X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42e69d6b435a4dd5415caf3750db62cf45b6f373..fae5c452834a398c06a318e5da65cff7791eff2b:/src/msw/app.cpp diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 33f10ba51a..ed4d736788 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -43,12 +43,15 @@ #include "wx/msgdlg.h" #include "wx/intl.h" #include "wx/dynarray.h" + #include "wx/wxchar.h" + #include "wx/icon.h" #endif -#include "wx/msw/private.h" #include "wx/log.h" #include "wx/module.h" +#include "wx/msw/private.h" + #if wxUSE_THREADS #include "wx/thread.h" @@ -64,8 +67,13 @@ #include "wx/resource.h" #endif -// OLE is used for drag-and-drop, clipboard, OLE Automation... -#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__) +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS + +// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some +// compilers don't support it (missing headers, libs, ...) +#if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__) #undef wxUSE_OLE #define wxUSE_OLE 0 @@ -78,37 +86,61 @@ #include #include -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) #include #endif #include "wx/msw/msvcrt.h" +// ---------------------------------------------------------------------------- +// conditional compilation +// ---------------------------------------------------------------------------- + +// The macro _WIN32_IE is defined by commctrl.h (unless it had already been +// defined before) and shows us what common control features are available +// during the compile time (it doesn't mean that they will be available during +// the run-time, use GetComCtl32Version() to test for them!). The possible +// values are: +// +// 0x0200 for comctl32.dll 4.00 shipped with Win95/NT 4.0 +// 0x0300 4.70 IE 3.x +// 0x0400 4.71 IE 4.0 +// 0x0401 4.72 IE 4.01 and Win98 +// 0x0500 5.00 IE 5.x and NT 5.0 (Win2000) + +#ifndef _WIN32_IE + // minimal set of features by default + #define _WIN32_IE 0x0200 +#endif + +#if _WIN32_IE >= 0x0300 + #include +#endif + // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- -extern char *wxBuffer; -extern char *wxOsVersion; +extern wxChar *wxBuffer; extern wxList *wxWinHandleList; extern wxList WXDLLEXPORT wxPendingDelete; -#if wxUSE_THREADS -extern wxList *wxPendingEvents; -extern wxCriticalSection *wxPendingEventsLocker; -#endif extern void wxSetKeyboardHook(bool doIt); -extern wxCursor *g_globalCursor; -HINSTANCE wxhInstance = 0; MSG s_currentMsg; wxApp *wxTheApp = NULL; -// FIXME why not const? and not static? -char wxFrameClassName[] = "wxFrameClass"; -char wxMDIFrameClassName[] = "wxMDIFrameClass"; -char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass"; -char wxPanelClassName[] = "wxPanelClass"; -char wxCanvasClassName[] = "wxCanvasClass"; +// NB: all "NoRedraw" classes must have the same names as the "normal" classes +// with NR suffix - wxWindow::MSWCreate() supposes this +const wxChar *wxFrameClassName = wxT("wxFrameClass"); +const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR"); +const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass"); +const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR"); +const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass"); +const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR"); +const wxChar *wxPanelClassName = wxT("wxPanelClass"); +const wxChar *wxPanelClassNameNR = wxT("wxPanelClassNR"); +const wxChar *wxCanvasClassName = wxT("wxCanvasClass"); +const wxChar *wxCanvasClassNameNR = wxT("wxCanvasClassNR"); HICON wxSTD_FRAME_ICON = (HICON) NULL; HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL; @@ -120,16 +152,20 @@ HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; HBRUSH wxDisableButtonBrush = (HBRUSH) 0; -LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); +LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); -#if defined(__WIN95__) && !defined(__TWIN32__) - #define wxUSE_RICHEDIT 1 -#else - #define wxUSE_RICHEDIT 0 -#endif +// FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it +// needs compiler support for Win32 SEH. Others (especially Borland) +// probably have it too, but I'm not sure about how it works +// JACS: get 'Cannot use __try in functions that require unwinding +// in Unicode mode, so disabling. +#if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE) + #undef wxUSE_ON_FATAL_EXCEPTION + #define wxUSE_ON_FATAL_EXCEPTION 0 +#endif // VC++ -#if wxUSE_RICHEDIT - static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL; +#if