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5526e819 1/////////////////////////////////////////////////////////////////////////////
93763ad5 2// Name: src/html/htmlwin.cpp
5526e819
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3// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
4// Author: Vaclav Slavik
69941f05 5// RCS-ID: $Id$
5526e819 6// Copyright: (c) 1999 Vaclav Slavik
65571936 7// Licence: wxWindows licence
5526e819
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8/////////////////////////////////////////////////////////////////////////////
9
3096bd2f 10#include "wx/wxprec.h"
5526e819 11
2b5f62a0 12#ifdef __BORLANDC__
93763ad5 13 #pragma hdrstop
5526e819
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14#endif
15
93763ad5
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16#if wxUSE_HTML && wxUSE_STREAMS
17
5526e819 18#ifndef WXPRECOMP
8ecff181 19 #include "wx/list.h"
04dbb646
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20 #include "wx/log.h"
21 #include "wx/intl.h"
22 #include "wx/dcclient.h"
23 #include "wx/frame.h"
f38924e8 24 #include "wx/dcmemory.h"
c0badb70 25 #include "wx/timer.h"
9eddec69 26 #include "wx/settings.h"
28f92d74 27 #include "wx/dataobj.h"
5526e819
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28#endif
29
69941f05 30#include "wx/html/htmlwin.h"
892aeafc 31#include "wx/html/htmlproc.h"
e3774124 32#include "wx/clipbrd.h"
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33
34#include "wx/arrimpl.cpp"
892aeafc
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35#include "wx/listimpl.cpp"
36
1338c59a 37
1338c59a
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38#if wxUSE_CLIPBOARD
39// ----------------------------------------------------------------------------
40// wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll
41// events when a captured mouse is held outside the window
42// ----------------------------------------------------------------------------
43
44class wxHtmlWinAutoScrollTimer : public wxTimer
45{
46public:
47 wxHtmlWinAutoScrollTimer(wxScrolledWindow *win,
48 wxEventType eventTypeToSend,
49 int pos, int orient)
50 {
51 m_win = win;
52 m_eventType = eventTypeToSend;
53 m_pos = pos;
54 m_orient = orient;
55 }
56
57 virtual void Notify();
58
59private:
60 wxScrolledWindow *m_win;
61 wxEventType m_eventType;
62 int m_pos,
63 m_orient;
64
65 DECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer)
66};
67
68void wxHtmlWinAutoScrollTimer::Notify()
69{
70 // only do all this as long as the window is capturing the mouse
71 if ( wxWindow::GetCapture() != m_win )
72 {
73 Stop();
74 }
75 else // we still capture the mouse, continue generating events
76 {
77 // first scroll the window if we are allowed to do it
78 wxScrollWinEvent event1(m_eventType, m_pos, m_orient);
79 event1.SetEventObject(m_win);
80 if ( m_win->GetEventHandler()->ProcessEvent(event1) )
81 {
82 // and then send a pseudo mouse-move event to refresh the selection
83 wxMouseEvent event2(wxEVT_MOTION);
84 wxGetMousePosition(&event2.m_x, &event2.m_y);
85
86 // the mouse event coordinates should be client, not screen as
87 // returned by wxGetMousePosition
88 wxWindow *parentTop = m_win;
89 while ( parentTop->GetParent() )
90 parentTop = parentTop->GetParent();
91 wxPoint ptOrig = parentTop->GetPosition();
92 event2.m_x -= ptOrig.x;
93 event2.m_y -= ptOrig.y;
94
95 event2.SetEventObject(m_win);
96
97 // FIXME: we don't fill in the other members - ok?
98 m_win->GetEventHandler()->ProcessEvent(event2);
99 }
100 else // can't scroll further, stop
101 {
102 Stop();
103 }
104 }
105}
d659d703
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106
107#endif // wxUSE_CLIPBOARD
1338c59a
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108
109
110
892aeafc
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111//-----------------------------------------------------------------------------
112// wxHtmlHistoryItem
113//-----------------------------------------------------------------------------
114
115// item of history list
4460b6c4 116class WXDLLIMPEXP_HTML wxHtmlHistoryItem
892aeafc
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117{
118public:
119 wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
120 int GetPos() const {return m_Pos;}
121 void SetPos(int p) {m_Pos = p;}
122 const wxString& GetPage() const {return m_Page;}
123 const wxString& GetAnchor() const {return m_Anchor;}
124
125private:
126 wxString m_Page;
127 wxString m_Anchor;
128 int m_Pos;
129};
5526e819 130
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131
132//-----------------------------------------------------------------------------
892aeafc 133// our private arrays:
5526e819
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134//-----------------------------------------------------------------------------
135
892aeafc 136WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray);
17a1ebd1 137WX_DEFINE_OBJARRAY(wxHtmlHistoryArray)
5526e819 138
892aeafc 139WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
17a1ebd1 140WX_DEFINE_LIST(wxHtmlProcessorList)
5526e819 141
bc55e31b
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142//-----------------------------------------------------------------------------
143// wxHtmlWindowMouseHelper
144//-----------------------------------------------------------------------------
145
146wxHtmlWindowMouseHelper::wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface)
147 : m_tmpMouseMoved(false),
148 m_tmpLastLink(NULL),
149 m_tmpLastCell(NULL),
150 m_interface(iface)
151{
152}
153
154void wxHtmlWindowMouseHelper::HandleMouseMoved()
155{
156 m_tmpMouseMoved = true;
157}
158
159bool wxHtmlWindowMouseHelper::HandleMouseClick(wxHtmlCell *rootCell,
160 const wxPoint& pos,
161 const wxMouseEvent& event)
162{
163 if (!rootCell)
164 return false;
165
166 wxHtmlCell *cell = rootCell->FindCellByPos(pos.x, pos.y);
167 // this check is needed because FindCellByPos returns terminal cell and
168 // containers may have empty borders -- in this case NULL will be
169 // returned
170 if (!cell)
171 return false;
172
173 // adjust the coordinates to be relative to this cell:
174 wxPoint relpos = pos - cell->GetAbsPos(rootCell);
175
176 return OnCellClicked(cell, relpos.x, relpos.y, event);
177}
178
179void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell,
180 const wxPoint& pos)
181{
182 wxHtmlCell *cell = rootCell ? rootCell->FindCellByPos(pos.x, pos.y) : NULL;
183
184 if (cell != m_tmpLastCell)
185 {
186 wxHtmlLinkInfo *lnk = NULL;
187 if (cell)
188 {
189 // adjust the coordinates to be relative to this cell:
190 wxPoint relpos = pos - cell->GetAbsPos(rootCell);
191 lnk = cell->GetLink(relpos.x, relpos.y);
192 }
193
194 wxCursor cur;
195 if (cell)
88a1b648 196 cur = cell->GetMouseCursor(m_interface);
bc55e31b 197 else
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198 cur = m_interface->GetHTMLCursor(
199 wxHtmlWindowInterface::HTMLCursor_Default);
200
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201 m_interface->GetHTMLWindow()->SetCursor(cur);
202
203 if (lnk != m_tmpLastLink)
204 {
205 if (lnk)
206 m_interface->SetHTMLStatusText(lnk->GetHref());
207 else
208 m_interface->SetHTMLStatusText(wxEmptyString);
209
210 m_tmpLastLink = lnk;
211 }
212
213 m_tmpLastCell = cell;
214 }
215 else // mouse moved but stayed in the same cell
216 {
217 if ( cell )
218 {
219 OnCellMouseHover(cell, pos.x, pos.y);
220 }
221 }
222
223 m_tmpMouseMoved = false;
224}
225
226bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell,
227 wxCoord x, wxCoord y,
228 const wxMouseEvent& event)
229{
230 wxCHECK_MSG( cell, false, _T("can't be called with NULL cell") );
231
232 return cell->ProcessMouseClick(m_interface, wxPoint(x, y), event);
233}
234
