| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: app.cpp |
| 3 | // Purpose: wxApp |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "app.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #if defined(__BORLANDC__) |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/frame.h" |
| 33 | #include "wx/app.h" |
| 34 | #include "wx/utils.h" |
| 35 | #include "wx/gdicmn.h" |
| 36 | #include "wx/pen.h" |
| 37 | #include "wx/brush.h" |
| 38 | #include "wx/cursor.h" |
| 39 | #include "wx/icon.h" |
| 40 | #include "wx/palette.h" |
| 41 | #include "wx/dc.h" |
| 42 | #include "wx/dialog.h" |
| 43 | #include "wx/msgdlg.h" |
| 44 | #include "wx/intl.h" |
| 45 | #include "wx/dynarray.h" |
| 46 | #include "wx/wxchar.h" |
| 47 | #include "wx/icon.h" |
| 48 | #endif |
| 49 | |
| 50 | #include "wx/log.h" |
| 51 | #include "wx/module.h" |
| 52 | |
| 53 | #include "wx/msw/private.h" |
| 54 | |
| 55 | #if wxUSE_THREADS |
| 56 | #include "wx/thread.h" |
| 57 | |
| 58 | // define the array of MSG strutures |
| 59 | WX_DECLARE_OBJARRAY(MSG, wxMsgArray); |
| 60 | |
| 61 | #include "wx/arrimpl.cpp" |
| 62 | |
| 63 | WX_DEFINE_OBJARRAY(wxMsgArray); |
| 64 | #endif // wxUSE_THREADS |
| 65 | |
| 66 | #if wxUSE_WX_RESOURCES |
| 67 | #include "wx/resource.h" |
| 68 | #endif |
| 69 | |
| 70 | #if wxUSE_TOOLTIPS |
| 71 | #include "wx/tooltip.h" |
| 72 | #endif // wxUSE_TOOLTIPS |
| 73 | |
| 74 | // OLE is used for drag-and-drop, clipboard, OLE Automation..., but some |
| 75 | // compilers don't support it (missing headers, libs, ...) |
| 76 | #if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__) |
| 77 | #undef wxUSE_OLE |
| 78 | |
| 79 | #define wxUSE_OLE 0 |
| 80 | #endif // broken compilers |
| 81 | |
| 82 | #if wxUSE_OLE |
| 83 | #include <ole2.h> |
| 84 | #endif |
| 85 | |
| 86 | #include <string.h> |
| 87 | #include <ctype.h> |
| 88 | |
| 89 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) |
| 90 | #include <commctrl.h> |
| 91 | #endif |
| 92 | |
| 93 | #include "wx/msw/msvcrt.h" |
| 94 | |
| 95 | // ---------------------------------------------------------------------------- |
| 96 | // conditional compilation |
| 97 | // ---------------------------------------------------------------------------- |
| 98 | |
| 99 | // The macro _WIN32_IE is defined by commctrl.h (unless it had already been |
| 100 | // defined before) and shows us what common control features are available |
| 101 | // during the compile time (it doesn't mean that they will be available during |
| 102 | // the run-time, use GetComCtl32Version() to test for them!). The possible |
| 103 | // values are: |
| 104 | // |
| 105 | // 0x0200 for comctl32.dll 4.00 shipped with Win95/NT 4.0 |
| 106 | // 0x0300 4.70 IE 3.x |
| 107 | // 0x0400 4.71 IE 4.0 |
| 108 | // 0x0401 4.72 IE 4.01 and Win98 |
| 109 | // 0x0500 5.00 IE 5.x and NT 5.0 (Win2000) |
| 110 | |
| 111 | #ifndef _WIN32_IE |
| 112 | // minimal set of features by default |
| 113 | #define _WIN32_IE 0x0200 |
| 114 | #endif |
| 115 | |
| 116 | #if _WIN32_IE >= 0x0300 |
| 117 | #include <shlwapi.h> |
| 118 | #endif |
| 119 | |
| 120 | // --------------------------------------------------------------------------- |
| 121 | // global variables |
| 122 | // --------------------------------------------------------------------------- |
| 123 | |
| 124 | extern wxChar *wxBuffer; |
| 125 | extern wxList *wxWinHandleList; |
| 126 | extern wxList WXDLLEXPORT wxPendingDelete; |
| 127 | extern void wxSetKeyboardHook(bool doIt); |
| 128 | |
| 129 | MSG s_currentMsg; |
| 130 | wxApp *wxTheApp = NULL; |
| 131 | |
| 132 | // NB: all "NoRedraw" classes must have the same names as the "normal" classes |
| 133 | // with NR suffix - wxWindow::MSWCreate() supposes this |
| 134 | const wxChar *wxFrameClassName = wxT("wxFrameClass"); |
| 135 | const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR"); |
| 136 | const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass"); |
| 137 | const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR"); |
| 138 | const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass"); |
| 139 | const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR"); |
| 140 | const wxChar *wxPanelClassName = wxT("wxPanelClass"); |
| 141 | const wxChar *wxPanelClassNameNR = wxT("wxPanelClassNR"); |
| 142 | const wxChar *wxCanvasClassName = wxT("wxCanvasClass"); |
| 143 | const wxChar *wxCanvasClassNameNR = wxT("wxCanvasClassNR"); |
| 144 | |
| 145 | HICON wxSTD_FRAME_ICON = (HICON) NULL; |
| 146 | HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL; |
| 147 | HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL; |
| 148 | |
| 149 | HICON wxDEFAULT_FRAME_ICON = (HICON) NULL; |
| 150 | HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL; |
| 151 | HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; |
| 152 | |
| 153 | HBRUSH wxDisableButtonBrush = (HBRUSH) 0; |
| 154 | |
| 155 | LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); |
| 156 | |
| 157 | // FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it |
| 158 | // needs compiler support for Win32 SEH. Others (especially Borland) |
| 159 | // probably have it too, but I'm not sure about how it works |
| 160 | // JACS: get 'Cannot use __try in functions that require unwinding |
| 161 | // in Unicode mode, so disabling. |
| 162 | #if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE) |
| 163 | #undef wxUSE_ON_FATAL_EXCEPTION |
| 164 | #define wxUSE_ON_FATAL_EXCEPTION 0 |
| 165 | #endif // VC++ |
| 166 | |
| 167 | #if wxUSE_ON_FATAL_EXCEPTION |
| 168 | static bool gs_handleExceptions = FALSE; |
| 169 | #endif |
| 170 | |
| 171 | // =========================================================================== |
| 172 | // implementation |
