| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: app.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Julian Smart |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation "app.h" |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/app.h" |
| 15 | #include "wx/gdicmn.h" |
| 16 | #include "wx/utils.h" |
| 17 | #include "wx/intl.h" |
| 18 | #include "wx/log.h" |
| 19 | #include "wx/memory.h" |
| 20 | #include "wx/font.h" |
| 21 | #include "wx/settings.h" |
| 22 | #include "wx/dialog.h" |
| 23 | |
| 24 | #if wxUSE_WX_RESOURCES |
| 25 | #include "wx/resource.h" |
| 26 | #endif |
| 27 | |
| 28 | #include "wx/module.h" |
| 29 | #include "wx/image.h" |
| 30 | |
| 31 | #if wxUSE_THREADS |
| 32 | #include "wx/thread.h" |
| 33 | #endif |
| 34 | |
| 35 | #include <unistd.h> |
| 36 | |
| 37 | #include <glib.h> |
| 38 | #include <gdk/gdk.h> |
| 39 | #include <gtk/gtk.h> |
| 40 | |
| 41 | #include "wx/gtk/win_gtk.h" |
| 42 | |
| 43 | //----------------------------------------------------------------------------- |
| 44 | // global data |
| 45 | //----------------------------------------------------------------------------- |
| 46 | |
| 47 | wxApp *wxTheApp = (wxApp *) NULL; |
| 48 | wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; |
| 49 | |
| 50 | extern bool g_isIdle; |
| 51 | |
| 52 | bool g_mainThreadLocked = FALSE; |
| 53 | gint g_pendingTag = 0; |
| 54 | |
| 55 | static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; |
| 56 | |
| 57 | //----------------------------------------------------------------------------- |
| 58 | // local functions |
| 59 | //----------------------------------------------------------------------------- |
| 60 | |
| 61 | /* forward declaration */ |
| 62 | gint wxapp_idle_callback( gpointer WXUNUSED(data) ); |
| 63 | gint wxapp_pending_callback( gpointer WXUNUSED(data) ); |
| 64 | void wxapp_install_idle_handler(); |
| 65 | |
| 66 | #if wxUSE_THREADS |
| 67 | gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); |
| 68 | #endif |
| 69 | |
| 70 | //----------------------------------------------------------------------------- |
| 71 | // wxExit |
| 72 | //----------------------------------------------------------------------------- |
| 73 | |
| 74 | void wxExit() |
| 75 | { |
| 76 | gtk_main_quit(); |
| 77 | } |
| 78 | |
| 79 | //----------------------------------------------------------------------------- |
| 80 | // wxYield |
| 81 | //----------------------------------------------------------------------------- |
| 82 | |
| 83 | static bool gs_inYield = FALSE; |
| 84 | |
| 85 | bool wxYield() |
| 86 | { |
| 87 | #if wxUSE_THREADS |
| 88 | if ( !wxThread::IsMain() ) |
| 89 | { |
| 90 | // can't call gtk_main_iteration() from other threads like this |
| 91 | return TRUE; |
| 92 | } |
| 93 | #endif // wxUSE_THREADS |
| 94 | |
| 95 | #ifdef __WXDEBUG__ |
| 96 | if (gs_inYield) |
| 97 | wxFAIL_MSG( wxT("wxYield called recursively" ) ); |
| 98 | #endif |
| 99 | |
| 100 | gs_inYield = TRUE; |
| 101 | |
| 102 | if (!g_isIdle) |
| 103 | { |
| 104 | // We need to remove idle callbacks or the loop will |
| 105 | // never finish. |
| 106 | gtk_idle_remove( wxTheApp->m_idleTag ); |
| 107 | wxTheApp->m_idleTag = 0; |
| 108 | g_isIdle = TRUE; |
| 109 | } |
| 110 | |
| 111 | while (gtk_events_pending()) |
| 112 | gtk_main_iteration(); |
