src/os2/app.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.cpp
   3 // Purpose:     wxApp
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/frame.h"
  17     #include "wx/app.h"
  18     #include "wx/utils.h"
  19     #include "wx/gdicmn.h"
  20     #include "wx/pen.h"
  21     #include "wx/brush.h"
  22     #include "wx/cursor.h"
  23     #include "wx/icon.h"
  24     #include "wx/palette.h"
  25     #include "wx/dc.h"
  26     #include "wx/dialog.h"
  27     #include "wx/msgdlg.h"
  28     #include "wx/intl.h"
  29     #include "wx/dynarray.h"
  30     #include "wx/wxchar.h"
  31     #include "wx/icon.h"
  32     #include "wx/timer.h"
  33 #endif
  34
  35 #include "wx/log.h"
  36 #include "wx/module.h"
  37
  38 #include "wx/os2/private.h"
  39
  40 #ifdef __EMX__
  41
  42 #include <sys/ioctl.h>
  43 #include <sys/select.h>
  44
  45 #else
  46
  47 #include <nerrno.h>
  48 #include <sys/ioctl.h>
  49 #include <sys/select.h>
  50 #include <sys/time.h>
  51
  52 #endif //
  53
  54 #ifndef __EMX__
  55
  56 #define select(a,b,c,d,e) bsdselect(a,b,c,d,e)
  57 extern "C" int _System bsdselect(int,
  58                                  struct fd_set *,
  59                                  struct fd_set *,
  60                                  struct fd_set *,
  61                                  struct timeval *);
  62 #endif
  63
  64 #if wxUSE_THREADS
  65     #include "wx/thread.h"
  66
  67     // define the array of QMSG strutures
  68     WX_DECLARE_OBJARRAY(QMSG, wxMsgArray);
  69
  70     #include "wx/arrimpl.cpp"
  71
  72     WX_DEFINE_OBJARRAY(wxMsgArray);
  73 #endif // wxUSE_THREADS
  74
  75 #if wxUSE_WX_RESOURCES
  76     #include "wx/resource.h"
  77 #endif
  78
  79 #if wxUSE_TOOLTIPS
  80     #include "wx/tooltip.h"
  81 #endif // wxUSE_TOOLTIPS
  82
  83 #include <string.h>
  84 #include <ctype.h>
  85
  86 // ---------------------------------------------------------------------------
  87 // global variables
  88 // ---------------------------------------------------------------------------
  89
  90 extern wxChar*                      wxBuffer;
  91 extern wxList*                      wxWinHandleList;
  92 extern wxList WXDLLEXPORT           wxPendingDelete;
  93 extern wxCursor*                    g_globalCursor;
  94
  95 HAB                                 vHabmain = NULLHANDLE;
  96 QMSG                                svCurrentMsg;
  97 wxApp*                              wxTheApp = NULL;
  98
  99
 100 HICON wxSTD_FRAME_ICON          = (HICON) NULL;
 101 HICON wxSTD_MDICHILDFRAME_ICON  = (HICON) NULL;
 102 HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
 103
 104 HICON wxDEFAULT_FRAME_ICON           = (HICON) NULL;
 105 HICON wxDEFAULT_MDICHILDFRAME_ICON   = (HICON) NULL;
 106 HICON wxDEFAULT_MDIPARENTFRAME_ICON  = (HICON) NULL;
 107
 108 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 109
 110 MRESULT EXPENTRY wxWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
 111 MRESULT EXPENTRY wxFrameWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
 112
 113 // ===========================================================================
 114 // implementation
 115 // ===========================================================================
 116
 117 // ---------------------------------------------------------------------------
 118 // helper struct and functions for socket handling
 119 // ---------------------------------------------------------------------------
 120
 121 struct GsocketCallbackInfo{
 122     void (*proc)(void *);
 123     int type;
 124     int handle;
 125     void* gsock;
 126 };
 127
 128 // These defines and wrapper functions are used here and in gsockpm.c
 129 #define wxSockReadMask  0x01
 130 #define wxSockWriteMask 0x02
 131
 132 #ifdef __EMX__
 133 extern "C"
 134 int wxAppAddSocketHandler(int handle, int mask,
 135                            void (*callback)(void*), void * gsock)
 136 {
 137     return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
 138 }
 139 extern "C"
 140 void wxAppRemoveSocketHandler(int handle)
 141 {
 142     wxTheApp->RemoveSocketHandler(handle);
 143 }
 144 #else
 145 //  Linkage mode problems using callbacks with extern C in a .cpp module
 146 int wxAppAddSocketHandler(int handle, int mask,
 147                            void (*callback)(void*), void * gsock)
 148 {
 149     return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
 150 }
 151 void wxAppRemoveSocketHandler(int handle)
 152 {
 153     wxTheApp->RemoveSocketHandler(handle);
 154 }
 155 #endif
 156
 157 void wxApp::HandleSockets()
 158 {
 159     bool pendingEvent = FALSE;
