); } } else if (Tag) { if (Text()) { p.Write((char*)">", 1); TextToStream(p, Text()); p.Print("", Tag.Get()); } else { p.Print("/>\n"); } } else { TextToStream(p, Text()); } DeleteArray(Tabs); return true; } void LTag::SetTag(const char *NewTag) { Tag.Reset(NewStr(NewTag)); if (NewTag) { Info = Html->GetTagInfo(Tag); if (Info) { TagId = Info->Id; Display(Info->Flags & LHtmlElemInfo::TI_BLOCK ? LCss::DispBlock : LCss::DispInline); } } else { Info = NULL; TagId = CONTENT; } SetStyle(); } LColour LTag::_Colour(bool f) { for (LTag *t = this; t; t = ToTag(t->Parent)) { ColorDef c = f ? t->Color() : t->BackgroundColor(); if (c.Type != ColorInherit) { return LColour(c.Rgb32, 32); } #if 1 if (!f && t->TagId == TAG_TABLE) break; #else /* This implements some basic level of colour inheritance for background colours. See test case 'cisra-cqs.html'. */ if (!f && t->TagId == TAG_TABLE) break; #endif } return LColour(); } void LTag::CopyClipboard(LMemQueue &p, bool &InSelection) { ssize_t Min = -1; ssize_t Max = -1; if (Cursor >= 0 && Selection >= 0) { Min = MIN(Cursor, Selection); Max = MAX(Cursor, Selection); } else if (InSelection) { Max = MAX(Cursor, Selection); } else { Min = MAX(Cursor, Selection); } ssize_t Off = -1; ssize_t Chars = 0; auto Start = GetTextStart(); auto t = Text() + Start; if (Min >= 0 && Max >= 0) { Off = Min + Start; Chars = Max - Min; } else if (Min >= 0) { Off = Min + Start; Chars = StrlenW(t) - Min; InSelection = true; } else if (Max >= 0) { Off = Start; Chars = Max; InSelection = false; } else if (InSelection) { Off = Start; Chars = StrlenW(t); } if (Off >= 0 && Chars > 0) { #ifdef _DEBUG for (int i=0; iCopyClipboard(p, InSelection); } } static char* _DumpColour(LCss::ColorDef c) { static char Buf[4][32]; #ifdef _MSC_VER static LONG Cur = 0; LONG Idx = InterlockedIncrement(&Cur); #else static int Cur = 0; int Idx = __sync_fetch_and_add(&Cur, 1); #endif char *b = Buf[Idx % 4]; if (c.Type == LCss::ColorInherit) strcpy_s(b, 32, "Inherit"); else sprintf_s(b, 32, "%2.2x,%2.2x,%2.2x(%2.2x)", R32(c.Rgb32),G32(c.Rgb32),B32(c.Rgb32),A32(c.Rgb32)); return b; } void LTag::_Dump(LStringPipe &Buf, int Depth) { LString Tabs; Tabs.Set(NULL, Depth); memset(Tabs.Get(), '\t', Depth); const char *Empty = ""; char *ElementName = TagId == CONTENT ? (char*)"Content" : (TagId == ROOT ? (char*)"Root" : Tag); Buf.Print( "%s%s(%p)%s%s%s (%i) Pos=%i,%i Size=%i,%i Color=%s/%s", Tabs.Get(), ElementName, this, HtmlId ? "#" : Empty, HtmlId ? HtmlId : Empty, #ifdef _DEBUG Debug ? " debug" : Empty, #else Empty, #endif WasClosed, Pos.x, Pos.y, Size.x, Size.y, _DumpColour(Color()), _DumpColour(BackgroundColor())); for (unsigned i=0; iText, Tr->Len)); if (Utf8) { size_t Len = strlen(Utf8); if (Len > 40) { Utf8[40] = 0; } } else if (Tr->Text) { Utf8.Reset(NewStr("")); } Buf.Print("Tr(%i,%i %ix%i '%s') ", Tr->x1, Tr->y1, Tr->X(), Tr->Y(), Utf8.Get()); } Buf.Print("\r\n"); for (unsigned i=0; i_Dump(Buf, Depth+1); } if (Children.Length()) { Buf.Print("%s/%s\r\n", Tabs.Get(), ElementName); } } LAutoWString LTag::DumpW() { LStringPipe Buf; // Buf.Print("Html pos=%s\n", Html?Html->GetPos().GetStr():0); _Dump(Buf, 0); LAutoString a(Buf.NewStr()); LAutoWString w(Utf8ToWide(a)); return w; } LAutoString LTag::DescribeElement() { LStringPipe s(256); s.Print("%s", Tag ? Tag.Get() : "CONTENT"); if (HtmlId) s.Print("#%s", HtmlId); for (unsigned i=0; iDefFont(); } return f; } LFont *LTag::GetFont() { if (!Font) { if (PropAddress(PropFontFamily) != 0 || FontSize().Type != LenInherit || FontStyle() != FontStyleInherit || FontVariant() != FontVariantInherit || FontWeight() != FontWeightInherit || TextDecoration() != TextDecorInherit) { LCss c; LCss::PropMap Map; Map.Add(PropFontFamily, new LCss::PropArray); Map.Add(PropFontSize, new LCss::PropArray); Map.Add(PropFontStyle, new LCss::PropArray); Map.Add(PropFontVariant, new LCss::PropArray); Map.Add(PropFontWeight, new LCss::PropArray); Map.Add(PropTextDecoration, new LCss::PropArray); for (LTag *t = this; t; t = ToTag(t->Parent)) { if (t->TagId == TAG_IFRAME) break; if (!c.InheritCollect(*t, Map)) break; } c.InheritResolve(Map); Map.DeleteObjects(); if ((Font = Html->FontCache->GetFont(&c))) return Font; } else { LTag *t = this; while (!t->Font && t->Parent) { t = ToTag(t->Parent); } if (t->Font) return t->Font; } Font = Html->DefFont(); } return Font; } LTag *LTag::PrevTag() { if (Parent) { ssize_t i = Parent->Children.IndexOf(this); if (i >= 0) { return ToTag(Parent->Children[i - 1]); } } return 0; } void LTag::Invalidate() { LRect p = GetRect(); for (LTag *t=ToTag(Parent); t; t=ToTag(t->Parent)) { p.Offset(t->Pos.x, t->Pos.y); } Html->Invalidate(&p); } LTag *LTag::IsAnchor(LString *Uri) { LTag *a = 0; for (LTag *t = this; t; t = ToTag(t->Parent)) { if (t->TagId == TAG_A) { a = t; break; } } if (a && Uri) { const char *u = 0; if (a->Get("href", u)) { LAutoWString w(CleanText(u, strlen(u), "utf-8")); if (w) { *Uri = w; } } } return a; } bool LTag::OnMouseClick(LMouse &m) { bool Processed = false; if (m.IsContextMenu()) { LString Uri; const char *ImgSrc = NULL; LTag *a = IsAnchor(&Uri); bool IsImg = TagId == TAG_IMG; if (IsImg) Get("src", ImgSrc); bool IsAnchor = a && ValidStr(Uri); if (IsAnchor || IsImg) { LSubMenu RClick; #define IDM_COPY_LINK 100 #define IDM_COPY_IMG 101 if (Html->GetMouse(m, true)) { int Id = 0; if (IsAnchor) RClick.AppendItem(LLoadString(L_COPY_LINK_LOCATION, "&Copy Link Location"), IDM_COPY_LINK, Uri != NULL); if (IsImg) RClick.AppendItem("Copy Image Location", IDM_COPY_IMG, ImgSrc != NULL); if (Html->GetEnv()) Html->GetEnv()->AppendItems(&RClick, Uri); switch (Id = RClick.Float(Html, m.x, m.y)) { case IDM_COPY_LINK: { LClipBoard Clip(Html); Clip.Text(Uri); break; } case IDM_COPY_IMG: { LClipBoard Clip(Html); Clip.Text(ImgSrc); break; } default: { if (Html->GetEnv()) Html->GetEnv()->OnMenu(Html, Id, a); break; } } } Processed = true; } } else if (m.Down() && m.Left()) { #ifdef _DEBUG if (m.Ctrl()) { auto Style = ToString(); LStringPipe p(256); p.Print("Tag: %s\n", Tag ? Tag.Get() : "CONTENT"); if (Class.Length()) { p.Print("Class(es): "); for (unsigned i=0; iParent; t=ToTag(t->Parent)) { LStringPipe Tmp; Tmp.Print(" %s", t->Tag ? t->Tag.Get() : "CONTENT"); if (t->HtmlId) { Tmp.Print("#%s", t->HtmlId); } for (unsigned i=0; iClass.Length(); i++) { Tmp.Print(".%s", t->Class[i].Get()); } LAutoString Txt(Tmp.NewStr()); p.Print("%s", Txt.Get()); LDisplayString Ds(LSysFont, Txt); int Px = 170 - Ds.X(); int Chars = Px / Sp.X(); for (int c=0; cPos.x, t->Pos.y, t->Size.x, t->Size.y); } LAutoString a(p.NewStr()); LgiMsg( Html, "%s", Html->GetClass(), MB_OK, a.Get()); } else #endif { LString Uri; if (Html && Html->Environment) { if (IsAnchor(&Uri)) { if (Uri) { if (!Html->d->LinkDoubleClick || m.Double()) { Html->Environment->OnNavigate(Html, Uri); Processed = true; } } const char *OnClk = NULL; if (!Processed && Get("onclick", OnClk)) { Html->Environment->OnExecuteScript(Html, (char*)OnClk); } } else { Processed = OnClick(m); } } } } return Processed; } LTag *LTag::GetBlockParent(ssize_t *Idx) { if (IsBlock()) { if (Idx) *Idx = 0; return this; } for (LTag *t = this; t; t = ToTag(t->Parent)) { if (ToTag(t->Parent)->IsBlock()) { if (Idx) { *Idx = t->Parent->Children.IndexOf(t); } return ToTag(t->Parent); } } return 0; } LTag *LTag::GetAnchor(char *Name) { if (!Name) return 0; const char *n; if (IsAnchor(0) && Get("name", n) && n && !_stricmp(Name, n)) { return this; } for (unsigned i=0; iGetAnchor(Name); if (Result) return Result; } return 0; } LTag *LTag::GetTagByName(const char *Name) { if (Name) { if (Tag && _stricmp(Tag, Name) == 0) { return this; } for (unsigned i=0; iGetTagByName(Name); if (Result) return Result; } } return 0; } static int IsNearRect(LRect *r, int x, int y) { if (r->Overlap(x, y)) { return 0; } else if (x >= r->x1 && x <= r->x2) { if (y < r->y1) return r->y1 - y; else return y - r->y2; } else if (y >= r->y1 && y <= r->y2) { if (x < r->x1) return r->x1 - x; else return x - r->x2; } int64 dx = 0; int64 dy = 0; if (x < r->x1) { if (y < r->y1) { // top left dx = r->x1 - x; dy = r->y1 - y; } else { // bottom left dx = r->x1 - x; dy = y - r->y2; } } else { if (y < r->y1) { // top right dx = x - r->x2; dy = r->y1 - y; } else { // bottom right dx = x - r->x2; dy = y - r->y2; } } return (int) sqrt( (double) ( (dx * dx) + (dy * dy) ) ); } ssize_t LTag::NearestChar(LFlowRect *Tr, int x, int y) { LFont *f = GetFont(); if (f) { LDisplayString ds(f, Tr->Text, Tr->Len); ssize_t c = ds.CharAt(x - Tr->x1); if (Tr->Text == PreText()) { return 0; } else { char16 *t = Tr->Text + c; size_t Len = StrlenW(Text()); if (t >= Text() && t <= Text() + Len) { return (t - Text()) - GetTextStart(); } else { LgiTrace("%s:%i - Error getting char at position.\n", _FL); } } } return -1; } void LTag::GetTagByPos(LTagHit &TagHit, int x, int y, int Depth, bool InBody, bool DebugLog) { /* InBody: Originally I had this test in the code but it seems that some test cases have actual content after the body. And testing for "InBody" breaks functionality for those cases (see "spam4.html" and the unsubscribe link at the end of the doc). */ if (TagId == TAG_IMG) { LRect img(0, 0, Size.x - 1, Size.y - 1); if (/*InBody &&*/ img.Overlap(x, y)) { TagHit.Direct = this; TagHit.Block = 0; } } else if (/*InBody &&*/ TextPos.Length()) { for (unsigned i=0; i= Tr->y1 && y <= Tr->y2; int Near = IsNearRect(Tr, x, y); if (Near >= 0 && Near < 100) { if ( !TagHit.NearestText || ( SameRow && !TagHit.NearSameRow ) || ( SameRow == TagHit.NearSameRow && Near < TagHit.Near ) ) { TagHit.NearestText = this; TagHit.NearSameRow = SameRow; TagHit.Block = Tr; TagHit.Near = Near; TagHit.Index = NearestChar(Tr, x, y); if (DebugLog) { LgiTrace("%i:GetTagByPos HitText %s #%s, idx=%i, near=%i, txt='%S'\n", Depth, Tag.Get(), HtmlId, TagHit.Index, TagHit.Near, Tr->Text); } if (!TagHit.Near) { TagHit.Direct = this; TagHit.LocalCoords.x = x; TagHit.LocalCoords.y = y; } } } } } else if ( TagId != TAG_TR && Tag && x >= 0 && y >= 0 && x < Size.x && y < Size.y // && InBody ) { // Direct hit TagHit.Direct = this; TagHit.LocalCoords.x = x; TagHit.LocalCoords.y = y; if (DebugLog) { LgiTrace("%i:GetTagByPos DirectHit %s #%s, idx=%i, near=%i\n", Depth, Tag.Get(), HtmlId, TagHit.Index, TagHit.Near); } } if (TagId == TAG_BODY) InBody = true; for (unsigned i=0; iPos.x >= 0 && t->Pos.y >= 0) { t->GetTagByPos(TagHit, x - t->Pos.x, y - t->Pos.y, Depth + 1, InBody, DebugLog); } } } int LTag::OnNotify(LNotification n) { if (!Ctrl || !Html->InThread()) return 0; switch (CtrlType) { case CtrlSubmit: { LTag *Form = this; while (Form && Form->TagId != TAG_FORM) Form = ToTag(Form->Parent); if (Form) Html->OnSubmitForm(Form); break; } default: { CtrlValue = Ctrl->Name(); break; } } return 0; } void LTag::CollectFormValues(LHashTbl,char*> &f) { if (CtrlType != CtrlNone) { const char *Name; if (Get("name", Name)) { char *Existing = f.Find(Name); if (Existing) DeleteArray(Existing); char *Val = CtrlValue.Str(); if (Val) { LStringPipe p(256); for (char *v = Val; *v; v++) { if (*v == ' ') p.Write("+", 1); else if (IsAlpha(*v) || IsDigit(*v) || *v == '_' || *v == '.') p.Write(v, 1); else p.Print("%%%02.2X", *v); } f.Add(Name, p.NewStr()); } else { f.Add(Name, NewStr("")); } } } for (unsigned i=0; iCollectFormValues(f); } } LTag *LTag::FindCtrlId(int Id) { if (Ctrl && Ctrl->GetId() == Id) return this; for (unsigned i=0; iFindCtrlId(Id); if (f) return f; } return NULL; } void LTag::Find(int TagType, LArray &Out) { if (TagId == TagType) { Out.Add(this); } for (unsigned i=0; iFind(TagType, Out); } } void LTag::SetImage(const char *Uri, LSurface *Img) { if (Img) { if (TagId != TAG_IMG) { ImageDef *Def = (ImageDef*)LCss::Props.Find(PropBackgroundImage); if (Def) { Def->Type = ImageOwn; DeleteObj(Def->Img); Def->Img = Img; } } else { if (Img->GetColourSpace() == CsIndex8) { if (Image.Reset(new LMemDC(Img->X(), Img->Y(), System32BitColourSpace))) { Image->Colour(0, 32); Image->Rectangle(); Image->Blt(0, 0, Img); } else LgiTrace("%s:%i - SetImage can't promote 8bit image to 32bit.\n", _FL); } else Image.Reset(Img); LRect r = XSubRect(); if (r.Valid()) { LAutoPtr t(new LMemDC(r.X(), r.Y(), Image->GetColourSpace())); if (t) { t->Blt(0, 0, Image, &r); Image = t; } } } for (unsigned i=0; iCell) { t->Cell->MinContent = 0; t->Cell->MaxContent = 0; } } } else { Html->d->Loading.Add(Uri, this); } } void LTag::LoadImage(const char *Uri) { #if DOCUMENT_LOAD_IMAGES if (!Html->Environment) return; LUri u(Uri); bool LdImg = Html->GetLoadImages(); bool IsRemote = u.sProtocol && ( !_stricmp(u.sProtocol, "http") || !_stricmp(u.sProtocol, "https") || !_stricmp(u.sProtocol, "ftp") ); if (IsRemote && !LdImg) { Html->NeedsCapability("RemoteContent"); return; } else if (u.IsProtocol("data")) { if (!u.sPath) return; const char *s = u.sPath; if (*s++ != '/') return; LAutoString Type(LTokStr(s)); if (*s++ != ',') return; auto p = LString(Type).SplitDelimit(",;:"); if (p.Length() != 2 || !p.Last().Equals("base64")) return; LString Name = LString("name.") + p[0]; auto Filter = LFilterFactory::New(Name, FILTER_CAP_READ, NULL); if (!Filter) return; auto slen = strlen(s); auto blen = BufferLen_64ToBin(slen); LMemStream bin; bin.SetSize(blen); ConvertBase64ToBinary((uint8_t*)bin.GetBasePtr(), blen, s, slen); bin.SetPos(0); if (!Image.Reset(new LMemDC)) return; auto result = Filter->ReadImage(Image, &bin); if (result != LFilter::IoSuccess) Image.Reset(); return; } LDocumentEnv::LoadJob *j = Html->Environment->NewJob(); if (j) { LAssert(Html != NULL); j->Uri.Reset(NewStr(Uri)); j->Env = Html->Environment; j->UserData = this; j->UserUid = Html->GetDocumentUid(); // LgiTrace("%s:%i - new job %p, %p\n", _FL, j, j->UserData); LDocumentEnv::LoadType Result = Html->Environment->GetContent(j); if (Result == LDocumentEnv::LoadImmediate) { SetImage(Uri, j->pDC.Release()); } else if (Result == LDocumentEnv::LoadDeferred) { Html->d->DeferredLoads++; } DeleteObj(j); } #endif } void LTag::LoadImages() { const char *Uri = 0; if (Html->Environment && TagId == TAG_IMG && !Image) { if (Get("src", Uri)) LoadImage(Uri); } for (unsigned i=0; iLoadImages(); } } void LTag::ImageLoaded(char *uri, LSurface *Img, int &Used) { const char *Uri = 0; if (!Image && Get("src", Uri)) { if (strcmp(Uri, uri) == 0) { if (Used == 0) { SetImage(Uri, Img); } else { SetImage(Uri, new LMemDC(Img)); } Used++; } } for (unsigned i=0; iImageLoaded(uri, Img, Used); } } struct LTagElementCallback : public LCss::ElementCallback { const char *Val; const char *GetElement(LTag *obj) { return obj->Tag; } const char *GetAttr(LTag *obj, const char *Attr) { if (obj->Get(Attr, Val)) return Val; return NULL; } bool GetClasses(LString::Array &Classes, LTag *obj) { Classes = obj->Class; return Classes.Length() > 0; } LTag *GetParent(LTag *obj) { return ToTag(obj->Parent); } LArray GetChildren(LTag *obj) { LArray c; for (unsigned i=0; iChildren.Length(); i++) c.Add(ToTag(obj->Children[i])); return c; } }; void LTag::RestyleAll() { Restyle(); for (unsigned i=0; iRestyleAll(); } } // After CSS has changed this function scans through the CSS and applies any rules // that match the current tag. void LTag::Restyle() { // Use the matching built into the LCss Store. LCss::SelArray Styles; LTagElementCallback Context; if (Html->CssStore.Match(Styles, &Context, this)) { for (unsigned i=0; iStyle); } } // Do the element specific styles const char *s; if (Get("style", s)) SetCssStyle(s); #if DEBUG_RESTYLE && defined(_DEBUG) if (Debug) { auto Style = ToString(); LgiTrace(">>>> %s <<<<:\n%s\n\n", Tag.Get(), Style.Get()); } #endif } void LTag::SetStyle() { const static float FntMul[] = { 0.6f, // size=1 0.89f, // size=2 1.0f, // size=3 1.2f, // size=4 1.5f, // size=5 2.0f, // size=6 3.0f // size=7 }; const char *s = 0; #ifdef _DEBUG if (Get("debug", s)) { if ((Debug = atoi(s))) { LgiTrace("Debug Tag: %p '%s'\n", this, Tag ? Tag.Get() : "CONTENT"); } } #endif if (Get("Color", s)) { ColorDef Def; if (LHtmlParser::ParseColour(s, Def)) { Color(Def); } } if (Get("Background", s) || Get("bgcolor", s)) { ColorDef Def; if (LHtmlParser::ParseColour(s, Def)) { BackgroundColor(Def); } else { LCss::ImageDef Img; Img.Type = ImageUri; Img.Uri = s; BackgroundImage(Img); BackgroundRepeat(RepeatBoth); } } switch (TagId) { default: { if (!Stricmp(Tag.Get(), "o:p")) Display(LCss::DispNone); break; } case TAG_LINK: { const char *Type, *Href; if (Html->Environment && Get("type", Type) && Get("href", Href) && !Stricmp(Type, "text/css") && !Html->CssHref.Find(Href)) { LDocumentEnv::LoadJob *j = Html->Environment->NewJob(); if (j) { LAssert(Html != NULL); LTag *t = this; j->Uri.Reset(NewStr(Href)); j->Env = Html->Environment; j->UserData = t; j->UserUid = Html->GetDocumentUid(); LDocumentEnv::LoadType Result = Html->Environment->GetContent(j); if (Result == LDocumentEnv::LoadImmediate) { LStreamI *s = j->GetStream(); if (s) { int Len = (int)s->GetSize(); if (Len > 0) { LAutoString a(new char[Len+1]); ssize_t r = s->Read(a, Len); a[r] = 0; Html->CssHref.Add(Href, true); Html->OnAddStyle("text/css", a); } } } else if (Result == LDocumentEnv::LoadDeferred) { Html->d->DeferredLoads++; } DeleteObj(j); } } break; } case TAG_BLOCKQUOTE: { MarginTop(Len("8px")); MarginBottom(Len("8px")); MarginLeft(Len("16px")); if (Get("Type", s)) { if (_stricmp(s, "cite") == 0) { BorderLeft(BorderDef(this, "1px solid blue")); PaddingLeft(Len("0.5em")); /* ColorDef Def; Def.Type = ColorRgb; Def.Rgb32 = Rgb32(0x80, 0x80, 0x80); Color(Def); */ } } break; } case TAG_P: { MarginBottom(Len("1em")); break; } case TAG_A: { const char *Href; if (Get("href", Href)) { ColorDef c; c.Type = ColorRgb; c.Rgb32 = Rgb32(0, 0, 255); Color(c); TextDecoration(TextDecorUnderline); } break; } case TAG_TABLE: { Len l; if (!Cell) Cell = new TblCell; if (Get("border", s)) { BorderDef b; if (b.Parse(this, s)) { BorderLeft(b); BorderRight(b); BorderTop(b); BorderBottom(b); } } if (Get("cellspacing", s) && l.Parse(s, PropBorderSpacing, ParseRelaxed)) { BorderSpacing(l); } else { // BorderSpacing(LCss::Len(LCss::LenPx, 2.0f)); } if (Get("cellpadding", s) && l.Parse(s, Prop_CellPadding, ParseRelaxed)) { _CellPadding(l); } if (Get("align", s)) { Len l; if (l.Parse(s)) Cell->XAlign = l.Type; } break; } case TAG_TD: case TAG_TH: { if (!Cell) Cell = new TblCell; LTag *Table = GetTable(); if (Table) { Len l = Table->_CellPadding(); if (!l.IsValid()) { l.Type = LCss::LenPx; l.Value = DefaultCellPadding; } PaddingLeft(l); PaddingRight(l); PaddingTop(l); PaddingBottom(l); } if (TagId == TAG_TH) FontWeight(LCss::FontWeightBold); break; } case TAG_BODY: { MarginLeft(Len(Get("leftmargin", s) ? s : DefaultBodyMargin)); MarginTop(Len(Get("topmargin", s) ? s : DefaultBodyMargin)); MarginRight(Len(Get("rightmargin", s) ? s : DefaultBodyMargin)); if (Get("text", s)) { ColorDef c; if (c.Parse(s)) { Color(c); } } break; } case TAG_OL: case TAG_UL: { MarginLeft(Len("16px")); break; } case TAG_STRONG: case TAG_B: { FontWeight(FontWeightBold); break; } case TAG_I: { FontStyle(FontStyleItalic); break; } case TAG_U: { TextDecoration(TextDecorUnderline); break; } case TAG_SUP: { VerticalAlign(VerticalSuper); FontSize(SizeSmaller); break; } case TAG_SUB: { VerticalAlign(VerticalSub); FontSize(SizeSmaller); break; } case TAG_TITLE: { Display(LCss::DispNone); break; } } if (Get("width", s)) { Len l; if (l.Parse(s, PropWidth, ParseRelaxed)) { Width(l); } } if (Get("height", s)) { Len l; if (l.Parse(s, PropHeight, ParseRelaxed)) Height(l); } if (Get("align", s)) { if (_stricmp(s, "left") == 0) TextAlign(Len(AlignLeft)); else if (_stricmp(s, "right") == 0) TextAlign(Len(AlignRight)); else if (_stricmp(s, "center") == 0) TextAlign(Len(AlignCenter)); } if (Get("valign", s)) { if (_stricmp(s, "top") == 0) VerticalAlign(Len(VerticalTop)); else if (_stricmp(s, "middle") == 0) VerticalAlign(Len(VerticalMiddle)); else if (_stricmp(s, "bottom") == 0) VerticalAlign(Len(VerticalBottom)); } Get("id", HtmlId); if (Get("class", s)) { Class = LString(s).SplitDelimit(" \t"); } Restyle(); switch (TagId) { default: break; case TAG_BIG: { LCss::Len l; l.Type = SizeLarger; FontSize(l); break; } /* case TAG_META: { LAutoString Cs; const char *s; if (Get("http-equiv", s) && _stricmp(s, "Content-Type") == 0) { const char *ContentType; if (Get("content", ContentType)) { char *CharSet = stristr(ContentType, "charset="); if (CharSet) { char16 *cs = NULL; Html->ParsePropValue(CharSet + 8, cs); Cs.Reset(WideToUtf8(cs)); DeleteArray(cs); } } } if (Get("name", s) && _stricmp(s, "charset") == 0 && Get("content", s)) { Cs.Reset(NewStr(s)); } else if (Get("charset", s)) { Cs.Reset(NewStr(s)); } if (Cs) { if (Cs && _stricmp(Cs, "utf-16") != 0 && _stricmp(Cs, "utf-32") != 0 && LGetCsInfo(Cs)) { // Html->SetCharset(Cs); } } break; } */ case TAG_BODY: { LCss::ColorDef Bk = BackgroundColor(); if (Bk.Type != ColorInherit) { // Copy the background up to the LHtml wrapper Html->GetCss(true)->BackgroundColor(Bk); } /* LFont *f = GetFont(); if (FontSize().Type == LenInherit) { FontSize(Len(LenPt, (float)f->PointSize())); } */ break; } case TAG_HEAD: { Display(DispNone); break; } case TAG_PRE: { LFontType Type; if (Type.GetSystemFont("Fixed")) { LAssert(ValidStr(Type.GetFace())); FontFamily(StringsDef(Type.GetFace())); } break; } case TAG_TR: break; case TAG_TD: case TAG_TH: { LAssert(Cell != NULL); const char *s; if (Get("colspan", s)) Cell->Span.x = atoi(s); else Cell->Span.x = 1; if (Get("rowspan", s)) Cell->Span.y = atoi(s); else Cell->Span.y = 1; Cell->Span.x = MAX(Cell->Span.x, 1); Cell->Span.y = MAX(Cell->Span.y, 1); if (Display() == DispInline || Display() == DispInlineBlock) { Display(DispBlock); // Inline-block TD??? Nope. } break; } case TAG_IMG: { const char *Uri; if (Html->Environment && Get("src", Uri)) { // printf("Uri: %s\n", Uri); LoadImage(Uri); } break; } case TAG_H1: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[5])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_H2: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[4])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_H3: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[3])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_H4: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[2])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_H5: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[1])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_H6: { char s[32]; sprintf_s(s, sizeof(s), "%ipt", (int)((float)Html->DefFont()->PointSize() * FntMul[0])); FontSize(Len(s)); FontWeight(FontWeightBold); break; } case TAG_FONT: { const char *s = 0; if (Get("Face", s)) { LAutoWString cw(CleanText(s, strlen(s), "utf-8", true)); LAutoString c8(WideToUtf8(cw)); auto Faces = LString(c8).SplitDelimit(","); auto Face = Faces[0].Strip(); if (ValidStr(Face)) FontFamily(c8.Get()); else LgiTrace("%s:%i - No face for font tag.\n", _FL); } if (Get("Size", s)) { bool Digit = false, NonW = false; for (auto *c = s; *c; c++) { if (IsDigit(*c) || *c == '-') Digit = true; else if (!IsWhiteSpace(*c)) NonW = true; } if (Digit && !NonW) { auto Sz = atoi(s); switch (Sz) { case 1: FontSize(Len(LCss::LenEm, 0.63f)); break; case 2: FontSize(Len(LCss::LenEm, 0.82f)); break; case 3: FontSize(Len(LCss::LenEm, 1.0f)); break; case 4: FontSize(Len(LCss::LenEm, 1.13f)); break; case 5: FontSize(Len(LCss::LenEm, 1.5f)); break; case 6: FontSize(Len(LCss::LenEm, 2.0f)); break; case 7: FontSize(Len(LCss::LenEm, 3.0f)); break; } } else { FontSize(Len(s)); } } break; } case TAG_SELECT: { if (!Html->InThread()) break; LAssert(!Ctrl); Ctrl = new LCombo(Html->d->NextCtrlId++, 0, 0, 100, LSysFont->GetHeight() + 8, NULL); CtrlType = CtrlSelect; break; } case TAG_INPUT: { if (!Html->InThread()) break; LAssert(!Ctrl); const char *Type, *Value = NULL; Get("value", Value); LAutoWString CleanValue(Value ? CleanText(Value, strlen(Value), "utf-8", true, true) : NULL); if (CleanValue) { CtrlValue = CleanValue; } if (Get("type", Type)) { if (!_stricmp(Type, "password")) CtrlType = CtrlPassword; else if (!_stricmp(Type, "email")) CtrlType = CtrlEmail; else if (!_stricmp(Type, "text")) CtrlType = CtrlText; else if (!_stricmp(Type, "button")) CtrlType = CtrlButton; else if (!_stricmp(Type, "submit")) CtrlType = CtrlSubmit; else if (!