| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/x11/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 | |
| 12 | // for compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #include "wx/app.h" |
| 16 | |
| 17 | #ifndef WX_PRECOMP |
| 18 | #include "wx/hash.h" |
| 19 | #include "wx/intl.h" |
| 20 | #include "wx/log.h" |
| 21 | #include "wx/utils.h" |
| 22 | #include "wx/frame.h" |
| 23 | #include "wx/icon.h" |
| 24 | #include "wx/dialog.h" |
| 25 | #include "wx/timer.h" |
| 26 | #include "wx/memory.h" |
| 27 | #include "wx/gdicmn.h" |
| 28 | #include "wx/module.h" |
| 29 | #endif |
| 30 | |
| 31 | #include "wx/evtloop.h" |
| 32 | #include "wx/filename.h" |
| 33 | |
| 34 | #include "wx/univ/theme.h" |
| 35 | #include "wx/univ/renderer.h" |
| 36 | |
| 37 | #if wxUSE_THREADS |
| 38 | #include "wx/thread.h" |
| 39 | #endif |
| 40 | |
| 41 | #include "wx/x11/private.h" |
| 42 | |
| 43 | #include <string.h> |
| 44 | |
| 45 | //------------------------------------------------------------------------ |
| 46 | // global data |
| 47 | //------------------------------------------------------------------------ |
| 48 | |
| 49 | wxWindowHash *wxWidgetHashTable = NULL; |
| 50 | wxWindowHash *wxClientWidgetHashTable = NULL; |
| 51 | |
| 52 | static bool g_showIconic = false; |
| 53 | static wxSize g_initialSize = wxDefaultSize; |
| 54 | |
| 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. |
| 59 | static wxWindow *g_nextFocus = NULL; |
| 60 | static wxWindow *g_prevFocus = NULL; |
| 61 | |
| 62 | //------------------------------------------------------------------------ |
| 63 | // X11 error handling |
| 64 | //------------------------------------------------------------------------ |
| 65 | |
| 66 | #ifdef __WXDEBUG__ |
| 67 | typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); |
| 68 | |
| 69 | XErrorHandlerFunc gs_pfnXErrorHandler = 0; |
| 70 | |
| 71 | static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) |
| 72 | { |
| 73 | // just forward to the default handler for now |
| 74 | if (gs_pfnXErrorHandler) |
| 75 | return gs_pfnXErrorHandler(dpy, xevent); |
| 76 | else |
| 77 | return 0; |
| 78 | } |
| 79 | #endif // __WXDEBUG__ |
| 80 | |
| 81 | //------------------------------------------------------------------------ |
| 82 | // wxApp |
| 83 | //------------------------------------------------------------------------ |
| 84 | |
| 85 | long wxApp::sm_lastMessageTime = 0; |
| 86 | |
| 87 | IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) |
| 88 | |
| 89 | BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) |
| 90 | EVT_IDLE(wxAppBase::OnIdle) |
| 91 | END_EVENT_TABLE() |
| 92 | |
| 93 | bool wxApp::Initialize(int& argC, wxChar **argV) |
| 94 | { |
| 95 | #if defined(__WXDEBUG__) && !wxUSE_NANOX |
| 96 | // install the X error handler |
| 97 | gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler ); |
| 98 | #endif // __WXDEBUG__ |
| 99 | |
| 100 | wxString displayName; |
| 101 | bool syncDisplay = false; |
| 102 | |
| 103 | int argCOrig = argC; |
| 104 | for ( int i = 0; i < argCOrig; i++ ) |
| 105 | { |
| 106 | if (wxStrcmp( argV[i], _T("-display") ) == 0) |
| 107 | { |
| 108 | if (i < (argC - 1)) |
| 109 | { |
