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1/////////////////////////////////////////////////////////////////////////////
2// Name: app.cpp
3// Purpose: wxApp
4// Author: Julian Smart
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
14f355c2 12#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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13 #pragma implementation "app.h"
14#endif
15
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16#include "wx/frame.h"
17#include "wx/app.h"
18#include "wx/utils.h"
19#include "wx/gdicmn.h"
83df96d6 20#include "wx/icon.h"
83df96d6 21#include "wx/dialog.h"
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22#include "wx/log.h"
23#include "wx/module.h"
24#include "wx/memory.h"
25#include "wx/log.h"
26#include "wx/intl.h"
1b0fb34b 27#include "wx/evtloop.h"
868741e9 28#include "wx/timer.h"
2b5f62a0 29#include "wx/filename.h"
ed39ff57 30#include "wx/hash.h"
83df96d6 31
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32#include "wx/univ/theme.h"
33#include "wx/univ/renderer.h"
34
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35#if wxUSE_THREADS
36 #include "wx/thread.h"
37#endif
38
7eaac9f5 39#include "wx/x11/private.h"
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40
41#include <string.h>
42
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43//------------------------------------------------------------------------
44// global data
45//------------------------------------------------------------------------
46
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47extern wxList wxPendingDelete;
48
9d2cef1c 49wxHashTable *wxWidgetHashTable = NULL;
ab6b6b15 50wxHashTable *wxClientWidgetHashTable = NULL;
9d2cef1c 51
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52static bool g_showIconic = FALSE;
53static wxSize g_initialSize = wxDefaultSize;
83df96d6 54
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55// This is required for wxFocusEvent::SetWindow(). It will only
56// work for focus events which we provoke ourselves (by calling
57// SetFocus()). It will not work for those events, which X11
58// generates itself.
59static wxWindow *g_nextFocus = NULL;
60static wxWindow *g_prevFocus = NULL;
83df96d6 61
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62//------------------------------------------------------------------------
63// X11 error handling
64//------------------------------------------------------------------------
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65
66#ifdef __WXDEBUG__
1b0fb34b 67typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
83df96d6 68
1b0fb34b 69XErrorHandlerFunc gs_pfnXErrorHandler = 0;
83df96d6 70
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71static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
72{
73 // just forward to the default handler for now
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74 if (gs_pfnXErrorHandler)
75 return gs_pfnXErrorHandler(dpy, xevent);
76 else
77 return 0;
1b0fb34b 78}
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79#endif // __WXDEBUG__
80
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81//------------------------------------------------------------------------
82// wxApp
83//------------------------------------------------------------------------
84
83df96d6 85long wxApp::sm_lastMessageTime = 0;
a11672a4 86WXDisplay *wxApp::ms_display = NULL;
83df96d6 87
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88IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
89
90BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
955a9197 91 EVT_IDLE(wxAppBase::OnIdle)
9d2cef1c 92END_EVENT_TABLE()
256d631a 93
05e2b077 94bool wxApp::Initialize(int& argc, wxChar **argv)
83df96d6 95{
05e2b077 96#if defined(__WXDEBUG__) && !wxUSE_NANOX
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97 // install the X error handler
98 gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
99#endif // __WXDEBUG__
100
2b5f62a0 101 char *displayName = NULL;
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102 bool syncDisplay = FALSE;
103
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104 int argcOrig = argc;
105 for ( int i = 0; i < argcOrig; i++ )
256d631a 106 {
05e2b077 107 if (wxStrcmp( argv[i], _T("-display") ) == 0)
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108 {
109 if (i < (argc - 1))
110 {
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111 argv[i++] = NULL;
112
256d631a 113 displayName = argv[i];
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114
115 argv[i] = NULL;
116 argc -= 2;
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117 }
118 }
05e2b077 119 else if (wxStrcmp( argv[i], _T("-geometry") ) == 0)
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120 {
121 if (i < (argc - 1))
122 {
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123 argv[i++] = NULL;
124
256d631a 125 int w, h;
05e2b077 126 if (wxSscanf(argv[i], _T("%dx%d"), &w, &h) != 2)
256d631a 127 {
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128 wxLogError( _("Invalid geometry specification '%s'"),
129 wxString::FromAscii(argv[i]).c_str() );
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130 }
131 else
132 {
133 g_initialSize = wxSize(w, h);
134 }