 160
 161     // Check whether it's time for Gsocket operation
 162     if (m_maxSocketHandles > 0 && m_maxSocketNr > 0)
 163     {
 164         fd_set readfds = m_readfds;
 165         fd_set writefds = m_writefds;
 166         struct timeval timeout;
 167         int i;
 168         struct GsocketCallbackInfo
 169           *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
 170         int r = 0;
 171         timeout.tv_sec = 0;
 172         timeout.tv_usec = 0;
 173         if ( select(m_maxSocketNr, &readfds, &writefds, 0, &timeout) > 0)
 174         {
 175             for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle; i++)
 176             {
 177                 if (i == m_maxSocketNr)
 178                     i = 0;
 179                 if (FD_ISSET(i, &readfds))
 180                 {
 181                     int r;
 182                     for (r = 0; r < m_maxSocketHandles; r++){
 183                         if(CallbackInfo[r].handle == i &&
 184                            CallbackInfo[r].type == wxSockReadMask)
 185                             break;
 186                     }
 187                     if (r < m_maxSocketHandles)
 188                     {
 189                         CallbackInfo[r].proc(CallbackInfo[r].gsock);
 190                         pendingEvent = TRUE;
 191                         wxYield();
 192                     }
 193                 }
 194                 if (FD_ISSET(i, &writefds))
 195                 {
 196                     int r;
 197                     for (r = 0; r < m_maxSocketHandles; r++)
 198                         if(CallbackInfo[r].handle == i &&
 199                            CallbackInfo[r].type == wxSockWriteMask)
 200                             break;
 201                     if (r < m_maxSocketHandles)
 202                     {
 203                         CallbackInfo[r].proc(CallbackInfo[r].gsock);
 204                         pendingEvent = TRUE;
 205                         wxYield();
 206                     }
 207                 }
 208             }
 209             m_lastUsedHandle = i;
 210         }
 211         if (pendingEvent)
 212             wxYield();
 213     }
 214 }
 215 // ---------------------------------------------------------------------------
 216 // wxApp
 217 // ---------------------------------------------------------------------------
 218
 219     IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 220
 221     BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 222         EVT_IDLE(wxApp::OnIdle)
 223         EVT_END_SESSION(wxApp::OnEndSession)
 224         EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 225     END_EVENT_TABLE()
 226
 227 //
 228 // Initialize
 229 //
 230 bool wxApp::Initialize(
 231   HAB                               vHab
 232 )
 233 {
 234 #if defined(wxUSE_CONSOLEDEBUG)
 235   #if wxUSE_CONSOLEDEBUG
 236 /***********************************************/
 237 /* Code for using stdout debug                 */
 238 /* To use it you mast link app as "Window" - EK*/
 239 /***********************************************/
 240   {
 241      PPIB pib;
 242      PTIB tib;
 243
 244     printf("In console\n");
 245
 246   DosGetInfoBlocks(&tib, &pib);
 247 /* Try morphing into a PM application. */
 248 //  if(pib->pib_ultype == 2)    /* VIO */
 249     pib->pib_ultype = 3;
 250    }
 251 /**********************************************/
 252 /**********************************************/
 253   #endif //wxUSE_CONSOLEDEBUG
 254 #endif
 255
 256     wxBuffer = new wxChar[1500]; // FIXME; why?
 257
 258     wxClassInfo::InitializeClasses();
 259
 260 #if wxUSE_THREADS
 261     wxPendingEventsLocker = new wxCriticalSection;
 262 #endif
 263
 264     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 265     wxTheColourDatabase->Initialize();
 266
 267     wxInitializeStockLists();
 268     wxInitializeStockObjects();
 269
 270 #if wxUSE_WX_RESOURCES
 271     wxInitializeResourceSystem();
 272 #endif
 273
 274     wxBitmap::InitStandardHandlers();
 275
 276     //
 277     // OS2 has to have an anchorblock
 278     //
 279     vHab = WinInitialize(0);
 280
 281     if (!vHab)
 282         return FALSE;
 283     else
 284         vHabmain = vHab;
 285
 286     // Some people may wish to use this, but
 287     // probably it shouldn't be here by default.
 288 #ifdef __WXDEBUG__
 289     //    wxRedirectIOToConsole();
 290 #endif
 291
 292     wxWinHandleList = new wxList(wxKEY_INTEGER);
 293
 294     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
 295     // PLEASE DO NOT ALTER THIS.