| 113 | |
| 114 | // disable log flushing from here because a call to wxYield() shouldn't |
| 115 | // normally result in message boxes popping up &c |
| 116 | wxLog::Suspend(); |
| 117 | |
| 118 | /* it's necessary to call ProcessIdle() to update the frames sizes which |
| 119 | might have been changed (it also will update other things set from |
| 120 | OnUpdateUI() which is a nice (and desired) side effect) */ |
| 121 | while (wxTheApp->ProcessIdle()) { } |
| 122 | |
| 123 | // let the logs be flashed again |
| 124 | wxLog::Resume(); |
| 125 | |
| 126 | gs_inYield = FALSE; |
| 127 | |
| 128 | return TRUE; |
| 129 | } |
| 130 | |
| 131 | //----------------------------------------------------------------------------- |
| 132 | // wxYieldIfNeeded |
| 133 | // Like wxYield, but fails silently if the yield is recursive. |
| 134 | //----------------------------------------------------------------------------- |
| 135 | |
| 136 | bool wxYieldIfNeeded() |
| 137 | { |
| 138 | if (gs_inYield) |
| 139 | return FALSE; |
| 140 | |
| 141 | return wxYield(); |
| 142 | } |
| 143 | |
| 144 | //----------------------------------------------------------------------------- |
| 145 | // wxWakeUpIdle |
| 146 | //----------------------------------------------------------------------------- |
| 147 | |
| 148 | void wxWakeUpIdle() |
| 149 | { |
| 150 | #if wxUSE_THREADS |
| 151 | if (!wxThread::IsMain()) |
| 152 | wxMutexGuiEnter(); |
| 153 | #endif |
| 154 | |
| 155 | if (g_isIdle) |
| 156 | wxapp_install_idle_handler(); |
| 157 | |
| 158 | #if wxUSE_THREADS |
| 159 | if (!wxThread::IsMain()) |
| 160 | wxMutexGuiLeave(); |
| 161 | #endif |
| 162 | } |
| 163 | |
| 164 | //----------------------------------------------------------------------------- |
| 165 | // local functions |
| 166 | //----------------------------------------------------------------------------- |
| 167 | |
| 168 | gint wxapp_pending_callback( gpointer WXUNUSED(data) ) |
| 169 | { |
| 170 | if (!wxTheApp) return TRUE; |
| 171 | |
| 172 | // when getting called from GDK's time-out handler |
| 173 | // we are no longer within GDK's grab on the GUI |
| 174 | // thread so we must lock it here ourselves |
| 175 | gdk_threads_enter(); |
| 176 | |
| 177 | // Sent idle event to all who request them |
| 178 | wxTheApp->ProcessPendingEvents(); |
| 179 | |
| 180 | g_pendingTag = 0; |
| 181 | |
| 182 | /* flush the logged messages if any */ |
| 183 | #if wxUSE_LOG |
| 184 | wxLog::FlushActive(); |
| 185 | #endif // wxUSE_LOG |
| 186 | |
| 187 | // Release lock again |
| 188 | gdk_threads_leave(); |
| 189 | |
| 190 | // Return FALSE to indicate that no more idle events are |
| 191 | // to be sent (single shot instead of continuous stream) |
| 192 | return FALSE; |
| 193 | } |
| 194 | |
| 195 | gint wxapp_idle_callback( gpointer WXUNUSED(data) ) |
| 196 | { |
| 197 | if (!wxTheApp) |
| 198 | return TRUE; |
| 199 | |
| 200 | #ifdef __WXDEBUG__ |
| 201 | if ( wxTheApp->IsInAssert() ) |
| 202 | { |
| 203 | // don't generate the idle events while the assert modal dialog is |
| 204 | // shown, this completely confuses the apps which don't expect to be |
| 205 | // reentered from some safely-looking functions |
| 206 | return FALSE; |
| 207 | } |
| 208 | #endif // __WXDEBUG__ |
| 209 | |
| 210 | // when getting called from GDK's time-out handler |