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135
136 argv[i] = NULL;
137 argc -= 2;
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138 }
139 }
05e2b077 140 else if (wxStrcmp( argv[i], _T("-sync") ) == 0)
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141 {
142 syncDisplay = TRUE;
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143
144 argv[i] = NULL;
145 argc--;
256d631a 146 }
05e2b077 147 else if (wxStrcmp( argv[i], _T("-iconic") ) == 0)
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148 {
149 g_showIconic = TRUE;
45ff6421 150
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151 argv[i] = NULL;
152 argc--;
256d631a 153 }
05e2b077 154 }
256d631a 155
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156 if ( argc != argcOrig )
157 {
158 // remove the argumens we consumed
159 for ( int i = 0; i < argc; i++ )
160 {
161 while ( !argv[i] )
162 {
163 memmove(argv + i, argv + i + 1, argcOrig - i);
164 }
165 }
256d631a 166 }
a11672a4 167
7c9955d1 168 // X11 display stuff
05e2b077 169 Display *xdisplay = XOpenDisplay( displayName );
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170 if (!xdisplay)
171 {
172 wxLogError( _("wxWindows could not open display. Exiting.") );
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173 return false;
174 }
175
256d631a 176 if (syncDisplay)
256d631a 177 XSynchronize(xdisplay, True);
e2386592 178
05e2b077 179 ms_display = (WXDisplay*) xdisplay;
7c9955d1 180
a11672a4 181 XSelectInput( xdisplay, XDefaultRootWindow(xdisplay), PropertyChangeMask);
e2386592 182
2b5f62a0 183 // Misc.
7e4501ee 184 wxSetDetectableAutoRepeat( TRUE );
a11672a4 185
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186 if ( !wxAppBase::Initialize(argc, argv) )
187 {
188 XCloseDisplay(xdisplay);
189
190 return false;
191 }
192
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193#if wxUSE_UNICODE
194 // Glib's type system required by Pango
195 g_type_init();
7c9955d1 196#endif
2b5f62a0 197
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198#if wxUSE_INTL
199 wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
200#endif
a11672a4 201
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202 wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
203 wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
a11672a4 204
05e2b077 205 return true;
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206}
207
05e2b077 208void wxApp::CleanUp()
83df96d6 209{
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210 delete wxWidgetHashTable;
211 wxWidgetHashTable = NULL;
212 delete wxClientWidgetHashTable;
213 wxClientWidgetHashTable = NULL;
83df96d6 214
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215 wxAppBase::CleanUp();
216}
83df96d6 217
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218wxApp::wxApp()
219{
00344dd0 220 // TODO: parse the command line
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221 argc = 0;
222 argv = NULL;
00344dd0 223
83df96d6 224 m_mainColormap = (WXColormap) NULL;
7eaac9f5 225 m_topLevelWidget = (WXWindow) NULL;
83df96d6 226 m_maxRequestSize = 0;
1b0fb34b 227 m_mainLoop = NULL;
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228 m_showIconic = FALSE;
229 m_initialSize = wxDefaultSize;
366e8ae6 230
8601b2e1 231#if !wxUSE_NANOX
9ce8d6a2 232 m_visualInfo = NULL;
8601b2e1 233#endif
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234}
235
236wxApp::~wxApp()
237{
8601b2e1 238#if !wxUSE_NANOX
9ce8d6a2 239 delete m_visualInfo;
8601b2e1 240#endif
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241}
242
243bool wxApp::Initialized()
244{
245 if (GetTopWindow())
246 return TRUE;
247 else
248 return FALSE;
249}
250
251int wxApp::MainLoop()
252{
c978d361 253 int rt;
1b0fb34b 254 m_mainLoop = new wxEventLoop;
83df96d6 255
1b0fb34b 256 rt = m_mainLoop->Run();
83df96d6 257
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258 delete m_mainLoop;
259 m_mainLoop = NULL;
260 return rt;
261}
83df96d6 262
70b8ab77 263#if !wxUSE_NANOX
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264//-----------------------------------------------------------------------
265// X11 predicate function for exposure compression
266//-----------------------------------------------------------------------
267
268struct wxExposeInfo
269{
270 Window window;
271 Bool found_non_matching;
272};
273
274static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
275{
276 wxExposeInfo *info = (wxExposeInfo*) arg;
e2386592 277
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278 if (info->found_non_matching)
279 return FALSE;
e2386592 280
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281 if (xevent->xany.type != Expose)
282 {
283 info->found_non_matching = TRUE;
284 return FALSE;
285 }
e2386592 286
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287 if (xevent->xexpose.window != info->window)
288 {
289 info->found_non_matching = TRUE;
290 return FALSE;
291 }
e2386592 292
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293 return TRUE;
294}
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295#endif
296 // wxUSE_NANOX
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297
298//-----------------------------------------------------------------------
086fd560 299// Processes an X event, returning TRUE if the event was processed.
