X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..50494a55ae4f0ec07a15b811dbcce5a8ae9fc7bc:/src/os2/app.cpp diff --git a/src/os2/app.cpp b/src/os2/app.cpp index b04a01bbe2..7cb3bd50e6 100644 --- a/src/os2/app.cpp +++ b/src/os2/app.cpp @@ -1,391 +1,931 @@ ///////////////////////////////////////////////////////////////////////////// // 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" + +#include "wx/os2/private.h" + +#if wxUSE_THREADS + #include "wx/thread.h" + + // define the array of QMSG strutures + WX_DECLARE_OBJARRAY(QMSG, wxMsgArray); + + #include "wx/arrimpl.cpp" + + WX_DEFINE_OBJARRAY(wxMsgArray); +#endif // wxUSE_THREADS #if wxUSE_WX_RESOURCES -#include "wx/resource.h" + #include "wx/resource.h" #endif #include +#include + +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- + +extern wxChar* wxBuffer; +extern wxChar* wxOsVersion; +extern wxList* wxWinHandleList; +extern wxList WXDLLEXPORT wxPendingDelete; +extern void wxSetKeyboardHook(bool doIt); +extern wxCursor* g_globalCursor; + +HINSTANCE wxhInstance = 0; +QMSG svCurrentMsg; +wxApp* wxTheApp = NULL; +HAB vHabmain = NULL; + +// FIXME why not const? and not static? + +// 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; + +MRESULT wxWndProc( HWND + ,ULONG + ,MPARAM + ,MPARAM + ); + +// =========================================================================== +// 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 +) +{ + // Some people may wish to use this, but + // probably it shouldn't be here by default. +#ifdef __WXDEBUG__ + // wxRedirectIOToConsole(); +#endif -extern char *wxBuffer; -extern wxList wxPendingDelete; + wxBuffer = new wxChar[1500]; // FIXME; why? -wxApp *wxTheApp = NULL; + wxClassInfo::InitializeClasses(); -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) -END_EVENT_TABLE() +#if wxUSE_RESOURCES + wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion); #endif -long wxApp::sm_lastMessageTime = 0; + // I'm annoyed ... I don't know where to put this and I don't want to + // create a module for that as it's part of the core. + wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); + wxTheColourDatabase->Initialize(); -bool wxApp::Initialize() -{ -#ifdef __WXMSW__ - wxBuffer = new char[1500]; -#else - wxBuffer = new char[BUFSIZ + 512]; + wxInitializeStockLists(); + wxInitializeStockObjects(); + +#if wxUSE_WX_RESOURCES + wxInitializeResourceSystem(); #endif -/* No longer used -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + wxBitmap::InitStandardHandlers(); + + g_globalCursor = new wxCursor; - streambuf* sBuf = new wxDebugStreamBuf; - ostream* oStr = new ostream(sBuf) ; - wxDebugContext::SetStream(oStr, sBuf); +#if 0 + wxSTD_FRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_FRAME"), TRUE); + wxSTD_MDIPARENTFRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_MDIPARENTFRAME"), TRUE); + wxSTD_MDICHILDFRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_MDICHILDFRAME"), TRUE); + + wxDEFAULT_FRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_FRAME"), TRUE); + wxDEFAULT_MDIPARENTFRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_MDIPARENTFRAME"), TRUE); + wxDEFAULT_MDICHILDFRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_MDICHILDFRAME"), TRUE); +#endif + RegisterWindowClasses(vHab); + wxWinHandleList = new wxList(wxKEY_INTEGER); + + // This is to foil optimizations in Visual C++ that throw out dummy.obj. + // PLEASE DO NOT ALTER THIS. +#if !defined(WXMAKINGDLL) + extern char wxDummyChar; + if (wxDummyChar) wxDummyChar++; #endif -*/ - - wxClassInfo::InitializeClasses(); - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); + wxSetKeyboardHook(TRUE); - wxInitializeStockLists(); - wxInitializeStockObjects(); + wxModule::RegisterModules(); + if (!wxModule::InitializeModules()) + return FALSE; + return TRUE; +} -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif +// --------------------------------------------------------------------------- +// RegisterWindowClasses +// --------------------------------------------------------------------------- - wxBitmap::InitStandardHandlers(); +// TODO we should only register classes really used by the app. For this it +// would be enough to just delay the class registration until an attempt +// to create a window of this class is made. +bool wxApp::RegisterWindowClasses( + HAB vHab +) +{ + APIRET rc; + + if ((rc = ::WinRegisterClass( vHab + ,wxFrameClassName + ,(PFNWP)wxWndProc + ,CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME + ,0 + )) != 0) + { + wxLogLastError("RegisterClass(frame)"); + + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME + ,0 + )) + { + wxLogLastError("RegisterClass(no redraw frame)"); + + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIFrameClassName + ,(PFNWP)wxWndProc + ,CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME + ,0 + )) + { + wxLogLastError("RegisterClass(MDI parent)"); + + return FALSE; + } - wxModule::RegisterModules(); - wxASSERT( wxModule::InitializeModules() == TRUE ); + if (!::WinRegisterClass( vHab + ,wxMDIFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME + ,0 + )) + { + wxLogLastError("RegisterClass(no