_stricmp(Type, "hidden")) CtrlType = CtrlHidden; DeleteObj(Ctrl); if (CtrlType == CtrlEmail || CtrlType == CtrlText || CtrlType == CtrlPassword) { LEdit *Ed; LAutoString UtfCleanValue(WideToUtf8(CleanValue)); Ctrl = Ed = new LEdit(Html->d->NextCtrlId++, 0, 0, 60, LSysFont->GetHeight() + 8, UtfCleanValue); if (Ctrl) { Ed->Sunken(false); Ed->Password(CtrlType == CtrlPassword); } } else if (CtrlType == CtrlButton || CtrlType == CtrlSubmit) { LAutoString UtfCleanValue(WideToUtf8(CleanValue)); if (UtfCleanValue) { Ctrl = new InputButton(this, Html->d->NextCtrlId++, UtfCleanValue); } } } break; } } if (IsBlock()) { LCss::ImageDef bk = BackgroundImage(); if (bk.Type == LCss::ImageUri && ValidStr(bk.Uri) && !bk.Uri.Equals("transparent")) { LoadImage(bk.Uri); } } if (Ctrl) { LFont *f = GetFont(); if (f) Ctrl->SetFont(f, false); } } void LTag::OnStyleChange(const char *name) { if (!Stricmp(name, "display") && Html) { Html->Layout(true); Html->Invalidate(); } } void LTag::SetCssStyle(const char *Style) { if (Style) { // Strip out comments char *Comment = NULL; while ((Comment = strstr((char*)Style, "/*"))) { char *End = strstr(Comment+2, "*/"); if (!End) break; for (char *c = Comment; cDocCharSet && Html->Charset) { DocAndCsTheSame = _stricmp(Html->DocCharSet, Html->Charset) == 0; } if (SourceCs) { t = (char16*) LNewConvertCp(LGI_WideCharset, s, SourceCs, Len); } else if (Html->DocCharSet && Html->Charset && !DocAndCsTheSame && !Html->OverideDocCharset) { char *DocText = (char*)LNewConvertCp(Html->DocCharSet, s, Html->Charset, Len); t = (char16*) LNewConvertCp(LGI_WideCharset, DocText, Html->DocCharSet, -1); DeleteArray(DocText); } else if (Html->DocCharSet) { t = (char16*) LNewConvertCp(LGI_WideCharset, s, Html->DocCharSet, Len); } else { t = (char16*) LNewConvertCp(LGI_WideCharset, s, Html->Charset.Get() ? Html->Charset.Get() : DefaultCs, Len); } if (t && ConversionAllowed) { char16 *o = t; for (char16 *i=t; *i; ) { switch (*i) { case '&': { i++; if (*i == '#') { // Unicode Number char n[32] = "", *p = n; i++; if (*i == 'x' || *i == 'X') { // Hex number i++; while ( *i && ( IsDigit(*i) || (*i >= 'A' && *i <= 'F') || (*i >= 'a' && *i <= 'f') ) && (p - n) < 31) { *p++ = (char)*i++; } } else { // Decimal number while (*i && IsDigit(*i) && (p - n) < 31) { *p++ = (char)*i++; } } *p++ = 0; char16 Ch = atoi(n); if (Ch) { *o++ = Ch; } if (*i && *i != ';') i--; } else { // Named Char char16 *e = i; while (*e && IsAlpha(*e) && *e != ';') { e++; } LAutoWString Var(NewStrW(i, e-i)); char16 Char = LHtmlStatic::Inst->VarMap.Find(Var); if (Char) { *o++ = Char; i = e; } else { i--; *o++ = *i; } } break; } case '\r': { break; } case ' ': case '\t': case '\n': { if (KeepWhiteSpace) { *o++ = *i; } else { *o++ = ' '; // Skip furthur whitespace while (i[1] && IsWhiteSpace(i[1])) { i++; } } break; } default: { // Normal char *o++ = *i; break; } } if (*i) i++; else break; } *o++ = 0; } if (t && !*t) { DeleteArray(t); } return t; } char *LTag::ParseText(char *Doc) { ColorDef c; c.Type = ColorRgb; c.Rgb32 = LColour(L_WORKSPACE).c32(); BackgroundColor(c); TagId = TAG_BODY; Tag.Reset(NewStr("body")); Info = Html->GetTagInfo(Tag); char *OriginalCp = NewStr(Html->Charset); LStringPipe Utf16; char *s = Doc; while (s) { if (*s == '\r') { s++; } else if (*s == '<') { // Process tag char *e = s; e++; while (*e && *e != '>') { if (*e == '\"' || *e == '\'') { char *q = strchr(e + 1, *e); if (q) e = q + 1; else e++; } else e++; } if (*e == '>') e++; // Output tag Html->SetCharset("iso-8859-1"); char16 *t = CleanText(s, e - s, NULL, false); if (t) { Utf16.Push(t); DeleteArray(t); } s = e; } else if (!*s || *s == '\n') { // Output previous line char16 *Line = Utf16.NewStrW(); if (Line) { LTag *t = new LTag(Html, this); if (t) { t->Color(LColour(L_TEXT)); t->Text(Line); } } if (*s == '\n') { s++; LTag *t = new LTag(Html, this); if (t) { t->TagId = TAG_BR; t->Tag.Reset(NewStr("br")); t->Info = Html->GetTagInfo(t->Tag); } } else break; } else { // Seek end of text char *e = s; while (*e && *e != '\r' && *e != '\n' && *e != '<') e++; // Output text Html->SetCharset(OriginalCp); LAutoWString t(CleanText(s, e - s, NULL, false)); if (t) { Utf16.Push(t); } s = e; } } Html->SetCharset(OriginalCp); DeleteArray(OriginalCp); return 0; } bool LTag::ConvertToText(TextConvertState &State) { const static char *Rule = "------------------------------------------------------"; int DepthInc = 0; switch (TagId) { default: break; case TAG_P: if (State.GetPrev()) State.NewLine(); break; case TAG_UL: case TAG_OL: DepthInc = 2; break; } if (TagId != TAG_SCRIPT && TagId != TAG_STYLE && ValidStrW(Txt)) { for (int i=0; iConvertToUnicode(Txt); else u.Reset(WideToUtf8(Txt)); if (u) { size_t u_len = strlen(u); State.Write(u, u_len); } } State.Depth += DepthInc; for (unsigned i=0; iConvertToText(State); } State.Depth -= DepthInc; if (IsBlock()) { if (State.CharsOnLine) State.NewLine(); } else { switch (TagId) { case TAG_A: { // Emit the link to the anchor if it's different from the text of the span... const char *Href; if (Get("href", Href) && ValidStrW(Txt)) { if (_strnicmp(Href, "mailto:", 7) == 0) Href += 7; size_t HrefLen = strlen(Href); LAutoWString h(CleanText(Href, HrefLen, "utf-8")); if (h && StrcmpW(h, Txt) != 0) { // Href different from the text of the link State.Write(" (", 2); State.Write(Href, HrefLen); State.Write(")", 1); } } break; } case TAG_HR: { State.Write(Rule, strlen(Rule)); State.NewLine(); break; } case TAG_BR: { State.NewLine(); break; } default: break; } } return true; } char *LTag::NextTag(char *s) { while (s && *s) { char *n = strchr(s, '<'); if (n) { if (!n[1]) return NULL; if (IsAlpha(n[1]) || strchr("!/", n[1]) || n[1] == '?') { return n; } s = n + 1; } else break; } return 0; } void LHtml::CloseTag(LTag *t) { if (!t) return; OpenTags.Delete(t); } bool LTag::OnUnhandledColor(LCss::ColorDef *def, const char *&s) { const char *e = s; while (*e && (IsText(*e) || *e == '_')) e++; char tmp[256]; ssize_t len = e - s; memcpy(tmp, s, len); tmp[len] = 0; int m = LHtmlStatic::Inst->ColourMap.Find(tmp); s = e; if (m >= 0) { def->Type = LCss::ColorRgb; def->Rgb32 = Rgb24To32(m); return true; } return false; } void LTag::ZeroTableElements() { if (TagId == TAG_TABLE || TagId == TAG_TR || IsTableCell(TagId)) { Size.x = 0; Size.y = 0; if (Cell) { Cell->MinContent = 0; Cell->MaxContent = 0; } for (unsigned i=0; iZeroTableElements(); } } } void LTag::ResetCaches() { /* If during the parse process a callback causes a layout to happen then it's possible to have partial information in the LHtmlTableLayout structure, like missing TD cells. Because they haven't been parsed yet. This is called at the end of the parsing to reset all the cached info in LHtmlTableLayout. That way when the first real layout happens all the data is there. */ if (Cell) DeleteObj(Cell->Cells); for (size_t i=0; iResetCaches(); } LPoint LTag::GetTableSize() { LPoint s(0, 0); if (Cell && Cell->Cells) { Cell->Cells->GetSize(s.x, s.y); } return s; } LTag *LTag::GetTableCell(int x, int y) { LTag *t = this; while ( t && !t->Cell && !t->Cell->Cells && t->Parent) { t = ToTag(t->Parent); } if (t && t->Cell && t->Cell->Cells) { return t->Cell->Cells->Get(x, y); } return 0; } // This function gets the largest and smallest piece of content // in this cell and all it's children. bool LTag::GetWidthMetrics(LTag *Table, uint16 &Min, uint16 &Max) { bool Status = true; int MarginPx = 0; int LineWidth = 0; if (Display() == LCss::DispNone) return true; // Break the text into words and measure... if (Text()) { int MinContent = 0; int MaxContent = 0; LFont *f = GetFont(); if (f) { for (char16 *s = Text(); s && *s; ) { // Skip whitespace... while (*s && StrchrW(WhiteW, *s)) s++; // Find end of non-whitespace char16 *e = s; while (*e && !StrchrW(WhiteW, *e)) e++; // Find size of the word ssize_t Len = e - s; if (Len > 0) { LDisplayString ds(f, s, Len); MinContent = MAX(MinContent, ds.X()); } // Move to the next word. s = (*e) ? e + 1 : 0; } LDisplayString ds(f, Text()); LineWidth = MaxContent = ds.X(); } #if 0//def _DEBUG if (Debug) { LgiTrace("GetWidthMetrics Font=%p Sz=%i,%i\n", f, MinContent, MaxContent); } #endif Min = MAX(Min, MinContent); Max = MAX(Max, MaxContent); } // Specific tag handling? switch (TagId) { default: { if (IsBlock()) { MarginPx = (int)(BorderLeft().ToPx() + BorderRight().ToPx() + PaddingLeft().ToPx() + PaddingRight().ToPx()); } break; } case TAG_IMG: { Len w = Width(); if (w.IsValid()) { int x = (int) w.Value; Min = MAX(Min, x); Max = MAX(Max, x); } else if (Image) { Min = Max = Image->X(); } else { Size.x = Size.y = DefaultImgSize; Min = MAX(Min, Size.x); Max = MAX(Max, Size.x); } break; } case TAG_TD: case TAG_TH: { Len w = Width(); if (w.IsValid()) { if (w.IsDynamic()) { Min = MAX(Min, (int)w.Value); Max = MAX(Max, (int)w.Value); } else { Max = w.ToPx(0, GetFont()); } } else { LCss::BorderDef BLeft = BorderLeft(); LCss::BorderDef BRight = BorderRight(); LCss::Len PLeft = PaddingLeft(); LCss::Len PRight = PaddingRight(); MarginPx = (int)(PLeft.ToPx() + PRight.ToPx() + BLeft.ToPx()); if (Table->BorderCollapse() == LCss::CollapseCollapse) MarginPx += BRight.ToPx(); } break; } case TAG_TABLE: { Len w = Width(); if (w.IsValid() && !w.IsDynamic()) { // Fixed width table... int CellSpacing = BorderSpacing().ToPx(Min, GetFont()); int Px = ((int)w.Value) + (CellSpacing << 1); Min = MAX(Min, Px); Max = MAX(Max, Px); return true; } else { LPoint s; LHtmlTableLayout c(this); c.GetSize(s.x, s.y); // Auto layout table LArray ColMin, ColMax; for (int y=0; yGetWidthMetrics(Table, a, b)) { ColMin[x] = MAX(ColMin[x], a); ColMax[x] = MAX(ColMax[x], b); } x += t->Cell->Span.x; } else break; } } int MinSum = 0, MaxSum = 0; for (int i=0; iGetWidthMetrics(Table, Min, TagMax); LineWidth += TagMax; if (c->TagId == TAG_BR || c->TagId == TAG_LI) { Max = MAX(Max, LineWidth); LineWidth = 0; } } Max = MAX(Max, LineWidth); Min += MarginPx; Max += MarginPx; return Status; } static void DistributeSize(LArray &a, int Start, int Span, int Size, int Border) { // Calculate the current size of the cells int Cur = -Border; for (int i=0; i T Sum(LArray &a) { T s = 0; for (unsigned i=0; iCells) { #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Debug) { //int asd=0; } #endif Cell->Cells = new LHtmlTableLayout(this); #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Cell->Cells && Debug) Cell->Cells->Dump(); #endif } if (Cell->Cells) Cell->Cells->LayoutTable(f, Depth); } void LHtmlTableLayout::AllocatePx(int StartCol, int Cols, int MinPx, bool HasToFillAllAvailable) { // Get the existing total size and size of the column set int CurrentTotalX = GetTotalX(); int CurrentSpanX = GetTotalX(StartCol, Cols); int MaxAdditionalPx = AvailableX - CurrentTotalX; if (MaxAdditionalPx <= 0) return; // Calculate the maximum space we have for this column set int AvailPx = (CurrentSpanX + MaxAdditionalPx) - BorderX1 - BorderX2; // Allocate any remaining space... int RemainingPx = MaxAdditionalPx; LArray Growable, NonGrowable, SizeInherit; int GrowablePx = 0; for (int x=StartCol; x 0) { GrowablePx += DiffPx; Growable.Add(x); } else if (MinCol[x] > 0) { NonGrowable.Add(x); } else if (MinCol[x] == 0 && CurrentSpanX < AvailPx) { // Growable.Add(x); } if (SizeCol[x].Type == LCss::LenInherit) SizeInherit.Add(x); } if (GrowablePx < RemainingPx && HasToFillAllAvailable) { if (Growable.Length() == 0) { // Add any suitable non-growable columns as well for (unsigned i=0; i MinCol[Largest]) Largest = i; } Growable.Add(Largest); } } if (Growable.Length()) { // Some growable columns... int Added = 0; // Reasonably increase the size of the columns... for (unsigned i=0; i 0) { AddPx = DiffPx; } else if (DiffPx > 0) { double Ratio = (double)DiffPx / GrowablePx; AddPx = (int) (Ratio * RemainingPx); } else { AddPx = RemainingPx / (int)Growable.Length(); } LAssert(AddPx >= 0); MinCol[x] += AddPx; LAssert(MinCol[x] >= 0); Added += AddPx; } if (Added < RemainingPx && HasToFillAllAvailable) { // Still more to add, so if (SizeInherit.Length()) { Growable = SizeInherit; } else { int Largest = -1; for (unsigned i=0; i MinCol[Largest]) Largest = x; } Growable.Length(1); Growable[0] = Largest; } int AddPx = (RemainingPx - Added) / (int)Growable.Length(); for (unsigned i=0; i= 0); } else { MinCol[x] += AddPx; LAssert(MinCol[x] >= 0); Added += AddPx; } } } } } struct ColInfo { int Large; int Growable; int Idx; int Px; }; int ColInfoCmp(ColInfo *a, ColInfo *b) { int LDiff = b->Large - a->Large; int LGrow = b->Growable - a->Growable; int LSize = b->Px - a->Px; return LDiff + LGrow + LSize; } void LHtmlTableLayout::DeallocatePx(int StartCol, int Cols, int MaxPx) { int TotalPx = GetTotalX(StartCol, Cols); if (TotalPx <= MaxPx || MaxPx == 0) return; int TrimPx = TotalPx - MaxPx; LArray Inf; int HalfMax = MaxPx >> 1; unsigned Interesting = 0; int InterestingPx = 0; for (int x=StartCol; x HalfMax; ci.Growable = MinCol[x] < MaxCol[x]; if (ci.Large || ci.Growable) { Interesting++; InterestingPx += ci.Px; } } Inf.Sort(ColInfoCmp); if (InterestingPx > 0) { for (unsigned i=0; i= 0); } else break; } } } int LHtmlTableLayout::GetTotalX(int StartCol, int Cols) { if (Cols < 0) Cols = s.x; int TotalX = BorderX1 + BorderX2 + CellSpacing; for (int x=StartCol; xZeroTableElements(); MinCol.Length(0); MaxCol.Length(0); MaxRow.Length(0); SizeCol.Length(0); LCss::Len BdrSpacing = Table->BorderSpacing(); CellSpacing = BdrSpacing.IsValid() ? (int)BdrSpacing.Value : 0; // Resolve total table width. TableWidth = Table->Width(); if (TableWidth.IsValid()) AvailableX = f->ResolveX(TableWidth, Table, false); else AvailableX = f->X(); LCss::Len MaxWidth = Table->MaxWidth(); if (MaxWidth.IsValid()) { int Px = f->ResolveX(MaxWidth, Table, false); if (Px < AvailableX) AvailableX = Px; } TableBorder = f->ResolveBorder(Table, Table); if (Table->BorderCollapse() != LCss::CollapseCollapse) TablePadding = f->ResolvePadding(Table, Table); else TablePadding.ZOff(0, 0); BorderX1 = TableBorder.x1 + TablePadding.x1; BorderX2 = TableBorder.x2 + TablePadding.x2; #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Table->Debug) LgiTrace("AvailableX=%i, BorderX1=%i, BorderX2=%i\n", AvailableX, BorderX1, BorderX2); #endif #ifdef _DEBUG if (Table->Debug) { printf("Table Debug\n"); } #endif // Size detection pass int y; for (y=0; yGetFont(); t->Cell->BorderPx = f->ResolveBorder(t, t); t->Cell->PaddingPx = f->ResolvePadding(t, t); if (t->Cell->Pos.x == x && t->Cell->Pos.y == y) { LCss::DisplayType Disp = t->Display(); if (Disp == LCss::DispNone) continue; LCss::Len Content = t->Width(); if (Content.IsValid() && t->Cell->Span.x == 1) { if (SizeCol[x].IsValid()) { int OldPx = f->ResolveX(SizeCol[x], t, false); int NewPx = f->ResolveX(Content, t, false); if (NewPx > OldPx) { SizeCol[x] = Content; } } else { SizeCol[x] = Content; } } if (!t->GetWidthMetrics(Table, t->Cell->MinContent, t->Cell->MaxContent)) { t->Cell->MinContent = 16; t->Cell->MaxContent = 16; } #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Table->Debug) LgiTrace("Content[%i,%i] MIN=%i MAX=%i\n", x, y, t->Cell->MinContent, t->Cell->MaxContent); #endif if (t->Cell->Span.x == 1) { int BoxPx = t->Cell->BorderPx.x1 + t->Cell->BorderPx.x2 + t->Cell->PaddingPx.x1 + t->Cell->PaddingPx.x2; MinCol[x] = MAX(MinCol[x], t->Cell->MinContent + BoxPx); LAssert(MinCol[x] >= 0); MaxCol[x] = MAX(MaxCol[x], t->Cell->MaxContent + BoxPx); } } x += t->Cell->Span.x; } else break; } } // How much space used so far? int TotalX = GetTotalX(); if (TotalX > AvailableX) { // FIXME: // Off -> 'cisra-cqs.html' renders correctly. // On -> 'cisra_outage.html', 'steam1.html' renders correctly. #if 1 DeallocatePx(0, (int)MinCol.Length(), AvailableX); TotalX = GetTotalX(); #endif } #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT #define DumpCols(msg) \ if (Table->Debug) \ { \ LgiTrace("%s Ln%i - TotalX=%i AvailableX=%i\n", msg, __LINE__, TotalX, AvailableX); \ for (unsigned i=0; iDebug) { printf("TableDebug\n"); } #endif // Process spanned cells for (y=0; yCell->Pos.x == x && t->Cell->Pos.y == y) { if (t->Cell->Span.x > 1 || t->Cell->Span.y > 1) { int i; int ColMin = -CellSpacing; int ColMax = -CellSpacing; for (i=0; iCell->Span.x; i++) { ColMin += MinCol[x + i] + CellSpacing; ColMax += MaxCol[x + i] + CellSpacing; } LCss::Len Width = t->Width(); if (Width.IsValid()) { int Px = f->ResolveX(Width, t, false); t->Cell->MinContent = MAX(t->Cell->MinContent, Px); t->Cell->MaxContent = MAX(t->Cell->MaxContent, Px); } #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Table->Debug) LgiTrace("Content[%i,%i] MIN=%i MAX=%i\n", x, y, t->Cell->MinContent, t->Cell->MaxContent); #endif if (t->Cell->MinContent > ColMin) AllocatePx(t->Cell->Pos.x, t->Cell->Span.x, t->Cell->MinContent, false); if (t->Cell->MaxContent > ColMax) DistributeSize(MaxCol, t->Cell->Pos.x, t->Cell->Span.x, t->Cell->MaxContent, CellSpacing); } x += t->Cell->Span.x; } else break; } } TotalX = GetTotalX(); DumpCols("AfterSpannedCells"); // Sometimes the web page specifies too many percentages: // Scale them all. float PercentSum = 0.0f; for (int i=0; i 100.0) { float Ratio = PercentSum / 100.0f; for (int i=0; iResolveX(w, Table, false); if (w.Type == LCss::LenPercent) { MaxCol[x] = Px; } else if (Px > MinCol[x]) { int RemainingPx = AvailableX - TotalX; int AddPx = Px - MinCol[x]; AddPx = MIN(RemainingPx, AddPx); TotalX += AddPx; MinCol[x] += AddPx; LAssert(MinCol[x] >= 0); } } } } TotalX = GetTotalX(); DumpCols("AfterCssNonPercentageSizes"); if (TotalX > AvailableX) { #if !ALLOW_TABLE_GROWTH // Deallocate space if overused // Take some from the largest column int Largest = 0; for (int i=0; i MinCol[Largest]) { Largest = i; } } int Take = TotalX - AvailableX; if (Take < MinCol[Largest]) { MinCol[Largest] = MinCol[Largest] - Take; LAssert(MinCol[Largest] >= 0); TotalX -= Take; } DumpCols("AfterSpaceDealloc"); #endif } else if (TotalX < AvailableX) { AllocatePx(0, s.x, AvailableX, TableWidth.IsValid()); DumpCols("AfterRemainingAlloc"); } // Layout cell horizontally and then flow the contents to get // the height of all the cells LArray RowPad; MaxRow.Length(s.y); for (y=0; yCell->Pos.x == x && t->Cell->Pos.y == y) { t->Pos.x = XPos; t->Size.x = -CellSpacing; XPos -= CellSpacing; RowPad[y].y1 = MAX(RowPad[y].y1, t->Cell->BorderPx.y1 + t->Cell->PaddingPx.y1); RowPad[y].y2 = MAX(RowPad[y].y2, t->Cell->BorderPx.y2 + t->Cell->PaddingPx.y2); LRect Box(0, 0, -CellSpacing, 0); for (int i=0; iCell->Span.x; i++) { int ColSize = MinCol[x + i] + CellSpacing; LAssert(ColSize >= 0); if (ColSize < 0) break; t->Size.x += ColSize; XPos += ColSize; Box.x2 += ColSize; } LCss::Len Ht = t->Height(); LFlowRegion r(Table->Html, Box, true); t->OnFlow(&r, Depth+1); if (r.MAX.y > r.y2) { t->Size.y = MAX(r.MAX.y, t->Size.y); } if (Ht.IsValid() && Ht.Type != LCss::LenPercent) { int h = f->ResolveY(Ht, t, false); t->Size.y = MAX(h, t->Size.y); DistributeSize(MaxRow, y, t->Cell->Span.y, t->Size.y, CellSpacing); } } x += t->Cell->Span.x; } } #if defined(_DEBUG) DEBUG_LOG("%s:%i - AfterCellFlow\n", _FL); for (unsigned i=0; iCell->Pos.x == x && t->Cell->Pos.y == y) { LCss::Len Ht = t->Height(); if (!(Ht.IsValid() && Ht.Type != LCss::LenPercent)) { DistributeSize(MaxRow, y, t->Cell->Span.y, t->Size.y, CellSpacing); } } x += t->Cell->Span.x; } else break; } } // Cell positioning int Cx = BorderX1 + CellSpacing; int Cy = TableBorder.y1 + TablePadding.y1 + CellSpacing; for (y=0; yParent); if (Row && Row->TagId == TAG_TR) { t = new LTag(Table->Html, Row); if (t) { t->TagId = TAG_TD; t->Tag.Reset(NewStr("td")); t->Info = Table->Html->GetTagInfo(t->Tag); if ((t->Cell = new LTag::TblCell)) { t->Cell->Pos.x = x; t->Cell->Pos.y = y; t->Cell->Span.x = 1; t->Cell->Span.y = 1; } t->BackgroundColor(LCss::ColorDef(LCss::ColorRgb, DefaultMissingCellColour)); Set(Table); } else break; } else break; } if (t) { if (t->Cell->Pos.x == x && t->Cell->Pos.y == y) { int RowPadOffset = RowPad[y].y1 - t->Cell->BorderPx.y1 - t->Cell->PaddingPx.y1; t->Pos.x = Cx; t->Pos.y = Cy + RowPadOffset; t->Size.x = -CellSpacing; for (int i=0; iCell->Span.x; i++) { int w = MinCol[x + i] + CellSpacing; t->Size.x += w; Cx += w; } t->Size.y = -CellSpacing; for (int n=0; nCell->Span.y; n++) { t->Size.y += MaxRow[y+n] + CellSpacing; } Table->Size.x = MAX(Cx + BorderX2, Table->Size.x); #if defined(_DEBUG) && DEBUG_TABLE_LAYOUT if (Table->Debug) { LgiTrace("cell(%i,%i) = pos(%i,%i)+size(%i,%i)\n", t->Cell->Pos.x, t->Cell->Pos.y, t->Pos.x, t->Pos.y, t->Size.x, t->Size.y); } #endif } else { Cx += t->Size.x + CellSpacing; } x += t->Cell->Span.x; } else break; Prev = t; } Cx = BorderX1 + CellSpacing; Cy += MaxRow[y] + CellSpacing; } switch (Table->Cell->XAlign ? Table->Cell->XAlign : ToTag(Table->Parent)->GetAlign(true)) { case LCss::AlignCenter: { int fx = f->X(); int Ox = (fx-Table->Size.x) >> 1; Table->Pos.x = f->x1 + MAX(Ox, 0); DEBUG_LOG("%s:%i - AlignCenter fx=%i ox=%i pos.x=%i size.x=%i\n", _FL, fx, Ox, Table->Pos.x, Table->Size.x); break; } case LCss::AlignRight: { Table->Pos.x = f->x2 - Table->Size.x; DEBUG_LOG("%s:%i - AlignRight f->x2=%i size.x=%i pos.x=%i\n", _FL, f->x2, Table->Size.x, Table->Pos.x); break; } default: { Table->Pos.x = f->x1; DEBUG_LOG("%s:%i - AlignLeft f->x1=%i size.x=%i pos.x=%i\n", _FL, f->x2, Table->Size.x, Table->Pos.x); break; } } Table->Pos.y = f->y1; Table->Size.y = Cy + TablePadding.y2 + TableBorder.y2; } LRect LTag::ChildBounds() { LRect b(0, 0, -1, -1); for (unsigned i=0; iGetRect(); b.Union(&c); } else { b = t->GetRect(); } } return b; } LPoint LTag::AbsolutePos() { LPoint p; for (LTag *t=this; t; t=ToTag(t->Parent)) { p += t->Pos; } return p; } void LTag::SetSize(LPoint &s) { Size = s; } LHtmlArea::~LHtmlArea() { DeleteObjects(); } LRect LHtmlArea::Bounds() { LRect n(0, 0, -1, -1); for (unsigned i=0; iLength(); i++) { LRect *r = (*c)[i]; if (!Top || (r && (r->y1 < Top->y1))) { Top = r; } } return Top; } void LHtmlArea::FlowText(LTag *Tag, LFlowRegion *Flow, LFont *Font, int LineHeight, char16 *Text, LCss::LengthType Align) { if (!Flow || !Text || !Font) return; SetFixedLength(false); char16 *Start = Text; size_t FullLen = StrlenW(Text); #if 1 if (!Tag->Html->GetReadOnly() && !*Text) { // Insert a text rect for this tag, even though it's empty. // This allows the user to place the cursor on a blank line. LFlowRect *Tr = new LFlowRect; Tr->Tag = Tag; Tr->Text = Text; Tr->x1 = Flow->cx; Tr->x2 = Tr->x1 + 1; Tr->y1 = Flow->y1; Tr->y2 = Tr->y1 + Font->GetHeight(); LAssert(Tr->y2 >= Tr->y1); Flow->y2 = MAX(Flow->y2, Tr->y2+1); Flow->cx = Tr->x2 + 1; Add(Tr); Flow->Insert(Tr, Align); return; } #endif while (*Text) { LFlowRect *Tr = new LFlowRect; if (!Tr) break; Tr->Tag = Tag; Restart: Tr->x1 = Flow->cx; Tr->y1 = Flow->y1; #if 1 // I removed this at one stage but forget why. // Remove white space at start of line if not in edit mode.. if (Tag->Html->GetReadOnly() && Flow->x1 == Flow->cx && *Text == ' ') { Text++; if (!