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300//-----------------------------------------------------------------------
301
086fd560 302bool wxApp::ProcessXEvent(WXEvent* _event)
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303{
304 XEvent* event = (XEvent*) _event;
83df96d6 305
1b0fb34b 306 wxWindow* win = NULL;
c79a329d 307 Window window = XEventGetWindow(event);
e2386592 308#if 0
1b0fb34b 309 Window actualWindow = window;
e2386592 310#endif
0b5c0e1a 311
1b0fb34b 312 // Find the first wxWindow that corresponds to this event window
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313 // Because we're receiving events after a window
314 // has been destroyed, assume a 1:1 match between
315 // Window and wxWindow, so if it's not in the table,
316 // it must have been destroyed.
e2386592 317
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318 win = wxGetWindowFromTable(window);
319 if (!win)
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320 {
321#if wxUSE_TWO_WINDOWS
322 win = wxGetClientWindowFromTable(window);
323 if (!win)
324#endif
325 return FALSE;
326 }
83df96d6 327
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328#ifdef __WXDEBUG__
329 wxString windowClass = win->GetClassInfo()->GetClassName();
330#endif
e2386592 331
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332 switch (event->type)
333 {
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334 case Expose:
335 {
8601b2e1 336#if wxUSE_TWO_WINDOWS && !wxUSE_NANOX
f41bc3e3 337 if (event->xexpose.window != (Window)win->GetClientAreaWindow())
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338 {
339 XEvent tmp_event;
340 wxExposeInfo info;
341 info.window = event->xexpose.window;
342 info.found_non_matching = FALSE;
343 while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
344 {
345 // Don't worry about optimizing redrawing the border etc.
346 }
347 win->NeedUpdateNcAreaInIdle();
348 }
349 else
350#endif
351 {
352 win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
353 XExposeEventGetWidth(event), XExposeEventGetHeight(event));
ab6b6b15 354 win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
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355 XExposeEventGetWidth(event), XExposeEventGetHeight(event));
356
357#if !wxUSE_NANOX
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358 XEvent tmp_event;
359 wxExposeInfo info;
360 info.window = event->xexpose.window;
361 info.found_non_matching = FALSE;
362 while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
363 {
364 win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
365 tmp_event.xexpose.width, tmp_event.xexpose.height );
e2386592 366
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367 win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
368 tmp_event.xexpose.width, tmp_event.xexpose.height );
369 }
2f12683e 370#endif
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371
372 // This simplifies the expose and clear areas to simple
373 // rectangles.
374 win->GetUpdateRegion() = win->GetUpdateRegion().GetBox();
375 win->GetClearRegion() = win->GetClearRegion().GetBox();
e2386592 376
c2c0dabf 377 // If we only have one X11 window, always indicate
e2386592 378 // that borders might have to be redrawn.
f41bc3e3 379 if (win->GetMainWindow() == win->GetClientAreaWindow())
ab6b6b15 380 win->NeedUpdateNcAreaInIdle();
2f12683e 381
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382 // Only erase background, paint in idle time.
383 win->SendEraseEvents();
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384
385 // EXPERIMENT
386 //win->Update();
ab6b6b15 387 }
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388
389 return TRUE;
390 }
e2386592 391
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392#if !wxUSE_NANOX
393 case GraphicsExpose:
394 {
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395 printf( "GraphicExpose event\n" );
396
89cd4125 397 wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str());
e2386592 398
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399 win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
400 event->xgraphicsexpose.width, event->xgraphicsexpose.height);
e2386592 401
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402 win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
403 event->xgraphicsexpose.width, event->xgraphicsexpose.height);
e2386592 404
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405 if (event->xgraphicsexpose.count == 0)
406 {
407 // Only erase background, paint in idle time.