 296 #if !defined(WXMAKINGDLL) && defined(__VISAGECPP__)
 297     extern char wxDummyChar;
 298     if (wxDummyChar) wxDummyChar++;
 299 #endif
 300
 301     // wxSetKeyboardHook(TRUE);
 302
 303     wxModule::RegisterModules();
 304     if (!wxModule::InitializeModules())
 305         return FALSE;
 306     RegisterWindowClasses(vHab);
 307     return TRUE;
 308 } // end of wxApp::Initialize
 309
 310 const char*                         CANTREGISTERCLASS = " Can't register Class ";
 311 // ---------------------------------------------------------------------------
 312 // RegisterWindowClasses
 313 // ---------------------------------------------------------------------------
 314
 315 bool wxApp::RegisterWindowClasses(
 316   HAB                               vHab
 317 )
 318 {
 319     ERRORID                         vError = 0L;
 320     wxString                        sError;
 321
 322     if (!::WinRegisterClass( vHab
 323                             ,wxFrameClassName
 324                             ,wxFrameWndProc
 325                             ,CS_SIZEREDRAW | CS_SYNCPAINT
 326                             ,sizeof(ULONG)
 327                            ))
 328     {
 329         vError = ::WinGetLastError(vHab);
 330         sError = wxPMErrorToStr(vError);
 331         wxLogLastError(sError);
 332         return FALSE;
 333     }
 334
 335     if (!::WinRegisterClass( vHab
 336                             ,wxFrameClassNameNoRedraw
 337                             ,wxWndProc
 338                             ,0
 339                             ,sizeof(ULONG)
 340                            ))
 341     {
 342         vError = ::WinGetLastError(vHab);
 343         sError = wxPMErrorToStr(vError);
 344         wxLogLastError(sError);
 345         return FALSE;
 346     }
 347
 348     if (!::WinRegisterClass( vHab
 349                             ,wxMDIFrameClassName
 350                             ,wxWndProc
 351                             ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT
 352                             ,sizeof(ULONG)
 353                            ))
 354     {
 355         vError = ::WinGetLastError(vHab);
 356         sError = wxPMErrorToStr(vError);
 357         wxLogLastError(sError);
 358         return FALSE;
 359     }
 360
 361     if (!::WinRegisterClass( vHab
 362                             ,wxMDIFrameClassNameNoRedraw
 363                             ,wxWndProc
 364                             ,0
 365                             ,sizeof(ULONG)
 366                            ))
 367     {
 368         vError = ::WinGetLastError(vHab);
 369         sError = wxPMErrorToStr(vError);
 370         wxLogLastError(sError);
 371         return FALSE;
 372     }
 373
 374     if (!::WinRegisterClass( vHab
 375                             ,wxMDIChildFrameClassName
 376                             ,wxWndProc
 377                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST
 378                             ,sizeof(ULONG)
 379                            ))
 380     {
 381         vError = ::WinGetLastError(vHab);
 382         sError = wxPMErrorToStr(vError);
 383         wxLogLastError(sError);
 384         return FALSE;
 385     }
 386
 387     if (!::WinRegisterClass( vHab
 388                             ,wxMDIChildFrameClassNameNoRedraw
 389                             ,wxWndProc
 390                             ,CS_HITTEST
 391                             ,sizeof(ULONG)
 392                            ))
 393     {
 394         vError = ::WinGetLastError(vHab);
 395         sError = wxPMErrorToStr(vError);
 396         wxLogLastError(sError);
 397         return FALSE;
 398     }
 399
 400     if (!::WinRegisterClass( vHab
 401                             ,wxPanelClassName
 402                             ,wxWndProc
 403                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT
 404                             ,sizeof(ULONG)
 405                            ))
 406     {
 407         vError = ::WinGetLastError(vHab);
 408         sError = wxPMErrorToStr(vError);
 409         wxLogLastError(sError);
 410         return FALSE;
 411     }
 412
 413     if (!::WinRegisterClass( vHab
 414                             ,wxCanvasClassName
 415                             ,wxWndProc
 416                             ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT
 417                             ,sizeof(ULONG)
 418                            ))
 419     {
 420         vError = ::WinGetLastError(vHab);
 421         sError = wxPMErrorToStr(vError);
 422         wxLogLastError(sError);
 423         return FALSE;
 424     }
 425     if (!::WinRegisterClass( vHab
 426                             ,wxCanvasClassNameNR
 427                             ,wxWndProc
 428                             ,CS_HITTEST | CS_SYNCPAINT
 429                             ,sizeof(ULONG)
 430                            ))
 431     {
 432         vError = ::WinGetLastError(vHab);
 433         sError = wxPMErrorToStr(vError);
 434         wxLogLastError(sError);
 435         return FALSE;
 436     }
 437     return TRUE;
 438 } // end of wxApp::RegisterWindowClasses
 439
 440 //
 441 // Cleans up any wxWindows internal structures left lying around
 442 //
 443 void wxApp::CleanUp()
 444 {
 445     //
 446     // COMMON CLEANUP
 447     //
 448
 449 #if wxUSE_LOG
 450
 451     //
 452     // Flush the logged messages if any and install a 'safer' log target: the
 453     // default one (wxLogGui) can't be used after the resources are freed just
 454     // below and the user suppliedo ne might be even more unsafe (using any
 455     // wxWindows GUI function is unsafe starting from now)
 456     //
 457     wxLog::DontCreateOnDemand();
 458
 459     //
 460     // This will flush the old messages if any
 461     //
 462     delete wxLog::SetActiveTarget(new wxLogStderr);
 463 #endif // wxUSE_LOG
 464
 465     //
 466     // One last chance for pending objects to be cleaned up
 467     //
 468     wxTheApp->DeletePendingObjects();
 469
 470     wxModule::CleanUpModules();
 471
 472 #if wxUSE_WX_RESOURCES
 473     wxCleanUpResourceSystem();
 474 #endif
 475
 476     wxDeleteStockObjects();
 477
 478     //
 479     // Destroy all GDI lists, etc.