235void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell),
236 wxCoord WXUNUSED(x),
237 wxCoord WXUNUSED(y))
238{
239 // do nothing here
240}
241
892aeafc
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242//-----------------------------------------------------------------------------
243// wxHtmlWindow
244//-----------------------------------------------------------------------------
5526e819 245
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246wxList wxHtmlWindow::m_Filters;
247wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
248wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
249wxCursor *wxHtmlWindow::ms_cursorLink = NULL;
250wxCursor *wxHtmlWindow::ms_cursorText = NULL;
251
252void wxHtmlWindow::CleanUpStatics()
253{
254 wxDELETE(m_DefaultFilter);
255 WX_CLEAR_LIST(wxList, m_Filters);
256 if (m_GlobalProcessors)
257 WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
258 wxDELETE(m_GlobalProcessors);
259 wxDELETE(ms_cursorLink);
260 wxDELETE(ms_cursorText);
261}
5526e819 262
4f417130 263void wxHtmlWindow::Init()
5526e819 264{
89de9af3 265 m_tmpCanDrawLocks = 0;
5526e819 266 m_FS = new wxFileSystem();
67a99992 267#if wxUSE_STATUSBAR
5526e819 268 m_RelatedStatusBar = -1;
67a99992 269#endif // wxUSE_STATUSBAR
5526e819 270 m_RelatedFrame = NULL;
892aeafc 271 m_TitleFormat = wxT("%s");
d5db80c2 272 m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
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273 m_Cell = NULL;
274 m_Parser = new wxHtmlWinParser(this);
4f9297b0 275 m_Parser->SetFS(m_FS);
5526e819 276 m_HistoryPos = -1;
d1da8872 277 m_HistoryOn = true;
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278 m_History = new wxHtmlHistoryArray;
279 m_Processors = NULL;
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280 m_Style = 0;
281 SetBorders(10);
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282 m_selection = NULL;
283 m_makingSelection = false;
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284#if wxUSE_CLIPBOARD
285 m_timerAutoScroll = NULL;
6ce51985 286 m_lastDoubleClick = 0;
d659d703 287#endif // wxUSE_CLIPBOARD
1338c59a 288 m_backBuffer = NULL;
518ba663 289 m_eraseBgInOnPaint = false;
b3c03420 290 m_tmpSelFromCell = NULL;
4f417130
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291}
292
790dbce3 293bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
4f417130 294 const wxPoint& pos, const wxSize& size,
790dbce3 295 long style, const wxString& name)
4f417130 296{
790dbce3 297 if (!wxScrolledWindow::Create(parent, id, pos, size,
2a536376
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298 style | wxVSCROLL | wxHSCROLL,
299 name))
d1da8872 300 return false;
4f417130 301
a547ebff 302 m_Style = style;
4f9297b0 303 SetPage(wxT("<html><body></body></html>"));
d1da8872 304 return true;
5526e819
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305}
306
307
5526e819
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308wxHtmlWindow::~wxHtmlWindow()
309{
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310#if wxUSE_CLIPBOARD
311 StopAutoScrolling();
d659d703 312#endif // wxUSE_CLIPBOARD
5526e819
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313 HistoryClear();
314
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315 delete m_selection;
316
317 delete m_Cell;
5526e819 318
d80096a2
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319 if ( m_Processors )
320 {
321 WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors);
322 }
222ed1d6 323
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324 delete m_Parser;
325 delete m_FS;
892aeafc
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326 delete m_History;
327 delete m_Processors;
1338c59a 328 delete m_backBuffer;
5526e819
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329}
330
331
332
333void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
334{
335 m_RelatedFrame = frame;
336 m_TitleFormat = format;
337}
338
339
340
67a99992 341#if wxUSE_STATUSBAR
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342void wxHtmlWindow::SetRelatedStatusBar(int bar)
343{
344 m_RelatedStatusBar = bar;
345}
67a99992 346#endif // wxUSE_STATUSBAR
269e8200
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347
348
349
fbfb8bcc 350void wxHtmlWindow::SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes)
5526e819 351{
4f9297b0 352 m_Parser->SetFonts(normal_face, fixed_face, sizes);
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353
354 // re-layout the page after changing fonts:
355 DoSetPage(*(m_Parser->GetSource()));
5526e819
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356}
357
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358void wxHtmlWindow::SetStandardFonts(int size,
359 const wxString& normal_face,
360 const wxString& fixed_face)
7acd3625 361{
10e5c7ea 362 m_Parser->SetStandardFonts(size, normal_face, fixed_face);
5526e819 363
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364 // re-layout the page after changing fonts:
365 DoSetPage(*(m_Parser->GetSource()));
366}
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367
368bool wxHtmlWindow::SetPage(const wxString& source)
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369{
370 m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
371 return DoSetPage(source);
372}
373
374bool wxHtmlWindow::DoSetPage(const wxString& source)
5526e819 375{
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376 wxString newsrc(source);
377
adf2eb2d
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378 wxDELETE(m_selection);
379
b3c03420
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380 // we will soon delete all the cells, so clear pointers to them:
381 m_tmpSelFromCell = NULL;
382
892aeafc 383 // pass HTML through registered processors:
960ba969 384 if (m_Processors || m_GlobalProcessors)
892aeafc 385 {
222ed1d6 386 wxHtmlProcessorList::compatibility_iterator nodeL, nodeG;
960ba969 387 int prL, prG;
892aeafc 388
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389 if ( m_Processors )
390 nodeL = m_Processors->GetFirst();
391 if ( m_GlobalProcessors )
392 nodeG = m_GlobalProcessors->GetFirst();
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393
394 // VS: there are two lists, global and local, both of them sorted by
e421922f 395 // priority. Since we have to go through _both_ lists with
960ba969
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396 // decreasing priority, we "merge-sort" the lists on-line by
397 // processing that one of the two heads that has higher priority
398 // in every iteration
399 while (nodeL || nodeG)
892aeafc
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400 {
401 prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1;
960ba969
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402 prG = (nodeG) ? nodeG->GetData()->GetPriority() : -1;
403 if (prL > prG)
892aeafc 404 {
73348d09
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405 if (nodeL->GetData()->IsEnabled())
406 newsrc = nodeL->GetData()->Process(newsrc);
892aeafc
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407 nodeL = nodeL->GetNext();
408 }
960ba969 409 else // prL <= prG
892aeafc 410 {
73348d09
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411 if (nodeG->GetData()->IsEnabled())
412 newsrc = nodeG->GetData()->Process(newsrc);
960ba969 413 nodeG = nodeG->GetNext();
892aeafc
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414 }
415 }
416 }
5526e819 417
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418 // ...and run the parser on it:
419 wxClientDC *dc = new wxClientDC(this);
4f9297b0 420 dc->SetMapMode(wxMM_TEXT);
5526e819 421 SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
97e490f8 422 SetBackgroundImage(wxNullBitmap);
73de5077 423
