src/msw/app.cpp

   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 #ifdef __GNUG__
  13   #pragma implementation "app.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #if defined(__BORLANDC__)
  20   #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/frame.h"
  25   #include "wx/app.h"
  26   #include "wx/utils.h"
  27   #include "wx/gdicmn.h"
  28   #include "wx/pen.h"
  29   #include "wx/brush.h"
  30   #include "wx/cursor.h"
  31   #include "wx/icon.h"
  32   #include "wx/palette.h"
  33   #include "wx/dc.h"
  34   #include "wx/dialog.h"
  35   #include "wx/msgdlg.h"
  36 #endif
  37
  38 #include "wx/msw/private.h"
  39 #include "wx/log.h"
  40 #include "wx/module.h"
  41
  42 #if wxUSE_WX_RESOURCES
  43   #include "wx/resource.h"
  44 #endif
  45
  46 #include <string.h>
  47 #include <ctype.h>
  48
  49 #if defined(__WIN95__) && !defined(__GNUWIN32__)
  50   #include <commctrl.h>
  51 #endif
  52
  53 // use debug CRT functions for memory leak detections in VC++
  54 /* This still doesn't work for me, Vadim.
  55 #if defined(__WXDEBUG__) && defined(_MSC_VER)
  56   // VC++ uses this macro as debug/release mode indicator
  57   #ifndef _DEBUG
  58     #define _DEBUG
  59   #endif
  60
  61   #include <crtdbg.h>
  62 #endif
  63 */
  64
  65 extern char *wxBuffer;
  66 extern char *wxOsVersion;
  67 extern wxList *wxWinHandleList;
  68 extern wxList wxPendingDelete;
  69 extern void wxSetKeyboardHook(bool doIt);
  70 extern wxCursor *g_globalCursor;
  71
  72 HINSTANCE wxhInstance = 0;
  73 static MSG s_currentMsg;
  74 wxApp *wxTheApp = NULL;
  75
  76 // @@ why not const? and not static?
  77 char wxFrameClassName[]         = "wxFrameClass";
  78 char wxMDIFrameClassName[]      = "wxMDIFrameClass";
  79 char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
  80 char wxPanelClassName[]         = "wxPanelClass";
  81 char wxCanvasClassName[]        = "wxCanvasClass";
  82
  83 HICON wxSTD_FRAME_ICON = NULL;
  84 HICON wxSTD_MDICHILDFRAME_ICON = NULL;
  85 HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
  86
  87 HICON wxDEFAULT_FRAME_ICON = NULL;
  88 HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
  89 HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
  90
  91 HBRUSH wxDisableButtonBrush = 0;
  92
  93 LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
  94
  95 #if !USE_SHARED_LIBRARY
  96   IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
  97
  98   BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
  99       EVT_IDLE(wxApp::OnIdle)
 100       EVT_END_SESSION(wxApp::OnEndSession)
 101       EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 102   END_EVENT_TABLE()
 103 #endif
 104
 105 long wxApp::sm_lastMessageTime = 0;
 106
 107 #ifdef __WIN95__
 108   static HINSTANCE gs_hRichEdit = NULL;
 109 #endif
 110
 111 //// Initialize
 112
 113 bool wxApp::Initialize()
 114 {
 115   wxBuffer = new char[1500];
 116
 117 /*
 118   #if defined(__WXDEBUG__) && defined(_MSC_VER)
 119     // do check for memory leaks on program exit
 120     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
 121     //  deallocated memory which may be used to simulate low-memory condition)
 122     _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
 123   #endif // debug build under MS VC++
 124 */
 125
 126   #if (WXDEBUG && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 127     #if defined(_WINDLL)
 128       streambuf* sBuf = NULL;
 129     #else  // EXE
 130       streambuf* sBuf = new wxDebugStreamBuf;
 131     #endif // DLL
 132
 133     ostream* oStr = new ostream(sBuf) ;
 134     wxDebugContext::SetStream(oStr, sBuf);
 135   #endif  // wxUSE_MEMORY_TRACING
 136
