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_THREADS
  43     #include "wx/thread.h"
  44
  45     // define the array of MSG strutures
  46     WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
  47
  48     #include "wx/arrimpl.cpp"
  49
  50     WX_DEFINE_OBJARRAY(wxMsgArray);
  51 #endif // wxUSE_THREADS
  52
  53 #if wxUSE_WX_RESOURCES
  54   #include "wx/resource.h"
  55 #endif
  56
  57 // To UG: there's no point in putting this #if here
  58 // if you don't do the same for the Ole calls further down.
  59 // Also, OLE is used not just for drag and drop (it's used by automatn.cpp).
  60 // #if wxUSE_DRAG_AND_DROP
  61 #if !defined(__GNUWIN32__) && !defined(__SC__)
  62 #include <ole2.h>
  63 #endif
  64 // #endif
  65
  66 #include <string.h>
  67 #include <ctype.h>
  68
  69 #if defined(__WIN95__) && !defined(__GNUWIN32__)
  70   #include <commctrl.h>
  71 #endif
  72
  73 // use debug CRT functions for memory leak detections in VC++ if we're not
  74 // using wxWindows own methods
  75 #if defined(__WXDEBUG__) && defined(_MSC_VER) && !wxUSE_GLOBAL_MEMORY_OPERATORS && !defined(__NO_VC_CRTDBG__)
  76     #define wxUSE_VC_CRTDBG
  77 #else
  78     #undef wxUSE_VC_CRTDBG
  79 #endif
  80
  81 #ifdef wxUSE_VC_CRTDBG
  82   // VC++ uses this macro as debug/release mode indicator
  83   #ifndef _DEBUG
  84     #define _DEBUG
  85   #endif
  86
  87   /* Need to undef new if including crtdbg.h */
  88   #ifdef new
  89   #undef new
  90   #endif
  91
  92   #include <crtdbg.h>
  93
  94   #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
  95   #define new new(__FILE__,__LINE__)
  96   #endif
  97
  98 #endif
  99
 100 extern char *wxBuffer;
 101 extern char *wxOsVersion;
 102 extern wxList *wxWinHandleList;
 103 extern wxList WXDLLEXPORT wxPendingDelete;
 104 extern void wxSetKeyboardHook(bool doIt);
 105 extern wxCursor *g_globalCursor;
 106
 107 HINSTANCE wxhInstance = 0;
 108 static MSG s_currentMsg;
 109 wxApp *wxTheApp = NULL;
 110
 111 // @@ why not const? and not static?
 112 char wxFrameClassName[]         = "wxFrameClass";
 113 char wxMDIFrameClassName[]      = "wxMDIFrameClass";
 114 char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
 115 char wxPanelClassName[]         = "wxPanelClass";
 116 char wxCanvasClassName[]        = "wxCanvasClass";
 117
 118 HICON wxSTD_FRAME_ICON = NULL;
 119 HICON wxSTD_MDICHILDFRAME_ICON = NULL;
 120 HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
 121
 122 HICON wxDEFAULT_FRAME_ICON = NULL;
 123 HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
 124 HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
 125
 126 HBRUSH wxDisableButtonBrush = 0;
 127
 128 LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 129
 130 #if !USE_SHARED_LIBRARY
 131   IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 132
 133   BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 134       EVT_IDLE(wxApp::OnIdle)
 135       EVT_END_SESSION(wxApp::OnEndSession)
 136       EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 137   END_EVENT_TABLE()
 138 #endif
 139
 140 long wxApp::sm_lastMessageTime = 0;
 141
 142 #ifdef __WIN95__
 143   static HINSTANCE gs_hRichEdit = NULL;
 144 #endif
 145
 146 //// Initialize
 147
 148 bool wxApp::Initialize()
 149 {
 150     // Some people may wish to use this, but
 151     // probably it shouldn't be here by default.