*Text) { DeleteObj(Tr); break; } } #endif Tr->Text = Text; LDisplayString ds(Font, Text, MIN(1024, FullLen - (Text-Start))); ssize_t Chars = ds.CharAt(Flow->X()); bool Wrap = false; if (Text[Chars]) { // Word wrap // Seek back to the nearest break opportunity ssize_t n = Chars; while (n > 0 && !StrchrW(WhiteW, Text[n])) n--; if (n == 0) { if (Flow->x1 == Flow->cx) { // Already started from the margin and it's too long to // fit across the entire page, just let it hang off the right edge. // Seek to the end of the word for (Tr->Len = Chars; Text[Tr->Len] && !StrchrW(WhiteW, Text[Tr->Len]); Tr->Len++) ; // Wrap... if (*Text == ' ') Text++; } else { // Not at the start of the margin Flow->FinishLine(); goto Restart; } } else { Tr->Len = n; LAssert(Tr->Len > 0); Wrap = true; } } else { // Fits.. Tr->Len = Chars; LAssert(Tr->Len > 0); } LDisplayString ds2(Font, Tr->Text, Tr->Len); Tr->x2 = ds2.X(); Tr->y2 = LineHeight > 0 ? LineHeight - 1 : 0; if (Wrap) { Flow->cx = Flow->x1; Flow->y1 += Tr->y2 + 1; Tr->x2 = Flow->x2 - Tag->RelX(); } else { Tr->x2 += Tr->x1 - 1; Flow->cx = Tr->x2 + 1; } Tr->y2 += Tr->y1; Flow->y2 = MAX(Flow->y2, Tr->y2 + 1); Add(Tr); Flow->Insert(Tr, Align); Text += Tr->Len; if (Wrap) { while (*Text == ' ') Text++; } Tag->Size.x = MAX(Tag->Size.x, Tr->x2 + 1); Tag->Size.y = MAX(Tag->Size.y, Tr->y2 + 1); Flow->MAX.x = MAX(Flow->MAX.x, Tr->x2); Flow->MAX.y = MAX(Flow->MAX.y, Tr->y2); if (Tr->Len == 0) break; } SetFixedLength(true); } char16 htoi(char16 c) { if (c >= '0' && c <= '9') return c - '0'; if (c >= 'a' && c <= 'f') return c - 'a' + 10; if (c >= 'A' && c <= 'F') return c - 'A' + 10; LAssert(0); return 0; } bool LTag::Serialize(LXmlTag *t, bool Write) { LRect pos; if (Write) { // Obj -> Tag if (Tag) t->SetAttr("tag", Tag); pos.ZOff(Size.x, Size.y); pos.Offset(Pos.x, Pos.y); t->SetAttr("pos", pos.GetStr()); t->SetAttr("tagid", TagId); if (Txt) { LStringPipe p(256); for (char16 *c = Txt; *c; c++) { if (*c > ' ' && *c < 127 && !strchr("%<>\'\"", *c)) p.Print("%c", (char)*c); else p.Print("%%%.4x", *c); } LAutoString Tmp(p.NewStr()); t->SetContent(Tmp); } if (Props.Length()) { auto CssStyles = ToString(); LAssert(!strchr(CssStyles, '\"')); t->SetAttr("style", CssStyles); } if (Html->Cursor == this) { LAssert(Cursor >= 0); t->SetAttr("cursor", (int64)Cursor); } else LAssert(Cursor < 0); if (Html->Selection == this) { LAssert(Selection >= 0); t->SetAttr("selection", (int64)Selection); } else LAssert(Selection < 0); for (unsigned i=0; iInsertTag(child); if (!tag->Serialize(child, Write)) { return false; } } } else { // Tag -> Obj Tag.Reset(NewStr(t->GetAttr("tag"))); TagId = (HtmlTag) t->GetAsInt("tagid"); pos.SetStr(t->GetAttr("pos")); if (pos.Valid()) { Pos.x = pos.x1; Pos.y = pos.y1; Size.x = pos.x2; Size.y = pos.y2; } if (ValidStr(t->GetContent())) { LStringPipe p(256); char *c = t->GetContent(); SkipWhiteSpace(c); for (; *c && *c > ' '; c++) { char16 ch; if (*c == '%') { ch = 0; for (int i=0; i<4 && *c; i++) { ch <<= 4; ch |= htoi(*++c); } } else ch = *c; p.Write(&ch, sizeof(ch)); } Txt.Reset(p.NewStrW()); } const char *s = t->GetAttr("style"); if (s) Parse(s, ParseRelaxed); s = t->GetAttr("cursor"); if (s) { LAssert(Html->Cursor == NULL); Html->Cursor = this; Cursor = atoi(s); LAssert(Cursor >= 0); } s = t->GetAttr("selection"); if (s) { LAssert(Html->Selection == NULL); Html->Selection = this; Selection = atoi(s); LAssert(Selection >= 0); } #ifdef _DEBUG s = t->GetAttr("debug"); if (s && atoi(s) != 0) Debug = true; #endif for (int i=0; iChildren.Length(); i++) { LXmlTag *child = t->Children[i]; if (child->IsTag("e")) { LTag *tag = new LTag(Html, NULL); if (!tag) { LAssert(0); return false; } if (!tag->Serialize(child, Write)) { return false; } Attach(tag); } } } return true; } /* /// This method centers the text in the area given to the tag. Used for inline block elements. void LTag::CenterText() { if (!Parent) return; // Find the size of the text elements. int ContentPx = 0; for (unsigned i=0; iX(); } LFont *f = GetFont(); int ParentPx = ToTag(Parent)->Size.x; int AvailPx = Size.x; // Remove the border and padding from the content area AvailPx -= BorderLeft().ToPx(ParentPx, f); AvailPx -= BorderRight().ToPx(ParentPx, f); AvailPx -= PaddingLeft().ToPx(ParentPx, f); AvailPx -= PaddingRight().ToPx(ParentPx, f); if (AvailPx > ContentPx) { // Now offset all the regions to the right int OffPx = (AvailPx - ContentPx) >> 1; for (unsigned i=0; iOffset(OffPx, 0); } } } */ void LTag::OnFlow(LFlowRegion *Flow, uint16 Depth) { if (Depth >= MAX_RECURSION_DEPTH) return; DisplayType Disp = Display(); if (Disp == DispNone) return; + Html->d->FlowedTags++; + auto FlowStart = LMicroTime(); + uint64_t FlowTime = 0; + LFont *f = GetFont(); LFlowRegion Local(*Flow); bool Restart = true; int BlockFlowWidth = 0; const char *ImgAltText = NULL; Size.x = 0; Size.y = 0; LCssTools Tools(this, f); LRect rc(Flow->X(), Html->Y()); PadPx = Tools.GetPadding(rc); if (TipId) { Html->Tip.DeleteTip(TipId); TipId = 0; } switch (TagId) { default: break; case TAG_BODY: { Flow->InBody++; break; } case TAG_IFRAME: { LFlowRegion Temp = *Flow; Flow->EndBlock(); Flow->Indent(this, MarginLeft(), MarginTop(), MarginRight(), MarginBottom(), true); // Flow children for (unsigned i=0; iOnFlow(&Temp, Depth + 1); if (TagId == TAG_TR) { Temp.x2 -= MIN(t->Size.x, Temp.X()); } } Flow->Outdent(this, MarginLeft(), MarginTop(), MarginRight(), MarginBottom(), true); BoundParents(); return; break; } case TAG_TR: { Size.x = Flow->X(); break; } case TAG_IMG: { Size.x = Size.y = 0; LCss::Len w = Width(); LCss::Len h = Height(); // LCss::Len MinX = MinWidth(); // LCss::Len MaxX = MaxWidth(); LCss::Len MinY = MinHeight(); LCss::Len MaxY = MaxHeight(); LAutoPtr a; int ImgX, ImgY; if (Image) { ImgX = Image->X(); ImgY = Image->Y(); } else if (Get("alt", ImgAltText) && ValidStr(ImgAltText)) { LDisplayString a(f, ImgAltText); ImgX = a.X() + 4; ImgY = a.Y() + 4; } else { ImgX = DefaultImgSize; ImgY = DefaultImgSize; } double AspectRatio = ImgY != 0 ? (double)ImgX / ImgY : 1.0; bool XLimit = false, YLimit = false; double Scale = 1.0; if (w.IsValid() && w.Type != LenAuto) { Size.x = Flow->ResolveX(w, this, false); XLimit = true; } else { int Fx = Flow->x2 - Flow->x1 + 1; if (ImgX > Fx) { Size.x = Fx; // * 0.8; if (Image) Scale = (double) Fx / ImgX; } else { Size.x = ImgX; } } XLimit |= Flow->LimitX(Size.x, MinWidth(), MaxWidth(), f); if (h.IsValid() && h.Type != LenAuto) { Size.y = Flow->ResolveY(h, this, false); YLimit = true; } else { Size.y = (int) (ImgY * Scale); } YLimit |= Flow->LimitY(Size.y, MinHeight(), MaxHeight(), f); if ( (XLimit ^ YLimit) && Image ) { if (XLimit) { Size.y = (int) ceil((double)Size.x / AspectRatio); } else { Size.x = (int) ceil((double)Size.y * AspectRatio); } } if (MinY.IsValid()) { int Px = Flow->ResolveY(MinY, this, false); if (Size.y < Px) Size.y = Px; } if (MaxY.IsValid()) { int Px = Flow->ResolveY(MaxY, this, false); if (Size.y > Px) Size.y = Px; } if (Disp == DispInline || Disp == DispInlineBlock) { Restart = false; if (Flow->cx > Flow->x1 && Size.x > Flow->X()) { Flow->FinishLine(); } Pos.y = Flow->y1; Flow->y2 = MAX(Flow->y1, Pos.y + Size.y - 1); LCss::LengthType a = GetAlign(true); switch (a) { case AlignCenter: { int Fx = Flow->x2 - Flow->x1; Pos.x = Flow->x1 + ((Fx - Size.x) / 2); break; } case AlignRight: { Pos.x = Flow->x2 - Size.x; break; } default: { Pos.x = Flow->cx; break; } } } break; } case TAG_HR: { Flow->FinishLine(); Pos.x = Flow->x1; Pos.y = Flow->y1 + 7; Size.x = Flow->X(); Size.y = 2; Flow->cx ++; Flow->y2 += 16; Flow->FinishLine(); return; break; } case TAG_TABLE: { Flow->EndBlock(); LCss::Len left = GetCssLen(MarginLeft, Margin); LCss::Len top = GetCssLen(MarginTop, Margin); LCss::Len right = GetCssLen(MarginRight, Margin); LCss::Len bottom = GetCssLen(MarginBottom, Margin); Flow->Indent(this, left, top, right, bottom, true); LayoutTable(Flow, Depth + 1); Flow->y1 += Size.y; Flow->y2 = Flow->y1; Flow->cx = Flow->x1; Flow->my = 0; Flow->MAX.y = MAX(Flow->MAX.y, Flow->y2); Flow->Outdent(this, left, top, right, bottom, true); BoundParents(); return; } } if (Disp == DispBlock || Disp == DispInlineBlock) { // This is a block level element, so end the previous non-block elements if (Disp == DispBlock) Flow->EndBlock(); #ifdef _DEBUG if (Debug) LgiTrace("Before %s\n", Flow->ToString().Get()); #endif BlockFlowWidth = Flow->X(); // Indent the margin... LCss::Len left = GetCssLen(MarginLeft, Margin); LCss::Len top = GetCssLen(MarginTop, Margin); LCss::Len right = GetCssLen(MarginRight, Margin); LCss::Len bottom = GetCssLen(MarginBottom, Margin); Flow->Indent(this, left, top, right, bottom, true); // Set the width if any LCss::Len Wid = Width(); if (!IsTableCell(TagId) && Wid.IsValid()) Size.x = Flow->ResolveX(Wid, this, false); else if (TagId != TAG_IMG) { if (Disp == DispInlineBlock) // Flow->Inline) Size.x = 0; // block inside inline-block default to fit the content else Size.x = Flow->X(); } else if (Disp == DispInlineBlock) Size.x = 0; if (MaxWidth().IsValid()) { int Px = Flow->ResolveX(MaxWidth(), this, false); if (Size.x > Px) Size.x = Px; } if (MinWidth().IsValid()) { int Px = Flow->ResolveX(MinWidth(), this, false); if (Size.x < Px) Size.x = Px; } Pos.x = Disp == DispInlineBlock ? Flow->cx : Flow->x1; Pos.y = Flow->y1; Flow->y1 -= Pos.y; Flow->y2 -= Pos.y; if (Disp == DispBlock) { Flow->x1 -= Pos.x; Flow->x2 = Flow->x1 + Size.x; Flow->cx -= Pos.x; Flow->Indent(this, LCss::BorderLeft(), LCss::BorderTop(), LCss::BorderRight(), LCss::BorderBottom(), false); Flow->Indent(PadPx, false); } else { Flow->x2 = Flow->X(); Flow->x1 = Flow->ResolveX(BorderLeft(), this, true) + Flow->ResolveX(PaddingLeft(), this, true); Flow->cx = Flow->x1; Flow->y1 += Flow->ResolveY(BorderTop(), this, true) + Flow->ResolveY(PaddingTop(), this, true); Flow->y2 = Flow->y1; if (!IsTableTag()) Flow->Inline++; } } else { Flow->Indent(PadPx, false); } if (f) { // Clear the previous text layout... TextPos.DeleteObjects(); switch (TagId) { default: break; case TAG_LI: { // Insert the list marker if (!PreText()) { LCss::ListStyleTypes s = Parent->ListStyleType(); if (s == ListInherit) { if (Parent->TagId == TAG_OL) s = ListDecimal; else if (Parent->TagId == TAG_UL) s = ListDisc; } switch (s) { default: break; case ListDecimal: { ssize_t Index = Parent->Children.IndexOf(this); char Txt[32]; sprintf_s(Txt, sizeof(Txt), "%i. ", (int)(Index + 1)); PreText(Utf8ToWide(Txt)); break; } case ListDisc: { PreText(NewStrW(LHtmlListItem)); break; } } } if (PreText()) TextPos.FlowText(this, Flow, f, f->GetHeight(), PreText(), AlignLeft); break; } case TAG_IMG: { if (Disp == DispBlock) { Flow->cx += Size.x; Flow->y2 += Size.y; } break; } } if (Text() && Flow->InBody) { // Setup the line height cache if (LineHeightCache < 0) { LCss::Len LineHt; LFont *LineFnt = GetFont(); for (LTag *t = this; t && !LineHt.IsValid(); t = ToTag(t->Parent)) { LineHt = t->LineHeight(); if (t->TagId == TAG_TABLE) break; } if (LineFnt) { int FontPx = LineFnt->GetHeight(); if (!LineHt.IsValid() || LineHt.Type == LCss::LenAuto || LineHt.Type == LCss::LenNormal) { LineHeightCache = FontPx; // LgiTrace("LineHeight FontPx=%i Px=%i Auto\n", FontPx, LineHeightCache); } else if (LineHt.Type == LCss::LenPx) { auto Scale = Html->GetDpiScale().y; LineHt.Value *= (float)Scale; LineHeightCache = LineHt.ToPx(FontPx, f); // LgiTrace("LineHeight FontPx=%i Px=%i (Scale=%f)\n", FontPx, LineHeightCache, Scale); } else { LineHeightCache = LineHt.ToPx(FontPx, f); // LgiTrace("LineHeight FontPx=%i Px=%i ToPx\n", FontPx, LineHeightCache); } } } // Flow in the rest of the text... char16 *Txt = Text(); LCss::LengthType Align = GetAlign(true); TextPos.FlowText(this, Flow, f, LineHeightCache, Txt, Align); #ifdef _DEBUG if (Debug) LgiTrace("%s:%i - %p.size=%p\n", _FL, this, &Size.x); #endif } } // Flow children PostFlowAlign.Length(0); + FlowTime += LMicroTime() - FlowStart; + for (unsigned i=0; iPosition()) { case PosStatic: case PosAbsolute: case PosFixed: { LFlowRegion old = *Flow; t->OnFlow(Flow, Depth + 1); // Try and reset the flow to how it was before... Flow->x1 = old.x1; Flow->x2 = old.x2; Flow->cx = old.cx; Flow->y1 = old.y1; Flow->y2 = old.y2; Flow->MAX.x = MAX(Flow->MAX.x, old.MAX.x); Flow->MAX.y = MAX(Flow->MAX.y, old.MAX.y); break; } default: { t->OnFlow(Flow, Depth + 1); break; } } if (TagId == TAG_TR) { Flow->x2 -= MIN(t->Size.x, Flow->X()); } } + FlowStart = LMicroTime(); + LCss::LengthType XAlign = GetAlign(true); int FlowSz = Flow->Width(); // Align the children... for (auto &group: PostFlowAlign) { int MinX = FlowSz, MaxX = 0; for (auto &a: group) { MinX = MIN(MinX, a.t->Pos.x); MaxX = MAX(MaxX, a.t->Pos.x + a.t->Size.x - 1); } int TotalX = MaxX - MinX + 1; int FirstX = group.Length() ? group[0].t->Pos.x : 0; for (auto &a: group) { if (a.XAlign == LCss::AlignCenter) { int OffX = (Size.x - TotalX) >> 1; if (OffX > 0) { a.t->Pos.x += OffX; } } else if (a.XAlign == LCss::AlignRight) { int OffX = FlowSz - FirstX - TotalX; if (OffX > 0) { a.t->Pos.x += OffX; } } } } if (Disp == DispBlock || Disp == DispInlineBlock) { LCss::Len Ht = Height(); LCss::Len MaxHt = MaxHeight(); // I dunno, there should be a better way... :-( if (MarginLeft().Type == LenAuto && MarginRight().Type == LenAuto) { XAlign = LCss::AlignCenter; } bool AcceptHt = !IsTableCell(TagId) && Ht.Type != LenPercent; if (AcceptHt) { if (Ht.IsValid()) { int HtPx = Flow->ResolveY(Ht, this, false); if (HtPx > Flow->y2) Flow->y2 = HtPx; } if (MaxHt.IsValid()) { int MaxHtPx = Flow->ResolveY(MaxHt, this, false); if (MaxHtPx < Flow->y2) { Flow->y2 = MaxHtPx; Flow->MAX.y = MIN(Flow->y2, Flow->MAX.y); } } } if (Disp == DispBlock) { Flow->EndBlock(); int OldFlowSize = Flow->x2 - Flow->x1 + 1; Flow->Outdent(this, PaddingLeft(), PaddingTop(), PaddingRight(), PaddingBottom(), false); Flow->Outdent(this, LCss::BorderLeft(), LCss::BorderTop(), LCss::BorderRight(), LCss::BorderBottom(), false); Size.y = Flow->y2 > 0 ? Flow->y2 : 0; Flow->Outdent(this, MarginLeft(), MarginTop(), MarginRight(), MarginBottom(), true); int NewFlowSize = Flow->x2 - Flow->x1 + 1; int Diff = NewFlowSize - OldFlowSize; if (Diff) Flow->MAX.x += Diff; Flow->y1 = Flow->y2; Flow->x2 = Flow->x1 + BlockFlowWidth; } else { LCss::Len Wid = Width(); int WidPx = Wid.IsValid() ? Flow->ResolveX(Wid, this, true) : 0; Size.x = MAX(WidPx, Size.x); Size.x += Flow->ResolveX(PaddingRight(), this, true); Size.x += Flow->ResolveX(BorderRight(), this, true); int MarginR = Flow->ResolveX(MarginRight(), this, true); int MarginB = Flow->ResolveX(MarginBottom(), this, true); Flow->x1 = Local.x1 - Pos.x; Flow->cx = Local.cx + Size.x + MarginR - Pos.x; Flow->x2 = Local.x2 - Pos.x; if (Height().IsValid()) { Size.y = Flow->ResolveY(Height(), this, false); Flow->y2 = MAX(Flow->y1 + Size.y + MarginB - 1, Flow->y2); } else { Flow->y2 += Flow->ResolveX(PaddingBottom(), this, true); Flow->y2 += Flow->ResolveX(BorderBottom(), this, true); Size.y = Flow->y2; } Flow->y1 = Local.y1 - Pos.y; Flow->y2 = MAX(Local.y2, Flow->y1+Size.y-1); if (!IsTableTag()) Flow->Inline--; } // Can't do alignment here because pos is used to // restart the parents flow region... } else { Flow->Outdent(PadPx, false); switch (TagId) { default: break; case TAG_SELECT: case TAG_INPUT: { if (Html->InThread() && Ctrl) { LRect r = Ctrl->GetPos(); if (Width().IsValid()) Size.x = Flow->ResolveX(Width(), this, false); else Size.x = r.X(); if (Height().IsValid()) Size.y = Flow->ResolveY(Height(), this, false); else Size.y = r.Y(); if (Html->IsAttached() && !Ctrl->IsAttached()) Ctrl->Attach(Html); } Flow->cx += Size.x; Flow->y2 = MAX(Flow->y2, Flow->y1 + Size.y - 1); break; } case TAG_IMG: { Flow->cx += Size.x; Flow->y2 = MAX(Flow->y2, Flow->y1 + Size.y - 1); break; } case TAG_BR: { int OldFlowY2 = Flow->y2; Flow->FinishLine(); Size.y = Flow->y2 - OldFlowY2; Flow->y2 = MAX(Flow->y2, Flow->y1 + Size.y - 1); break; } case TAG_CENTER: { int Px = Flow->X(); for (auto e: Children) { LTag *t = ToTag(e); if (t && t->IsBlock() && t->Size.x < Px) { t->Pos.x = (Px - t->Size.x) >> 1; } } break; } } } BoundParents(); if (Restart) { Flow->x1 += Pos.x; Flow->x2 += Pos.x; Flow->cx += Pos.x; Flow->y1 += Pos.y; Flow->y2 += Pos.y; Flow->MAX.y = MAX(Flow->MAX.y, Flow->y2); } if (Disp == DispBlock || Disp == DispInlineBlock) { if (XAlign == LCss::AlignCenter || XAlign == LCss::AlignRight) { int Match = 0; auto parent = ToTag(Parent); for (auto &grp: parent->PostFlowAlign) { bool Overlaps = false; for (auto &a: grp) { if (a.Overlap(this)) { Overlaps = true; break; } } if (!Overlaps) Match++; } auto &grp = parent->PostFlowAlign[Match]; if (grp.Length() == 0) { grp.x1 = Flow->x1; grp.x2 = Flow->x2; } auto &pf = grp.New(); pf.Disp = Disp; pf.XAlign = XAlign; pf.t = this; } } if (TagId == TAG_BODY && Flow->InBody > 0) { Flow->InBody--; } + + FlowTime += LMicroTime() - FlowStart; + auto CurFlowTotal = Html->d->FlowTimes.Find(Tag); + Html->d->FlowTimes.Add(Tag ? Tag : "NONE", CurFlowTotal + FlowTime); } bool LTag::PeekTag(char *s, char *tag) { bool Status = false; if (s && tag) { if (*s == '<') { char *t = 0; Html->ParseName(++s, &t); if (t) { Status = _stricmp(t, tag) == 0; } DeleteArray(t); } } return Status; } LTag *LTag::GetTable() { LTag *t = 0; for (t=ToTag(Parent); t && t->TagId != TAG_TABLE; t = ToTag(t->Parent)) ; return t; } void LTag::BoundParents() { if (!Parent) return; LTag *np; for (LTag *n=this; n; n = np) { np = ToTag(n->Parent); if (!np || np->TagId == TAG_IFRAME) break; np->Size.x = MAX(np->Size.x, n->Pos.x + n->Size.x); np->Size.y = MAX(np->Size.y, n->Pos.y + n->Size.y); } } struct DrawBorder { LSurface *pDC; uint32_t LineStyle; uint32_t LineReset; uint32_t OldStyle; DrawBorder(LSurface *pdc, LCss::BorderDef &d) { LineStyle = 0xffffffff; LineReset = 0x80000000; if (d.Style == LCss::BorderDotted) { switch ((int)d.Value) { case 2: { LineStyle = 0xcccccccc; break; } case 3: { LineStyle = 0xe38e38; LineReset = 0x800000; break; } case 4: { LineStyle = 0xf0f0f0f0; break; } case 5: { LineStyle = 0xf83e0; LineReset = 0x80000; break; } case 6: { LineStyle = 0xfc0fc0; LineReset = 0x800000; break; } case 7: { LineStyle = 0xfe03f80; LineReset = 0x8000000; break; } case 8: { LineStyle = 0xff00ff00; break; } case 9: { LineStyle = 0x3fe00; LineReset = 0x20000; break; } default: { LineStyle = 0xaaaaaaaa; break; } } } pDC = pdc; OldStyle = pDC->LineStyle(); } ~DrawBorder() { pDC->LineStyle(OldStyle); } }; void LTag::GetInlineRegion(LRegion &rgn, int ox, int oy) { if (TagId == TAG_IMG) { LRect rc(0, 0, Size.x-1, Size.y-1); rc.Offset(ox + Pos.x, oy + Pos.y); rgn.Union(&rc); } else { for (unsigned i=0; iGetInlineRegion(rgn, ox + Pos.x, oy + Pos.y); } } class CornersImg : public LMemDC { public: int Px, Px2; CornersImg( float RadPx, LRect *BorderPx, LCss::BorderDef **defs, LColour &Back, bool DrawBackground) { Px = 0; Px2 = 0; //Radius.Type != LCss::LenInherit && if (RadPx > 0.0f) { Px = (int)ceil(RadPx); Px2 = Px << 1; if (Create(Px2, Px2, System32BitColourSpace)) { #if 1 Colour(0, 32); #else Colour(LColour(255, 0, 255)); #endif Rectangle(); LPointF ctr(Px, Px); LPointF LeftPt(0.0, Px); LPointF TopPt(Px, 0.0); LPointF RightPt(X(), Px); LPointF BottomPt(Px, Y()); int x_px[4] = {BorderPx->x1, BorderPx->x2, BorderPx->x2, BorderPx->x1}; int y_px[4] = {BorderPx->y1, BorderPx->y1, BorderPx->y2, BorderPx->y2}; LPointF *pts[4] = {&LeftPt, &TopPt, &RightPt, &BottomPt}; // Draw border parts.. for (int i=0; i<4; i++) { int k = (i + 1) % 4; // Setup the stops LBlendStop stops[2] = { {0.0, 0}, {1.0, 0} }; uint32_t iColour = defs[i]->Color.IsValid() ? defs[i]->Color.Rgb32 : Back.c32(); uint32_t kColour = defs[k]->Color.IsValid() ? defs[k]->Color.Rgb32 : Back.c32(); if (defs[i]->IsValid() && defs[k]->IsValid()) { stops[0].c32 = iColour; stops[1].c32 = kColour; } else if (defs[i]->IsValid()) { stops[0].c32 = stops[1].c32 = iColour; } else { stops[0].c32 = stops[1].c32 = kColour; } // Create a brush LLinearBlendBrush br ( *pts[i], *pts[k], 2, stops ); // Setup the clip LRect clip( (int)MIN(pts[i]->x, pts[k]->x), (int)MIN(pts[i]->y, pts[k]->y), (int)MAX(pts[i]->x, pts[k]->x)-1, (int)MAX(pts[i]->y, pts[k]->y)-1); ClipRgn(&clip); // Draw the arc... LPath p; p.Circle(ctr, Px); if (defs[i]->IsValid() || defs[k]->IsValid()) p.Fill(this, br); // Fill the background p.Empty(); p.Ellipse(ctr, Px-x_px[i], Px-y_px[i]); if (DrawBackground) { LSolidBrush br(Back); p.Fill(this, br); } else { LEraseBrush br; p.Fill(this, br); } ClipRgn(NULL); } #ifdef MAC ConvertPreMulAlpha(true); #endif #if 0 static int count = 0; LString file; file.Printf("c:\\temp\\img-%i.bmp", ++count); GdcD->Save(file, Corners); #endif } } } }; void LTag::PaintBorderAndBackground(LSurface *pDC, LColour &Back, LRect *BorderPx) { LArray r; LRect BorderPxRc; bool DrawBackground = !Back.IsTransparent(); #ifdef _DEBUG if (Debug) { //int asd=0; } #endif if (!BorderPx) BorderPx = &BorderPxRc; BorderPx->ZOff(0, 0); // Get all the border info and work out the pixel sizes. LFont *f = GetFont(); #define DoEdge(coord, axis, name) \ BorderDef name = Border##name(); \ BorderPx->coord = name.Style != LCss::BorderNone ? name.ToPx(Size.axis, f) : 0; #define BorderValid(name) \ ((name).IsValid() && (name).Style != LCss::BorderNone) DoEdge(x1, x, Left); DoEdge(y1, y, Top); DoEdge(x2, x, Right); DoEdge(y2, y, Bottom); LCss::BorderDef *defs[4] = {&Left, &Top, &Right, &Bottom}; if (BorderValid(Left) || BorderValid(Right) || BorderValid(Top) || BorderValid(Bottom) || DrawBackground) { // Work out the rectangles switch (Display()) { case DispInlineBlock: case DispBlock: { r[0].ZOff(Size.x-1, Size.y-1); break; } case DispInline: { LRegion rgn; GetInlineRegion(rgn); if (BorderPx) { for (int i=0; ix1 -= BorderPx->x1 + PadPx.x1; r->y1 -= BorderPx->y1 + PadPx.y1; r->x2 += BorderPx->x2 + PadPx.x2; r->y2 += BorderPx->y2 + PadPx.y2; } } r.Length(rgn.Length()); auto p = r.AddressOf(); for (auto i = rgn.First(); i; i = rgn.Next()) *p++ = *i; break; } default: return; } // If we are drawing rounded corners, draw them into a memory context LAutoPtr Corners; int Px = 0, Px2 = 0; LCss::Len Radius = BorderRadius(); float RadPx = Radius.Type == LCss::LenPx ? Radius.Value : Radius.ToPx(Size.x, GetFont()); bool HasRadius = Radius.Type != LCss::LenInherit && RadPx > 0.0f; // Loop over the rectangles and draw everything int Op = pDC->Op(GDC_ALPHA); for (unsigned i=0; i rc.Y()) { Px = rc.Y() / 2; Px2 = Px << 1; } if (!Corners || Corners->Px2 != Px2) { Corners.Reset(new CornersImg((float)Px, BorderPx, defs, Back, DrawBackground)); } // top left LRect r(0, 0, Px-1, Px-1); pDC->Blt(rc.x1, rc.y1, Corners, &r); // top right r.Set(Px, 0, Corners->X()-1, Px-1); pDC->Blt(rc.x2-Px+1, rc.y1, Corners, &r); // bottom left r.Set(0, Px, Px-1, Corners->Y()-1); pDC->Blt(rc.x1, rc.y2-Px+1, Corners, &r); // bottom right r.Set(Px, Px, Corners->X()-1, Corners->Y()-1); pDC->Blt(rc.x2-Px+1, rc.y2-Px+1, Corners, &r); #if 1 pDC->Colour(Back); pDC->Rectangle(rc.x1+Px, rc.y1, rc.x2-Px, rc.y2); pDC->Rectangle(rc.x1, rc.y1+Px, rc.x1+Px-1, rc.y2-Px); pDC->Rectangle(rc.x2-Px+1, rc.y1+Px, rc.x2, rc.y2-Px); #else pDC->Colour(LColour(255, 0, 0, 0x80)); pDC->Rectangle(rc.x1+Px, rc.y1, rc.x2-Px, rc.y2); pDC->Colour(LColour(0, 255, 0, 0x80)); pDC->Rectangle(rc.x1, rc.y1+Px, rc.x1+Px-1, rc.y2-Px); pDC->Colour(LColour(0, 0, 255, 0x80)); pDC->Rectangle(rc.x2-Px+1, rc.y1+Px, rc.x2, rc.y2-Px); #endif } else if (DrawBackground) { pDC->Colour(Back); pDC->Rectangle(&rc); } LCss::BorderDef *b; if ((b = &Left) && BorderValid(*b)) { pDC->Colour(b->Color.Rgb32, 32); DrawBorder db(pDC, *b); for (int i=0; iValue; i++) { pDC->LineStyle(db.LineStyle, db.LineReset); pDC->Line(rc.x1 + i, rc.y1+Px, rc.x1+i, rc.y2-Px); } } if ((b = &Top) && BorderValid(*b)) { pDC->Colour(b->Color.Rgb32, 32); DrawBorder db(pDC, *b); for (int i=0; iValue; i++) { pDC->LineStyle(db.LineStyle, db.LineReset); pDC->Line(rc.x1+Px, rc.y1+i, rc.x2-Px, rc.y1+i); } } if ((b = &Right) && BorderValid(*b)) { pDC->Colour(b->Color.Rgb32, 32); DrawBorder db(pDC, *b); for (int i=0; iValue; i++) { pDC->LineStyle(db.LineStyle, db.LineReset); pDC->Line(rc.x2-i, rc.y1+Px, rc.x2-i, rc.y2-Px); } } if ((b = &Bottom) && BorderValid(*b)) { pDC->Colour(b->Color.Rgb32, 32); DrawBorder db(pDC, *b); for (int i=0; iValue; i++) { pDC->LineStyle(db.LineStyle, db.LineReset); pDC->Line(rc.x1+Px, rc.y2-i, rc.x2-Px, rc.y2-i); } } } pDC->Op(Op); } } static void FillRectWithImage(LSurface *pDC, LRect *r, LSurface *Image, LCss::RepeatType Repeat) { int Px = 0, Py = 0; int Old = pDC->Op(GDC_ALPHA); if (!Image) return; switch (Repeat) { default: case LCss::RepeatBoth: { for (int y=0; yY(); y += Image->Y()) { for (int x=0; xX(); x += Image->X()) { pDC->Blt(Px + x, Py + y, Image); } } break; } case LCss::RepeatX: { for (int x=0; xX(); x += Image->X()) { pDC->Blt(Px + x, Py, Image); } break; } case LCss::RepeatY: { for (int y=0; yY(); y += Image->Y()) { pDC->Blt(Px, Py + y, Image); } break; } case LCss::RepeatNone: { pDC->Blt(Px, Py, Image); break; } } pDC->Op(Old); } void LTag::OnPaint(LSurface *pDC, bool &InSelection, uint16 Depth) { if (Depth >= MAX_RECURSION_DEPTH || Display() == DispNone) return; if ( #ifdef _DEBUG !Html->_Debug && #endif LCurrentTime() - Html->PaintStart > Html->d->MaxPaintTime) { Html->d->MaxPaintTimeout = true; return; } int Px, Py; pDC->GetOrigin(Px, Py); #if 0 if (Debug) { Gtk::cairo_matrix_t mx; Gtk::cairo_get_matrix(pDC->Handle(), &mx); LPoint Offset; Html->WindowVirtualOffset(&Offset); LRect cli; pDC->GetClient(&cli); printf("\tTag paint mx=%g,%g off=%i,%i p=%i,%i Pos=%i,%i cli=%s\n", mx.x0, mx.y0, Offset.x, Offset.y, Px, Py, Pos.x, Pos.y, cli.GetStr()); } #endif switch (TagId) { case TAG_INPUT: case TAG_SELECT: { if (Ctrl) { int64 Sx = 0, Sy = 0; int64 LineY = GetFont()->GetHeight(); Html->GetScrollPos(Sx, Sy); Sx *= LineY; Sy *= LineY; LRect r(0, 0, Size.x-1, Size.y-1), Px; LColour back = _Colour(false); PaintBorderAndBackground(pDC, back, &Px); if (!dynamic_cast(Ctrl)) { r.x1 += Px.x1; r.y1 += Px.y1; r.x2 -= Px.x2; r.y2 -= Px.y2; } r.Offset(AbsX() - (int)Sx, AbsY() - (int)Sy); Ctrl->SetPos(r); } if (TagId == TAG_SELECT) return; break; } case TAG_BODY: { auto b = _Colour(false); if (!b.IsTransparent()) { pDC->Colour(b); pDC->Rectangle(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); } if (Image) { LRect r; r.ZOff(Size.x-1, Size.y-1); FillRectWithImage(pDC, &r, Image, BackgroundRepeat()); } break; } case TAG_HEAD: { // Nothing under here to draw. return; } case TAG_HR: { pDC->Colour(L_MED); pDC->Rectangle(0, 0, Size.x - 1, Size.y - 1); break; } case TAG_TR: case TAG_TBODY: case TAG_META: { // Draws nothing... break; } case TAG_IMG: { LRect Clip(0, 0, Size.x-1, Size.y-1); pDC->ClipRgn(&Clip); if (Image) { #if ENABLE_IMAGE_RESIZING if ( !ImageResized && ( Size.x != Image->X() || Size.y != Image->Y() ) ) { ImageResized = true; LColourSpace Cs = Image->GetColourSpace(); if (Cs == CsIndex8 && Image->AlphaDC()) Cs = System32BitColourSpace; LAutoPtr r(new LMemDC(Size.x, Size.y, Cs)); if (r) { if (Cs == CsIndex8) r->Palette(new LPalette(Image->Palette())); ResampleDC(r, Image); Image = r; } } #endif int Old = pDC->Op(GDC_ALPHA); pDC->Blt(0, 0, Image); pDC->Op(Old); } else if (Size.x > 1 && Size.y > 1) { LRect b(0, 0, Size.x-1, Size.y-1); LColour Fill(LColour(L_MED).Mix(LColour(L_LIGHT), 0.2f)); LColour Border(L_MED); // Border pDC->Colour(Border); pDC->Box(&b); b.Inset(1, 1); pDC->Box(&b); b.Inset(1, 1); pDC->Colour(Fill); pDC->Rectangle(&b); const char *Alt; LColour Red(LColour(255, 0, 0).Mix(Fill, 0.3f)); if (Get("alt", Alt) && ValidStr(Alt)) { LDisplayString