| 173 | // =========================================================================== |
| 174 | |
| 175 | // --------------------------------------------------------------------------- |
| 176 | // wxApp |
| 177 | // --------------------------------------------------------------------------- |
| 178 | |
| 179 | IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) |
| 180 | |
| 181 | BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) |
| 182 | EVT_IDLE(wxApp::OnIdle) |
| 183 | EVT_END_SESSION(wxApp::OnEndSession) |
| 184 | EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) |
| 185 | END_EVENT_TABLE() |
| 186 | |
| 187 | //// Initialize |
| 188 | bool wxApp::Initialize() |
| 189 | { |
| 190 | // the first thing to do is to check if we're trying to run an Unicode |
| 191 | // program under Win9x - if so, abort right now as it has no chance to |
| 192 | // work |
| 193 | #if wxUSE_UNICODE |
| 194 | if ( wxGetOsVersion() != wxWINDOWS_NT ) |
| 195 | { |
| 196 | // note that we can use MessageBoxW() as it's implemented even under |
| 197 | // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs |
| 198 | // used by wxLocale are not |
| 199 | ::MessageBox |
| 200 | ( |
| 201 | NULL, |
| 202 | _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."), |
| 203 | _T("wxWindows Fatal Error"), |
| 204 | MB_ICONERROR | MB_OK |
| 205 | ); |
| 206 | |
| 207 | return FALSE; |
| 208 | } |
| 209 | #endif // wxUSE_UNICODE |
| 210 | |
| 211 | // Some people may wish to use this, but |
| 212 | // probably it shouldn't be here by default. |
| 213 | #ifdef __WXDEBUG__ |
| 214 | // wxRedirectIOToConsole(); |
| 215 | #endif |
| 216 | |
| 217 | wxBuffer = new wxChar[1500]; // FIXME |
| 218 | |
| 219 | wxClassInfo::InitializeClasses(); |
| 220 | |
| 221 | #if wxUSE_THREADS |
| 222 | wxPendingEventsLocker = new wxCriticalSection; |
| 223 | #endif |
| 224 | |
| 225 | wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); |
| 226 | wxTheColourDatabase->Initialize(); |
| 227 | |
| 228 | wxInitializeStockLists(); |
| 229 | wxInitializeStockObjects(); |
| 230 | |
| 231 | #if wxUSE_WX_RESOURCES |
| 232 | wxInitializeResourceSystem(); |
| 233 | #endif |
| 234 | |
| 235 | wxBitmap::InitStandardHandlers(); |
| 236 | |
| 237 | #if defined(__WIN95__) |
| 238 | InitCommonControls(); |
| 239 | |
| 240 | #endif // __WIN95__ |
| 241 | |
| 242 | #if wxUSE_OLE |
| 243 | |
| 244 | #ifdef __WIN16__ |
| 245 | // for OLE, enlarge message queue to be as large as possible |
| 246 | int iMsg = 96; |
| 247 | while (!SetMessageQueue(iMsg) && (iMsg -= 8)) |
| 248 | ; |
| 249 | #endif // Win16 |
| 250 | // we need to initialize OLE library |
| 251 | if ( FAILED(::OleInitialize(NULL)) ) |
| 252 | wxLogError(_("Cannot initialize OLE")); |
| 253 | #endif // wxUSE_OLE |
| 254 | |
| 255 | #if wxUSE_CTL3D |
| 256 | if (!Ctl3dRegister(wxhInstance)) |
| 257 | wxLogError(wxT("Cannot register CTL3D")); |
| 258 | |
| 259 | Ctl3dAutoSubclass(wxhInstance); |
| 260 | #endif |
| 261 | |
| 262 | // VZ: these icons are not in wx.rc anyhow (but should they?)! |
| 263 | #if 0 |
| 264 | wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME")); |
| 265 | wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME")); |
| 266 | wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME")); |
| 267 | |
| 268 | wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME")); |
| 269 | wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME")); |
| 270 | wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME")); |
| 271 | #endif // 0 |
| 272 | |
| 273 | RegisterWindowClasses(); |
| 274 | |
| 275 | // Create the brush for disabling bitmap buttons |
| 276 | |
| 277 | LOGBRUSH lb; |
| 278 | lb.lbStyle = BS_PATTERN; |
| 279 | lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") ); |
| 280 | if ( lb.lbHatch ) |
| 281 | { |
| 282 | wxDisableButtonBrush = ::CreateBrushIndirect( & lb ); |
| 283 | ::DeleteObject( (HGDIOBJ)lb.lbHatch ); |
| 284 | } |
| 285 | //else: wxWindows resources are probably not linked in |
| 286 | |
| 287 | #if wxUSE_PENWINDOWS |
| 288 | wxRegisterPenWin(); |
| 289 | #endif |
| 290 | |
| 291 | wxWinHandleList = new wxList(wxKEY_INTEGER); |
| 292 | |
| 293 | // This is to foil optimizations in Visual C++ that throw out dummy.obj. |
| 294 | // PLEASE DO NOT ALTER THIS. |
| 295 | #if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL) |
| 296 | extern char wxDummyChar; |
| 297 | if (wxDummyChar) wxDummyChar++; |
| 298 | #endif |
| 299 | |
| 300 | wxSetKeyboardHook(TRUE); |
| 301 | |
| 302 | wxModule::RegisterModules(); |
| 303 | if (!wxModule::InitializeModules()) |
| 304 | return FALSE; |
| 305 | return TRUE; |
| 306 | } |
| 307 | |
| 308 | // --------------------------------------------------------------------------- |
| 309 | // RegisterWindowClasses |
| 310 | // --------------------------------------------------------------------------- |
| 311 | |
| 312 | // TODO we should only register classes really used by the app. For this it |
| 313 | // would be enough to just delay the class registration until an attempt |
| 314 | // to create a window of this class is made. |
| 315 | bool wxApp::RegisterWindowClasses() |
| 316 | { |
| 317 | WNDCLASS wndclass; |
| 318 | |
| 319 | // for each class we register one with CS_(V|H)REDRAW style and one |
| 320 | // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag |
| 321 | static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; |
| 322 | static const long styleNoRedraw = CS_DBLCLKS; |
| 323 | |
| 324 | // the fields which are common to all classes |
| 325 | wndclass.lpfnWndProc = (WNDPROC)wxWndProc; |
| 326 | wndclass.cbClsExtra = 0; |
| 327 | wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for? |
| 328 | wndclass.hInstance = wxhInstance; |