 152 #ifdef __WXDEBUG__
 153 //    wxRedirectIOToConsole();
 154 #endif
 155
 156     wxBuffer = new char[1500];
 157
 158 #ifdef wxUSE_VC_CRTDBG
 159     // do check for memory leaks on program exit
 160     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
 161     //  deallocated memory which may be used to simulate low-memory condition)
 162     _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
 163 #endif // debug build under MS VC++
 164
 165     wxClassInfo::InitializeClasses();
 166
 167 #if wxUSE_RESOURCES
 168     wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
 169 #endif
 170
 171     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 172     wxTheColourDatabase->Initialize();
 173
 174     wxInitializeStockLists();
 175     wxInitializeStockObjects();
 176
 177 #if wxUSE_WX_RESOURCES
 178     wxInitializeResourceSystem();
 179 #endif
 180
 181     wxBitmap::InitStandardHandlers();
 182
 183 #if defined(__WIN95__)
 184     InitCommonControls();
 185     gs_hRichEdit = LoadLibrary("RICHED32.DLL");
 186
 187     if (gs_hRichEdit == NULL)
 188     {
 189       wxMessageBox("Could not initialise Rich Edit DLL");
 190     }
 191 #endif
 192
 193     int iMsg = 96;
 194
 195    // for OLE, enlarge message queue to be as large as possible
 196    while (!SetMessageQueue(iMsg) && (iMsg -= 8));
 197
 198 /*
 199     DWORD dwOleVer;
 200     dwOleVer = CoBuildVersion();
 201
 202     // check the OLE library version
 203     if (rmm != HIWORD(dwOleVer))
 204     {
 205         wxMessageBox("Incorrect version of OLE libraries.");
 206         return FALSE;
 207     }
 208 */
 209
 210 #if !defined(__GNUWIN32__) && !defined(__SC__)
 211     // we need to initialize OLE library
 212     if ( FAILED(::OleInitialize(NULL)) )
 213       wxFatalError(_("Cannot initialize OLE"));
 214 #endif
 215
 216 #if CTL3D
 217     if (!Ctl3dRegister(wxhInstance))
 218       wxFatalError("Cannot register CTL3D");
 219
 220     Ctl3dAutoSubclass(wxhInstance);
 221 #endif
 222
 223     g_globalCursor = new wxCursor;
 224
 225     wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME");
 226     wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME");
 227     wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME");
 228
 229     wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME");
 230     wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME");
 231     wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME");
 232
 233     RegisterWindowClasses();
 234
 235     // Create the brush for disabling bitmap buttons
 236
 237     LOGBRUSH lb ;
 238     lb.lbStyle = BS_PATTERN;
 239     lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
 240     wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
 241     ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
 242
 243 #if wxUSE_PENWINDOWS
 244     wxRegisterPenWin();
 245 #endif
 246
 247     wxWinHandleList = new wxList(wxKEY_INTEGER);
 248
 249     // This is to foil optimizations in Visual C++ that
 250     // throw out dummy.obj.
 251 #if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
 252     extern char wxDummyChar;
 253     if (wxDummyChar) wxDummyChar++;
 254 #endif
 255
 256     wxSetKeyboardHook(TRUE);
 257
 258     wxModule::RegisterModules();
 259     if (!wxModule::InitializeModules())
 260         return FALSE;
 261     return TRUE;
 262 }
 263
 264 //// RegisterWindowClasses
 265
 266 bool wxApp::RegisterWindowClasses()
 267 {
 268 ///////////////////////////////////////////////////////////////////////
 269 // Register the frame window class.
 270   WNDCLASS wndclass;   // Structure used to register Windows class.
 271
 272   wndclass.style         = CS_HREDRAW | CS_VREDRAW;
 273   wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 274   wndclass.cbClsExtra    = 0;
 275   wndclass.cbWndExtra    = sizeof( DWORD ); // was 4
 276   wndclass.hInstance     = wxhInstance;
 277   wndclass.hIcon         = NULL;        // wxSTD_FRAME_ICON;
 278   wndclass.hCursor       = LoadCursor( NULL, IDC_ARROW );
 279   wndclass.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 280 //  wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
 281   wndclass.lpszMenuName  = NULL;
 282 #ifdef _MULTIPLE_INSTANCES
 283   sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
 284 #endif
 285   wndclass.lpszClassName = wxFrameClassName;
 286
 287   if (!RegisterClass( &wndclass ))
 288   {
 289     // wxFatalError("Can't register Frame Window class");
 290   }
 291
 292 ///////////////////////////////////////////////////////////////////////
 293 // Register the MDI frame window class.
