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 #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 #ifndef WX_PRECOMP
  20     #include "wx/frame.h"
  21     #include "wx/app.h"
  22     #include "wx/utils.h"
  23     #include "wx/gdicmn.h"
  24     #include "wx/pen.h"
  25     #include "wx/brush.h"
  26     #include "wx/cursor.h"
  27     #include "wx/icon.h"
  28     #include "wx/palette.h"
  29     #include "wx/dc.h"
  30     #include "wx/dialog.h"
  31     #include "wx/msgdlg.h"
  32     #include "wx/intl.h"
  33     #include "wx/dynarray.h"
  34     #include "wx/wxchar.h"
  35     #include "wx/icon.h"
  36     #include "wx/timer.h"
  37 #endif
  38
  39 #include "wx/log.h"
  40 #include "wx/module.h"
  41
  42 #include "wx/os2/private.h"
  43
  44 #ifdef __EMX__
  45
  46 #include <sys/ioctl.h>
  47 #include <sys/select.h>
  48
  49 #else
  50
  51 #include <nerrno.h>
  52 #include <sys/ioctl.h>
  53 #include <sys/select.h>
  54 #include <sys/time.h>
  55
  56 #endif //
  57
  58 #ifndef __EMX__
  59
  60 #define select(a,b,c,d,e) bsdselect(a,b,c,d,e)
  61 extern "C" int _System bsdselect(int,
  62                                  struct fd_set *,
  63                                  struct fd_set *,
  64                                  struct fd_set *,
  65                                  struct timeval *);
  66 #endif
  67
  68 #if wxUSE_THREADS
  69     #include "wx/thread.h"
  70
  71     // define the array of QMSG strutures
  72     WX_DECLARE_OBJARRAY(QMSG, wxMsgArray);
  73
  74     #include "wx/arrimpl.cpp"
  75
  76     WX_DEFINE_OBJARRAY(wxMsgArray);
  77 #endif // wxUSE_THREADS
  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
  98
  99 HICON wxSTD_FRAME_ICON          = (HICON) NULL;
 100 HICON wxSTD_MDICHILDFRAME_ICON  = (HICON) NULL;
 101 HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
 102
 103 HICON wxDEFAULT_FRAME_ICON           = (HICON) NULL;
 104 HICON wxDEFAULT_MDICHILDFRAME_ICON   = (HICON) NULL;
 105 HICON wxDEFAULT_MDIPARENTFRAME_ICON  = (HICON) NULL;
 106
 107 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 108
 109 MRESULT EXPENTRY wxWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
 110 MRESULT EXPENTRY wxFrameWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
 111
 112 // ===========================================================================
 113 // implementation
 114 // ===========================================================================
 115
 116 // ---------------------------------------------------------------------------
 117 // helper struct and functions for socket handling
 118 // ---------------------------------------------------------------------------
 119
 120 struct GsocketCallbackInfo{
 121     void (*proc)(void *);
 122     int type;
 123     int handle;
 124     void* gsock;
 125 };
 126
 127 // These defines and wrapper functions are used here and in gsockpm.c
 128 #define wxSockReadMask  0x01
 129 #define wxSockWriteMask 0x02
 130
 131 #ifdef __EMX__
 132 extern "C"
 133 int wxAppAddSocketHandler(int handle, int mask,
 134                            void (*callback)(void*), void * gsock)
 135 {
 136     return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
 137 }
 138 extern "C"
 139 void wxAppRemoveSocketHandler(int handle)
 140 {
 141     wxTheApp->RemoveSocketHandler(handle);
 142 }
 143 #else
 144 //  Linkage mode problems using callbacks with extern C in a .cpp module
 145 int wxAppAddSocketHandler(int handle, int mask,
 146                            void (*callback)(void*), void * gsock)
 147 {
 148     return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
 149 }
 150 void wxAppRemoveSocketHandler(int handle)
 151 {
 152     wxTheApp->RemoveSocketHandler(handle);