| 110 | argV[i++] = NULL; |
| 111 | |
| 112 | displayName = argV[i]; |
| 113 | |
| 114 | argV[i] = NULL; |
| 115 | argC -= 2; |
| 116 | } |
| 117 | } |
| 118 | else if (wxStrcmp( argV[i], _T("-geometry") ) == 0) |
| 119 | { |
| 120 | if (i < (argC - 1)) |
| 121 | { |
| 122 | argV[i++] = NULL; |
| 123 | |
| 124 | int w, h; |
| 125 | if (wxSscanf(argV[i], _T("%dx%d"), &w, &h) != 2) |
| 126 | { |
| 127 | wxLogError( _("Invalid geometry specification '%s'"), |
| 128 | wxString(argV[i]).c_str() ); |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | g_initialSize = wxSize(w, h); |
| 133 | } |
| 134 | |
| 135 | argV[i] = NULL; |
| 136 | argC -= 2; |
| 137 | } |
| 138 | } |
| 139 | else if (wxStrcmp( argV[i], _T("-sync") ) == 0) |
| 140 | { |
| 141 | syncDisplay = true; |
| 142 | |
| 143 | argV[i] = NULL; |
| 144 | argC--; |
| 145 | } |
| 146 | else if (wxStrcmp( argV[i], _T("-iconic") ) == 0) |
| 147 | { |
| 148 | g_showIconic = true; |
| 149 | |
| 150 | argV[i] = NULL; |
| 151 | argC--; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | if ( argC != argCOrig ) |
| 156 | { |
| 157 | // remove the argumens we consumed |
| 158 | for ( int i = 0; i < argC; i++ ) |
| 159 | { |
| 160 | while ( !argV[i] ) |
| 161 | { |
| 162 | memmove(argV + i, argV + i + 1, argCOrig - i); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | // open and set up the X11 display |
| 168 | if ( !wxSetDisplay(displayName) ) |
| 169 | { |
| 170 | wxLogError(_("wxWidgets could not open display. Exiting.")); |
| 171 | return false; |
| 172 | } |
| 173 | |
| 174 | Display *dpy = wxGlobalDisplay(); |
| 175 | if (syncDisplay) |
| 176 | XSynchronize(dpy, True); |
| 177 | |
| 178 | XSelectInput(dpy, XDefaultRootWindow(dpy), PropertyChangeMask); |
| 179 | |
| 180 | wxSetDetectableAutoRepeat( true ); |
| 181 | |
| 182 | |
| 183 | if ( !wxAppBase::Initialize(argC, argV) ) |
| 184 | return false; |
| 185 | |
| 186 | #if wxUSE_UNICODE |
| 187 | // Glib's type system required by Pango |
| 188 | g_type_init(); |
| 189 | #endif |
| 190 | |
| 191 | #if wxUSE_INTL |
| 192 | wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); |
| 193 | #endif |
| 194 | |
| 195 | wxWidgetHashTable = new wxWindowHash; |
| 196 | wxClientWidgetHashTable = new wxWindowHash; |
| 197 | |
| 198 | return true; |
| 199 | } |
| 200 | |
| 201 | void wxApp::CleanUp() |
| 202 | { |
| 203 | delete wxWidgetHashTable; |
| 204 | wxWidgetHashTable = NULL; |
| 205 | delete wxClientWidgetHashTable; |
| 206 | wxClientWidgetHashTable = NULL; |
| 207 | |
| 208 | wxAppBase::CleanUp(); |
| 209 | } |
| 210 | |
| 211 | wxApp::wxApp() |
| 212 | { |
| 213 | m_mainColormap = NULL; |
| 214 | m_topLevelWidget = NULL; |
| 215 | m_maxRequestSize = 0; |
| 216 | m_showIconic = false; |
| 217 | m_initialSize = wxDefaultSize; |
| 218 | |
| 219 | #if !wxUSE_NANOX |
| 220 | m_visualInfo = NULL; |
| 221 | #endif |
| 222 | } |
| 223 | |
| 224 | wxApp::~wxApp() |
| 225 | { |
| 226 | #if !wxUSE_NANOX |
| 227 | delete m_visualInfo; |
| 228 | #endif |
| 229 | } |
| 230 | |
| 231 | #if !wxUSE_NANOX |
| 232 | |
| 233 | //----------------------------------------------------------------------- |
| 234 | // X11 predicate function for exposure compression |