| 329 | wndclass.hIcon = (HICON) NULL; |
| 330 | wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); |
| 331 | wndclass.lpszMenuName = NULL; |
| 332 | |
| 333 | // Register the frame window class. |
| 334 | wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1); |
| 335 | wndclass.lpszClassName = wxFrameClassName; |
| 336 | wndclass.style = styleNormal; |
| 337 | |
| 338 | if ( !RegisterClass(&wndclass) ) |
| 339 | { |
| 340 | wxLogLastError(wxT("RegisterClass(frame)")); |
| 341 | |
| 342 | return FALSE; |
| 343 | } |
| 344 | |
| 345 | // "no redraw" frame |
| 346 | wndclass.lpszClassName = wxFrameClassNameNoRedraw; |
| 347 | wndclass.style = styleNoRedraw; |
| 348 | |
| 349 | if ( !RegisterClass(&wndclass) ) |
| 350 | { |
| 351 | wxLogLastError(wxT("RegisterClass(no redraw frame)")); |
| 352 | |
| 353 | return FALSE; |
| 354 | } |
| 355 | |
| 356 | // Register the MDI frame window class. |
| 357 | wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves |
| 358 | wndclass.lpszClassName = wxMDIFrameClassName; |
| 359 | wndclass.style = styleNormal; |
| 360 | |
| 361 | if ( !RegisterClass(&wndclass) ) |
| 362 | { |
| 363 | wxLogLastError(wxT("RegisterClass(MDI parent)")); |
| 364 | |
| 365 | return FALSE; |
| 366 | } |
| 367 | |
| 368 | // "no redraw" MDI frame |
| 369 | wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw; |
| 370 | wndclass.style = styleNoRedraw; |
| 371 | |
| 372 | if ( !RegisterClass(&wndclass) ) |
| 373 | { |
| 374 | wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); |
| 375 | |
| 376 | return FALSE; |
| 377 | } |
| 378 | |
| 379 | // Register the MDI child frame window class. |
| 380 | wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); |
| 381 | wndclass.lpszClassName = wxMDIChildFrameClassName; |
| 382 | wndclass.style = styleNormal; |
| 383 | |
| 384 | if ( !RegisterClass(&wndclass) ) |
| 385 | { |
| 386 | wxLogLastError(wxT("RegisterClass(MDI child)")); |
| 387 | |
| 388 | return FALSE; |
| 389 | } |
| 390 | |
| 391 | // "no redraw" MDI child frame |
| 392 | wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw; |
| 393 | wndclass.style = styleNoRedraw; |
| 394 | |
| 395 | if ( !RegisterClass(&wndclass) ) |
| 396 | { |
| 397 | wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); |
| 398 | |
| 399 | return FALSE; |
| 400 | } |
| 401 | |
| 402 | // Register the panel window class. |
| 403 | wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH ); |
| 404 | wndclass.lpszClassName = wxPanelClassName; |
| 405 | wndclass.style = styleNormal; |
| 406 | |
| 407 | if ( !RegisterClass(&wndclass) ) |
| 408 | { |
| 409 | wxLogLastError(wxT("RegisterClass(panel)")); |
| 410 | |
| 411 | return FALSE; |
| 412 | } |
| 413 | |
| 414 | // Register the no redraw panel window class. |
| 415 | wndclass.lpszClassName = wxPanelClassNameNR; |
| 416 | wndclass.style = styleNoRedraw; |
| 417 | |
| 418 | if ( !RegisterClass(&wndclass) ) |
| 419 | { |
| 420 | wxLogLastError(wxT("RegisterClass(no redraw panel)")); |
| 421 | |
| 422 | return FALSE; |
| 423 | } |
| 424 | |
| 425 | // Register the canvas and textsubwindow class name |
| 426 | wndclass.hbrBackground = (HBRUSH)NULL; |
| 427 | wndclass.lpszClassName = wxCanvasClassName; |
| 428 | |
| 429 | if ( !RegisterClass(&wndclass) ) |
| 430 | { |
| 431 | wxLogLastError(wxT("RegisterClass(canvas)")); |
| 432 | |
| 433 | return FALSE; |
| 434 | } |
| 435 | |
| 436 | wndclass.lpszClassName = wxCanvasClassNameNR; |
| 437 | wndclass.style = styleNoRedraw; |
| 438 | if ( !RegisterClass(&wndclass) ) |
| 439 | { |
| 440 | wxLogLastError(wxT("RegisterClass(no redraw canvas)")); |
| 441 | |
| 442 | return FALSE; |
| 443 | } |
| 444 | |
| 445 | return TRUE; |
| 446 | } |
| 447 | |
| 448 | // --------------------------------------------------------------------------- |
| 449 | // Convert Windows to argc, argv style |
| 450 | // --------------------------------------------------------------------------- |
| 451 | |
| 452 | void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) |
| 453 | { |
| 454 | wxStringList args; |
| 455 | |
| 456 | wxString cmdLine(lpCmdLine); |
| 457 | int count = 0; |
| 458 | |
| 459 | // Get application name |
| 460 | wxChar name[260]; // 260 is MAX_PATH value from windef.h |
| 461 | ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name)); |
| 462 | |
| 463 | args.Add(name); |
| 464 | count++; |
| 465 | |
| 466 | wxStrcpy(name, wxFileNameFromPath(name)); |
| 467 | wxStripExtension(name); |
| 468 | wxTheApp->SetAppName(name); |
| 469 | |
| 470 | // Break up string |
| 471 | // Treat strings enclosed in double-quotes as single arguments |
| 472 | int i = 0; |
| 473 | int len = cmdLine.Length(); |
| 474 | while (i < len) |
| 475 | { |
| 476 | // Skip whitespace |
| 477 | while ((i < len) && wxIsspace(cmdLine.GetChar(i))) |
| 478 | i ++; |
| 479 | |
| 480 | if (i < len) |
| 481 | { |
| 482 | if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string |
| 483 | { |
| 484 | i ++; |
| 485 | int first = i; |
| 486 | while ((i < len) && (cmdLine.GetChar(i) != wxT('"'))) |
| 487 | i ++; |
| 488 | |
| 489 | wxString arg(cmdLine.Mid(first, (i - first))); |
| 490 | |
| 491 | args.Add(arg); |
| 492 | count ++; |
| 493 | |
| 494 | if (i < len) |
| 495 | i ++; // Skip past 2nd quote |
| 496 | } |
| 497 | else // Unquoted argument |
| 498 | { |
| 499 | int first = i; |
| 500 | while ((i < len) && !wxIsspace(cmdLine.GetChar(i))) |
| 501 | i ++; |
| 502 | |
| 503 | wxString arg(cmdLine.Mid(first, (i - first))); |
| 504 | |
| 505 | args.Add(arg); |
| 506 | count ++; |
| 507 | } |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | wxTheApp->argv = new wxChar*[count + 1]; |
| 512 | for (i = 0; i < count; i++) |
| 513 | { |
| 514 | wxString arg(args[i]); |
| 515 | wxTheApp->argv[i] = copystring((const wxChar*)arg); |