 294   WNDCLASS wndclass1;   // Structure used to register Windows class.
 295
 296   wndclass1.style         = CS_HREDRAW | CS_VREDRAW;
 297   wndclass1.lpfnWndProc   = (WNDPROC)wxWndProc;
 298   wndclass1.cbClsExtra    = 0;
 299   wndclass1.cbWndExtra    = sizeof( DWORD ); // was 4
 300   wndclass1.hInstance     = wxhInstance;
 301   wndclass1.hIcon         = NULL; // wxSTD_MDIPARENTFRAME_ICON;
 302   wndclass1.hCursor       = LoadCursor( NULL, IDC_ARROW );
 303 //  wndclass1.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 304   wndclass1.hbrBackground = NULL;
 305   wndclass1.lpszMenuName  = NULL;
 306
 307   wndclass1.lpszClassName = wxMDIFrameClassName;
 308   if (!RegisterClass( &wndclass1 ))
 309   {
 310 //    wxFatalError("Can't register MDI Frame window class");
 311 //  return FALSE;
 312   }
 313
 314 ///////////////////////////////////////////////////////////////////////
 315 // Register the MDI child frame window class.
 316   WNDCLASS wndclass4;   // Structure used to register Windows class.
 317
 318   wndclass4.style         = CS_HREDRAW | CS_VREDRAW;
 319   wndclass4.lpfnWndProc   = (WNDPROC)wxWndProc;
 320   wndclass4.cbClsExtra    = 0;
 321   wndclass4.cbWndExtra    = sizeof( DWORD ); // was 4
 322   wndclass4.hInstance     = wxhInstance;
 323   wndclass4.hIcon         = NULL;       // wxSTD_MDICHILDFRAME_ICON;
 324   wndclass4.hCursor       = LoadCursor( NULL, IDC_ARROW );
 325   // TODO: perhaps this should be NULL so that Windows doesn't
 326   // paint the background itself (would OnEraseBackground duplicate
 327   // this?)
 328   wndclass4.hbrBackground =  (HBRUSH)(COLOR_WINDOW+1) ;
 329 //  wndclass4.hbrBackground = NULL;
 330   wndclass4.lpszMenuName  = NULL;
 331   wndclass4.lpszClassName = wxMDIChildFrameClassName;
 332
 333   if (!RegisterClass( &wndclass4 ))
 334   {
 335 //   wxFatalError("Can't register MDI child frame window class");
 336 //   return FALSE;
 337   }
 338
 339 ///////////////////////////////////////////////////////////////////////
 340 // Register the panel window class.
 341   WNDCLASS wndclass2;   // Structure used to register Windows class.
 342   memset(&wndclass2, 0, sizeof(WNDCLASS));   // start with NULL defaults
 343   // Use CS_OWNDC to avoid messing about restoring the context
 344   // for every graphic operation.
 345   wndclass2.style         = CS_HREDRAW | CS_VREDRAW;
 346   wndclass2.lpfnWndProc   = (WNDPROC)wxWndProc;
 347   wndclass2.cbClsExtra    = 0;
 348   wndclass2.cbWndExtra    = sizeof( DWORD ); // was 4
 349   wndclass2.hInstance     = wxhInstance;
 350   wndclass2.hIcon         = NULL;
 351   wndclass2.hCursor       = NULL;
 352 //  wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
 353   wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
 354   wndclass2.lpszMenuName  = NULL;
 355   wndclass2.lpszClassName = wxPanelClassName;
 356   if (!RegisterClass( &wndclass2 ))
 357   {
 358 //   wxFatalError("Can't register Panel Window class");
 359 //   return FALSE;
 360   }
 361
 362 ///////////////////////////////////////////////////////////////////////
 363 // Register the canvas and textsubwindow class name
 364   WNDCLASS wndclass3;   // Structure used to register Windows class.
 365   memset(&wndclass3, 0, sizeof(WNDCLASS));   // start with NULL defaults
 366   // Use CS_OWNDC to avoid messing about restoring the context
 367   // for every graphic operation.
 368 //  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
 369   // wxWin 2.0
 370   wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
 371   wndclass3.lpfnWndProc   = (WNDPROC)wxWndProc;
 372   wndclass3.cbClsExtra    = 0;
 373   wndclass3.cbWndExtra    = sizeof( DWORD ); // was 4
 374   wndclass3.hInstance     = wxhInstance;
 375   wndclass3.hIcon         = NULL;
 376   wndclass3.hCursor       = NULL;
 377 //  wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
 378   wndclass3.hbrBackground = NULL;
 379   wndclass3.lpszMenuName  = NULL;
 380   wndclass3.lpszClassName = wxCanvasClassName;
 381   if (!RegisterClass( &wndclass3))
 382   {
 383 //   wxFatalError("Can't register Canvas class");
 384 //   return FALSE;
 385   }
 386
 387   return TRUE;
 388 }
 389
 390 //// Convert Windows to argc, argv style
 391
 392 void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
 393 {
 394     wxStringList args;
 395
 396     wxString cmdLine(lpCmdLine);
 397     int count = 0;
 398
 399     // Get application name
 400     char name[260]; // 260 is MAX_PATH value from windef.h
 401     ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
 402
 403     // GNUWIN32 already fills in the first arg with the application name.