408 win->SendEraseEvents();
c2c0dabf 409 // win->Update();
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410 }
411
412 return TRUE;
413 }
414#endif
415
1b0fb34b 416 case KeyPress:
83df96d6 417 {
9d2cef1c 418 if (!win->IsEnabled())
086fd560 419 return FALSE;
b513212d 420
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421 wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
422 wxTranslateKeyEvent(keyEvent, win, window, event);
e2386592 423
9d2cef1c 424 // wxLogDebug( "OnKey from %s", win->GetName().c_str() );
e2386592 425
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426 // We didn't process wxEVT_KEY_DOWN, so send wxEVT_CHAR
427 if (win->GetEventHandler()->ProcessEvent( keyEvent ))
428 return TRUE;
e2386592 429
120b822d 430 keyEvent.SetEventType(wxEVT_CHAR);
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431 // Do the translation again, retaining the ASCII
432 // code.
433 wxTranslateKeyEvent(keyEvent, win, window, event, TRUE);
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434 if (win->GetEventHandler()->ProcessEvent( keyEvent ))
435 return TRUE;
e2386592 436
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437 if ( (keyEvent.m_keyCode == WXK_TAB) &&
438 win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
9d2cef1c 439 {
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440 wxNavigationKeyEvent new_event;
441 new_event.SetEventObject( win->GetParent() );
442 /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
443 new_event.SetDirection( (keyEvent.m_keyCode == WXK_TAB) );
444 /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
445 new_event.SetWindowChange( keyEvent.ControlDown() );
446 new_event.SetCurrentFocus( win );
447 return win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
1b0fb34b 448 }
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449
450 return FALSE;
83df96d6 451 }
1b0fb34b 452 case KeyRelease:
7eaac9f5 453 {
9d2cef1c 454 if (!win->IsEnabled())
086fd560 455 return FALSE;
b513212d 456
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457 wxKeyEvent keyEvent(wxEVT_KEY_UP);
458 wxTranslateKeyEvent(keyEvent, win, window, event);
e2386592 459
086fd560 460 return win->GetEventHandler()->ProcessEvent( keyEvent );
7eaac9f5 461 }
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462 case ConfigureNotify:
463 {
c79a329d 464#if wxUSE_NANOX
9d2cef1c 465 if (event->update.utype == GR_UPDATE_SIZE)
c79a329d 466#endif
256d631a 467 {
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468 if (win->IsTopLevel())
469 {
470 wxTopLevelWindow *tlw = (wxTopLevelWindow*) win;
471 tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event),
472 XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) );
473 }
e2386592 474
2f12683e 475 if (win->IsTopLevel() && win->IsShown())
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476 {
477 wxTopLevelWindowX11 *tlw = (wxTopLevelWindowX11 *) win;
478 tlw->SetNeedResizeInIdle();
479 }
480 else
481 {
482 wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
483 sizeEvent.SetEventObject( win );
e2386592 484
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485 return win->GetEventHandler()->ProcessEvent( sizeEvent );
486 }
256d631a 487 }
086fd560 488 return FALSE;
c2ff68d3 489 break;
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490 }
491#if !wxUSE_NANOX
1b0fb34b 492 case PropertyNotify:
7eaac9f5 493 {
0b5c0e1a 494 //wxLogDebug("PropertyNotify: %s", windowClass.c_str());
086fd560 495 return HandlePropertyChange(_event);
7eaac9f5 496 }
b513212d 497 case ClientMessage:
3a0b23eb 498 {
9d2cef1c 499 if (!win->IsEnabled())
086fd560 500 return FALSE;
3a0b23eb 501
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502 Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True);
503 Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True);
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504
505 if (event->xclient.message_type == wm_protocols)
506 {
6a44bffd 507 if ((Atom) (event->xclient.data.l[0]) == wm_delete_window)
b513212d 508 {
9d2cef1c 509 win->Close(FALSE);
086fd560 510 return TRUE;
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511 }
512 }
086fd560 513 return FALSE;
b513212d 514 }