redraw MDI parent)"); + + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxMDIChildFrameClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPSIBLINGS | CS_FRAME + ,0 + )) + { + wxLogLastError("RegisterClass(MDI child)"); + + return FALSE; + } - return TRUE; + if (!::WinRegisterClass( vHab + ,wxMDIChildFrameClassNameNoRedraw + ,(PFNWP)wxWndProc + ,CS_HITTEST | CS_CLIPSIBLINGS | CS_FRAME + ,0 + )) + { + wxLogLastError("RegisterClass(no redraw MDI child)"); + + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxPanelClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_CLIPSIBLINGS | CS_SAVEBITS | CS_SYNCPAINT + ,0 + )) + { + wxLogLastError("RegisterClass(Panel)"); + + return FALSE; + } + + if (!::WinRegisterClass( vHab + ,wxCanvasClassName + ,(PFNWP)wxWndProc + ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_CLIPSIBLINGS | CS_SAVEBITS | CS_SYNCPAINT + ,0 + )) + { + wxLogLastError("RegisterClass(Canvas)"); + + return FALSE; + } + return TRUE; } +//// 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(); + + // wxDefaultResourceTable->ClearTable(); #endif - wxDeleteStockObjects() ; + // Indicate that the cursor can be freed, so that cursor won't be deleted + // by deleting the bitmap list before g_globalCursor goes out of scope + // (double deletion of the cursor). + wxSetCursor(wxNullCursor); + delete g_globalCursor; + g_globalCursor = NULL; + + 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; + //// WINDOWS-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 ); + } + + if (wxWinHandleList) + delete wxWinHandleList; + + // GL: I'm annoyed ... I don't know where to put this and I don't want to + // create a module for that as it's part of the core. +#if wxUSE_THREADS + delete wxPendingEvents; + delete wxPendingEventsLocker; + // If we don't do the following, we get an apparent memory leak. + ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker(); +#endif + + wxClassInfo::CleanUpClasses(); + + delete wxTheApp; + wxTheApp = NULL; - delete wxTheApp; - wxTheApp = NULL; - #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); + // 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 - - // 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); + +#if wxUSE_LOG + // do it as the very last thing because everything else can log messages + delete wxLog::SetActiveTarget(NULL); +#endif // wxUSE_LOG } -int wxEntry( int argc, char *argv[] ) +int wxEntry( + int argc +, char* argv[] +) { - if (!wxApp::Initialize()) - return FALSE; - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) + HAB vHab = 0; + + if (!wxApp::Initialize(vHab)) + return 0; + + // + // create the application object or ensure that one already exists + // + if (!wxTheApp) + { + wxCHECK_MSG( wxApp::GetInitializerFunction() + ,-1 + ,wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") + ); + + wxAppInitializerFunction fnAppIni = wxApp::GetInitializerFunction(); + wxObject* pTest_app = fnAppIni(); + + wxTheApp = (wxApp*)pTest_app; + } + wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") ); + wxTheApp->argc = argc; + +#if wxUSE_UNICODE + wxTheApp->argv = new wxChar*[argc+1]; + + int nArgc = 0; + + while (nArgc < argc) { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - }; - - wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) (); - }; - - if (!wxTheApp) - { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; - }; - - wxTheApp->argc = argc; - wxTheApp->argv = argv; - - // GUI-specific initialization, such as creating an app context. - wxTheApp->OnInitGui(); - - // Here frames insert themselves automatically - // into wxTopLevelWindows by getting created - // in OnInit(). - - if (!wxTheApp->OnInit()) return 0; - - int retValue = 0; - - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); - - if (wxTheApp->GetTopWindow()) - { - delete wxTheApp->GetTopWindow(); - wxTheApp->SetTopWindow(NULL); - } - - wxTheApp->DeletePendingObjects(); - - wxTheApp->OnExit(); - - wxApp::CleanUp(); - - return retValue; -}; + wxTheApp->argv[nArgc] = wxStrdup(wxConvLibc.cMB2WX(argv[nArgc])); + nArgc++; + } + wxTheApp->argv[nArgc] = (wxChar *)NULL; +#else + wxTheApp->argv = argv; +#endif + + wxString sName(wxFileNameFromPath(argv[0])); + + wxStripExtension(sName); + wxTheApp->SetAppName(sName); + + int nRetValue = 0; + if (!wxTheApp->OnInitGui()) + nRetValue = -1; + + if (nRetValue == 0) + { + if (wxTheApp->OnInit()) + { + nRetValue = -1; + } + } + + if (nRetValue == 0) + { + wxWindow* pTopWindow = wxTheApp->GetTopWindow(); + + 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); +} + +bool wxApp::OnInitGui() +{ + vHabmain = WinInitialize(0); + m_hMq = WinCreateMsgQueue(vHabmain, 0); + + return TRUE; +} + +// // 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 __WXMSW__ - 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; +} + +wxApp::~wxApp() +{ +#ifdef wxUSE_UNICODE + // Delete command-line args + int i; + for (i = 0; i < argc; i++) + { + delete[] argv[i]; + } + delete[] argv; #endif - m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; } bool wxApp::Initialized() { - if (GetTopWindow()) + if (GetTopWindow()) + return