 137   wxClassInfo::InitializeClasses();
 138
 139   #if wxUSE_RESOURCES
 140     wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
 141   #endif
 142
 143   wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 144   wxTheColourDatabase->Initialize();
 145
 146   wxInitializeStockLists();
 147   wxInitializeStockObjects();
 148
 149   #if wxUSE_WX_RESOURCES
 150     wxInitializeResourceSystem();
 151   #endif
 152
 153   wxBitmap::InitStandardHandlers();
 154
 155   #if defined(__WIN95__)
 156     InitCommonControls();
 157     gs_hRichEdit = LoadLibrary("RICHED32.DLL");
 158
 159     if (gs_hRichEdit == NULL)
 160     {
 161       wxMessageBox("Could not initialise Rich Edit DLL");
 162     }
 163   #endif
 164
 165   #if  defined(WX_DRAG_DROP)
 166     // we need to initialize OLE library
 167     if ( FAILED(::OleInitialize(NULL)) )
 168       wxFatalError(_("Cannot initialize OLE"));
 169   #endif
 170
 171   #if CTL3D
 172     if (!Ctl3dRegister(wxhInstance))
 173       wxFatalError("Cannot register CTL3D");
 174
 175     Ctl3dAutoSubclass(wxhInstance);
 176   #endif
 177
 178   g_globalCursor = new wxCursor;
 179
 180   wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME");
 181   wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME");
 182   wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME");
 183
 184   wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME");
 185   wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME");
 186   wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME");
 187
 188   RegisterWindowClasses();
 189
 190   // Create the brush for disabling bitmap buttons
 191
 192   LOGBRUSH lb ;
 193   lb.lbStyle = BS_PATTERN;
 194   lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
 195   wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
 196   ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
 197
 198   #if wxUSE_PENWINDOWS
 199     wxRegisterPenWin();
 200   #endif
 201
 202   wxWinHandleList = new wxList(wxKEY_INTEGER);
 203
 204   // This is to foil optimizations in Visual C++ that
 205   // throw out dummy.obj.
 206   #if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
 207     extern char wxDummyChar;
 208     if (wxDummyChar) wxDummyChar++;
 209   #endif
 210
 211   wxSetKeyboardHook(TRUE);
 212
 213   wxModule::RegisterModules();
 214   if (!wxModule::InitializeModules())
 215     return FALSE;
 216   return TRUE;
 217 }
 218
 219 //// RegisterWindowClasses
 220
 221 bool wxApp::RegisterWindowClasses()
 222 {
 223 ///////////////////////////////////////////////////////////////////////
 224 // Register the frame window class.
 225   WNDCLASS wndclass;   // Structure used to register Windows class.
 226
 227   wndclass.style         = CS_HREDRAW | CS_VREDRAW;
 228   wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 229   wndclass.cbClsExtra    = 0;
 230   wndclass.cbWndExtra    = sizeof( DWORD ); // was 4
 231   wndclass.hInstance     = wxhInstance;
 232   wndclass.hIcon         = NULL;        // wxSTD_FRAME_ICON;
 233   wndclass.hCursor       = LoadCursor( NULL, IDC_ARROW );
 234   wndclass.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 235 //  wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
 236   wndclass.lpszMenuName  = NULL;
 237 #ifdef _MULTIPLE_INSTANCES
 238   sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
 239 #endif
 240   wndclass.lpszClassName = wxFrameClassName;
 241
 242   if (!RegisterClass( &wndclass ))
 243   {
 244     // wxFatalError("Can't register Frame Window class");
 245   }
 246
 247 ///////////////////////////////////////////////////////////////////////
 248 // Register the MDI frame window class.