4f9297b0 424 m_Parser->SetDC(dc);
33ac7e6f 425 if (m_Cell)
4f9297b0 426 {
89de9af3
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427 delete m_Cell;
428 m_Cell = NULL;
f61815af 429 }
892aeafc 430 m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
5526e819 431 delete dc;
4f9297b0
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432 m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
433 m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819 434 CreateLayout();
bfb9ee96 435 if (m_tmpCanDrawLocks == 0)
892aeafc 436 Refresh();
d1da8872 437 return true;
5526e819
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438}
439
39029898
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440bool wxHtmlWindow::AppendToPage(const wxString& source)
441{
73de5077 442 return DoSetPage(*(GetParser()->GetSource()) + source);
39029898 443}
5526e819
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444
445bool wxHtmlWindow::LoadPage(const wxString& location)
446{
1ccabb81 447 wxBusyCursor busyCursor;
790dbce3 448
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449 wxFSFile *f;
450 bool rt_val;
d1da8872 451 bool needs_refresh = false;
33ac7e6f 452
89de9af3 453 m_tmpCanDrawLocks++;
e421922f 454 if (m_HistoryOn && (m_HistoryPos != -1))
4f9297b0 455 {
960ba969 456 // store scroll position into history item:
5526e819 457 int x, y;
e421922f 458 GetViewStart(&x, &y);
892aeafc 459 (*m_History)[m_HistoryPos].SetPos(y);
5526e819
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460 }
461
e421922f 462 if (location[0] == wxT('#'))
4f9297b0 463 {
960ba969 464 // local anchor:
5526e819 465 wxString anch = location.Mid(1) /*1 to end*/;
89de9af3 466 m_tmpCanDrawLocks--;
5526e819 467 rt_val = ScrollToAnchor(anch);
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468 m_tmpCanDrawLocks++;
469 }
33ac7e6f 470 else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage)
4f9297b0 471 {
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472 wxString anch = location.AfterFirst(wxT('#'));
473 m_tmpCanDrawLocks--;
474 rt_val = ScrollToAnchor(anch);
475 m_tmpCanDrawLocks++;
476 }
33ac7e6f
KB
477 else if (location.Find(wxT('#')) != wxNOT_FOUND &&
478 (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage)
e421922f 479 {
fc7dfaf8
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480 wxString anch = location.AfterFirst(wxT('#'));
481 m_tmpCanDrawLocks--;
482 rt_val = ScrollToAnchor(anch);
483 m_tmpCanDrawLocks++;
5526e819
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484 }
485
33ac7e6f 486 else
4f9297b0 487 {
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488 needs_refresh = true;
489#if wxUSE_STATUSBAR
5526e819 490 // load&display it:
33ac7e6f 491 if (m_RelatedStatusBar != -1)
e421922f 492 {
4f9297b0 493 m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
67a99992 494 Refresh(false);
5526e819 495 }
67a99992 496#endif // wxUSE_STATUSBAR
790dbce3 497
6cc4e6b8 498 f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);
33ac7e6f 499
7cb9cf89
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500 // try to interpret 'location' as filename instead of URL:
501 if (f == NULL)
502 {
503 wxFileName fn(location);
504 wxString location2 = wxFileSystem::FileNameToURL(fn);
505 f = m_Parser->OpenURL(wxHTML_URL_PAGE, location2);
506 }
507
33ac7e6f 508 if (f == NULL)
e421922f 509 {
f6bcfd97 510 wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
89de9af3 511 m_tmpCanDrawLocks--;
67a99992 512 return false;
5526e819
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513 }
514
33ac7e6f 515 else
e421922f 516 {
222ed1d6 517 wxList::compatibility_iterator node;
5526e819
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518 wxString src = wxEmptyString;
519
67a99992 520#if wxUSE_STATUSBAR
33ac7e6f 521 if (m_RelatedStatusBar != -1)
e421922f 522 {
5526e819 523 wxString msg = _("Loading : ") + location;
4f9297b0 524 m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
67a99992 525 Refresh(false);
5526e819 526 }
67a99992 527#endif // wxUSE_STATUSBAR
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528
529 node = m_Filters.GetFirst();
4f9297b0 530 while (node)
e421922f 531 {
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532 wxHtmlFilter *h = (wxHtmlFilter*) node->GetData();
533 if (h->CanRead(*f))
e421922f 534 {
4f9297b0 535 src = h->ReadFile(*f);
5526e819
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536 break;
537 }
4f9297b0 538 node = node->GetNext();
5526e819 539 }
33ac7e6f 540 if (src == wxEmptyString)
e421922f 541 {
89de9af3 542 if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
4f9297b0 543 src = m_DefaultFilter->ReadFile(*f);
89de9af3 544 }
5526e819 545
4f9297b0 546 m_FS->ChangePathTo(f->GetLocation());
5526e819 547 rt_val = SetPage(src);
4f9297b0 548 m_OpenedPage = f->GetLocation();
33ac7e6f 549 if (f->GetAnchor() != wxEmptyString)
e421922f 550 {
4f9297b0 551 ScrollToAnchor(f->GetAnchor());
5526e819
VS
552 }
553
554 delete f;
555
67a99992 556#if wxUSE_STATUSBAR
d1da8872 557 if (m_RelatedStatusBar != -1)
67a99992
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558 m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
559#endif // wxUSE_STATUSBAR
5526e819
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560 }
561 }
562
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563 if (m_HistoryOn) // add this page to history there:
564 {
892aeafc 565 int c = m_History->GetCount() - (m_HistoryPos + 1);
5526e819 566
0cb9cfb2 567 if (m_HistoryPos < 0 ||
ee19c324
VS
568 (*m_History)[m_HistoryPos].GetPage() != m_OpenedPage ||
569 (*m_History)[m_HistoryPos].GetAnchor() != m_OpenedAnchor)
570 {
571 m_HistoryPos++;
572 for (int i = 0; i < c; i++)
b54e41c5 573 m_History->RemoveAt(m_HistoryPos);
ee19c324
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574 m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
575 }
5526e819
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576 }
577
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578 if (m_OpenedPageTitle == wxEmptyString)
579 OnSetTitle(wxFileNameFromPath(m_OpenedPage));
fc7dfaf8 580
33ac7e6f 581 if (needs_refresh)
4f9297b0 582 {
fc7dfaf8
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583 m_tmpCanDrawLocks--;
584 Refresh();
585 }
586 else
587 m_tmpCanDrawLocks--;
588
5526e819
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589 return rt_val;
590}
591
592
7cb9cf89
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593bool wxHtmlWindow::LoadFile(const wxFileName& filename)
594{
595 wxString url = wxFileSystem::FileNameToURL(filename);
596 return LoadPage(url);
597}
598
5526e819
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599
600bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
601{
4f9297b0 602 const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor);
f3c82859
VS
603 if (!c)
604 {
f6bcfd97 605 wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
d1da8872 606 return false;
f3c82859 607 }
33ac7e6f 608 else
4f9297b0 609 {
5526e819 610 int y;
269e8200 611
4f9297b0 612 for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
efba2b89 613 Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 614 m_OpenedAnchor = anchor;
d1da8872 615 return true;
5526e819
VS
616 }
617}
618
619
d5db80c2 620void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 621{
33ac7e6f 622 if (m_RelatedFrame)
4f9297b0 623 {
5526e819
VS
624 wxString tit;
625 tit.Printf(m_TitleFormat, title.c_str());
4f9297b0 626 m_RelatedFrame->SetTitle(tit);
5526e819 627 }
d5db80c2 628 m_OpenedPageTitle = title;
5526e819
VS
629}
630
631
632
633
634
635void wxHtmlWindow::CreateLayout()
636{
637 int ClientWidth, ClientHeight;
638
639 if (!m_Cell) return;
a547ebff 640
33ac7e6f 641 if (m_Style & wxHW_SCROLLBAR_NEVER)
4f9297b0 642 {
689f42f4 643 SetScrollbars(1, 1, 0, 0); // always off