| 235 | //----------------------------------------------------------------------- |
| 236 | |
| 237 | struct wxExposeInfo |
| 238 | { |
| 239 | Window window; |
| 240 | Bool found_non_matching; |
| 241 | }; |
| 242 | |
| 243 | extern "C" |
| 244 | Bool wxX11ExposePredicate (Display *display, XEvent *xevent, XPointer arg) |
| 245 | { |
| 246 | wxExposeInfo *info = (wxExposeInfo*) arg; |
| 247 | |
| 248 | if (info->found_non_matching) |
| 249 | return FALSE; |
| 250 | |
| 251 | if (xevent->xany.type != Expose) |
| 252 | { |
| 253 | info->found_non_matching = true; |
| 254 | return FALSE; |
| 255 | } |
| 256 | |
| 257 | if (xevent->xexpose.window != info->window) |
| 258 | { |
| 259 | info->found_non_matching = true; |
| 260 | return FALSE; |
| 261 | } |
| 262 | |
| 263 | return TRUE; |
| 264 | } |
| 265 | |
| 266 | #endif // wxUSE_NANOX |
| 267 | |
| 268 | //----------------------------------------------------------------------- |
| 269 | // Processes an X event, returning true if the event was processed. |
| 270 | //----------------------------------------------------------------------- |
| 271 | |
| 272 | bool wxApp::ProcessXEvent(WXEvent* _event) |
| 273 | { |
| 274 | XEvent* event = (XEvent*) _event; |
| 275 | |
| 276 | wxWindow* win = NULL; |
| 277 | Window window = XEventGetWindow(event); |
| 278 | #if 0 |
| 279 | Window actualWindow = window; |
| 280 | #endif |
| 281 | |
| 282 | // Find the first wxWindow that corresponds to this event window |
| 283 | // Because we're receiving events after a window |
| 284 | // has been destroyed, assume a 1:1 match between |
| 285 | // Window and wxWindow, so if it's not in the table, |
| 286 | // it must have been destroyed. |
| 287 | |
| 288 | win = wxGetWindowFromTable(window); |
| 289 | if (!win) |
| 290 | { |
| 291 | #if wxUSE_TWO_WINDOWS |
| 292 | win = wxGetClientWindowFromTable(window); |
| 293 | if (!win) |
| 294 | #endif |
| 295 | return false; |
| 296 | } |
| 297 | |
| 298 | #ifdef __WXDEBUG__ |
| 299 | wxString windowClass = win->GetClassInfo()->GetClassName(); |
| 300 | #endif |
| 301 | |
| 302 | switch (event->type) |
| 303 | { |
| 304 | case Expose: |
| 305 | { |
| 306 | #if wxUSE_TWO_WINDOWS && !wxUSE_NANOX |
| 307 | if (event->xexpose.window != (Window)win->GetClientAreaWindow()) |
| 308 | { |
| 309 | XEvent tmp_event; |
| 310 | wxExposeInfo info; |
| 311 | info.window = event->xexpose.window; |
| 312 | info.found_non_matching = false; |
| 313 | while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, wxX11ExposePredicate, (XPointer) &info )) |
| 314 | { |
| 315 | // Don't worry about optimizing redrawing the border etc. |
| 316 | } |
| 317 | win->NeedUpdateNcAreaInIdle(); |
| 318 | } |
| 319 | else |
| 320 | #endif |
| 321 | { |
| 322 | win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event), |
| 323 | XExposeEventGetWidth(event), XExposeEventGetHeight(event)); |
| 324 | win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event), |
| 325 | XExposeEventGetWidth(event), XExposeEventGetHeight(event)); |
| 326 | |
| 327 | #if !wxUSE_NANOX |
| 328 | XEvent tmp_event; |
| 329 | wxExposeInfo info; |
| 330 | info.window = event->xexpose.window; |
| 331 | info.found_non_matching = false; |