Ds(Html->GetFont(), Alt); Html->GetFont()->Colour(Red, Fill); Ds.Draw(pDC, 2, 2, &b); } else if (Size.x >= 16 && Size.y >= 16) { // Red 'x' int Cx = b.x1 + (b.X()/2); int Cy = b.y1 + (b.Y()/2); LRect c(Cx-4, Cy-4, Cx+4, Cy+4); pDC->Colour(Red); pDC->Line(c.x1, c.y1, c.x2, c.y2); pDC->Line(c.x1, c.y2, c.x2, c.y1); pDC->Line(c.x1, c.y1 + 1, c.x2 - 1, c.y2); pDC->Line(c.x1 + 1, c.y1, c.x2, c.y2 - 1); pDC->Line(c.x1 + 1, c.y2, c.x2, c.y1 + 1); pDC->Line(c.x1, c.y2 - 1, c.x2 - 1, c.y1); } } pDC->ClipRgn(0); break; } default: { LColour fore = _Colour(true); LColour back = _Colour(false); if (Display() == DispBlock && Html->Environment) { LCss::ImageDef Img = BackgroundImage(); if (Img.Img) { LRect Clip(0, 0, Size.x-1, Size.y-1); pDC->ClipRgn(&Clip); FillRectWithImage(pDC, &Clip, Img.Img, BackgroundRepeat()); pDC->ClipRgn(NULL); back.Empty(); } } PaintBorderAndBackground(pDC, back, NULL); LFont *f = GetFont(); #if DEBUG_TEXT_AREA bool IsEditor = Html ? !Html->GetReadOnly() : false; #else bool IsEditor = false; #endif if (f && TextPos.Length()) { // This is the non-display part of the font bounding box int LeadingPx = (int)(f->Leading() + 0.5); // This is the displayable part of the font int FontPx = f->GetHeight() - LeadingPx; // This is the pixel height we're aiming to fill int EffectiveLineHt = LineHeightCache >= 0 ? MAX(FontPx, LineHeightCache) : FontPx; // This gets added to the y coord of each piece of text int LineHtOff = ((EffectiveLineHt - FontPx + 1) >> 1) - LeadingPx; #define FontColour(InSelection) \ f->Transparent(!InSelection && !IsEditor); \ if (InSelection) \ f->Colour(L_FOCUS_SEL_FORE, L_FOCUS_SEL_BACK); \ else \ { \ LColour bk(back.IsTransparent() ? LColour(L_WORKSPACE) : back); \ LColour fr(fore.IsTransparent() ? LColour(DefaultTextColour) : fore); \ if (IsEditor) \ bk = bk.Mix(LColour::Black, 0.05f); \ f->Colour(fr, bk); \ } if (Html->HasSelection() && (Selection >= 0 || Cursor >= 0) && Selection != Cursor) { ssize_t Min = -1; ssize_t Max = -1; ssize_t Base = GetTextStart(); if (Cursor >= 0 && Selection >= 0) { Min = MIN(Cursor, Selection) + Base; Max = MAX(Cursor, Selection) + Base; } else if (InSelection) { Max = MAX(Cursor, Selection) + Base; } else { Min = MAX(Cursor, Selection) + Base; } LRect CursorPos; CursorPos.ZOff(-1, -1); for (unsigned i=0; iText - Text(); ssize_t Done = 0; int x = Tr->x1; if (Tr->Len == 0) { // Is this a selection edge point? if (!InSelection && Min == 0) { InSelection = !InSelection; } else if (InSelection && Max == 0) { InSelection = !InSelection; } if (Cursor >= 0) { // Is this the cursor, then draw it and save it's position if (Cursor == Start + Done - Base) { Html->d->CursorPos.Set(x, Tr->y1 + LineHtOff, x + 1, Tr->y2 - LineHtOff); if (Html->d->CursorPos.x1 > Tr->x2) Html->d->CursorPos.Offset(Tr->x2 - Html->d->CursorPos.x1, 0); CursorPos = Html->d->CursorPos; Html->d->CursorPos.Offset(AbsX(), AbsY()); } } break; } while (Done < Tr->Len) { ssize_t c = Tr->Len - Done; FontColour(InSelection); // Is this a selection edge point? if ( !InSelection && Min - Start >= Done && Min - Start < Done + Tr->Len) { InSelection = !InSelection; c = Min - Start - Done; } else if ( InSelection && Max - Start >= Done && Max - Start <= Tr->Len) { InSelection = !InSelection; c = Max - Start - Done; } // Draw the text run LDisplayString ds(f, Tr->Text + Done, c); if (IsEditor) { LRect r(x, Tr->y1, x + ds.X() - 1, Tr->y2); ds.Draw(pDC, x, Tr->y1 + LineHtOff, &r); } else { ds.Draw(pDC, x, Tr->y1 + LineHtOff); } x += ds.X(); Done += c; // Is this is end of the tag? if (Tr->Len == Done) { // Is it also a selection edge? if ( !InSelection && Min - Start == Done) { InSelection = !InSelection; } else if ( InSelection && Max - Start == Done) { InSelection = !InSelection; } } if (Cursor >= 0) { // Is this the cursor, then draw it and save it's position if (Cursor == Start + Done - Base) { Html->d->CursorPos.Set(x, Tr->y1 + LineHtOff, x + 1, Tr->y2 - LineHtOff); if (Html->d->CursorPos.x1 > Tr->x2) Html->d->CursorPos.Offset(Tr->x2 - Html->d->CursorPos.x1, 0); CursorPos = Html->d->CursorPos; Html->d->CursorPos.Offset(AbsX(), AbsY()); } } } } if (Html->d->CursorVis && CursorPos.Valid()) { pDC->Colour(L_TEXT); pDC->Rectangle(&CursorPos); } } else if (Cursor >= 0) { FontColour(InSelection); ssize_t Base = GetTextStart(); for (unsigned i=0; iText - Text()) - Base; LAssert(Tr->y2 >= Tr->y1); LDisplayString ds(f, Tr->Text, Tr->Len); ds.Draw(pDC, Tr->x1, Tr->y1 + LineHtOff, IsEditor ? Tr : NULL); if ( ( Tr->Text == PreText() && !ValidStrW(Text()) ) || ( Cursor >= Pos && Cursor <= Pos + Tr->Len ) ) { ssize_t Off = Tr->Text == PreText() ? StrlenW(PreText()) : Cursor - Pos; pDC->Colour(L_TEXT); LRect c; if (Off) { LDisplayString ds(f, Tr->Text, Off); int x = ds.X(); if (x >= Tr->X()) x = Tr->X()-1; c.Set(Tr->x1 + x, Tr->y1, Tr->x1 + x + 1, Tr->y1 + f->GetHeight()); } else { c.Set(Tr->x1, Tr->y1, Tr->x1 + 1, Tr->y1 + f->GetHeight()); } Html->d->CursorPos = c; if (Html->d->CursorVis) pDC->Rectangle(&c); Html->d->CursorPos.Offset(AbsX(), AbsY()); } } } else { FontColour(InSelection); for (auto &Tr: TextPos) { LDisplayString ds(f, Tr->Text, Tr->Len); ds.Draw(pDC, Tr->x1, Tr->y1 + LineHtOff, IsEditor ? Tr : NULL); } } } break; } } #if DEBUG_TABLE_LAYOUT && 0 if (IsTableCell(TagId)) { LTag *Tbl = this; while (Tbl->TagId != TAG_TABLE && Tbl->Parent) Tbl = Tbl->Parent; if (Tbl && Tbl->TagId == TAG_TABLE && Tbl->Debug) { pDC->Colour(LColour(255, 0, 0)); pDC->Box(0, 0, Size.x-1, Size.y-1); } } #endif for (unsigned i=0; iSetOrigin(Px - t->Pos.x, Py - t->Pos.y); t->OnPaint(pDC, InSelection, Depth + 1); pDC->SetOrigin(Px, Py); } #if DEBUG_DRAW_TD if (TagId == TAG_TD) { LTag *Tbl = this; while (Tbl && Tbl->TagId != TAG_TABLE) Tbl = ToTag(Tbl->Parent); if (Tbl && Tbl->Debug) { int Ls = pDC->LineStyle(LSurface::LineDot); pDC->Colour(LColour::Blue); pDC->Box(0, 0, Size.x-1, Size.y-1); pDC->LineStyle(Ls); } } #endif } ////////////////////////////////////////////////////////////////////// LHtml::LHtml(int id, int x, int y, int cx, int cy, LDocumentEnv *e) : LDocView(e), ResObject(Res_Custom), LHtmlParser(NULL) { View = this; d = new LHtmlPrivate; SetReadOnly(true); ViewWidth = -1; SetId(id); LRect r(x, y, x+cx, y+cy); SetPos(r); Cursor = 0; Selection = 0; DocumentUid = 0; _New(); } LHtml::~LHtml() { _Delete(); DeleteObj(d); if (JobSem.Lock(_FL)) { JobSem.Jobs.DeleteObjects(); JobSem.Unlock(); } } void LHtml::_New() { d->StyleDirty = false; d->IsLoaded = false; d->Content.x = d->Content.y = 0; d->DeferredLoads = 0; Tag = 0; DocCharSet.Reset(); IsHtml = true; #ifdef DefaultFont LFont *Def = new LFont; if (Def) { if (Def->CreateFromCss(DefaultFont)) SetFont(Def, true); else DeleteObj(Def); } #endif FontCache = new LFontCache(this); SetScrollBars(false, false); } void LHtml::_Delete() { LAssert(!d->IsParsing); CssStore.Empty(); CssHref.Empty(); OpenTags.Length(0); Source.Reset(); DeleteObj(Tag); DeleteObj(FontCache); } LFont *LHtml::DefFont() { return GetFont(); } void LHtml::OnAddStyle(const char *MimeType, const char *Styles) { if (Styles) { const char *c = Styles; bool Status = CssStore.Parse(c); if (Status) { d->StyleDirty = true; } #if 0 // def _DEBUG bool LogCss = false; if (!Status) { char p[MAX_PATH_LEN]; sprintf_s(p, sizeof(p), "c:\\temp\\css_parse_failure_%i.txt", LRand()); LFile f; if (f.Open(p, O_WRITE)) { f.SetSize(0); if (CssStore.Error) f.Print("Error: %s\n\n", CssStore.Error.Get()); f.Write(Styles, strlen(Styles)); f.Close(); } } if (LogCss) { LStringPipe p; CssStore.Dump(p); LAutoString a(p.NewStr()); LFile f; if (f.Open("C:\\temp\\css.txt", O_WRITE)) { f.Write(a, strlen(a)); f.Close(); } } #endif } } void LHtml::ParseDocument(const char *Doc) { if (!Tag) { Tag = new LTag(this, 0); } if (GetCss()) GetCss()->DeleteProp(LCss::PropBackgroundColor); if (Tag) { Tag->TagId = ROOT; OpenTags.Length(0); if (IsHtml) { Parse(Tag, Doc); // Add body tag if not specified... LTag *Html = Tag->GetTagByName("html"); LTag *Body = Tag->GetTagByName("body"); if (!Html && !Body) { if ((Html = new LTag(this, 0))) Html->SetTag("html"); if ((Body = new LTag(this, Html))) Body->SetTag("body"); Html->Attach(Body); if (Tag->Text()) { LTag *Content = new LTag(this, Body); if (Content) { Content->TagId = CONTENT; Content->Text(NewStrW(Tag->Text())); } } while (Tag->Children.Length()) { LTag *t = ToTag(Tag->Children.First()); Body->Attach(t, Body->Children.Length()); } DeleteObj(Tag); Tag = Html; } else if (!Body) { if ((Body = new LTag(this, Html))) Body->SetTag("body"); for (unsigned i=0; iChildren.Length(); i++) { LTag *t = ToTag(Html->Children[i]); if (t->TagId != TAG_HEAD) { Body->Attach(t); i--; } } Html->Attach(Body); } if (Html && Body) { char16 *t = Tag->Text(); if (t) { if (ValidStrW(t)) { LTag *Content = new LTag(this, 0); if (Content) { Content->Text(NewStrW(Tag->Text())); Body->Attach(Content, 0); } } Tag->Text(0); } #if 0 // Enabling this breaks the test file 'gw2.html'. for (LTag *t = Html->Tags.First(); t; ) { if (t->Tag && t->Tag[0] == '!') { Tag->Attach(t, 0); t = Html->Tags.Current(); } else if (t->TagId != TAG_HEAD && t != Body) { if (t->TagId == TAG_HTML) { LTag *c; while ((c = t->Tags.First())) { Html->Attach(c, 0); } t->Detach(); DeleteObj(t); } else { t->Detach(); Body->Attach(t); } t = Html->Tags.Current(); } else { t = Html->Tags.Next(); } } #endif if (Environment) { const char *OnLoad; if (Body->Get("onload", OnLoad)) { Environment->OnExecuteScript(this, (char*)OnLoad); } } } } else { Tag->ParseText(Source); } } ViewWidth = -1; if (Tag) Tag->ResetCaches(); Invalidate(); } bool LHtml::NameW(const char16 *s) { LAutoPtr utf(WideToUtf8(s)); return Name(utf); } const char16 *LHtml::NameW() { LBase::Name(Source); return LBase::NameW(); } bool LHtml::Name(const char *s) { int Uid = -1; if (Environment) Uid = Environment->NextUid(); if (Uid < 0) Uid = GetDocumentUid() + 1; SetDocumentUid(Uid); _Delete(); _New(); IsHtml = false; // Detect HTML const char *c = s; while ((c = strchr(c, '<'))) { char *t = 0; c = ParseName((char*) ++c, &t); if (t && GetTagInfo(t)) { DeleteArray(t); IsHtml = true; break; } DeleteArray(t); } // Parse d->IsParsing = true; ParseDocument(s); d->IsParsing = false; if (Tag && d->StyleDirty) { d->StyleDirty = false; Tag->RestyleAll(); } if (d->DeferredLoads == 0) { OnLoad(); } Invalidate(); return true; } const char *LHtml::Name() { if (!Source && Tag) { LStringPipe s(1024); Tag->CreateSource(s); Source.Reset(s.NewStr()); } return Source; } LMessage::Result LHtml::OnEvent(LMessage *Msg) { switch (Msg->Msg()) { case M_COPY: { Copy(); break; } case M_JOBS_LOADED: { bool Update = false; int InitDeferredLoads = d->DeferredLoads; if (JobSem.Lock(_FL)) { for (unsigned i=0; iUserData); if (j->UserUid == MyUid && j->UserData != NULL) { Html1::LTag *r = static_cast(j->UserData); if (d->DeferredLoads > 0) d->DeferredLoads--; // Check the tag is still in our tree... if (Tag->HasChild(r)) { // Process the returned data... if (r->TagId == TAG_IMG) { if (j->pDC) { r->SetImage(j->Uri, j->pDC.Release()); ViewWidth = 0; Update = true; } else if (j->Stream) { LAutoPtr pDC(GdcD->Load(dynamic_cast(j->Stream.Get()))); if (pDC) { r->SetImage(j->Uri, pDC.Release()); ViewWidth = 0; Update = true; } else LgiTrace("%s:%i - Image decode failed for '%s'\n", _FL, j->Uri.Get()); } else if (j->Status == LDocumentEnv::LoadJob::JobOk) LgiTrace("%s:%i - Unexpected job type for '%s'\n", _FL, j->Uri.Get()); } else if (r->TagId == TAG_LINK) { if (!CssHref.Find(j->Uri)) { LStreamI *s = j->GetStream(); if (s) { s->ChangeThread(); int Size = (int)s->GetSize(); LAutoString Style(new char[Size+1]); ssize_t rd = s->Read(Style, Size); if (rd > 0) { Style[rd] = 0; CssHref.Add(j->Uri, true); OnAddStyle("text/css", Style); ViewWidth = 0; Update = true; } } } } else if (r->TagId == TAG_IFRAME) { // Remote IFRAME loading not support for security reasons. } else LgiTrace("%s:%i - Unexpected tag '%s' for URI '%s'\n", _FL, r->Tag.Get(), j->Uri.Get()); } else { /* Html1::LTag *p = ToTag(r->Parent); while (p && p->Parent) p = ToTag(p->Parent); */ LgiTrace("%s:%i - No child tag for job.\n", _FL); } } // else it's from another (historical) HTML control, ignore } JobSem.Jobs.DeleteObjects(); JobSem.Unlock(); } if (InitDeferredLoads > 0 && d->DeferredLoads <= 0) { LAssert(d->DeferredLoads == 0); d->DeferredLoads = 0; OnLoad(); } if (Update) { OnPosChange(); Invalidate(); } break; } } return LDocView::OnEvent(Msg); } int LHtml::OnNotify(LViewI *c, LNotification n) { switch (c->GetId()) { case IDC_VSCROLL: { int LineY = GetFont()->GetHeight(); if (Tag) Tag->ClearToolTips(); if (n.Type == LNotifyScrollBarCreate && VScroll && LineY > 0) { int y = Y(); int p = MAX(y / LineY, 1); int fy = d->Content.y / LineY; VScroll->SetPage(p); VScroll->SetRange(fy); } Invalidate(); break; } default: { LTag *Ctrl = Tag ? Tag->FindCtrlId(c->GetId()) : NULL; if (Ctrl) return Ctrl->OnNotify(n); break; } } return LLayout::OnNotify(c, n); } void LHtml::OnPosChange() { LLayout::OnPosChange(); if (ViewWidth != X()) { Invalidate(); } } bool LHtml::OnLayout(LViewLayoutInfo &Inf) { if (!Inf.Width.Min) { Inf.Width.Min = Inf.FILL; Inf.Width.Max = Inf.FILL; } else { Inf.Height.Min = Inf.FILL; Inf.Height.Max = Inf.FILL; } return true; } LPoint LHtml::Layout(bool ForceLayout) { LRect Client = GetClient(); if (Tag && (ViewWidth != Client.X() || ForceLayout)) { LFlowRegion f(this, Client, false); // Flow text, width is different + d->FlowedTags = 0; Tag->OnFlow(&f, 0); + + for (auto p: d->FlowTimes) + { + LgiTrace("%s=" LPrintfInt64 "\n", p.key, p.value); + } + ViewWidth = Client.X(); d->Content.x = f.MAX.x + 1; d->Content.y = f.MAX.y + 1; // Set up scroll box bool Sy = f.y2 > Y(); int LineY = GetFont()->GetHeight(); uint64 Now = LCurrentTime(); if (Now - d->SetScrollTime > 100) { d->SetScrollTime = Now; SetScrollBars(false, Sy); if (Sy && VScroll && LineY > 0) { int y = Y(); int p = MAX(y / LineY, 1); int fy = f.y2 / LineY; VScroll->SetPage(p); VScroll->SetRange(fy); } } else { // LgiTrace("%s - Dropping SetScroll, loop detected: %i ms\n", GetClass(), (int)(Now - d->SetScrollTime)); } } return d->Content; } LPointF LHtml::GetDpiScale() { LPointF Scale(1.0, 1.0); auto Wnd = GetWindow(); if (Wnd) Scale = Wnd->GetDpiScale(); return Scale; } void LHtml::OnPaint(LSurface *ScreenDC) { - // LProfile Prof("LHtml::OnPaint"); + LProfile Prof("LHtml::OnPaint"); + Prof.HideResultsIfBelow(200); #if HTML_USE_DOUBLE_BUFFER LRect Client = GetClient(); if (ScreenDC->IsScreen()) { if (!MemDC || (MemDC->X() < Client.X() || MemDC->Y() < Client.Y())) { if (MemDC.Reset(new LMemDC)) { int Sx = Client.X() + 10; int Sy = Client.Y() + 10; + Prof.Add("CreateMemDC"); if (!MemDC->Create(Sx, Sy, System32BitColourSpace)) { MemDC.Reset(); } } } if (MemDC) { MemDC->ClipRgn(NULL); #if 0//def _DEBUG MemDC->Colour(LColour(255, 0, 255)); MemDC->Rectangle(); #endif } } #endif LSurface *pDC = MemDC ? MemDC : ScreenDC; #if 0 Gtk::cairo_matrix_t mx; Gtk::cairo_get_matrix(pDC->Handle(), &mx); LPoint Offset; WindowVirtualOffset(&Offset); printf("\tHtml paint mx=%g,%g off=%i,%i\n", mx.x0, mx.y0, Offset.x, Offset.y); #endif + Prof.Add("Background"); LColour cBack; if (GetCss()) { LCss::ColorDef Bk = GetCss()->BackgroundColor(); if (Bk.Type == LCss::ColorRgb) cBack = Bk; } if (!cBack.IsValid()) cBack = LColour(Enabled() ? L_WORKSPACE : L_MED); pDC->Colour(cBack); pDC->Rectangle(); if (Tag) { + Prof.Add("Layout"); Layout(); if (VScroll) { + Prof.Add("VScroll"); int LineY = GetFont()->GetHeight(); int Vs = (int)VScroll->Value(); pDC->SetOrigin(0, Vs * LineY); } bool InSelection = false; PaintStart = LCurrentTime(); d->MaxPaintTimeout = false; + Prof.Add("TagPaint.Before"); Tag->OnPaint(pDC, InSelection, 0); + Prof.Add("TagPaint.After"); if (d->MaxPaintTimeout) { LgiTrace("%s:%i - Html max paint time reached: %i ms.\n", _FL, LCurrentTime() - PaintStart); } } #if HTML_USE_DOUBLE_BUFFER if (MemDC) { pDC->SetOrigin(0, 0); + Prof.Add("Blt"); ScreenDC->Blt(0, 0, MemDC); } #endif if (d->OnLoadAnchor && VScroll) { LAutoString a = d->OnLoadAnchor; + Prof.Add("GotoAnchor"); GotoAnchor(a); LAssert(d->OnLoadAnchor == 0); } } bool LHtml::HasSelection() { if (Cursor && Selection) { return Cursor->Cursor >= 0 && Selection->Selection >= 0 && !(Cursor == Selection && Cursor->Cursor == Selection->Selection); } return false; } void LHtml::UnSelectAll() { bool i = false; if (Cursor) { Cursor->Cursor = -1; Cursor = NULL; i = true; } if (Selection) { Selection->Selection = -1; Selection = NULL; i = true; } if (i) { Invalidate(); } } void LHtml::SelectAll() { } LTag *LHtml::GetLastChild(LTag *t) { if (t && t->Children.Length()) { for (LTag *i = ToTag(t->Children.Last()); i; ) { LTag *c = i->Children.Length() ? ToTag(i->Children.Last()) : NULL; if (c) i = c; else return i; } } return 0; } LTag *LHtml::PrevTag(LTag *t) { // This returns the previous tag in the tree as if all the tags were // listed via recursion using "in order". // Walk up the parent chain looking for a prev for (LTag *p = t; p; p = ToTag(p->Parent)) { // Does this tag have a parent? if (p->Parent) { // Prev? LTag *pp = ToTag(p->Parent); ssize_t Idx = pp->Children.IndexOf(p); LTag *Prev = Idx > 0 ? ToTag(pp->Children[Idx - 1]) : NULL; if (Prev) { LTag *Last = GetLastChild(Prev); return Last ? Last : Prev; } else { return ToTag(p->Parent); } } } return 0; } LTag *LHtml::NextTag(LTag *t) { // This returns the next tag in the tree as if all the tags were // listed via recursion using "in order". // Does this have a child tag? if (t->Children.Length() > 0) { return ToTag(t->Children.First()); } else { // Walk up the parent chain for (LTag *p = t; p; p = ToTag(p->Parent)) { // Does this tag have a next? if (p->Parent) { LTag *pp = ToTag(p->Parent); size_t Idx = pp->Children.IndexOf(p); LTag *Next = pp->Children.Length() > Idx + 1 ? ToTag(pp->Children[Idx + 1]) : NULL; if (Next) { return Next; } } } } return 0; } int LHtml::GetTagDepth(LTag *Tag) { // Returns the depth of the tag in the tree. int n = 0; for (LTag *t = Tag; t; t = ToTag(t->Parent)) { n++; } return n; } bool LHtml::IsCursorFirst() { if (!Cursor || !Selection) return false; return CompareTagPos(Cursor, Cursor->Cursor, Selection, Selection->Selection); } bool LHtml::CompareTagPos(LTag *a, ssize_t AIdx, LTag *b, ssize_t BIdx) { // Returns true if the 'a' is before 'b' point. if (!a || !b) return false; if (a == b) { return AIdx < BIdx; } else { LArray ATree, BTree; for (LTag *t = a; t; t = ToTag(t->Parent)) ATree.AddAt(0, t); for (LTag *t = b; t; t = ToTag(t->Parent)) BTree.AddAt(0, t); ssize_t Depth = MIN(ATree.Length(), BTree.Length()); for (int i=0; i 0); LTag *p = ATree[i-1]; LAssert(BTree[i-1] == p); ssize_t ai = p->Children.IndexOf(at); ssize_t bi = p->Children.IndexOf(bt); return ai < bi; } } } return false; } void LHtml::SetLoadImages(bool i) { if (i ^ GetLoadImages()) { LDocView::SetLoadImages(i); SendNotify(LNotifyShowImagesChanged); if (GetLoadImages() && Tag) { Tag->LoadImages(); } } } char *LHtml::GetSelection() { char *s = 0; if (Cursor && Selection) { LMemQueue p; bool InSelection = false; Tag->CopyClipboard(p, InSelection); int Len = (int)p.GetSize(); if (Len > 0) { char16 *t = (char16*)p.New(sizeof(char16)); if (t) { size_t Len = StrlenW(t); for (int i=0; i &t, LTag *Tag) { t.Add(Tag); for (unsigned i=0; iChildren.Length(); i++) { LTag *c = ToTag(Tag->Children[i]); BuildTagList(t, c); } } static void FormEncode(LStringPipe &p, const char *c) { const char *s = c; while (*c) { while (*c && *c != ' ') c++; if (c > s) { p.Write(s, c - s); c = s; } if (*c == ' ') { p.Write("+", 1); s = c; } else break; } } bool LHtml::OnSubmitForm(LTag *Form) { if (!Form || !Environment) { LAssert(!"Bad param"); return false; } const char *Method = NULL; const char *Action = NULL; if (!Form->Get("method", Method) || !Form->Get("action", Action)) { LAssert(!"Missing form action/method"); return false; } LHashTbl,char*> f; Form->CollectFormValues(f); bool Status = false; if (!_stricmp(Method, "post")) { LStringPipe p(256); bool First = true; // const char *Field; // for (char *Val = f.First(&Field); Val; Val = f.Next(&Field)) for (auto v : f) { if (First) First = false; else p.Write("&", 1); FormEncode(p, v.key); p.Write("=", 1); FormEncode(p, v.value); } LAutoPtr Data(p.NewStr()); Status = Environment->OnPostForm(this, Action, Data); } else if (!_stricmp(Method, "get")) { Status = Environment->OnNavigate(this, Action); } else { LAssert(!"Bad form method."); } f.DeleteArrays(); return Status; } bool LHtml::OnFind(LFindReplaceCommon *Params) { bool Status = false; if (Params) { if (!Params->Find) return Status; d->FindText.Reset(Utf8ToWide(Params->Find)); d->MatchCase = Params->MatchCase; } if (!Cursor) Cursor = Tag; if (Cursor && d->FindText) { LArray Tags; BuildTagList(Tags, Tag); ssize_t Start = Tags.IndexOf(Cursor); for (unsigned i=1; iText()) { char16 *Hit; if (d->MatchCase) Hit = StrstrW(s->Text(), d->FindText); else Hit = StristrW(s->Text(), d->FindText); if (Hit) { // found something... UnSelectAll(); Selection = Cursor = s; Cursor->Cursor = Hit - s->Text(); Selection->Selection = Cursor->Cursor + StrlenW(d->FindText); OnCursorChanged(); if (VScroll) { // Scroll the tag into view... int y = s->AbsY(); int LineY = GetFont()->GetHeight(); int Val = y / LineY; SetVScroll(Val); } Invalidate(); Status = true; break; } } } } return Status; } void LHtml::DoFind(std::function Callback) { LFindDlg *Dlg = new LFindDlg(this, [this](auto dlg, auto action) { OnFind(dlg); }); Dlg->DoModal(NULL); } bool LHtml::OnKey(LKey &k) { bool Status = false; if (k.Down()) { int Dy = 0; int LineY = GetFont()->GetHeight(); int Page = GetClient().Y() / LineY; switch (k.vkey) { case LK_F3: { OnFind(NULL); break; } #ifdef WIN32 case LK_INSERT: goto DoCopy; #endif case LK_UP: { Dy = -1; Status = true; break; } case LK_DOWN: { Dy = 1; Status = true; break; } case LK_PAGEUP: { Dy = -Page; Status = true; break; } case LK_PAGEDOWN: { Dy = Page; Status = true; break; } case LK_HOME: { Dy = (int) (VScroll ? -VScroll->Value() : 0); Status = true; break; } case LK_END: { if (VScroll) { LRange r = VScroll->GetRange(); Dy = (int)(r.End() - Page); } Status = true; break; } default: { switch (k.c16) { case 'f': case 'F': { if (k.CtrlCmd()) { DoFind(NULL); Status = true; } break; } case 'c': case 'C': { #ifdef WIN32 DoCopy: #endif if (k.CtrlCmd()) { Copy(); Status = true; } break; } } break; } } if (Dy && VScroll) SetVScroll(VScroll->Value() + Dy); } return Status; } int LHtml::ScrollY() { return GetFont()->GetHeight() * (VScroll ? (int)VScroll->Value() : 0); } void LHtml::OnMouseClick(LMouse &m) { Capture(m.Down()); SetPulse(m.Down() ? 200 : -1); if (m.Down()) { Focus(true); int Offset = ScrollY(); bool TagProcessedClick = false; LTagHit Hit; if (Tag) { Tag->GetTagByPos(Hit, m.x, m.y + Offset, 0, false, DEBUG_TAG_BY_POS); #if DEBUG_TAG_BY_POS Hit.Dump("MouseClick"); #endif } if (m.Left() && !m.IsContextMenu()) { if (m.Double()) { d->WordSelectMode = true; if (Cursor) { // Extend the selection out to the current word's boundaries. Selection = Cursor; Selection->Selection = Cursor->Cursor; if (Cursor->Text()) { ssize_t Base = Cursor->GetTextStart(); char16 *Text = Cursor->Text() + Base; while (Text[Cursor->Cursor]) { char16 c = Text[Cursor->Cursor]; if (strchr(WordDelim, c) || StrchrW(WhiteW, c)) break; Cursor->Cursor++; } } if (Selection->Text()) { ssize_t Base = Selection->GetTextStart(); char16 *Sel = Selection->Text() + Base; while (Selection->Selection > 0) { char16 c = Sel[Selection->Selection - 1]; if (strchr(WordDelim, c) || StrchrW(WhiteW, c)) break; Selection->Selection--; } } Invalidate(); SendNotify(LNotifySelectionChanged); } } else if (Hit.NearestText) { d->WordSelectMode = false; UnSelectAll(); Cursor = Hit.NearestText; Cursor->Cursor = Hit.Index; #if DEBUG_SELECTION LgiTrace("StartSelect Near='%20S' Idx=%i\n", Hit.NearestText->Text(), Hit.Index); #endif OnCursorChanged(); SendNotify(LNotifySelectionChanged); } else { #if DEBUG_SELECTION LgiTrace("StartSelect no text hit %p, %p\n", Cursor, Selection); #endif } } if (Hit.NearestText && Hit.Near == 0) { TagProcessedClick = Hit.NearestText->OnMouseClick(m); } else if (Hit.Direct) { TagProcessedClick = Hit.Direct->OnMouseClick(m); } #ifdef _DEBUG else if (m.Left() && m.Ctrl()) { LgiMsg(this, "No tag under the cursor.", GetClass()); } #endif if (!TagProcessedClick && m.IsContextMenu()) { LSubMenu RClick; enum ContextMenuCmds { IDM_DUMP = 100, IDM_COPY_SRC, IDM_VIEW_SRC, IDM_EXTERNAL, IDM_COPY, IDM_VIEW_IMAGES, }; #define IDM_CHARSET_BASE 10000 RClick.AppendItem (LLoadString(L_TEXTCTRL_COPY, "Copy"), IDM_COPY, HasSelection()); LMenuItem *Vs = RClick.AppendItem (LLoadString(L_VIEW_SOURCE, "View Source"), IDM_VIEW_SRC, Source != 0); RClick.AppendItem (LLoadString(L_COPY_SOURCE, "Copy Source"), IDM_COPY_SRC, Source != 0); LMenuItem *Load = RClick.AppendItem (LLoadString(L_VIEW_IMAGES, "View External Images"), IDM_VIEW_IMAGES, true); if (Load) Load->Checked(GetLoadImages()); RClick.AppendItem (LLoadString(L_VIEW_IN_DEFAULT_BROWSER, "View in Default Browser"), IDM_EXTERNAL, Source != 0); LSubMenu *Cs = RClick.AppendSub (LLoadString(L_CHANGE_CHARSET, "Change Charset")); if (Cs) { int n=0; for (LCharset *c = LGetCsList(); c->Charset; c++, n++) { Cs->AppendItem(c->Charset, IDM_CHARSET_BASE + n, c->IsAvailable()); } } if (!GetReadOnly() || // Is editor #ifdef _DEBUG 1 #else 0 #endif ) { RClick.AppendSeparator(); RClick.AppendItem("Dump Layout", IDM_DUMP, Tag != 0); } if (Vs) { Vs->Checked(!IsHtml); } if (OnContextMenuCreate(Hit, RClick) && GetMouse(m, true)) { int Id = RClick.Float(this, m.x, m.y); switch (Id) { case IDM_COPY: { Copy(); break; } case IDM_VIEW_SRC: { if (Vs) { DeleteObj(Tag); IsHtml = !IsHtml; ParseDocument(Source); } break; } case IDM_COPY_SRC: { if (Source) { LClipBoard c(this); const char *ViewCs = GetCharset(); if (ViewCs) { LAutoWString w((char16*)LNewConvertCp(LGI_WideCharset, Source, ViewCs)); if (w) c.TextW(w); } else c.Text(Source); } break; } case IDM_VIEW_IMAGES: { SetLoadImages(!GetLoadImages()); break; } case IDM_DUMP: { if (Tag) { LAutoWString s = Tag->DumpW(); if (s) { LClipBoard c(this); c.TextW(s); } } break; } case IDM_EXTERNAL: { if (!Source) { LgiTrace("%s:%i - No HTML source code.