| 211 | // we are no longer within GDK's grab on the GUI |
| 212 | // thread so we must lock it here ourselves |
| 213 | gdk_threads_enter(); |
| 214 | |
| 215 | /* Indicate that we are now in idle mode - even so deeply |
| 216 | in idle mode that we don't get any idle events anymore. |
| 217 | this is like wxMSW where an idle event is sent only |
| 218 | once each time after the event queue has been completely |
| 219 | emptied */ |
| 220 | g_isIdle = TRUE; |
| 221 | wxTheApp->m_idleTag = 0; |
| 222 | |
| 223 | // Sent idle event to all who request them |
| 224 | while (wxTheApp->ProcessIdle()) { } |
| 225 | |
| 226 | // Release lock again |
| 227 | gdk_threads_leave(); |
| 228 | |
| 229 | // Return FALSE to indicate that no more idle events are |
| 230 | // to be sent (single shot instead of continuous stream) |
| 231 | return FALSE; |
| 232 | } |
| 233 | |
| 234 | void wxapp_install_idle_handler() |
| 235 | { |
| 236 | wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); |
| 237 | |
| 238 | g_isIdle = FALSE; |
| 239 | |
| 240 | if (g_pendingTag == 0) |
| 241 | g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); |
| 242 | |
| 243 | /* This routine gets called by all event handlers |
| 244 | indicating that the idle is over. It may also |
| 245 | get called from other thread for sending events |
| 246 | to the main thread (and processing these in |
| 247 | idle time). Very low priority. */ |
| 248 | |
| 249 | wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); |
| 250 | } |
| 251 | |
| 252 | #if wxUSE_THREADS |
| 253 | |
| 254 | static int g_threadUninstallLevel = 0; |
| 255 | |
| 256 | void wxapp_install_thread_wakeup() |
| 257 | { |
| 258 | g_threadUninstallLevel++; |
| 259 | |
| 260 | if (g_threadUninstallLevel != 1) return; |
| 261 | |
| 262 | if (wxTheApp->m_wakeUpTimerTag) return; |
| 263 | |
| 264 | wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL ); |
| 265 | } |
| 266 | |
| 267 | void wxapp_uninstall_thread_wakeup() |
| 268 | { |
| 269 | g_threadUninstallLevel--; |
| 270 | |
| 271 | if (g_threadUninstallLevel != 0) return; |
| 272 | |
| 273 | if (!wxTheApp->m_wakeUpTimerTag) return; |
| 274 | |
| 275 | gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); |
| 276 | wxTheApp->m_wakeUpTimerTag = 0; |
| 277 | } |
| 278 | |
| 279 | gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) |
| 280 | { |
| 281 | // when getting called from GDK's time-out handler |
| 282 | // we are no longer within GDK's grab on the GUI |
| 283 | // thread so we must lock it here ourselves |
| 284 | gdk_threads_enter(); |
| 285 | |
| 286 | wxapp_uninstall_thread_wakeup(); |
| 287 | |
| 288 | // unblock other threads wishing to do some GUI things |
| 289 | wxMutexGuiLeave(); |
| 290 | |
| 291 | g_mainThreadLocked = TRUE; |
| 292 | |
| 293 | // wake up other threads |
| 294 | wxUsleep( 1 ); |
| 295 | |
| 296 | // block other thread again |
| 297 | wxMutexGuiEnter(); |
| 298 | |
| 299 | g_mainThreadLocked = FALSE; |
| 300 | |
| 301 | wxapp_install_thread_wakeup(); |
| 302 | |
| 303 | // release lock again |
| 304 | gdk_threads_leave(); |
| 305 | |
| 306 | return TRUE; |
| 307 | } |
| 308 | |
| 309 | #endif // wxUSE_THREADS |
| 310 | |
| 311 | //----------------------------------------------------------------------------- |
| 312 | // wxApp |
