X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77cd51c3de9e79e5e7f566ed28aee6ed20a606eb..6342bd1ab36c1957684c00d408d09fba65d33db6:/src/os2/app.cpp diff --git a/src/os2/app.cpp b/src/os2/app.cpp index c30b689ba5..4aa19bee52 100644 --- a/src/os2/app.cpp +++ b/src/os2/app.cpp @@ -1,382 +1,999 @@ ///////////////////////////////////////////////////////////////////////////// // Name: app.cpp // Purpose: wxApp -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 10/13/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "app.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifndef WX_PRECOMP + #include "wx/frame.h" + #include "wx/app.h" + #include "wx/utils.h" + #include "wx/gdicmn.h" + #include "wx/pen.h" + #include "wx/brush.h" + #include "wx/cursor.h" + #include "wx/icon.h" + #include "wx/palette.h" + #include "wx/dc.h" + #include "wx/dialog.h" + #include "wx/msgdlg.h" + #include "wx/intl.h" + #include "wx/dynarray.h" +# include "wx/wxchar.h" +# include "wx/icon.h" #endif -#include "wx/frame.h" -#include "wx/app.h" -#include "wx/utils.h" -#include "wx/gdicmn.h" -#include "wx/pen.h" -#include "wx/brush.h" -#include "wx/cursor.h" -#include "wx/icon.h" -#include "wx/palette.h" -#include "wx/dc.h" -#include "wx/dialog.h" -#include "wx/msgdlg.h" #include "wx/log.h" #include "wx/module.h" -#include "wx/memory.h" -#if wxUSE_WX_RESOURCES -#include "wx/resource.h" -#endif +#include "wx/os2/private.h" -#include +#if wxUSE_THREADS + #include "wx/thread.h" + + // define the array of QMSG strutures + WX_DECLARE_OBJARRAY(QMSG, wxMsgArray); -extern char *wxBuffer; -extern wxList wxPendingDelete; + #include "wx/arrimpl.cpp" -wxApp *wxTheApp = NULL; + WX_DEFINE_OBJARRAY(wxMsgArray); +#endif // wxUSE_THREADS -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) -END_EVENT_TABLE() +#if wxUSE_WX_RESOURCES + #include "wx/resource.h" #endif -long wxApp::sm_lastMessageTime = 0; +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS -bool wxApp::Initialize() +#include +#include + +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- + +extern wxChar* wxBuffer; +extern wxList* wxWinHandleList; +extern wxList WXDLLEXPORT wxPendingDelete; +extern wxCursor* g_globalCursor; + +HAB vHabmain = NULLHANDLE; +QMSG svCurrentMsg; +wxApp* wxTheApp = NULL; + +// NB: all "NoRedraw" classes must have the same names as the "normal" classes +// with NR suffix - wxWindow::OS2Create() supposes this +wxChar wxFrameClassName[] = wxT("wxFrameClass"); +wxChar wxFrameClassNameNoRedraw[] = wxT("wxFrameClassNR"); +wxChar wxMDIFrameClassName[] = wxT("wxMDIFrameClass"); +wxChar wxMDIFrameClassNameNoRedraw[] = wxT("wxMDIFrameClassNR"); +wxChar wxMDIChildFrameClassName[] = wxT("wxMDIChildFrameClass"); +wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR"); +wxChar wxPanelClassName[] = wxT("wxPanelClass"); +wxChar wxCanvasClassName[] = wxT("wxCanvasClass"); + +HICON wxSTD_FRAME_ICON = (HICON) NULL; +HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL; +HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL; + +HICON wxDEFAULT_FRAME_ICON = (HICON) NULL; +HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL; +HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; + +HBRUSH wxDisableButtonBrush = (HBRUSH) 0; + +// =========================================================================== +// implementation +// =========================================================================== + +// --------------------------------------------------------------------------- +// wxApp +// --------------------------------------------------------------------------- + + IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) + + BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) + EVT_IDLE(wxApp::OnIdle) + EVT_END_SESSION(wxApp::OnEndSession) + EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) + END_EVENT_TABLE() + +// +// Initialize +// +bool wxApp::Initialize( + HAB vHab +) { -#ifdef __WXMSW__ - wxBuffer = new char[1500]; -#else - wxBuffer = new char[BUFSIZ + 512]; + // + // OS2 has to have an anchorblock + // + vHab = WinInitialize(0); + + if (!vHab) + return FALSE; + else + vHabmain = vHab; + + // Some people may wish to use this, but + // probably it shouldn't be here by default. +#ifdef __WXDEBUG__ + // wxRedirectIOToConsole(); #endif - wxClassInfo::InitializeClasses(); + wxBuffer = new wxChar[1500]; // FIXME; why? + + wxClassInfo::InitializeClasses(); + +#if wxUSE_THREADS + wxPendingEventsLocker = new wxCriticalSection; +#endif - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); + wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); + wxTheColourDatabase->Initialize(); - wxInitializeStockLists(); - wxInitializeStockObjects(); + wxInitializeStockLists(); + wxInitializeStockObjects(); #if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); + wxInitializeResourceSystem(); #endif - wxBitmap::InitStandardHandlers(); + wxBitmap::InitStandardHandlers(); - wxModule::RegisterModules(); - wxASSERT( wxModule::InitializeModules() == TRUE ); + RegisterWindowClasses(vHab); + wxWinHandleList = new wxList(wxKEY_INTEGER); - return TRUE; -} + // This is to foil optimizations in Visual C++ that throw out dummy.obj. + // PLEASE DO NOT ALTER THIS. +#if !defined(WXMAKINGDLL) && defined(__VISAGECPP__) + extern char wxDummyChar; + if (wxDummyChar) wxDummyChar++; +#endif + + // wxSetKeyboardHook(TRUE); + wxModule::RegisterModules(); + if (!wxModule::InitializeModules()) + return FALSE; + return TRUE; +} // end of wxApp::Initialize + +// --------------------------------------------------------------------------- +// RegisterWindowClasses +// --------------------------------------------------------------------------- + +bool wxApp::RegisterWindowClasses( + HAB vHab +) +{ + APIRET rc; + ERRORID vError = 0L; + wxString sError; + + if (!::WinRegisterClass( vHab + ,wxFrameClassName + ,(PFNWP)wxWndProc + ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT + ,sizeof(ULONG) + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,0 + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIFrameClassName + ,(PFNWP)wxWndProc + ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,0 + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIChildFrameClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIChildFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,CS_HITTEST + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxPanelClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxCanvasClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT + ,0 + )) + { + vError = ::WinGetLastError(vHab); + sError = wxPMErrorToStr(vError); + wxLogLastError(sError); + return FALSE; + } + return TRUE; +} // end of wxApp::RegisterWindowClasses + +// +// Cleans up any wxWindows internal structures left lying around +// void wxApp::CleanUp() { - wxModule::CleanUpModules(); + // + // COMMON CLEANUP + // + +#if wxUSE_LOG + + // + // Flush the logged messages if any and install a 'safer' log target: the + // default one (wxLogGui) can't be used after the resources are freed just + // below and the user suppliedo ne might be even more unsafe (using any + // wxWindows GUI function is unsafe starting from now) + // + wxLog::DontCreateOnDemand(); + + // + // This will flush the old messages if any + // + delete wxLog::SetActiveTarget(new wxLogStderr); +#endif // wxUSE_LOG + + // + // One last chance for pending objects to be cleaned up + // + wxTheApp->DeletePendingObjects(); + + wxModule::CleanUpModules(); #if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); + wxCleanUpResourceSystem(); #endif - wxDeleteStockObjects() ; + wxDeleteStockObjects(); - // Destroy all GDI lists, etc. + // + // Destroy all GDI lists, etc. + // + wxDeleteStockLists(); - delete wxTheBrushList; - wxTheBrushList = NULL; + delete wxTheColourDatabase; + wxTheColourDatabase = NULL; - delete wxThePenList; - wxThePenList = NULL; + wxBitmap::CleanUpHandlers(); - delete wxTheFontList; - wxTheFontList = NULL; + delete[] wxBuffer; + wxBuffer = NULL; - delete wxTheBitmapList; - wxTheBitmapList = NULL; + // + // PM-SPECIFIC CLEANUP + // - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; + // wxSetKeyboardHook(FALSE); - wxBitmap::CleanUpHandlers(); + if (wxSTD_FRAME_ICON) + ::WinFreeFileIcon(wxSTD_FRAME_ICON); + if (wxSTD_MDICHILDFRAME_ICON) + ::WinFreeFileIcon(wxSTD_MDICHILDFRAME_ICON); + if (wxSTD_MDIPARENTFRAME_ICON) + ::WinFreeFileIcon(wxSTD_MDIPARENTFRAME_ICON); - delete[] wxBuffer; - wxBuffer = NULL; + if (wxDEFAULT_FRAME_ICON) + ::WinFreeFileIcon(wxDEFAULT_FRAME_ICON); + if (wxDEFAULT_MDICHILDFRAME_ICON) + ::WinFreeFileIcon(wxDEFAULT_MDICHILDFRAME_ICON); + if (wxDEFAULT_MDIPARENTFRAME_ICON) + ::WinFreeFileIcon(wxDEFAULT_MDIPARENTFRAME_ICON); - wxClassInfo::CleanUpClasses(); + if ( wxDisableButtonBrush ) + { +// TODO: ::DeleteObject( wxDisableButtonBrush ); + } - delete wxTheApp; - wxTheApp = NULL; + if (wxWinHandleList) + delete wxWinHandleList; -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - // At this point we want to check if there are any memory - // blocks that aren't part of the wxDebugContext itself, - // as a special case. Then when dumping we need to ignore - // wxDebugContext, too. - if (wxDebugContext::CountObjectsLeft() > 0) - { - wxTrace("There were memory leaks.\n"); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -// wxDebugContext::SetStream(NULL, NULL); + delete wxPendingEvents; +#if wxUSE_THREADS + delete wxPendingEventsLocker; + // If we don't do the following, we get an apparent memory leak. + ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker(); #endif - // do it as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - // do it as the very last thing because everything else can log messages - delete wxLog::SetActiveTarget(NULL); -} + wxClassInfo::CleanUpClasses(); -int wxEntry( int argc, char *argv[] ) -{ - if (!wxApp::Initialize()) - return FALSE; - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) - { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - }; + // Delete Message queue + if (wxTheApp->m_hMq) + ::WinDestroyMsgQueue(wxTheApp->m_hMq); - wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) (); - }; + delete wxTheApp; + wxTheApp = NULL; - if (!wxTheApp) - { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; - }; +#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + // At this point we want to check if there are any memory + // blocks that aren't part of the wxDebugContext itself, + // as a special case. Then when dumping we need to ignore + // wxDebugContext, too. + if (wxDebugContext::CountObjectsLeft(TRUE) > 0) + { + wxLogDebug(wxT("There were memory leaks.")); + wxDebugContext::Dump(); + wxDebugContext::PrintStatistics(); + } + // wxDebugContext::SetStream(NULL, NULL); +#endif + +#if wxUSE_LOG + // do it as the very last thing because everything else can log messages + delete wxLog::SetActiveTarget(NULL); +#endif // wxUSE_LOG +} // end of wxApp::CleanUp - wxTheApp->argc = argc; - wxTheApp->argv = argv; +int wxEntry( + int argc +, char* argv[] +) +{ + HAB vHab = 0; - // GUI-specific initialization, such as creating an app context. - wxTheApp->OnInitGui(); + if (!wxApp::Initialize(vHab)) + return 