 249   WNDCLASS wndclass1;   // Structure used to register Windows class.
 250
 251   wndclass1.style         = CS_HREDRAW | CS_VREDRAW;
 252   wndclass1.lpfnWndProc   = (WNDPROC)wxWndProc;
 253   wndclass1.cbClsExtra    = 0;
 254   wndclass1.cbWndExtra    = sizeof( DWORD ); // was 4
 255   wndclass1.hInstance     = wxhInstance;
 256   wndclass1.hIcon         = NULL; // wxSTD_MDIPARENTFRAME_ICON;
 257   wndclass1.hCursor       = LoadCursor( NULL, IDC_ARROW );
 258 //  wndclass1.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 259   wndclass1.hbrBackground = NULL;
 260   wndclass1.lpszMenuName  = NULL;
 261
 262   wndclass1.lpszClassName = wxMDIFrameClassName;
 263   if (!RegisterClass( &wndclass1 ))
 264   {
 265 //    wxFatalError("Can't register MDI Frame window class");
 266 //  return FALSE;
 267   }
 268
 269 ///////////////////////////////////////////////////////////////////////
 270 // Register the MDI child frame window class.
 271   WNDCLASS wndclass4;   // Structure used to register Windows class.
 272
 273   wndclass4.style         = CS_HREDRAW | CS_VREDRAW;
 274   wndclass4.lpfnWndProc   = (WNDPROC)wxWndProc;
 275   wndclass4.cbClsExtra    = 0;
 276   wndclass4.cbWndExtra    = sizeof( DWORD ); // was 4
 277   wndclass4.hInstance     = wxhInstance;
 278   wndclass4.hIcon         = NULL;       // wxSTD_MDICHILDFRAME_ICON;
 279   wndclass4.hCursor       = LoadCursor( NULL, IDC_ARROW );
 280   // TODO: perhaps this should be NULL so that Windows doesn't
 281   // paint the background itself (would OnEraseBackground duplicate
 282   // this?)
 283   wndclass4.hbrBackground =  (HBRUSH)(COLOR_WINDOW+1) ;
 284 //  wndclass4.hbrBackground = NULL;
 285   wndclass4.lpszMenuName  = NULL;
 286   wndclass4.lpszClassName = wxMDIChildFrameClassName;
 287
 288   if (!RegisterClass( &wndclass4 ))
 289   {
 290 //   wxFatalError("Can't register MDI child frame window class");
 291 //   return FALSE;
 292   }
 293
 294 ///////////////////////////////////////////////////////////////////////
 295 // Register the panel window class.
 296   WNDCLASS wndclass2;   // Structure used to register Windows class.
 297   memset(&wndclass2, 0, sizeof(WNDCLASS));   // start with NULL defaults
 298   // Use CS_OWNDC to avoid messing about restoring the context
 299   // for every graphic operation.
 300   wndclass2.style         = CS_HREDRAW | CS_VREDRAW;
 301   wndclass2.lpfnWndProc   = (WNDPROC)wxWndProc;
 302   wndclass2.cbClsExtra    = 0;
 303   wndclass2.cbWndExtra    = sizeof( DWORD ); // was 4
 304   wndclass2.hInstance     = wxhInstance;
 305   wndclass2.hIcon         = NULL;
 306   wndclass2.hCursor       = NULL;
 307 //  wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
 308   wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
 309   wndclass2.lpszMenuName  = NULL;
 310   wndclass2.lpszClassName = wxPanelClassName;
 311   if (!RegisterClass( &wndclass2 ))
 312   {
 313 //   wxFatalError("Can't register Panel Window class");
 314 //   return FALSE;
 315   }
 316
 317 ///////////////////////////////////////////////////////////////////////
 318 // Register the canvas and textsubwindow class name
 319   WNDCLASS wndclass3;   // Structure used to register Windows class.
 320   memset(&wndclass3, 0, sizeof(WNDCLASS));   // start with NULL defaults
 321   // Use CS_OWNDC to avoid messing about restoring the context
 322   // for every graphic operation.