 404 #if !defined(__GNUWIN32__)
 405     args.Add(name);
 406     count ++;
 407 #endif
 408
 409     strcpy(name, wxFileNameFromPath(name));
 410     wxStripExtension(name);
 411     wxTheApp->SetAppName(name);
 412
 413     // Break up string
 414     // Treat strings enclosed in double-quotes as single arguments
 415     int i = 0;
 416     int len = cmdLine.Length();
 417     while (i < len)
 418     {
 419         // Skip whitespace
 420         while ((i < len) && isspace(cmdLine.GetChar(i)))
 421             i ++;
 422
 423         if (i < len)
 424         {
 425             if (cmdLine.GetChar(i) == '"') // We found the start of a string
 426             {
 427                 i ++;
 428                 int first = i;
 429                 while ((i < len) && (cmdLine.GetChar(i) != '"'))
 430                     i ++;
 431
 432                 wxString arg(cmdLine.Mid(first, (i - first)));
 433
 434                 args.Add(arg);
 435                 count ++;
 436
 437                 if (i < len)
 438                     i ++; // Skip past 2nd quote
 439             }
 440             else // Unquoted argument
 441             {
 442                 int first = i;
 443                 while ((i < len) && !isspace(cmdLine.GetChar(i)))
 444                     i ++;
 445
 446                 wxString arg(cmdLine.Mid(first, (i - first)));
 447
 448                 args.Add(arg);
 449                 count ++;
 450             }
 451         }
 452     }
 453
 454     wxTheApp->argv = new char*[count + 1];
 455     for (i = 0; i < count; i++)
 456     {
 457         wxString arg(args[i]);
 458         wxTheApp->argv[i] = copystring((const char*)arg);
 459     }
 460     wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
 461     wxTheApp->argc = count;
 462 }
 463
 464 //// Cleans up any wxWindows internal structures left lying around
 465
 466 void wxApp::CleanUp()
 467 {
 468   //// COMMON CLEANUP
 469   wxModule::CleanUpModules();
 470
 471 #if wxUSE_WX_RESOURCES
 472   wxCleanUpResourceSystem();
 473
 474 //  wxDefaultResourceTable->ClearTable();
 475 #endif
 476
 477   // Indicate that the cursor can be freed,
 478   // so that cursor won't be deleted by deleting
 479   // the bitmap list before g_globalCursor goes out
 480   // of scope (double deletion of the cursor).
 481   wxSetCursor(wxNullCursor);
 482   delete g_globalCursor;
 483
 484   wxDeleteStockObjects() ;
 485
 486   // Destroy all GDI lists, etc.
 487   wxDeleteStockLists();
 488
 489   delete wxTheColourDatabase;
 490   wxTheColourDatabase = NULL;
 491
 492   wxBitmap::CleanUpHandlers();
 493
 494   delete[] wxBuffer;
 495   wxBuffer = NULL;
 496
 497   //// WINDOWS-SPECIFIC CLEANUP
 498
 499   wxSetKeyboardHook(FALSE);
 500
 501 #ifdef __WIN95__
 502   if (gs_hRichEdit != NULL)
 503     FreeLibrary(gs_hRichEdit);
 504 #endif
 505
 506 #if wxUSE_PENWINDOWS
 507   wxCleanUpPenWin();
 508 #endif
 509
 510   if (wxSTD_FRAME_ICON)
 511     DestroyIcon(wxSTD_FRAME_ICON);
 512   if (wxSTD_MDICHILDFRAME_ICON)
 513     DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
 514   if (wxSTD_MDIPARENTFRAME_ICON)
 515     DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
 516
 517   if (wxDEFAULT_FRAME_ICON)
 518     DestroyIcon(wxDEFAULT_FRAME_ICON);
 519   if (wxDEFAULT_MDICHILDFRAME_ICON)
 520     DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 521   if (wxDEFAULT_MDIPARENTFRAME_ICON)
 522     DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 523
 524   if ( wxDisableButtonBrush )
 525     ::DeleteObject( wxDisableButtonBrush ) ;
 526
 527 #if !defined(__GNUWIN32__) && !defined(__SC__)
 528   ::OleUninitialize();
 529 #endif
 530
 531 #if CTL3D
 532   Ctl3dUnregister(wxhInstance);
 533 #endif
 534
 535   if (wxWinHandleList)
 536     delete wxWinHandleList ;
 537
 538   wxClassInfo::CleanUpClasses();
 539
 540   delete wxTheApp;
 541   wxTheApp = NULL;
 542
 543 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 544   // At this point we want to check if there are any memory
 545   // blocks that aren't part of the wxDebugContext itself,
 546   // as a special case. Then when dumping we need to ignore
 547   // wxDebugContext, too.