| 516 | } |
| 517 | wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list |
| 518 | wxTheApp->argc = count; |
| 519 | } |
| 520 | |
| 521 | //// Cleans up any wxWindows internal structures left lying around |
| 522 | |
| 523 | void wxApp::CleanUp() |
| 524 | { |
| 525 | //// COMMON CLEANUP |
| 526 | |
| 527 | #if wxUSE_LOG |
| 528 | // flush the logged messages if any and install a 'safer' log target: the |
| 529 | // default one (wxLogGui) can't be used after the resources are freed just |
| 530 | // below and the user suppliedo ne might be even more unsafe (using any |
| 531 | // wxWindows GUI function is unsafe starting from now) |
| 532 | wxLog::DontCreateOnDemand(); |
| 533 | |
| 534 | // this will flush the old messages if any |
| 535 | delete wxLog::SetActiveTarget(new wxLogStderr); |
| 536 | #endif // wxUSE_LOG |
| 537 | |
| 538 | // One last chance for pending objects to be cleaned up |
| 539 | wxTheApp->DeletePendingObjects(); |
| 540 | |
| 541 | wxModule::CleanUpModules(); |
| 542 | |
| 543 | #if wxUSE_WX_RESOURCES |
| 544 | wxCleanUpResourceSystem(); |
| 545 | |
| 546 | // wxDefaultResourceTable->ClearTable(); |
| 547 | #endif |
| 548 | |
| 549 | wxDeleteStockObjects(); |
| 550 | |
| 551 | // Destroy all GDI lists, etc. |
| 552 | wxDeleteStockLists(); |
| 553 | |
| 554 | delete wxTheColourDatabase; |
| 555 | wxTheColourDatabase = NULL; |
| 556 | |
| 557 | wxBitmap::CleanUpHandlers(); |
| 558 | |
| 559 | delete[] wxBuffer; |
| 560 | wxBuffer = NULL; |
| 561 | |
| 562 | //// WINDOWS-SPECIFIC CLEANUP |
| 563 | |
| 564 | wxSetKeyboardHook(FALSE); |
| 565 | |
| 566 | #if wxUSE_PENWINDOWS |
| 567 | wxCleanUpPenWin(); |
| 568 | #endif |
| 569 | |
| 570 | if (wxSTD_FRAME_ICON) |
| 571 | DestroyIcon(wxSTD_FRAME_ICON); |
| 572 | if (wxSTD_MDICHILDFRAME_ICON) |
| 573 | DestroyIcon(wxSTD_MDICHILDFRAME_ICON); |
| 574 | if (wxSTD_MDIPARENTFRAME_ICON) |
| 575 | DestroyIcon(wxSTD_MDIPARENTFRAME_ICON); |
| 576 | |
| 577 | if (wxDEFAULT_FRAME_ICON) |
| 578 | DestroyIcon(wxDEFAULT_FRAME_ICON); |
| 579 | if (wxDEFAULT_MDICHILDFRAME_ICON) |
| 580 | DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON); |
| 581 | if (wxDEFAULT_MDIPARENTFRAME_ICON) |
| 582 | DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON); |
| 583 | |
| 584 | if ( wxDisableButtonBrush ) |
| 585 | ::DeleteObject( wxDisableButtonBrush ); |
| 586 | |
| 587 | #if wxUSE_OLE |
| 588 | ::OleUninitialize(); |
| 589 | #endif |
| 590 | |
| 591 | #if wxUSE_CTL3D |
| 592 | Ctl3dUnregister(wxhInstance); |
| 593 | #endif |
| 594 | |
| 595 | if (wxWinHandleList) |
| 596 | delete wxWinHandleList; |
| 597 | |
| 598 | // GL: I'm annoyed ... I don't know where to put this and I don't want to |
| 599 | // create a module for that as it's part of the core. |
| 600 | delete wxPendingEvents; |
| 601 | #if wxUSE_THREADS |
| 602 | delete wxPendingEventsLocker; |
| 603 | // If we don't do the following, we get an apparent memory leak. |
| 604 | ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker(); |
| 605 | #endif |
| 606 | |
| 607 | wxClassInfo::CleanUpClasses(); |
| 608 | |
| 609 | delete wxTheApp; |
| 610 | wxTheApp = NULL; |
| 611 | |
| 612 | #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT |
| 613 | // At this point we want to check if there are any memory |
| 614 | // blocks that aren't part of the wxDebugContext itself, |
| 615 | // as a special case. Then when dumping we need to ignore |
| 616 | // wxDebugContext, too. |
| 617 | if (wxDebugContext::CountObjectsLeft(TRUE) > 0) |
| 618 | { |
| 619 | wxLogMessage(wxT("There were memory leaks.")); |
| 620 | wxDebugContext::Dump(); |
| 621 | wxDebugContext::PrintStatistics(); |
| 622 | } |
| 623 | // wxDebugContext::SetStream(NULL, NULL); |
| 624 | #endif |
| 625 | |
| 626 | #if wxUSE_LOG |
| 627 | // do it as the very last thing because everything else can log messages |
| 628 | delete wxLog::SetActiveTarget(NULL); |
| 629 | #endif // wxUSE_LOG |
| 630 | } |
| 631 | |
| 632 | //---------------------------------------------------------------------- |
| 633 | // Entry point helpers, used by wxPython |
| 634 | //---------------------------------------------------------------------- |
| 635 | |
| 636 | int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) ) |
| 637 | { |
| 638 | return wxApp::Initialize(); |
| 639 | } |
| 640 | |
| 641 | int WXDLLEXPORT wxEntryInitGui() |
| 642 | { |
| 643 | wxTheApp->OnInitGui(); |
| 644 | return 0; |
| 645 | } |
| 646 | |
| 647 | void WXDLLEXPORT wxEntryCleanup() |
| 648 | { |
| 649 | wxApp::CleanUp(); |
| 650 | } |
| 651 | |
| 652 | |
| 653 | #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) |
| 654 | |
| 655 | // temporarily disable this warning which would be generated in release builds |
| 656 | // because of __try |
| 657 | #ifdef __VISUALC__ |
| 658 | #pragma warning(disable: 4715) // not all control paths return a value |
| 659 | #endif // Visual C++ |
| 660 | |
| 661 | //---------------------------------------------------------------------- |
| 662 | // Main wxWindows entry point |
| 663 | //---------------------------------------------------------------------- |
| 664 | int wxEntry(WXHINSTANCE hInstance, |
| 665 | WXHINSTANCE WXUNUSED(hPrevInstance), |
| 666 | char *lpCmdLine, |
| 667 | int nCmdShow, |
| 668 | bool enterLoop) |
| 669 | { |
| 670 | // do check for memory leaks on program exit |
| 671 | // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free |
| 672 | // deallocated memory which may be used to simulate low-memory condition) |
| 673 | wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); |
| 674 | #ifdef __MWERKS__ |
| 675 | #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT |
| 676 | // This seems to be necessary since there are 'rogue' |