 153 }
 154 #endif
 155
 156 void wxApp::HandleSockets()
 157 {
 158     bool pendingEvent = FALSE;
 159
 160     // Check whether it's time for Gsocket operation
 161     if (m_maxSocketHandles > 0 && m_maxSocketNr > 0)
 162     {
 163         fd_set readfds = m_readfds;
 164         fd_set writefds = m_writefds;
 165         struct timeval timeout;
 166         int i;
 167         struct GsocketCallbackInfo
 168           *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
 169         int r = 0;
 170         timeout.tv_sec = 0;
 171         timeout.tv_usec = 0;
 172         if ( select(m_maxSocketNr, &readfds, &writefds, 0, &timeout) > 0)
 173         {
 174             for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle; i++)
 175             {
 176                 if (i == m_maxSocketNr)
 177                     i = 0;
 178                 if (FD_ISSET(i, &readfds))
 179                 {
 180                     int r;
 181                     for (r = 0; r < m_maxSocketHandles; r++){
 182                         if(CallbackInfo[r].handle == i &&
 183                            CallbackInfo[r].type == wxSockReadMask)
 184                             break;
 185                     }
 186                     if (r < m_maxSocketHandles)
 187                     {
 188                         CallbackInfo[r].proc(CallbackInfo[r].gsock);
 189                         pendingEvent = TRUE;
 190                         wxYield();
 191                     }
 192                 }
 193                 if (FD_ISSET(i, &writefds))
 194                 {
 195                     int r;
 196                     for (r = 0; r < m_maxSocketHandles; r++)
 197                         if(CallbackInfo[r].handle == i &&
 198                            CallbackInfo[r].type == wxSockWriteMask)
 199                             break;
 200                     if (r < m_maxSocketHandles)
 201                     {
 202                         CallbackInfo[r].proc(CallbackInfo[r].gsock);
 203                         pendingEvent = TRUE;
 204                         wxYield();
 205                     }
 206                 }
 207             }
 208             m_lastUsedHandle = i;
 209         }
 210         if (pendingEvent)
 211             wxYield();
 212     }
 213 }
 214 // ---------------------------------------------------------------------------
 215 // wxApp
 216 // ---------------------------------------------------------------------------
 217
 218     IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 219
 220     BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 221         EVT_IDLE(wxApp::OnIdle)
 222         EVT_END_SESSION(wxApp::OnEndSession)
 223         EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 224     END_EVENT_TABLE()
 225
 226 //
 227 // Initialize
 228 //
 229 bool wxApp::Initialize(int& argc, wxChar **argv)
 230 {
 231     if ( !wxAppBase::Initialize(argc, argv) )
 232         return false;
 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     //
 257     // OS2 has to have an anchorblock
 258     //
 259     vHabmain = WinInitialize(0);
 260
 261     if (!vHabmain)
 262     {
 263         // TODO: at least give some error message here...
 264         wxAppBase::CleanUp();
 265
 266         return FALSE;
 267     }
 268
 269     wxBuffer = new wxChar[1500]; // FIXME; why?
 270
 271     // Some people may wish to use this, but
 272     // probably it shouldn't be here by default.
 273 #ifdef __WXDEBUG__
 274     //    wxRedirectIOToConsole();
 275 #endif
 276
 277     wxWinHandleList = new wxList(wxKEY_INTEGER);
 278
 279     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
 280     // PLEASE DO NOT ALTER THIS.