 548   if (wxDebugContext::CountObjectsLeft() > 0)
 549   {
 550       wxLogDebug("There were memory leaks.");
 551       wxDebugContext::Dump();
 552       wxDebugContext::PrintStatistics();
 553   }
 554 //  wxDebugContext::SetStream(NULL, NULL);
 555 #endif
 556
 557   // do it as the very last thing because everything else can log messages
 558   wxLog::DontCreateOnDemand();
 559   delete wxLog::SetActiveTarget(NULL);
 560 }
 561
 562 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 563
 564 //// Main wxWindows entry point
 565 int wxEntry(WXHINSTANCE hInstance,
 566             WXHINSTANCE WXUNUSED(hPrevInstance),
 567             char *lpCmdLine,
 568             int nCmdShow,
 569             bool enterLoop)
 570 {
 571 #if !defined(__WXDEBUG__) && !defined(__BORLANDC__) && !defined(__WATCOMC__) // take everything into a try-except block in release build
 572   try {
 573 #endif
 574
 575   wxhInstance = (HINSTANCE) hInstance;
 576
 577   if (!wxApp::Initialize())
 578     return 0;
 579
 580   // create the application object or ensure that one already exists
 581   if (!wxTheApp)
 582   {
 583     // The app may have declared a global application object, but we recommend
 584     // the IMPLEMENT_APP macro is used instead, which sets an initializer
 585     // function for delayed, dynamic app object construction.
 586     wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 587                  "No initializer - use IMPLEMENT_APP macro." );
 588
 589     wxTheApp = (*wxApp::GetInitializerFunction()) ();
 590   }
 591
 592   wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
 593
 594   // save the WinMain() parameters
 595   wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
 596   wxTheApp->m_nCmdShow = nCmdShow;
 597
 598   // GUI-specific initialisation. In fact on Windows we don't have any,
 599   // but this call is provided for compatibility across platforms.
 600   wxTheApp->OnInitGui() ;
 601
 602   int retValue = 0;
 603
 604   if ( wxTheApp->OnInit() )
 605   {
 606       if ( enterLoop )
 607       {
 608           retValue = wxTheApp->OnRun();
 609       }
 610   }
 611   //else: app initialization failed, so we skipped OnRun()
 612
 613   wxWindow *topWindow = wxTheApp->GetTopWindow();
 614   if ( topWindow )
 615   {
 616       // Forcibly delete the window.
 617       if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 618            topWindow->IsKindOf(CLASSINFO(wxDialog)) )
 619       {
 620           topWindow->Close(TRUE);
 621           wxTheApp->DeletePendingObjects();
 622       }
 623       else
 624       {
 625           delete topWindow;
 626           wxTheApp->SetTopWindow(NULL);
 627       }
 628   }
 629
 630   wxTheApp->OnExit();
 631
 632   // flush the logged messages if any
 633   wxLog *pLog = wxLog::GetActiveTarget();
 634   if ( pLog != NULL && pLog->HasPendingMessages() )
 635     pLog->Flush();
 636
 637
 638   wxApp::CleanUp();
 639
 640   return retValue;
 641 #if !defined(__WXDEBUG__) && !defined(__BORLANDC__) && !defined(__WATCOMC__) // catch exceptions only in release build
 642   }
 643   except ( EXCEPTION_EXECUTE_HANDLER ) {
 644     /*
 645     if ( wxTheApp )
 646       wxTheApp->OnFatalException();
 647     */
 648
 649     ::ExitProcess(3); // the same exit code as abort()
 650   }
 651 #endif //debug
 652 }
 653
 654 #else /*  _WINDLL  */
 655
 656 //// Entry point for DLLs
 657
 658 int wxEntry(WXHINSTANCE hInstance)
 659 {
 660   wxhInstance = (HINSTANCE) hInstance;
 661   wxApp::Initialize();
 662
 663   // The app may have declared a global application object, but we recommend
 664   // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 665   // for delayed, dynamic app object construction.