 480     //
 481     wxDeleteStockLists();
 482
 483     delete wxTheColourDatabase;
 484     wxTheColourDatabase = NULL;
 485
 486     wxBitmap::CleanUpHandlers();
 487
 488     delete[] wxBuffer;
 489     wxBuffer = NULL;
 490
 491     //
 492     // PM-SPECIFIC CLEANUP
 493     //
 494
 495     // wxSetKeyboardHook(FALSE);
 496
 497     if (wxSTD_FRAME_ICON)
 498         ::WinFreeFileIcon(wxSTD_FRAME_ICON);
 499     if (wxSTD_MDICHILDFRAME_ICON)
 500         ::WinFreeFileIcon(wxSTD_MDICHILDFRAME_ICON);
 501     if (wxSTD_MDIPARENTFRAME_ICON)
 502         ::WinFreeFileIcon(wxSTD_MDIPARENTFRAME_ICON);
 503
 504     if (wxDEFAULT_FRAME_ICON)
 505         ::WinFreeFileIcon(wxDEFAULT_FRAME_ICON);
 506     if (wxDEFAULT_MDICHILDFRAME_ICON)
 507         ::WinFreeFileIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 508     if (wxDEFAULT_MDIPARENTFRAME_ICON)
 509         ::WinFreeFileIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 510
 511     if ( wxDisableButtonBrush )
 512     {
 513 // TODO:        ::DeleteObject( wxDisableButtonBrush );
 514     }
 515
 516     if (wxWinHandleList)
 517         delete wxWinHandleList;
 518
 519     delete wxPendingEvents;
 520 #if wxUSE_THREADS
 521     delete wxPendingEventsLocker;
 522     // If we don't do the following, we get an apparent memory leak.
 523     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 524 #endif
 525
 526     wxClassInfo::CleanUpClasses();
 527
 528     // Delete Message queue
 529     if (wxTheApp->m_hMq)
 530         ::WinDestroyMsgQueue(wxTheApp->m_hMq);
 531
 532     delete wxTheApp;
 533     wxTheApp = NULL;
 534
 535 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 536     // At this point we want to check if there are any memory
 537     // blocks that aren't part of the wxDebugContext itself,
 538     // as a special case. Then when dumping we need to ignore
 539     // wxDebugContext, too.
 540     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
 541     {
 542         wxLogDebug(wxT("There were memory leaks."));
 543         wxDebugContext::Dump();
 544         wxDebugContext::PrintStatistics();
 545     }
 546     //  wxDebugContext::SetStream(NULL, NULL);
 547 #endif
 548
 549 #if wxUSE_LOG
 550     // do it as the very last thing because everything else can log messages
 551     delete wxLog::SetActiveTarget(NULL);
 552 #endif // wxUSE_LOG
 553 } // end of wxApp::CleanUp
 554
 555 //----------------------------------------------------------------------
 556 // Main wxWindows entry point
 557 //----------------------------------------------------------------------
 558 int wxEntry(
 559   int                               argc
 560 , char*                             argv[]
 561 )
 562 {
 563     HAB                             vHab = 0;
 564
 565     if (!wxApp::Initialize(vHab))
 566         return 0;
 567
 568     //
 569     // create the application object or ensure that one already exists
 570     //
 571     if (!wxTheApp)
 572     {
 573         // The app may have declared a global application object, but we recommend
 574         // the IMPLEMENT_APP macro is used instead, which sets an initializer
 575         // function for delayed, dynamic app object construction.
 576         wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 577                      wxT("No initializer - use IMPLEMENT_APP macro.") );
 578         wxTheApp = (*wxApp::GetInitializerFunction()) ();
 579     }
 580     wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
 581     wxTheApp->argc = argc;
 582
 583 #if wxUSE_UNICODE
 584     wxTheApp->argv = new wxChar*[argc+1];
 585
 586     int                             nArgc = 0;
 587
 588     while (nArgc < argc)
 589     {
 590           wxTheApp->argv[nArgc] = wxStrdup(wxConvLibc.cMB2WX(argv[nArgc]));
 591           nArgc++;
 592     }
 593     wxTheApp->argv[nArgc] = (wxChar *)NULL;
 594 #else
 595     wxTheApp->argv = argv;
 596 #endif
 597
 598     wxString                        sName(wxFileNameFromPath(argv[0]));
 599
 600     wxStripExtension(sName);
 601     wxTheApp->SetAppName(sName);
 602
 603     int                             nRetValue = 0;
 604
 605     if (!wxTheApp->OnInitGui())
 606         nRetValue = -1;
 607
 608     if (nRetValue == 0)
 609     {
 610         if (wxTheApp->OnInit())
 611         {
 612             nRetValue = wxTheApp->OnRun();
 613         }
 614         // Normal exit
 615         wxWindow*                   pTopWindow = wxTheApp->GetTopWindow();
 616         if (pTopWindow)
 617         {
 618             // Forcibly delete the window.