a547ebff 644 GetClientSize(&ClientWidth, &ClientHeight);
4f9297b0 645 m_Cell->Layout(ClientWidth);
a547ebff
VS
646 }
647
648 else {
649 GetClientSize(&ClientWidth, &ClientHeight);
4f9297b0 650 m_Cell->Layout(ClientWidth);
33ac7e6f 651 if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
e421922f 652 {
f3bcfd9b
VS
653 SetScrollbars(
654 wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
4f9297b0
VS
655 m_Cell->GetWidth() / wxHTML_SCROLL_STEP,
656 (m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
f3bcfd9b 657 /*cheat: top-level frag is always container*/);
a547ebff 658 }
4f9297b0 659 else /* we fit into window, no need for scrollbars */
e421922f 660 {
4f9297b0 661 SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
89de9af3 662 GetClientSize(&ClientWidth, &ClientHeight);
4f9297b0 663 m_Cell->Layout(ClientWidth); // ...and relayout
89de9af3 664 }
a547ebff 665 }
5526e819
VS
666}
667
269e8200 668
5526e819
VS
669
670void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
671{
672 wxString oldpath;
673 wxString tmp;
d5db80c2
VS
674 int p_fontsizes[7];
675 wxString p_fff, p_ffn;
5526e819 676
33ac7e6f 677 if (path != wxEmptyString)
4f9297b0
VS
678 {
679 oldpath = cfg->GetPath();
680 cfg->SetPath(path);
5526e819
VS
681 }
682
892aeafc
VS
683 m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders);
684 p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
685 p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
bfb9ee96 686 for (int i = 0; i < 7; i++)
4f9297b0 687 {
66a77a74 688 tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
4f9297b0 689 p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]);
5526e819 690 }
8eb2940f 691 SetFonts(p_ffn, p_fff, p_fontsizes);
5526e819
VS
692
693 if (path != wxEmptyString)
4f9297b0 694 cfg->SetPath(oldpath);
5526e819
VS
695}
696
697
698
699void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
700{
701 wxString oldpath;
702 wxString tmp;
703
33ac7e6f 704 if (path != wxEmptyString)
4f9297b0
VS
705 {
706 oldpath = cfg->GetPath();
707 cfg->SetPath(path);
5526e819
VS
708 }
709
892aeafc
VS
710 cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders);
711 cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
712 cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
bfb9ee96 713 for (int i = 0; i < 7; i++)
4f9297b0 714 {
66a77a74 715 tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
4f9297b0 716 cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]);
5526e819
VS
717 }
718
719 if (path != wxEmptyString)
4f9297b0 720 cfg->SetPath(oldpath);
5526e819
VS
721}
722
723
724
725bool wxHtmlWindow::HistoryBack()
726{
727 wxString a, l;
728
d1da8872 729 if (m_HistoryPos < 1) return false;
5526e819 730
bbda1088
VS
731 // store scroll position into history item:
732 int x, y;
e421922f 733 GetViewStart(&x, &y);
892aeafc 734 (*m_History)[m_HistoryPos].SetPos(y);
bbda1088
VS
735
736 // go to previous position:
5526e819
VS
737 m_HistoryPos--;
738
892aeafc
VS
739 l = (*m_History)[m_HistoryPos].GetPage();
740 a = (*m_History)[m_HistoryPos].GetAnchor();
d1da8872 741 m_HistoryOn = false;
89de9af3 742 m_tmpCanDrawLocks++;
5526e819 743 if (a == wxEmptyString) LoadPage(l);
fc7dfaf8 744 else LoadPage(l + wxT("#") + a);
d1da8872 745 m_HistoryOn = true;
89de9af3 746 m_tmpCanDrawLocks--;
892aeafc 747 Scroll(0, (*m_History)[m_HistoryPos].GetPos());
5526e819 748 Refresh();
d1da8872 749 return true;
5526e819
VS
750}
751
1b113a81
VS
752bool wxHtmlWindow::HistoryCanBack()
753{
d1da8872
WS
754 if (m_HistoryPos < 1) return false;
755 return true ;
1b113a81 756}
5526e819
VS
757
758
759bool wxHtmlWindow::HistoryForward()
760{
761 wxString a, l;
762
d1da8872
WS
763 if (m_HistoryPos == -1) return false;
764 if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
5526e819
VS
765
766 m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
767
768 m_HistoryPos++;
892aeafc
VS
769 l = (*m_History)[m_HistoryPos].GetPage();
770 a = (*m_History)[m_HistoryPos].GetAnchor();
d1da8872 771 m_HistoryOn = false;
89de9af3 772 m_tmpCanDrawLocks++;
5526e819 773 if (a == wxEmptyString) LoadPage(l);
fc7dfaf8 774 else LoadPage(l + wxT("#") + a);
d1da8872 775 m_HistoryOn = true;
89de9af3 776 m_tmpCanDrawLocks--;
892aeafc 777 Scroll(0, (*m_History)[m_HistoryPos].GetPos());
5526e819 778 Refresh();
d1da8872 779 return true;
5526e819
VS
780}
781
1b113a81
VS
782bool wxHtmlWindow::HistoryCanForward()
783{
d1da8872
WS
784 if (m_HistoryPos == -1) return false;
785 if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
786 return true ;
1b113a81 787}
5526e819
VS
788
789
790void wxHtmlWindow::HistoryClear()
791{
892aeafc 792 m_History->Empty();
5526e819
VS
793 m_HistoryPos = -1;
794}
795
892aeafc
VS
796void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
797{
798 if (!m_Processors)
799 {
800 m_Processors = new wxHtmlProcessorList;
892aeafc 801 }
222ed1d6 802 wxHtmlProcessorList::compatibility_iterator node;
bfb9ee96 803
892aeafc
VS
804 for (node = m_Processors->GetFirst(); node; node = node->GetNext())
805 {
bfb9ee96 806 if (processor->GetPriority() > node->GetData()->GetPriority())
892aeafc
VS
807 {
808 m_Processors->Insert(node, processor);
960ba969 809 return;
892aeafc
VS
810 }
811 }
960ba969 812 m_Processors->Append(processor);
892aeafc
VS
813}
814
960ba969 815/*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor)
892aeafc 816{
960ba969 817 if (!m_GlobalProcessors)
892aeafc 818 {
960ba969 819 m_GlobalProcessors = new wxHtmlProcessorList;
892aeafc 820 }
222ed1d6 821 wxHtmlProcessorList::compatibility_iterator node;
e421922f 822
960ba969 823 for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext())
892aeafc 824 {
bfb9ee96 825 if (processor->GetPriority() > node->GetData()->GetPriority())
892aeafc 826 {
960ba969
VS
827 m_GlobalProcessors->Insert(node, processor);
828 return;
892aeafc
VS
829 }
830 }
960ba969 831 m_GlobalProcessors->Append(processor);
892aeafc
VS
832}
833
5526e819
VS
834
835
5526e819
VS
836void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
837{
5526e819
VS
838 m_Filters.Append(filter);
839}
840
841
36c4ff4d
VS
842bool wxHtmlWindow::IsSelectionEnabled() const
843{
844#if wxUSE_CLIPBOARD
845 return !(m_Style & wxHW_NO_SELECTION);
846#else
847 return false;
848#endif
849}
d659d703 850
e3774124 851
1338c59a 852#if wxUSE_CLIPBOARD
977b867e 853wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
e3774124 854{
977b867e 855 if ( !sel )
e3774124
VS
856 return wxEmptyString;
857
f30e67db
VS
858 wxClientDC dc(this);
859
977b867e 860 const wxHtmlCell *end = sel->GetToCell();
e3774124 861 wxString text;
977b867e 862 wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
e3774124
VS
863 if ( i )
864 {
977b867e 865 text << i->ConvertToText(sel);
e3774124
VS
866 ++i;
867 }
868 const wxHtmlCell *prev = *i;
869 while ( i )
870 {
871 if ( prev->GetParent() != i->GetParent() )
872 text << _T('\n');
977b867e 873 text << i->ConvertToText(*i == end ? sel : NULL);
e3774124
VS
874 prev = *i;
875 ++i;
876 }
877 return text;
878}
879
977b867e
VS
880wxString wxHtmlWindow::ToText()
881{
882 if (m_Cell)
883 {
884 wxHtmlSelection sel;
885 sel.Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
886 return DoSelectionToText(&sel);
887 }
888 else
889 return wxEmptyString;
890}
891
d659d703
VZ
892#endif // wxUSE_CLIPBOARD
893
8feaa81f 894bool wxHtmlWindow::CopySelection(ClipboardType t)
e3774124 895{
d659d703 896#if wxUSE_CLIPBOARD
e3774124
VS
897 if ( m_selection )
898 {
28b2ac5b 899#if defined(__UNIX__) && !defined(__WXMAC__)
e3774124 900 wxTheClipboard->UsePrimarySelection(t == Primary);
d659d703
VZ
901#else // !__UNIX__
902 // Primary selection exists only under X11, so don't do anything under
903 // the other platforms when we try to access it
904 //
905 // TODO: this should be abstracted at wxClipboard level!