| 332 | while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, wxX11ExposePredicate, (XPointer) &info )) |
| 333 | { |
| 334 | win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y, |
| 335 | tmp_event.xexpose.width, tmp_event.xexpose.height ); |
| 336 | |
| 337 | win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y, |
| 338 | tmp_event.xexpose.width, tmp_event.xexpose.height ); |
| 339 | } |
| 340 | #endif |
| 341 | |
| 342 | // This simplifies the expose and clear areas to simple |
| 343 | // rectangles. |
| 344 | win->GetUpdateRegion() = win->GetUpdateRegion().GetBox(); |
| 345 | win->GetClearRegion() = win->GetClearRegion().GetBox(); |
| 346 | |
| 347 | // If we only have one X11 window, always indicate |
| 348 | // that borders might have to be redrawn. |
| 349 | if (win->GetMainWindow() == win->GetClientAreaWindow()) |
| 350 | win->NeedUpdateNcAreaInIdle(); |
| 351 | |
| 352 | // Only erase background, paint in idle time. |
| 353 | win->SendEraseEvents(); |
| 354 | |
| 355 | // EXPERIMENT |
| 356 | //win->Update(); |
| 357 | } |
| 358 | |
| 359 | return true; |
| 360 | } |
| 361 | |
| 362 | #if !wxUSE_NANOX |
| 363 | case GraphicsExpose: |
| 364 | { |
| 365 | wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str()); |
| 366 | |
| 367 | win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y, |
| 368 | event->xgraphicsexpose.width, event->xgraphicsexpose.height); |
| 369 | |
| 370 | win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y, |
| 371 | event->xgraphicsexpose.width, event->xgraphicsexpose.height); |
| 372 | |
| 373 | if (event->xgraphicsexpose.count == 0) |
| 374 | { |
| 375 | // Only erase background, paint in idle time. |
| 376 | win->SendEraseEvents(); |
| 377 | // win->Update(); |
| 378 | } |
| 379 | |
| 380 | return true; |
| 381 | } |
| 382 | #endif |
| 383 | |
| 384 | case KeyPress: |
| 385 | { |
| 386 | if (!win->IsEnabled()) |
| 387 | return false; |
| 388 | |
| 389 | wxKeyEvent keyEvent(wxEVT_KEY_DOWN); |
| 390 | wxTranslateKeyEvent(keyEvent, win, window, event); |
| 391 | |
| 392 | // wxLogDebug( "OnKey from %s", win->GetName().c_str() ); |
| 393 | |
| 394 | // We didn't process wxEVT_KEY_DOWN, so send wxEVT_CHAR |
| 395 | if (win->GetEventHandler()->ProcessEvent( keyEvent )) |
| 396 | return true; |
| 397 | |
| 398 | keyEvent.SetEventType(wxEVT_CHAR); |
| 399 | // Do the translation again, retaining the ASCII |
| 400 | // code. |
| 401 | wxTranslateKeyEvent(keyEvent, win, window, event, true); |
| 402 | if (win->GetEventHandler()->ProcessEvent( keyEvent )) |
| 403 | return true; |
| 404 | |
| 405 | if ( (keyEvent.m_keyCode == WXK_TAB) && |
| 406 | win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) ) |
| 407 | { |
| 408 | wxNavigationKeyEvent new_event; |
| 409 | new_event.SetEventObject( win->GetParent() ); |
| 410 | /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */ |
| 411 | new_event.SetDirection( (keyEvent.m_keyCode == WXK_TAB) ); |
| 412 | /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */ |
| 413 | new_event.SetWindowChange( keyEvent.ControlDown() ); |
| 414 | new_event.SetCurrentFocus( win ); |
| 415 | return win->GetParent()->GetEventHandler()->ProcessEvent( new_event ); |