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515#if 0
516 case DestroyNotify:
517 {
518 printf( "destroy from %s\n", win->GetName().c_str() );
519 break;
520 }
521 case CreateNotify:
522 {
523 printf( "create from %s\n", win->GetName().c_str() );
524 break;
525 }
526 case MapRequest:
527 {
528 printf( "map request from %s\n", win->GetName().c_str() );
529 break;
530 }
1b0fb34b 531 case ResizeRequest:
7eaac9f5 532 {
2f12683e 533 printf( "resize request from %s\n", win->GetName().c_str() );
e2386592 534
7266b672 535 Display *disp = (Display*) wxGetDisplay();
1b0fb34b 536 XEvent report;
e2386592 537
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538 // to avoid flicker
539 report = * event;
540 while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report));
e2386592 541
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542 wxSize sz = win->GetSize();
543 wxSizeEvent sizeEvent(sz, win->GetId());
544 sizeEvent.SetEventObject(win);
1b0fb34b 545
b1633d20 546 return win->GetEventHandler()->ProcessEvent( sizeEvent );
7eaac9f5 547 }
256d631a 548#endif
b1633d20 549#endif
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550#if wxUSE_NANOX
551 case GR_EVENT_TYPE_CLOSE_REQ:
552 {
553 if (win)
554 {
555 win->Close(FALSE);
086fd560 556 return TRUE;
256d631a 557 }
086fd560 558 return FALSE;
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559 break;
560 }
c79a329d 561#endif
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562 case EnterNotify:
563 case LeaveNotify:
564 case ButtonPress:
565 case ButtonRelease:
566 case MotionNotify:
7eaac9f5 567 {
7e4501ee 568 if (!win->IsEnabled())
086fd560 569 return FALSE;
366e8ae6 570
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571 // Here we check if the top level window is
572 // disabled, which is one aspect of modality.
573 wxWindow *tlw = win;
574 while (tlw && !tlw->IsTopLevel())
575 tlw = tlw->GetParent();
576 if (tlw && !tlw->IsEnabled())
086fd560 577 return FALSE;
e2386592 578
7e4501ee 579 if (event->type == ButtonPress)
1b0fb34b 580 {
7e4501ee 581 if ((win != wxWindow::FindFocus()) && win->AcceptsFocus())
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582 {
583 // This might actually be done in wxWindow::SetFocus()
ea1ad04b 584 // and not here. TODO.
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585 g_prevFocus = wxWindow::FindFocus();
586 g_nextFocus = win;
e2386592 587
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588 wxLogTrace( _T("focus"), _T("About to call SetFocus on %s of type %s due to button press"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
589
590 // Record the fact that this window is
591 // getting the focus, because we'll need to
592 // check if its parent is getting a bogus
593 // focus and duly ignore it.
594 // TODO: may need to have this code in SetFocus, too.
595 extern wxWindow* g_GettingFocus;
596 g_GettingFocus = win;
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597 win->SetFocus();
598 }
1b0fb34b 599 }
e2386592 600
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601#if !wxUSE_NANOX
602 if (event->type == LeaveNotify || event->type == EnterNotify)
603 {
604 // Throw out NotifyGrab and NotifyUngrab
605 if (event->xcrossing.mode != NotifyNormal)
086fd560 606 return FALSE;
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607 }
608#endif
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609 wxMouseEvent wxevent;
610 wxTranslateMouseEvent(wxevent, win, window, event);
086fd560 611 return win->GetEventHandler()->ProcessEvent( wxevent );
7eaac9f5 612 }
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613 case FocusIn:
614 {
256d631a 615#if !wxUSE_NANOX
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616 if ((event->xfocus.detail != NotifyPointer) &&
617 (event->xfocus.mode == NotifyNormal))
256d631a 618#endif
1b0fb34b 619 {
58ec2255 620 wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
366e8ae6 621
58ec2255
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622 extern wxWindow* g_GettingFocus;
623 if (g_GettingFocus && g_GettingFocus->GetParent() == win)
624 {
625 // Ignore this, this can be a spurious FocusIn
626 // caused by a child having its focus set.