906 if ( t == Primary )
8feaa81f 907 return false;
d659d703
VZ
908#endif // __UNIX__/!__UNIX__
909
e3774124
VS
910 if ( wxTheClipboard->Open() )
911 {
d659d703 912 const wxString txt(SelectionToText());
e3774124
VS
913 wxTheClipboard->SetData(new wxTextDataObject(txt));
914 wxTheClipboard->Close();
915 wxLogTrace(_T("wxhtmlselection"),
916 _("Copied to clipboard:\"%s\""), txt.c_str());
8feaa81f
VZ
917
918 return true;
e3774124
VS
919 }
920 }
caf448e3
WS
921#else
922 wxUnusedVar(t);
d659d703 923#endif // wxUSE_CLIPBOARD
8feaa81f
VZ
924
925 return false;
e3774124 926}
5526e819
VS
927
928
0b2dadd3 929void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
5526e819 930{
31d8b4ad
VS
931 const wxMouseEvent *e = link.GetEvent();
932 if (e == NULL || e->LeftUp())
933 LoadPage(link.GetHref());
5526e819
VS
934}
935
12148be2 936void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
1338c59a 937{
97e490f8
VZ
938 if ( !m_bmpBg.Ok() )
939 {
518ba663
VZ
940 // don't even skip the event, if we don't have a bg bitmap we're going
941 // to overwrite background in OnPaint() below anyhow, so letting the
942 // default handling take place would only result in flicker, just set a
943 // flag to erase the background below
944 m_eraseBgInOnPaint = true;
97e490f8
VZ
945 return;
946 }
947
948 wxDC& dc = *event.GetDC();
949
950 // if the image is not fully opaque, we have to erase the background before
951 // drawing it, however avoid doing it for opaque images as this would just
952 // result in extra flicker without any other effect as background is
953 // completely covered anyhow
954 if ( m_bmpBg.GetMask() )
955 {
956 dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
957 dc.Clear();
958 }
959
960 const wxSize sizeWin(GetClientSize());
961 const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
962 for ( wxCoord x = 0; x < sizeWin.x; x += sizeBmp.x )
963 {
964 for ( wxCoord y = 0; y < sizeWin.y; y += sizeBmp.y )
965 {
966 dc.DrawBitmap(m_bmpBg, x, y, true /* use mask */);
967 }
968 }
1338c59a
VS
969}
970
971void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
5526e819 972{
1338c59a
VS
973 wxPaintDC dc(this);
974
518ba663
VZ
975 if (m_tmpCanDrawLocks > 0 || m_Cell == NULL)
976 return;
5526e819 977
b835e9bf 978 int x, y;
e421922f 979 GetViewStart(&x, &y);
1338c59a
VS
980 wxRect rect = GetUpdateRegion().GetBox();
981 wxSize sz = GetSize();
982
983 wxMemoryDC dcm;
984 if ( !m_backBuffer )
985 m_backBuffer = new wxBitmap(sz.x, sz.y);
d659d703 986 dcm.SelectObject(*m_backBuffer);
a03ae172 987
518ba663
VZ
988 if ( m_eraseBgInOnPaint )
989 {
990 dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
991 dcm.Clear();
992
993 m_eraseBgInOnPaint = false;
994 }
995 else // someone has already erased the background, keep it
996 {
997 // preserve the existing background, otherwise we'd erase anything the
998 // user code had drawn in its EVT_ERASE_BACKGROUND handler when we do
999 // the Blit back below
1000 dcm.Blit(0, rect.GetTop(),
1001 sz.x, rect.GetBottom() - rect.GetTop() + 1,
1002 &dc,
1003 0, rect.GetTop());
1004 }
a03ae172 1005
7f461f8a 1006 PrepareDC(dcm);
1338c59a
VS
1007 dcm.SetMapMode(wxMM_TEXT);
1008 dcm.SetBackgroundMode(wxTRANSPARENT);
d659d703 1009
f30e67db
VS
1010 wxHtmlRenderingInfo rinfo;
1011 wxDefaultHtmlRenderingStyle rstyle;
1012 rinfo.SetSelection(m_selection);
1013 rinfo.SetStyle(&rstyle);
1338c59a 1014 m_Cell->Draw(dcm, 0, 0,
790dbce3 1015 y * wxHTML_SCROLL_STEP + rect.GetTop(),
36c4ff4d 1016 y * wxHTML_SCROLL_STEP + rect.GetBottom(),
f30e67db 1017 rinfo);
d1da8872
WS
1018
1019//#define DEBUG_HTML_SELECTION
03693319
VS
1020#ifdef DEBUG_HTML_SELECTION
1021 {
1022 int xc, yc, x, y;
1023 wxGetMousePosition(&xc, &yc);
1024 ScreenToClient(&xc, &yc);
1025 CalcUnscrolledPosition(xc, yc, &x, &y);
1026 wxHtmlCell *at = m_Cell->FindCellByPos(x, y);
d1da8872 1027 wxHtmlCell *before =
03693319 1028 m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE);
d1da8872 1029 wxHtmlCell *after =
03693319 1030 m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER);
d1da8872 1031
03693319
VS
1032 dcm.SetBrush(*wxTRANSPARENT_BRUSH);
1033 dcm.SetPen(*wxBLACK_PEN);
1034 if (at)
1035 dcm.DrawRectangle(at->GetAbsPos(),
1036 wxSize(at->GetWidth(),at->GetHeight()));
1037 dcm.SetPen(*wxGREEN_PEN);
1038 if (before)
1039 dcm.DrawRectangle(before->GetAbsPos().x+1, before->GetAbsPos().y+1,
1040 before->GetWidth()-2,before->GetHeight()-2);
1041 dcm.SetPen(*wxRED_PEN);
1042 if (after)
1043 dcm.DrawRectangle(after->GetAbsPos().x+2, after->GetAbsPos().y+2,
1044 after->GetWidth()-4,after->GetHeight()-4);
1045 }
1046#endif
d1da8872 1047
1338c59a
VS
1048 dcm.SetDeviceOrigin(0,0);
1049 dc.Blit(0, rect.GetTop(),
1050 sz.x, rect.GetBottom() - rect.GetTop() + 1,
1051 &dcm,
1052 0, rect.GetTop());
5526e819
VS
1053}
1054
1055
1056
1057
1058void wxHtmlWindow::OnSize(wxSizeEvent& event)
1059{
1338c59a
VS
1060 wxDELETE(m_backBuffer);
1061
5526e819
VS
1062 wxScrolledWindow::OnSize(event);
1063 CreateLayout();
1338c59a
VS
1064
1065 // Recompute selection if necessary:
1066 if ( m_selection )
1067 {
1068 m_selection->Set(m_selection->GetFromCell(),
1069 m_selection->GetToCell());
1070 m_selection->ClearPrivPos();
