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/postscrp.h"
  40 #include "wx/log.h"
  41 #include "wx/module.h"
  42
  43 #if USE_WX_RESOURCES
  44 #include "wx/resource.h"
  45 #endif
  46
  47
  48 #include <string.h>
  49
  50 #if defined(__WIN95__) && !defined(__GNUWIN32__)
  51 #include <commctrl.h>
  52 #endif
  53
  54 // use debug CRT functions for memory leak detections in VC++
  55 /* Doesn't work when using the makefiles, for some reason.
  56 #if defined(__WXDEBUG__) && defined(_MSC_VER)
  57   #include <crtdbg.h>
  58 #endif
  59 */
  60
  61 extern char *wxBuffer;
  62 extern char *wxOsVersion;
  63 extern wxList *wxWinHandleList;
  64 extern wxList wxPendingDelete;
  65 extern void wxSetKeyboardHook(bool doIt);
  66 extern wxCursor *g_globalCursor;
  67
  68 HINSTANCE wxhInstance = 0;
  69 static MSG s_currentMsg;
  70 wxApp *wxTheApp = NULL;
  71
  72 char wxFrameClassName[]         = "wxFrameClass";
  73 char wxMDIFrameClassName[]      = "wxMDIFrameClass";
  74 char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
  75 char wxPanelClassName[]         = "wxPanelClass";
  76 char wxCanvasClassName[]        = "wxCanvasClass";
  77
  78 HICON wxSTD_FRAME_ICON = NULL;
  79 HICON wxSTD_MDICHILDFRAME_ICON = NULL;
  80 HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
  81
  82 HICON wxDEFAULT_FRAME_ICON = NULL;
  83 HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
  84 HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
  85
  86 HBRUSH wxDisableButtonBrush = 0;
  87
  88 LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
  89
  90 #if !USE_SHARED_LIBRARY
  91 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
  92 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
  93     EVT_IDLE(wxApp::OnIdle)
  94 END_EVENT_TABLE()
  95 #endif
  96
  97 long wxApp::sm_lastMessageTime = 0;
  98
  99 #ifdef __WIN95__
 100 static HINSTANCE gs_hRichEdit = NULL;
 101 #endif
 102
 103 bool wxApp::Initialize(WXHINSTANCE instance)
 104 {
 105   HINSTANCE hInstance = (HINSTANCE) instance;
 106
 107   CommonInit();
 108
 109 #if defined(__WIN95__)
 110   InitCommonControls();
 111   gs_hRichEdit = LoadLibrary("RICHED32.DLL");
 112
 113   if (gs_hRichEdit == NULL)
 114   {
 115     wxMessageBox("Could not initialise Rich Edit DLL");
 116   }
 117 #endif
 118
 119 #if     defined(WX_DRAG_DROP)
 120   // we need to initialize OLE library
 121   if ( FAILED(::OleInitialize(NULL)) )
 122     wxFatalError(_("Cannot initialize OLE"));
 123 #endif
 124
 125 #if CTL3D
 126   if (!Ctl3dRegister(hInstance))
 127     wxFatalError("Cannot register CTL3D");
 128
 129   Ctl3dAutoSubclass(hInstance);
 130 #endif
 131
 132   wxSTD_FRAME_ICON = LoadIcon(hInstance, "wxSTD_FRAME");
 133   wxSTD_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDIPARENTFRAME");
 134   wxSTD_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDICHILDFRAME");
 135
 136   wxDEFAULT_FRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_FRAME");
 137   wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDIPARENTFRAME");
 138   wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDICHILDFRAME");
 139
 140   RegisterWindowClasses();
 141
 142   // Create the brush for disabling bitmap buttons
 143
 144   LOGBRUSH lb ;
 145   lb.lbStyle = BS_PATTERN;
 146   lb.lbHatch = (int)LoadBitmap( hInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
 147   wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
 148   ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
 149
 150 #if USE_PENWINDOWS
 151   wxRegisterPenWin();
 152 #endif
 153
 154   wxWinHandleList = new wxList(wxKEY_INTEGER);
 155
 156   // This is to foil optimizations in Visual C++ that
 157   // throw out dummy.obj.