 619             if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 620                 pTopWindow->IsKindOf(CLASSINFO(wxDialog)) )
 621             {
 622                 pTopWindow->Close(TRUE);
 623                 wxTheApp->DeletePendingObjects();
 624             }
 625             else
 626             {
 627                 delete pTopWindow;
 628                 wxTheApp->SetTopWindow(NULL);
 629             }
 630         }
 631     }
 632     else // app initialization failed
 633     {
 634         wxLogLastError(" Gui initialization failed, exitting");
 635     }
 636 #if wxUSE_CONSOLEDEBUG
 637     printf("wxTheApp->OnExit ");
 638     fflush(stdout);
 639 #endif
 640     wxTheApp->OnExit();
 641 #if wxUSE_CONSOLEDEBUG
 642     printf("wxApp::CleanUp ");
 643     fflush(stdout);
 644 #endif
 645     wxApp::CleanUp();
 646 #if wxUSE_CONSOLEDEBUG
 647     printf("return %i ", nRetValue);
 648     fflush(stdout);
 649 #endif
 650     return(nRetValue);
 651 } // end of wxEntry
 652
 653 bool wxApp::OnInitGui()
 654 {
 655     ERRORID                         vError;
 656     wxString                        sError;
 657
 658     if (!wxAppBase::OnInitGui())
 659         return FALSE;
 660
 661     m_hMq = ::WinCreateMsgQueue(vHabmain, 0);
 662     if (!m_hMq)
 663     {
 664         vError = ::WinGetLastError(vHabmain);
 665         sError = wxPMErrorToStr(vError);
 666         wxLogDebug(sError);
 667         return FALSE;
 668     }
 669
 670     return TRUE;
 671 } // end of wxApp::OnInitGui
 672
 673 //
 674 // Static member initialization
 675 //
 676 wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 677
 678 wxApp::wxApp()
 679 {
 680     m_topWindow = NULL;
 681     wxTheApp = this;
 682
 683     argc = 0;
 684     argv = NULL;
 685     m_nPrintMode = wxPRINT_WINDOWS;
 686     m_exitOnFrameDelete = TRUE;
 687     m_bAuto3D = TRUE;
 688     m_hMq = 0;
 689     m_maxSocketHandles = 0;
 690     m_maxSocketNr = 0;
 691     m_sockCallbackInfo = 0;
 692 } // end of wxApp::wxApp
 693
 694 wxApp::~wxApp()
 695 {
 696     //
 697     // Delete command-line args
 698     //
 699 #if wxUSE_UNICODE
 700     int                             i;
 701
 702     for (i = 0; i < argc; i++)
 703     {
 704         delete[] argv[i];
 705     }
 706     delete[] argv;
 707 #endif
 708 } // end of wxApp::~wxApp
 709
 710 bool wxApp::Initialized()
 711 {
 712     if (GetTopWindow())
 713         return TRUE;
 714     else
 715         return FALSE;
 716 } // end of wxApp::Initialized
 717
 718 //
 719 // Get and process a message, returning FALSE if WM_QUIT
 720 // received (and also set the flag telling the app to exit the main loop)
 721 //
 722
 723 bool wxApp::DoMessage()
 724 {
 725     BOOL                            bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0);
 726
 727     if (bRc == 0)
 728     {
 729         // got WM_QUIT
 730         m_bKeepGoing = FALSE;
 731         return FALSE;
 732     }
 733     else if (bRc == -1)
 734     {
 735         // should never happen, but let's test for it nevertheless
 736         wxLogLastError("GetMessage");
 737     }
 738     else
 739     {
 740 #if wxUSE_THREADS
 741         wxASSERT_MSG( wxThread::IsMain()
 742                      ,wxT("only the main thread can process Windows messages")
 743                     );
 744
 745         static bool                 sbHadGuiLock = TRUE;
 746         static wxMsgArray           svSavedMessages;
 747
 748         //
 749         // If a secondary thread owns is doing GUI calls, save all messages for
 750         // later processing - we can't process them right now because it will
 751         // lead to recursive library calls (and we're not reentrant)
 752         //
 753         if (!wxGuiOwnedByMainThread())
 754         {
 755             sbHadGuiLock = FALSE;
 756
 757             //
 758             // Leave out WM_COMMAND messages: too dangerous, sometimes
 759             // the message will be processed twice
 760             //
 761             if ( !wxIsWaitingForThread() ||
 762                     svCurrentMsg.msg != WM_COMMAND )
 763             {
 764                 svSavedMessages.Add(svCurrentMsg);
 765             }
 766             return TRUE;
 767         }
 768         else
 769         {
 770             //
 771             // Have we just regained the GUI lock? if so, post all of the saved
 772             // messages
 773             //
 774             if (!sbHadGuiLock )
 775             {
 776                 sbHadGuiLock = TRUE;
 777
 778                 size_t             nCount = svSavedMessages.Count();
 779
 780                 for (size_t n = 0; n < nCount; n++)
 781                 {
 782                     QMSG            vMsg = svSavedMessages[n];
 783
 784                     DoMessage((WXMSG*)&vMsg);
 785                 }
 786                 svSavedMessages.Empty();
 787             }
 788         }
 789 #endif // wxUSE_THREADS
 790
 791         //
 792         // Process the message
 793         //
 794         DoMessage((WXMSG *)&svCurrentMsg);
 795     }
 796     return TRUE;
 797 } // end of wxApp::DoMessage
 798
 799 void wxApp::DoMessage(
 800   WXMSG*                            pMsg
 801 )
 802 {
 803     if (!ProcessMessage((WXMSG *)&svCurrentMsg))
 804     {
 805         ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
 806     }
 807 } // end of wxApp::DoMessage
 808
 809 //////////////////////////////////////////////////////////////////////////////
 810 //
 811 // Keep trying to process messages until WM_QUIT
 812 // received.