| 677 | // objects present at this point (perhaps global objects?) |
| 678 | // Setting a checkpoint will ignore them as far as the |
| 679 | // memory checking facility is concerned. |
| 680 | // Of course you may argue that memory allocated in globals should be |
| 681 | // checked, but this is a reasonable compromise. |
| 682 | wxDebugContext::SetCheckpoint(); |
| 683 | #endif |
| 684 | #endif |
| 685 | |
| 686 | // take everything into a try-except block to be able to call |
| 687 | // OnFatalException() if necessary |
| 688 | #if wxUSE_ON_FATAL_EXCEPTION |
| 689 | __try { |
| 690 | #endif |
| 691 | wxhInstance = (HINSTANCE) hInstance; |
| 692 | |
| 693 | if (!wxEntryStart(0,0)) |
| 694 | return 0; |
| 695 | |
| 696 | // create the application object or ensure that one already exists |
| 697 | if (!wxTheApp) |
| 698 | { |
| 699 | // The app may have declared a global application object, but we recommend |
| 700 | // the IMPLEMENT_APP macro is used instead, which sets an initializer |
| 701 | // function for delayed, dynamic app object construction. |
| 702 | wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, |
| 703 | wxT("No initializer - use IMPLEMENT_APP macro.") ); |
| 704 | |
| 705 | wxTheApp = (*wxApp::GetInitializerFunction()) (); |
| 706 | } |
| 707 | |
| 708 | wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") ); |
| 709 | |
| 710 | // save the WinMain() parameters |
| 711 | wxTheApp->ConvertToStandardCommandArgs(lpCmdLine); |
| 712 | wxTheApp->m_nCmdShow = nCmdShow; |
| 713 | |
| 714 | // GUI-specific initialisation. In fact on Windows we don't have any, |
| 715 | // but this call is provided for compatibility across platforms. |
| 716 | wxEntryInitGui(); |
| 717 | |
| 718 | // We really don't want timestamps by default, because it means |
| 719 | // we can't simply double-click on the error message and get to that |
| 720 | // line in the source. So VC++ at least, let's have a sensible default. |
| 721 | #ifdef __VISUALC__ |
| 722 | wxLog::SetTimestamp(NULL); |
| 723 | #endif |
| 724 | |
| 725 | int retValue = 0; |
| 726 | |
| 727 | // it is common to create a modal dialog in OnInit() (to ask/notify the |
| 728 | // user about something) but it wouldn't work if we don't change the |
| 729 | // "exit on delete last frame" flag here as when this dialog is |
| 730 | // deleted, the app would terminate (it was the last top level window |
| 731 | // as the main frame wasn't created yet!), so disable this behaviour |
| 732 | // temproarily |
| 733 | bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete(); |
| 734 | wxTheApp->SetExitOnFrameDelete(FALSE); |
| 735 | |
| 736 | // init the app |
| 737 | retValue = wxTheApp->OnInit() ? 0 : -1; |
| 738 | |
| 739 | // restore the old flag value |
| 740 | wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete); |
| 741 | |
| 742 | if ( retValue == 0 ) |
| 743 | { |
| 744 | if ( enterLoop ) |
| 745 | { |
| 746 | // run the main loop |
| 747 | retValue = wxTheApp->OnRun(); |
| 748 | } |
| 749 | else |
| 750 | { |
| 751 | // we want to initialize, but not run or exit immediately. |
| 752 | return 1; |
| 753 | } |
| 754 | } |
| 755 | //else: app initialization failed, so we skipped OnRun() |
| 756 | |
| 757 | wxWindow *topWindow = wxTheApp->GetTopWindow(); |
| 758 | if ( topWindow ) |
| 759 | { |
| 760 | // Forcibly delete the window. |
| 761 | if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) || |
| 762 | topWindow->IsKindOf(CLASSINFO(wxDialog)) ) |
| 763 | { |
| 764 | topWindow->Close(TRUE); |
| 765 | wxTheApp->DeletePendingObjects(); |
| 766 | } |
| 767 | else |
| 768 | { |
| 769 | delete topWindow; |
| 770 | wxTheApp->SetTopWindow(NULL); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | wxTheApp->OnExit(); |
| 775 | |
| 776 | wxEntryCleanup(); |
| 777 | |
| 778 | return retValue; |
| 779 | |
| 780 | #if wxUSE_ON_FATAL_EXCEPTION |
| 781 | } |
| 782 | __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER |
| 783 | : EXCEPTION_CONTINUE_SEARCH ) { |
| 784 | if ( wxTheApp ) |
| 785 | { |
| 786 | // give the user a chance to do something special about this |
| 787 | wxTheApp->OnFatalException(); |
| 788 | } |
| 789 | |
| 790 | ::ExitProcess(3); // the same exit code as abort() |
| 791 | |
| 792 | // NOTREACHED |
| 793 | } |
| 794 | #endif // wxUSE_ON_FATAL_EXCEPTION |
| 795 | } |
| 796 | |
| 797 | // restore warning state |
| 798 | #ifdef __VISUALC__ |
| 799 | #pragma warning(default: 4715) // not all control paths return a value |
| 800 | #endif // Visual C++ |
| 801 | |
| 802 | #else /* _WINDLL */ |
| 803 | |
| 804 | //---------------------------------------------------------------------- |
| 805 | // Entry point for wxWindows + the App in a DLL |
| 806 | //---------------------------------------------------------------------- |
| 807 | |
| 808 | int wxEntry(WXHINSTANCE hInstance) |
| 809 | { |
| 810 | wxhInstance = (HINSTANCE) hInstance; |
| 811 | wxEntryStart(0, 0); |
| 812 | |
| 813 | // The app may have declared a global application object, but we recommend |
| 814 | // the IMPLEMENT_APP macro is used instead, which sets an initializer function |
| 815 | // for delayed, dynamic app object construction. |
| 816 | if (!wxTheApp) |
| 817 | { |
| 818 | wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, |
| 819 | "No initializer - use IMPLEMENT_APP macro." ); |
| 820 | |
| 821 | wxTheApp = (* wxApp::GetInitializerFunction()) (); |
| 822 | } |
| 823 | |
| 824 | wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" ); |
| 825 | |
| 826 | wxTheApp->argc = 0; |
| 827 | wxTheApp->argv = NULL; |
| 828 | |
| 829 | wxEntryInitGui(); |
| 830 | |
| 831 | wxTheApp->OnInit(); |
| 832 | |
| 833 | wxWindow *topWindow = wxTheApp->GetTopWindow(); |