 323 //  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
 324   // wxWin 2.0
 325   wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
 326   wndclass3.lpfnWndProc   = (WNDPROC)wxWndProc;
 327   wndclass3.cbClsExtra    = 0;
 328   wndclass3.cbWndExtra    = sizeof( DWORD ); // was 4
 329   wndclass3.hInstance     = wxhInstance;
 330   wndclass3.hIcon         = NULL;
 331   wndclass3.hCursor       = NULL;
 332 //  wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
 333   wndclass3.hbrBackground = NULL;
 334   wndclass3.lpszMenuName  = NULL;
 335   wndclass3.lpszClassName = wxCanvasClassName;
 336   if (!RegisterClass( &wndclass3))
 337   {
 338 //   wxFatalError("Can't register Canvas class");
 339 //   return FALSE;
 340   }
 341
 342   return TRUE;
 343 }
 344
 345 //// Convert Windows to argc, argv style
 346
 347 // FIXME this code should be rewritten (use wxArrayString instead...)
 348 void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
 349 {
 350   // Split command line into tokens, as in usual main(argc, argv)
 351   int para,count = 0;
 352   char *buf = new char[strlen(lpCmdLine) + 1];
 353
 354         para=0;
 355   /* Model independent strcpy */
 356   unsigned int i;
 357   for (i = 0; i<strlen(lpCmdLine); i++)
 358   {
 359                 buf[i]=lpCmdLine[i];
 360                 if (isspace(lpCmdLine[i]))
 361                         para++;
 362   }
 363         buf[i]=0;
 364   char **command = new char*[para+2];
 365
 366   // Get application name
 367   char name[260]; // 260 is MAX_PATH value from windef.h
 368   ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
 369
 370   // Is it only 16-bit Borland that already copies the program name
 371   // to the first argv index?
 372 #if !defined(__GNUWIN32__)
 373 // #if ! (defined(__BORLANDC__) && !defined(__WIN32__))
 374   command[count++] = copystring(name);
 375 // #endif
 376 #endif
 377
 378   strcpy(name, wxFileNameFromPath(name));
 379   wxStripExtension(name);
 380   wxTheApp->SetAppName(name);
 381
 382   /* Break up string */
 383   // Treat strings enclosed in double-quotes as single arguments
 384   char* str = buf;
 385   while (*str)
 386   {
 387 /*
 388         if ( count == WXSIZEOF(command) )
 389     {
 390       wxFAIL_MSG("too many command line args.");
 391       break;
 392     }
 393 */
 394     while ( *str && isspace(*str) )  // skip whitespace
 395       str++;
 396
 397     if (*str == '"')
 398     {
 399       str++;
 400       command[count++] = str;
 401       while (*str && *str != '"')
 402         str++;
 403     }
 404     else if (*str)
 405     {
 406       command[count++] = str;
 407       while (*str && !isspace(*str))
 408         str++;
 409     }
 410     if (*str)
 411       *str++ = '\0';
 412   }
 413
 414   wxTheApp->argv = new char*[count + 1];
 415   wxTheApp->argv[count] = NULL; /* argv[] is NULL terminated list! */
 416   wxTheApp->argc = count;
 417
 418   for (i = 0; i < count; i++)
 419     wxTheApp->argv[i] = copystring(command[i]);
 420
 421 #if !defined(__GNUWIN32__)
 422 // use copystring than delete this pointer
 423         delete [] command[0];
 424 #endif
 425
 426   delete [] command;
 427   delete [] buf;
 428 }
 429
 430 //// Cleans up any wxWindows internal structures left lying around
 431
 432 void wxApp::CleanUp()
 433 {
 434   //// COMMON CLEANUP
 435   wxModule::CleanUpModules();
 436
 437 #if wxUSE_WX_RESOURCES
 438   wxCleanUpResourceSystem();
 439
 440 //  wxDefaultResourceTable->ClearTable();
 441 #endif
 442
 443   // Indicate that the cursor can be freed,
 444   // so that cursor won't be deleted by deleting
 445   // the bitmap list before g_globalCursor goes out
 446   // of scope (double deletion of the cursor).
 447   wxSetCursor(wxNullCursor);
 448   delete g_globalCursor;
 449
 450   wxDeleteStockObjects() ;
 451
 452   // Destroy all GDI lists, etc.