 813 //
 814 // If there are messages to be processed, they will all be
 815 // processed and OnIdle will not be called.
 816 // When there are no more messages, OnIdle is called.
 817 // If OnIdle requests more time,
 818 // it will be repeatedly called so long as there are no pending messages.
 819 // A 'feature' of this is that once OnIdle has decided that no more processing
 820 // is required, then it won't get processing time until further messages
 821 // are processed (it'll sit in DoMessage).
 822 //
 823 //////////////////////////////////////////////////////////////////////////////
 824 int wxApp::MainLoop()
 825 {
 826     m_bKeepGoing = TRUE;
 827
 828     while (m_bKeepGoing)
 829     {
 830 #if wxUSE_THREADS
 831         wxMutexGuiLeaveOrEnter();
 832 #endif // wxUSE_THREADS
 833         while (!Pending() && ProcessIdle())
 834         {
 835             HandleSockets();
 836             wxUsleep(10000);
 837         }
 838         HandleSockets();
 839         if (Pending())
 840             DoMessage();
 841         else
 842             wxUsleep(10000);
 843
 844     }
 845     return (int)svCurrentMsg.mp1;
 846 } // end of wxApp::MainLoop
 847
 848 //
 849 // Returns TRUE if more time is needed.
 850 //
 851 bool wxApp::ProcessIdle()
 852 {
 853     wxIdleEvent                     vEvent;
 854
 855     vEvent.SetEventObject(this);
 856     ProcessEvent(vEvent);
 857     return vEvent.MoreRequested();
 858 } // end of wxApp::ProcessIdle
 859
 860 void wxApp::ExitMainLoop()
 861 {
 862     m_bKeepGoing = FALSE;
 863 }
 864
 865 bool wxApp::Pending()
 866 {
 867     return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);
 868 }
 869
 870 void wxApp::Dispatch()
 871 {
 872     DoMessage();
 873 }
 874
 875 //////////////////////////////////////////////////////////////////////////////
 876 //
 877 // Give all windows a chance to preprocess
 878 // the message. Some may have accelerator tables, or have
 879 // MDI complications.
 880 //
 881 //////////////////////////////////////////////////////////////////////////////
 882 bool wxApp::ProcessMessage(
 883   WXMSG*                            pWxmsg
 884 )
 885 {
 886     QMSG*                           pMsg = (PQMSG)pWxmsg;
 887     HWND                            hWnd = pMsg->hwnd;
 888     wxWindow*                       pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
 889     wxWindow*                       pWnd;
 890
 891     //
 892     // Pass non-system timer messages to the wxTimerProc
 893     //
 894     if (pMsg->msg == WM_TIMER &&
 895         (SHORT1FROMMP(pMsg->mp1) != TID_CURSOR &&
 896          SHORT1FROMMP(pMsg->mp1) != TID_FLASHWINDOW &&
 897          SHORT1FROMMP(pMsg->mp1) != TID_SCROLL &&
 898          SHORT1FROMMP(pMsg->mp1) != 0x0000
 899         ))
 900         wxTimerProc(NULL, 0, (int)pMsg->mp1, 0);
 901
 902     //
 903     // Allow the window to prevent certain messages from being
 904     // translated/processed (this is currently used by wxTextCtrl to always
 905     // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
 906     //
 907     if (pWndThis && !pWndThis->OS2ShouldPreProcessMessage(pWxmsg))
 908     {
 909         return FALSE;
 910     }
 911
 912     //
 913     // For some composite controls (like a combobox), wndThis might be NULL
 914     // because the subcontrol is not a wxWindow, but only the control itself
 915     // is - try to catch this case
 916     //
 917     while (hWnd && !pWndThis)
 918     {
 919         hWnd = ::WinQueryWindow(hWnd, QW_PARENT);
 920         pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
 921     }
 922
 923     //
 924     // Try translations first; find the youngest window with
 925     // a translation table. OS/2 has case sensative accels, so
 926     // this block, coded by BK, removes that and helps make them
 927     // case insensative.
 928     //
 929     if(pMsg->msg == WM_CHAR)
 930     {
 931        PBYTE                        pChmsg = (PBYTE)&(pMsg->msg);
 932        USHORT                       uSch  = CHARMSG(pChmsg)->chr;
 933        bool                         bRc;
 934
 935        //
 936        // Do not process keyup events
 937        //
 938        if(!(CHARMSG(pChmsg)->fs & KC_KEYUP))
 939        {
 940            if((CHARMSG(pChmsg)->fs & (KC_ALT | KC_CTRL)) && CHARMSG(pChmsg)->chr != 0)
 941                 CHARMSG(pChmsg)->chr = (USHORT)wxToupper((UCHAR)uSch);
 942
 943
 944            for(pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent() )
 945            {
 946                if((bRc = pWnd->OS2TranslateMessage(pWxmsg)) == TRUE)
 947                    break;
 948            }
 949
 950             if(!bRc)    // untranslated, should restore original value
 951                 CHARMSG(pChmsg)->chr = uSch;
 952         }
 953     }
 954     //
 955     // Anyone for a non-translation message? Try youngest descendants first.