 158 #if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
 159   extern char wxDummyChar;
 160   if (wxDummyChar) wxDummyChar++;
 161 #endif
 162   wxSetKeyboardHook(TRUE);
 163
 164   wxModule::RegisterModules();
 165   if (!wxModule::InitializeModules())
 166     return FALSE;
 167   return TRUE;
 168 }
 169
 170 bool wxApp::RegisterWindowClasses()
 171 {
 172 ///////////////////////////////////////////////////////////////////////
 173 // Register the frame window class.
 174   WNDCLASS wndclass;   // Structure used to register Windows class.
 175
 176   wndclass.style         = CS_HREDRAW | CS_VREDRAW;
 177   wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 178   wndclass.cbClsExtra    = 0;
 179   wndclass.cbWndExtra    = sizeof( DWORD ); // was 4
 180   wndclass.hInstance     = wxhInstance;
 181   wndclass.hIcon         = NULL;        // wxSTD_FRAME_ICON;
 182   wndclass.hCursor       = LoadCursor( NULL, IDC_ARROW );
 183   wndclass.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 184 //  wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
 185   wndclass.lpszMenuName  = NULL;
 186 #ifdef _MULTIPLE_INSTANCES
 187   sprintf( wxFrameClassName,"wxFrameClass%d", hInstance );
 188 #endif
 189   wndclass.lpszClassName = wxFrameClassName;
 190
 191   if (!RegisterClass( &wndclass ))
 192   {
 193     // wxFatalError("Can't register Frame Window class");
 194   }
 195
 196 ///////////////////////////////////////////////////////////////////////
 197 // Register the MDI frame window class.
 198   WNDCLASS wndclass1;   // Structure used to register Windows class.
 199
 200   wndclass1.style         = CS_HREDRAW | CS_VREDRAW;
 201   wndclass1.lpfnWndProc   = (WNDPROC)wxWndProc;
 202   wndclass1.cbClsExtra    = 0;
 203   wndclass1.cbWndExtra    = sizeof( DWORD ); // was 4
 204   wndclass1.hInstance     = wxhInstance;
 205   wndclass1.hIcon         = NULL; // wxSTD_MDIPARENTFRAME_ICON;
 206   wndclass1.hCursor       = LoadCursor( NULL, IDC_ARROW );
 207 //  wndclass1.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
 208   wndclass1.hbrBackground = NULL;
 209   wndclass1.lpszMenuName  = NULL;
 210
 211   wndclass1.lpszClassName = wxMDIFrameClassName;
 212   if (!RegisterClass( &wndclass1 ))
 213   {
 214 //    wxFatalError("Can't register MDI Frame window class");
 215 //      return FALSE;
 216   }
 217
 218 ///////////////////////////////////////////////////////////////////////
 219 // Register the MDI child frame window class.
 220   WNDCLASS wndclass4;   // Structure used to register Windows class.
 221
 222   wndclass4.style         = CS_HREDRAW | CS_VREDRAW;
 223   wndclass4.lpfnWndProc   = (WNDPROC)wxWndProc;
 224   wndclass4.cbClsExtra    = 0;
 225   wndclass4.cbWndExtra    = sizeof( DWORD ); // was 4
 226   wndclass4.hInstance     = wxhInstance;
 227   wndclass4.hIcon         = NULL;       // wxSTD_MDICHILDFRAME_ICON;
 228   wndclass4.hCursor       = LoadCursor( NULL, IDC_ARROW );
 229   // TODO: perhaps this should be NULL so that Windows doesn't
 230   // paint the background itself (would OnEraseBackground duplicate
 231   // this?)
 232   wndclass4.hbrBackground =  (HBRUSH)(COLOR_WINDOW+1) ;
 233 //  wndclass4.hbrBackground = NULL;
 234   wndclass4.lpszMenuName  = NULL;
 235   wndclass4.lpszClassName = wxMDIChildFrameClassName;
 236
 237   if (!RegisterClass( &wndclass4 ))
 238   {
 239 //   wxFatalError("Can't register MDI child frame window class");
 240 //   return FALSE;
 241   }
 242
 243 ///////////////////////////////////////////////////////////////////////
 244 // Register the panel window class.