| 313 | //----------------------------------------------------------------------------- |
| 314 | |
| 315 | IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) |
| 316 | |
| 317 | BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) |
| 318 | EVT_IDLE(wxApp::OnIdle) |
| 319 | END_EVENT_TABLE() |
| 320 | |
| 321 | wxApp::wxApp() |
| 322 | { |
| 323 | m_initialized = FALSE; |
| 324 | #ifdef __WXDEBUG__ |
| 325 | m_isInAssert = FALSE; |
| 326 | #endif // __WXDEBUG__ |
| 327 | |
| 328 | m_idleTag = 0; |
| 329 | wxapp_install_idle_handler(); |
| 330 | |
| 331 | #if wxUSE_THREADS |
| 332 | m_wakeUpTimerTag = 0; |
| 333 | wxapp_install_thread_wakeup(); |
| 334 | #endif |
| 335 | |
| 336 | m_colorCube = (unsigned char*) NULL; |
| 337 | } |
| 338 | |
| 339 | wxApp::~wxApp() |
| 340 | { |
| 341 | if (m_idleTag) gtk_idle_remove( m_idleTag ); |
| 342 | |
| 343 | #if wxUSE_THREADS |
| 344 | wxapp_uninstall_thread_wakeup(); |
| 345 | #endif |
| 346 | |
| 347 | if (m_colorCube) free(m_colorCube); |
| 348 | } |
| 349 | |
| 350 | bool wxApp::OnInitGui() |
| 351 | { |
| 352 | if ( !wxAppBase::OnInitGui() ) |
| 353 | return FALSE; |
| 354 | |
| 355 | GdkVisual *visual = gdk_visual_get_system(); |
| 356 | |
| 357 | /* on some machines, the default visual is just 256 colours, so |
| 358 | we make sure we get the best. this can sometimes be wasteful, |
| 359 | of course, but what do these guys pay $30.000 for? */ |
| 360 | |
| 361 | if ((gdk_visual_get_best() != gdk_visual_get_system()) && |
| 362 | (m_useBestVisual)) |
| 363 | { |
| 364 | #ifdef __WXGTK20__ |
| 365 | /* seems gtk_widget_set_default_visual no longer exists? */ |
| 366 | GdkVisual* vis = gtk_widget_get_default_visual(); |
| 367 | #else |
| 368 | GdkVisual* vis = gdk_visual_get_best(); |
| 369 | gtk_widget_set_default_visual( vis ); |
| 370 | #endif |
| 371 | |
| 372 | GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); |
| 373 | gtk_widget_set_default_colormap( colormap ); |
| 374 | |
| 375 | visual = vis; |
| 376 | } |
| 377 | |
| 378 | /* Nothing to do for 15, 16, 24, 32 bit displays */ |
| 379 | if (visual->depth > 8) return TRUE; |
| 380 | |
| 381 | /* initialize color cube for 8-bit color reduction dithering */ |
| 382 | |
| 383 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 384 | |
| 385 | m_colorCube = (unsigned char*)malloc(32 * 32 * 32); |
| 386 | |
| 387 | for (int r = 0; r < 32; r++) |
| 388 | { |
| 389 | for (int g = 0; g < 32; g++) |
| 390 | { |
| 391 | for (int b = 0; b < 32; b++) |
| 392 | { |
| 393 | int rr = (r << 3) | (r >> 2); |
| 394 | int gg = (g << 3) | (g >> 2); |
| 395 | int bb = (b << 3) | (b >> 2); |
| 396 | |
| 397 | int index = -1; |
| 398 | |
| 399 | GdkColor *colors = cmap->colors; |
| 400 | if (colors) |
| 401 | { |
| 402 | int max = 3 * 65536; |
| 403 | |
| 404 | for (int i = 0; i < cmap->size; i++) |
| 405 | { |
| 406 | int rdiff = ((rr << 8) - colors[i].red); |
| 407 | int gdiff = ((gg << 8) - colors[i].green); |
| 408 | int bdiff = ((bb << 8) - colors[i].blue); |
| 409 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); |
| 410 | if (sum < max) |
| 411 | { |
| 412 | index = i; max = sum; |
| 413 | } |
| 414 | } |
| 415 | } |
| 416 | else |
| 417 | { |
| 418 | #if (GTK_MINOR_VERSION > 0) |
| 419 | /* assume 8-bit true or static colors. this really |
| 420 | exists. */ |