627 g_GettingFocus = NULL;
628 wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
629 return TRUE;
630 }
631 else
632 {
633 wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
634 focusEvent.SetEventObject(win);
635 focusEvent.SetWindow( g_prevFocus );
636 g_prevFocus = NULL;
637
638 return win->GetEventHandler()->ProcessEvent(focusEvent);
639 }
1b0fb34b 640 }
086fd560 641 return FALSE;
1b0fb34b
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642 break;
643 }
644 case FocusOut:
645 {
256d631a 646#if !wxUSE_NANOX
9d2cef1c
RR
647 if ((event->xfocus.detail != NotifyPointer) &&
648 (event->xfocus.mode == NotifyNormal))
256d631a 649#endif
1b0fb34b 650 {
58ec2255 651 wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
e2386592 652
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653 wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
654 focusEvent.SetEventObject(win);
9d2cef1c
RR
655 focusEvent.SetWindow( g_nextFocus );
656 g_nextFocus = NULL;
086fd560 657 return win->GetEventHandler()->ProcessEvent(focusEvent);
1b0fb34b 658 }
086fd560 659 return FALSE;
1b0fb34b
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660 break;
661 }
662 default:
663 {
45ff6421
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664#ifdef __WXDEBUG__
665 //wxString eventName = wxGetXEventName(XEvent& event);
666 //wxLogDebug(wxT("Event %s not handled"), eventName.c_str());
667#endif
086fd560 668 return FALSE;
1b0fb34b
JS
669 break;
670 }
83df96d6 671 }
086fd560 672 return FALSE;
83df96d6
JS
673}
674
83df96d6
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675void wxApp::ExitMainLoop()
676{
1b0fb34b
JS
677 if (m_mainLoop)
678 m_mainLoop->Exit(0);
83df96d6
JS
679}
680
681// Is a message/event pending?
682bool wxApp::Pending()
683{
1b0fb34b 684 return wxEventLoop::GetActive()->Pending();
83df96d6
JS
685}
686
687// Dispatch a message.
688void wxApp::Dispatch()
689{
1b0fb34b 690 wxEventLoop::GetActive()->Dispatch();
83df96d6
JS
691}
692
693// This should be redefined in a derived class for
694// handling property change events for XAtom IPC.
086fd560 695bool wxApp::HandlePropertyChange(WXEvent *event)
83df96d6
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696{
697 // by default do nothing special
7eaac9f5 698 // TODO: what to do for X11
256d631a 699 // XtDispatchEvent((XEvent*) event);
086fd560 700 return FALSE;
83df96d6
JS
701}
702
e2478fde 703void wxApp::WakeUpIdle()
83df96d6 704{
e2478fde
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705 // TODO: use wxMotif implementation?
706
83df96d6
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707 // Wake up the idle handler processor, even if it is in another thread...
708}
709
710
256d631a 711// Create display, and other initialization
83df96d6
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712bool wxApp::OnInitGui()
713{
ca7497c2
JS
714 // Eventually this line will be removed, but for
715 // now we don't want to try popping up a dialog
716 // for error messages.
717 delete wxLog::SetActiveTarget(new wxLogStderr);
e2386592 718
ea596687 719 if (!wxAppBase::OnInitGui())
dc4025af 720 return FALSE;
e2386592 721
a11672a4 722 GetMainColormap( wxApp::GetDisplay() );
256d631a 723
a11672a4 724 m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() );
83df96d6 725
8601b2e1 726#if !wxUSE_NANOX
9ce8d6a2
MB
727 m_visualInfo = new wxXVisualInfo;
728 wxFillXVisualInfo( m_visualInfo, (Display*) wxApp::GetDisplay() );
8601b2e1 729#endif
366e8ae6 730
83df96d6
JS
731 return TRUE;
732}
733
2b5f62a0
VZ
734#if wxUSE_UNICODE
735
736#include <pango/pango.h>
737#include <pango/pangox.h>
738#include <pango/pangoxft.h>
739
740PangoContext* wxApp::GetPangoContext()
741{
742 static PangoContext *ret = NULL;
743 if (ret)
744 return ret;
7c9955d1 745
2b5f62a0 746 Display *xdisplay = (Display*) wxApp::GetDisplay();