 666
 667   if (!wxTheApp)
 668   {
 669     if (!wxApp::GetInitializerFunction())
 670     {
 671       MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 672     return 0;
 673     }
 674
 675     wxTheApp = (* wxApp::GetInitializerFunction()) ();
 676   }
 677
 678   if (!wxTheApp) {
 679     MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 680     return 0;
 681   }
 682
 683   wxTheApp->argc = 0;
 684   wxTheApp->argv = NULL;
 685
 686   wxTheApp->OnInitGui();
 687
 688   wxTheApp->OnInit();
 689
 690   if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
 691     wxTheApp->GetTopWindow()->Show(TRUE);
 692   }
 693
 694   return 1;
 695 }
 696 #endif // _WINDLL
 697
 698 //// Static member initialization
 699
 700 wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
 701
 702 wxApp::wxApp()
 703 {
 704   m_topWindow = NULL;
 705   wxTheApp = this;
 706   m_className = "";
 707   m_wantDebugOutput = TRUE ;
 708   m_appName = "";
 709   argc = 0;
 710   argv = NULL;
 711 #ifdef __WXMSW__
 712   m_printMode = wxPRINT_WINDOWS;
 713 #else
 714   m_printMode = wxPRINT_POSTSCRIPT;
 715 #endif
 716   m_exitOnFrameDelete = TRUE;
 717   m_auto3D = TRUE;
 718 }
 719
 720 wxApp::~wxApp()
 721 {
 722   // Delete command-line args
 723   int i;
 724   for (i = 0; i < argc; i++)
 725   {
 726     delete[] argv[i];
 727   }
 728   delete[] argv;
 729 }
 730
 731 bool wxApp::Initialized()
 732 {
 733 #ifndef _WINDLL
 734   if (GetTopWindow())
 735     return TRUE;
 736   else
 737     return FALSE;
 738 #endif
 739 #ifdef _WINDLL // Assume initialized if DLL (no way of telling)
 740   return TRUE;
 741 #endif
 742 }
 743
 744 /*
 745  * Get and process a message, returning FALSE if WM_QUIT
 746  * received (and also set the flag telling the app to exit the main loop)
 747  *
 748  */
 749 bool wxApp::DoMessage()
 750 {
 751     BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
 752     if ( rc == 0 )
 753     {
 754         // got WM_QUIT
 755         m_keepGoing = FALSE;
 756
 757         return FALSE;
 758     }
 759     else if ( rc == -1 )
 760     {
 761         // should never happen, but let's test for it nevertheless
 762         wxLogLastError("GetMessage");
 763     }
 764     else
 765     {
 766 #if wxUSE_THREADS
 767         wxASSERT_MSG( wxThread::IsMain(),
 768                       "only the main thread can process Windows messages" );
 769
 770         static bool s_hadGuiLock = TRUE;
 771         static wxMsgArray s_aSavedMessages;
 772
 773         // if a secondary thread owns is doing GUI calls, save all messages for
 774         // later processing - we can't process them right now because it will
 775         // lead to recursive library calls (and we're not reentrant)
 776         if ( !wxGuiOwnedByMainThread() )
 777         {
 778             s_hadGuiLock = FALSE;
 779
 780             s_aSavedMessages.Add(s_currentMsg);
 781
 782             return TRUE;
 783         }
 784         else
 785         {
 786             // have we just regained the GUI lock? if so, post all of the saved
 787             // messages
 788             //
 789             // FIXME of course, it's not _exactly_ the same as processing the
 790             //       messages normally - expect some things to break...