| 421 | GdkVisual* vis = gdk_colormap_get_visual( cmap ); |
| 422 | index = (r >> (5 - vis->red_prec)) << vis->red_shift; |
| 423 | index |= (g >> (5 - vis->green_prec)) << vis->green_shift; |
| 424 | index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift; |
| 425 | #else |
| 426 | wxFAIL_MSG( wxT("Unsupported graphics hardware") ); |
| 427 | #endif |
| 428 | } |
| 429 | m_colorCube[ (r*1024) + (g*32) + b ] = index; |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | return TRUE; |
| 435 | } |
| 436 | |
| 437 | bool wxApp::ProcessIdle() |
| 438 | { |
| 439 | wxIdleEvent event; |
| 440 | event.SetEventObject( this ); |
| 441 | ProcessEvent( event ); |
| 442 | |
| 443 | return event.MoreRequested(); |
| 444 | } |
| 445 | |
| 446 | void wxApp::OnIdle( wxIdleEvent &event ) |
| 447 | { |
| 448 | static bool s_inOnIdle = FALSE; |
| 449 | |
| 450 | /* Avoid recursion (via ProcessEvent default case) */ |
| 451 | if (s_inOnIdle) |
| 452 | return; |
| 453 | |
| 454 | s_inOnIdle = TRUE; |
| 455 | |
| 456 | /* Resend in the main thread events which have been prepared in other |
| 457 | threads */ |
| 458 | ProcessPendingEvents(); |
| 459 | |
| 460 | /* 'Garbage' collection of windows deleted with Close(). */ |
| 461 | DeletePendingObjects(); |
| 462 | |
| 463 | /* Send OnIdle events to all windows */ |
| 464 | bool needMore = SendIdleEvents(); |
| 465 | |
| 466 | if (needMore) |
| 467 | event.RequestMore(TRUE); |
| 468 | |
| 469 | s_inOnIdle = FALSE; |
| 470 | } |
| 471 | |
| 472 | bool wxApp::SendIdleEvents() |
| 473 | { |
| 474 | bool needMore = FALSE; |
| 475 | |
| 476 | wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); |
| 477 | while (node) |
| 478 | { |
| 479 | wxWindow* win = node->GetData(); |
| 480 | if (SendIdleEvents(win)) |
| 481 | needMore = TRUE; |
| 482 | node = node->GetNext(); |
| 483 | } |
| 484 | |
| 485 | return needMore; |
| 486 | } |
| 487 | |
| 488 | bool wxApp::SendIdleEvents( wxWindow* win ) |
| 489 | { |
| 490 | bool needMore = FALSE; |
| 491 | |
| 492 | wxIdleEvent event; |
| 493 | event.SetEventObject(win); |
| 494 | |
| 495 | win->GetEventHandler()->ProcessEvent(event); |
| 496 | |
| 497 | win->OnInternalIdle(); |
| 498 | |
| 499 | if (event.MoreRequested()) |
| 500 | needMore = TRUE; |
| 501 | |
| 502 | wxNode* node = win->GetChildren().First(); |
| 503 | while (node) |
| 504 | { |
| 505 | wxWindow* win = (wxWindow*) node->Data(); |
| 506 | if (SendIdleEvents(win)) |
| 507 | needMore = TRUE; |
| 508 | |
| 509 | node = node->Next(); |
| 510 | } |
| 511 | return needMore ; |
| 512 | } |
| 513 | |
| 514 | int wxApp::MainLoop() |
| 515 | { |
| 516 | gtk_main(); |
| 517 | return 0; |
| 518 | } |
| 519 | |
| 520 | void wxApp::ExitMainLoop() |
| 521 | { |
| 522 | if (gtk_main_level() > 0) |
| 523 | gtk_main_quit(); |
| 524 | } |
| 525 | |
| 526 | bool wxApp::Initialized() |
| 527 | { |
| 528 | return m_initialized; |
| 529 | } |
| 530 | |
| 531 | bool wxApp::Pending() |
| 532 | { |
| 533 | return (gtk_events_pending() > 0); |
| 534 | } |
| 535 | |
| 536 | void wxApp::Dispatch() |
| 537 | { |
| 538 | gtk_main_iteration(); |
| 539 | } |
| 540 | |
| 541 | void wxApp::DeletePendingObjects() |
| 542 | { |
| 543 | wxNode *node = wxPendingDelete.First(); |
| 544 | while (node) |
| 545 | { |
| 546 | wxObject *obj = (wxObject *)node->Data(); |
