diff --git a/src/common/LiteHtml/LiteHtmlView.cpp b/src/common/LiteHtml/LiteHtmlView.cpp
--- a/src/common/LiteHtml/LiteHtmlView.cpp
+++ b/src/common/LiteHtml/LiteHtmlView.cpp
@@ -1,729 +1,713 @@
#include "lgi/common/Lgi.h"
#include "lgi/common/Box.h"
#include "lgi/common/Edit.h"
#include "lgi/common/DisplayString.h"
#include "lgi/common/Layout.h"
#include "lgi/common/ScrollBar.h"
#include "lgi/common/Menu.h"
#include "lgi/common/LiteHtmlView.h"
#include "lgi/common/Thread.h"
#include "lgi/common/Http.h"
#include "lgi/common/PopupNotification.h"
#include "lgi/common/Path.h"
#undef min
#undef max
#include "litehtml/html.h"
#define NOT_IMPL \
LgiTrace("%s:%i - %s not impl.\n", _FL, __func__);
enum Messages
{
M_LOAD_URI = M_USER + 100,
};
struct LiteHtmlViewPriv :
public litehtml::document_container,
public LCancel
{
struct NetworkThread :
public LThread,
public LCancel
{
using TCallback = std::function;
LView *view = NULL;
LString url;
TCallback callback;
NetworkThread(LView *View, const char *Url, TCallback cb) :
LThread("LiteHtmlViewPriv.NetworkThread")
{
view = View;
url = Url;
callback = std::move(cb);
Run();
}
~NetworkThread()
{
Cancel();
WaitForExit();
}
int Main()
{
LStringPipe p;
LString err;
auto result = LgiGetUri(this, &p, &err, url);
// LgiTrace("net(%s) = %i\n", url.Get(), result);
view->RunCallback([result, data=p.NewLStr(), this]()
{
callback(result, data);
});
return 0;
}
};
struct Image
{
int status = -1;
LString uri;
LAutoPtr img;
};
LArray threads;
LiteHtmlView *view = NULL;
LWindow *wnd = NULL;
litehtml::document::ptr doc;
LRect client;
LString cursorName;
LHashTbl, LFont*> fontMap;
LHashTbl, Image*> imageCache;
// Url history state
LString::Array history;
int historyPos = 0;
LiteHtmlViewPriv(LiteHtmlView *v) : view(v)
{
}
~LiteHtmlViewPriv()
{
Empty();
}
void Empty()
{
// Clean up threads...
Cancel(true);
threads.DeleteObjects();
// Do this before releasing other owned objects, like the fontMap.
doc.reset();
// Clean up caches
imageCache.DeleteObjects();
fontMap.DeleteObjects();
// Reset to go state...
Cancel(false);
}
LString CurrentUrl()
{
return history[historyPos];
}
LColour Convert(const litehtml::web_color &c)
{
return LColour(c.red, c.green, c.blue, c.alpha);
}
LRect Convert(const litehtml::position &p)
{
LRect r(p.x, p.y, p.x + p.width - 1, p.y + p.height - 1);
return r;
}
void UpdateScreen(litehtml::position::vector &redraw)
{
if (redraw.size() > 0)
{
// FIXME: should invalidate just the dirty regions...