| 834 | if ( topWindow && topWindow->GetHWND()) |
| 835 | { |
| 836 | topWindow->Show(TRUE); |
| 837 | } |
| 838 | |
| 839 | return 1; |
| 840 | } |
| 841 | #endif // _WINDLL |
| 842 | |
| 843 | //// Static member initialization |
| 844 | |
| 845 | wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; |
| 846 | |
| 847 | wxApp::wxApp() |
| 848 | { |
| 849 | m_topWindow = NULL; |
| 850 | wxTheApp = this; |
| 851 | m_wantDebugOutput = TRUE; |
| 852 | |
| 853 | argc = 0; |
| 854 | argv = NULL; |
| 855 | m_printMode = wxPRINT_WINDOWS; |
| 856 | m_exitOnFrameDelete = TRUE; |
| 857 | m_auto3D = TRUE; |
| 858 | } |
| 859 | |
| 860 | wxApp::~wxApp() |
| 861 | { |
| 862 | // Delete command-line args |
| 863 | int i; |
| 864 | for (i = 0; i < argc; i++) |
| 865 | { |
| 866 | delete[] argv[i]; |
| 867 | } |
| 868 | delete[] argv; |
| 869 | } |
| 870 | |
| 871 | bool wxApp::Initialized() |
| 872 | { |
| 873 | #ifndef _WINDLL |
| 874 | if (GetTopWindow()) |
| 875 | return TRUE; |
| 876 | else |
| 877 | return FALSE; |
| 878 | #else // Assume initialized if DLL (no way of telling) |
| 879 | return TRUE; |
| 880 | #endif |
| 881 | } |
| 882 | |
| 883 | /* |
| 884 | * Get and process a message, returning FALSE if WM_QUIT |
| 885 | * received (and also set the flag telling the app to exit the main loop) |
| 886 | * |
| 887 | */ |
| 888 | bool wxApp::DoMessage() |
| 889 | { |
| 890 | BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0); |
| 891 | if ( rc == 0 ) |
| 892 | { |
| 893 | // got WM_QUIT |
| 894 | m_keepGoing = FALSE; |
| 895 | |
| 896 | return FALSE; |
| 897 | } |
| 898 | else if ( rc == -1 ) |
| 899 | { |
| 900 | // should never happen, but let's test for it nevertheless |
| 901 | wxLogLastError(wxT("GetMessage")); |
| 902 | } |
| 903 | else |
| 904 | { |
| 905 | #if wxUSE_THREADS |
| 906 | wxASSERT_MSG( wxThread::IsMain(), |
| 907 | wxT("only the main thread can process Windows messages") ); |
| 908 | |
| 909 | static bool s_hadGuiLock = TRUE; |
| 910 | static wxMsgArray s_aSavedMessages; |
| 911 | |
| 912 | // if a secondary thread owns is doing GUI calls, save all messages for |
| 913 | // later processing - we can't process them right now because it will |
| 914 | // lead to recursive library calls (and we're not reentrant) |
| 915 | if ( !wxGuiOwnedByMainThread() ) |
| 916 | { |
| 917 | s_hadGuiLock = FALSE; |
| 918 | |
| 919 | // leave out WM_COMMAND messages: too dangerous, sometimes |
| 920 | // the message will be processed twice |
| 921 | if ( !wxIsWaitingForThread() || |
| 922 | s_currentMsg.message != WM_COMMAND ) |
| 923 | { |
| 924 | s_aSavedMessages.Add(s_currentMsg); |
| 925 | } |
| 926 | |
| 927 | return TRUE; |
| 928 | } |
| 929 | else |
| 930 | { |
| 931 | // have we just regained the GUI lock? if so, post all of the saved |
| 932 | // messages |
| 933 | // |
| 934 | // FIXME of course, it's not _exactly_ the same as processing the |
| 935 | // messages normally - expect some things to break... |
| 936 | if ( !s_hadGuiLock ) |
| 937 | { |
| 938 | s_hadGuiLock = TRUE; |
| 939 | |
| 940 | size_t count = s_aSavedMessages.Count(); |
| 941 | for ( size_t n = 0; n < count; n++ ) |
| 942 | { |
| 943 | MSG& msg = s_aSavedMessages[n]; |
| 944 | |
| 945 | if ( !ProcessMessage((WXMSG *)&msg) ) |
| 946 | { |
| 947 | ::TranslateMessage(&msg); |
| 948 | ::DispatchMessage(&msg); |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | s_aSavedMessages.Empty(); |
| 953 | } |
| 954 | } |
| 955 | #endif // wxUSE_THREADS |
| 956 | |
| 957 | // Process the message |
| 958 | if ( !ProcessMessage((WXMSG *)&s_currentMsg) ) |
| 959 | { |
| 960 | ::TranslateMessage(&s_currentMsg); |
| 961 | ::DispatchMessage(&s_currentMsg); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | return TRUE; |
| 966 | } |
| 967 | |
| 968 | /* |
| 969 | * Keep trying to process messages until WM_QUIT |
| 970 | * received. |
| 971 | * |
| 972 | * If there are messages to be processed, they will all be |
| 973 | * processed and OnIdle will not be called. |
| 974 | * When there are no more messages, OnIdle is called. |
| 975 | * If OnIdle requests more time, |
| 976 | * it will be repeatedly called so long as there are no pending messages. |
| 977 | * A 'feature' of this is that once OnIdle has decided that no more processing |
| 978 | * is required, then it won't get processing time until further messages |
| 979 | * are processed (it'll sit in DoMessage). |
| 980 | */ |
| 981 | |
| 982 | int wxApp::MainLoop() |
| 983 | { |
| 984 | m_keepGoing = TRUE; |
| 985 | |
| 986 | while ( m_keepGoing ) |
| 987 | { |
| 988 | #if wxUSE_THREADS |
| 989 | wxMutexGuiLeaveOrEnter(); |
| 990 | #endif // wxUSE_THREADS |
| 991 | |
| 992 | while ( !Pending() && ProcessIdle() ) |
| 993 | ; |
| 994 | |
| 995 | // a message came or no more idle processing to do |
| 996 | DoMessage(); |
| 997 | } |
| 998 | |
| 999 | return s_currentMsg.wParam; |
| 1000 | } |
| 1001 | |
| 1002 | // Returns TRUE if more time is needed. |
| 1003 | bool wxApp::ProcessIdle() |
| 1004 | { |
| 1005 | wxIdleEvent event; |
| 1006 | event.SetEventObject(this); |
| 1007 | ProcessEvent(event); |
| 1008 | |
| 1009 | return event.MoreRequested(); |
| 1010 | } |
| 1011 | |
| 1012 | void wxApp::ExitMainLoop() |
| 1013 | { |
| 1014 | // VZ: why not ::PostQuitMessage()? |
| 1015 | m_keepGoing = FALSE; |
| 1016 | } |
| 1017 | |
| 1018 | bool wxApp::Pending() |
| 1019 | { |
| 1020 | return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0; |
| 1021 | } |
| 1022 | |
| 1023 | void wxApp::Dispatch() |
| 1024 | { |
| 1025 | DoMessage(); |
| 1026 | } |
| 1027 | |
| 1028 | /* |
| 1029 | * Give all windows a chance to preprocess |
| 1030 | * the message. Some may have accelerator tables, or have |
| 1031 | * MDI complications. |
| 1032 | */ |
| 1033 | |