 281 #if !defined(WXMAKINGDLL) && defined(__VISAGECPP__)
 282     extern char wxDummyChar;
 283     if (wxDummyChar) wxDummyChar++;
 284 #endif
 285
 286     // wxSetKeyboardHook(TRUE);
 287
 288     RegisterWindowClasses(vHab);
 289
 290     return TRUE;
 291 } // end of wxApp::Initialize
 292
 293 const char*                         CANTREGISTERCLASS = " Can't register Class ";
 294 // ---------------------------------------------------------------------------
 295 // RegisterWindowClasses
 296 // ---------------------------------------------------------------------------
 297
 298 bool wxApp::RegisterWindowClasses(
 299   HAB                               vHab
 300 )
 301 {
 302     ERRORID                         vError = 0L;
 303     wxString                        sError;
 304
 305     if (!::WinRegisterClass( vHab
 306                             ,wxFrameClassName
 307                             ,wxFrameWndProc
 308                             ,CS_SIZEREDRAW | CS_SYNCPAINT
 309                             ,sizeof(ULONG)
 310                            ))
 311     {
 312         vError = ::WinGetLastError(vHab);
 313         sError = wxPMErrorToStr(vError);
 314         wxLogLastError(sError);
 315         return FALSE;
 316     }
 317
 318     if (!::WinRegisterClass( vHab
 319                             ,wxFrameClassNameNoRedraw
 320                             ,wxWndProc
 321                             ,0
 322                             ,sizeof(ULONG)
 323                            ))
 324     {
 325         vError = ::WinGetLastError(vHab);
 326         sError = wxPMErrorToStr(vError);
 327         wxLogLastError(sError);
 328         return FALSE;
 329     }
 330
 331     if (!::WinRegisterClass( vHab
 332                             ,wxMDIFrameClassName
 333                             ,wxWndProc
 334                             ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT
 335                             ,sizeof(ULONG)
 336                            ))
 337     {
 338         vError = ::WinGetLastError(vHab);
 339         sError = wxPMErrorToStr(vError);
 340         wxLogLastError(sError);
 341         return FALSE;
 342     }
 343
 344     if (!::WinRegisterClass( vHab
 345                             ,wxMDIFrameClassNameNoRedraw
 346                             ,wxWndProc
 347                             ,0
 348                             ,sizeof(ULONG)
 349                            ))
 350     {
 351         vError = ::WinGetLastError(vHab);
 352         sError = wxPMErrorToStr(vError);
 353         wxLogLastError(sError);
 354         return FALSE;
 355     }
 356
 357     if (!::WinRegisterClass( vHab
 358                             ,wxMDIChildFrameClassName
 359                             ,wxWndProc
 360                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST
 361                             ,sizeof(ULONG)
 362                            ))
 363     {
 364         vError = ::WinGetLastError(vHab);
 365         sError = wxPMErrorToStr(vError);
 366         wxLogLastError(sError);
 367         return FALSE;
 368     }
 369
 370     if (!::WinRegisterClass( vHab
 371                             ,wxMDIChildFrameClassNameNoRedraw
 372                             ,wxWndProc
 373                             ,CS_HITTEST
 374                             ,sizeof(ULONG)
 375                            ))
 376     {
 377         vError = ::WinGetLastError(vHab);
 378         sError = wxPMErrorToStr(vError);
 379         wxLogLastError(sError);
 380         return FALSE;
 381     }
 382
 383     if (!::WinRegisterClass( vHab
 384                             ,wxPanelClassName
 385                             ,wxWndProc
 386                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT
 387                             ,sizeof(ULONG)
 388                            ))
 389     {
 390         vError = ::WinGetLastError(vHab);
 391         sError = wxPMErrorToStr(vError);
 392         wxLogLastError(sError);
 393         return FALSE;
 394     }
 395
 396     if (!::WinRegisterClass( vHab
 397                             ,wxCanvasClassName
 398                             ,wxWndProc
 399                             ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT
 400                             ,sizeof(ULONG)
 401                            ))