| 416 | } |
| 417 | |
| 418 | return false; |
| 419 | } |
| 420 | case KeyRelease: |
| 421 | { |
| 422 | if (!win->IsEnabled()) |
| 423 | return false; |
| 424 | |
| 425 | wxKeyEvent keyEvent(wxEVT_KEY_UP); |
| 426 | wxTranslateKeyEvent(keyEvent, win, window, event); |
| 427 | |
| 428 | return win->GetEventHandler()->ProcessEvent( keyEvent ); |
| 429 | } |
| 430 | case ConfigureNotify: |
| 431 | { |
| 432 | #if wxUSE_NANOX |
| 433 | if (event->update.utype == GR_UPDATE_SIZE) |
| 434 | #endif |
| 435 | { |
| 436 | wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow); |
| 437 | if ( tlw ) |
| 438 | { |
| 439 | tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event), |
| 440 | XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) ); |
| 441 | } |
| 442 | |
| 443 | if ( tlw && tlw->IsShown() ) |
| 444 | { |
| 445 | tlw->SetNeedResizeInIdle(); |
| 446 | } |
| 447 | else |
| 448 | { |
| 449 | wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() ); |
| 450 | sizeEvent.SetEventObject( win ); |
| 451 | |
| 452 | return win->GetEventHandler()->ProcessEvent( sizeEvent ); |
| 453 | } |
| 454 | } |
| 455 | return false; |
| 456 | } |
| 457 | #if !wxUSE_NANOX |
| 458 | case PropertyNotify: |
| 459 | { |
| 460 | //wxLogDebug("PropertyNotify: %s", windowClass.c_str()); |
| 461 | return HandlePropertyChange(_event); |
| 462 | } |
| 463 | case ClientMessage: |
| 464 | { |
| 465 | if (!win->IsEnabled()) |
| 466 | return false; |
| 467 | |
| 468 | Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True); |
| 469 | Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True); |
| 470 | |
| 471 | if (event->xclient.message_type == wm_protocols) |
| 472 | { |
| 473 | if ((Atom) (event->xclient.data.l[0]) == wm_delete_window) |
| 474 | { |
| 475 | win->Close(false); |
| 476 | return true; |
| 477 | } |
| 478 | } |
| 479 | return false; |
| 480 | } |
| 481 | #if 0 |
| 482 | case DestroyNotify: |
| 483 | { |
| 484 | printf( "destroy from %s\n", win->GetName().c_str() ); |
| 485 | break; |
| 486 | } |
| 487 | case CreateNotify: |
| 488 | { |
| 489 | printf( "create from %s\n", win->GetName().c_str() ); |
| 490 | break; |
| 491 | } |
| 492 | case MapRequest: |
| 493 | { |
| 494 | printf( "map request from %s\n", win->GetName().c_str() ); |
| 495 | break; |
| 496 | } |
| 497 | case ResizeRequest: |
| 498 | { |
| 499 | printf( "resize request from %s\n", win->GetName().c_str() ); |
| 500 | |
| 501 | Display *disp = (Display*) wxGetDisplay(); |
| 502 | XEvent report; |
| 503 | |
| 504 | // to avoid flicker |
| 505 | report = * event; |
| 506 | while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report)); |
| 507 | |
| 508 | wxSize sz = win->GetSize(); |
| 509 | wxSizeEvent sizeEvent(sz, win->GetId()); |
| 510 | sizeEvent.SetEventObject(win); |
| 511 | |
| 512 | return win->GetEventHandler()->ProcessEvent( sizeEvent ); |
| 513 | } |
| 514 | #endif |
| 515 | #endif |
| 516 | #if wxUSE_NANOX |
| 517 | case GR_EVENT_TYPE_CLOSE_REQ: |
| 518 | { |
| 519 | if (win) |
| 520 | { |
| 521 | win->Close(false); |
| 522 | return true; |
| 523 | } |
| 524 | return false; |
| 525 | break; |
| 526 | } |
| 527 | #endif |
| 528 | case EnterNotify: |
| 529 | case LeaveNotify: |