 956     //
 957 //  for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent())
 958 //  {
 959 //      if (pWnd->OS2ProcessMessage(pWxmsg))
 960 //          return TRUE;
 961 //  }
 962     return FALSE;
 963 } // end of wxApp::ProcessMessage
 964
 965 void wxApp::OnIdle(
 966   wxIdleEvent&                      rEvent
 967 )
 968 {
 969     static bool                     sbInOnIdle = FALSE;
 970
 971     //
 972     // Avoid recursion (via ProcessEvent default case)
 973     //
 974     if (sbInOnIdle)
 975         return;
 976
 977     sbInOnIdle = TRUE;
 978
 979     //
 980     // If there are pending events, we must process them: pending events
 981     // are either events to the threads other than main or events posted
 982     // with wxPostEvent() functions
 983     //
 984     ProcessPendingEvents();
 985
 986     //
 987     // 'Garbage' collection of windows deleted with Close().
 988     //
 989     DeletePendingObjects();
 990
 991 #if wxUSE_LOG
 992     //
 993     // Flush the logged messages if any
 994     //
 995     wxLog::FlushActive();
 996 #endif // wxUSE_LOG
 997
 998 #if wxUSE_DC_CACHEING
 999     // automated DC cache management: clear the cached DCs and bitmap
1000     // if it's likely that the app has finished with them, that is, we
1001     // get an idle event and we're not dragging anything.
1002     if (!::WinGetKeyState(HWND_DESKTOP, VK_BUTTON1) &&
1003         !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON3) &&
1004         !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON2))
1005         wxDC::ClearCache();
1006 #endif // wxUSE_DC_CACHEING
1007
1008     //
1009     // Send OnIdle events to all windows
1010     //
1011     if (SendIdleEvents())
1012     {
1013         //
1014         // SendIdleEvents() returns TRUE if at least one window requested more
1015         // idle events
1016         //
1017         rEvent.RequestMore(TRUE);
1018     }
1019     sbInOnIdle = FALSE;
1020 } // end of wxApp::OnIdle
1021
1022 // Send idle event to all top-level windows
1023 bool wxApp::SendIdleEvents()
1024 {
1025     bool                            bNeedMore = FALSE;
1026     wxWindowList::Node*             pNode = wxTopLevelWindows.GetFirst();
1027
1028     while (pNode)
1029     {
1030         wxWindow*                   pWin = pNode->GetData();
1031
1032         if (SendIdleEvents(pWin))
1033             bNeedMore = TRUE;
1034         pNode = pNode->GetNext();
1035     }
1036     return bNeedMore;
1037 } // end of wxApp::SendIdleEvents
1038
1039 //
1040 // Send idle event to window and all subwindows
1041 //
1042 bool wxApp::SendIdleEvents(
1043   wxWindow*                         pWin
1044 )
1045 {
1046     bool                            bNeedMore = FALSE;
1047     wxIdleEvent                     vEvent;
1048
1049     vEvent.SetEventObject(pWin);
1050     pWin->GetEventHandler()->ProcessEvent(vEvent);
1051
1052     if (vEvent.MoreRequested())
1053         bNeedMore = TRUE;
1054
1055     wxNode*                         pNode = pWin->GetChildren().First();
1056
1057     while (pNode)
1058     {
1059         wxWindow*                   pWin = (wxWindow*) pNode->Data();
1060
1061         if (SendIdleEvents(pWin))
1062             bNeedMore = TRUE;
1063         pNode = pNode->Next();
1064     }
1065     return bNeedMore;
1066 } // end of wxApp::SendIdleEvents
1067
1068 void wxApp::DeletePendingObjects()
1069 {
1070     wxNode*                         pNode = wxPendingDelete.First();
1071
1072     while (pNode)
1073     {
1074         wxObject*                   pObj = (wxObject *)pNode->Data();
1075
1076         delete pObj;
1077
1078         if (wxPendingDelete.Member(pObj))
1079             delete pNode;
1080
1081         //
1082         // Deleting one object may have deleted other pending
1083         // objects, so start from beginning of list again.
1084         //
1085         pNode = wxPendingDelete.First();
1086     }
1087 } // end of wxApp::DeletePendingObjects
1088
1089 void wxApp::OnEndSession(
1090   wxCloseEvent&                     WXUNUSED(rEvent))
1091 {
1092     if (GetTopWindow())
1093         GetTopWindow()->Close(TRUE);
1094 } // end of wxApp::OnEndSession
1095
1096 //
1097 // Default behaviour: close the application with prompts. The
1098 // user can veto the close, and therefore the end session.