1071 }
d659d703 1072
f6bcfd97 1073 Refresh();
5526e819
VS
1074}
1075
1076
fc7a2a60 1077void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
5526e819 1078{
bc55e31b 1079 wxHtmlWindowMouseHelper::HandleMouseMoved();
31d8b4ad 1080}
5526e819 1081
adf2eb2d 1082void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
31d8b4ad 1083{
0994d968 1084#if wxUSE_CLIPBOARD
adf2eb2d 1085 if ( event.LeftDown() && IsSelectionEnabled() )
4f9297b0 1086 {
0994d968
VS
1087 const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick
1088 if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN )
adf2eb2d 1089 {
0994d968 1090 SelectLine(CalcUnscrolledPosition(event.GetPosition()));
d659d703 1091
5de65c69 1092 (void) CopySelection();
adf2eb2d 1093 }
0994d968 1094 else
d659d703 1095 {
0994d968 1096 m_makingSelection = true;
d659d703 1097
0994d968
VS
1098 if ( m_selection )
1099 {
1100 wxDELETE(m_selection);
1101 Refresh();
1102 }
1103 m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition());
1104 m_tmpSelFromCell = NULL;
5526e819 1105
0994d968
VS
1106 CaptureMouse();
1107 }
adf2eb2d 1108 }
caf448e3
WS
1109#else
1110 wxUnusedVar(event);
d659d703 1111#endif // wxUSE_CLIPBOARD
adf2eb2d 1112}
5526e819 1113
adf2eb2d
VS
1114void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
1115{
1338c59a 1116#if wxUSE_CLIPBOARD
adf2eb2d
VS
1117 if ( m_makingSelection )
1118 {
1119 ReleaseMouse();
1120 m_makingSelection = false;
1121
1122 // did the user move the mouse far enough from starting point?
8feaa81f 1123 if ( CopySelection(Primary) )
adf2eb2d
VS
1124 {
1125 // we don't want mouse up event that ended selecting to be
1126 // handled as mouse click and e.g. follow hyperlink:
1127 return;
1128 }
1129 }
d659d703
VZ
1130#endif // wxUSE_CLIPBOARD
1131
adf2eb2d 1132 SetFocus();
f6010d8f 1133
bc55e31b
VS
1134 wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
1135 wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event);
5526e819
VS
1136}
1137
63e819f2
VS
1138#if wxUSE_CLIPBOARD
1139void wxHtmlWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
1140{
1141 if ( !m_makingSelection )
1142 return;
1143
1144 // discard the selecting operation
1145 m_makingSelection = false;
1146 wxDELETE(m_selection);
1147 m_tmpSelFromCell = NULL;
1148 Refresh();
1149}
1150#endif // wxUSE_CLIPBOARD
5526e819
VS
1151
1152
5180055b
JS
1153void wxHtmlWindow::OnInternalIdle()
1154{
1155 wxWindow::OnInternalIdle();
d1da8872 1156
bc55e31b 1157 if (m_Cell != NULL && DidMouseMove())
4f9297b0 1158 {
03693319
VS
1159#ifdef DEBUG_HTML_SELECTION
1160 Refresh();
1161#endif
adf2eb2d
VS
1162 int xc, yc, x, y;
1163 wxGetMousePosition(&xc, &yc);
1164 ScreenToClient(&xc, &yc);
1165 CalcUnscrolledPosition(xc, yc, &x, &y);
0cb9cfb2 1166
f6010d8f 1167 wxHtmlCell *cell = m_Cell->FindCellByPos(x, y);
adf2eb2d
VS
1168
1169 // handle selection update:
1170 if ( m_makingSelection )
1171 {
adf2eb2d 1172 if ( !m_tmpSelFromCell )
748418c0
VS
1173 m_tmpSelFromCell = m_Cell->FindCellByPos(
1174 m_tmpSelFromPos.x,m_tmpSelFromPos.y);
d1da8872 1175
03693319
VS
1176 // NB: a trick - we adjust selFromPos to be upper left or bottom
1177 // right corner of the first cell of the selection depending
1178 // on whether the mouse is moving to the right or to the left.
1179 // This gives us more "natural" behaviour when selecting
1180 // a line (specifically, first cell of the next line is not
1181 // included if you drag selection from left to right over
1182 // entire line):
1183 wxPoint dirFromPos;
1184 if ( !m_tmpSelFromCell )
1185 {
1186 dirFromPos = m_tmpSelFromPos;
1187 }
1188 else
1189 {
1190 dirFromPos = m_tmpSelFromCell->GetAbsPos();
1191 if ( x < m_tmpSelFromPos.x )
1192 {
1193 dirFromPos.x += m_tmpSelFromCell->GetWidth();
1194 dirFromPos.y += m_tmpSelFromCell->GetHeight();
1195 }
1196 }
d1da8872 1197 bool goingDown = dirFromPos.y < y ||
03693319
VS
1198 (dirFromPos.y == y && dirFromPos.x < x);
1199
1200 // determine selection span:
748418c0 1201 if ( /*still*/ !m_tmpSelFromCell )
adf2eb2d
VS
1202 {
1203 if (goingDown)
1204 {
5a1597e9
VS
1205 m_tmpSelFromCell = m_Cell->FindCellByPos(
1206 m_tmpSelFromPos.x,m_tmpSelFromPos.y,
1207 wxHTML_FIND_NEAREST_AFTER);
adf2eb2d
VS
1208 if (!m_tmpSelFromCell)
1209 m_tmpSelFromCell = m_Cell->GetFirstTerminal();
1210 }
1211 else
1212 {
5a1597e9
VS
1213 m_tmpSelFromCell = m_Cell->FindCellByPos(
1214 m_tmpSelFromPos.x,m_tmpSelFromPos.y,
1215 wxHTML_FIND_NEAREST_BEFORE);
adf2eb2d
VS
1216 if (!m_tmpSelFromCell)
1217 m_tmpSelFromCell = m_Cell->GetLastTerminal();
1218 }
1219 }
1220
1221 wxHtmlCell *selcell = cell;
1222 if (!selcell)
1223 {
1224 if (goingDown)
1225 {
1226 selcell = m_Cell->FindCellByPos(x, y,
03693319 1227 wxHTML_FIND_NEAREST_BEFORE);
adf2eb2d
VS
1228 if (!selcell)
1229 selcell = m_Cell->GetLastTerminal();
1230 }
1231 else
1232 {
1233 selcell = m_Cell->FindCellByPos(x, y,
03693319 1234 wxHTML_FIND_NEAREST_AFTER);
adf2eb2d
VS
1235 if (!selcell)
1236 selcell = m_Cell->GetFirstTerminal();
1237 }
1238 }
1239
1240 // NB: it may *rarely* happen that the code above didn't find one
1241 // of the cells, e.g. if wxHtmlWindow doesn't contain any
d659d703 1242 // visible cells.