 245   WNDCLASS wndclass2;   // Structure used to register Windows class.
 246   memset(&wndclass2, 0, sizeof(WNDCLASS));   // start with NULL defaults
 247   // Use CS_OWNDC to avoid messing about restoring the context
 248   // for every graphic operation.
 249   wndclass2.style         = CS_HREDRAW | CS_VREDRAW;
 250   wndclass2.lpfnWndProc   = (WNDPROC)wxWndProc;
 251   wndclass2.cbClsExtra    = 0;
 252   wndclass2.cbWndExtra    = sizeof( DWORD ); // was 4
 253   wndclass2.hInstance     = wxhInstance;
 254   wndclass2.hIcon         = NULL;
 255   wndclass2.hCursor       = NULL;
 256 //  wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
 257   wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
 258   wndclass2.lpszMenuName  = NULL;
 259   wndclass2.lpszClassName = wxPanelClassName;
 260   if (!RegisterClass( &wndclass2 ))
 261   {
 262 //   wxFatalError("Can't register Panel Window class");
 263 //   return FALSE;
 264   }
 265
 266 ///////////////////////////////////////////////////////////////////////
 267 // Register the canvas and textsubwindow class name
 268   WNDCLASS wndclass3;   // Structure used to register Windows class.
 269   memset(&wndclass3, 0, sizeof(WNDCLASS));   // start with NULL defaults
 270   // Use CS_OWNDC to avoid messing about restoring the context
 271   // for every graphic operation.
 272 //  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
 273   // wxWin 2.0
 274   wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
 275   wndclass3.lpfnWndProc   = (WNDPROC)wxWndProc;
 276   wndclass3.cbClsExtra    = 0;
 277   wndclass3.cbWndExtra    = sizeof( DWORD ); // was 4
 278   wndclass3.hInstance     = wxhInstance;
 279   wndclass3.hIcon         = NULL;
 280   wndclass3.hCursor       = NULL;
 281 //  wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
 282   wndclass3.hbrBackground = NULL;
 283   wndclass3.lpszMenuName  = NULL;
 284   wndclass3.lpszClassName = wxCanvasClassName;
 285   if (!RegisterClass( &wndclass3))
 286   {
 287 //   wxFatalError("Can't register Canvas class");
 288 //   return FALSE;
 289   }
 290
 291   return TRUE;
 292 }
 293
 294 // Cleans up any wxWindows internal structures left lying around
 295 void wxApp::CleanUp()
 296 {
 297   wxModule::CleanUpModules();
 298
 299   CommonCleanUp();
 300
 301   wxSetKeyboardHook(FALSE);
 302
 303 #ifdef __WIN95__
 304   if (gs_hRichEdit != NULL)
 305     FreeLibrary(gs_hRichEdit);
 306 #endif
 307
 308 #if USE_PENWINDOWS
 309   wxCleanUpPenWin();
 310 #endif
 311
 312   if (wxSTD_FRAME_ICON)
 313     DestroyIcon(wxSTD_FRAME_ICON);
 314   if (wxSTD_MDICHILDFRAME_ICON)
 315     DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
 316   if (wxSTD_MDIPARENTFRAME_ICON)
 317     DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
 318
 319   if (wxDEFAULT_FRAME_ICON)
 320     DestroyIcon(wxDEFAULT_FRAME_ICON);
 321   if (wxDEFAULT_MDICHILDFRAME_ICON)
 322     DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 323   if (wxDEFAULT_MDIPARENTFRAME_ICON)
 324     DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 325
 326   if ( wxDisableButtonBrush )
 327     ::DeleteObject( wxDisableButtonBrush ) ;
 328
 329 #if     defined(WX_DRAG_DROP)
 330   ::OleUninitialize();
 331 #endif
 332
 333 #if CTL3D
 334   Ctl3dUnregister(wxhInstance);
 335 #endif
 336
 337   if (wxWinHandleList)