0; - // Here frames insert themselves automatically - // into wxTopLevelWindows by getting created - // in OnInit(). + // + // create the application object or ensure that one already exists + // + if (!wxTheApp) + { + // The app may have declared a global application object, but we recommend + // the IMPLEMENT_APP macro is used instead, which sets an initializer + // function for delayed, dynamic app object construction. + wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, + wxT("No initializer - use IMPLEMENT_APP macro.") ); + wxTheApp = (*wxApp::GetInitializerFunction()) (); + } + wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") ); + wxTheApp->argc = argc; + +#if wxUSE_UNICODE + wxTheApp->argv = new wxChar*[argc+1]; + + int nArgc = 0; + + while (nArgc < argc) + { + wxTheApp->argv[nArgc] = wxStrdup(wxConvLibc.cMB2WX(argv[nArgc])); + nArgc++; + } + wxTheApp->argv[nArgc] = (wxChar *)NULL; +#else + wxTheApp->argv = argv; +#endif - if (!wxTheApp->OnInit()) return 0; + wxString sName(wxFileNameFromPath(argv[0])); - int retValue = 0; + wxStripExtension(sName); + wxTheApp->SetAppName(sName); - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); + int nRetValue = 0; - if (wxTheApp->GetTopWindow()) - { - delete wxTheApp->GetTopWindow(); - wxTheApp->SetTopWindow(NULL); - } + if (!wxTheApp->OnInitGui()) + nRetValue = -1; - wxTheApp->DeletePendingObjects(); + if (nRetValue == 0) + { + if (wxTheApp->OnInit()) + { + nRetValue = wxTheApp->OnRun(); +// nRetValue = -1; + } + } - wxTheApp->OnExit(); + wxWindow* pTopWindow = wxTheApp->GetTopWindow(); - wxApp::CleanUp(); + if (pTopWindow) + { + // Forcibly delete the window. + if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) || + pTopWindow->IsKindOf(CLASSINFO(wxDialog)) ) + { + pTopWindow->Close(TRUE); + wxTheApp->DeletePendingObjects(); + } + else + { + delete pTopWindow; + wxTheApp->SetTopWindow(NULL); + } + } + wxTheApp->OnExit(); + wxApp::CleanUp(); + return(nRetValue); +} // end of wxEntry + +bool wxApp::OnInitGui() +{ + ERRORID vError; + wxString sError; - return retValue; -}; + m_hMq = ::WinCreateMsgQueue(vHabmain, 0); + if (!m_hMq) + { + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); + wxLogDebug(sError); + return FALSE; + } + return TRUE; +} // end of wxApp::OnInitGui +// // Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +// +wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; wxApp::wxApp() { - m_topWindow = NULL; - wxTheApp = this; - m_className = ""; - m_wantDebugOutput = TRUE ; - m_appName = ""; - argc = 0; - argv = NULL; -#ifdef __WXPM__ - m_printMode = wxPRINT_WINDOWS; -#else - m_printMode = wxPRINT_POSTSCRIPT; + m_topWindow = NULL; + wxTheApp = this; + m_wantDebugOutput = TRUE; + + argc = 0; + argv = NULL; + m_nPrintMode = wxPRINT_WINDOWS; + m_exitOnFrameDelete = TRUE; + m_bAuto3D = TRUE; + m_hMq = 0; +} // end of wxApp::wxApp + +wxApp::~wxApp() +{ + // + // Delete command-line args + // +#if wxUSE_UNICODE + int i; + + for (i = 0; i < argc; i++) + { + delete[] argv[i]; + } + delete[] argv; #endif - m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; -} +} // end of wxApp::~wxApp bool wxApp::Initialized() { - if (GetTopWindow()) - return TRUE; - else - return FALSE; -} + if (GetTopWindow()) + return TRUE; + else + return FALSE; +} // end of wxApp::Initialized + +// +// Get and process a message, returning FALSE if WM_QUIT +// received (and also set the flag telling the app to exit the main loop) +// +bool wxApp::DoMessage() +{ + BOOL bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0); +// wxUsleep(1000); + if (bRc == 0) + { + // got WM_QUIT + m_bKeepGoing = FALSE; + return FALSE; + } + else if (bRc == -1) + { + // should never happen, but