| 530 | case ButtonPress: |
| 531 | case ButtonRelease: |
| 532 | case MotionNotify: |
| 533 | { |
| 534 | if (!win->IsEnabled()) |
| 535 | return false; |
| 536 | |
| 537 | // Here we check if the top level window is |
| 538 | // disabled, which is one aspect of modality. |
| 539 | wxWindow *tlw = win; |
| 540 | while (tlw && !tlw->IsTopLevel()) |
| 541 | tlw = tlw->GetParent(); |
| 542 | if (tlw && !tlw->IsEnabled()) |
| 543 | return false; |
| 544 | |
| 545 | if (event->type == ButtonPress) |
| 546 | { |
| 547 | if ((win != wxWindow::FindFocus()) && win->AcceptsFocus()) |
| 548 | { |
| 549 | // This might actually be done in wxWindow::SetFocus() |
| 550 | // and not here. TODO. |
| 551 | g_prevFocus = wxWindow::FindFocus(); |
| 552 | g_nextFocus = win; |
| 553 | |
| 554 | wxLogTrace( _T("focus"), _T("About to call SetFocus on %s of type %s due to button press"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); |
| 555 | |
| 556 | // Record the fact that this window is |
| 557 | // getting the focus, because we'll need to |
| 558 | // check if its parent is getting a bogus |
| 559 | // focus and duly ignore it. |
| 560 | // TODO: may need to have this code in SetFocus, too. |
| 561 | extern wxWindow* g_GettingFocus; |
| 562 | g_GettingFocus = win; |
| 563 | win->SetFocus(); |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | #if !wxUSE_NANOX |
| 568 | if (event->type == LeaveNotify || event->type == EnterNotify) |
| 569 | { |
| 570 | // Throw out NotifyGrab and NotifyUngrab |
| 571 | if (event->xcrossing.mode != NotifyNormal) |
| 572 | return false; |
| 573 | } |
| 574 | #endif |
| 575 | wxMouseEvent wxevent; |
| 576 | wxTranslateMouseEvent(wxevent, win, window, event); |
| 577 | return win->GetEventHandler()->ProcessEvent( wxevent ); |
| 578 | } |
| 579 | case FocusIn: |
| 580 | #if !wxUSE_NANOX |
| 581 | if ((event->xfocus.detail != NotifyPointer) && |
| 582 | (event->xfocus.mode == NotifyNormal)) |
| 583 | #endif |
| 584 | { |
| 585 | wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); |
| 586 | |
| 587 | extern wxWindow* g_GettingFocus; |
| 588 | if (g_GettingFocus && g_GettingFocus->GetParent() == win) |
| 589 | { |
| 590 | // Ignore this, this can be a spurious FocusIn |
| 591 | // caused by a child having its focus set. |
| 592 | g_GettingFocus = NULL; |
| 593 | wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); |
| 594 | return true; |
| 595 | } |
| 596 | else |
| 597 | { |
| 598 | wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId()); |
| 599 | focusEvent.SetEventObject(win); |
| 600 | focusEvent.SetWindow( g_prevFocus ); |
| 601 | g_prevFocus = NULL; |
| 602 | |
| 603 | return win->GetEventHandler()->ProcessEvent(focusEvent); |
| 604 | } |
| 605 | } |
| 606 | return false; |
| 607 | |
| 608 | case FocusOut: |
| 609 | #if !wxUSE_NANOX |
| 610 | if ((event->xfocus.detail != NotifyPointer) && |
| 611 | (event->xfocus.mode == NotifyNormal)) |
| 612 | #endif |
| 613 | { |
| 614 | wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); |
| 615 | |
| 616 | wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId()); |
| 617 | focusEvent.SetEventObject(win); |
| 618 | focusEvent.SetWindow( g_nextFocus ); |
| 619 | g_nextFocus = NULL; |