 338     delete wxWinHandleList ;
 339
 340   wxClassInfo::CleanUpClasses();
 341
 342   // do it as the very last thing because everything else can log messages
 343   wxLog::DontCreateOnDemand();
 344   delete wxLog::SetActiveTarget(NULL);
 345 }
 346
 347 void wxApp::CommonInit()
 348 {
 349 #ifdef __WXMSW__
 350   wxBuffer = new char[1500];
 351 #else
 352   wxBuffer = new char[BUFSIZ + 512];
 353 #endif
 354
 355   wxClassInfo::InitializeClasses();
 356
 357 #if USE_RESOURCES
 358   wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
 359 #endif
 360
 361   wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 362   wxTheColourDatabase->Initialize();
 363
 364   wxInitializeStockLists();
 365   wxInitializeStockObjects();
 366
 367 #if USE_WX_RESOURCES
 368   wxInitializeResourceSystem();
 369 #endif
 370
 371   // For PostScript printing
 372 #if USE_POSTSCRIPT
 373   wxInitializePrintSetupData();
 374   wxThePrintPaperDatabase = new wxPrintPaperDatabase;
 375   wxThePrintPaperDatabase->CreateDatabase();
 376 #endif
 377
 378   wxBitmap::InitStandardHandlers();
 379
 380   g_globalCursor = new wxCursor;
 381 }
 382
 383 void wxApp::CommonCleanUp()
 384 {
 385 #if USE_WX_RESOURCES
 386   wxCleanUpResourceSystem();
 387
 388 //  wxDefaultResourceTable->ClearTable();
 389 #endif
 390
 391   // Indicate that the cursor can be freed,
 392   // so that cursor won't be deleted by deleting
 393   // the bitmap list before g_globalCursor goes out
 394   // of scope (double deletion of the cursor).
 395   wxSetCursor(wxNullCursor);
 396   delete g_globalCursor;
 397
 398   wxDeleteStockObjects() ;
 399
 400   // Destroy all GDI lists, etc.
 401   wxDeleteStockLists();
 402
 403   delete wxTheColourDatabase;
 404   wxTheColourDatabase = NULL;
 405
 406 #if USE_POSTSCRIPT
 407   wxInitializePrintSetupData(FALSE);
 408   delete wxThePrintPaperDatabase;
 409   wxThePrintPaperDatabase = NULL;
 410 #endif
 411
 412   wxBitmap::CleanUpHandlers();
 413
 414   delete[] wxBuffer;
 415   wxBuffer = NULL;
 416 }
 417
 418 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 419
 420 // Main wxWindows entry point
 421
 422 int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *m_lpCmdLine,
 423                     int nCmdShow, bool enterLoop)
 424 {
 425   wxhInstance = (HINSTANCE) hInstance;
 426
 427 /* Doesn't work when using the makefiles, for some reason.
 428   #if defined(__WXDEBUG__) && defined(_MSC_VER)
 429     // do check for memory leaks on program exit
 430     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
 431     //  deallocated memory which may be used to simulate low-memory condition)
 432     _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
 433   #endif // debug build under MS VC++
 434 */
 435
 436 #if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
 437
 438 #if !defined(_WINDLL)
 439   streambuf* sBuf = new wxDebugStreamBuf;
 440 #else
 441   streambuf* sBuf = NULL;
 442 #endif
 443   ostream* oStr = new ostream(sBuf) ;
 444   wxDebugContext::SetStream(oStr, sBuf);
 445
 446 #endif  // USE_MEMORY_TRACING
 447
 448   if (!wxApp::Initialize((WXHINSTANCE) wxhInstance))
 449     return 0;
 450
 451   // The app may have declared a global application object, but we recommend
 452   // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 453   // for delayed, dynamic app object construction.