\n", _FL); break; } char Path[MAX_PATH_LEN]; if (!LGetSystemPath(LSP_TEMP, Path, sizeof(Path))) { LgiTrace("%s:%i - Failed to get the system path.\n", _FL); break; } char f[32]; sprintf_s(f, sizeof(f), "_%i.html", LRand(1000000)); LMakePath(Path, sizeof(Path), Path, f); LFile F; if (!F.Open(Path, O_WRITE)) { LgiTrace("%s:%i - Failed to open '%s' for writing.\n", _FL, Path); break; } LStringPipe Ex; bool Error = false; F.SetSize(0); LAutoWString SrcMem; const char *ViewCs = GetCharset(); if (ViewCs) SrcMem.Reset((char16*)LNewConvertCp(LGI_WideCharset, Source, ViewCs)); else SrcMem.Reset(Utf8ToWide(Source)); for (char16 *s=SrcMem; s && *s;) { char16 *cid = StristrW(s, L"cid:"); while (cid && !strchr("\'\"", cid[-1])) { cid = StristrW(cid+1, L"cid:"); } if (cid) { char16 Delim = cid[-1]; char16 *e = StrchrW(cid, Delim); if (e) { *e = 0; if (StrchrW(cid, '\n')) { *e = Delim; Error = true; break; } else { char File[MAX_PATH_LEN] = ""; if (Environment) { LDocumentEnv::LoadJob *j = Environment->NewJob(); if (j) { j->Uri.Reset(WideToUtf8(cid)); j->Env = Environment; j->Pref = LDocumentEnv::LoadJob::FmtFilename; j->UserUid = GetDocumentUid(); LDocumentEnv::LoadType Result = Environment->GetContent(j); if (Result == LDocumentEnv::LoadImmediate) { if (j->Filename) strcpy_s(File, sizeof(File), j->Filename); } else if (Result == LDocumentEnv::LoadDeferred) { d->DeferredLoads++; } DeleteObj(j); } } *e = Delim; Ex.Push(s, cid - s); if (File[0]) { char *d; while ((d = strchr(File, '\\'))) { *d = '/'; } Ex.Push(L"file:///"); LAutoWString w(Utf8ToWide(File)); Ex.Push(w); } s = e; } } else { Error = true; break; } } else { Ex.Push(s); break; } } if (!Error) { int64 WideChars = Ex.GetSize() / sizeof(char16); LAutoWString w(Ex.NewStrW()); LAutoString u(WideToUtf8(w, WideChars)); if (u) F.Write(u, strlen(u)); F.Close(); LString Err; if (!LExecute(Path, NULL, NULL, &Err)) { LgiMsg( this, "Failed to open '%s'\n%s", LAppInst ? LAppInst->LBase::Name() : GetClass(), MB_OK, Path, Err.Get()); } } break; } default: { if (Id >= IDM_CHARSET_BASE) { LCharset *c = LGetCsList() + (Id - IDM_CHARSET_BASE); if (c->Charset) { Charset = c->Charset; OverideDocCharset = true; char *Src = Source.Release(); _Delete(); _New(); Source.Reset(Src); ParseDocument(Source); Invalidate(); SendNotify(LNotifyCharsetChanged); } } else { OnContextMenuCommand(Hit, Id); } break; } } } } } else // Up Click { if (Selection && Cursor && Selection == Cursor && Selection->Selection == Cursor->Cursor) { Selection->Selection = -1; Selection = 0; SendNotify(LNotifySelectionChanged); #if DEBUG_SELECTION LgiTrace("NoSelect on release\n"); #endif } } } void LHtml::OnLoad() { d->IsLoaded = true; SendNotify(LNotifyDocLoaded); } LTag *LHtml::GetTagByPos(int x, int y, ssize_t *Index, LPoint *LocalCoords, bool DebugLog) { LTag *Status = NULL; if (Tag) { if (DebugLog) LgiTrace("GetTagByPos starting...\n"); LTagHit Hit; Tag->GetTagByPos(Hit, x, y, 0, DebugLog); if (DebugLog) LgiTrace("GetTagByPos Hit=%s, %i, %i...\n\n", Hit.Direct ? Hit.Direct->Tag.Get() : 0, Hit.Index, Hit.Near); Status = Hit.NearestText && Hit.Near == 0 ? Hit.NearestText : Hit.Direct; if (Hit.NearestText && Hit.Near < 30) { if (Index) *Index = Hit.Index; if (LocalCoords) *LocalCoords = Hit.LocalCoords; } } return Status; } void LHtml::SetVScroll(int64 v) { if (!VScroll) return; if (Tag) Tag->ClearToolTips(); VScroll->Value(v); Invalidate(); } bool LHtml::OnMouseWheel(double Lines) { if (VScroll) SetVScroll(VScroll->Value() + (int64)Lines); return true; } LCursor LHtml::GetCursor(int x, int y) { int Offset = ScrollY(); ssize_t Index = -1; LPoint LocalCoords; LTag *Tag = GetTagByPos(x, y + Offset, &Index, &LocalCoords); if (Tag) { LString Uri; if (LocalCoords.x >= 0 && LocalCoords.y >= 0 && Tag->IsAnchor(&Uri)) { LRect c = GetClient(); c.Offset(-c.x1, -c.y1); if (c.Overlap(x, y) && ValidStr(Uri)) { return LCUR_PointingHand; } } } return LCUR_Normal; } void LTag::ClearToolTips() { if (TipId) { Html->Tip.DeleteTip(TipId); TipId = 0; } for (auto c: Children) ToTag(c)->ClearToolTips(); } void LHtml::OnMouseMove(LMouse &m) { if (!Tag) return; int Offset = ScrollY(); LTagHit Hit; Tag->GetTagByPos(Hit, m.x, m.y + Offset, 0, false); if (!Hit.Direct && !Hit.NearestText) return; LString Uri; LTag *HitTag = Hit.NearestText && Hit.Near == 0 ? Hit.NearestText : Hit.Direct; if (HitTag && HitTag->TipId == 0 && Hit.LocalCoords.x >= 0 && Hit.LocalCoords.y >= 0 && HitTag->IsAnchor(&Uri) && Uri) { if (!Tip.GetParent()) { Tip.Attach(this); } LRect r = HitTag->GetRect(false); r.Offset(0, -Offset); if (!HitTag->TipId) HitTag->TipId = Tip.NewTip(Uri, r); // LgiTrace("NewTip: %s @ %s, ID=%i\n", Uri.Get(), r.GetStr(), HitTag->TipId); } if (IsCapturing() && Cursor && Hit.NearestText) { if (!Selection) { Selection = Cursor; Selection->Selection = Cursor->Cursor; Cursor = Hit.NearestText; Cursor->Cursor = Hit.Index; OnCursorChanged(); Invalidate(); SendNotify(LNotifySelectionChanged); #if DEBUG_SELECTION LgiTrace("CreateSelection '%20S' %i\n", Hit.NearestText->Text(), Hit.Index); #endif } else if ((Cursor != Hit.NearestText) || (Cursor->Cursor != Hit.Index)) { // Move the cursor to track the mouse if (Cursor) { Cursor->Cursor = -1; } Cursor = Hit.NearestText; Cursor->Cursor = Hit.Index; #if DEBUG_SELECTION LgiTrace("ExtendSelection '%20S' %i\n", Hit.NearestText->Text(), Hit.Index); #endif if (d->WordSelectMode && Cursor->Text()) { ssize_t Base = Cursor->GetTextStart(); if (IsCursorFirst()) { // Extend the cursor up the document to include the whole word while (Cursor->Cursor > 0) { char16 c = Cursor->Text()[Base + Cursor->Cursor - 1]; if (strchr(WordDelim, c) || StrchrW(WhiteW, c)) break; Cursor->Cursor--; } } else { // Extend the cursor down the document to include the whole word while (Cursor->Text()[Base + Cursor->Cursor]) { char16 c = Cursor->Text()[Base + Cursor->Cursor]; if (strchr(WordDelim, c) || StrchrW(WhiteW, c)) break; Cursor->Cursor++; } } } OnCursorChanged(); Invalidate(); SendNotify(LNotifySelectionChanged); } } } void LHtml::OnPulse() { if (VScroll && IsCapturing()) { int Fy = DefFont() ? DefFont()->GetHeight() : 16; LMouse m; if (GetMouse(m, false)) { LRect c = GetClient(); int Lines = 0; if (m.y < c.y1) { // Scroll up Lines = (c.y1 - m.y + Fy - 1) / -Fy; } else if (m.y > c.y2) { // Scroll down Lines = (m.y - c.y2 + Fy - 1) / Fy; } if (Lines && VScroll) SetVScroll(VScroll->Value() + Lines); } } } LRect *LHtml::GetCursorPos() { return &d->CursorPos; } void LHtml::SetCursorVis(bool b) { if (d->CursorVis ^ b) { d->CursorVis = b; Invalidate(); } } bool LHtml::GetCursorVis() { return d->CursorVis; } LDom *ElementById(LTag *t, char *id) { if (t && id) { const char *i; if (t->Get("id", i) && _stricmp(i, id) == 0) return t; for (unsigned i=0; iChildren.Length(); i++) { LTag *c = ToTag(t->Children[i]); LDom *n = ElementById(c, id); if (n) return n; } } return 0; } LDom *LHtml::getElementById(char *Id) { return ElementById(Tag, Id); } bool LHtml::GetLinkDoubleClick() { return d->LinkDoubleClick; } void LHtml::SetLinkDoubleClick(bool b) { d->LinkDoubleClick = b; } bool LHtml::GetFormattedContent(const char *MimeType, LString &Out, LArray *Media) { if (!MimeType) { LAssert(!"No MIME type for getting formatted content"); return false; } if (!_stricmp(MimeType, "text/html")) { // We can handle this type... LArray Imgs; if (Media) { // Find all the image tags... Tag->Find(TAG_IMG, Imgs); // Give them CID's if they don't already have them for (unsigned i=0; iGet("src", Src) && !Img->Get("cid", Cid)) { char id[256]; sprintf_s(id, sizeof(id), "%x.%x", (unsigned)LCurrentTime(), (unsigned)LRand()); Img->Set("cid", id); Img->Get("cid", Cid); } if (Src && Cid) { LFile *f = new LFile; if (f) { if (f->Open(Src, O_READ)) { // Add the exported image stream to the media array LDocView::ContentMedia &m = Media->New(); m.Id = Cid; m.Stream.Reset(f); } } } } } // Export the HTML, including the CID's from the first step Out = Name(); } else if (!_stricmp(MimeType, "text/plain")) { // Convert DOM tree down to text instead... LStringPipe p(512); if (Tag) { LTag::TextConvertState State(&p); Tag->ConvertToText(State); } Out = p.NewLStr(); } return false; } void LHtml::OnContent(LDocumentEnv::LoadJob *Res) { if (JobSem.Lock(_FL)) { JobSem.Jobs.Add(Res); JobSem.Unlock(); PostEvent(M_JOBS_LOADED); } } LHtmlElement *LHtml::CreateElement(LHtmlElement *Parent) { return new LTag(this, Parent); } bool LHtml::GetVariant(const char *Name, LVariant &Value, const char *Array) { if (!_stricmp(Name, "supportLists")) // Type: Bool Value = false; else if (!_stricmp(Name, "vml")) // Type: Bool // Vector Markup Language Value = false; else if (!_stricmp(Name, "mso")) // Type: Bool // mso = Microsoft Office Value = false; else return false; return true; } bool LHtml::EvaluateCondition(const char *Cond) { if (!Cond) return true; // This is a really bad attempt at writing an expression evaluator. // I could of course use the scripting language but that would pull // in a fairly large dependency on the HTML control. However user // apps that already have that could reimplement this virtual function // if they feel like it. LArray Str; for (const char *c = Cond; *c; ) { if (IsAlpha(*c)) { Str.Add(LTokStr(c)); } else if (IsWhiteSpace(*c)) { c++; } else { const char *e = c; while (*e && !IsWhiteSpace(*e) && !IsAlpha(*e)) e++; Str.Add(NewStr(c, e - c)); LAssert(e > c); if (e > c) c = e; else break; } } bool Result = true; bool Not = false; for (unsigned i=0; iGetAnchor(Name); if (a) { if (VScroll) { int LineY = GetFont()->GetHeight(); int Ay = a->AbsY(); int Scr = Ay / LineY; SetVScroll(Scr); VScroll->SendNotify(); } else d->OnLoadAnchor.Reset(NewStr(Name)); } } return false; } bool LHtml::GetEmoji() { return d->DecodeEmoji; } void LHtml::SetEmoji(bool i) { d->DecodeEmoji = i; } void LHtml::SetMaxPaintTime(int Ms) { d->MaxPaintTime = Ms; } bool LHtml::GetMaxPaintTimeout() { return d->MaxPaintTimeout; } //////////////////////////////////////////////////////////////////////// class LHtml_Factory : public LViewFactory { LView *NewView(const char *Class, LRect *Pos, const char *Text) { if (_stricmp(Class, "LHtml") == 0) { return new LHtml(-1, 0, 0, 100, 100, new LDefaultDocumentEnv); } return 0; } } LHtml_Factory; ////////////////////////////////////////////////////////////////////// struct BuildContext { LHtmlTableLayout *Layout; LTag *Table; LTag *TBody; LTag *CurTr; LTag *CurTd; int cx, cy; BuildContext() { Layout = NULL; cx = cy = 0; Table = NULL; TBody = NULL; CurTr = NULL; CurTd = NULL; } bool Build(LTag *t, int Depth) { bool RetReattach = false; switch (t->TagId) { case TAG_TABLE: { if (!Table) Table = t; else return false; break; } case TAG_TBODY: { if (TBody) return false; TBody = t; break; } case TAG_TR: { CurTr = t; break; } case TAG_TD: { CurTd = t; if (t->Parent != CurTr) { if ( !CurTr && (Table || TBody) ) { LTag *p = TBody ? TBody : Table; CurTr = new LTag(p->Html, p); if (CurTr) { CurTr->Tag.Reset(NewStr("tr")); CurTr->TagId = TAG_TR; ssize_t Idx = t->Parent->Children.IndexOf(t); t->Parent->Attach(CurTr, Idx); } } if (CurTr) { CurTr->Attach(t); RetReattach = true; } else { LAssert(0); return false; } } t->Cell->Pos.x = cx; t->Cell->Pos.y = cy; Layout->Set(t); break; } default: { if (CurTd == t->Parent) return false; break; } } for (unsigned n=0; nChildren.Length(); n++) { LTag *c = ToTag(t->Children[n]); bool Reattached = Build(c, Depth+1); if (Reattached) n--; } if (t->TagId == TAG_TR) { CurTr = NULL; cy++; cx = 0; Layout->s.y = cy; } if (t->TagId == TAG_TD) { CurTd = NULL; cx += t->Cell->Span.x; Layout->s.x = MAX(cx, Layout->s.x); } return RetReattach; } }; LHtmlTableLayout::LHtmlTableLayout(LTag *table) { Table = table; if (!Table) return; #if 0 BuildContext Ctx; Ctx.Layout = this; Ctx.Build(table, 0); #else int y = 0; LTag *FakeRow = 0; LTag *FakeCell = 0; LTag *r; for (size_t i=0; iChildren.Length(); i++) { r = ToTag(Table->Children[i]); if (r->Display() == LCss::DispNone) continue; if (r->TagId == TAG_TR) { FakeRow = 0; FakeCell = 0; } else if (r->TagId == TAG_TBODY) { ssize_t Index = Table->Children.IndexOf(r); for (size_t n=0; nChildren.Length(); n++) { LTag *t = ToTag(r->Children[n]); Table->Children.AddAt(++Index, t); t->Parent = Table; /* LgiTrace("Moving '%s'(%p) from TBODY(%p) into '%s'(%p)\n", t->Tag, t, r, t->Parent->Tag, t->Parent); */ } r->Children.Length(0); } else { if (!FakeRow) { if ((FakeRow = new LTag(Table->Html, 0))) { FakeRow->Tag.Reset(NewStr("tr")); FakeRow->TagId = TAG_TR; ssize_t Idx = Table->Children.IndexOf(r); Table->Attach(FakeRow, Idx); } } if (FakeRow) { if (!IsTableCell(r->TagId) && !FakeCell) { if ((FakeCell = new LTag(Table->Html, FakeRow))) { FakeCell->Tag.Reset(NewStr("td")); FakeCell->TagId = TAG_TD; if ((FakeCell->Cell = new LTag::TblCell)) { FakeCell->Cell->Span.x = 1; FakeCell->Cell->Span.y = 1; } } } ssize_t Idx = Table->Children.IndexOf(r); r->Detach(); if (IsTableCell(r->TagId)) { FakeRow->Attach(r); } else { LAssert(FakeCell != NULL); FakeCell->Attach(r); } i = Idx - 1; } } } FakeCell = NULL; for (size_t n=0; nChildren.Length(); n++) { LTag *r = ToTag(Table->Children[n]); if (r->TagId == TAG_TR) { int x = 0; for (size_t i=0; iChildren.Length(); i++) { LTag *cell = ToTag(r->Children[i]); if (!IsTableCell(cell->TagId)) { if (!FakeCell) { // Make a fake TD cell FakeCell = new LTag(Table->Html, NULL); FakeCell->Tag.Reset(NewStr("td")); FakeCell->TagId = TAG_TD; if ((FakeCell->Cell = new LTag::TblCell)) { FakeCell->Cell->Span.x = 1; FakeCell->Cell->Span.y = 1; } // Join the fake TD into the TR r->Children[i] = FakeCell; FakeCell->Parent = r; } else { // Not the first non-TD tag, so delete it from the TR. Only the // fake TD will remain in the TR. r->Children.DeleteAt(i--, true); } // Insert the tag into it as a child FakeCell->Children.Add(cell); cell->Parent = FakeCell; cell = FakeCell; } else { FakeCell = NULL; } if (IsTableCell(cell->TagId)) { if (cell->Display() == LCss::DispNone) continue; while (Get(x, y)) { x++; } cell->Cell->Pos.x = x; cell->Cell->Pos.y = y; Set(cell); x += cell->Cell->Span.x; } } y++; FakeCell = NULL; } } #endif } void LHtmlTableLayout::Dump() { int Sx, Sy; GetSize(Sx, Sy); LgiTrace("Table %i x %i cells.\n", Sx, Sy); for (int x=0; xCell->Pos.x, t->Cell->Pos.y, t->Cell->Span.x, t->Cell->Span.y); LgiTrace("%-10s", s); } LgiTrace("\n"); } LgiTrace("\n"); } void LHtmlTableLayout::GetAll(List &All) { LHashTbl, bool> Added; for (size_t y=0; y= (int) c.Length()) return NULL; CellArray &a = c[y]; if (x >= (int) a.Length()) return NULL; return a[x]; } bool LHtmlTableLayout::Set(LTag *t) { if (!t) return false; for (int y=0; yCell->Span.y; y++) { for (int x=0; xCell->Span.x; x++) { // LAssert(!c[y][x]); c[t->Cell->Pos.y + y][t->Cell->Pos.x + x] = t; } } return true; } void LTagHit::Dump(const char *Desc) { LArray d, n; LTag *t = Direct; unsigned i; for (i=0; i<3 && t; t = ToTag(t->Parent), i++) { d.AddAt(0, t); } t = NearestText; for (i=0; i<3 && t; t = ToTag(t->Parent), i++) { n.AddAt(0, t); } LgiTrace("Hit: %s Direct: ", Desc); for (i=0; i%s", d[i]->Tag ? d[i]->Tag.Get() : "CONTENT"); LgiTrace(" Nearest: "); for (i=0; i%s", n[i]->Tag ? n[i]->Tag.Get() : "CONTENT"); LgiTrace(" Local: %ix%i Index: %i Block: %s '%.10S'\n", LocalCoords.x, LocalCoords.y, Index, Block ? Block->GetStr() : NULL, Block ? Block->Text + Index : NULL); } diff --git a/src/common/Text/TextView4.cpp b/src/common/Text/TextView4.cpp --- a/src/common/Text/TextView4.cpp +++ b/src/common/Text/TextView4.cpp @@ -1,5590 +1,5592 @@ #ifdef WIN32 #include #include #endif #include #include #include #include "lgi/common/Lgi.h" #include "lgi/common/TextView4.h" #include "lgi/common/Input.h" #include "lgi/common/ScrollBar.h" #include "lgi/common/ClipBoard.h" #include "lgi/common/DisplayString.h" #include "lgi/common/CssTools.h" #include "lgi/common/LgiRes.h" #include "lgi/common/Mail.h" #include "lgi/common/FileSelect.h" #include "lgi/common/Menu.h" #include "lgi/common/DropFiles.h" #include "ViewPriv.h" #ifdef _DEBUG #define FEATURE_HILIGHT_ALL_MATCHES 1 #else #define FEATURE_HILIGHT_ALL_MATCHES 0 #endif #define DefaultCharset "utf-8" #define SubtractPtr(a, b) ((a) - (b)) #define GDCF_UTF8 -1 #define POUR_DEBUG 0 #define PROFILE_POUR 0 #define PROFILE_PAINT 0 #define DRAW_LINE_BOXES 0 #define WRAP_POUR_TIMEOUT 90 // ms #define PULSE_TIMEOUT 250 // ms #define CURSOR_BLINK 1000 // ms #define IDC_VS 1000 enum Cmds { IDM_COPY_URL = 100, IDM_AUTO_INDENT, IDM_UTF8, IDM_PASTE_NO_CONVERT, IDM_FIXED, IDM_SHOW_WHITE, IDM_HARD_TABS, IDM_INDENT_SIZE, IDM_TAB_SIZE, IDM_DUMP, IDM_RTL, IDM_COPY_ALL, IDM_SELECT_ALL, #ifndef IDM_OPEN IDM_OPEN, #endif #ifndef IDM_NEW IDM_NEW, #endif #ifndef IDM_COPY IDM_COPY, #endif #ifndef IDM_CUT IDM_CUT, #endif #ifndef IDM_PASTE IDM_PASTE, #endif #ifndef IDM_UNDO IDM_UNDO, #endif #ifndef IDM_REDO IDM_REDO, #endif }; #define PAINT_BORDER Back #if DRAW_LINE_BOXES #define PAINT_AFTER_LINE LColour(240, 240, 240) #else #define PAINT_AFTER_LINE Back #endif #define CODEPAGE_BASE 100 #define CONVERT_CODEPAGE_BASE 200 #if !defined(WIN32) && !defined(toupper) #define toupper(c) (((c)>='a'&&(c)<='z') ? (c)-'a'+'A' : (c)) #endif #define THREAD_CHECK() \ if (!InThread()) \ { \ LgiTrace("%s:%i - %s called out of thread.\n", _FL, __FUNCTION__); \ return false; \ } static char SelectWordDelim[] = " \t\n.,()[]<>=?/\\{}\"\';:+=-|!@#$%^&*"; #ifndef WINDOWS static LArray Ctrls; #endif ////////////////////////////////////////////////////////////////////// class LDocFindReplaceParams4 : public LDocFindReplaceParams, public LMutex { public: // Find/Replace History LAutoWString LastFind; LAutoWString LastReplace; bool MatchCase = false; bool MatchWord = false; bool SelectionOnly = false; bool SearchUpwards = false; LDocFindReplaceParams4() : LMutex("LDocFindReplaceParams4") { } }; class LTextView4Private : public LCss, public LMutex { public: LTextView4 *View = NULL; LRect rPadding; int PourX = -1; bool LayoutDirty = true; ssize_t DirtyStart = 0, DirtyLen = 0; LColour UrlColour; bool CenterCursor = false; ssize_t WordSelectMode = -1; LString Eol; LString LastError; // If the scroll position is set before we get a scroll bar, store the index // here and set it when the LNotifyScrollBarCreate arrives. ssize_t VScrollCache = -1; // Find/Replace Params bool OwnFindReplaceParams = true; LDocFindReplaceParams4 *FindReplaceParams = NULL; // Map buffer ssize_t MapLen = 0; char16 *MapBuf = NULL; // // Thread safe Name(char*) impl LString SetName; // #ifdef _DEBUG LString PourLog; #endif LTextView4Private(LTextView4 *view) : LMutex("LTextView4Private") { View = view; UrlColour.Rgb(0, 0, 255); LColour::GetConfigColour("colour.L_URL", UrlColour); rPadding.ZOff(0, 0); FindReplaceParams = new LDocFindReplaceParams4; } ~LTextView4Private() { if (OwnFindReplaceParams) { DeleteObj(FindReplaceParams); } DeleteArray(MapBuf); } void SetDirty(ssize_t Start, ssize_t Len = 0) { LayoutDirty = true; DirtyStart = Start; DirtyLen = Len; } void OnChange(PropType Prop) { if (Prop == LCss::PropPadding || Prop == LCss::PropPaddingLeft || Prop == LCss::PropPaddingRight || Prop == LCss::PropPaddingTop || Prop == LCss::PropPaddingBottom) { LCssTools t(this, View->GetFont()); rPadding.ZOff(0, 0); rPadding = t.ApplyPadding(rPadding); } } }; ////////////////////////////////////////////////////////////////////// enum UndoType { UndoDelete, UndoInsert, UndoChange }; struct Change : public LRange { UndoType Type; LArray Txt; }; struct LTextView4Undo : public LUndoEvent { LTextView4 *View; LArray Changes; LTextView4Undo(LTextView4 *view) { View = view; } void AddChange(ssize_t At, ssize_t Len, UndoType Type) { Change &c = Changes.New(); c.Start = At; c.Len = Len; c.Txt.Add(View->Text + At, Len); c.Type = Type; } void OnChange() { for (auto &c : Changes) { size_t Len = c.Len; if (View->Text) { char16 *t = View->Text + c.Start; for (size_t i=0; id->SetDirty(c.Start, c.Len); } } // LUndoEvent void ApplyChange() { View->UndoOn = false; for (auto &c : Changes) { switch (c.Type) { case UndoInsert: { View->Insert(c.Start, c.Txt.AddressOf(), c.Len); View->Cursor = c.Start + c.Len; break; } case UndoDelete: { View->Delete(c.Start, c.Len); View->Cursor = c.Start; break; } case UndoChange: { OnChange(); break; } } } View->UndoOn = true; View->Invalidate(); } void RemoveChange() { View->UndoOn = false; for (auto &c : Changes) { switch (c.Type) { case UndoInsert: { View->Delete(c.Start, c.Len); break; } case UndoDelete: { View->Insert(c.Start, c.Txt.AddressOf(), c.Len); break; } case UndoChange: { OnChange(); break; } } View->Cursor = c.Start; } View->UndoOn = true; View->Invalidate(); } }; void LTextView4::LStyle::RefreshLayout(size_t Start, ssize_t Len) { View->PourText(Start, Len); View->PourStyle(Start, Len); } ////////////////////////////////////////////////////////////////////// LTextView4::LTextView4( int Id, int x, int y, int cx, int cy, LFontType *FontType) : ResObject(Res_Custom) { // init vars LView::d->Css.Reset(d = new LTextView4Private(this)); TabSize = TAB_SIZE; IndentSize = TAB_SIZE; // setup window SetId(Id); // default options #if WINNATIVE CrLf = true; SetDlgCode(DLGC_WANTALLKEYS); #endif d->Padding(LCss::Len(LCss::LenPx, 2)); // Data Text = new char16[Alloc]; if (Text) *Text = 0; // Display if (FontType) { Font = FontType->Create(); } else { LFontType Type; if (Type.GetSystemFont("Fixed")) Font = Type.Create(); else printf("%s:%i - failed to create font.