view->Invalidate();
}
}
litehtml::uint_ptr create_font( const char* faceName,
int size,
int weight,
litehtml::font_style italic,
unsigned int decoration,
litehtml::font_metrics *fm)
{
litehtml::uint_ptr hnd;
do
{
hnd = LRand(10000);
}
while (fontMap.Find(hnd) != NULL);
auto faceNames = LString(faceName).SplitDelimit(",");
printf("create_font('%s', %i, %i, %i, %i)\n",
faceName,
size,
weight,
italic,
decoration);
LFont *fnt = new LFont;
fnt->Bold(weight > 400);
if (italic == litehtml::font_style_italic)
fnt->Italic(true);
for (auto face: faceNames)
{
bool status = fnt->Create(face, LCss::Len(LCss::LenPt, size) );
if (status)
break;
LgiTrace("%s:%i - failed to create font(%s,%i)\n", _FL, faceName, size);
}
fontMap.Add(hnd, fnt);
if (fm)
{
LDisplayString ds(fnt, "x");
fm->height = fnt->GetHeight();
fm->ascent = ceil(fnt->Ascent());
fm->descent = ceil(fnt->Descent());
fm->x_height = ds.Y();
fm->draw_spaces = false;
printf("\tht=%i as=%i de=%i x=%i\n",
fm->height, fm->ascent, fm->descent, fm->x_height);
}
return hnd;
}
void delete_font(litehtml::uint_ptr hFont)
{
auto fnt = fontMap.Find(hFont);
if (fnt)
{
delete fnt;
fontMap.Delete(hFont);
}
}
int text_width(const char* text, litehtml::uint_ptr hFont)
{
auto fnt = fontMap.Find(hFont);
if (!fnt)
return 0;
LDisplayString ds(fnt, text);
return ds.X();
}
void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos)
{
auto pDC = (LSurface*)hdc;
auto Fnt = fontMap.Find(hFont);
if (!pDC || !Fnt)
return;
LDisplayString ds(Fnt, text);
Fnt->Fore(Convert(color));
Fnt->Transparent(true);
ds.Draw(pDC, pos.x, pos.y);
}
int pt_to_px(int pt) const
{
auto dpi = wnd->GetDpi();
int px = pt * dpi.x / 72;
return px;
}
int get_default_font_size() const
{
return LSysFont->PointSize() * 1.3;
}
const char *get_default_font_name() const
{
return LSysFont->Face();
}
void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker &marker)
{
auto pDC = (LSurface*)hdc;
auto Fnt = fontMap.Find(marker.font);
if (!pDC)
return;
pDC->Colour(Convert(marker.color));
switch (marker.marker_type)
{
case litehtml::list_style_type_none:
break;
case litehtml::list_style_type_circle:
pDC->Circle(marker.pos.x, marker.pos.y, 3);
break;
case litehtml::list_style_type_disc:
pDC->FilledCircle(marker.pos.x, marker.pos.y, 3);
break;
case litehtml::list_style_type_square:
pDC->Box(marker.pos.x-2, marker.pos.y-2, marker.pos.x+2, marker.pos.y+2);
break;
default:
LgiTrace("%s:%i - draw_list_marker %i not impl\n", marker.marker_type);
break;
}
}
LString FullUri(const char *src, const char *baseurl)
{
LUri s(src);
if (s.sProtocol)
return src;
+ LUri c(CurrentUrl());
if (s.sPath)
{
- LUri c(CurrentUrl());
c += s.sPath;
return c.ToString();
}
- return LString();
+ c += src;
+ return c.ToString();
}
void load_image(const char *src, const char *baseurl, bool redraw_on_ready)
{
auto absUri = FullUri(src, baseurl);
if (!absUri)
return;
if (!imageCache.Find(absUri))
{
// LgiTrace("load_image(%s) %s + %s\n", absUri.Get(), currentUrl.Get(), src);
if (auto i = new Image)
{
i->uri = absUri;
imageCache.Add(absUri, i);
threads.Add(new NetworkThread(view, absUri, [i, this, redraw_on_ready](auto status, auto data)
{
auto leaf = i->uri.SplitDelimit("/").Last();
if (status)
{
LMemStream s(data.Get(), data.Length(), false);
i->status = i->img.Reset(GdcD->Load(&s, leaf));
// LgiTrace("load_image(%s) load status=%i\n", i->uri.Get(), i->status);
if (i->status && redraw_on_ready)
view->Invalidate();
}
else
{
i->status = false;
// LgiTrace("load_image(%s) network status=%i\n", i->uri.Get(), i->status);
}
}));
}
}
}
void get_image_size(const char *src, const char *baseurl, litehtml::size &sz)
{
auto absUri = FullUri(src, baseurl);
if (!absUri)
return;
if (auto i = imageCache.Find(absUri))
{
if (i->img)
{
sz.width = i->img->X();
sz.height = i->img->Y();
}
}
}
void draw_background(litehtml::uint_ptr hdc, const std::vector &background)
{
auto pDC = (LSurface*)hdc;
for (auto b: background)
{
auto rc = Convert(b.border_box);
if (!b.image.empty())
{
auto absUri = FullUri(b.image.c_str(), b.baseurl.c_str());
if (auto i = imageCache.Find(absUri))
{
if (i->img)
{
auto op = pDC->Op(GDC_ALPHA);
pDC->Blt(b.position_x, b.position_y, i->img);
pDC->Op(op);
}