| 1034 | bool wxApp::ProcessMessage(WXMSG *wxmsg) |
| 1035 | { |
| 1036 | MSG *msg = (MSG *)wxmsg; |
| 1037 | HWND hWnd = msg->hwnd; |
| 1038 | wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd); |
| 1039 | |
| 1040 | #if wxUSE_TOOLTIPS |
| 1041 | // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to |
| 1042 | // popup the tooltip bubbles |
| 1043 | if ( wndThis && (msg->message == WM_MOUSEMOVE) ) |
| 1044 | { |
| 1045 | wxToolTip *tt = wndThis->GetToolTip(); |
| 1046 | if ( tt ) |
| 1047 | { |
| 1048 | tt->RelayEvent(wxmsg); |
| 1049 | } |
| 1050 | } |
| 1051 | #endif // wxUSE_TOOLTIPS |
| 1052 | |
| 1053 | // Try translations first; find the youngest window with |
| 1054 | // a translation table. |
| 1055 | wxWindow *wnd; |
| 1056 | |
| 1057 | for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) |
| 1058 | { |
| 1059 | if ( wnd->MSWTranslateMessage(wxmsg) ) |
| 1060 | return TRUE; |
| 1061 | } |
| 1062 | |
| 1063 | // Anyone for a non-translation message? Try youngest descendants first. |
| 1064 | for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) |
| 1065 | { |
| 1066 | if ( wnd->MSWProcessMessage(wxmsg) ) |
| 1067 | return TRUE; |
| 1068 | } |
| 1069 | |
| 1070 | return FALSE; |
| 1071 | } |
| 1072 | |
| 1073 | void wxApp::OnIdle(wxIdleEvent& event) |
| 1074 | { |
| 1075 | static bool s_inOnIdle = FALSE; |
| 1076 | |
| 1077 | // Avoid recursion (via ProcessEvent default case) |
| 1078 | if ( s_inOnIdle ) |
| 1079 | return; |
| 1080 | |
| 1081 | s_inOnIdle = TRUE; |
| 1082 | |
| 1083 | // If there are pending events, we must process them: pending events |
| 1084 | // are either events to the threads other than main or events posted |
| 1085 | // with wxPostEvent() functions |
| 1086 | // GRG: I have moved this here so that all pending events are processed |
| 1087 | // before starting to delete any objects. This behaves better (in |
| 1088 | // particular, wrt wxPostEvent) and is coherent with wxGTK's current |
| 1089 | // behaviour. Changed Feb/2000 before 2.1.14 |
| 1090 | ProcessPendingEvents(); |
| 1091 | |
| 1092 | // 'Garbage' collection of windows deleted with Close(). |
| 1093 | DeletePendingObjects(); |
| 1094 | |
| 1095 | #if wxUSE_LOG |
| 1096 | // flush the logged messages if any |
| 1097 | wxLog::FlushActive(); |
| 1098 | #endif // wxUSE_LOG |
| 1099 | |
| 1100 | // Send OnIdle events to all windows |
| 1101 | if ( SendIdleEvents() ) |
| 1102 | { |
| 1103 | // SendIdleEvents() returns TRUE if at least one window requested more |
| 1104 | // idle events |
| 1105 | event.RequestMore(TRUE); |
| 1106 | } |
| 1107 | |
| 1108 | s_inOnIdle = FALSE; |
| 1109 | } |
| 1110 | |
| 1111 | // Send idle event to all top-level windows |
| 1112 | bool wxApp::SendIdleEvents() |
| 1113 | { |
| 1114 | bool needMore = FALSE; |
| 1115 | |
| 1116 | wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); |
| 1117 | while (node) |
| 1118 | { |
| 1119 | wxWindow* win = node->GetData(); |
| 1120 | if (SendIdleEvents(win)) |
| 1121 | needMore = TRUE; |
| 1122 | node = node->GetNext(); |
| 1123 | } |
| 1124 | |
| 1125 | return needMore; |
| 1126 | } |
| 1127 | |
| 1128 | // Send idle event to window and all subwindows |
| 1129 | bool wxApp::SendIdleEvents(wxWindow* win) |
| 1130 | { |
| 1131 | bool needMore = FALSE; |
| 1132 | |
| 1133 | wxIdleEvent event; |
| 1134 | event.SetEventObject(win); |
| 1135 | win->GetEventHandler()->ProcessEvent(event); |
| 1136 | |
| 1137 | if (event.MoreRequested()) |
| 1138 | needMore = TRUE; |
| 1139 | |
| 1140 | wxNode* node = win->GetChildren().First(); |
| 1141 | while (node) |
| 1142 | { |
| 1143 | wxWindow* win = (wxWindow*) node->Data(); |
| 1144 | if (SendIdleEvents(win)) |
| 1145 | needMore = TRUE; |
| 1146 | |
| 1147 | node = node->Next(); |
| 1148 | } |
| 1149 | return needMore; |
| 1150 | } |
| 1151 | |
| 1152 | void wxApp::DeletePendingObjects() |
| 1153 | { |
| 1154 | wxNode *node = wxPendingDelete.First(); |
| 1155 | while (node) |
| 1156 | { |
| 1157 | wxObject *obj = (wxObject *)node->Data(); |
| 1158 | |
| 1159 | delete obj; |
| 1160 | |
| 1161 | if (wxPendingDelete.Member(obj)) |
| 1162 | delete node; |
| 1163 | |
| 1164 | // Deleting one object may have deleted other pending |
| 1165 | // objects, so start from beginning of list again. |
| 1166 | node = wxPendingDelete.First(); |
| 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) |
| 1171 | { |
| 1172 | if (GetTopWindow()) |
| 1173 | GetTopWindow()->Close(TRUE); |
| 1174 | } |
| 1175 | |
| 1176 | // Default behaviour: close the application with prompts. The |
| 1177 | // user can veto the close, and therefore the end session. |
| 1178 | void wxApp::OnQueryEndSession(wxCloseEvent& event) |
| 1179 | { |
| 1180 | if (GetTopWindow()) |
| 1181 | { |
| 1182 | if (!GetTopWindow()->Close(!event.CanVeto())) |
| 1183 | event.Veto(TRUE); |
| 1184 | } |
| 1185 | } |
| 1186 | |
| 1187 | /* static */ |
| 1188 | int wxApp::GetComCtl32Version() |
| 1189 | { |
| 1190 | // cache the result |
| 1191 | static int s_verComCtl32 = -1; |
| 1192 | |
| 1193 | wxCRIT_SECT_DECLARE(csComCtl32); |
| 1194 | wxCRIT_SECT_LOCKER(lock, csComCtl32); |
| 1195 | |
| 1196 | if ( s_verComCtl32 == -1 ) |
| 1197 | { |
| 1198 | // initally assume no comctl32.dll at all |
| 1199 | s_verComCtl32 = 0; |
| 1200 | |
| 1201 | // do we have it? |
| 1202 | HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32")); |
| 1203 | |
| 1204 | // if so, then we can check for the version |
| 1205 | if ( hModuleComCtl32 ) |
| 1206 | { |
| 1207 | // try to use DllGetVersion() if available in _headers_ |
| 1208 | #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h |
| 1209 | DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC) |
| 1210 | ::GetProcAddress(hModuleComCtl32, "DllGetVersion"); |