1099 //
1100 void wxApp::OnQueryEndSession(
1101   wxCloseEvent&                     rEvent
1102 )
1103 {
1104     if (GetTopWindow())
1105     {
1106         if (!GetTopWindow()->Close(!rEvent.CanVeto()))
1107             rEvent.Veto(TRUE);
1108     }
1109 } // end of wxApp::OnQueryEndSession
1110
1111 void wxExit()
1112 {
1113     wxLogError(_("Fatal error: exiting"));
1114
1115     wxApp::CleanUp();
1116 } // end of wxExit
1117
1118 //
1119 // Yield to incoming messages
1120 //
1121 bool wxApp::Yield(bool onlyIfNeeded)
1122 {
1123     static bool s_inYield = FALSE;
1124
1125     if ( s_inYield )
1126     {
1127         if ( !onlyIfNeeded )
1128         {
1129             wxFAIL_MSG( _T("wxYield() called recursively") );
1130         }
1131
1132         return FALSE;
1133     }
1134
1135     HAB                             vHab = 0;
1136     QMSG                            vMsg;
1137
1138     //
1139     // Disable log flushing from here because a call to wxYield() shouldn't
1140     // normally result in message boxes popping up &c
1141     //
1142     wxLog::Suspend();
1143
1144     s_inYield = TRUE;
1145
1146     //
1147     // We want to go back to the main message loop
1148     // if we see a WM_QUIT. (?)
1149     //
1150     while (::WinPeekMsg(vHab, &vMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && vMsg.msg != WM_QUIT)
1151     {
1152 #if wxUSE_THREADS
1153         wxMutexGuiLeaveOrEnter();
1154 #endif // wxUSE_THREADS
1155         if (!wxTheApp->DoMessage())
1156             break;
1157     }
1158     //
1159     // If they are pending events, we must process them.
1160     //
1161     if (wxTheApp)
1162         wxTheApp->ProcessPendingEvents();
1163
1164     //
1165     // Let the logs be flashed again
1166     //
1167     wxLog::Resume();
1168     s_inYield = FALSE;
1169     return TRUE;
1170 } // end of wxYield
1171
1172 int wxApp::AddSocketHandler(int handle, int mask,
1173                             void (*callback)(void*), void * gsock)
1174 {
1175     int find;
1176     struct GsocketCallbackInfo
1177         *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
1178
1179     for (find = 0; find < m_maxSocketHandles; find++)
1180         if (CallbackInfo[find].handle == -1)
1181             break;
1182     if (find == m_maxSocketHandles)
1183     {
1184         // Allocate new memory
1185         m_sockCallbackInfo = realloc(m_sockCallbackInfo,
1186                                      (m_maxSocketHandles+=10)*
1187                                      sizeof(struct GsocketCallbackInfo));
1188         CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
1189         for (find = m_maxSocketHandles - 10; find < m_maxSocketHandles; find++)
1190             CallbackInfo[find].handle = -1;
1191         find = m_maxSocketHandles - 10;
1192     }
1193     CallbackInfo[find].proc = callback;
1194     CallbackInfo[find].type = mask;
1195     CallbackInfo[find].handle = handle;
1196     CallbackInfo[find].gsock = gsock;
1197     if (mask & wxSockReadMask)
1198         FD_SET(handle, &m_readfds);
1199     if (mask & wxSockWriteMask)
1200         FD_SET(handle, &m_writefds);
1201     if (handle >= m_maxSocketNr)
1202         m_maxSocketNr = handle + 1;
1203     return find;
1204 }
1205
1206 void wxApp::RemoveSocketHandler(int handle)
1207 {
1208     struct GsocketCallbackInfo
1209         *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
1210     if (handle < m_maxSocketHandles)
1211     {
1212         if (CallbackInfo[handle].type & wxSockReadMask)
1213             FD_CLR(CallbackInfo[handle].handle, &m_readfds);
1214         if (CallbackInfo[handle].type & wxSockWriteMask)
1215             FD_CLR(CallbackInfo[handle].handle, &m_writefds);
1216         CallbackInfo[handle].handle = -1;
1217     }
1218 }
1219
1220 //-----------------------------------------------------------------------------
1221 // wxWakeUpIdle
1222 //-----------------------------------------------------------------------------
1223
1224 void wxWakeUpIdle()
1225 {
1226     //
1227     // Send the top window a dummy message so idle handler processing will
1228     // start up again.  Doing it this way ensures that the idle handler
1229     // wakes up in the right thread (see also wxWakeUpMainThread() which does
1230     // the same for the main app thread only)
1231     //
1232     wxWindow*                       pTopWindow = wxTheApp->GetTopWindow();
1233
1234     if (pTopWindow)
1235     {
1236         if ( !::WinPostMsg(GetHwndOf(pTopWindow), WM_NULL, (MPARAM)0, (MPARAM)0))
1237         {
1238             //
1239             // Should never happen
1240             //
1241             wxLogLastError("PostMessage(WM_NULL)");
1242         }
1243     }
1244 } // end of wxWakeUpIdle
1245
1246 HAB wxGetInstance()
1247 {
1248     return vHabmain;
1249 }
1250
1251 void wxSetInstance(
1252   HAB                               vHab
1253 )
1254 {
1255     vHabmain = vHab;
1256 }
1257