adf2eb2d 1243 if ( selcell && m_tmpSelFromCell )
d659d703 1244 {
adf2eb2d
VS
1245 if ( !m_selection )
1246 {
1247 // start selecting only if mouse movement was big enough
1248 // (otherwise it was meant as mouse click, not selection):
1249 const int PRECISION = 2;
1250 wxPoint diff = m_tmpSelFromPos - wxPoint(x,y);
1251 if (abs(diff.x) > PRECISION || abs(diff.y) > PRECISION)
1252 {
1253 m_selection = new wxHtmlSelection();
1254 }
1255 }
1256 if ( m_selection )
1257 {
e3774124 1258 if ( m_tmpSelFromCell->IsBefore(selcell) )
adf2eb2d
VS
1259 {
1260 m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell,
f30e67db 1261 wxPoint(x,y), selcell); }
adf2eb2d
VS
1262 else
1263 {
1264 m_selection->Set(wxPoint(x,y), selcell,
1265 m_tmpSelFromPos, m_tmpSelFromCell);
1266 }
1338c59a
VS
1267 m_selection->ClearPrivPos();
1268 Refresh();
adf2eb2d
VS
1269 }
1270 }
1271 }
d659d703 1272
adf2eb2d 1273 // handle cursor and status bar text changes:
f6010d8f 1274
bc55e31b
VS
1275 // NB: because we're passing in 'cell' and not 'm_Cell' (so that the
1276 // leaf cell lookup isn't done twice), we need to adjust the
1277 // position for the new root:
1278 wxPoint posInCell(x, y);
1279 if (cell)
1280 posInCell -= cell->GetAbsPos();
1281 wxHtmlWindowMouseHelper::HandleIdle(cell, posInCell);
5526e819
VS
1282 }
1283}
1284
e3774124 1285#if wxUSE_CLIPBOARD
1338c59a
VS
1286void wxHtmlWindow::StopAutoScrolling()
1287{
1288 if ( m_timerAutoScroll )
1289 {
1290 wxDELETE(m_timerAutoScroll);
1291 }
1292}
1293
1294void wxHtmlWindow::OnMouseEnter(wxMouseEvent& event)
1295{
1296 StopAutoScrolling();
1297 event.Skip();
1298}
1299
1300void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event)
1301{
1302 // don't prevent the usual processing of the event from taking place
1303 event.Skip();
1304
1305 // when a captured mouse leave a scrolled window we start generate
1306 // scrolling events to allow, for example, extending selection beyond the
1307 // visible area in some controls
1308 if ( wxWindow::GetCapture() == this )
1309 {
1310 // where is the mouse leaving?
1311 int pos, orient;
1312 wxPoint pt = event.GetPosition();
1313 if ( pt.x < 0 )
1314 {
1315 orient = wxHORIZONTAL;
1316 pos = 0;
1317 }
1318 else if ( pt.y < 0 )
1319 {
1320 orient = wxVERTICAL;
1321 pos = 0;
1322 }
1323 else // we're lower or to the right of the window
1324 {
1325 wxSize size = GetClientSize();
1326 if ( pt.x > size.x )
1327 {
1328 orient = wxHORIZONTAL;
1329 pos = GetVirtualSize().x / wxHTML_SCROLL_STEP;
1330 }
1331 else if ( pt.y > size.y )
1332 {
1333 orient = wxVERTICAL;
1334 pos = GetVirtualSize().y / wxHTML_SCROLL_STEP;
1335 }
1336 else // this should be impossible
1337 {
1338 // but seems to happen sometimes under wxMSW - maybe it's a bug
1339 // there but for now just ignore it
1340
1341 //wxFAIL_MSG( _T("can't understand where has mouse gone") );
1342
1343 return;
1344 }
1345 }
1346
1347 // only start the auto scroll timer if the window can be scrolled in
1348 // this direction
1349 if ( !HasScrollbar(orient) )
1350 return;
1351
1352 delete m_timerAutoScroll;
1353 m_timerAutoScroll = new wxHtmlWinAutoScrollTimer
1354 (
1355 this,
1356 pos == 0 ? wxEVT_SCROLLWIN_LINEUP
1357 : wxEVT_SCROLLWIN_LINEDOWN,
1358 pos,
1359 orient
1360 );
1361 m_timerAutoScroll->Start(50); // FIXME: make configurable
1362 }
1363}
1364
e3774124
VS
1365void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
1366{
abe64011 1367 if ( IsSelectionEnabled() && event.GetKeyCode() == 'C' && event.CmdDown() )
e3774124 1368 {
5de65c69 1369 (void) CopySelection();
e3774124 1370 }
e3774124
VS
1371}
1372
fc7a2a60 1373void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
e3774124 1374{
5de65c69 1375 (void) CopySelection();
e3774124 1376}
d659d703 1377
31eefb99
VS
1378void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
1379{
1380 // select word under cursor:
1381 if ( IsSelectionEnabled() )
1382 {
0994d968 1383 SelectWord(CalcUnscrolledPosition(event.GetPosition()));
d659d703 1384
5de65c69 1385 (void) CopySelection(Primary);
d659d703 1386
0994d968 1387 m_lastDoubleClick = wxGetLocalTimeMillis();
31eefb99
VS
1388 }
1389 else
1390 event.Skip();
1391}
0994d968
VS
1392
1393void wxHtmlWindow::SelectWord(const wxPoint& pos)
1394{
2a536376 1395 if ( m_Cell )
0994d968 1396 {
2a536376
VS
1397 wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
1398 if ( cell )
1399 {
1400 delete m_selection;
1401 m_selection = new wxHtmlSelection();
1402 m_selection->Set(cell, cell);
1403 RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()),
1404 wxSize(cell->GetWidth(), cell->GetHeight())));
1405 }
0994d968
VS
1406 }
1407}
1408
1409void wxHtmlWindow::SelectLine(const wxPoint& pos)
1410{
2a536376 1411 if ( m_Cell )
0994d968 1412 {
2a536376
VS
1413 wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
1414 if ( cell )
0994d968 1415 {
2a536376
VS
1416 // We use following heuristic to find a "line": let the line be all
1417 // cells in same container as the cell under mouse cursor that are
1418 // neither completely above nor completely bellow the clicked cell
1419 // (i.e. are likely to be words positioned on same line of text).