| 1211 | if ( pfnDllGetVersion ) |
| 1212 | { |
| 1213 | DLLVERSIONINFO dvi; |
| 1214 | dvi.cbSize = sizeof(dvi); |
| 1215 | |
| 1216 | HRESULT hr = (*pfnDllGetVersion)(&dvi); |
| 1217 | if ( FAILED(hr) ) |
| 1218 | { |
| 1219 | wxLogApiError(_T("DllGetVersion"), hr); |
| 1220 | } |
| 1221 | else |
| 1222 | { |
| 1223 | // this is incompatible with _WIN32_IE values, but |
| 1224 | // compatible with the other values returned by |
| 1225 | // GetComCtl32Version() |
| 1226 | s_verComCtl32 = 100*dvi.dwMajorVersion + |
| 1227 | dvi.dwMinorVersion; |
| 1228 | } |
| 1229 | } |
| 1230 | #endif |
| 1231 | // DllGetVersion() unavailable either during compile or |
| 1232 | // run-time, try to guess the version otherwise |
| 1233 | if ( !s_verComCtl32 ) |
| 1234 | { |
| 1235 | // InitCommonControlsEx is unique to 4.70 and later |
| 1236 | FARPROC theProc = ::GetProcAddress |
| 1237 | ( |
| 1238 | hModuleComCtl32, |
| 1239 | "InitCommonControlsEx" |
| 1240 | ); |
| 1241 | |
| 1242 | if ( !theProc ) |
| 1243 | { |
| 1244 | // not found, must be 4.00 |
| 1245 | s_verComCtl32 = 400; |
| 1246 | } |
| 1247 | else |
| 1248 | { |
| 1249 | // many symbols appeared in comctl32 4.71, could use |
| 1250 | // any of them except may be DllInstall |
| 1251 | theProc = ::GetProcAddress |
| 1252 | ( |
| 1253 | hModuleComCtl32, |
| 1254 | "InitializeFlatSB" |
| 1255 | ); |
| 1256 | if ( !theProc ) |
| 1257 | { |
| 1258 | // not found, must be 4.70 |
| 1259 | s_verComCtl32 = 470; |
| 1260 | } |
| 1261 | else |
| 1262 | { |
| 1263 | // found, must be 4.71 |
| 1264 | s_verComCtl32 = 471; |
| 1265 | } |
| 1266 | } |
| 1267 | } |
| 1268 | } |
| 1269 | } |
| 1270 | |
| 1271 | return s_verComCtl32; |
| 1272 | } |
| 1273 | |
| 1274 | void wxExit() |
| 1275 | { |
| 1276 | wxLogError(_("Fatal error: exiting")); |
| 1277 | |
| 1278 | wxApp::CleanUp(); |
| 1279 | exit(0); |
| 1280 | } |
| 1281 | |
| 1282 | // Yield to incoming messages |
| 1283 | |
| 1284 | static bool gs_inYield = FALSE; |
| 1285 | |
| 1286 | bool wxYield() |
| 1287 | { |
| 1288 | // disable log flushing from here because a call to wxYield() shouldn't |
| 1289 | // normally result in message boxes popping up &c |
| 1290 | wxLog::Suspend(); |
| 1291 | |
| 1292 | #ifdef __WXDEBUG__ |
| 1293 | if (gs_inYield) |
| 1294 | wxFAIL_MSG( wxT("wxYield called recursively" ) ); |
| 1295 | #endif |
| 1296 | |
| 1297 | gs_inYield = TRUE; |
| 1298 | |
| 1299 | // we don't want to process WM_QUIT from here - it should be processed in |
| 1300 | // the main event loop in order to stop it |
| 1301 | MSG msg; |
| 1302 | while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) && |
| 1303 | msg.message != WM_QUIT ) |
| 1304 | { |
| 1305 | #if wxUSE_THREADS |
| 1306 | wxMutexGuiLeaveOrEnter(); |
| 1307 | #endif // wxUSE_THREADS |
| 1308 | |
| 1309 | if ( !wxTheApp->DoMessage() ) |
| 1310 | break; |
| 1311 | } |
| 1312 | |
| 1313 | // If they are pending events, we must process them. |
| 1314 | if (wxTheApp) |
| 1315 | wxTheApp->ProcessPendingEvents(); |
| 1316 | |
| 1317 | // let the logs be flashed again |
| 1318 | wxLog::Resume(); |
| 1319 | |
| 1320 | gs_inYield = FALSE; |
| 1321 | |
| 1322 | return TRUE; |
| 1323 | } |
| 1324 | |
| 1325 | // Yield to incoming messages; but fail silently if recursion is detected. |
| 1326 | bool wxYieldIfNeeded() |
| 1327 | { |
| 1328 | if (gs_inYield) |
| 1329 | return FALSE; |
| 1330 | |
| 1331 | return wxYield(); |
| 1332 | } |
| 1333 | |
| 1334 | bool wxHandleFatalExceptions(bool doit) |
| 1335 | { |
| 1336 | #if wxUSE_ON_FATAL_EXCEPTION |
| 1337 | // assume this can only be called from the main thread |
| 1338 | gs_handleExceptions = doit; |
| 1339 | |
| 1340 | return TRUE; |
| 1341 | #else |
| 1342 | wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function")); |
| 1343 | |
| 1344 | return FALSE; |
| 1345 | #endif |
| 1346 | } |
| 1347 | |
| 1348 | //----------------------------------------------------------------------------- |
| 1349 | // wxWakeUpIdle |
| 1350 | //----------------------------------------------------------------------------- |
| 1351 | |
| 1352 | void wxWakeUpIdle() |
| 1353 | { |
| 1354 | // Send the top window a dummy message so idle handler processing will |
| 1355 | // start up again. Doing it this way ensures that the idle handler |
| 1356 | // wakes up in the right thread (see also wxWakeUpMainThread() which does |
| 1357 | // the same for the main app thread only) |
| 1358 | wxWindow *topWindow = wxTheApp->GetTopWindow(); |
| 1359 | if ( topWindow ) |
| 1360 | { |
| 1361 | if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) ) |
| 1362 | { |
| 1363 | // should never happen |
| 1364 | wxLogLastError(wxT("PostMessage(WM_NULL)")); |
| 1365 | } |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | //----------------------------------------------------------------------------- |
| 1370 | |
| 1371 | wxIcon |
| 1372 | wxApp::GetStdIcon(int which) const |
| 1373 | { |
| 1374 | switch(which) |
| 1375 | { |
| 1376 | case wxICON_INFORMATION: |
| 1377 | return wxIcon("wxICON_INFO"); |
| 1378 | |
| 1379 | case wxICON_QUESTION: |
| 1380 | return wxIcon("wxICON_QUESTION"); |
| 1381 | |
| 1382 | case wxICON_EXCLAMATION: |
| 1383 | return wxIcon("wxICON_WARNING"); |
| 1384 | |
| 1385 | default: |
| 1386 | wxFAIL_MSG(wxT("requested non existent standard icon")); |
| 1387 | // still fall through |
| 1388 | |
| 1389 | case wxICON_HAND: |
| 1390 | return wxIcon("wxICON_ERROR"); |
| 1391 | } |
| 1392 | } |
| 1393 | |
| 1394 | // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly |
| 1395 | // if in a separate file. So include it here to ensure it's linked. |
| 1396 | #if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL)) |
| 1397 | #include "main.cpp" |
| 1398 | #endif |