 453   wxDeleteStockLists();
 454
 455   delete wxTheColourDatabase;
 456   wxTheColourDatabase = NULL;
 457
 458   wxBitmap::CleanUpHandlers();
 459
 460   delete[] wxBuffer;
 461   wxBuffer = NULL;
 462
 463   //// WINDOWS-SPECIFIC CLEANUP
 464
 465   wxSetKeyboardHook(FALSE);
 466
 467 #ifdef __WIN95__
 468   if (gs_hRichEdit != NULL)
 469     FreeLibrary(gs_hRichEdit);
 470 #endif
 471
 472 #if wxUSE_PENWINDOWS
 473   wxCleanUpPenWin();
 474 #endif
 475
 476   if (wxSTD_FRAME_ICON)
 477     DestroyIcon(wxSTD_FRAME_ICON);
 478   if (wxSTD_MDICHILDFRAME_ICON)
 479     DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
 480   if (wxSTD_MDIPARENTFRAME_ICON)
 481     DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
 482
 483   if (wxDEFAULT_FRAME_ICON)
 484     DestroyIcon(wxDEFAULT_FRAME_ICON);
 485   if (wxDEFAULT_MDICHILDFRAME_ICON)
 486     DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 487   if (wxDEFAULT_MDIPARENTFRAME_ICON)
 488     DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 489
 490   if ( wxDisableButtonBrush )
 491     ::DeleteObject( wxDisableButtonBrush ) ;
 492
 493 #if     defined(WX_DRAG_DROP)
 494   ::OleUninitialize();
 495 #endif
 496
 497 #if CTL3D
 498   Ctl3dUnregister(wxhInstance);
 499 #endif
 500
 501   if (wxWinHandleList)
 502     delete wxWinHandleList ;
 503
 504   wxClassInfo::CleanUpClasses();
 505
 506   // do it as the very last thing because everything else can log messages
 507   wxLog::DontCreateOnDemand();
 508   delete wxLog::SetActiveTarget(NULL);
 509 }
 510
 511 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 512
 513 //// Main wxWindows entry point
 514 int wxEntry(WXHINSTANCE hInstance,
 515             WXHINSTANCE WXUNUSED(hPrevInstance),
 516             char *lpCmdLine,
 517             int nCmdShow,
 518             bool enterLoop)
 519 {
 520 #ifndef __WXDEBUG__ // take everything into a try-except block in release build
 521   try {
 522 #endif
 523
 524   wxhInstance = (HINSTANCE) hInstance;
 525
 526   if (!wxApp::Initialize())
 527     return 0;
 528
 529   // create the application object or ensure that one already exists
 530   if (!wxTheApp)
 531   {
 532     // The app may have declared a global application object, but we recommend
 533     // the IMPLEMENT_APP macro is used instead, which sets an initializer
 534     // function for delayed, dynamic app object construction.
 535     wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 536                  "No initializer - use IMPLEMENT_APP macro." );
 537
 538     wxTheApp = (*wxApp::GetInitializerFunction()) ();
 539   }
 540
 541   wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
 542
 543   // save the WinMain() parameters
 544   wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
 545   wxTheApp->m_nCmdShow = nCmdShow;
 546
 547   // GUI-specific initialisation. In fact on Windows we don't have any,
 548   // but this call is provided for compatibility across platforms.
 549   wxTheApp->OnInitGui() ;
 550
 551   int retValue = 0;
 552
 553   if ( wxTheApp->OnInit() )
 554   {
 555       if ( enterLoop )
 556       {
 557           retValue = wxTheApp->OnRun();
 558       }
 559   }
 560   //else: app initialization failed, so we skipped OnRun()
 561
 562   wxWindow *topWindow = wxTheApp->GetTopWindow();
 563   if ( topWindow )
 564   {
 565       // Forcibly delete the window.