| 620 | return win->GetEventHandler()->ProcessEvent(focusEvent); |
| 621 | } |
| 622 | return false; |
| 623 | |
| 624 | #ifdef __WXDEBUG__ |
| 625 | default: |
| 626 | //wxString eventName = wxGetXEventName(XEvent& event); |
| 627 | //wxLogDebug(wxT("Event %s not handled"), eventName.c_str()); |
| 628 | break; |
| 629 | #endif // __WXDEBUG__ |
| 630 | } |
| 631 | |
| 632 | return false; |
| 633 | } |
| 634 | |
| 635 | // This should be redefined in a derived class for |
| 636 | // handling property change events for XAtom IPC. |
| 637 | bool wxApp::HandlePropertyChange(WXEvent *event) |
| 638 | { |
| 639 | // by default do nothing special |
| 640 | // TODO: what to do for X11 |
| 641 | // XtDispatchEvent((XEvent*) event); |
| 642 | return false; |
| 643 | } |
| 644 | |
| 645 | void wxApp::WakeUpIdle() |
| 646 | { |
| 647 | // TODO: use wxMotif implementation? |
| 648 | |
| 649 | // Wake up the idle handler processor, even if it is in another thread... |
| 650 | } |
| 651 | |
| 652 | |
| 653 | // Create display, and other initialization |
| 654 | bool wxApp::OnInitGui() |
| 655 | { |
| 656 | #if wxUSE_LOG |
| 657 | // Eventually this line will be removed, but for |
| 658 | // now we don't want to try popping up a dialog |
| 659 | // for error messages. |
| 660 | delete wxLog::SetActiveTarget(new wxLogStderr); |
| 661 | #endif |
| 662 | |
| 663 | if (!wxAppBase::OnInitGui()) |
| 664 | return false; |
| 665 | |
| 666 | Display *dpy = wxGlobalDisplay(); |
| 667 | GetMainColormap(dpy); |
| 668 | |
| 669 | m_maxRequestSize = XMaxRequestSize(dpy); |
| 670 | |
| 671 | #if !wxUSE_NANOX |
| 672 | m_visualInfo = new wxXVisualInfo; |
| 673 | wxFillXVisualInfo(m_visualInfo, dpy); |
| 674 | #endif |
| 675 | |
| 676 | return true; |
| 677 | } |
| 678 | |
| 679 | #if wxUSE_UNICODE |
| 680 | |
| 681 | #include <pango/pango.h> |
| 682 | #include <pango/pangox.h> |
| 683 | #ifdef HAVE_PANGO_XFT |
| 684 | #include <pango/pangoxft.h> |
| 685 | #endif |
| 686 | |
| 687 | PangoContext* wxApp::GetPangoContext() |
| 688 | { |
| 689 | static PangoContext *s_pangoContext = NULL; |
| 690 | if ( !s_pangoContext ) |
| 691 | { |
| 692 | Display *dpy = wxGlobalDisplay(); |
| 693 | |
| 694 | #ifdef HAVE_PANGO_XFT |
| 695 | int xscreen = DefaultScreen(dpy); |
| 696 | static int use_xft = -1; |
| 697 | if (use_xft == -1) |
| 698 | { |
| 699 | wxString val = wxGetenv( L"GDK_USE_XFT" ); |
| 700 | use_xft = val == L"1"; |
| 701 | } |
| 702 | |
| 703 | if (use_xft) |
| 704 | s_pangoContext = pango_xft_get_context(dpy, xscreen); |
| 705 | else |
| 706 | #endif // HAVE_PANGO_XFT |
| 707 | s_pangoContext = pango_x_get_context(dpy); |
| 708 | |
| 709 | if (!PANGO_IS_CONTEXT(s_pangoContext)) |
| 710 | wxLogError( wxT("No pango context.") ); |
| 711 | } |
| 712 | |
| 713 | return s_pangoContext; |
| 714 | } |
| 715 | |
| 716 | #endif // wxUSE_UNICODE |
| 717 | |
| 718 | WXColormap wxApp::GetMainColormap(WXDisplay* display) |
| 719 | { |
| 720 | if (!display) /* Must be called first with non-NULL display */ |
| 721 | return m_mainColormap; |
| 722 | |
| 723 | int defaultScreen = DefaultScreen((Display*) display); |
| 724 | Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen); |