 454   if (!wxTheApp)
 455   {
 456         if (!wxApp::GetInitializerFunction())
 457         {
 458         MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 459                 return 0;
 460         }
 461
 462         wxTheApp = (* wxApp::GetInitializerFunction()) ();
 463   }
 464
 465   if (!wxTheApp) {
 466     MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 467     return 0;
 468   }
 469
 470   // Split command line into tokens, as in usual main(argc, argv)
 471   char **command = new char*[50];
 472
 473   int count = 0;
 474   char *buf = new char[strlen(m_lpCmdLine) + 1];
 475
 476   // Hangs around until end of app. in case
 477   // user carries pointers to the tokens
 478
 479   /* Model independent strcpy */
 480   int i;
 481   for (i = 0; (buf[i] = m_lpCmdLine[i]) != 0; i++)
 482   {
 483     /* loop */;
 484   }
 485
 486   // Get application name
 487   char name[200];
 488   ::GetModuleFileName(wxhInstance, name, 199);
 489
 490   // Is it only 16-bit Borland that already copies the program name
 491   // to the first argv index?
 492 #if !defined(__GNUWIN32__)
 493 // #if ! (defined(__BORLANDC__) && !defined(__WIN32__))
 494   command[count++] = copystring(name);
 495 // #endif
 496 #endif
 497
 498   strcpy(name, wxFileNameFromPath(name));
 499   wxStripExtension(name);
 500   wxTheApp->SetAppName(name);
 501
 502   /* Break up string */
 503   // Treat strings enclosed in double-quotes as single arguments
 504     char* str = buf;
 505         while (*str)
 506         {
 507                 while (*str && *str <= ' ') str++;      // skip whitespace
 508                 if (*str == '"')
 509                 {
 510                         str++;
 511                         command[count++] = str;
 512                         while (*str && *str != '"') str++;
 513                 }
 514                 else if (*str)
 515                 {
 516                         command[count++] = str;
 517                         while (*str && *str > ' ') str++;
 518                 }
 519                 if (*str) *str++ = '\0';
 520         }
 521   command[count] = NULL; /* argv[] is NULL terminated list! */
 522
 523   wxTheApp->argc = count;
 524   wxTheApp->argv = command;
 525   wxTheApp->m_nCmdShow = nCmdShow;
 526
 527   // GUI-specific initialisation. In fact on Windows we don't have any,
 528   // but this call is provided for compatibility across platforms.
 529   wxTheApp->OnInitGui() ;
 530
 531   if (!wxTheApp->OnInit())
 532   {
 533         wxTheApp->DeletePendingObjects();
 534         wxTheApp->OnExit();
 535         wxApp::CleanUp();
 536
 537         delete wxTheApp;
 538         wxTheApp = NULL;
 539
 540         delete [] buf ;
 541
 542         // TODO: This should really be cleaned up in ~wxApp
 543         delete [] command[0] ;
 544         delete [] command ;
 545             return 0;
 546   }
 547
 548   if (!enterLoop)
 549         return 0;
 550
 551   int retValue = 1;
 552
 553 /* New behaviour - leave it to the app to show the top window
 554   if (wxTheApp->GetTopWindow()) {
 555     // show the toplevel frame, only if we are not iconized (from MS-Windows)
 556     if(wxTheApp->GetShowFrameOnInit() && (nCmdShow!=SW_HIDE)) wxTheApp->GetTopWindow()->Show(TRUE);
 557   }
 558 */
 559
 560   retValue = wxTheApp->OnRun();
 561
 562   if (wxTheApp->GetTopWindow())
 563   {
 564     // Forcibly delete the window.
 565         if (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
 566             wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog)))
 567         {
 568         wxTheApp->GetTopWindow()->Close(TRUE);
 569         wxTheApp->DeletePendingObjects();
 570         }
 571         else
 572         {
 573                 delete wxTheApp->GetTopWindow();
 574                 wxTheApp->SetTopWindow(NULL);
 575         }
 576   }
 577
 578   wxTheApp->OnExit();
 579   wxApp::CleanUp();
 580
 581   delete wxTheApp;
 582   wxTheApp = NULL;
 583
 584   delete [] buf ;
 585   delete [] command[0] ;
 586   delete [] command ;
 587
 588 #if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
 589   // At this point we want to check if there are any memory
 590   // blocks that aren't part of the wxDebugContext itself,
 591   // as a special case. Then when dumping we need to ignore
 592   // wxDebugContext, too.