| 547 | |
| 548 | delete obj; |
| 549 | |
| 550 | if (wxPendingDelete.Find(obj)) |
| 551 | delete node; |
| 552 | |
| 553 | node = wxPendingDelete.First(); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | bool wxApp::Initialize() |
| 558 | { |
| 559 | wxBuffer = new wxChar[BUFSIZ + 512]; |
| 560 | |
| 561 | wxClassInfo::InitializeClasses(); |
| 562 | |
| 563 | wxSystemSettings::Init(); |
| 564 | |
| 565 | #if wxUSE_INTL |
| 566 | wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); |
| 567 | #endif |
| 568 | |
| 569 | // GL: I'm annoyed ... I don't know where to put this and I don't want to |
| 570 | // create a module for that as it's part of the core. |
| 571 | #if wxUSE_THREADS |
| 572 | wxPendingEvents = new wxList(); |
| 573 | wxPendingEventsLocker = new wxCriticalSection(); |
| 574 | #endif |
| 575 | |
| 576 | wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING ); |
| 577 | wxTheColourDatabase->Initialize(); |
| 578 | |
| 579 | wxInitializeStockLists(); |
| 580 | wxInitializeStockObjects(); |
| 581 | |
| 582 | #if wxUSE_WX_RESOURCES |
| 583 | wxInitializeResourceSystem(); |
| 584 | #endif |
| 585 | |
| 586 | wxModule::RegisterModules(); |
| 587 | if (!wxModule::InitializeModules()) return FALSE; |
| 588 | |
| 589 | return TRUE; |
| 590 | } |
| 591 | |
| 592 | void wxApp::CleanUp() |
| 593 | { |
| 594 | wxModule::CleanUpModules(); |
| 595 | |
| 596 | #if wxUSE_WX_RESOURCES |
| 597 | wxCleanUpResourceSystem(); |
| 598 | #endif |
| 599 | |
| 600 | if (wxTheColourDatabase) |
| 601 | delete wxTheColourDatabase; |
| 602 | |
| 603 | wxTheColourDatabase = (wxColourDatabase*) NULL; |
| 604 | |
| 605 | wxDeleteStockObjects(); |
| 606 | |
| 607 | wxDeleteStockLists(); |
| 608 | |
| 609 | delete wxTheApp; |
| 610 | wxTheApp = (wxApp*) NULL; |
| 611 | |
| 612 | // GL: I'm annoyed ... I don't know where to put this and I don't want to |
| 613 | // create a module for that as it's part of the core. |
| 614 | #if wxUSE_THREADS |
| 615 | delete wxPendingEvents; |
| 616 | delete wxPendingEventsLocker; |
| 617 | #endif |
| 618 | |
| 619 | wxSystemSettings::Done(); |
| 620 | |
| 621 | delete[] wxBuffer; |
| 622 | |
| 623 | wxClassInfo::CleanUpClasses(); |
| 624 | |
| 625 | // check for memory leaks |
| 626 | #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT |
| 627 | if (wxDebugContext::CountObjectsLeft(TRUE) > 0) |
| 628 | { |
| 629 | wxLogDebug(wxT("There were memory leaks.\n")); |
| 630 | wxDebugContext::Dump(); |
| 631 | wxDebugContext::PrintStatistics(); |
| 632 | } |
| 633 | #endif // Debug |
| 634 | |
| 635 | #if wxUSE_LOG |
| 636 | // do this as the very last thing because everything else can log messages |
| 637 | wxLog::DontCreateOnDemand(); |
| 638 | |
| 639 | wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); |
| 640 | if (oldLog) |
| 641 | delete oldLog; |
| 642 | #endif // wxUSE_LOG |
| 643 | } |
| 644 | |
| 645 | //----------------------------------------------------------------------------- |
| 646 | // Access to the root window global |
| 647 | //----------------------------------------------------------------------------- |
| 648 | |
| 649 | GtkWidget* wxGetRootWindow() |
| 650 | { |
| 651 | if (gs_RootWindow == NULL) { |
| 652 | gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); |
| 653 | gtk_widget_realize( gs_RootWindow ); |
| 654 | } |