else LgiTrace("%s:%i - draw_background(img=%s) img no surface\n", _FL, b.image.c_str());
}
else LgiTrace("%s:%i - draw_background(img=%s) img not found\n", _FL, b.image.c_str());
}
else if (!b.gradient.is_empty())
{
if (b.gradient.m_type == litehtml::web_gradient::linear_gradient &&
b.gradient.m_colors.size() == 2)
{
LMemDC mem(rc.X(), rc.Y(), System32BitColourSpace);
LBlendStop stops[2] = {
{0.0, Convert(b.gradient.m_colors[0]).c32()},
{1.0, Convert(b.gradient.m_colors[1]).c32()}
};
LLinearBlendBrush brush(LPointF(0.0, 0.0), LPointF(0.0, rc.Y()), 2, stops);
LPath path;
path.Rectangle(0.0, 0.0, mem.X(), mem.Y());
path.Fill(&mem, brush);
pDC->Blt(rc.x1, rc.y1, &mem);
}
else LgiTrace("%s:%i - Invalid gradient.\n", _FL);
}
else
{
pDC->Colour(Convert(b.color));
pDC->Rectangle(&rc);
}
}
}
void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root)
{
auto pDC = (LSurface*)hdc;
auto drawEdge = [&](const litehtml::border &b, int x, int y, int dx, int dy, int ix, int iy)
{
pDC->Colour(Convert(b.color));
for (int i=0; iLine(x, y, x+dx, y+dy);
x += ix;
y += iy;
}
};
int x2 = draw_pos.width - 1;
int y2 = draw_pos.height - 1;
drawEdge(borders.left, draw_pos.x, draw_pos.y, 0, y2, 1, 0);
drawEdge(borders.top, draw_pos.x, draw_pos.y, x2, 0, 0, 1);
drawEdge(borders.right, draw_pos.x+x2, draw_pos.y, 0, y2, -1, 0);
drawEdge(borders.bottom, draw_pos.x, draw_pos.y+y2, x2, 0, 0, -1);
}
void set_caption(const char* caption)
{
wnd->Name(caption);
}
void set_base_url(const char* base_url)
{
history[historyPos] = base_url;
}
void link(const std::shared_ptr& doc, const litehtml::element::ptr& el)
{
NOT_IMPL
}
void on_anchor_click(const char *url, const litehtml::element::ptr &el)
{
if (!url)
return;
auto full = FullUri(url, NULL);
view->PostEvent(M_LOAD_URI, new LString(full));
}
void set_cursor(const char* cursor)
{
cursorName = cursor;
}
void transform_text(litehtml::string& text, litehtml::text_transform tt)
{
NOT_IMPL
}
void import_css(litehtml::string& text, const litehtml::string& url, litehtml::string& baseurl)
{
- LUri cur(CurrentUrl());
- LUri u(url.c_str());
- LString newUri;
-
- if (u.sProtocol && u.sHost)
- {
- // Absolute URI
- newUri = url.c_str();
- }
- else if (char *s = u.sPath.Get())
- {
- // Relative URI
- if (*s == '/')
- cur.sPath.Empty();
- cur.sPath = u.sPath;
- newUri = cur.ToString();
- }
-
- if (newUri)
+ auto cssUrl = FullUri(url.c_str(), baseurl.c_str());
+ if (cssUrl)
{
LStringPipe out;
LString err;
- if (LgiGetUri(this, &out, &err, newUri))
+ if (LgiGetUri(this, &out, &err, cssUrl))
{
text = out.NewLStr().Get();
}
else LgiTrace("%s:%i - error: LgiGetUri(%s)=%s (currentUrl=%s)\n",
- _FL, newUri.Get(), err.Get(), CurrentUrl().Get());
+ _FL, cssUrl.Get(), err.Get(), CurrentUrl().Get());
}
else LgiTrace("%s:%i - error: no uri for loading css.\n", _FL);
}
void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius)
{
// NOT_IMPL
}
void del_clip()
{
// NOT_IMPL
}
void get_client_rect(litehtml::position &out) const
{
out = litehtml::position(client.x1, client.y1, client.X(), client.Y());
}
litehtml::element::ptr create_element( const char* tag_name,
const litehtml::string_map& attributes,
const std::shared_ptr& doc)
{
return NULL;
}
void get_media_features(litehtml::media_features& media) const
{
// NOT_IMPL
}
void get_language(litehtml::string& language, litehtml::string& culture) const
{
NOT_IMPL
}
/*
litehtml::string resolve_color(const litehtml::string &color) const
{
NOT_IMPL
return litehtml::string();
}
*/
};
/////////////////////////////////////////////////////////////////
LiteHtmlView::LiteHtmlView(int id)
{
d = new LiteHtmlViewPriv(this);
SetId(id);
}
LiteHtmlView::~LiteHtmlView()
{
delete d;
}
void LiteHtmlView::OnAttach()
{
d->wnd = GetWindow();
}
LCursor LiteHtmlView::GetCursor(int x, int y)
{
if (d->cursorName == "pointer")
return LCUR_PointingHand;
return LCUR_Normal;
}
void LiteHtmlView::OnNavigate(LString url)
{
Invalidate();
}
void LiteHtmlView::HistoryBack()
{
if (d->historyPos > 0)
{
d->historyPos--;
LoadCurrent();
}
}
void LiteHtmlView::HistoryForward()
{
if (d->historyPos < d->history.Length() - 1)
{
d->historyPos++;
LoadCurrent();
}
}
bool LiteHtmlView::LoadCurrent()
{
OnHistory(d->historyPos > 0, d->historyPos < d->history.Length() - 1);
// Create the document...