7c9955d1 747
2b5f62a0
VZ
748#if 1
749 int xscreen = DefaultScreen(xdisplay);
750 static int use_xft = -1;
751 if (use_xft == -1)
752 {
753 wxString val = wxGetenv( L"GDK_USE_XFT" );
754 use_xft = (val == L"1");
755 }
7c9955d1 756
2b5f62a0
VZ
757 if (use_xft)
758 ret = pango_xft_get_context( xdisplay, xscreen );
759 else
760#endif
761 ret = pango_x_get_context( xdisplay );
7c9955d1 762
2b5f62a0
VZ
763 if (!PANGO_IS_CONTEXT(ret))
764 wxLogError( wxT("No pango context.") );
7c9955d1 765
2b5f62a0
VZ
766 return ret;
767}
768#endif
769
83df96d6
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770WXColormap wxApp::GetMainColormap(WXDisplay* display)
771{
772 if (!display) /* Must be called first with non-NULL display */
773 return m_mainColormap;
774
775 int defaultScreen = DefaultScreen((Display*) display);
776 Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);
777
778 Colormap c = DefaultColormapOfScreen(screen);
779
780 if (!m_mainColormap)
781 m_mainColormap = (WXColormap) c;
782
783 return (WXColormap) c;
784}
785
8354aa92 786Window wxGetWindowParent(Window window)
7eaac9f5 787{
86fd8bda 788 wxASSERT_MSG( window, "invalid window" );
e2386592 789
86fd8bda
RR
790 return (Window) 0;
791
7eaac9f5 792 Window parent, root = 0;
c79a329d
JS
793#if wxUSE_NANOX
794 int noChildren = 0;
795#else
7eaac9f5 796 unsigned int noChildren = 0;
c79a329d 797#endif
ea596687 798 Window* children = NULL;
c79a329d 799
ee351013 800 // #define XQueryTree(d,w,r,p,c,nc) GrQueryTree(w,p,c,nc)
c79a329d
JS
801 int res = 1;
802#if !wxUSE_NANOX
803 res =
804#endif
805 XQueryTree((Display*) wxGetDisplay(), window, & root, & parent,
ee351013 806 & children, & noChildren);
ea596687
JS
807 if (children)
808 XFree(children);
809 if (res)
7eaac9f5
JS
810 return parent;
811 else
812 return (Window) 0;
813}
814
e2478fde 815void wxApp::Exit()
83df96d6 816{
83df96d6 817 wxApp::CleanUp();
e2478fde
VZ
818
819 wxAppConsole::Exit();
83df96d6
JS
820}
821
822// Yield to other processes
823
824bool wxApp::Yield(bool onlyIfNeeded)
825{
bbcd408a
JS
826 // Sometimes only 2 yields seem
827 // to do the trick, e.g. in the
828 // progress dialog
829 int i;
830 for (i = 0; i < 2; i++)
83df96d6 831 {
bbcd408a
JS
832 bool s_inYield = FALSE;
833
834 if ( s_inYield )
83df96d6 835 {
bbcd408a
JS
836 if ( !onlyIfNeeded )
837 {
838 wxFAIL_MSG( wxT("wxYield called recursively" ) );
839 }
83df96d6 840
bbcd408a
JS
841 return FALSE;
842 }
83df96d6 843
bbcd408a 844 s_inYield = TRUE;
83df96d6 845
bbcd408a
JS
846 // Make sure we have an event loop object,
847 // or Pending/Dispatch will fail
848 wxEventLoop* eventLoop = wxEventLoop::GetActive();
849 wxEventLoop* newEventLoop = NULL;
850 if (!eventLoop)
851 {
852 newEventLoop = new wxEventLoop;
853 wxEventLoop::SetActive(newEventLoop);
854 }
df0e1b64 855
2b5f62a0
VZ
856 // Call dispatch at least once so that sockets
857 // can be tested
858 wxTheApp->Dispatch();
7c9955d1 859
bbcd408a
JS
860 while (wxTheApp && wxTheApp->Pending())
861 wxTheApp->Dispatch();
83df96d6 862
868741e9 863#if wxUSE_TIMER
bbcd408a 864 wxTimer::NotifyTimers();
868741e9 865#endif
bbcd408a 866 ProcessIdle();
868741e9 867
bbcd408a
JS
868 if (newEventLoop)
869 {
870 wxEventLoop::SetActive(NULL);
871 delete newEventLoop;
872 }
df0e1b64 873
bbcd408a
JS
874 s_inYield = FALSE;
875 }
83df96d6
JS
876
877 return TRUE;
878}
879
d715d419
VZ
880#ifdef __WXDEBUG__
881
5968a0dc 882void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
7edcafa4
JS
883{
884 // While the GUI isn't working that well, just print out the
885 // message.
193e19cf 886#if 1
5968a0dc 887 wxAppBase::OnAssert(file, line, cond, msg);
7edcafa4
JS
888#else
889 wxString msg2;
890 msg2.Printf("At file %s:%d: %s", file, line, msg);
891 wxLogDebug(msg2);
892#endif
893}
894
d715d419
VZ
895#endif // __WXDEBUG__
896