 402     {
 403         vError = ::WinGetLastError(vHab);
 404         sError = wxPMErrorToStr(vError);
 405         wxLogLastError(sError);
 406         return FALSE;
 407     }
 408     if (!::WinRegisterClass( vHab
 409                             ,wxCanvasClassNameNR
 410                             ,wxWndProc
 411                             ,CS_HITTEST | CS_SYNCPAINT
 412                             ,sizeof(ULONG)
 413                            ))
 414     {
 415         vError = ::WinGetLastError(vHab);
 416         sError = wxPMErrorToStr(vError);
 417         wxLogLastError(sError);
 418         return FALSE;
 419     }
 420     return TRUE;
 421 } // end of wxApp::RegisterWindowClasses
 422
 423 //
 424 // Cleans up any wxWindows internal structures left lying around
 425 //
 426 void wxApp::CleanUp()
 427 {
 428     delete[] wxBuffer;
 429     wxBuffer = NULL;
 430
 431     //
 432     // PM-SPECIFIC CLEANUP
 433     //
 434
 435     // wxSetKeyboardHook(FALSE);
 436
 437     if (wxSTD_FRAME_ICON)
 438         ::WinFreeFileIcon(wxSTD_FRAME_ICON);
 439     if (wxSTD_MDICHILDFRAME_ICON)
 440         ::WinFreeFileIcon(wxSTD_MDICHILDFRAME_ICON);
 441     if (wxSTD_MDIPARENTFRAME_ICON)
 442         ::WinFreeFileIcon(wxSTD_MDIPARENTFRAME_ICON);
 443
 444     if (wxDEFAULT_FRAME_ICON)
 445         ::WinFreeFileIcon(wxDEFAULT_FRAME_ICON);
 446     if (wxDEFAULT_MDICHILDFRAME_ICON)
 447         ::WinFreeFileIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 448     if (wxDEFAULT_MDIPARENTFRAME_ICON)
 449         ::WinFreeFileIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 450
 451     if ( wxDisableButtonBrush )
 452     {
 453 // TODO:        ::DeleteObject( wxDisableButtonBrush );
 454     }
 455
 456     if (wxWinHandleList)
 457         delete wxWinHandleList;
 458
 459     delete wxPendingEvents;
 460 #if wxUSE_THREADS
 461     delete wxPendingEventsLocker;
 462     // If we don't do the following, we get an apparent memory leak.
 463     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 464 #endif
 465
 466     // Delete Message queue
 467     if (wxTheApp->m_hMq)
 468         ::WinDestroyMsgQueue(wxTheApp->m_hMq);
 469
 470     wxAppBase::CleanUp();
 471 } // end of wxApp::CleanUp
 472
 473 bool wxApp::OnInitGui()
 474 {
 475     ERRORID                         vError;
 476     wxString                        sError;
 477
 478     if (!wxAppBase::OnInitGui())
 479         return FALSE;
 480
 481     m_hMq = ::WinCreateMsgQueue(vHabmain, 0);
 482     if (!m_hMq)
 483     {
 484         vError = ::WinGetLastError(vHabmain);
 485         sError = wxPMErrorToStr(vError);
 486         wxLogDebug(sError);
 487         return FALSE;
 488     }
 489
 490     return TRUE;
 491 } // end of wxApp::OnInitGui
 492
 493 wxApp::wxApp()
 494 {
 495     m_topWindow = NULL;
 496     wxTheApp = this;
 497
 498     argc = 0;
 499     argv = NULL;
 500     m_nPrintMode = wxPRINT_WINDOWS;
 501     m_bAuto3D = TRUE;
 502     m_hMq = 0;
 503     m_maxSocketHandles = 0;
 504     m_maxSocketNr = 0;
 505     m_sockCallbackInfo = 0;
 506 } // end of wxApp::wxApp
 507
 508 wxApp::~wxApp()
 509 {
 510     //
 511     // Delete command-line args
 512     //
 513 #if wxUSE_UNICODE
 514     int                             i;
 515
 516     for (i = 0; i < argc; i++)
 517     {
 518         delete[] argv[i];
 519     }
 520     delete[] argv;
 521 #endif
 522 } // end of wxApp::~wxApp
 523
 524 bool wxApp::Initialized()
 525 {
 526     if (GetTopWindow())
 527         return TRUE;
 528     else
 529         return FALSE;
 530 } // end of wxApp::Initialized
 531
 532 //
 533 // Get and process a message, returning FALSE if WM_QUIT
 534 // received (and also set the flag telling the app to exit the main loop)
 535 //
 536
 537 bool wxApp::DoMessage()
 538 {
 539     BOOL                            bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0);
 540
 541     if (bRc == 0)
 542     {
 543         // got WM_QUIT
 544         m_bKeepGoing = FALSE;
 545         return FALSE;
 546     }
 547     else if (bRc == -1)
 548     {
 549         // should never happen, but let's test for it nevertheless
 550         wxLogLastError("GetMessage");
 551     }
 552     else
 553     {
 554 #if wxUSE_THREADS
 555         wxASSERT_MSG( wxThread::IsMain()
 556                      ,wxT("only the main thread can process Windows messages")