wxUSE_ON_FATAL_EXCEPTION + static bool gs_handleExceptions = FALSE; #endif // =========================================================================== @@ -140,38 +176,50 @@ LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); // wxApp // --------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) +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() -#endif +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() { + // the first thing to do is to check if we're trying to run an Unicode + // program under Win9x - if so, abort right now as it has no chance to + // work +#if wxUSE_UNICODE + if ( wxGetOsVersion() != wxWINDOWS_NT ) + { + // note that we can use MessageBoxW() as it's implemented even under + // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs + // used by wxLocale are not + ::MessageBox + ( + NULL, + _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."), + _T("wxWindows Fatal Error"), + MB_ICONERROR | MB_OK + ); + + return FALSE; + } +#endif // wxUSE_UNICODE + // Some people may wish to use this, but // probably it shouldn't be here by default. #ifdef __WXDEBUG__ // wxRedirectIOToConsole(); #endif - wxBuffer = new char[1500]; // FIXME + wxBuffer = new wxChar[1500]; // FIXME wxClassInfo::InitializeClasses(); -#if wxUSE_RESOURCES - wxGetResource("wxWindows", "OsVersion", &wxOsVersion); -#endif - - // 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 - wxPendingEvents = new wxList(); - wxPendingEventsLocker = new wxCriticalSection(); + wxPendingEventsLocker = new wxCriticalSection; #endif wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); @@ -189,43 +237,38 @@ bool wxApp::Initialize() #if defined(__WIN95__) InitCommonControls(); -#if wxUSE_RICHEDIT - gs_hRichEdit = LoadLibrary("RICHED32.DLL"); - - if (gs_hRichEdit == (HINSTANCE) NULL) - { - wxLogError(_("Could not initialise Rich Edit DLL")); - } -#endif // wxUSE_RICHEDIT - #endif // __WIN95__ +#if wxUSE_OLE + +#ifdef __WIN16__ // for OLE, enlarge message queue to be as large as possible int iMsg = 96; - while (!SetMessageQueue(iMsg) && (iMsg -= 8)); - -#if wxUSE_OLE + while (!SetMessageQueue(iMsg) && (iMsg -= 8)) + ; +#endif // Win16 // we need to initialize OLE library if ( FAILED(::OleInitialize(NULL)) ) wxLogError(_("Cannot initialize OLE")); -#endif +#endif // wxUSE_OLE #if wxUSE_CTL3D if (!Ctl3dRegister(wxhInstance)) - wxLogError("Cannot register CTL3D"); + wxLogError(wxT("Cannot register CTL3D")); Ctl3dAutoSubclass(wxhInstance); #endif - g_globalCursor = new wxCursor; + // VZ: these icons are not in wx.rc anyhow (but should they?)! +#if 0 + wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME")); + wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME")); + wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME")); - wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME"); - wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME"); - wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME"); - - wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME"); - wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME"); - wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME"); + wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME")); + wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME")); + wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME")); +#endif // 0 RegisterWindowClasses(); @@ -233,9 +276,13 @@ bool wxApp::Initialize() LOGBRUSH lb; lb.lbStyle = BS_PATTERN; - lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ); - wxDisableButtonBrush = ::CreateBrushIndirect( & lb ); - ::DeleteObject( (HGDIOBJ)lb.lbHatch ); + lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") ); + if ( lb.lbHatch ) + { + wxDisableButtonBrush = ::CreateBrushIndirect( & lb ); + ::DeleteObject( (HGDIOBJ)lb.lbHatch ); + } + //else: wxWindows resources are probably not linked in #if wxUSE_PENWINDOWS wxRegisterPenWin(); @@ -245,7 +292,7 @@ bool wxApp::Initialize() // This is to foil optimizations in Visual C++ that throw out dummy.obj. // PLEASE DO NOT ALTER THIS. -#if defined(__VISUALC__) && !defined(WXMAKINGDLL) +#if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL) extern char wxDummyChar; if (wxDummyChar) wxDummyChar++; #endif @@ -262,15 +309,22 @@ bool wxApp::Initialize() // RegisterWindowClasses // --------------------------------------------------------------------------- +// 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() { WNDCLASS wndclass; + // for