auto url = d->CurrentUrl();
LUri u(url);
if (u.IsProtocol("file") ||
(!u.sProtocol && LFileExists(url)))
{
auto html_text = LReadFile(url);
if (!html_text)
return false;
d->doc = litehtml::document::createFromString(html_text, d);
if (!d->doc)
return false;
OnNavigate(url);
}
else
{
d->threads.Add(new LiteHtmlViewPriv::NetworkThread(this, url, [this, url](auto status, auto data)
{
if (data)
{
d->doc = litehtml::document::createFromString(data, d);
OnNavigate(url);
Invalidate();
}
else LPopupNotification::Message(GetWindow(), LString::Fmt("No data for '%s'", url.Get()));
}));
}
return true;
}
bool LiteHtmlView::SetUrl(LString url)
{
d->Empty();
// Update history and current doc
if (d->history.Length())
d->historyPos++;
d->history.Length(d->historyPos);
d->history[d->historyPos] = url;
return LoadCurrent();
}
void LiteHtmlView::OnPaint(LSurface *pDC)
{
#ifdef WINDOWS
LDoubleBuffer buf(pDC);
#endif
d->client = GetClient();
if (d->doc)
{
pDC->Colour(L_WORKSPACE);
pDC->Rectangle();
auto width = pDC->X();
int r = d->doc->render(width);
if (r)
{
auto width = d->doc->content_width();
auto height = d->doc->content_height();
if (height > Y())
{
SetScrollBars(false, true);
if (VScroll)
{
VScroll->SetRange(height);
VScroll->SetPage(Y());
}
}
litehtml::position clip(0, 0, pDC->X(), pDC->Y());
d->doc->draw((litehtml::uint_ptr)pDC, 0, VScroll?-VScroll->Value():0, &clip);
}
}
else
{
LLayout::OnPaint(pDC);
}
}
int LiteHtmlView::OnNotify(LViewI *c, LNotification n)
{
// LgiTrace("OnNotify %i=%i, %i=%i\n", c->GetId(), IDC_VSCROLL, n.Type, LNotifyValueChanged);
if (c->GetId() == IDC_VSCROLL &&
n.Type == LNotifyValueChanged)
{
// LgiTrace("Inval\n");
Invalidate();
}
return LLayout::OnNotify(c, n);
}
bool LiteHtmlView::OnMouseWheel(double Lines)
{
if (!VScroll)
return false;
VScroll->Value(VScroll->Value() + (Lines * LSysFont->GetHeight()));
return true;
}
void LiteHtmlView::OnMouseClick(LMouse &m)
{
if (!d->doc)
return;
int64_t sx, sy;
GetScrollPos(sx, sy);
litehtml::position::vector redraw_boxes;
if (m.IsContextMenu())
{
LSubMenu sub;
sub.AppendItem("notImpl: submenu", -1, false);
sub.Float(this, m);
}
else if (m.Left())
{
if (m.Down())
d->doc->on_lbutton_down(m.x+sx, m.y+sy, m.x, m.y, redraw_boxes);
else
d->doc->on_lbutton_up(m.x+sx, m.y+sy, m.x, m.y, redraw_boxes);
}
d->UpdateScreen(redraw_boxes);
}
void LiteHtmlView::OnMouseMove(LMouse &m)
{
if (!d->doc)
return;
int64_t sx, sy;
GetScrollPos(sx, sy);
litehtml::position::vector redraw_boxes;
d->doc->on_mouse_over(m.x+sx, m.y+sy, m.x, m.y, redraw_boxes);
d->UpdateScreen(redraw_boxes);
}
LMessage::Result LiteHtmlView::OnEvent(LMessage *Msg)
{
switch (Msg->Msg())
{
case M_LOAD_URI:
{
auto url = Msg->AutoA();
if (url)
SetUrl(*url);
break;
}
}
return LLayout::OnEvent(Msg);
}