 557                     );
 558
 559         static bool                 sbHadGuiLock = TRUE;
 560         static wxMsgArray           svSavedMessages;
 561
 562         //
 563         // If a secondary thread owns is doing GUI calls, save all messages for
 564         // later processing - we can't process them right now because it will
 565         // lead to recursive library calls (and we're not reentrant)
 566         //
 567         if (!wxGuiOwnedByMainThread())
 568         {
 569             sbHadGuiLock = FALSE;
 570
 571             //
 572             // Leave out WM_COMMAND messages: too dangerous, sometimes
 573             // the message will be processed twice
 574             //
 575             if ( !wxIsWaitingForThread() ||
 576                     svCurrentMsg.msg != WM_COMMAND )
 577             {
 578                 svSavedMessages.Add(svCurrentMsg);
 579             }
 580             return TRUE;
 581         }
 582         else
 583         {
 584             //
 585             // Have we just regained the GUI lock? if so, post all of the saved
 586             // messages
 587             //
 588             if (!sbHadGuiLock )
 589             {
 590                 sbHadGuiLock = TRUE;
 591
 592                 size_t             nCount = svSavedMessages.Count();
 593
 594                 for (size_t n = 0; n < nCount; n++)
 595                 {
 596                     QMSG            vMsg = svSavedMessages[n];
 597
 598                     DoMessage((WXMSG*)&vMsg);
 599                 }
 600                 svSavedMessages.Empty();
 601             }
 602         }
 603 #endif // wxUSE_THREADS
 604
 605         //
 606         // Process the message
 607         //
 608         DoMessage((WXMSG *)&svCurrentMsg);
 609     }
 610     return TRUE;
 611 } // end of wxApp::DoMessage
 612
 613 void wxApp::DoMessage(
 614   WXMSG*                            pMsg
 615 )
 616 {
 617     if (!ProcessMessage((WXMSG *)&svCurrentMsg))
 618     {
 619         ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
 620     }
 621 } // end of wxApp::DoMessage
 622
 623 //////////////////////////////////////////////////////////////////////////////
 624 //
 625 // Keep trying to process messages until WM_QUIT
 626 // received.
 627 //
 628 // If there are messages to be processed, they will all be
 629 // processed and OnIdle will not be called.
 630 // When there are no more messages, OnIdle is called.
 631 // If OnIdle requests more time,
 632 // it will be repeatedly called so long as there are no pending messages.
 633 // A 'feature' of this is that once OnIdle has decided that no more processing
 634 // is required, then it won't get processing time until further messages
 635 // are processed (it'll sit in DoMessage).
 636 //
 637 //////////////////////////////////////////////////////////////////////////////
 638 int wxApp::MainLoop()
 639 {
 640     m_bKeepGoing = TRUE;
 641
 642     while (m_bKeepGoing)
 643     {
 644 #if wxUSE_THREADS
 645         wxMutexGuiLeaveOrEnter();
 646 #endif // wxUSE_THREADS
 647         while (!Pending() && ProcessIdle())
 648         {
 649             HandleSockets();
 650             wxUsleep(10000);
 651         }
 652         HandleSockets();
 653         if (Pending())
 654             DoMessage();
 655         else
 656             wxUsleep(10000);
 657
 658     }
 659     return (int)svCurrentMsg.mp1;
 660 } // end of wxApp::MainLoop
 661
 662 //
 663 // Returns TRUE if more time is needed.
 664 //
 665 bool wxApp::ProcessIdle()
 666 {
 667     wxIdleEvent                     vEvent;
 668
 669     vEvent.SetEventObject(this);
 670     ProcessEvent(vEvent);
 671     return vEvent.MoreRequested();
 672 } // end of wxApp::ProcessIdle
 673
 674 void wxApp::ExitMainLoop()
 675 {
 676     ::WinPostMsg(NULL, WM_QUIT, 0, 0);
 677 } // end of wxApp::ExitMainLoop
 678
 679 bool wxApp::Pending()
 680 {
 681     return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);
 682 } // end of wxApp::Pending
 683
 684 void wxApp::Dispatch()
 685 {
 686     DoMessage();
 687 }
 688
 689 //////////////////////////////////////////////////////////////////////////////
 690 //
 691 // Give all windows a chance to preprocess
 692 // the message. Some may have accelerator tables, or have
 693 // MDI complications.