 566       if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 567            topWindow->IsKindOf(CLASSINFO(wxDialog)) )
 568       {
 569           topWindow->Close(TRUE);
 570           wxTheApp->DeletePendingObjects();
 571       }
 572       else
 573       {
 574           delete topWindow;
 575           wxTheApp->SetTopWindow(NULL);
 576       }
 577   }
 578
 579   wxTheApp->OnExit();
 580   wxApp::CleanUp();
 581
 582   delete wxTheApp;
 583   wxTheApp = NULL;
 584
 585 #if (WXDEBUG && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 586   // At this point we want to check if there are any memory
 587   // blocks that aren't part of the wxDebugContext itself,
 588   // as a special case. Then when dumping we need to ignore
 589   // wxDebugContext, too.
 590   if (wxDebugContext::CountObjectsLeft() > 0)
 591   {
 592       wxTrace("There were memory leaks.\n");
 593       wxDebugContext::Dump();
 594       wxDebugContext::PrintStatistics();
 595   }
 596   wxDebugContext::SetStream(NULL, NULL);
 597 #endif
 598
 599   return retValue;
 600 #ifndef __WXDEBUG__ // catch exceptions only in release build
 601   }
 602   except ( EXCEPTION_EXECUTE_HANDLER ) {
 603     /*
 604     if ( wxTheApp )
 605       wxTheApp->OnFatalException();
 606     */
 607
 608     ::ExitProcess(3); // the same exit code as abort()
 609   }
 610 #endif //debug
 611 }
 612
 613 #else /*  _WINDLL  */
 614
 615 //// Entry point for DLLs
 616
 617 int wxEntry(WXHINSTANCE hInstance)
 618 {
 619   wxhInstance = (HINSTANCE) hInstance;
 620   wxApp::Initialize();
 621
 622   // The app may have declared a global application object, but we recommend
 623   // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 624   // for delayed, dynamic app object construction.
 625
 626   if (!wxTheApp)
 627   {
 628     if (!wxApp::GetInitializerFunction())
 629     {
 630       MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 631     return 0;
 632     }
 633
 634     wxTheApp = (* wxApp::GetInitializerFunction()) ();
 635   }
 636
 637   if (!wxTheApp) {
 638     MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 639     return 0;
 640   }
 641
 642   wxTheApp->argc = 0;
 643   wxTheApp->argv = NULL;
 644
 645   wxTheApp->OnInitGui();
 646
 647   wxTheApp->OnInit();
 648
 649   if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
 650     wxTheApp->GetTopWindow()->Show(TRUE);
 651   }
 652
 653   return 1;
 654 }
 655 #endif // _WINDLL
 656
 657 //// Static member initialization
 658
 659 wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
 660
 661 wxApp::wxApp()
 662 {
 663   m_topWindow = NULL;
 664   wxTheApp = this;
 665   m_className = "";
 666   m_wantDebugOutput = TRUE ;
 667   m_appName = "";
 668   argc = 0;
 669   argv = NULL;
 670 #ifdef __WXMSW__
 671   m_printMode = wxPRINT_WINDOWS;
 672 #else
 673   m_printMode = wxPRINT_POSTSCRIPT;
 674 #endif
 675   m_exitOnFrameDelete = TRUE;
 676   m_auto3D = TRUE;
 677 }
 678
 679 wxApp::~wxApp()
 680 {
 681   // Delete command-line args
 682   int i;
 683   for (i = 0; i < argc; i++)
 684   {
 685     delete[] argv[i];
 686   }
 687   delete argv;
 688 }
 689
 690 bool wxApp::Initialized()
 691 {
 692 #ifndef _WINDLL
 693   if (GetTopWindow())
 694     return TRUE;
 695   else
 696     return FALSE;
 697 #endif
 698 #ifdef _WINDLL // Assume initialized if DLL (no way of telling)
 699   return TRUE;
 700 #endif
 701 }
 702
 703 /*
 704  * Get and process a message, returning FALSE if WM_QUIT
 705  * received.
 706  *
 707  */
 708 bool wxApp::DoMessage()
 709 {
 710   if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
 711   {
 712     return FALSE;
 713   }
 714
 715   // Process the message
 716   if (!ProcessMessage((WXMSG *)&s_currentMsg))
 717   {
 718     ::TranslateMessage(&s_currentMsg);
 719     wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
 720     ::DispatchMessage(&s_currentMsg);
 721   }
 722   return TRUE;
 723 }
 724
 725 /*
 726  * Keep trying to process messages until WM_QUIT
 727  * received.