 791             if ( !s_hadGuiLock )
 792             {
 793                 s_hadGuiLock = TRUE;
 794
 795                 size_t count = s_aSavedMessages.Count();
 796                 for ( size_t n = 0; n < count; n++ )
 797                 {
 798                     MSG& msg = s_aSavedMessages[n];
 799
 800                     if ( !ProcessMessage((WXMSG *)&msg) )
 801                     {
 802                         ::TranslateMessage(&msg);
 803                         ::DispatchMessage(&msg);
 804                     }
 805                 }
 806
 807                 s_aSavedMessages.Empty();
 808             }
 809         }
 810 #endif // wxUSE_THREADS
 811
 812         // Process the message
 813         if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
 814         {
 815             ::TranslateMessage(&s_currentMsg);
 816             wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
 817             ::DispatchMessage(&s_currentMsg);
 818         }
 819     }
 820
 821     return TRUE;
 822 }
 823
 824 /*
 825  * Keep trying to process messages until WM_QUIT
 826  * received.
 827  *
 828  * If there are messages to be processed, they will all be
 829  * processed and OnIdle will not be called.
 830  * When there are no more messages, OnIdle is called.
 831  * If OnIdle requests more time,
 832  * it will be repeatedly called so long as there are no pending messages.
 833  * A 'feature' of this is that once OnIdle has decided that no more processing
 834  * is required, then it won't get processing time until further messages
 835  * are processed (it'll sit in DoMessage).
 836  */
 837
 838 int wxApp::MainLoop()
 839 {
 840   m_keepGoing = TRUE;
 841
 842   while ( m_keepGoing )
 843   {
 844     #if wxUSE_THREADS
 845         wxMutexGuiLeaveOrEnter();
 846     #endif // wxUSE_THREADS
 847
 848     while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
 849             ProcessIdle() )
 850     {
 851     }
 852
 853     DoMessage();
 854   }
 855
 856   return s_currentMsg.wParam;
 857 }
 858
 859 // Returns TRUE if more time is needed.
 860 bool wxApp::ProcessIdle()
 861 {
 862     wxIdleEvent event;
 863     event.SetEventObject(this);
 864     ProcessEvent(event);
 865
 866     return event.MoreRequested();
 867 }
 868
 869 void wxApp::ExitMainLoop()
 870 {
 871   m_keepGoing = FALSE;
 872 }
 873
 874 bool wxApp::Pending()
 875 {
 876   return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
 877 }
 878
 879 void wxApp::Dispatch()
 880 {
 881     DoMessage();
 882 }
 883
 884 /*
 885  * Give all windows a chance to preprocess
 886  * the message. Some may have accelerator tables, or have
 887  * MDI complications.
 888  */
 889 bool wxApp::ProcessMessage(WXMSG *Msg)
 890 {
 891   MSG *msg = (MSG *)Msg;
 892
 893   HWND hWnd;
 894
 895   // Try translations first; find the youngest window with
 896   // a translation table.
 897   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 898   {
 899     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 900     if (wnd)
 901     {
 902        if (wnd->MSWTranslateMessage(Msg))
 903          return TRUE;
 904     }
 905   }
 906
 907   // Anyone for a non-translation message? Try youngest descendants first.
 908   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 909   {
 910     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 911     if (wnd)
 912     {
 913        if (wnd->MSWProcessMessage(Msg))
 914          return TRUE;
 915     }
 916   }
 917   return FALSE;
 918 }
 919
 920 void wxApp::OnIdle(wxIdleEvent& event)
 921 {
 922     static bool s_inOnIdle = FALSE;
 923
 924     // Avoid recursion (via ProcessEvent default case)
 925     if ( s_inOnIdle )
 926         return;
 927
 928     s_inOnIdle = TRUE;
 929
 930     // 'Garbage' collection of windows deleted with Close().