each class we register one with CS_(V|H)REDRAW style and one + // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag + static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; + static const long styleNoRedraw = CS_DBLCLKS; + // the fields which are common to all classes - wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; wndclass.lpfnWndProc = (WNDPROC)wxWndProc; wndclass.cbClsExtra = 0; - wndclass.cbWndExtra = sizeof( DWORD ); // what is this DWORD used for? + wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for? wndclass.hInstance = wxhInstance; wndclass.hIcon = (HICON) NULL; wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); @@ -278,14 +332,23 @@ bool wxApp::RegisterWindowClasses() // Register the frame window class. wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1); -#ifdef _MULTIPLE_INSTANCES - sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance ); -#endif wndclass.lpszClassName = wxFrameClassName; + wndclass.style = styleNormal; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(frame)")); + + return FALSE; + } + + // "no redraw" frame + wndclass.lpszClassName = wxFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(frame)"); + wxLogLastError(wxT("RegisterClass(no redraw frame)")); return FALSE; } @@ -293,10 +356,22 @@ bool wxApp::RegisterWindowClasses() // Register the MDI frame window class. wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves wndclass.lpszClassName = wxMDIFrameClassName; + wndclass.style = styleNormal; if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(MDI parent)"); + wxLogLastError(wxT("RegisterClass(MDI parent)")); + + return FALSE; + } + + // "no redraw" MDI frame + wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); return FALSE; } @@ -304,10 +379,22 @@ bool wxApp::RegisterWindowClasses() // Register the MDI child frame window class. wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); wndclass.lpszClassName = wxMDIChildFrameClassName; + wndclass.style = styleNormal; if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(MDI child)"); + wxLogLastError(wxT("RegisterClass(MDI child)")); + + return FALSE; + } + + // "no redraw" MDI child frame + wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); return FALSE; } @@ -315,10 +402,22 @@ bool wxApp::RegisterWindowClasses() // Register the panel window class. wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH ); wndclass.lpszClassName = wxPanelClassName; + wndclass.style = styleNormal; if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(panel)"); + wxLogLastError(wxT("RegisterClass(panel)")); + + return FALSE; + } + + // Register the no redraw panel window class. + wndclass.lpszClassName = wxPanelClassNameNR; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw panel)")); return FALSE; } @@ -329,7 +428,16 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(canvas)"); + wxLogLastError(wxT("RegisterClass(canvas)")); + + return FALSE; + } + + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw canvas)")); return FALSE; } @@ -349,13 +457,13 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) int count = 0; // Get application name - char name[260]; // 260 is MAX_PATH value from windef.h + wxChar name[260]; // 260 is MAX_PATH value from windef.h ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name)); args.Add(name); count++; - strcpy(name, wxFileNameFromPath(name)); + wxStrcpy(name, wxFileNameFromPath(name)); wxStripExtension(name); wxTheApp->SetAppName(name); @@ -366,16 +474,16 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) while (i < len) { // Skip whitespace - while ((i < len) && isspace(cmdLine.GetChar(i))) + while ((i < len) && wxIsspace(cmdLine.GetChar(i))) i ++; if (i < len) { - if (cmdLine.GetChar(i) == '"') // We found the start of a string + if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string { i ++; int first = i; - while ((i < len) && (cmdLine.GetChar(i) != '"')) + while ((i < len) && (cmdLine.GetChar(i) != wxT('"'))) i ++; wxString arg(cmdLine.Mid(first, (i - first))); @@ -389,7 +497,7 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) else // Unquoted argument { int first = i; - while ((i < len) && !isspace(cmdLine.GetChar(i))) + while ((i < len) && !wxIsspace(cmdLine.GetChar(i))) i ++; wxString arg(cmdLine.Mid(first, (i - first))); @@ -400,11 +508,11 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) } } - wxTheApp->argv = new char*[count + 1]; + wxTheApp->argv = new wxChar*[count + 1]; for (i = 0; i < count; i++) { wxString arg(args[i]); - wxTheApp->argv[i] = copystring((const char*)arg); + wxTheApp->argv[i] = copystring((const wxChar*)arg); } wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list wxTheApp->argc = count; @@ -416,6 +524,7 @@ void wxApp::CleanUp() { //// 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 @@ -424,6 +533,7 @@ void wxApp::CleanUp() // 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(); @@ -436,13 +546,6 @@ void wxApp::CleanUp() // wxDefaultResourceTable->ClearTable(); #endif - // 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. @@ -460,15 +563,6 @@ void wxApp::CleanUp() wxSetKeyboardHook(FALSE); -#ifdef __WIN95__ - -#if wxUSE_RICHEDIT - if (gs_hRichEdit != (HINSTANCE) NULL) - FreeLibrary(gs_hRichEdit); -#endif - -#endif - #if wxUSE_PENWINDOWS wxCleanUpPenWin(); #endif @@ -501,13 +595,15 @@ void wxApp::CleanUp() if (wxWinHandleList) delete wxWinHandleList; - // GL: I'm annoyed ... I don't know where to put this and I don't want to + // 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; +#if wxUSE_THREADS delete wxPendingEventsLocker; // If we don't do the following, we get an apparent memory leak. +#if wxUSE_VALIDATORS ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker(); +#endif #endif wxClassInfo::CleanUpClasses(); @@ -522,17 +618,40 @@ void wxApp::CleanUp() // wxDebugContext, too. if (wxDebugContext::CountObjectsLeft(TRUE) > 0) { - wxLogDebug("There were memory leaks."); + wxLogMessage(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 } +//---------------------------------------------------------------------- +// Entry point helpers, used by wxPython +//---------------------------------------------------------------------- + +int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) ) +{ + return wxApp::Initialize(); +} + +int WXDLLEXPORT wxEntryInitGui() +{ + wxTheApp->OnInitGui(); + return 0; +} + +void WXDLLEXPORT wxEntryCleanup() +{ + wxApp::CleanUp(); +} + + #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) // temporarily disable this warning which would be generated in release builds @@ -541,7 +660,9 @@ void wxApp::CleanUp() #pragma warning(disable: 4715) // not all control paths return a value #endif // Visual C++ -//// Main wxWindows entry point +//---------------------------------------------------------------------- +// Main wxWindows entry point +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lpCmdLine, @@ -552,22 +673,26 @@ int wxEntry(WXHINSTANCE hInstance, // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free // deallocated memory which may be used to simulate low-memory condition) wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); +#ifdef __MWERKS__ +#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + // This seems to be necessary since there are 'rogue' + // objects present at this point (perhaps global objects?) + // Setting a checkpoint will ignore them as far as the + // memory checking facility is concerned. + // Of course you may argue that memory allocated in globals should be + // checked, but this is a reasonable compromise. + wxDebugContext::SetCheckpoint(); +#endif +#endif - // take everything into a try-except block in release build - // FIXME other compilers must support Win32 SEH (structured exception - // handling) too, just find the appropriate keyword in their docs! - // Please note that it's _not_ the same as C++ exceptions! -#if !defined(__WXDEBUG__) && defined(__VISUALC__) - #define CATCH_PROGRAM_EXCEPTIONS - + // take everything into a try-except block to be able to call + // OnFatalException() if necessary +#if wxUSE_ON_FATAL_EXCEPTION __try { -#else - #undef CATCH_PROGRAM_EXCEPTIONS #endif - wxhInstance = (HINSTANCE) hInstance; - if (!wxApp::Initialize()) + if (!wxEntryStart(0,0)) return 0; // create the application object or ensure that one already exists @@ -577,12 +702,12 @@ int wxEntry(WXHINSTANCE hInstance, // the IMPLEMENT_APP macro is used instead, which sets an initializer // function for delayed, dynamic app object construction. wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, - "No initializer - use IMPLEMENT_APP macro." ); + wxT("No initializer - use IMPLEMENT_APP macro.") ); wxTheApp = (*wxApp::GetInitializerFunction()) (); } - wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" ); + wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") ); // save the WinMain() parameters wxTheApp->ConvertToStandardCommandArgs(lpCmdLine); @@ -590,19 +715,44 @@ int wxEntry(WXHINSTANCE hInstance, // GUI-specific initialisation. In fact on Windows we don't have any, // but this call is provided for compatibility across platforms. - wxTheApp->OnInitGui(); + wxEntryInitGui(); + + // We really don't want timestamps by default, because it means + // we can't simply double-click on the error message and get to that + // line in the source. So VC++ at least, let's have a sensible default. +#ifdef __VISUALC__ + wxLog::SetTimestamp(NULL); +#endif int retValue = 0; - if ( wxTheApp->OnInit() ) + // it is common to create a modal dialog in OnInit() (to ask/notify the + // user about something) but it wouldn't work if we don't change the + // "exit on delete last frame" flag here as when this dialog is + // deleted, the app would terminate (it was the last top level window + // as the main frame wasn't created yet!), so disable this behaviour + // temproarily + bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete(); + wxTheApp->SetExitOnFrameDelete(FALSE); + + // init the app + retValue = wxTheApp->OnInit() ? 0 : -1; + + // restore the old flag value + wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete); + + if ( retValue == 0 ) { if ( enterLoop ) { + // run the main loop retValue = wxTheApp->OnRun(); } else - // We want to initialize, but not run or exit immediately. + { + // we want to initialize, but not run or exit immediately. return 1; + } } //else: app initialization failed, so we skipped OnRun() @@ -625,30 +775,25 @@ int wxEntry(WXHINSTANCE hInstance, wxTheApp->OnExit(); - wxApp::CleanUp(); + wxEntryCleanup(); return retValue; -#ifdef CATCH_PROGRAM_EXCEPTIONS +#if wxUSE_ON_FATAL_EXCEPTION } - __except ( EXCEPTION_EXECUTE_HANDLER ) { - /* - if ( wxTheApp ) + __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER + : EXCEPTION_CONTINUE_SEARCH ) { + if ( wxTheApp ) + { + // give the user a chance to do something special about this wxTheApp->OnFatalException(); - */ - - // using wxLog would be unsafe here - ::MessageBox(NULL, - _("Unrecoverable program error detected: " - " the application will terminate."), - _("Fatal Error"), - MB_APPLMODAL | MB_ICONSTOP | MB_OK); + } ::ExitProcess(3); // the same exit code as abort() // NOTREACHED } -#endif // CATCH_PROGRAM_EXCEPTIONS +#endif // wxUSE_ON_FATAL_EXCEPTION } // restore warning state @@ -658,12 +803,14 @@ int wxEntry(WXHINSTANCE hInstance, #else /* _WINDLL */ -//// Entry point for DLLs +//---------------------------------------------------------------------- +// Entry point for wxWindows + the App in a DLL +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance) { wxhInstance = (HINSTANCE) hInstance; - wxApp::Initialize(); + wxEntryStart(0, 0); // The app may have declared a global application object, but we recommend // the IMPLEMENT_APP macro is used instead, which sets an initializer function @@ -681,7 +828,7 @@ int wxEntry(WXHINSTANCE hInstance) wxTheApp->argc = 0; wxTheApp->argv = NULL; - wxTheApp->OnInitGui(); + wxEntryInitGui(); wxTheApp->OnInit(); @@ -697,7 +844,7 @@ int wxEntry(WXHINSTANCE hInstance) //// Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; wxApp::wxApp() { @@ -730,8 +877,7 @@ bool wxApp::Initialized() return TRUE; else return FALSE; -#endif -#ifdef _WINDLL // Assume initialized if DLL (no way of telling) +#else // Assume initialized if DLL (no way of telling) return TRUE; #endif } @@ -754,13 +900,13 @@ bool wxApp::DoMessage() else if ( rc == -1 ) { // should never happen, but let's test for it nevertheless - wxLogLastError("GetMessage"); + wxLogLastError(wxT("GetMessage")); } else { #if wxUSE_THREADS wxASSERT_MSG( wxThread::IsMain(), - "only the main thread can process Windows messages" ); + wxT("only the main thread can process Windows messages") ); static bool s_hadGuiLock = TRUE; static wxMsgArray s_aSavedMessages; @@ -845,12 +991,10 @@ int wxApp::MainLoop() wxMutexGuiLeaveOrEnter(); #endif // wxUSE_THREADS - while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle() ) - { - } - + while ( !Pending() && ProcessIdle() ) + ; + // a message came or no more idle processing to do DoMessage(); } @@ -867,33 +1011,15 @@ bool wxApp::ProcessIdle() return event.MoreRequested(); } -#if wxUSE_THREADS -void wxApp::ProcessPendingEvents() -{ - wxNode *node = wxPendingEvents->First(); - wxCriticalSectionLocker locker(*wxPendingEventsLocker); - - while (node) - { - wxEvtHandler *handler = (wxEvtHandler *)node->Data(); - - handler->ProcessPendingEvents(); - - delete