 593   if (wxDebugContext::CountObjectsLeft() > 0)
 594   {
 595     wxTrace("There were memory leaks.\n");
 596     wxDebugContext::Dump();
 597     wxDebugContext::PrintStatistics();
 598   }
 599   wxDebugContext::SetStream(NULL, NULL);
 600 #endif
 601
 602   return retValue;
 603 }
 604
 605 #else /*  _WINDLL  */
 606
 607 int wxEntry(WXHINSTANCE hInstance)
 608 {
 609   wxhInstance = (HINSTANCE) hInstance;
 610   wxApp::Initialize((WXHINSTANCE) wxhInstance);
 611
 612   // The app may have declared a global application object, but we recommend
 613   // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 614   // for delayed, dynamic app object construction.
 615
 616   if (!wxTheApp)
 617   {
 618         if (!wxApp::GetInitializerFunction())
 619         {
 620         MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 621                 return 0;
 622         }
 623
 624         wxTheApp = (* wxApp::GetInitializerFunction()) ();
 625   }
 626
 627   if (!wxTheApp) {
 628     MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
 629     return 0;
 630   }
 631
 632   wxTheApp->argc = 0;
 633   wxTheApp->argv = NULL;
 634
 635   wxTheApp->OnInitGui();
 636
 637   wxTheApp->OnInit();
 638
 639   if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
 640     wxTheApp->GetTopWindow()->Show(TRUE);
 641   }
 642
 643   return 1;
 644 }
 645 #endif // _WINDLL
 646
 647 // Static member initialization
 648 wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
 649
 650 wxApp::wxApp()
 651 {
 652   m_topWindow = NULL;
 653   wxTheApp = this;
 654 //  work_proc = NULL ;
 655   m_className = "";
 656 //  m_resourceCollection = TRUE;
 657 //  m_pendingCleanup = FALSE;
 658   m_wantDebugOutput = TRUE ;
 659   m_appName = "";
 660   argc = 0;
 661   argv = NULL;
 662 #ifdef __WXMSW__
 663   m_printMode = wxPRINT_WINDOWS;
 664 #else
 665   m_printMode = wxPRINT_POSTSCRIPT;
 666 #endif
 667   m_exitOnFrameDelete = TRUE;
 668   m_auto3D = TRUE;
 669 }
 670
 671 bool wxApp::Initialized()
 672 {
 673 #ifndef _WINDLL
 674   if (GetTopWindow())
 675     return TRUE;
 676   else
 677     return FALSE;
 678 #endif
 679 #ifdef _WINDLL // Assume initialized if DLL (no way of telling)
 680   return TRUE;
 681 #endif
 682 }
 683
 684 /*
 685  * Get and process a message, returning FALSE if WM_QUIT
 686  * received.
 687  *
 688  */
 689 bool wxApp::DoMessage()
 690 {
 691   if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
 692   {
 693     return FALSE;
 694   }
 695
 696   // Process the message
 697   if (!ProcessMessage((WXMSG *)&s_currentMsg))
 698   {
 699     ::TranslateMessage(&s_currentMsg);
 700     wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
 701     ::DispatchMessage(&s_currentMsg);
 702   }
 703   return TRUE;
 704 }
 705
 706 /*
 707  * Keep trying to process messages until WM_QUIT
 708  * received.
 709  *
 710  * If there are messages to be processed, they will all be
 711  * processed and OnIdle will not be called.
 712  * When there are no more messages, OnIdle is called.
 713  * If OnIdle requests more time,
 714  * it will be repeatedly called so long as there are no pending messages.
 715  * A 'feature' of this is that once OnIdle has decided that no more processing
 716  * is required, then it won't get processing time until further messages
 717  * are processed (it'll sit in DoMessage).
 718  */
 719
 720 int wxApp::MainLoop()
 721 {
 722   m_keepGoing = TRUE;
 723   while (m_keepGoing)
 724   {
 725     while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
 726            ProcessIdle()) {}
 727     if (!DoMessage())
 728       m_keepGoing = FALSE;
 729   }
 730
 731   return s_currentMsg.wParam;
 732 }
 733
 734 // Returns TRUE if more time is needed.