\n", _FL); } if (Font) { SetTabStop(true); Underline = new LFont; if (Underline) { *Underline = *Font; Underline->Underline(true); if (d->UrlColour.IsValid()) Underline->Fore(d->UrlColour); Underline->Create(); } Bold = new LFont; if (Bold) { *Bold = *Font; Bold->Bold(true); Bold->Create(); } OnFontChange(); } else { LgiTrace("%s:%i - Failed to create font, FontType=%p\n", _FL, FontType); Font = LSysFont; } CursorPos.ZOff(1, LineY-1); CursorPos.Offset(d->rPadding.x1, d->rPadding.y1); LRect r; r.ZOff(cx-1, cy-1); r.Offset(x, y); SetPos(r); LResources::StyleElement(this); } LTextView4::~LTextView4() { #if DEBUG_EDIT_LOG Edits.DeleteObjects(); #endif #ifndef WINDOWS Ctrls.Delete(this); #endif Line.DeleteObjects(); Style.Empty(); DeleteArray(TextCache); DeleteArray(Text); if (Font != LSysFont) DeleteObj(Font); DeleteObj(FixedFont); DeleteObj(Underline); DeleteObj(Bold); // 'd' is owned by the LView::Css auto ptr } char16 *LTextView4::MapText(char16 *Str, ssize_t Len, bool RtlTrailingSpace) { if (ObscurePassword /*|| ShowWhiteSpace*/ || RtlTrailingSpace) { if (Len > d->MapLen) { DeleteArray(d->MapBuf); d->MapBuf = new char16[Len + RtlTrailingSpace]; d->MapLen = Len; } if (d->MapBuf) { int n = 0; if (RtlTrailingSpace) { d->MapBuf[n++] = ' '; for (int i=0; iMapBuf[n++] = Str[i]; } } else if (ObscurePassword) { for (int i=0; iMapBuf[n++] = '*'; } } /* else if (ShowWhiteSpace) { for (int i=0; iMapBuf[n++] = 0xb7; } else if (Str[i] == '\t') { d->MapBuf[n++] = 0x2192; } else { d->MapBuf[n++] = Str[i]; } } } */ return d->MapBuf; } } return Str; } void LTextView4::SetFixedWidthFont(bool i) { if (FixedWidthFont ^ i) { if (i) { LFontType Type; if (Type.GetSystemFont("Fixed")) { LFont *f = FixedFont; FixedFont = Font; Font = f; if (!Font) { Font = Type.Create(); if (Font) { Font->PointSize(FixedFont->PointSize()); } } LDocView::SetFixedWidthFont(i); } } else if (FixedFont) { LFont *f = FixedFont; FixedFont = Font; Font = f; LDocView::SetFixedWidthFont(i); } OnFontChange(); Invalidate(); } } void LTextView4::SetReadOnly(bool i) { LDocView::SetReadOnly(i); #if WINNATIVE SetDlgCode(i ? DLGC_WANTARROWS : DLGC_WANTALLKEYS); #endif } void LTextView4::SetCrLf(bool crlf) { CrLf = crlf; } void LTextView4::SetTabSize(uint8_t i) { TabSize = limit(i, 2, 32); OnFontChange(); OnPosChange(); Invalidate(); } void LTextView4::SetWrapType(LDocWrapType i) { LDocView::SetWrapType(i); CanScrollX = i != L_WRAP_REFLOW; OnPosChange(); Invalidate(); } LFont *LTextView4::GetFont() { return Font; } LFont *LTextView4::GetBold() { return Bold; } void LTextView4::SetFont(LFont *f, bool OwnIt) { if (!f) return; if (OwnIt) { if (Font != LSysFont) DeleteObj(Font); Font = f; } else if (!Font || Font == LSysFont) { Font = new LFont(*f); } else { *Font = *f; } if (Font) { if (!Underline) Underline = new LFont; if (Underline) { *Underline = *Font; Underline->Underline(true); Underline->Create(); if (d->UrlColour.IsValid()) Underline->Fore(d->UrlColour); } if (!Bold) Bold = new LFont; if (Bold) { *Bold = *Font; Bold->Bold(true); Bold->Create(); } } OnFontChange(); } void LTextView4::OnFontChange() { if (Font) { // get line height // int OldLineY = LineY; if (!Font->Handle()) Font->Create(); LineY = Font->GetHeight(); if (LineY < 1) LineY = 1; // get tab size char Spaces[32]; memset(Spaces, 'A', TabSize); Spaces[TabSize] = 0; LDisplayString ds(Font, Spaces); Font->TabSize(ds.X()); // repour doc d->SetDirty(0, Size); // validate blue underline font if (Underline) { *Underline = *Font; Underline->Underline(true); Underline->Create(); } #if WINNATIVE // Set the IME font. HIMC hIMC = ImmGetContext(Handle()); if (hIMC) { COMPOSITIONFORM Cf; Cf.dwStyle = CFS_POINT; Cf.ptCurrentPos.x = CursorPos.x1; Cf.ptCurrentPos.y = CursorPos.y1; LOGFONT FontInfo; GetObject(Font->Handle(), sizeof(FontInfo), &FontInfo); ImmSetCompositionFont(hIMC, &FontInfo); ImmReleaseContext(Handle(), hIMC); } #endif } } LString LTextView4::LogLines() { int Idx = 0; LStringPipe p; p.Print("DocSize: %i\n", (int)Size); for (auto i : Line) { p.Print(" [%i] alloc.ln=%i, %i+%i+%i=%i, %s\n", Idx, i->Line, (int)i->Start, (int)i->Len, i->NewLine, (int)(i->Start + i->Len + i->NewLine), i->r.GetStr()); Idx++; } auto r = p.NewLStr(); LgiTrace(r); #ifdef _DEBUG if (d->PourLog) LgiTrace("%s", d->PourLog.Get()); #endif return r; } bool LTextView4::ValidateLines(bool CheckBox) { size_t Pos = 0; char16 *c = Text; size_t Idx = 0; LTextLine *Prev = NULL; for (auto l: Line) { if (l->Start != Pos) { d->LastError.Printf("%s:%i - Incorrect start.", _FL); goto OnError; } char16 *e = c; if (WrapType == L_WRAP_NONE) { while (*e && *e != '\n') e++; } else { char16 *end = Text + l->Start + l->Len; while (*e && *e != '\n' && e < end) e++; } ssize_t Len = e - c; if (l->Len != Len) { d->LastError.Printf("%s:%i - Incorrect length: " LPrintfSSizeT " != " LPrintfSSizeT ", Idx=" LPrintfSizeT, _FL, l->Len, Len, Idx); goto OnError; } if (CheckBox && Prev && Prev->r.y2 != l->r.y1 - 1) { d->LastError.Printf("%s:%i - Lines not joined vertically", _FL); goto OnError; } if (l->NewLine) { if (*e == '\n') { e++; } else { d->LastError.Printf("%s:%i - Expecting new line.", _FL); goto OnError; } } Pos = e - Text; c = e; Idx++; Prev = l; } if (WrapType == L_WRAP_NONE && Pos != Size) { d->LastError.Printf("%s:%i - Last line != end of doc", _FL); goto OnError; } return true; OnError: #if DEBUG_EDIT_LOG SaveLog("C:\\Code\\TextView4.slog"); #endif return false; } int LTextView4::AdjustStyles(ssize_t Start, ssize_t Diff, bool ExtendStyle) { int Changes = 0; for (auto &s : Style) { if (s.Start == Start) { if (Diff < 0 || ExtendStyle) s.Len += Diff; else s.Start += Diff; Changes++; } else if (s.Start > Start) { s.Start += Diff; Changes++; } } return Changes; } // break array, break out of loop when we hit these chars #define ExitLoop(c) ( (c) == 0 || \ (c) == '\n' || \ (c) == ' ' || \ (c) == '\t' \ ) // extra breaking opportunities #define ExtraBreak(c) ( ( (c) >= 0x3040 && (c) <= 0x30FF ) || \ ( (c) >= 0x3300 && (c) <= 0x9FAF ) \ ) /* Prerequisite: The Line list must have either the objects with the correct Start/Len or be missing the lines altogether... */ void LTextView4::PourText(size_t Start, ssize_t Length /* == 0 means it's a delete */) { #if PROFILE_POUR char _txt[256]; sprintf_s(_txt, sizeof(_txt), "%p::PourText Lines=%i Sz=%i", this, (int)Line.Length(), (int)Size); LProfile Prof(_txt); #endif LAssert(InThread()); LRect Client = GetClient(); int Mx = Client.X() - d->rPadding.x1 - d->rPadding.x2; int Cy = 0; MaxX = 0; ssize_t Idx = -1; LTextLine *Cur = GetTextLine(Start, &Idx); if (!Cur || !Cur->r.Valid()) { // Find the last line that has a valid position... for (int64_t mid, s = 0, e = Idx >= 0 ? Idx : Line.Length() - 1; s < e; ) { if (e - s <= 1) { if (Line[e]->r.Valid()) mid = e; else mid = s; Cur = Line[mid]; Cy = Cur->r.y1; Idx = mid; break; } else mid = s + ((e - s) >> 1); auto sItem = Line[mid]; if (sItem->r.Valid()) s = mid + 1; // Search Mid->e else e = mid - 1; // Search s->Mid } } if (Cur && !Cur->r.Valid()) Cur = NULL; if (Cur) { Cy = Cur->r.y1; Start = Cur->Start; Length = Size - Start; } else { Idx = 0; Start = 0; Length = Size; } if (!Text || !Font || Mx <= 0) return; // Tracking vars ssize_t e; int WrapCol = GetWrapAtCol(); LDisplayString Sp(Font, " ", 1); int WidthOfSpace = Sp.X(); if (WidthOfSpace < 1) { printf("%s:%i - WidthOfSpace test failed.\n", _FL); return; } // Alright... lets pour! uint64 StartTs = LCurrentTime(); if (WrapType == L_WRAP_NONE) { // Find the dimensions of each line that is missing a rect #if PROFILE_POUR Prof.Add("NoWrap: ExistingLines"); #endif #ifdef _DEGBUG LStringPipe Log(1024); Log.Printf("Pour: " LPrintfSizeT ", " LPrintfSSizeT ", partial=%i\n", Start, Length, PartialPour); #endif ssize_t Pos = 0; for (; Idx < (ssize_t)Line.Length(); Idx++) { LTextLine *l = Line[Idx]; #ifdef _DEGBUG Log.Printf(" [%i] exist: r.val=%i\n", Idx, l->r.Valid()); #endif if (!l->r.Valid()) // If the layout is not valid... { LDisplayString ds(Font, Text + l->Start, l->Len); l->r.x1 = d->rPadding.x1; l->r.x2 = l->r.x1 + ds.X(); MaxX = MAX(MaxX, l->r.X()); } // Adjust the y position anyway... it's free. l->r.y1 = Cy; l->r.y2 = l->r.y1 + LineY - 1; Cy = l->r.y2 + 1; Pos = l->Start + l->Len; if (Text[Pos] == '\n') Pos++; } // Now if we are missing lines as well, create them and lay them out #if PROFILE_POUR Prof.Add("NoWrap: NewLines"); #endif while (Pos < Size) { LTextLine *l = new LTextLine(_FL); l->Start = Pos; char16 *c = Text + Pos; char16 *e = c; while (*e && *e != '\n') e++; l->Len = e - c; l->NewLine = *e == '\n'; #ifdef _DEGBUG Log.Printf(" [%i] new: start=" LPrintfSSizeT ", len=" LPrintfSSizeT "\n", Idx, l->Start, l->Len); #endif l->r.x1 = d->rPadding.x1; l->r.y1 = Cy; l->r.y2 = l->r.y1 + LineY - 1; if (l->Len) { LDisplayString ds(Font, Text + l->Start, l->Len); l->r.x2 = l->r.x1 + ds.X(); } else { l->r.x2 = l->r.x1; } LAssert(l->Len > 0); Line.Add(l); if (*e == '\n') e++; MaxX = MAX(MaxX, l->r.X()); Cy = l->r.y2 + 1; Pos = e - Text; Idx++; } #ifdef _DEGBUG d->PourLog = Log.NewLStr(); #endif PartialPour = false; } else // Wrap text { int DisplayStart = ScrollYLine(); int DisplayLines = (Client.Y() + LineY - 1) / LineY; int DisplayEnd = DisplayStart + DisplayLines; // Pouring is split into 2 parts... // 1) pouring to the end of the displayed text. // 2) pouring from there to the end of the document. // potentially taking several goes to complete the full pour // This allows the document to display and edit faster.. bool PourToDisplayEnd = Line.Length() < DisplayEnd; #if 0 LgiTrace("Idx=%i, DisplayStart=%i, DisplayLines=%i, DisplayEnd=%i, PourToDisplayEnd=%i\n", Idx, DisplayStart, DisplayLines, DisplayEnd, PourToDisplayEnd); #endif if ((ssize_t)Line.Length() > Idx) { for (size_t i=Idx; i= Size || Text[e] == '\n' || (e-i) >= WrapCol) { break; } e++; } // Seek back some characters if we are mid word size_t OldE = e; if (e < Size && Text[e] != '\n') { while (e > i) { if (ExitLoop(Text[e]) || ExtraBreak(Text[e])) { break; } e--; } } if (e == i) { // No line break at all, so seek forward instead for (e=OldE; e < Size && Text[e] != '\n'; e++) { if (ExitLoop(Text[e]) || ExtraBreak(Text[e])) break; } } // Calc the width LDisplayString ds(Font, Text + i, e - i); Width = ds.X(); } else { // Wrap to edge of screen ssize_t PrevExitChar = -1; int PrevX = -1; while (true) { if (e >= Size || ExitLoop(Text[e]) || ExtraBreak(Text[e])) { LDisplayString ds(Font, Text + i, e - i); if (ds.X() + Cx > Mx) { if (PrevExitChar > 0) { e = PrevExitChar; Width = PrevX; } else { Width = ds.X(); } break; } else if (e >= Size || Text[e] == '\n') { Width = ds.X(); break; } PrevExitChar = e; PrevX = ds.X(); } e++; } } // Create layout line LTextLine *l = new LTextLine(_FL); if (l) { l->Start = i; l->Len = e - i; l->NewLine = Text[e] == '\n'; l->r.x1 = d->rPadding.x1; l->r.x2 = l->r.x1 + Width - 1; l->r.y1 = Cy; l->r.y2 = l->r.y1 + LineY - 1; LAssert(l->Len > 0); Line.Add(l); if (PourToDisplayEnd) { if (Line.Length() > DisplayEnd) { // We have reached the end of the displayed area... so // exit out temporarily to display the layout to the user PartialPour = true; break; } } else { // Otherwise check if we are taking too long... if (Line.Length() % 20 == 0) { uint64 Now = LCurrentTime(); if (Now - StartTs > WRAP_POUR_TIMEOUT) { PartialPour = true; // LgiTrace("Pour timeout...\n"); break; } } } MaxX = MAX(MaxX, l->r.X()); Cy += LineY; if (e < Size) e++; } } if (i >= Size) PartialPour = false; SendNotify(LNotifyCursorChanged); } #ifdef _DEBUG ValidateLines(true); #endif #if PROFILE_POUR Prof.Add("LastLine"); #endif if (!PartialPour) { auto It = Line.rbegin(); LTextLine *Last = It != Line.end() ? *It : NULL; if (!Last || Last->EndNewLine() < Size) { auto LastEnd = Last ? Last->End() : 0; LTextLine *l = new LTextLine(_FL); if (l) { l->Start = LastEnd; l->Len = Size - LastEnd; l->r.x1 = l->r.x2 = d->rPadding.x1; l->r.y1 = Cy; l->r.y2 = l->r.y1 + LineY - 1; Line.Add(l); MaxX = MAX(MaxX, l->r.X()); Cy += LineY; } } } bool ScrollYNeeded = Client.Y() < (Line.Length() * LineY); bool ScrollChange = ScrollYNeeded ^ (VScroll != NULL); d->LayoutDirty = WrapType != L_WRAP_NONE && ScrollChange; #if PROFILE_POUR static LString _s; _s.Printf("ScrollBars dirty=%i", d->LayoutDirty); Prof.Add(_s); #endif if (ScrollChange) { // LgiTrace("%s:%i - SetScrollBars(%i) %i %i\n", _FL, ScrollYNeeded, Client.Y(), (Line.Length() * LineY)); SetScrollBars(false, ScrollYNeeded); } UpdateScrollBars(); #if 0 // def _DEBUG if (GetWindow()) { static char s[256]; sprintf_s(s, sizeof(s), "Pour: %.2f sec", (double)_PourTime / 1000); GetWindow()->PostEvent(M_TEXTVIEW_DEBUG_TEXT, (LMessage::Param)s); } #endif #if POUR_DEBUG printf("Lines=%i\n", Line.Length()); int Index = 0; for (LTextLine *l=Line.First(); l; l=Line.Next(), Index++) { printf("\t[%i] %i,%i (%s)\n", Index, l->Start, l->Len, l->r.Describe()); } #endif } bool LTextView4::InsertStyle(LAutoPtr s) { if (!s) return false; LAssert(s->Start >= 0); LAssert(s->Len > 0); ssize_t Last = 0; // int n = 0; // LgiTrace("StartStyle=%i,%i(%i) %s\n", (int)s->Start, (int)s->Len, (int)(s->Start+s->Len), s->Fore.GetStr()); if (Style.Length() > 0) { // Optimize for last in the list auto Last = Style.rbegin(); if (s->Start >= (ssize_t)Last->End()) { Style.Insert(*s); return true; } } for (auto i = Style.begin(); i != Style.end(); i++) { if (s->Overlap(*i)) { if (s->Owner > i->Owner) { // Fail the insert return false; } else { // Replace mode... *i = *s; return true; } } if (s->Start >= Last && s->Start < i->Start) { Style.Insert(*s, i); return true; } } Style.Insert(*s); return true; } LTextView4::LStyle *LTextView4::GetNextStyle(StyleIter &s, ssize_t Where) { if (Where >= 0) s = Style.begin(); else s++; while (s != Style.end()) { // determine whether style is relevant.. // styles in the selected region are ignored ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd); if (SelStart >= 0 && s->Start >= Min && s->Start+s->Len < Max) { // style is completely inside selection: ignore s++; } else if (Where >= 0 && s->Start+s->Len < Where) { s++; } else { return &(*s); } } return NULL; } #if 0 CURSOR_CHAR GetCursor() { #ifdef WIN32 LArray Ver; int Os = LGetOs(&Ver); if ((Os == LGI_OS_WIN32 || Os == LGI_OS_WIN64) && Ver[0] >= 5) { return MAKEINTRESOURCE(32649); // hand } else { return IDC_ARROW; } #endif return 0; } #endif LTextView4::LStyle *LTextView4::HitStyle(ssize_t i) { for (auto &s : Style) { if (i >= s.Start && i < (ssize_t)s.End()) { return &s; } } return NULL; } void LTextView4::PourStyle(size_t Start, ssize_t EditSize) { #ifdef _DEBUG int64 StartTime = LCurrentTime(); #endif LAssert(InThread()); if (!Text || Size < 1) return; ssize_t Length = MAX(EditSize, 0); if ((ssize_t)Start + Length >= Size) Length = Size - Start; // For deletes, this sizes the edit length within bounds. // Expand re-style are to word boundaries before and after the area of change while (Start > 0 && UrlChar(Text[Start-1])) { // Move the start back Start--; Length++; } while ((ssize_t)Start + Length < Size && UrlChar(Text[Start+Length])) { // Move the end back Length++; } // Delete all the styles that we own inside the changed area for (StyleIter s = Style.begin(); s != Style.end();) { if (s->Owner == STYLE_NONE) { if (EditSize > 0) { if (s->Overlap(Start, EditSize < 0 ? -EditSize : EditSize)) { Style.Delete(s); continue; } } else { if (s->Overlap(Start, -EditSize)) { Style.Delete(s); continue; } } } s++; } if (UrlDetect) { LArray Links; LAssert((ssize_t)Start + Length <= Size); if (LDetectLinks(Links, Text + Start, Length)) { for (uint32_t i=0; i Url(new LStyle(STYLE_URL)); if (Url) { Url->View = this; Url->Start = Inf.Start + Start; Url->Len = Inf.Len; Url->Font = Underline; Url->Fore = d->UrlColour; InsertStyle(Url); } } } } #ifdef _DEBUG _StyleTime = LCurrentTime() - StartTime; #endif } bool LTextView4::Insert(size_t At, const char16 *Data, ssize_t Len) { static int count = -1; count++; #if DEBUG_EDIT_LOG { EditLog *e = new EditLog; e->Length = Len; e->Type = EditInsert; e->Str.Add(Data, Len); Edits.Add(e); } #endif #if 0 LProfile Prof("LTextView4::Insert"); Prof.HideResultsIfBelow(1000); #define PROF(s) Prof.Add(s) #else #define PROF(s) #endif LAssert(InThread()); if (!ReadOnly && Len > 0) { if (!Data) return false; // limit input to valid data At = MIN(Size, (ssize_t)At); // make sure we have enough memory size_t NewAlloc = Size + Len + 1; NewAlloc += ALLOC_BLOCK - (NewAlloc % ALLOC_BLOCK); if (NewAlloc != Alloc) { char16 *NewText = new char16[NewAlloc]; if (NewText) { if (Text) { // copy any existing data across memcpy(NewText, Text, (Size + 1) * sizeof(char16)); } DeleteArray(Text); Text = NewText; Alloc = NewAlloc; } else { // memory allocation error return false; } } PROF("MemChk"); if (Text) { // Insert the data // Move the section after the insert to make space... auto After = Size - At; if (After > 0) memmove(Text+(At+Len), Text+At, After * sizeof(char16)); PROF("Cpy"); // Copy new data in... memcpy(Text+At, Data, Len * sizeof(char16)); Size += Len; Text[Size] = 0; // NULL terminate PROF("Undo"); // Add the undo object... if (UndoOn) { LAutoPtr Obj; if (!UndoCur) Obj.Reset(new LTextView4Undo(this)); auto u = UndoCur ? UndoCur : Obj; if (u) u->AddChange(At, Len, UndoInsert); else LAssert(!"No undo obj?"); if (Obj) UndoQue += Obj.Release(); } // Clear layout info for the new text ssize_t Idx = -1; LTextLine *Cur = NULL; if (Line.Length() == 0) { // Empty doc... set up the first line Line.Add(Cur = new LTextLine(_FL)); Idx = 0; Cur->Start = 0; } else { Cur = GetTextLine(At, &Idx); } if (Cur) { if (WrapType == L_WRAP_NONE) { // Clear layout for current line... Cur->r.ZOff(-1, -1); PROF("NoWrap add lines"); LgiTrace("Insert '%S' at %i, size=%i\n", Data, (int)At, (int)Size); // Add any new lines that we need... char16 *e = Text + At + Len; char16 *c; for (c = Text + At; c < e; c++) { if (*c == '\n') { // Set the size of the current line... size_t Pos = c - Text; Cur->Len = Pos - Cur->Start; Cur->NewLine = true; LgiTrace(" LF at %i, Idx=%i\n", (int)Pos, (int)Idx); if (!*++c) { Cur = NULL; break; } // Create a new line... Cur = new LTextLine(_FL); if (!Cur) return false; Cur->Start = c - Text; Line.AddAt(++Idx, Cur); LgiTrace(" newLine at %i, Idx=%i\n", (int)Cur->Start, Idx); } } PROF("CalcLen"); if (Cur) { // Make sure the last Line's length is set.. Cur->CalcLen(Text); LgiTrace(" CalcLen, size=%i, start=%i, len=%i\n", (int)Size, (int)Cur->Start, (int)Cur->Len); } PROF("UpdatePos"); // Now update all the positions of the following lines... for (size_t i = ++Idx; i < Line.Length(); i++) Line[i]->Start += Len; } else { // Clear all lines to the end of the doc... LgiTrace("ClearLines %i\n", (int)Idx+1); for (size_t i = ++Idx; i < Line.Length(); i++) delete Line[i]; Line.Length(Idx); } } else { // If wrap is on then this can happen when an Insert happens before the // OnPulse event has laid out the new text. Probably not a good thing in // non-wrap mode if (WrapType == L_WRAP_NONE) { LTextLine *l = *Line.rbegin(); printf("%s:%i - Insert error: no cur, At=%i, Size=%i, Lines=%i, WrapType=%i\n", _FL, (int)At, (int)Size, (int)Line.Length(), (int)WrapType); if (l) printf("Last=%i, %i\n", (int)l->Start, (int)l->Len); } } #ifdef _DEBUG PROF("Validate"); ValidateLines(); #endif if (AdjustStylePos) AdjustStyles(At, Len); Dirty = true; if (PourEnabled) { PROF("PourText"); PourText(At, Len); PROF("PourStyle"); auto Start = LCurrentTime(); PourStyle(At, Len); auto End = LCurrentTime(); if (End - Start > 1000) { PourStyle(At, Len); } } SendNotify(LNotifyDocChanged); return true; } } return false; } bool LTextView4::Delete(size_t At, ssize_t Len) { bool Status = false; LAssert(InThread()); if (!ReadOnly) { // limit input At = MAX(At, 0); At = MIN((ssize_t)At, Size); Len = MIN(Size-(ssize_t)At, Len); if (Len > 0) { int HasNewLine = 0; for (int i=0; i Obj(new LTextView4Undo(this)); LTextView4Undo *u = UndoCur ? UndoCur : Obj; if (u) u->AddChange(At, Len, UndoDelete); if (Obj) UndoQue += Obj.Release(); } memmove(Text+At, Text+(At+Len), (Size-At-Len) * sizeof(char16)); Size -= Len; Text[Size] = 0; if (WrapType == L_WRAP_NONE) { ssize_t Idx = -1; LTextLine *Cur = GetTextLine(At, &Idx); if (Cur) { Cur->r.ZOff(-1, -1); // Delete some lines... for (int i=0; iCalcLen(Text); // Shift all further lines down... for (size_t i = Idx + 1; i < Line.Length(); i++) Line[i]->Start -= Len; } } else { ssize_t Index; LTextLine *Cur = GetTextLine(At, &Index); if (Cur) { for (size_t i = Index; i < Line.Length(); i++) delete Line[i]; Line.Length(Index); } } Dirty = true; Status = true; #ifdef _DEBUG ValidateLines(); #endif if (AdjustStylePos) AdjustStyles(At, -Len); if (PourEnabled) { PourText(At, -Len); PourStyle(At, -Len); } if (Cursor >= (ssize_t)At && Cursor <= (ssize_t)At + Len) { SetCaret(At, false, HasNewLine != 0); } // Handle repainting in flowed mode, when the line starts change if (WrapType == L_WRAP_REFLOW) { ssize_t Index; LTextLine *Cur = GetTextLine(At, &Index); if (Cur) { LRect r = Cur->r; r.x2 = GetClient().x2; r.y2 = GetClient().y2; Invalidate(&r); } } SendNotify(LNotifyDocChanged); Status = true; } } return Status; } void LTextView4::DeleteSelection(char16 **Cut) { if (SelStart >= 0) { ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd); if (Cut) { *Cut = NewStrW(Text + Min, Max - Min); } Delete(Min, Max - Min); SetCaret(Min, false, true); } } LArray::I LTextView4::GetTextLineIt(ssize_t Offset, ssize_t *Index) { if (Line.Length() == 0) { if (Index) *Index = 0; return Line.end(); } if (Offset <= 0) { if (Index) *Index = 0; return Line.begin(); } else if (Line.Length()) { auto l = Line.Last(); if (Offset > l->End()) { if (Index) *Index = Line.Length() - 1; return Line.begin(Line.Length()-1); } } size_t mid = 0, s = 0, e = Line.Length() - 1; while (s < e) { if (e - s <= 1) { if (Line[s]->Overlap(Offset)) mid = s; else if (Line[e]->Overlap(Offset)) mid = e; else goto OnError; } else mid = s + ((e - s) >> 1); auto l = Line[mid]; auto end = l->EndNewLine(); if (Offset < l->Start) e = mid - 1; else if (Offset > end) s = mid + 1; else { if (!Line[mid]->Overlap(Offset)) goto OnError; if (Index) *Index = mid; return Line.begin(mid); } } if (!Line[s]->Overlap(Offset)) goto OnError; if (Index) *Index = s; return Line.begin(s); OnError: return Line.end(); } int64 LTextView4::Value() { auto n = Name(); #ifdef _MSC_VER return (n) ? _atoi64(n) : 0; #else return (n) ? atoll(n) : 0; #endif } void LTextView4::Value(int64 i) { char Str[32]; sprintf_s(Str, sizeof(Str), LPrintfInt64, i); Name(Str); } LString LTextView4::operator[](ssize_t LineIdx) { if (LineIdx <= 0 || LineIdx > (ssize_t)GetLines()) return LString(); LTextLine *Ln = Line[LineIdx-1]; if (!Ln) return LString(); LString s(Text + Ln->Start, Ln->Len); return s; } const char *LTextView4::Name() { UndoQue.Empty(); DeleteArray(TextCache); TextCache = WideToUtf8(Text); return TextCache; } bool LTextView4::Name(const char *s) { if (InThread()) { UndoQue.Empty(); DeleteArray(TextCache); DeleteArray(Text); Line.DeleteObjects(); Style.Empty(); LAssert(LIsUtf8(s)); Text = Utf8ToWide(s); if (!Text) { Text = new char16[1]; if (Text) *Text = 0; } Size = Text ? StrlenW(Text) : 0; Alloc = Size + 1; Cursor = MIN(Cursor, Size); if (Text) { // Remove '\r's char16 *o = Text; for (char16 *i=Text; *i; i++) { if (*i != '\r') { *o++ = *i; } else Size--; } *o++ = 0; } // update everything else d->SetDirty(0, Size); PourText(0, Size); PourStyle(0, Size); UpdateScrollBars(); Invalidate(); } else if (d->Lock(_FL)) { if (IsAttached()) { d->SetName = s; PostEvent(M_TEXT_UPDATE_NAME); } else LAssert(!"Can't post event to detached/virtual window."); d->Unlock(); } return true; } const char16 *LTextView4::NameW() { return Text; } bool LTextView4::NameW(const char16 *s) { DeleteArray(Text); Size = s ? StrlenW(s) : 0; Alloc = Size + 1; Text = new char16[Alloc]; Cursor = MIN(Cursor, Size); if (Text) { memcpy(Text, s, Size * sizeof(char16)); // remove LF's int In = 0, Out = 0; CrLf = false; for (; InSetDirty(0, Size); PourText(0, Size); PourStyle(0, Size); UpdateScrollBars(); Invalidate(); return true; } LRange LTextView4::GetSelectionRange() { LRange r; if (HasSelection()) { r.Start = MIN(SelStart, SelEnd); ssize_t End = MAX(SelStart, SelEnd); r.Len = End - r.Start; } return r; } char *LTextView4::GetSelection() { LRange s = GetSelectionRange(); if (s.Len > 0) { return (char*)LNewConvertCp("utf-8", Text + s.Start, LGI_WideCharset, s.Len*sizeof(Text[0]) ); } return 0; } bool LTextView4::HasSelection() { return (SelStart >= 0) && (SelStart != SelEnd); } void LTextView4::SelectAll() { SelStart = 0; SelEnd = Size; Invalidate(); } void LTextView4::UnSelectAll() { bool Update = HasSelection(); SelStart = -1; SelEnd = -1; if (Update) { Invalidate(); } } size_t LTextView4::GetLines() { return Line.Length(); } void LTextView4::GetTextExtent(int &x, int &y) { PourText(0, Size); x = MaxX + d->rPadding.x1; y = (int)(Line.Length() * LineY); } bool LTextView4::GetLineColumnAtIndex(LPoint &Pt, ssize_t Index) { ssize_t FromIndex = 0; LTextLine *From = GetTextLine(Index < 0 ? Cursor : Index, &FromIndex); if (!From) return false; Pt.x = (int) (Cursor - From->Start); Pt.y = (int) FromIndex; return true; } ssize_t LTextView4::GetCaret(bool Cur) { if (Cur) { return Cursor; } return 0; } ssize_t LTextView4::IndexAt(int x, int y) { LTextLine *l = Line.ItemAt(y); if (l) { return l->Start + MIN(x, l->Len); } return 0; } bool LTextView4::ScrollToOffset(size_t Off) { bool ForceFullUpdate = false; ssize_t ToIndex = 0; LTextLine *To = GetTextLine(Off, &ToIndex); if (To) { LRect Client = GetClient(); int DisplayLines = Client.Y() / LineY; if (VScroll) { if (ToIndex < VScroll->Value()) { // Above the visible region... if (d->CenterCursor) { ssize_t i = ToIndex - (DisplayLines >> 1); VScroll->Value(MAX(0, i)); } else { VScroll->Value(ToIndex); } ForceFullUpdate = true; } if (ToIndex >= VScroll->Value() + DisplayLines) { int YOff = d->CenterCursor ? DisplayLines >> 1 : DisplayLines; ssize_t v = MIN(ToIndex - YOff + 1, (ssize_t)Line.Length() - DisplayLines); if (v != VScroll->Value()) { // Below the visible region VScroll->Value(v); ForceFullUpdate = true; } } } else { d->VScrollCache = ToIndex; } } return ForceFullUpdate; } void LTextView4::SetCaret(size_t i, bool Select, bool ForceFullUpdate) { // int _Start = LCurrentTime(); Blink = true; // Bound the new cursor position to the document if ((ssize_t)i > Size) i = Size; // Store the old selection and cursor ssize_t s = SelStart, e = SelEnd, c = Cursor; // If there is going to be a selected area if (Select && i != SelStart) { // Then set the start if (SelStart < 0) { // We are starting a new selection SelStart = Cursor; } // And end SelEnd = i; } else { // Clear the selection SelStart = SelEnd = -1; } ssize_t FromIndex = 0; LTextLine *From = GetTextLine(Cursor, &FromIndex); Cursor = i; // check the cursor is on the screen ForceFullUpdate |= ScrollToOffset(Cursor); // check whether we need to update the screen ssize_t ToIndex = 0; LTextLine *To = GetTextLine(Cursor, &ToIndex); if (ForceFullUpdate || !To || !From) { // need full update Invalidate(); } else if ( ( SelStart != s || SelEnd != e ) ) { // Update just the selection bounds LRect Client = GetClient(); size_t Start, End; if (SelStart >= 0 && s >= 0) { // Selection has changed, union the before and after regions Start = MIN(Cursor, c); End = MAX(Cursor, c); } else if (SelStart >= 0) { // Selection created... Start = MIN(SelStart, SelEnd); End = MAX(SelStart, SelEnd); } else if (s >= 0) { // Selection removed... Start = MIN(s, e); End = MAX(s, e); } else return; LTextLine *SLine = GetTextLine(Start); LTextLine *ELine = GetTextLine(End); LRect u; if (SLine && ELine) { if (SLine->r.Valid()) { u = DocToScreen(SLine->r); } else u.Set(0, 0, Client.X()-1, 1); // Start of visible page LRect b(0, Client.Y()-1, Client.X()-1, Client.Y()-1); if (ELine->r.Valid()) { b = DocToScreen(ELine->r); } else { b.Set(0, Client.Y()-1, Client.X()-1, Client.Y()-1); } u.Union(&b); u.x1 = 0; u.x2 = X(); } else { /* printf("%s,%i - Couldn't get SLine and ELine: %i->%p, %i->%p\n", _FL, (int)Start, SLine, (int)End, ELine); */ u = Client; } Invalidate(&u); } else if (Cursor != c) { // just the cursor has moved // update the line the cursor moved to LRect r = To->r; r.Offset(-ScrollX, d->rPadding.y1-DocOffset); r.x2 = X(); Invalidate(&r); if (To != From) { // update the line the cursor came from, // if it's a different line from the "to" r = From->r; r.Offset(-ScrollX, d->rPadding.y1-DocOffset); r.x2 = X(); Invalidate(&r); } } if (c != Cursor) { // Send off notify SendNotify(LNotifyCursorChanged); } //int _Time = LCurrentTime() - _Start; //printf("Setcursor=%ims\n", _Time); } void LTextView4::SetBorder(int b) { } bool LTextView4::Cut() { bool Status = false; char16 *Txt16 = 0; DeleteSelection(&Txt16); if (Txt16) { #ifdef WIN32 Txt16 = ConvertToCrLf(Txt16); #endif char *Txt8 = (char*)LNewConvertCp(LAnsiToLgiCp(), Txt16, LGI_WideCharset); LClipBoard Clip(this); Clip.Text(Txt8); Status = Clip.TextW(Txt16, false); DeleteArray(Txt8); DeleteArray(Txt16); } return Status; } bool LTextView4::Copy() { bool Status = true; if (SelStart >= 0) { ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd); #ifdef WIN32 char16 *Txt16 = NewStrW(Text+Min, Max-Min); Txt16 = ConvertToCrLf(Txt16); char *Txt8 = (char*)LNewConvertCp(LAnsiToLgiCp(), Txt16, LGI_WideCharset); #else char *Txt8 = (char*)LNewConvertCp("utf-8", Text+Min, LGI_WideCharset, (Max-Min)*sizeof(*Text)); #endif LClipBoard Clip(this); Clip.Text(Txt8); #ifdef WIN32 Clip.TextW(Txt16, false); DeleteArray(Txt16); #endif DeleteArray(Txt8); } else LgiTrace("%s:%i - No selection.