1420
1421 int y1 = cell->GetAbsPos().y;
1422 int y2 = y1 + cell->GetHeight();
1423 int y;
1424 const wxHtmlCell *c;
1425 const wxHtmlCell *before = NULL;
1426 const wxHtmlCell *after = NULL;
1427
1428 // find last cell of line:
1429 for ( c = cell->GetNext(); c; c = c->GetNext())
1430 {
1431 y = c->GetAbsPos().y;
1432 if ( y + c->GetHeight() > y1 && y < y2 )
1433 after = c;
1434 else
1435 break;
1436 }
1437 if ( !after )
1438 after = cell;
0994d968 1439
2a536376
VS
1440 // find first cell of line:
1441 for ( c = cell->GetParent()->GetFirstChild();
1442 c && c != cell; c = c->GetNext())
0994d968 1443 {
2a536376
VS
1444 y = c->GetAbsPos().y;
1445 if ( y + c->GetHeight() > y1 && y < y2 )
1446 {
1447 if ( ! before )
1448 before = c;
1449 }
1450 else
1451 before = NULL;
0994d968 1452 }
2a536376
VS
1453 if ( !before )
1454 before = cell;
1455
1456 delete m_selection;
1457 m_selection = new wxHtmlSelection();
1458 m_selection->Set(before, after);
1459
1460 Refresh();
0994d968 1461 }
2a536376
VS
1462 }
1463}
d659d703 1464
2a536376
VS
1465void wxHtmlWindow::SelectAll()
1466{
1467 if ( m_Cell )
1468 {
0994d968
VS
1469 delete m_selection;
1470 m_selection = new wxHtmlSelection();
2a536376 1471 m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
0994d968
VS
1472 Refresh();
1473 }
1474}
2a536376 1475
d659d703 1476#endif // wxUSE_CLIPBOARD
e3774124
VS
1477
1478
5526e819 1479
bfb9ee96 1480IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject)
5526e819 1481
786a2425
SC
1482#if wxUSE_EXTENDED_RTTI
1483IMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h")
1484
459f2add 1485wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow)
786a2425 1486/*
d1da8872
WS
1487 TODO PROPERTIES
1488 style , wxHW_SCROLLBAR_AUTO
1489 borders , (dimension)
1490 url , string
1491 htmlcode , string
786a2425 1492*/
459f2add 1493wxEND_PROPERTIES_TABLE()
786a2425 1494
459f2add
SC
1495wxBEGIN_HANDLERS_TABLE(wxHtmlWindow)
1496wxEND_HANDLERS_TABLE()
786a2425 1497
d1da8872 1498wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
786a2425 1499#else
5526e819 1500IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
786a2425 1501#endif
5526e819
VS
1502
1503BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
1504 EVT_SIZE(wxHtmlWindow::OnSize)
adf2eb2d
VS
1505 EVT_LEFT_DOWN(wxHtmlWindow::OnMouseDown)
1506 EVT_LEFT_UP(wxHtmlWindow::OnMouseUp)
1507 EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
31d8b4ad 1508 EVT_MOTION(wxHtmlWindow::OnMouseMove)
1338c59a
VS
1509 EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)
1510 EVT_PAINT(wxHtmlWindow::OnPaint)
e3774124 1511#if wxUSE_CLIPBOARD
31eefb99 1512 EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
1338c59a
VS
1513 EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)
1514 EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
63e819f2 1515 EVT_MOUSE_CAPTURE_LOST(wxHtmlWindow::OnMouseCaptureLost)
e3774124
VS
1516 EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
1517 EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
d659d703 1518#endif // wxUSE_CLIPBOARD
5526e819
VS
1519END_EVENT_TABLE()
1520
bc55e31b
VS
1521//-----------------------------------------------------------------------------
1522// wxHtmlWindowInterface implementation in wxHtmlWindow
1523//-----------------------------------------------------------------------------
1524
1525void wxHtmlWindow::SetHTMLWindowTitle(const wxString& title)
1526{
1527 OnSetTitle(title);
1528}
1529
1530void wxHtmlWindow::OnHTMLLinkClicked(const wxHtmlLinkInfo& link)
1531{
1532 OnLinkClicked(link);
1533}
1534
1535wxHtmlOpeningStatus wxHtmlWindow::OnHTMLOpeningURL(wxHtmlURLType type,
1536 const wxString& url,
1537 wxString *redirect) const
1538{
1539 return OnOpeningURL(type, url, redirect);
1540}
1541
1542wxPoint wxHtmlWindow::HTMLCoordsToWindow(wxHtmlCell *WXUNUSED(cell),
1543 const wxPoint& pos) const
1544{
1545 return CalcScrolledPosition(pos);
1546}
1547
1548wxWindow* wxHtmlWindow::GetHTMLWindow()
1549{
1550 return this;
1551}
1552
1553wxColour wxHtmlWindow::GetHTMLBackgroundColour() const
1554{
1555 return GetBackgroundColour();
1556}
1557
1558void wxHtmlWindow::SetHTMLBackgroundColour(const wxColour& clr)
1559{
1560 SetBackgroundColour(clr);
1561}
1562
1563void wxHtmlWindow::SetHTMLBackgroundImage(const wxBitmap& bmpBg)
1564{
1565 SetBackgroundImage(bmpBg);
1566}
5526e819 1567
bc55e31b
VS
1568void wxHtmlWindow::SetHTMLStatusText(const wxString& text)
1569{
1570#if wxUSE_STATUSBAR
1571 if (m_RelatedStatusBar != -1)
1572 m_RelatedFrame->SetStatusText(text, m_RelatedStatusBar);
80d99525
WS
1573#else
1574 wxUnusedVar(text);
bc55e31b
VS
1575#endif // wxUSE_STATUSBAR
1576}
5526e819 1577
88a1b648
VS
1578/*static*/
1579wxCursor wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor type)
1580{
1581 switch (type)
1582 {
1583 case HTMLCursor_Link:
1584 if ( !ms_cursorLink )
1585 ms_cursorLink = new wxCursor(wxCURSOR_HAND);
1586 return *ms_cursorLink;
1587
1588 case HTMLCursor_Text:
1589 if ( !ms_cursorText )
1590 ms_cursorText = new wxCursor(wxCURSOR_IBEAM);
1591 return *ms_cursorText;
1592
1593 case HTMLCursor_Default:
1594 default:
1595 return *wxSTANDARD_CURSOR;
1596 }
1597}
1598
1599wxCursor wxHtmlWindow::GetHTMLCursor(HTMLCursor type) const
1600{
1601 return GetDefaultHTMLCursor(type);
1602}
1603
5526e819 1604
bc55e31b
VS
1605//-----------------------------------------------------------------------------
1606// wxHtmlWinModule
1607//-----------------------------------------------------------------------------
5526e819 1608
a76015e6
VS
1609// A module to allow initialization/cleanup
1610// without calling these functions from app.cpp or from
1611// the user's application.
1612
1613class wxHtmlWinModule: public wxModule
1614{
1615DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
1616public:
1617 wxHtmlWinModule() : wxModule() {}
d1da8872 1618 bool OnInit() { return true; }
a76015e6
VS
1619 void OnExit() { wxHtmlWindow::CleanUpStatics(); }
1620};
1621
1622IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
1623
5526e819 1624
0cecad31
VS
1625// This hack forces the linker to always link in m_* files
1626// (wxHTML doesn't work without handlers from these files)
1627#include "wx/html/forcelnk.h"
1628FORCE_WXHTML_MODULES()
5526e819 1629
d659d703 1630#endif // wxUSE_HTML