 931     DeletePendingObjects();
 932
 933     // flush the logged messages if any
 934     wxLog *pLog = wxLog::GetActiveTarget();
 935     if ( pLog != NULL && pLog->HasPendingMessages() )
 936         pLog->Flush();
 937
 938     // Send OnIdle events to all windows
 939     if ( SendIdleEvents() )
 940     {
 941         // SendIdleEvents() returns TRUE if at least one window requested more
 942         // idle events
 943         event.RequestMore(TRUE);
 944     }
 945
 946     s_inOnIdle = FALSE;
 947 }
 948
 949 // Send idle event to all top-level windows
 950 bool wxApp::SendIdleEvents()
 951 {
 952     bool needMore = FALSE;
 953     wxNode* node = wxTopLevelWindows.First();
 954     while (node)
 955     {
 956         wxWindow* win = (wxWindow*) node->Data();
 957         if (SendIdleEvents(win))
 958             needMore = TRUE;
 959
 960         node = node->Next();
 961     }
 962
 963     return needMore;
 964 }
 965
 966 // Send idle event to window and all subwindows
 967 bool wxApp::SendIdleEvents(wxWindow* win)
 968 {
 969   bool needMore = FALSE;
 970
 971   wxIdleEvent event;
 972   event.SetEventObject(win);
 973   win->GetEventHandler()->ProcessEvent(event);
 974
 975   if (event.MoreRequested())
 976     needMore = TRUE;
 977
 978   wxNode* node = win->GetChildren().First();
 979   while (node)
 980   {
 981     wxWindow* win = (wxWindow*) node->Data();
 982     if (SendIdleEvents(win))
 983       needMore = TRUE;
 984
 985     node = node->Next();
 986   }
 987   return needMore ;
 988 }
 989
 990 void wxApp::DeletePendingObjects()
 991 {
 992   wxNode *node = wxPendingDelete.First();
 993   while (node)
 994   {
 995     wxObject *obj = (wxObject *)node->Data();
 996
 997     delete obj;
 998
 999     if (wxPendingDelete.Member(obj))
1000       delete node;
1001
1002     // Deleting one object may have deleted other pending
1003     // objects, so start from beginning of list again.
1004     node = wxPendingDelete.First();
1005   }
1006 }
1007
1008 void wxApp::OnEndSession(wxCloseEvent& event)
1009 {
1010     if (GetTopWindow())
1011         GetTopWindow()->Close(TRUE);
1012 }
1013
1014 // Default behaviour: close the application with prompts. The
1015 // user can veto the close, and therefore the end session.
1016 void wxApp::OnQueryEndSession(wxCloseEvent& event)
1017 {
1018     if (GetTopWindow())
1019     {
1020         if (!GetTopWindow()->Close(!event.CanVeto()))
1021             event.Veto(TRUE);
1022     }
1023 }
1024
1025 wxLog* wxApp::CreateLogTarget()
1026 {
1027     return new wxLogGui;
1028 }
1029
1030 wxWindow* wxApp::GetTopWindow() const
1031 {
1032     if (m_topWindow)
1033         return m_topWindow;
1034     else if (wxTopLevelWindows.Number() > 0)
1035         return (wxWindow*) wxTopLevelWindows.First()->Data();
1036     else
1037         return NULL;
1038 }
1039
1040 int wxApp::GetComCtl32Version() const
1041 {
1042     // have we loaded COMCTL32 yet?
1043     HMODULE theModule = ::GetModuleHandle("COMCTL32");
1044     int version = 0;
1045
1046     // if so, then we can check for the version
1047     if (theModule)
1048     {
1049         // InitCommonControlsEx is unique to 4.7 and later
1050         FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
1051
1052         if (! theProc)
1053         {                    // not found, must be 4.00
1054       version = 400;
1055         }
1056         else
1057         {
1058       // The following symbol are unique to 4.71
1059       //   DllInstall
1060       //   FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
1061       //   FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
1062       //   FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
1063       //   FlatSB_ShowScrollBar
1064       //   _DrawIndirectImageList _DuplicateImageList
1065       //   InitializeFlatSB
1066       //   UninitializeFlatSB
1067       // we could check for any of these - I chose DllInstall
1068       FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
1069       if (! theProc)
1070       {
1071         // not found, must be 4.70
1072         version = 470;
1073       }
1074       else
1075       {                         // found, must be 4.71
1076         version = 471;
1077       }
1078         }
1079     }
1080     return version;
1081 }
1082
1083 void wxExit()
1084 {
1085   wxApp::CleanUp();
1086   FatalAppExit(0, "Fatal error: exiting");
1087 }
1088
1089 // Yield to incoming messages
1090 bool wxYield()
1091 {
1092   MSG msg;
1093   // We want to go back to the main message loop
1094   // if we see a WM_QUIT. (?)
1095   while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
1096   {
1097     if ( !wxTheApp->DoMessage() )
1098       break;
1099   }
1100
1101   return TRUE;
1102 }
1103
1104 HINSTANCE wxGetInstance()
1105 {
1106   return wxhInstance;
1107 }
1108
1109 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
1110 // if in a separate file. So include it here to ensure it's linked.
1111 #if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
1112   #include "main.cpp"
1113 #endif