| 655 | return gs_RootWindow; |
| 656 | } |
| 657 | |
| 658 | //----------------------------------------------------------------------------- |
| 659 | // wxEntry |
| 660 | //----------------------------------------------------------------------------- |
| 661 | |
| 662 | |
| 663 | int wxEntryStart( int argc, char *argv[] ) |
| 664 | { |
| 665 | #if wxUSE_THREADS |
| 666 | /* GTK 1.2 up to version 1.2.3 has broken threads */ |
| 667 | if ((gtk_major_version == 1) && |
| 668 | (gtk_minor_version == 2) && |
| 669 | (gtk_micro_version < 4)) |
| 670 | { |
| 671 | printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" ); |
| 672 | } |
| 673 | else |
| 674 | { |
| 675 | g_thread_init(NULL); |
| 676 | } |
| 677 | #endif |
| 678 | |
| 679 | gtk_set_locale(); |
| 680 | |
| 681 | // We should have the wxUSE_WCHAR_T test on the _outside_ |
| 682 | #if wxUSE_WCHAR_T |
| 683 | #if defined(__WXGTK20__) |
| 684 | // gtk+ 2.0 supports Unicode through UTF-8 strings |
| 685 | wxConvCurrent = &wxConvUTF8; |
| 686 | #else |
| 687 | if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; |
| 688 | #endif |
| 689 | #else |
| 690 | if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; |
| 691 | #endif |
| 692 | |
| 693 | gdk_threads_enter(); |
| 694 | |
| 695 | gtk_init( &argc, &argv ); |
| 696 | |
| 697 | wxSetDetectableAutoRepeat( TRUE ); |
| 698 | |
| 699 | if (!wxApp::Initialize()) |
| 700 | { |
| 701 | gdk_threads_leave(); |
| 702 | return -1; |
| 703 | } |
| 704 | |
| 705 | return 0; |
| 706 | } |
| 707 | |
| 708 | |
| 709 | int wxEntryInitGui() |
| 710 | { |
| 711 | int retValue = 0; |
| 712 | |
| 713 | if ( !wxTheApp->OnInitGui() ) |
| 714 | retValue = -1; |
| 715 | |
| 716 | wxGetRootWindow(); |
| 717 | |
| 718 | return retValue; |
| 719 | } |
| 720 | |
| 721 | |
| 722 | void wxEntryCleanup() |
| 723 | { |
| 724 | #if wxUSE_LOG |
| 725 | // flush the logged messages if any |
| 726 | wxLog *log = wxLog::GetActiveTarget(); |
| 727 | if (log != NULL && log->HasPendingMessages()) |
| 728 | log->Flush(); |
| 729 | |
| 730 | // continuing to use user defined log target is unsafe from now on because |
| 731 | // some resources may be already unavailable, so replace it by something |
| 732 | // more safe |
| 733 | wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr); |
| 734 | if ( oldlog ) |
| 735 | delete oldlog; |
| 736 | #endif // wxUSE_LOG |
| 737 | |
| 738 | wxApp::CleanUp(); |
| 739 | |
| 740 | gdk_threads_leave(); |
| 741 | } |
| 742 | |
| 743 | |
| 744 | |
| 745 | int wxEntry( int argc, char *argv[] ) |
| 746 | { |
| 747 | #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT |
| 748 | // This seems to be necessary since there are 'rogue' |
| 749 | // objects present at this point (perhaps global objects?) |
| 750 | // Setting a checkpoint will ignore them as far as the |
| 751 | // memory checking facility is concerned. |
| 752 | // Of course you may argue that memory allocated in globals should be |
| 753 | // checked, but this is a reasonable compromise. |
| 754 | wxDebugContext::SetCheckpoint(); |
| 755 | #endif |
| 756 | int err = wxEntryStart(argc, argv); |
| 757 | if (err) |
| 758 | return err; |
| 759 | |
| 760 | if (!wxTheApp) |
| 761 | { |
| 762 | wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, |
| 763 | wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") ); |