TRUE; + else + return FALSE; +} + +// +// 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, &m_vMsg, HWND(NULL), 0, 0); + + 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 + // + // FIXME of course, it's not _exactly_ the same as processing the + // messages normally - expect some things to break... + // + 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; - else - return FALSE; } +////////////////////////////////////////////////////////////////////////////// +// +// 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 (!::WinPeekMsg(vHabmain, &svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && + ProcessIdle() ) + { + } + DoMessage(); + } + return (int)svCurrentMsg.mp1; } +// // Returns TRUE if more time is needed. +// bool wxApp::ProcessIdle() { - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); + wxIdleEvent vEvent; + + vEvent.SetEventObject(this); + ProcessEvent(vEvent); + return vEvent.MoreRequested(); +} + +#if wxUSE_THREADS +void wxApp::ProcessPendingEvents() +{ + wxNode* pNode = wxPendingEvents->First(); + wxCriticalSectionLocker vLocker(*wxPendingEventsLocker); + + while (pNode) + { + wxEvtHandler* pHandler = (wxEvtHandler *)pNode->Data(); + pHandler->ProcessPendingEvents(); - return event.MoreRequested(); + delete pNode; + pNode = wxPendingEvents->First(); + } } +#endif 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(); +} + +////////////////////////////////////////////////////////////////////////////// +// +// Give all windows a chance to preprocess +// the message. Some may have accelerator tables, or have +// MDI complications. +// +////////////////////////////////////////////////////////////////////////////// +bool wxApp::ProcessMessage( + WXMSG* pWxmsg +) +{ + QMSG* vMsg = (PQMSG)pWxmsg; + HWND hWnd = vMsg->hwnd; + wxWindow* pWndThis = wxFindWinFromHandle((WXHWND)hWnd); + wxWindow* pWnd; + + // + // 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); + } + + // 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; } -void wxApp::OnIdle(wxIdleEvent& event) +void wxApp::OnIdle( + wxIdleEvent& rEvent +) { - static bool inOnIdle = FALSE; + static bool sbInOnIdle = FALSE; - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; + // + // Avoid recursion (via ProcessEvent default case) + // + if (sbInOnIdle ) + return; - inOnIdle = TRUE; + sbInOnIdle = TRUE; - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); + // + // '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(); +#if wxUSE_LOG + // flush the logged messages if any + wxLog* pLog = wxLog::GetActiveTarget(); - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); + if (pLog != NULL && pLog->HasPendingMessages()) + pLog->Flush(); +#endif // wxUSE_LOG - if (needMore) - event.RequestMore(TRUE); + // Send OnIdle events to all windows + if (SendIdleEvents()) + { + // + // SendIdleEvents() returns TRUE if at least one window requested more + // idle events + // + rEvent.RequestMore(TRUE); + } + + // + // If they are pending events, we must process them. + // +#if wxUSE_THREADS + ProcessPendingEvents(); +#endif + sbInOnIdle = FALSE; +} - inOnIdle = FALSE; +void wxWakeUpIdle() +{ + // **** please implement me! **** + // Wake up the idle handler processor, even if it is in another thread... } // 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; } +// // 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; } void wxApp::DeletePendingObjects() { - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if (wxPendingDelete.Member(obj)) - delete node; - - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.First(); - } + wxNode* pNode = wxPendingDelete.First(); + + while (pNode) + { + wxObject* pObj = (wxObject *)pNode->Data(); + + delete pObj; + + if (wxPendingDelete.Member(pObj)) + delete pNode; + + // + // Deleting one object may have deleted other pending + // objects, so start from beginning of list again. + // + pNode = wxPendingDelete.First(); + } } -wxLog* wxApp::CreateLogTarget() +void wxApp::OnEndSession( + wxCloseEvent& WXUNUSED(rEvent)) { - return new wxLogGui; + if (GetTopWindow()) + GetTopWindow()->Close(TRUE); } -wxWindow* wxApp::GetTopWindow() const +// +// Default behaviour: close the application with prompts. The +// user can veto the close, and therefore the end session. +// +void wxApp::OnQueryEndSession( + wxCloseEvent& rEvent +) { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; + if (GetTopWindow()) + { + if (!GetTopWindow()->Close(!rEvent.CanVeto())) + rEvent.Veto(TRUE); + } } 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")); + + wxApp::CleanUp(); } -// Yield to other processes +// Yield to incoming messages bool wxYield() { - /* - * TODO - */ - return TRUE; + HAB vHab = 0; + QMSG vMsg; + // 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 (!wxTheApp->DoMessage()) + break; + } + // If they are pending events, we must process them. +#if wxUSE_THREADS + wxTheApp->ProcessPendingEvents(); +#endif + return TRUE; +} + +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"); +} + +HINSTANCE wxGetInstance() +{ + return wxhInstance; +} + +void wxSetInstance(HINSTANCE hInst) +{ + wxhInstance = hInst; }