 728  *
 729  * If there are messages to be processed, they will all be
 730  * processed and OnIdle will not be called.
 731  * When there are no more messages, OnIdle is called.
 732  * If OnIdle requests more time,
 733  * it will be repeatedly called so long as there are no pending messages.
 734  * A 'feature' of this is that once OnIdle has decided that no more processing
 735  * is required, then it won't get processing time until further messages
 736  * are processed (it'll sit in DoMessage).
 737  */
 738
 739 int wxApp::MainLoop()
 740 {
 741   m_keepGoing = TRUE;
 742   while (m_keepGoing)
 743   {
 744     while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
 745            ProcessIdle()) {}
 746     if (!DoMessage())
 747       m_keepGoing = FALSE;
 748   }
 749
 750   return s_currentMsg.wParam;
 751 }
 752
 753 // Returns TRUE if more time is needed.
 754 bool wxApp::ProcessIdle()
 755 {
 756     wxIdleEvent event;
 757     event.SetEventObject(this);
 758     ProcessEvent(event);
 759
 760     return event.MoreRequested();
 761 }
 762
 763 void wxApp::ExitMainLoop()
 764 {
 765   m_keepGoing = FALSE;
 766 }
 767
 768 bool wxApp::Pending()
 769 {
 770   return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
 771 }
 772
 773 void wxApp::Dispatch()
 774 {
 775     if (!DoMessage())
 776       m_keepGoing = FALSE;
 777 }
 778
 779 /*
 780  * Give all windows a chance to preprocess
 781  * the message. Some may have accelerator tables, or have
 782  * MDI complications.
 783  */
 784 bool wxApp::ProcessMessage(WXMSG *Msg)
 785 {
 786   MSG *msg = (MSG *)Msg;
 787
 788   HWND hWnd;
 789
 790   // Try translations first; find the youngest window with
 791   // a translation table.
 792   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 793   {
 794     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 795     if (wnd)
 796     {
 797        if (wnd->MSWTranslateMessage(Msg))
 798          return TRUE;
 799     }
 800   }
 801
 802   // Anyone for a non-translation message? Try youngest descendants first.
 803   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 804   {
 805     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 806     if (wnd)
 807     {
 808        if (wnd->MSWProcessMessage(Msg))
 809          return TRUE;
 810     }
 811   }
 812   return FALSE;
 813 }
 814
 815 void wxApp::OnIdle(wxIdleEvent& event)
 816 {
 817   static bool inOnIdle = FALSE;
 818
 819   // Avoid recursion (via ProcessEvent default case)
 820   if (inOnIdle)
 821     return;
 822
 823   inOnIdle = TRUE;
 824
 825   // 'Garbage' collection of windows deleted with Close().
 826   DeletePendingObjects();
 827
 828   // flush the logged messages if any
 829   wxLog *pLog = wxLog::GetActiveTarget();
 830   if ( pLog != NULL && pLog->HasPendingMessages() )
 831     pLog->Flush();
 832
 833   // Send OnIdle events to all windows
 834   bool needMore = SendIdleEvents();
 835 //  bool needMore = FALSE;
 836
 837   if (needMore)
 838     event.RequestMore(TRUE);
 839
 840   inOnIdle = FALSE;
 841 }
 842
 843 // Send idle event to all top-level windows
 844 bool wxApp::SendIdleEvents()
 845 {
 846     bool needMore = FALSE;
 847   wxNode* node = wxTopLevelWindows.First();
 848   while (node)
 849   {
 850     wxWindow* win = (wxWindow*) node->Data();
 851     if (SendIdleEvents(win))
 852             needMore = TRUE;
 853
 854     node = node->Next();
 855   }
 856     return needMore;
 857 }
 858
 859 // Send idle event to window and all subwindows
 860 bool wxApp::SendIdleEvents(wxWindow* win)
 861 {
 862   bool needMore = FALSE;
 863
 864   wxIdleEvent event;
 865   event.SetEventObject(win);
 866   win->ProcessEvent(event);
 867
 868   if (event.MoreRequested())
 869     needMore = TRUE;
 870
 871   wxNode* node = win->GetChildren()->First();
 872   while (node)
 873   {
 874     wxWindow* win = (wxWindow*) node->Data();
 875     if (SendIdleEvents(win))
 876       needMore = TRUE;
 877
 878     node = node->Next();
 879   }
 880   return needMore ;
 881 }
 882
 883 void wxApp::DeletePendingObjects()
 884 {
 885   wxNode *node = wxPendingDelete.First();
 886   while (node)
 887   {
 888     wxObject *obj = (wxObject *)node->Data();
 889
 890     delete obj;
 891
 892     if (wxPendingDelete.Member(obj))
 893       delete node;
 894
 895     // Deleting one object may have deleted other pending
 896     // objects, so start from beginning of list again.