 735 bool wxApp::ProcessIdle()
 736 {
 737     wxIdleEvent event;
 738     event.SetEventObject(this);
 739     ProcessEvent(event);
 740
 741     return event.MoreRequested();
 742 }
 743
 744 void wxApp::ExitMainLoop()
 745 {
 746   m_keepGoing = FALSE;
 747 }
 748
 749 bool wxApp::Pending()
 750 {
 751   return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
 752 }
 753
 754 void wxApp::Dispatch()
 755 {
 756     if (!DoMessage())
 757       m_keepGoing = FALSE;
 758 }
 759
 760 /*
 761  * Give all windows a chance to preprocess
 762  * the message. Some may have accelerator tables, or have
 763  * MDI complications.
 764  */
 765 bool wxApp::ProcessMessage(WXMSG *Msg)
 766 {
 767   MSG *msg = (MSG *)Msg;
 768
 769   HWND hWnd;
 770
 771   // Try translations first; find the youngest window with
 772   // a translation table.
 773   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 774   {
 775     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 776     if (wnd)
 777     {
 778        if (wnd->MSWTranslateMessage(Msg))
 779          return TRUE;
 780     }
 781   }
 782
 783   // Anyone for a non-translation message? Try youngest descendants first.
 784   for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
 785   {
 786     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
 787     if (wnd)
 788     {
 789        if (wnd->MSWProcessMessage(Msg))
 790          return TRUE;
 791     }
 792   }
 793   return FALSE;
 794 }
 795
 796 void wxApp::OnIdle(wxIdleEvent& event)
 797 {
 798   static bool inOnIdle = FALSE;
 799
 800   // Avoid recursion (via ProcessEvent default case)
 801   if (inOnIdle)
 802     return;
 803
 804   inOnIdle = TRUE;
 805
 806   // 'Garbage' collection of windows deleted with Close().
 807   DeletePendingObjects();
 808
 809   // flush the logged messages if any
 810   wxLog *pLog = wxLog::GetActiveTarget();
 811   if ( pLog != NULL && pLog->HasPendingMessages() )
 812     pLog->Flush();
 813
 814   // Send OnIdle events to all windows
 815   bool needMore = SendIdleEvents();
 816 //  bool needMore = FALSE;
 817
 818   if (needMore)
 819     event.RequestMore(TRUE);
 820
 821   inOnIdle = FALSE;
 822 }
 823
 824 // Send idle event to all top-level windows
 825 bool wxApp::SendIdleEvents()
 826 {
 827     bool needMore = FALSE;
 828         wxNode* node = wxTopLevelWindows.First();
 829         while (node)
 830         {
 831                 wxWindow* win = (wxWindow*) node->Data();
 832                 if (SendIdleEvents(win))
 833             needMore = TRUE;
 834
 835                 node = node->Next();
 836         }
 837     return needMore;
 838 }
 839
 840 // Send idle event to window and all subwindows
 841 bool wxApp::SendIdleEvents(wxWindow* win)
 842 {
 843     bool needMore = FALSE;
 844
 845         wxIdleEvent event;
 846         event.SetEventObject(win);
 847         win->ProcessEvent(event);
 848
 849     if (event.MoreRequested())
 850         needMore = TRUE;
 851
 852         wxNode* node = win->GetChildren()->First();
 853         while (node)
 854         {
 855                 wxWindow* win = (wxWindow*) node->Data();
 856                 if (SendIdleEvents(win))
 857             needMore = TRUE;
 858
 859                 node = node->Next();
 860         }
 861     return needMore ;
 862 }
 863
 864 void wxApp::DeletePendingObjects()
 865 {
 866   wxNode *node = wxPendingDelete.First();
 867   while (node)
 868   {
 869     wxObject *obj = (wxObject *)node->Data();
 870
 871     delete obj;
 872
 873     if (wxPendingDelete.Member(obj))
 874       delete node;
 875
 876     // Deleting one object may have deleted other pending
 877     // objects, so start from beginning of list again.