\n", _FL); return Status; } bool LTextView4::Paste() { LClipBoard Clip(this); LAutoWString Mem; char16 *t = Clip.TextW(); if (!t) // ala Win9x { char *s = Clip.Text(); if (s) { Mem.Reset(Utf8ToWide(s)); t = Mem; } } if (!t) return false; if (SelStart >= 0) { DeleteSelection(); } // remove '\r's char16 *s = t, *d = t; for (; *s; s++) { if (*s != '\r') { *d++ = *s; } } *d++ = 0; // insert text ssize_t Len = StrlenW(t); Insert(Cursor, t, Len); SetCaret(Cursor+Len, false, true); // Multiline return true; } void LTextView4::ClearDirty(std::function OnStatus, bool Ask, const char *FileName) { if (Dirty) { int Answer = (Ask) ? LgiMsg(this, LLoadString(L_TEXTCTRL_ASK_SAVE, "Do you want to save your changes to this document?"), LLoadString(L_TEXTCTRL_SAVE, "Save"), MB_YESNOCANCEL) : IDYES; if (Answer == IDYES) { auto DoSave = [this, OnStatus](bool ok, const char *FileName) { Save(FileName); if (OnStatus) OnStatus(ok); }; if (!FileName) { LFileSelect *Select = new LFileSelect; Select->Parent(this); Select->Save([FileName=LString(FileName), DoSave](auto Select, auto ok) { if (ok) DoSave(ok, Select->Name()); else DoSave(ok, FileName); delete Select; }); } else DoSave(true, FileName); } else if (Answer == IDCANCEL) { if (OnStatus) OnStatus(false); return; } } if (OnStatus) OnStatus(true); } bool LTextView4::Open(const char *Name, const char *CharSet) { bool Status = false; LFile f; if (f.Open(Name, O_READ|O_SHARE)) { DeleteArray(Text); int64 Bytes = f.GetSize(); if (Bytes < 0 || Bytes & 0xffff000000000000LL) { LgiTrace("%s:%i - Invalid file size: " LPrintfInt64 "\n", _FL, Bytes); return false; } SetCaret(0, false); Line.DeleteObjects(); char *c8 = new char[Bytes + 4]; if (c8) { if (f.Read(c8, (int)Bytes) == Bytes) { char *DataStart = c8; c8[Bytes] = 0; c8[Bytes+1] = 0; c8[Bytes+2] = 0; c8[Bytes+3] = 0; if ((uchar)c8[0] == 0xff && (uchar)c8[1] == 0xfe) { // utf-16 if (!CharSet) { CharSet = "utf-16"; DataStart += 2; } } // Convert to unicode first.... if (Bytes == 0) { Text = new char16[1]; if (Text) Text[0] = 0; } else { Text = (char16*)LNewConvertCp(LGI_WideCharset, DataStart, CharSet ? CharSet : DefaultCharset); } if (Text) { // Remove LF's char16 *In = Text, *Out = Text; CrLf = false; Size = 0; while (*In) { if (*In >= ' ' || *In == '\t' || *In == '\n') { *Out++ = *In; Size++; } else if (*In == '\r') { CrLf = true; } In++; } Size = (int) (Out - Text); *Out = 0; Alloc = Size + 1; Dirty = false; if (Text && Text[0] == 0xfeff) // unicode byte order mark { memmove(Text, Text+1, Size * sizeof(*Text)); Size--; } PourText(0, Size); PourStyle(0, Size); UpdateScrollBars(true); Status = true; } } DeleteArray(c8); } else { Alloc = Size = 0; } Invalidate(); } return Status; } template bool WriteToStream(LFile &out, T *in, size_t len, bool CrLf) { if (!in) return false; if (CrLf) { int BufLen = 1 << 20; LAutoPtr Buf(new T[BufLen]); T *b = Buf; T *e = Buf + BufLen; T *c = in; T *end = c + len; while (c < end) { if (b > e - 16) { auto Bytes = (b - Buf) * sizeof(T); if (out.Write(Buf, Bytes) != Bytes) return false; b = Buf; } if (*c == '\n') { *b++ = '\r'; *b++ = '\n'; } else { *b++ = *c; } c++; } auto Bytes = (b - Buf) * sizeof(T); if (out.Write(Buf, Bytes) != Bytes) return false; } else { auto Bytes = len * sizeof(T); if (out.Write(in, Bytes) != Bytes) return false; } return true; } bool LTextView4::Save(const char *Name, const char *CharSet) { LFile f; LString TmpName; bool Status = false; d->LastError.Empty(); if (f.Open(Name, O_WRITE)) { if (f.SetSize(0) != 0) { // Can't resize file, fall back to renaming it and // writing a new file... f.Close(); TmpName = Name; TmpName += ".tmp"; if (!FileDev->Move(Name, TmpName)) { LgiTrace("%s:%i - Failed to move '%s'.\n", _FL, Name); return false; } if (!f.Open(Name, O_WRITE)) { LgiTrace("%s:%i - Failed to open '%s' for writing.\n", _FL, Name); return false; } } if (Text) { auto InSize = Size * sizeof(char16); if (CharSet && !Stricmp(CharSet, "utf-16")) { if (sizeof(*Text) == 2) { // No conversion needed... Status = WriteToStream(f, Text, Size, CrLf); } else { // 32->16 convert LAutoPtr c16((uint16_t*)LNewConvertCp(CharSet, Text, LGI_WideCharset, InSize)); if (c16) Status = WriteToStream(f, c16.Get(), Strlen(c16.Get()), CrLf); } } else if (CharSet && !Stricmp(CharSet, "utf-32")) { if (sizeof(*Text) == 4) { // No conversion needed... Status = WriteToStream(f, Text, Size, CrLf); } else { // 16->32 convert LAutoPtr c32((uint32_t*)LNewConvertCp(CharSet, Text, LGI_WideCharset, InSize)); if (c32) Status = WriteToStream(f, c32.Get(), Strlen(c32.Get()), CrLf); } } else { LAutoString c8((char*)LNewConvertCp(CharSet ? CharSet : DefaultCharset, Text, LGI_WideCharset, InSize)); if (c8) Status = WriteToStream(f, c8.Get(), strlen(c8), CrLf); } if (Status) Dirty = false; } } else { int Err = f.GetError(); LString sErr = LErrorCodeToString(Err); d->LastError.Printf("Failed to open '%s' for writing: %i - %s\n", Name, Err, sErr.Get()); } if (TmpName) FileDev->Delete(TmpName); return Status; } const char *LTextView4::GetLastError() { return d->LastError; } void LTextView4::UpdateScrollBars(bool Reset) { if (VScroll) { LRect Before = GetClient(); int DisplayLines = Y() / LineY; ssize_t Lines = GetLines(); VScroll->SetRange(Lines); if (VScroll) { VScroll->SetPage(DisplayLines); ssize_t Max = Lines - DisplayLines + 1; bool Inval = false; if (VScroll->Value() > Max) { VScroll->Value(Max); Inval = true; } if (Reset) { VScroll->Value(0); SelStart = SelEnd = -1; } else if (d->VScrollCache >= 0) { VScroll->Value(d->VScrollCache); d->VScrollCache = -1; SelStart = SelEnd = -1; } LRect After = GetClient(); if (Before != After && GetWrapType()) { d->SetDirty(0, Size); Inval = true; } if (Inval) { Invalidate(); } } } } void LTextView4::DoCase(std::function Callback, bool Upper) { if (Text) { ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd); if (Min < Max) { if (UndoOn) { LAutoPtr Obj(new LTextView4Undo(this)); LTextView4Undo *u = UndoCur ? UndoCur : Obj; if (u) u->AddChange(Min, Max - Min, UndoChange); if (Obj) UndoQue += Obj.Release(); } for (ssize_t i=Min; i= 'a' && Text[i] <= 'z') Text[i] = Text[i] - 'a' + 'A'; } else { if (Text[i] >= 'A' && Text[i] <= 'Z') Text[i] = Text[i] - 'A' + 'a'; } } Dirty = true; d->SetDirty(Min, 0); Invalidate(); SendNotify(LNotifyDocChanged); } } if (Callback) Callback(Text != NULL); } ssize_t LTextView4::GetLine() { ssize_t Idx = 0; GetTextLine(Cursor, &Idx); return Idx + 1; } void LTextView4::SetLine(int64_t i) { LTextLine *l = Line.ItemAt(i - 1); if (l) { d->CenterCursor = true; SetCaret(l->Start, false); d->CenterCursor = false; } } void LTextView4::DoGoto(std::function Callback) { LInput *Dlg = new LInput(this, "", LLoadString(L_TEXTCTRL_GOTO_LINE, "Goto line:"), "Text"); Dlg->DoModal([this, Dlg, Callback](auto d, auto code) { auto ok = code == IDOK && Dlg->GetStr(); if (ok) SetLine(Dlg->GetStr().Int()); if (Callback) Callback(ok); delete Dlg; }); } LDocFindReplaceParams *LTextView4::CreateFindReplaceParams() { return new LDocFindReplaceParams4; } void LTextView4::SetFindReplaceParams(LDocFindReplaceParams *Params) { if (Params) { if (d->OwnFindReplaceParams) { DeleteObj(d->FindReplaceParams); } d->OwnFindReplaceParams = false; d->FindReplaceParams = (LDocFindReplaceParams4*) Params; } } void LTextView4::DoFindNext(std::function Callback) { bool Status = false; if (InThread()) { if (d->FindReplaceParams->Lock(_FL)) { if (d->FindReplaceParams->LastFind) Status = OnFind(d->FindReplaceParams->LastFind, d->FindReplaceParams->MatchWord, d->FindReplaceParams->MatchCase, d->FindReplaceParams->SelectionOnly, d->FindReplaceParams->SearchUpwards); d->FindReplaceParams->Unlock(); } } else if (IsAttached()) { Status = PostEvent(M_TEXTVIEW_FIND); } if (Callback) Callback(Status); } void LTextView4::DoFind(std::function Callback) { LString u; if (HasSelection()) { ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd); u = LString(Text + Min, Max - Min); } else { u = d->FindReplaceParams->LastFind.Get(); } auto Dlg = new LFindDlg(this, [this, Params=d->FindReplaceParams, Callback](auto Dlg, auto Action) { if (Params && Params->Lock(_FL)) { Params->MatchWord = Dlg->MatchWord; Params->MatchCase = Dlg->MatchCase; Params->SelectionOnly = Dlg->SelectionOnly; Params->SearchUpwards = Dlg->SearchUpwards; Params->LastFind.Reset(Utf8ToWide(Dlg->Find)); Params->Unlock(); } DoFindNext([this, Callback](bool ok) { Focus(true); if (Callback) Callback(ok); }); }, u); Dlg->DoModal(NULL); } void LTextView4::DoReplace(std::function Callback) { bool SingleLineSelection = false; SingleLineSelection = HasSelection(); if (SingleLineSelection) { LRange Sel = GetSelectionRange(); for (ssize_t i = Sel.Start; i < Sel.End(); i++) { if (Text[i] == '\n') { SingleLineSelection = false; break; } } } LAutoString LastFind8(SingleLineSelection ? GetSelection() : WideToUtf8(d->FindReplaceParams->LastFind)); LAutoString LastReplace8(WideToUtf8(d->FindReplaceParams->LastReplace)); auto Dlg = new LReplaceDlg(this, [this](auto Dlg, auto Action) { LReplaceDlg *Replace = dynamic_cast(Dlg); LAssert(Replace != NULL); if (Action == IDCANCEL) return; if (d->FindReplaceParams->Lock(_FL)) { d->FindReplaceParams->LastFind.Reset(Utf8ToWide(Replace->Find)); d->FindReplaceParams->LastReplace.Reset(Utf8ToWide(Replace->Replace)); d->FindReplaceParams->MatchWord = Replace->MatchWord; d->FindReplaceParams->MatchCase = Replace->MatchCase; d->FindReplaceParams->SelectionOnly = Replace->SelectionOnly; switch (Action) { case IDC_FR_FIND: { OnFind( d->FindReplaceParams->LastFind, d->FindReplaceParams->MatchWord, d->FindReplaceParams->MatchCase, d->FindReplaceParams->SelectionOnly, d->FindReplaceParams->SearchUpwards); break; } case IDOK: case IDC_FR_REPLACE: { OnReplace( d->FindReplaceParams->LastFind, d->FindReplaceParams->LastReplace, Action == IDOK, d->FindReplaceParams->MatchWord, d->FindReplaceParams->MatchCase, d->FindReplaceParams->SelectionOnly, d->FindReplaceParams->SearchUpwards); break; } } d->FindReplaceParams->Unlock(); } }, LastFind8, LastReplace8); Dlg->MatchWord = d->FindReplaceParams->MatchWord; Dlg->MatchCase = d->FindReplaceParams->MatchCase; Dlg->SelectionOnly = HasSelection(); Dlg->DoModal(NULL); } void LTextView4::SelectWord(size_t From) { for (SelStart = From; SelStart > 0; SelStart--) { if (strchr(SelectWordDelim, Text[SelStart])) { SelStart++; break; } } for (SelEnd = From; SelEnd < Size; SelEnd++) { if (strchr(SelectWordDelim, Text[SelEnd])) { break; } } Invalidate(); } typedef int (*StringCompareFn)(const char16 *a, const char16 *b, ssize_t n); ptrdiff_t LTextView4::MatchText(const char16 *Find, bool MatchWord, bool MatchCase, bool SelectionOnly, bool SearchUpwards) { if (!ValidStrW(Find)) return -1; ssize_t FindLen = StrlenW(Find); // Setup range to search ssize_t Begin, End; if (SelectionOnly && HasSelection()) { Begin = MIN(SelStart, SelEnd); End = MAX(SelStart, SelEnd); } else { Begin = 0; End = Size; } // Look through text... ssize_t i; bool Wrap = false; if (Cursor > End - FindLen) { Wrap = true; if (SearchUpwards) i = End - FindLen; else i = Begin; } else { i = Cursor; } if (i < Begin) i = Begin; if (i > End) i = End; StringCompareFn CmpFn = MatchCase ? StrncmpW : StrnicmpW; char16 FindCh = MatchCase ? Find[0] : toupper(Find[0]); for (; SearchUpwards ? i >= Begin : i <= End - FindLen; i += SearchUpwards ? -1 : 1) { if ( (MatchCase ? Text[i] : toupper(Text[i])) == FindCh ) { char16 *Possible = Text + i; if (CmpFn(Possible, Find, FindLen) == 0) { if (MatchWord) { // Check boundaries if (Possible > Text) // Check off the start { if (!IsWordBoundry(Possible[-1])) continue; } if (i + FindLen < Size) // Check off the end { if (!IsWordBoundry(Possible[FindLen])) continue; } } LRange r(Possible - Text, FindLen); if (!r.Overlap(Cursor)) return r.Start; } } if (!Wrap && (i + 1 > End - FindLen)) { Wrap = true; i = Begin; End = Cursor; } } return -1; } bool LTextView4::OnFind(const char16 *Find, bool MatchWord, bool MatchCase, bool SelectionOnly, bool SearchUpwards) { THREAD_CHECK(); // Not sure what this is doing??? if (HasSelection() && SelEnd < SelStart) { Cursor = SelStart; } #if FEATURE_HILIGHT_ALL_MATCHES // Clear existing styles for matches for (StyleIter s = Style.begin(); s != Style.end(); ) { if (s->Owner == STYLE_FIND_MATCHES) Style.Delete(s); else s++; } ssize_t FindLen = StrlenW(Find); ssize_t FirstLoc = MatchText(Find, MatchWord, MatchCase, false, SearchUpwards), Loc; if (FirstLoc >= 0) { SetCaret(FirstLoc, false); SetCaret(FirstLoc + FindLen, true); } ssize_t Old = Cursor; if (!SearchUpwards) Cursor += FindLen; while ((Loc = MatchText(Find, MatchWord, MatchCase, false, false)) != FirstLoc) { LAutoPtr s(new LStyle(STYLE_FIND_MATCHES)); s->Start = Loc; s->Len = FindLen; s->Fore = LColour(L_FOCUS_SEL_FORE); s->Back = LColour(L_FOCUS_SEL_BACK).Mix(LColour(L_WORKSPACE)); InsertStyle(s); Cursor = Loc + FindLen; } Cursor = Old; ScrollToOffset(Cursor); Invalidate(); #else ssize_t Loc = MatchText(Find, MatchWord, MatchCase, SelectionOnly, SearchUpwards); if (Loc >= 0) { SetCaret(Loc, false); SetCaret(Loc + StrlenW(Find), true); return true; } #endif return false; } bool LTextView4::OnReplace(const char16 *Find, const char16 *Replace, bool All, bool MatchWord, bool MatchCase, bool SelectionOnly, bool SearchUpwards) { THREAD_CHECK(); if (ValidStrW(Find)) { // int Max = -1; ssize_t FindLen = StrlenW(Find); ssize_t ReplaceLen = StrlenW(Replace); // size_t OldCursor = Cursor; ptrdiff_t First = -1; while (true) { ptrdiff_t Loc = MatchText(Find, MatchWord, MatchCase, SelectionOnly, SearchUpwards); if (First < 0) { First = Loc; } else if (Loc == First) { break; } if (Loc >= 0) { ssize_t OldSelStart = SelStart; ssize_t OldSelEnd = SelEnd; Delete(Loc, FindLen); Insert(Loc, Replace, ReplaceLen); SelStart = OldSelStart; SelEnd = OldSelEnd - FindLen + ReplaceLen; Cursor = Loc + ReplaceLen; } if (!All) { return Loc >= 0; } if (Loc < 0) break; } } return false; } ssize_t LTextView4::SeekLine(ssize_t Offset, LTextViewSeek Where) { THREAD_CHECK(); switch (Where) { case PrevLine: { for (; Offset > 0 && Text[Offset] != '\n'; Offset--) ; if (Offset > 0) Offset--; for (; Offset > 0 && Text[Offset] != '\n'; Offset--) ; if (Offset > 0) Offset++; break; } case NextLine: { for (; Offset < Size && Text[Offset] != '\n'; Offset++) ; Offset++; break; } case StartLine: { for (; Offset > 0 && Text[Offset] != '\n'; Offset--) ; if (Offset > 0) Offset++; break; } case EndLine: { for (; Offset < Size && Text[Offset] != '\n'; Offset++) ; break; } default: { LAssert(false); break; } } return Offset; } bool LTextView4::OnMultiLineTab(bool In) { bool Status = false; ssize_t Min = MIN(SelStart, SelEnd); ssize_t Max = MAX(SelStart, SelEnd), i; Min = SeekLine(Min, StartLine); int Ls = 0; LArray p; for (i=Min; i=0; i--) { if (In) { // <- ssize_t n = Indexes[i], Space = 0; for (; Space ssize_t Len = Indexes[i]; for (; Text[Len] != '\n' && Len Indexes[i]) { if (HardTabs) { char16 Tab[] = {'\t', 0}; Insert(Indexes[i], Tab, 1); Max++; } else { char16 *Sp = new char16[IndentSize]; if (Sp) { for (int n=0; nChanges.Length()) { UndoQue += UndoCur; UndoCur = NULL; } else { DeleteObj(UndoCur); } SelStart = Min; SelEnd = Cursor = Max; PourEnabled = true; PourText(Min, Max - Min); PourStyle(Min, Max - Min); d->SetDirty(Min, Max-Min); Invalidate(); Status = true; return Status; } void LTextView4::OnSetHidden(int Hidden) { } void LTextView4::OnPosChange() { static bool Processing = false; if (!Processing) { Processing = true; LLayout::OnPosChange(); LRect c = GetClient(); bool ScrollYNeeded = c.Y() < (Line.Length() * LineY); bool ScrollChange = ScrollYNeeded ^ (VScroll != NULL); if (ScrollChange) { // printf("%s:%i - SetScrollBars(%i)\n", _FL, ScrollYNeeded); SetScrollBars(false, ScrollYNeeded); } UpdateScrollBars(); if (GetWrapType() && d->PourX != X()) { d->PourX = X(); d->SetDirty(0, Size); } Processing = false; } } int LTextView4::WillAccept(LDragFormats &Formats, LPoint Pt, int KeyState) { Formats.Supports("text/uri-list"); Formats.Supports("text/html"); Formats.Supports("UniformResourceLocatorW"); return Formats.Length() ? DROPEFFECT_COPY : DROPEFFECT_NONE; } int LTextView4::OnDrop(LArray &Data, LPoint Pt, int KeyState) { int Status = DROPEFFECT_NONE; for (unsigned i=0; iIsBinary()) { OsChar *e = (OsChar*) ((char*)Data->Value.Binary.Data + Data->Value.Binary.Length); OsChar *s = (OsChar*) Data->Value.Binary.Data; int len = 0; while (s < e && s[len]) { len++; } LAutoWString w ( (char16*)LNewConvertCp ( LGI_WideCharset, s, ( sizeof(OsChar) == 1 ? "utf-8" : LGI_WideCharset ), len * sizeof(*s) ) ); Insert(Cursor, w, len); Invalidate(); return DROPEFFECT_COPY; } } else if (dd.IsFileDrop()) { // We don't directly handle file drops... pass up to the parent bool FoundTarget = false; for (LViewI *p = GetParent(); p; p = p->GetParent()) { LDragDropTarget *t = p->DropTarget(); if (t) { Status = t->OnDrop(Data, Pt, KeyState); if (Status != DROPEFFECT_NONE) { FoundTarget = true; break; } } } if (!FoundTarget) { auto Wnd = GetWindow(); if (Wnd) { LDropFiles files(dd); Wnd->OnReceiveFiles(files); } } } } return Status; } void LTextView4::OnCreate() { SetWindow(this); DropTarget(true); #ifndef WINDOWS if (Ctrls.Length() == 0) #endif SetPulse(PULSE_TIMEOUT); #ifndef WINDOWS Ctrls.Add(this); #endif } void LTextView4::OnEscape(LKey &K) { } bool LTextView4::OnMouseWheel(double l) { if (VScroll) { int64 NewPos = VScroll->Value() + (int)l; NewPos = limit(NewPos, 0, (ssize_t)GetLines()); VScroll->Value(NewPos); Invalidate(); } return true; } void LTextView4::OnFocus(bool f) { Invalidate(); } ssize_t LTextView4::HitText(int x, int y, bool Nearest) { if (!Text) return 0; bool Down = y >= 0; auto Y = VScroll ? VScroll->Value() : 0; if (Y < (ssize_t)Line.Length()) y += Line[Y]->r.y1; while (Y>=0 && Y<(ssize_t)Line.Length()) { auto l = Line[Y]; if (l->r.Overlap(x, y)) { // Over a line int At = x - l->r.x1; ssize_t Char = 0; LDisplayString Ds(Font, MapText(Text + l->Start, l->Len), l->Len, 0); Char = Ds.CharAt(At, Nearest ? LgiNearest : LgiTruncate); return l->Start + Char; } else if (y >= l->r.y1 && y <= l->r.y2) { // Click horizontally before of after line if (x < l->r.x1) return l->Start; else if (x > l->r.x2) return l->Start + l->Len; } if (Down) Y++; else Y--; } // outside text area if (Down) { if (Line.Length()) { if (y > Line.Last()->r.y2) { // end of document return Size; } } } return 0; } void LTextView4::Undo() { int Old = UndoQue.GetPos(); UndoQue.Undo(); if (Old && !UndoQue.GetPos()) { Dirty = false; SendNotify(LNotifyDocChanged); } } void LTextView4::Redo() { UndoQue.Redo(); } void LTextView4::DoContextMenu(LMouse &m) { LSubMenu RClick; LAutoString ClipText; { LClipBoard Clip(this); ClipText.Reset(NewStr(Clip.Text())); } LStyle *s = HitStyle(HitText(m.x, m.y, true)); if (s) { if (OnStyleMenu(s, &RClick)) { RClick.AppendSeparator(); } } RClick.AppendItem(LLoadString(L_TEXTCTRL_CUT, "Cut"), IDM_CUT, HasSelection()); RClick.AppendItem(LLoadString(L_TEXTCTRL_COPY, "Copy"), IDM_COPY, HasSelection()); RClick.AppendItem(LLoadString(L_TEXTCTRL_PASTE, "Paste"), IDM_PASTE, ClipText != 0); RClick.AppendSeparator(); RClick.AppendItem("Copy All", IDM_COPY_ALL, true); RClick.AppendItem("Select All", IDM_SELECT_ALL, true); RClick.AppendSeparator(); RClick.AppendItem(LLoadString(L_TEXTCTRL_UNDO, "Undo"), IDM_UNDO, UndoQue.CanUndo()); RClick.AppendItem(LLoadString(L_TEXTCTRL_REDO, "Redo"), IDM_REDO, UndoQue.CanRedo()); RClick.AppendSeparator(); auto i = RClick.AppendItem(LLoadString(L_TEXTCTRL_FIXED, "Fixed Width Font"), IDM_FIXED, true); if (i) i->Checked(GetFixedWidthFont()); i = RClick.AppendItem(LLoadString(L_TEXTCTRL_AUTO_INDENT, "Auto Indent"), IDM_AUTO_INDENT, true); if (i) i->Checked(AutoIndent); i = RClick.AppendItem(LLoadString(L_TEXTCTRL_SHOW_WHITESPACE, "Show Whitespace"), IDM_SHOW_WHITE, true); if (i) i->Checked(ShowWhiteSpace); i = RClick.AppendItem(LLoadString(L_TEXTCTRL_HARD_TABS, "Hard Tabs"), IDM_HARD_TABS, true); if (i) i->Checked(HardTabs); RClick.AppendItem(LLoadString(L_TEXTCTRL_INDENT_SIZE, "Indent Size"), IDM_INDENT_SIZE, true); RClick.AppendItem(LLoadString(L_TEXTCTRL_TAB_SIZE, "Tab Size"), IDM_TAB_SIZE, true); if (Environment) Environment->AppendItems(&RClick, NULL); int Id = 0; m.ToScreen(); switch (Id = RClick.Float(this, m)) { case IDM_FIXED: { SetFixedWidthFont(!GetFixedWidthFont()); SendNotify(LNotifyFixedWidthChanged); break; } case IDM_CUT: { Cut(); break; } case IDM_COPY: { Copy(); break; } case IDM_PASTE: { Paste(); break; } case IDM_COPY_ALL: { SelectAll(); Copy(); break; } case IDM_SELECT_ALL: { SelectAll(); break; } case IDM_UNDO: { Undo(); break; } case IDM_REDO: { Redo(); break; } case IDM_AUTO_INDENT: { AutoIndent = !AutoIndent; break; } case IDM_SHOW_WHITE: { ShowWhiteSpace = !ShowWhiteSpace; Invalidate(); break; } case IDM_HARD_TABS: { HardTabs = !HardTabs; break; } case IDM_INDENT_SIZE: { char s[32]; sprintf_s(s, sizeof(s), "%i", IndentSize); LInput *i = new LInput(this, s, "Indent Size:", "Text"); i->DoModal([this, i](auto dlg, auto code) { if (code) IndentSize = atoi(i->GetStr()); delete i; }); break; } case IDM_TAB_SIZE: { char s[32]; sprintf_s(s, sizeof(s), "%i", TabSize); LInput *i = new LInput(this, s, "Tab Size:", "Text"); i->DoModal([this, i](auto dlg, auto code) { if (code) SetTabSize((uint8_t)Atoi(i->GetStr().Get())); delete i; }); break; } default: { if (s) { OnStyleMenuClick(s, Id); } if (Environment) { Environment->OnMenu(this, Id, 0); } break; } } } bool LTextView4::OnStyleClick(LStyle *style, LMouse *m) { switch (style->Owner) { case STYLE_URL: { if ( (!m) || (m->Left() && m->Down() && m->Double()) ) { LString s(Text + style->Start, style->Len); if (s) { OnUrl(s); return true; } } break; } default: break; } return false; } bool LTextView4::OnStyleMenu(LStyle *style, LSubMenu *m) { switch (style->Owner) { case STYLE_URL: { LString s(Text + style->Start, style->Len); if (LIsValidEmail(s)) m->AppendItem(LLoadString(L_TEXTCTRL_EMAIL_TO, "New Email to..."), IDM_NEW, true); else m->AppendItem(LLoadString(L_TEXTCTRL_OPENURL, "Open URL"), IDM_OPEN, true); m->AppendItem(LLoadString(L_TEXTCTRL_COPYLINK, "Copy link location"), IDM_COPY_URL, true); return true; } default: break; } return false; } void LTextView4::OnStyleMenuClick(LStyle *style, int i) { switch (style->Owner) { case STYLE_URL: { LString s(Text + style->Start, style->Len); switch (i) { case IDM_NEW: case IDM_OPEN: { if (s) OnUrl(s); break; } case IDM_COPY_URL: { if (s) { LClipBoard Clip(this); Clip.Text(s); } break; } } break; } default: break; } } void LTextView4::OnMouseClick(LMouse &m) { bool Processed = false; m.x += ScrollX; if (m.Down()) { if (!m.IsContextMenu()) { Focus(true); ssize_t Hit = HitText(m.x, m.y, true); if (Hit >= 0) { SetCaret(Hit, m.Shift()); LStyle *s = HitStyle(Hit); if (s) Processed = OnStyleClick(s, &m); } if (!Processed && m.Double()) { d->WordSelectMode = Cursor; SelectWord(Cursor); } else { d->WordSelectMode = -1; } } else { DoContextMenu(m); return; } } if (!Processed) { Capture(m.Down()); } } int LTextView4::OnHitTest(int x, int y) { #ifdef WIN32 if (GetClient().Overlap(x, y)) { return HTCLIENT; } #endif return LView::OnHitTest(x, y); } void LTextView4::OnMouseMove(LMouse &m) { m.x += ScrollX; if (!IsCapturing()) return; ssize_t Hit = HitText(m.x, m.y, true); if (d->WordSelectMode < 0) { SetCaret(Hit, m.Left()); } else { ssize_t Min = Hit < d->WordSelectMode ? Hit : d->WordSelectMode; ssize_t Max = Hit > d->WordSelectMode ? Hit : d->WordSelectMode; for (SelStart = Min; SelStart > 0; SelStart--) { if (strchr(SelectWordDelim, Text[SelStart])) { SelStart++; break; } } for (SelEnd = Max; SelEnd < Size; SelEnd++) { if (strchr(SelectWordDelim, Text[SelEnd])) { break; } } Cursor = SelEnd; Invalidate(); } } LCursor LTextView4::GetCursor(int x, int y) { LRect c = GetClient(); c.Offset(-c.x1, -c.y1); LStyle *s = NULL; if (c.Overlap(x, y)) { ssize_t Hit = HitText(x, y, true); s = HitStyle(Hit); } return s ? s->Cursor : LCUR_Ibeam; } int LTextView4::GetColumn() { int x = 0; LTextLine *l = GetTextLine(Cursor); if (l) { for (ssize_t i=l->Start; i> 1); m.Target = this; DoContextMenu(m); } else if (k.IsChar) { switch (k.vkey) { default: { // process single char input if ( !GetReadOnly() && ( (k.c16 >= ' ' || k.vkey == LK_TAB) && k.c16 != 127 ) ) { if (k.Down()) { // letter/number etc if (SelStart >= 0) { bool MultiLine = false; if (k.vkey == LK_TAB) { size_t Min = MIN(SelStart, SelEnd), Max = MAX(SelStart, SelEnd); for (size_t i=Min; iLen : 0; if (l && k.vkey == LK_TAB && (!HardTabs || IndentSize != TabSize)) { int x = GetColumn(); int Add = IndentSize - (x % IndentSize); if (HardTabs && ((x + Add) % TabSize) == 0) { int Rx = x; size_t Remove; for (Remove = Cursor; Text[Remove - 1] == ' ' && Rx % TabSize != 0; Remove--, Rx--); ssize_t Chars = (ssize_t)Cursor - Remove; Delete(Remove, Chars); Insert(Remove, &k.c16, 1); Cursor = Remove + 1; Invalidate(); } else { char16 *Sp = new char16[Add]; if (Sp) { for (int n=0; nLen : 0; SetCaret(Cursor + Add, false, Len != NewLen - 1); } DeleteArray(Sp); } } } else { char16 In = k.GetChar(); if (In == '\t' && k.Shift() && Cursor > 0) { l = GetTextLine(Cursor); if (Cursor > l->Start) { if (Text[Cursor-1] == '\t') { Delete(Cursor - 1, 1); SetCaret(Cursor, false, false); } else if (Text[Cursor-1] == ' ') { ssize_t Start = (ssize_t)Cursor - 1; while (Start >= l->Start && strchr(" \t", Text[Start-1])) Start--; int Depth = SpaceDepth(Text + Start, Text + Cursor); int NewDepth = Depth - (Depth % IndentSize); if (NewDepth == Depth && NewDepth > 0) NewDepth -= IndentSize; int Use = 0; while (SpaceDepth(Text + Start, Text + Start + Use + 1) < NewDepth) Use++; Delete(Start + Use, Cursor - Start - Use); SetCaret(Start + Use, false, false); } } } else if (In && Insert(Cursor, &In, 1)) { l = GetTextLine(Cursor); size_t NewLen = (l) ? l->Len : 0; SetCaret(Cursor + 1, false, Len != NewLen - 1); } } } return true; } break; } case LK_RETURN: #if defined MAC case LK_KEYPADENTER: #endif { if (GetReadOnly()) break; if (k.Down() && k.IsChar) { OnEnter(k); } return true; break; } case LK_BACKSPACE: { if (GetReadOnly()) break; if (k.Ctrl()) { // Ctrl+H } else if (k.Down()) { if (SelStart >= 0) { // delete selection DeleteSelection(); } else { char Del = Cursor > 0 ? Text[Cursor-1] : 0; if (Del == ' ' && (!HardTabs || IndentSize != TabSize)) { // Delete soft tab int x = GetColumn(); int Max = x % IndentSize; if (Max == 0) Max = IndentSize; ssize_t i; for (i=Cursor-1; i>=0; i--) { if (Max-- <= 0 || Text[i] != ' ') { i++; break; } } if (i < 0) i = 0; if (i < Cursor - 1) { ssize_t Del = (ssize_t)Cursor - i; Delete(i, Del); // SetCursor(i, false, false); // Invalidate(); break; } } else if (Del == '\t' && HardTabs && IndentSize != TabSize) { int x = GetColumn(); Delete(--Cursor, 1); for (int c=GetColumn(); c 0) { Delete(Cursor - 1, 1); } } } return true; break; } } } else // not a char { switch (k.vkey) { case LK_TAB: return true; case LK_RETURN: { return !GetReadOnly(); } case LK_BACKSPACE: { if (!GetReadOnly()) { if (k.Alt()) { if (k.Down()) { if (k.Ctrl()) { Redo(); } else { Undo(); } } } else if (k.Ctrl()) { if (k.Down()) { ssize_t Start = Cursor; while (IsWhiteSpace(Text[Cursor-1]) && Cursor > 0) Cursor--; while (!IsWhiteSpace(Text[Cursor-1]) && Cursor > 0) Cursor--; Delete(Cursor, Start - Cursor); Invalidate(); } } return true; } break; } case LK_F3: { if (k.Down()) { DoFindNext(NULL); } return true; break; } case LK_LEFT: { if (k.Down()) { if (SelStart >= 0 && !k.Shift()) { SetCaret(MIN(SelStart, SelEnd), false); } else if (Cursor > 0) { ssize_t n = Cursor; #ifdef MAC if (k.System()) { goto Jump_StartOfLine; } else if (k.Alt()) #else if (k.Ctrl()) #endif { // word move/select bool StartWhiteSpace = IsWhiteSpace(Text[n]); bool LeftWhiteSpace = n > 0 && IsWhiteSpace(Text[n-1]); if (!StartWhiteSpace || Text[n] == '\n') { n--; } // Skip ws for (; n > 0 && strchr(" \t", Text[n]); n--) ; if (Text[n] == '\n') { n--; } else if (!StartWhiteSpace || !LeftWhiteSpace) { if (IsDelimiter(Text[n])) { for (; n > 0 && IsDelimiter(Text[n]); n--); } else { for (; n > 0; n--) { //IsWordBoundry(Text[n]) if (IsWhiteSpace(Text[n]) || IsDelimiter(Text[n])) { break; } } } } if (n > 0) n++; } else { // single char n--; } SetCaret(n, k.Shift()); } } return true; break; } case LK_RIGHT: { if (k.Down()) { if (SelStart >= 0 && !k.Shift()) { SetCaret(MAX(SelStart, SelEnd), false); } else if (Cursor < Size) { ssize_t n = Cursor; #ifdef MAC if (k.System()) { goto Jump_EndOfLine; } else if (k.Alt()) #else if (k.Ctrl()) #endif { // word move/select if (IsWhiteSpace(Text[n])) { for (; nStart, Cursor-l->Start); int ScreenX = CurLine.X(); LDisplayString PrevLine(Font, Text + Prev->Start, Prev->Len); ssize_t CharX = PrevLine.CharAt(ScreenX); SetCaret(Prev->Start + MIN(CharX, Prev->Len), k.Shift()); } } } return true; break; } case LK_DOWN: { if (k.Alt()) return false; if (k.Down()) { #ifdef MAC if (k.Ctrl()) goto LTextView4_PageDown; #endif auto It = GetTextLineIt(Cursor); if (It != Line.end()) { auto l = *It; It++; if (It != Line.end()) { LTextLine *Next = *It; LDisplayString CurLine(Font, Text + l->Start, Cursor-l->Start); int ScreenX = CurLine.X(); LDisplayString NextLine(Font, Text + Next->Start, Next->Len); ssize_t CharX = NextLine.CharAt(ScreenX); SetCaret(Next->Start + MIN(CharX, Next->Len), k.Shift()); } } } return true; break; } case LK_END: { if (k.Down()) { if (k.Ctrl()) { SetCaret(Size, k.Shift()); } else { #ifdef MAC Jump_EndOfLine: #endif LTextLine *l = GetTextLine(Cursor); if (l) { SetCaret(l->Start + l->Len, k.Shift()); } } } return true; break; } case LK_HOME: { if (k.Down()) { if (k.Ctrl()) { SetCaret(0, k.Shift()); } else { #ifdef MAC Jump_StartOfLine: #endif LTextLine *l = GetTextLine(Cursor); if (l) { char16 *Line = Text + l->Start; char16 *s; char16 SpTab[] = {' ', '\t', 0}; for (s = Line; (SubtractPtr(s,Line) < l->Len) && StrchrW(SpTab, *s); s++); ssize_t Whitespace = SubtractPtr(s, Line); if (l->Start + Whitespace == Cursor) { SetCaret(l->Start, k.Shift()); } else { SetCaret(l->Start + Whitespace, k.Shift()); } } } } return true; break; } case LK_PAGEUP: { #ifdef MAC LTextView4_PageUp: #endif if (k.Down()) { LTextLine *l = GetTextLine(Cursor); if (l) { int DisplayLines = Y() / LineY; ssize_t CurLine = Line.IndexOf(l); LTextLine *New = Line.ItemAt(MAX(CurLine - DisplayLines, 0)); if (New) { SetCaret(New->Start + MIN(Cursor - l->Start, New->Len), k.Shift()); } } } return true; break; } case LK_PAGEDOWN: { #ifdef MAC LTextView4_PageDown: #endif if (k.Down()) { LTextLine *l = GetTextLine(Cursor); if (l) { int DisplayLines = Y() / LineY; ssize_t CurLine = Line.IndexOf(l); LTextLine *New = Line.ItemAt(MIN(CurLine + DisplayLines, (ssize_t)GetLines()-1)); if (New) { SetCaret(New->Start + MIN(Cursor - l->Start, New->Len), k.Shift()); } } } return true; break; } case LK_INSERT: { if (k.Down()) { if (k.Ctrl()) { Copy(); } else if (k.Shift()) { if (!GetReadOnly()) { Paste(); } } } return true; break; } case LK_DELETE: { if (!GetReadOnly()) { if (k.Down()) { if (SelStart >= 0) { if (k.Shift()) { Cut(); } else { DeleteSelection(); } } else if (Cursor < Size && Delete(Cursor, 1)) { Invalidate(); } } return true; } break; } default: { if (k.c16 == 17) break; if (k.CtrlCmd() && !k.Alt()) { switch (k.GetChar()) { case 0xbd: // Ctrl+'-' { if (k.Down() && Font->PointSize() > 1) { Font->PointSize(Font->PointSize() - 1); OnFontChange(); Invalidate(); } break; } case 0xbb: // Ctrl+'+' { if (k.Down() && Font->PointSize() < 100) { Font->PointSize(Font->PointSize() + 1); OnFontChange(); Invalidate(); } break; } case 'a': case 'A': { if (k.Down()) { // select all SelStart = 0; SelEnd = Size; Invalidate(); } return true; break; } case 'y': case 'Y': { if (!GetReadOnly()) { if (k.Down()) { Redo(); } return true; } break; } case 'z': case 'Z': { if (!GetReadOnly()) { if (k.Down()) { if (k.Shift()) { Redo(); } else { Undo(); } } return true; } break; } case 'x': case 'X': { if (!GetReadOnly()) { if (k.Down()) { Cut(); } return true; } break; } case 'c': case 'C': { if (k.Shift()) return false; if (k.Down()) Copy(); return true; break; } case 'v': case 'V': { if (!k.Shift() && !GetReadOnly()) { if (k.Down()) { Paste(); } return true; } break; } case 'f': { if (k.Down()) { DoFind(NULL); } return true; break; } case 'g': case 'G': { if (k.Down()) { DoGoto(NULL); } return true; break; } case 'h': case 'H': { if (k.Down()) { DoReplace(NULL); } return true; break; } case 'u': case 'U': { if (!GetReadOnly()) { if (k.Down()) { DoCase(NULL, k.Shift()); } return true; } break; } case LK_RETURN: { if (!GetReadOnly() && !k.Shift()) { if (k.Down()) { OnEnter(k); } return true; } break; } } } break; } } } return false; } void LTextView4::OnEnter(LKey &k) { // enter if (SelStart >= 0) { DeleteSelection(); } char16 InsertStr[256] = {'\n', 0}; LTextLine *CurLine = GetTextLine(Cursor); if (CurLine && AutoIndent) { int WsLen = 0; for (; WsLen < CurLine->Len && WsLen < (Cursor - CurLine->Start) && strchr(" \t", Text[CurLine->Start + WsLen]); WsLen++); if (WsLen > 0) { memcpy(InsertStr+1, Text+CurLine->Start, WsLen * sizeof(char16)); InsertStr[WsLen+1] = 0; } } if (Insert(Cursor, InsertStr, StrlenW(InsertStr))) { SetCaret(Cursor + StrlenW(InsertStr), false, true); } } int LTextView4::TextWidth(LFont *f, char16 *s, int Len, int x, int Origin) { int w = x; int Size = f->TabSize(); for (char16 *c = s; SubtractPtr(c, s) < Len; ) { if (*c == 9) { w = ((((w-Origin) + Size) / Size) * Size) + Origin; c++; } else { char16 *e; for (e = c; SubtractPtr(e, s) < Len && *e != 9; e++); LDisplayString ds(f, c, SubtractPtr(e, c)); w += ds.X(); c = e; } } return w - x; } int LTextView4::ScrollYLine() { return (VScroll) ? (int)VScroll->Value() : 0; } int LTextView4::ScrollYPixel() { return ScrollYLine() * LineY; } LRect LTextView4::DocToScreen(LRect r) { r.Offset(0, d->rPadding.y1 - ScrollYPixel()); return r; } void LTextView4::OnPaintLeftMargin(LSurface *pDC, LRect &r, LColour &colour) { pDC->Colour(colour); pDC->Rectangle(&r); } void LTextView4::OnPaint(LSurface *pDC) { #if LGI_EXCEPTIONS try { #endif #if PROFILE_PAINT char s[256]; sprintf_s(s, sizeof(s), "%p::OnPaint Lines=%i Sz=%i", this, (int)Line.Length(), (int)Size); LProfile Prof(s); #endif if (d->LayoutDirty) { #if PROFILE_PAINT Prof.Add("PourText"); #endif PourText(d->DirtyStart, d->DirtyLen); #if PROFILE_PAINT Prof.Add("PourStyle"); #endif PourStyle(d->DirtyStart, d->DirtyLen); d->LayoutDirty = false; } #if PROFILE_PAINT Prof.Add("Setup"); #endif LRect r = GetClient(); r.x2 += ScrollX; int Ox, Oy; pDC->GetOrigin(Ox, Oy); pDC->SetOrigin(Ox+ScrollX, Oy); #if 0 // Coverage testing... pDC->Colour(Rgb24(255, 0, 255), 24); pDC->Rectangle(); #endif LSurface *pOut = pDC; bool DrawSel = false; bool HasFocus = Focus(); // printf("%s:%i - HasFocus = %i\n", _FL, HasFocus); LColour SelectedText(HasFocus ? LColour(L_FOCUS_SEL_FORE) : LColour(L_NON_FOCUS_SEL_FORE)); LColour SelectedBack(HasFocus ? LColour(L_FOCUS_SEL_BACK) : LColour(L_NON_FOCUS_SEL_BACK)); LCss::ColorDef ForeDef, BkDef; if (GetCss()) { ForeDef = GetCss()->Color(); BkDef = GetCss()->BackgroundColor(); } LColour Fore(ForeDef.Type == LCss::ColorRgb ? LColour(ForeDef.Rgb32, 32) : LColour(L_TEXT)); LColour Back ( /*!ReadOnly &&*/ BkDef.Type == LCss::ColorRgb ? LColour(BkDef.Rgb32, 32) : Enabled() ? LColour(L_WORKSPACE) : LColour(L_MED) ); // LColour Whitespace = Fore.Mix(Back, 0.85f); if (!Enabled()) { Fore = LColour(L_LOW); Back = LColour(L_MED); } #ifdef DOUBLE_BUFFER_PAINT LMemDC *pMem = new LMemDC; pOut = pMem; #endif if (Text && Font #ifdef DOUBLE_BUFFER_PAINT && pMem && pMem->Create(r.X()-d->rPadding.x1, LineY, GdcD->GetBits()) #endif ) { ssize_t SelMin = MIN(SelStart, SelEnd); ssize_t SelMax = MAX(SelStart, SelEnd); // font properties Font->Colour(Fore, Back); // Font->WhitespaceColour(Whitespace); Font->Transparent(false); // draw margins pDC->Colour(PAINT_BORDER); // top margin pDC->Rectangle(0, 0, r.x2, d->rPadding.y1-1); // left margin { LRect LeftMargin(0, d->rPadding.y1, d->rPadding.x1-1, r.y2); OnPaintLeftMargin(pDC, LeftMargin, PAINT_BORDER); } // draw lines of text int k = ScrollYLine(); LTextLine *l = NULL; int Dy = 0; if (k < Line.Length()) Dy = -Line[k]->r.y1; ssize_t NextSelection = (SelStart != SelEnd) ? SelMin : -1; // offset where selection next changes if (k < Line.Length() && (l = Line[k]) && SelStart >= 0 && SelStart < l->Start && SelEnd > l->Start) { // start of visible area is in selection // init to selection colour DrawSel = true; Font->Colour(SelectedText, SelectedBack); NextSelection = SelMax; } StyleIter Si = Style.begin(); LStyle *NextStyle = GetNextStyle(Si, (l) ? l->Start : 0); DocOffset = (l) ? l->r.y1 : 0; #if PROFILE_PAINT Prof.Add("foreach Line loop"); #endif // loop through all visible lines int y = d->rPadding.y1; while ( k < Line.Length() && (l = Line[k]) && l->r.y1+Dy < r.Y()) { LRect Tr = l->r; #ifdef DOUBLE_BUFFER_PAINT Tr.Offset(-Tr.x1, -Tr.y1); #else Tr.Offset(0, y - Tr.y1); #endif //LRect OldTr = Tr; // deal with selection change on beginning of line if (NextSelection == l->Start) { // selection change DrawSel = !DrawSel; NextSelection = (NextSelection == SelMin) ? SelMax : -1; } if (DrawSel) { Font->Colour(SelectedText, SelectedBack); } else { LColour fore = l->c.IsValid() ? l->c : Fore; LColour back = l->Back.IsValid() ? l->Back : Back; Font->Colour(fore, back); } // How many chars on this line have we // processed so far: ssize_t Done = 0; bool LineHasSelection = NextSelection >= l->Start && NextSelection < l->Start + l->Len; // Fractional pixels we have moved so far: int MarginF = d->rPadding.x1 << LDisplayString::FShift; int FX = MarginF; int FY = Tr.y1 << LDisplayString::FShift; // loop through all sections of similar text on a line while (Done < l->Len) { // decide how big this block is int RtlTrailingSpace = 0; ssize_t Cur = l->Start + Done; ssize_t Block = l->Len - Done; // check for style change if (NextStyle && (ssize_t)NextStyle->End() <= l->Start) NextStyle = GetNextStyle(Si); if (NextStyle) { // start if (l->Overlap(NextStyle->Start) && NextStyle->Start > Cur && NextStyle->Start - Cur < Block) { Block = NextStyle->Start - Cur; } // end ssize_t StyleEnd = NextStyle->Start + NextStyle->Len; if (l->Overlap(StyleEnd) && StyleEnd > Cur && StyleEnd - Cur < Block) { Block = StyleEnd - Cur; } } // check for next selection change // this may truncate the style if (NextSelection > Cur && NextSelection - Cur < Block) { Block = NextSelection - Cur; } LAssert(Block != 0); // sanity check if (NextStyle && // There is a style (Cur < SelMin || Cur >= SelMax) && // && we're not drawing a selection block Cur >= NextStyle->Start && // && we're inside the styled area Cur < NextStyle->Start+NextStyle->Len) { LFont *Sf = NextStyle->Font ? NextStyle->Font : Font; if (Sf) { // draw styled text if (NextStyle->Fore.IsValid()) Sf->Fore(NextStyle->Fore); if (NextStyle->Back.IsValid()) Sf->Back(NextStyle->Back); else if (l->Back.IsValid()) Sf->Back(l->Back); else Sf->Back(Back); Sf->Transparent(false); LAssert(l->Start + Done >= 0); LDisplayString Ds( Sf, MapText(Text + (l->Start + Done), Block, RtlTrailingSpace != 0), Block + RtlTrailingSpace); Ds.SetDrawOffsetF(FX - MarginF); Ds.ShowVisibleTab(ShowWhiteSpace); Ds.FDraw(pOut, FX, FY, 0, LineHasSelection); if (NextStyle->Decor == LCss::TextDecorSquiggle) { pOut->Colour(NextStyle->DecorColour); int x = FX >> LDisplayString::FShift; int End = x + Ds.X(); while (x < End) { pOut->Set(x, Tr.y2-(x%2)); x++; } } FX += Ds.FX(); LColour fore = l->c.IsValid() ? l->c : Fore; LColour back = l->Back.IsValid() ? l->Back : Back; Sf->Colour(fore, back); } else LAssert(0); } else { // draw a block of normal text LAssert(l->Start + Done >= 0); LDisplayString Ds( Font, MapText(Text + (l->Start + Done), Block, RtlTrailingSpace != 0), Block + RtlTrailingSpace); Ds.SetDrawOffsetF(FX - MarginF); Ds.ShowVisibleTab(ShowWhiteSpace); Ds.FDraw(pOut, FX, FY, 0, LineHasSelection); FX += Ds.FX(); } if (NextStyle && Cur+Block >= NextStyle->Start+NextStyle->Len) { // end of this styled block NextStyle = GetNextStyle(Si); } if (NextSelection == Cur+Block) { // selection change DrawSel = !DrawSel; if (DrawSel) { Font->Colour(SelectedText, SelectedBack); } else { LColour fore = l->c.IsValid() ? l->c : Fore; LColour back = l->Back.IsValid() ? l->Back : Back; Font->Colour(fore, back); } NextSelection = (NextSelection == SelMin) ? SelMax : -1; } Done += Block + RtlTrailingSpace; } // end block loop Tr.x1 = FX >> LDisplayString::FShift; // eol processing ssize_t EndOfLine = l->Start+l->Len; if (EndOfLine >= SelMin && EndOfLine < SelMax) { // draw the '\n' at the end of the line as selected // LColour bk = Font->Back(); pOut->Colour(Font->Back()); pOut->Rectangle(Tr.x2, Tr.y1, Tr.x2+7, Tr.y2); Tr.x2 += 7; } else Tr.x2 = Tr.x1; // draw any space after text pOut->Colour(PAINT_AFTER_LINE); pOut->Rectangle(Tr.x2, Tr.y1, r.x2, Tr.y2); // cursor? if (HasFocus) { // draw the cursor if on this line if (Cursor >= l->Start && Cursor <= l->Start+l->Len) { CursorPos.ZOff(1, LineY-1); ssize_t At = Cursor-l->Start; LDisplayString Ds(Font, MapText(Text+l->Start, At), At); Ds.ShowVisibleTab(ShowWhiteSpace); int CursorX = Ds.X(); CursorPos.Offset(d->rPadding.x1 + CursorX, Tr.y1); if (CanScrollX) { // Cursor on screen check LRect Scr = GetClient(); Scr.Offset(ScrollX, 0); LRect Cur = CursorPos; if (Cur.x2 > Scr.x2 - 5) // right edge check { ScrollX = ScrollX + Cur.x2 - Scr.x2 + 40; Invalidate(); } else if (Cur.x1 < Scr.x1 && ScrollX > 0) { ScrollX = MAX(0, Cur.x1 - 40); Invalidate(); } } if (Blink) { LRect c = CursorPos; #ifdef DOUBLE_BUFFER_PAINT c.Offset(-d->rPadding.x1, -y); #endif pOut->Colour(!ReadOnly ? Fore : LColour(192, 192, 192)); pOut->Rectangle(&c); } #if WINNATIVE HIMC hIMC = ImmGetContext(Handle()); if (hIMC) { COMPOSITIONFORM Cf; Cf.dwStyle = CFS_POINT; Cf.ptCurrentPos.x = CursorPos.x1; Cf.ptCurrentPos.y = CursorPos.y1; ImmSetCompositionWindow(hIMC, &Cf); ImmReleaseContext(Handle(), hIMC); } #endif } } #if DRAW_LINE_BOXES { uint Style = pDC->LineStyle(LSurface::LineAlternate); LColour Old = pDC->Colour(LColour::Red); pDC->Box(&OldTr); pDC->Colour(Old); pDC->LineStyle(Style); LString s; s.Printf("%i, %i", Line.IndexOf(l), l->Start); LDisplayString ds(LSysFont, s); LSysFont->Transparent(true); ds.Draw(pDC, OldTr.x2 + 2, OldTr.y1); } #endif #ifdef DOUBLE_BUFFER_PAINT // dump to screen pDC->Blt(d->rPadding.x1, y, pOut); #endif y += LineY; k++; } // end of line loop // draw any space under the lines if (y <= r.y2) { pDC->Colour(Back); // pDC->Colour(LColour(255, 0, 255)); pDC->Rectangle(d->rPadding.x1, y, r.x2, r.y2); } #ifdef DOUBLE_BUFFER_PAINT DeleteObj(pMem); #endif } else { // default drawing: nothing pDC->Colour(Back); pDC->Rectangle(&r); } // _PaintTime = LCurrentTime() - StartTime; #ifdef PAINT_DEBUG if (GetNotify()) { char s[256]; sprintf_s(s, sizeof(s), "Pour:%i Style:%i Paint:%i ms", _PourTime, _StyleTime, _PaintTime); LMessage m = CreateMsg(DEBUG_TIMES_MSG, 0, (int)s); GetNotify()->OnEvent(&m); } #endif // printf("PaintTime: %ims\n", _PaintTime); #if LGI_EXCEPTIONS } catch (...) { LgiMsg(this, "LTextView4::OnPaint crashed.", "Lgi"); } #endif } LMessage::Result LTextView4::OnEvent(LMessage *Msg) { switch (Msg->Msg()) { case M_TEXT_UPDATE_NAME: { if (d->Lock(_FL)) { Name(d->SetName); d->SetName.Empty(); d->Unlock(); } break; } case M_TEXTVIEW_FIND: { if (InThread()) DoFindNext(NULL); else LgiTrace("%s:%i - Not in thread.\n", _FL); break; } case M_TEXTVIEW_REPLACE: { // DoReplace(); break; } case M_CUT: { Cut(); break; } case M_COPY: { Copy(); break; } case M_PASTE: { Paste(); break; } #if defined WIN32 case WM_GETTEXTLENGTH: { return Size; } case WM_GETTEXT: { int Chars = (int)Msg->A(); char *Out = (char*)Msg->B(); if (Out) { char *In = (char*)LNewConvertCp(LAnsiToLgiCp(), NameW(), LGI_WideCharset, Chars); if (In) { int Len = (int)strlen(In); memcpy(Out, In, Len); DeleteArray(In); return Len; } } return 0; } /* This is broken... the IME returns garbage in the buffer. :( case WM_IME_COMPOSITION: { if (Msg->b & GCS_RESULTSTR) { HIMC hIMC = ImmGetContext(Handle()); if (hIMC) { int Size = ImmGetCompositionString(hIMC, GCS_RESULTSTR, NULL, 0); char *Buf = new char[Size]; if (Buf) { ImmGetCompositionString(hIMC, GCS_RESULTSTR, Buf, Size); char16 *Utf = (char16*)LNewConvertCp(LGI_WideCharset, Buf, LAnsiToLgiCp(), Size); if (Utf) { Insert(Cursor, Utf, StrlenW(Utf)); DeleteArray(Utf); } DeleteArray(Buf); } ImmReleaseContext(Handle(), hIMC); } return 0; } break; } */ #endif } return LLayout::OnEvent(Msg); } int LTextView4::OnNotify(LViewI *Ctrl, LNotification n) { if (Ctrl->GetId() == IDC_VSCROLL && VScroll) { if (n.Type == LNotifyScrollBarCreate) { UpdateScrollBars(); } Invalidate(); } return 0; } void LTextView4::InternalPulse() { if (!ReadOnly) { uint64 Now = LCurrentTime(); if (!BlinkTs) BlinkTs = Now; else if (Now - BlinkTs > CURSOR_BLINK) { Blink = !Blink; LRect p = CursorPos; p.Offset(-ScrollX, 0); Invalidate(&p); BlinkTs = Now; } } if (PartialPour) PourText(Size, 0); } void LTextView4::OnPulse() { #ifdef WINDOWS InternalPulse(); #else for (auto c: Ctrls) c->InternalPulse(); #endif } void LTextView4::OnUrl(char *Url) { if (Environment) Environment->OnNavigate(this, Url); else { LUri u(Url); bool Email = LIsValidEmail(Url); const char *Proto = Email ? "mailto" : u.sProtocol; LString App = LGetAppForProtocol(Proto); if (App) LExecute(App, Url); else LgiMsg(this, "Failed to find application for protocol '%s'", "Error", MB_OK, Proto); } } bool LTextView4::OnLayout(LViewLayoutInfo &Inf) { Inf.Width.Min = 32; Inf.Width.Max = -1; Inf.Height.Min = (Font ? Font->GetHeight() : 18) + 4; Inf.Height.Max = -1; return true; } #if DEBUG_EDIT_LOG #include "lgi/common/StructuredIo.h" inline void StructIo(LStructuredIo &io, LTextView4::EditLog &s) { auto obj = io.StartObj("LTextView4::EditLog"); io.Int(s.Type, "type"); io.Int(s.Length, "len"); if (io.GetWrite()) { io.String(s.Str.AddressOf(), s.Str.Length(), "str"); } else { io.Decode([&s](auto type, auto sz, auto ptr, auto name) { if (type == GV_WSTRING && ptr && sz > 0) s.Str.Add((char16*)ptr, sz/sizeof(char16)); }); } } inline void StructIo(LStructuredIo &io, LTextView4::LTextLine &s) { auto obj = io.StartObj("LTextView4::LTextLine"); io.Int(s.Start, "start"); io.Int(s.Len, "len"); + io.String(s.File, Strlen(s.File), "file"); + io.Int(s.Line, "line"); StructIo(io, s.r); StructIo(io, s.c); StructIo(io, s.Back); io.Int(s.NewLine, "newLine"); } #include "lgi/common/StructuredLog.h" void LTextView4::SaveLog(const char *File) { if (!FirstErrorLog) return; LStructuredLog log(File, true); auto &io = log.GetIo(); for (auto e: Edits) log.Log(*e); for (auto ln: Line) log.Log(*ln); log.Log("Size:", Size); io.String(Text, Size, "Text"); io.String(d->LastError, "LastError"); io.String(LogLines(), "Lines"); FirstErrorLog = false; } void LTextView4::LoadLog(const char *File) { LStructuredLog log(File, false); Edits.DeleteObjects(); log.Read([this](auto type, auto size, auto ptr, auto msg) { int asd=0; }); } #endif /////////////////////////////////////////////////////////////////////////////// class LTextView4_Factory : public LViewFactory { LView *NewView(const char *Class, LRect *Pos, const char *Text) { if (_stricmp(Class, "LTextView4") == 0) { return new LTextView4(-1, 0, 0, 2000, 2000); } return 0; } } TextView4_Factory;