 897     node = wxPendingDelete.First();
 898   }
 899 }
 900
 901 void wxApp::OnEndSession(wxCloseEvent& event)
 902 {
 903     if (GetTopWindow())
 904         GetTopWindow()->Close(TRUE);
 905 }
 906
 907 // Default behaviour: close the application with prompts. The
 908 // user can veto the close, and therefore the end session.
 909 void wxApp::OnQueryEndSession(wxCloseEvent& event)
 910 {
 911     if (GetTopWindow())
 912     {
 913         if (!GetTopWindow()->Close(!event.CanVeto()))
 914             event.Veto(TRUE);
 915     }
 916 }
 917
 918 wxLog* wxApp::CreateLogTarget()
 919 {
 920     return new wxLogGui;
 921 }
 922
 923 wxWindow* wxApp::GetTopWindow() const
 924 {
 925     if (m_topWindow)
 926         return m_topWindow;
 927     else if (wxTopLevelWindows.Number() > 0)
 928         return (wxWindow*) wxTopLevelWindows.First()->Data();
 929     else
 930         return NULL;
 931 }
 932
 933 int wxApp::GetComCtl32Version() const
 934 {
 935     // have we loaded COMCTL32 yet?
 936     HMODULE theModule = ::GetModuleHandle("COMCTL32");
 937     int version = 0;
 938
 939     // if so, then we can check for the version
 940     if (theModule)
 941     {
 942         // InitCommonControlsEx is unique to 4.7 and later
 943         FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
 944
 945         if (! theProc)
 946         {                    // not found, must be 4.00
 947       version = 400;
 948         }
 949         else
 950         {
 951       // The following symbol are unique to 4.71
 952       //   DllInstall
 953       //   FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
 954       //   FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
 955       //   FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
 956       //   FlatSB_ShowScrollBar
 957       //   _DrawIndirectImageList _DuplicateImageList
 958       //   InitializeFlatSB
 959       //   UninitializeFlatSB
 960       // we could check for any of these - I chose DllInstall
 961       FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
 962       if (! theProc)
 963       {
 964         // not found, must be 4.70
 965         version = 470;
 966       }
 967       else
 968       {                         // found, must be 4.71
 969         version = 471;
 970       }
 971         }
 972     }
 973     return version;
 974 }
 975
 976 void wxExit()
 977 {
 978   wxApp::CleanUp();
 979   FatalAppExit(0, "Fatal error: exiting");
 980 }
 981
 982 // Yield to incoming messages
 983 bool wxYield()
 984 {
 985   MSG msg;
 986   // We want to go back to the main message loop
 987   // if we see a WM_QUIT. (?)
 988   while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
 989   {
 990     if (!wxTheApp->DoMessage())
 991       break;
 992   }
 993
 994   return TRUE;
 995 }
 996
 997 HINSTANCE wxGetInstance()
 998 {
 999   return wxhInstance;
1000 }
1001
1002 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
1003 // if in a separate file. So include it here to ensure it's linked.
1004 #if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
1005   #include "main.cpp"
1006 #endif