 694 //
 695 //////////////////////////////////////////////////////////////////////////////
 696 bool wxApp::ProcessMessage(
 697   WXMSG*                            pWxmsg
 698 )
 699 {
 700     QMSG*                           pMsg = (PQMSG)pWxmsg;
 701     HWND                            hWnd = pMsg->hwnd;
 702     wxWindow*                       pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
 703     wxWindow*                       pWnd;
 704
 705     //
 706     // Pass non-system timer messages to the wxTimerProc
 707     //
 708     if (pMsg->msg == WM_TIMER &&
 709         (SHORT1FROMMP(pMsg->mp1) != TID_CURSOR &&
 710          SHORT1FROMMP(pMsg->mp1) != TID_FLASHWINDOW &&
 711          SHORT1FROMMP(pMsg->mp1) != TID_SCROLL &&
 712          SHORT1FROMMP(pMsg->mp1) != 0x0000
 713         ))
 714         wxTimerProc(NULL, 0, (int)pMsg->mp1, 0);
 715
 716     //
 717     // Allow the window to prevent certain messages from being
 718     // translated/processed (this is currently used by wxTextCtrl to always
 719     // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
 720     //
 721     if (pWndThis && !pWndThis->OS2ShouldPreProcessMessage(pWxmsg))
 722     {
 723         return FALSE;
 724     }
 725
 726     //
 727     // For some composite controls (like a combobox), wndThis might be NULL
 728     // because the subcontrol is not a wxWindow, but only the control itself
 729     // is - try to catch this case
 730     //
 731     while (hWnd && !pWndThis)
 732     {
 733         hWnd = ::WinQueryWindow(hWnd, QW_PARENT);
 734         pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
 735     }
 736
 737     //
 738     // Try translations first; find the youngest window with
 739     // a translation table. OS/2 has case sensative accels, so
 740     // this block, coded by BK, removes that and helps make them
 741     // case insensative.
 742     //
 743     if(pMsg->msg == WM_CHAR)
 744     {
 745        PBYTE                        pChmsg = (PBYTE)&(pMsg->msg);
 746        USHORT                       uSch  = CHARMSG(pChmsg)->chr;
 747        bool                         bRc;
 748
 749        //
 750        // Do not process keyup events
 751        //
 752        if(!(CHARMSG(pChmsg)->fs & KC_KEYUP))
 753        {
 754            if((CHARMSG(pChmsg)->fs & (KC_ALT | KC_CTRL)) && CHARMSG(pChmsg)->chr != 0)
 755                 CHARMSG(pChmsg)->chr = (USHORT)wxToupper((UCHAR)uSch);
 756
 757
 758            for(pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent() )
 759            {
 760                if((bRc = pWnd->OS2TranslateMessage(pWxmsg)) == TRUE)
 761                    break;
 762            }
 763
 764             if(!bRc)    // untranslated, should restore original value
 765                 CHARMSG(pChmsg)->chr = uSch;
 766         }
 767     }
 768     //
 769     // Anyone for a non-translation message? Try youngest descendants first.
 770     //
 771 //  for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent())
 772 //  {
 773 //      if (pWnd->OS2ProcessMessage(pWxmsg))
 774 //          return TRUE;
 775 //  }
 776     return FALSE;
 777 } // end of wxApp::ProcessMessage
 778
 779 bool                                gbInOnIdle = FALSE;
 780
 781 void wxApp::OnIdle(
 782   wxIdleEvent&                      rEvent
 783 )
 784 {
 785
 786     //
 787     // Avoid recursion (via ProcessEvent default case)
 788     //
 789     if (gbInOnIdle)
 790         return;
 791
 792     gbInOnIdle = TRUE;
 793
 794     //
 795     // If there are pending events, we must process them: pending events
 796     // are either events to the threads other than main or events posted
 797     // with wxPostEvent() functions
 798     //
 799     ProcessPendingEvents();
 800
 801     //
 802     // 'Garbage' collection of windows deleted with Close().