| 725 | |
| 726 | Colormap c = DefaultColormapOfScreen(screen); |
| 727 | |
| 728 | if (!m_mainColormap) |
| 729 | m_mainColormap = (WXColormap) c; |
| 730 | |
| 731 | return (WXColormap) c; |
| 732 | } |
| 733 | |
| 734 | Window wxGetWindowParent(Window window) |
| 735 | { |
| 736 | wxASSERT_MSG( window, _T("invalid window") ); |
| 737 | |
| 738 | return (Window) 0; |
| 739 | |
| 740 | #ifndef __VMS |
| 741 | // VMS chokes on unreacheable code |
| 742 | Window parent, root = 0; |
| 743 | #if wxUSE_NANOX |
| 744 | int noChildren = 0; |
| 745 | #else |
| 746 | unsigned int noChildren = 0; |
| 747 | #endif |
| 748 | Window* children = NULL; |
| 749 | |
| 750 | // #define XQueryTree(d,w,r,p,c,nc) GrQueryTree(w,p,c,nc) |
| 751 | int res = 1; |
| 752 | #if !wxUSE_NANOX |
| 753 | res = |
| 754 | #endif |
| 755 | XQueryTree((Display*) wxGetDisplay(), window, & root, & parent, |
| 756 | & children, & noChildren); |
| 757 | if (children) |
| 758 | XFree(children); |
| 759 | if (res) |
| 760 | return parent; |
| 761 | else |
| 762 | return (Window) 0; |
| 763 | #endif |
| 764 | } |
| 765 | |
| 766 | void wxApp::Exit() |
| 767 | { |
| 768 | wxApp::CleanUp(); |
| 769 | |
| 770 | wxAppConsole::Exit(); |
| 771 | } |
| 772 | |
| 773 | // Yield to other processes |
| 774 | |
| 775 | bool wxApp::Yield(bool onlyIfNeeded) |
| 776 | { |
| 777 | // Sometimes only 2 yields seem |
| 778 | // to do the trick, e.g. in the |
| 779 | // progress dialog |
| 780 | int i; |
| 781 | for (i = 0; i < 2; i++) |
| 782 | { |
| 783 | static bool s_inYield = false; |
| 784 | |
| 785 | if ( s_inYield ) |
| 786 | { |
| 787 | if ( !onlyIfNeeded ) |
| 788 | { |
| 789 | wxFAIL_MSG( wxT("wxYield called recursively" ) ); |
| 790 | } |
| 791 | |
| 792 | return false; |
| 793 | } |
| 794 | |
| 795 | s_inYield = true; |
| 796 | |
| 797 | // Make sure we have an event loop object, |
| 798 | // or Pending/Dispatch will fail |
| 799 | wxEventLoop* eventLoop = wxEventLoop::GetActive(); |
| 800 | wxEventLoop* newEventLoop = NULL; |
| 801 | if (!eventLoop) |
| 802 | { |
| 803 | newEventLoop = new wxEventLoop; |
| 804 | wxEventLoop::SetActive(newEventLoop); |
| 805 | } |
| 806 | |
| 807 | // Call dispatch at least once so that sockets |
| 808 | // can be tested |
| 809 | wxTheApp->Dispatch(); |
| 810 | |
| 811 | while (wxTheApp && wxTheApp->Pending()) |
| 812 | wxTheApp->Dispatch(); |
| 813 | |
| 814 | #if wxUSE_TIMER |
| 815 | wxTimer::NotifyTimers(); |
| 816 | #endif |
| 817 | ProcessIdle(); |
| 818 | |
| 819 | if (newEventLoop) |
| 820 | { |
| 821 | wxEventLoop::SetActive(NULL); |
| 822 | delete newEventLoop; |
| 823 | } |
| 824 | |
| 825 | s_inYield = false; |
| 826 | } |
| 827 | |
| 828 | return true; |
| 829 | } |
| 830 | |
| 831 | #ifdef __WXDEBUG__ |
| 832 | |
| 833 | void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) |
| 834 | { |
| 835 | // While the GUI isn't working that well, just print out the |
| 836 | // message. |
| 837 | #if 1 |
| 838 | wxAppBase::OnAssert(file, line, cond, msg); |
| 839 | #else |
| 840 | wxString msg2; |
| 841 | msg2.Printf("At file %s:%d: %s", file, line, msg); |
| 842 | wxLogDebug(msg2); |
| 843 | #endif |
| 844 | } |
| 845 | |
| 846 | #endif // __WXDEBUG__ |