let's test for it nevertheless + wxLogLastError("GetMessage"); + } + else + { +#if wxUSE_THREADS + wxASSERT_MSG( wxThread::IsMain() + ,wxT("only the main thread can process Windows messages") + ); + + static bool sbHadGuiLock = TRUE; + static wxMsgArray svSavedMessages; + + // + // If a secondary thread owns is doing GUI calls, save all messages for + // later processing - we can't process them right now because it will + // lead to recursive library calls (and we're not reentrant) + // + if (!wxGuiOwnedByMainThread()) + { + sbHadGuiLock = FALSE; + + // + // Leave out WM_COMMAND messages: too dangerous, sometimes + // the message will be processed twice + // + if ( !wxIsWaitingForThread() || + svCurrentMsg.msg != WM_COMMAND ) + { + svSavedMessages.Add(svCurrentMsg); + } + return TRUE; + } + else + { + // + // Have we just regained the GUI lock? if so, post all of the saved + // messages + // + if (!sbHadGuiLock ) + { + sbHadGuiLock = TRUE; + + size_t nCount = svSavedMessages.Count(); + + for (size_t n = 0; n < nCount; n++) + { + QMSG vMsg = svSavedMessages[n]; + + if ( !ProcessMessage((WXMSG *)&vMsg) ) + { + ::WinDispatchMsg(vHabmain, &vMsg); + } + } + svSavedMessages.Empty(); + } + } +#endif // wxUSE_THREADS + + // Process the message + if (!ProcessMessage((WXMSG *)&svCurrentMsg)) + { + ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg); + } + } + return TRUE; +} // end of wxApp::DoMessage + +////////////////////////////////////////////////////////////////////////////// +// +// Keep trying to process messages until WM_QUIT +// received. +// +// If there are messages to be processed, they will all be +// processed and OnIdle will not be called. +// When there are no more messages, OnIdle is called. +// If OnIdle requests more time, +// it will be repeatedly called so long as there are no pending messages. +// A 'feature' of this is that once OnIdle has decided that no more processing +// is required, then it won't get processing time until further messages +// are processed (it'll sit in DoMessage). +// +////////////////////////////////////////////////////////////////////////////// int wxApp::MainLoop() { - m_keepGoing = TRUE; - -/* TODO: implement your main loop here, calling ProcessIdle in idle time. - while (m_keepGoing) - { - while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle()) {} - if (!DoMessage()) - m_keepGoing = FALSE; - } -*/ - - return 0; -} + m_bKeepGoing = TRUE; + while (m_bKeepGoing) + { +#if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); +#endif // wxUSE_THREADS + while (!Pending() && ProcessIdle()) + { +// wxUsleep(10000); + } + DoMessage(); + } + return (int)svCurrentMsg.mp1; +} // end of wxApp::MainLoop + +// // Returns TRUE if more time is needed. +// bool wxApp::ProcessIdle() { - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); + wxIdleEvent vEvent; - return event.MoreRequested(); -} + vEvent.SetEventObject(this); + ProcessEvent(vEvent); + return vEvent.MoreRequested(); +} // end of wxApp::ProcessIdle void wxApp::ExitMainLoop() { - m_keepGoing = FALSE; + m_bKeepGoing = FALSE; } -// Is a message/event pending? bool wxApp::Pending() { -/* TODO. - */ - return FALSE; + return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0); } -// Dispatch a message. void wxApp::Dispatch() { -/* TODO. - */ + DoMessage(); } -void wxApp::OnIdle(wxIdleEvent& event) +////////////////////////////////////////////////////////////////////////////// +// +// Give all windows a chance to preprocess +// the message. Some may have accelerator tables, or have +// MDI complications. +// +////////////////////////////////////////////////////////////////////////////// +bool wxApp::ProcessMessage( + WXMSG* pWxmsg +) { - static bool inOnIdle = FALSE; - - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; - - inOnIdle = TRUE; - - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); - - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); - - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); - - if (needMore) - event.RequestMore(TRUE); + QMSG* pMsg = (PQMSG)pWxmsg; + HWND hWnd = pMsg->hwnd; + wxWindow* pWndThis = wxFindWinFromHandle((WXHWND)hWnd); + wxWindow* pWnd; + +#if wxUSE_TOOLTIPS + // + // We must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to + // popup the tooltip bubbles + // + if (pWndThis && (pMsg->msg == WM_MOUSEMOVE)) + { + wxToolTip* pToolTip = pWndThis->GetToolTip(); + if (pToolTip) + { + pToolTip->RelayEvent(pWxmsg); + } + } +#endif // wxUSE_TOOLTIPS + + // + // For some composite controls (like a combobox), wndThis might be NULL + // because the subcontrol is not a wxWindow, but only the control itself + // is - try to catch this case + // + while (hWnd && !pWndThis) + { + hWnd = ::WinQueryWindow(hWnd, QW_PARENT); + pWndThis = wxFindWinFromHandle((WXHWND)hWnd); + } + + // + // Try translations first; find the youngest window with + // a translation table. + // +#if 0 + for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent() ) + { + if (pMsg->msg == WM_CHAR) + if (pWnd->OS2TranslateMessage(pWxmsg)) + return TRUE; + } +#endif + // + // Anyone for a non-translation message? Try youngest descendants first. + // + for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent()) + { + if (pWnd->OS2ProcessMessage(pWxmsg)) + return TRUE; + } + return FALSE; +} // end of wxApp::ProcessMessage - inOnIdle = FALSE; -} +void wxApp::OnIdle( + wxIdleEvent& rEvent +) +{ + static bool sbInOnIdle = FALSE; + + // + // Avoid recursion (via ProcessEvent default case) + // + if (sbInOnIdle ) + return; + + sbInOnIdle = TRUE; + + // + // If there are pending events, we must process them: pending events + // are either events to the threads other than main or events posted + // with wxPostEvent() functions + // + ProcessPendingEvents(); + + // + // 'Garbage' collection of windows deleted with Close(). + // + DeletePendingObjects(); + +#if wxUSE_LOG + // + // Flush the logged messages if any + // + wxLog::FlushActive(); +#endif // wxUSE_LOG + + // + // Send OnIdle events to all windows + // + if (SendIdleEvents()) + { + // + // SendIdleEvents() returns TRUE if at least one window requested more + // idle events + // + rEvent.RequestMore(TRUE); + } + sbInOnIdle = FALSE; +} // end of wxApp::OnIdle // Send idle event to all top-level windows bool wxApp::SendIdleEvents() { - bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; - - node = node->Next(); - } - return needMore; -} + bool bNeedMore = FALSE; + wxWindowList::Node* pNode = wxTopLevelWindows.GetFirst(); + + while (pNode) + { + wxWindow* pWin = pNode->GetData(); + + if (SendIdleEvents(pWin)) + bNeedMore = TRUE; + pNode = pNode->GetNext(); + } + return bNeedMore; +} // end of wxApp::SendIdleEvents +// // Send idle event to window and all subwindows -bool wxApp::SendIdleEvents(wxWindow* win) +// +bool wxApp::SendIdleEvents( + wxWindow* pWin +) { - bool needMore = FALSE; + bool bNeedMore = FALSE; + wxIdleEvent vEvent; - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + vEvent.SetEventObject(pWin); + pWin->GetEventHandler()->ProcessEvent(vEvent); - if (event.MoreRequested()) - needMore = TRUE; + if (vEvent.MoreRequested()) + bNeedMore = TRUE; - wxNode* node = win->GetChildren().First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; + wxNode* pNode = pWin->GetChildren().First(); - node = node->Next(); - } - return needMore ; -} + while (pNode) + { + wxWindow* pWin = (wxWindow*) pNode->Data(); + + if (SendIdleEvents(pWin)) + bNeedMore = TRUE; + pNode = pNode->Next(); + } + return bNeedMore; +} // end of wxApp::SendIdleEvents void wxApp::DeletePendingObjects() { - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); + wxNode* pNode = wxPendingDelete.First(); - delete obj; + while (pNode) + { + wxObject* pObj = (wxObject *)pNode->Data(); - if (wxPendingDelete.Member(obj)) - delete node; + delete pObj; - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.First(); - } -} + if (wxPendingDelete.Member(pObj)) + delete pNode; -wxLog* wxApp::CreateLogTarget() -{ - return new wxLogGui; -} + // + // Deleting one object may have deleted other pending + // objects, so start from beginning of list again. + // + pNode = wxPendingDelete.First(); + } +} // end of wxApp::DeletePendingObjects -wxWindow* wxApp::GetTopWindow() const +void wxApp::OnEndSession( + wxCloseEvent& WXUNUSED(rEvent)) { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; -} + if (GetTopWindow()) + GetTopWindow()->Close(TRUE); +} // end of wxApp::OnEndSession + +// +// Default behaviour: close the application with prompts. The +// user can veto the close, and therefore the end session. +// +void wxApp::OnQueryEndSession( + wxCloseEvent& rEvent +) +{ + if (GetTopWindow()) + { + if (!GetTopWindow()->Close(!rEvent.CanVeto())) + rEvent.Veto(TRUE); + } +} // end of wxApp::OnQueryEndSession void wxExit() { - wxApp::CleanUp(); -/* - * TODO: Exit in some platform-specific way. Not recommended that the app calls this: - * only for emergencies. - */ -} + wxLogError(_("Fatal error: exiting")); -// Yield to other processes + wxApp::CleanUp(); +} // end of wxExit + +// +// Yield to incoming messages +// bool wxYield() { - /* - * TODO - */ - return TRUE; + HAB vHab = 0; + QMSG vMsg; + + // + // Disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + // + wxLog::Suspend(); + + // + // We want to go back to the main message loop + // if we see a WM_QUIT. (?) + // + while (::WinPeekMsg(vHab, &vMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && vMsg.msg != WM_QUIT) + { +#if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); +#endif // wxUSE_THREADS + if (!wxTheApp->DoMessage()) + break; + } + // + // If they are pending events, we must process them. + // + if (wxTheApp) + wxTheApp->ProcessPendingEvents(); + + // + // Let the logs be flashed again + // + wxLog::Resume(); + return TRUE; +} // end of wxYield + +wxIcon wxApp::GetStdIcon( + int nWhich +) const +{ + switch(nWhich) + { + case wxICON_INFORMATION: + return wxIcon("wxICON_INFO"); + + case wxICON_QUESTION: + return wxIcon("wxICON_QUESTION"); + + case wxICON_EXCLAMATION: + return wxIcon("wxICON_WARNING"); + + default: + wxFAIL_MSG(wxT("requested non existent standard icon")); + // still fall through + + case wxICON_HAND: + return wxIcon("wxICON_ERROR"); + } + return wxIcon("wxICON_ERROR"); +} // end of wxApp::GetStdIcon + +//----------------------------------------------------------------------------- +// wxWakeUpIdle +//----------------------------------------------------------------------------- + +void wxWakeUpIdle() +{ + // + // Send the top window a dummy message so idle handler processing will + // start up again. Doing it this way ensures that the idle handler + // wakes up in the right thread (see also wxWakeUpMainThread() which does + // the same for the main app thread only) + // + wxWindow* pTopWindow = wxTheApp->GetTopWindow(); + + if (pTopWindow) + { + if ( !::WinPostMsg(GetHwndOf(pTopWindow), WM_NULL, (MPARAM)0, (MPARAM)0)) + { + // + // Should never happen + // + wxLogLastError("PostMessage(WM_NULL)"); + } + } +} // end of wxWakeUpIdle + +HAB wxGetInstance() +{ + return vHabmain; +} + +void wxSetInstance( + HAB vHab +) +{ + vHabmain = vHab; }