 803     //
 804     DeletePendingObjects();
 805
 806 #if wxUSE_LOG
 807     //
 808     // Flush the logged messages if any
 809     //
 810     wxLog::FlushActive();
 811 #endif // wxUSE_LOG
 812
 813 #if wxUSE_DC_CACHEING
 814     // automated DC cache management: clear the cached DCs and bitmap
 815     // if it's likely that the app has finished with them, that is, we
 816     // get an idle event and we're not dragging anything.
 817     if (!::WinGetKeyState(HWND_DESKTOP, VK_BUTTON1) &&
 818         !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON3) &&
 819         !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON2))
 820         wxDC::ClearCache();
 821 #endif // wxUSE_DC_CACHEING
 822
 823     //
 824     // Send OnIdle events to all windows
 825     //
 826     if (SendIdleEvents())
 827     {
 828         //
 829         // SendIdleEvents() returns TRUE if at least one window requested more
 830         // idle events
 831         //
 832         rEvent.RequestMore(TRUE);
 833     }
 834     gbInOnIdle = FALSE;
 835 } // end of wxApp::OnIdle
 836
 837 // Send idle event to all top-level windows
 838 bool wxApp::SendIdleEvents()
 839 {
 840     bool                            bNeedMore = FALSE;
 841     wxWindowList::Node*             pNode = wxTopLevelWindows.GetFirst();
 842
 843     while (pNode)
 844     {
 845         wxWindow*                   pWin = pNode->GetData();
 846
 847         if (SendIdleEvents(pWin))
 848             bNeedMore = TRUE;
 849         pNode = pNode->GetNext();
 850     }
 851     return bNeedMore;
 852 } // end of wxApp::SendIdleEvents
 853
 854 //
 855 // Send idle event to window and all subwindows
 856 //
 857 bool wxApp::SendIdleEvents(
 858   wxWindow*                         pWin
 859 )
 860 {
 861     bool                            bNeedMore = FALSE;
 862     wxIdleEvent                     vEvent;
 863
 864     vEvent.SetEventObject(pWin);
 865     pWin->GetEventHandler()->ProcessEvent(vEvent);
 866
 867     if (vEvent.MoreRequested())
 868         bNeedMore = TRUE;
 869
 870     wxNode*                         pNode = pWin->GetChildren().First();
 871
 872     while (pNode)
 873     {
 874         wxWindow*                   pWin = (wxWindow*) pNode->Data();
 875
 876         if (SendIdleEvents(pWin))
 877             bNeedMore = TRUE;
 878         pNode = pNode->Next();
 879     }
 880     return bNeedMore;
 881 } // end of wxApp::SendIdleEvents
 882
 883 void wxApp::OnEndSession(
 884   wxCloseEvent&                     WXUNUSED(rEvent))
 885 {
 886     if (GetTopWindow())
 887         GetTopWindow()->Close(TRUE);
 888 } // end of wxApp::OnEndSession
 889
 890 //
 891 // Default behaviour: close the application with prompts. The
 892 // user can veto the close, and therefore the end session.
 893 //
 894 void wxApp::OnQueryEndSession(
 895   wxCloseEvent&                     rEvent
 896 )
 897 {
 898     if (GetTopWindow())
 899     {
 900         if (!GetTopWindow()->Close(!rEvent.CanVeto()))
 901             rEvent.Veto(TRUE);
 902     }
 903 } // end of wxApp::OnQueryEndSession
 904
 905 void wxApp::Exit()
 906 {
 907     wxApp::CleanUp();
 908
 909     // VZ: must really exit somehow, insert appropriate OS/2 syscall (FIXME)
 910     wxAppConsole::Exit();
 911 } // end of wxExit
 912
 913 //
 914 // Yield to incoming messages
 915 //
 916 bool wxApp::Yield(bool onlyIfNeeded)
 917 {
 918     static bool s_inYield = FALSE;
 919
 920     if ( s_inYield )
 921     {
 922         if ( !onlyIfNeeded )
 923         {
 924             wxFAIL_MSG( _T("wxYield() called recursively") );
 925         }
 926
 927         return FALSE;
 928     }
 929
 930     HAB                             vHab = 0;
 931     QMSG                            vMsg;
 932
 933     //
 934     // Disable log flushing from here because a call to wxYield() shouldn't
 935     // normally result in message boxes popping up &c
 936     //
 937     wxLog::Suspend();
 938
 939     s_inYield = TRUE;
 940
 941     //
 942     // We want to go back to the main message loop
 943     // if we see a WM_QUIT. (?)