| 764 | |
| 765 | wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); |
| 766 | |
| 767 | wxObject *test_app = app_ini(); |
| 768 | |
| 769 | wxTheApp = (wxApp*) test_app; |
| 770 | } |
| 771 | |
| 772 | wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") ); |
| 773 | |
| 774 | wxTheApp->argc = argc; |
| 775 | #if wxUSE_UNICODE |
| 776 | wxTheApp->argv = new wxChar*[argc+1]; |
| 777 | int mb_argc = 0; |
| 778 | while (mb_argc < argc) |
| 779 | { |
| 780 | wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc])); |
| 781 | mb_argc++; |
| 782 | } |
| 783 | wxTheApp->argv[mb_argc] = (wxChar *)NULL; |
| 784 | #else |
| 785 | wxTheApp->argv = argv; |
| 786 | #endif |
| 787 | |
| 788 | wxString name(wxFileNameFromPath(argv[0])); |
| 789 | wxStripExtension( name ); |
| 790 | wxTheApp->SetAppName( name ); |
| 791 | |
| 792 | int retValue; |
| 793 | retValue = wxEntryInitGui(); |
| 794 | |
| 795 | // Here frames insert themselves automatically into wxTopLevelWindows by |
| 796 | // getting created in OnInit(). |
| 797 | if ( retValue == 0 ) |
| 798 | { |
| 799 | if ( !wxTheApp->OnInit() ) |
| 800 | retValue = -1; |
| 801 | } |
| 802 | |
| 803 | if ( retValue == 0 ) |
| 804 | { |
| 805 | /* delete pending toplevel windows (typically a single |
| 806 | dialog) so that, if there isn't any left, we don't |
| 807 | call OnRun() */ |
| 808 | wxTheApp->DeletePendingObjects(); |
| 809 | |
| 810 | wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; |
| 811 | |
| 812 | if (wxTheApp->Initialized()) |
| 813 | { |
| 814 | wxTheApp->OnRun(); |
| 815 | |
| 816 | wxWindow *topWindow = wxTheApp->GetTopWindow(); |
| 817 | if (topWindow) |
| 818 | { |
| 819 | /* Forcibly delete the window. */ |
| 820 | if (topWindow->IsKindOf(CLASSINFO(wxFrame)) || |
| 821 | topWindow->IsKindOf(CLASSINFO(wxDialog)) ) |
| 822 | { |
| 823 | topWindow->Close( TRUE ); |
| 824 | wxTheApp->DeletePendingObjects(); |
| 825 | } |
| 826 | else |
| 827 | { |
| 828 | delete topWindow; |
| 829 | wxTheApp->SetTopWindow( (wxWindow*) NULL ); |
| 830 | } |
| 831 | } |
| 832 | |
| 833 | retValue = wxTheApp->OnExit(); |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | wxEntryCleanup(); |
| 838 | |
| 839 | return retValue; |
| 840 | } |
| 841 | |
| 842 | #include "wx/gtk/info.xpm" |
| 843 | #include "wx/gtk/error.xpm" |
| 844 | #include "wx/gtk/question.xpm" |
| 845 | #include "wx/gtk/warning.xpm" |
| 846 | |
| 847 | wxIcon |
| 848 | wxApp::GetStdIcon(int which) const |
| 849 | { |
| 850 | switch(which) |
| 851 | { |
| 852 | case wxICON_INFORMATION: |
| 853 | return wxIcon(info_xpm); |
| 854 | |
| 855 | case wxICON_QUESTION: |
| 856 | return wxIcon(question_xpm); |
| 857 | |
| 858 | case wxICON_EXCLAMATION: |
| 859 | return wxIcon(warning_xpm); |
| 860 | |
| 861 | default: |
| 862 | wxFAIL_MSG(wxT("requested non existent standard icon")); |
| 863 | // still fall through |
| 864 | |
| 865 | case wxICON_HAND: |
| 866 | return wxIcon(error_xpm); |
| 867 | } |
| 868 | } |
| 869 | |
| 870 | #ifdef __WXDEBUG__ |
| 871 | |
| 872 | void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) |
| 873 | { |
| 874 | m_isInAssert = TRUE; |
| 875 | |
| 876 | wxAppBase::OnAssert(file, line, msg); |
| 877 | |
| 878 | m_isInAssert = FALSE; |
| 879 | } |
| 880 | |
| 881 | #endif // __WXDEBUG__ |
| 882 | |