 878     node = wxPendingDelete.First();
 879   }
 880 }
 881
 882 /*
 883 // Free up font objects that are not being used at present.
 884 bool wxApp::DoResourceCleanup()
 885 {
 886 //  wxDebugMsg("ResourceCleanup\n");
 887
 888   if (wxTheFontList)
 889   {
 890     wxNode *node = wxTheFontList->First();
 891     while (node)
 892     {
 893       wxGDIObject *obj = (wxGDIObject *)node->Data();
 894       if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
 895       {
 896 //        wxDebugMsg("Freeing font %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
 897         obj->FreeResource();
 898       }
 899       node = node->Next();
 900     }
 901   }
 902   if (wxThePenList)
 903   {
 904     wxNode *node = wxThePenList->First();
 905     while (node)
 906     {
 907       wxGDIObject *obj = (wxGDIObject *)node->Data();
 908       if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
 909       {
 910 //        wxDebugMsg("Freeing pen %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
 911         obj->FreeResource();
 912       }
 913       node = node->Next();
 914     }
 915   }
 916   if (wxTheBrushList)
 917   {
 918     wxNode *node = wxTheBrushList->First();
 919     while (node)
 920     {
 921       wxGDIObject *obj = (wxGDIObject *)node->Data();
 922       if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
 923       {
 924 //        wxDebugMsg("Freeing brush %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
 925         obj->FreeResource();
 926       }
 927       node = node->Next();
 928     }
 929   }
 930
 931   SetPendingCleanup(FALSE);
 932   return FALSE;
 933 }
 934 */
 935
 936 wxLog* wxApp::CreateLogTarget()
 937 {
 938     return new wxLogGui;
 939 }
 940
 941 wxWindow* wxApp::GetTopWindow() const
 942 {
 943     if (m_topWindow)
 944         return m_topWindow;
 945     else if (wxTopLevelWindows.Number() > 0)
 946         return (wxWindow*) wxTopLevelWindows.First()->Data();
 947     else
 948         return NULL;
 949 }
 950
 951 int wxApp::GetComCtl32Version() const
 952 {
 953     // have we loaded COMCTL32 yet?
 954     HMODULE theModule = ::GetModuleHandle("COMCTL32");
 955     int version = 0;
 956
 957     // if so, then we can check for the version
 958     if (theModule)
 959     {
 960         // InitCommonControlsEx is unique to 4.7 and later
 961         FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
 962
 963         if (! theProc)
 964         {                    // not found, must be 4.00
 965                         version = 400;
 966         }
 967         else
 968         {
 969                         // The following symbol are unique to 4.71
 970                         //   DllInstall
 971                         //   FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
 972                         //   FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
 973                         //   FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
 974                         //   FlatSB_ShowScrollBar
 975                         //   _DrawIndirectImageList _DuplicateImageList
 976                         //   InitializeFlatSB
 977                         //   UninitializeFlatSB
 978                         // we could check for any of these - I chose DllInstall
 979                         FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
 980                         if (! theProc)
 981                         {
 982                                 // not found, must be 4.70
 983                                 version = 470;
 984                         }
 985                         else
 986                         {                         // found, must be 4.71
 987                                 version = 471;
 988                         }
 989         }
 990     }
 991     return version;
 992 }
 993
 994 void wxExit()
 995 {
 996   wxApp::CleanUp();
 997   FatalAppExit(0, "Fatal error: exiting");
 998 }
 999
1000 // Yield to incoming messages
1001 bool wxYield()
1002 {
1003   MSG msg;
1004   // We want to go back to the main message loop
1005   // if we see a WM_QUIT. (?)
1006   while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
1007   {
1008     if (!wxTheApp->DoMessage())
1009       break;
1010   }
1011
1012   return TRUE;
1013 }
1014
1015 HINSTANCE wxGetInstance()
1016 {
1017         return wxhInstance;
1018 }
1019
1020 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
1021 // if in a separate file. So include it here to ensure it's linked.
1022 #if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
1023 #include "main.cpp"
1024 #endif
1025