 944     //
 945     while (::WinPeekMsg(vHab, &vMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && vMsg.msg != WM_QUIT)
 946     {
 947 #if wxUSE_THREADS
 948         wxMutexGuiLeaveOrEnter();
 949 #endif // wxUSE_THREADS
 950         if (!wxTheApp->DoMessage())
 951             break;
 952     }
 953     //
 954     // If they are pending events, we must process them.
 955     //
 956     if (wxTheApp)
 957         wxTheApp->ProcessPendingEvents();
 958
 959     //
 960     // Let the logs be flashed again
 961     //
 962     wxLog::Resume();
 963     s_inYield = FALSE;
 964     return TRUE;
 965 } // end of wxYield
 966
 967 int wxApp::AddSocketHandler(int handle, int mask,
 968                             void (*callback)(void*), void * gsock)
 969 {
 970     int find;
 971     struct GsocketCallbackInfo
 972         *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
 973
 974     for (find = 0; find < m_maxSocketHandles; find++)
 975         if (CallbackInfo[find].handle == -1)
 976             break;
 977     if (find == m_maxSocketHandles)
 978     {
 979         // Allocate new memory
 980         m_sockCallbackInfo = realloc(m_sockCallbackInfo,
 981                                      (m_maxSocketHandles+=10)*
 982                                      sizeof(struct GsocketCallbackInfo));
 983         CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
 984         for (find = m_maxSocketHandles - 10; find < m_maxSocketHandles; find++)
 985             CallbackInfo[find].handle = -1;
 986         find = m_maxSocketHandles - 10;
 987     }
 988     CallbackInfo[find].proc = callback;
 989     CallbackInfo[find].type = mask;
 990     CallbackInfo[find].handle = handle;
 991     CallbackInfo[find].gsock = gsock;
 992     if (mask & wxSockReadMask)
 993         FD_SET(handle, &m_readfds);
 994     if (mask & wxSockWriteMask)
 995         FD_SET(handle, &m_writefds);
 996     if (handle >= m_maxSocketNr)
 997         m_maxSocketNr = handle + 1;
 998     return find;
 999 }
1000
1001 void wxApp::RemoveSocketHandler(int handle)
1002 {
1003     struct GsocketCallbackInfo
1004         *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
1005     if (handle < m_maxSocketHandles)
1006     {
1007         if (CallbackInfo[handle].type & wxSockReadMask)
1008             FD_CLR(CallbackInfo[handle].handle, &m_readfds);
1009         if (CallbackInfo[handle].type & wxSockWriteMask)
1010             FD_CLR(CallbackInfo[handle].handle, &m_writefds);
1011         CallbackInfo[handle].handle = -1;
1012     }
1013 }
1014
1015 //-----------------------------------------------------------------------------
1016 // wxWakeUpIdle
1017 //-----------------------------------------------------------------------------
1018
1019 void wxApp::WakeUpIdle()
1020 {
1021     //
1022     // Send the top window a dummy message so idle handler processing will
1023     // start up again.  Doing it this way ensures that the idle handler
1024     // wakes up in the right thread (see also wxWakeUpMainThread() which does
1025     // the same for the main app thread only)
1026     //
1027     wxWindow*                       pTopWindow = wxTheApp->GetTopWindow();
1028
1029     if (pTopWindow)
1030     {
1031         if ( !::WinPostMsg(GetHwndOf(pTopWindow), WM_NULL, (MPARAM)0, (MPARAM)0))
1032         {
1033             //
1034             // Should never happen
1035             //
1036             wxLogLastError("PostMessage(WM_NULL)");
1037         }
1038     }
1039 } // end of wxWakeUpIdle
1040
1041 HAB wxGetInstance()
1042 {
1043     return vHabmain;
1044 }
1045
1046 void wxSetInstance(
1047   HAB                               vHab
1048 )
1049 {
1050     vHabmain = vHab;
1051 }
1052