node; - node = wxPendingEvents->First(); - } -} -#endif - - void wxApp::ExitMainLoop() { + // VZ: why not ::PostQuitMessage()? m_keepGoing = FALSE; } bool wxApp::Pending() { - return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0); + return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0; } void wxApp::Dispatch() @@ -911,14 +1037,35 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg) { MSG *msg = (MSG *)wxmsg; HWND hWnd = msg->hwnd; - wxWindow *wndThis = wxFindWinFromHandle((WXHWND)hWnd), *wnd; + wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd); + +#if wxUSE_TOOLTIPS + // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to + // popup the tooltip bubbles + if ( wndThis && (msg->message == WM_MOUSEMOVE) ) + { + wxToolTip *tt = wndThis->GetToolTip(); + if ( tt ) + { + tt->RelayEvent(wxmsg); + } + } +#endif // wxUSE_TOOLTIPS // Try translations first; find the youngest window with // a translation table. + wxWindow *wnd; + for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) { if ( wnd->MSWTranslateMessage(wxmsg) ) return TRUE; + + // stop at first top level window, i.e. don't try to process the key + // strokes originating in a dialog using the accelerators of the parent + // frame - this doesn't make much sense + if ( wnd->IsTopLevel() ) + break; } // Anyone for a non-translation message? Try youngest descendants first. @@ -941,13 +1088,22 @@ void wxApp::OnIdle(wxIdleEvent& event) s_inOnIdle = 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 + // GRG: I have moved this here so that all pending events are processed + // before starting to delete any objects. This behaves better (in + // particular, wrt wxPostEvent) and is coherent with wxGTK's current + // behaviour. Changed Feb/2000 before 2.1.14 + ProcessPendingEvents(); + // 'Garbage' collection of windows deleted with Close(). DeletePendingObjects(); +#if wxUSE_LOG // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + wxLog::FlushActive(); +#endif // wxUSE_LOG // Send OnIdle events to all windows if ( SendIdleEvents() ) @@ -957,10 +1113,6 @@ void wxApp::OnIdle(wxIdleEvent& event) event.RequestMore(TRUE); } - // If they are pending events, we must process them. -#if wxUSE_THREADS - ProcessPendingEvents(); -#endif s_inOnIdle = FALSE; } @@ -1040,62 +1192,91 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event) } } -wxLog* wxApp::CreateLogTarget() -{ - return new wxLogGui; -} - -wxWindow* wxApp::GetTopWindow() const +/* static */ +int wxApp::GetComCtl32Version() { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.GetCount() > 0) - return wxTopLevelWindows.GetFirst()->GetData(); - else - return NULL; -} + // cache the result + static int s_verComCtl32 = -1; -int wxApp::GetComCtl32Version() const -{ - // have we loaded COMCTL32 yet? - HMODULE theModule = ::GetModuleHandle("COMCTL32"); - int version = 0; + wxCRIT_SECT_DECLARE(csComCtl32); + wxCRIT_SECT_LOCKER(lock, csComCtl32); - // if so, then we can check for the version - if (theModule) + if ( s_verComCtl32 == -1 ) { - // InitCommonControlsEx is unique to 4.7 and later - FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx"); + // initally assume no comctl32.dll at all + s_verComCtl32 = 0; - if (! theProc) - { // not found, must be 4.00 - version = 400; - } - else + // do we have it? + HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32")); + + // if so, then we can check for the version + if ( hModuleComCtl32 ) { - // The following symbol are unique to 4.71 - // DllInstall - // FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos - // FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo - // FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange - // FlatSB_ShowScrollBar - // _DrawIndirectImageList _DuplicateImageList - // InitializeFlatSB - // UninitializeFlatSB - // we could check for any of these - I chose DllInstall - FARPROC theProc = ::GetProcAddress(theModule, "DllInstall"); - if (! theProc) - { - // not found, must be 4.70 - version = 470; - } - else - { // found, must be 4.71 - version = 471; - } + // try to use DllGetVersion() if available in _headers_ + #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h + DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC) + ::GetProcAddress(hModuleComCtl32, "DllGetVersion"); + if ( pfnDllGetVersion ) + { + DLLVERSIONINFO dvi; + dvi.cbSize = sizeof(dvi); + + HRESULT hr = (*pfnDllGetVersion)(&dvi); + if ( FAILED(hr) ) + { + wxLogApiError(_T("DllGetVersion"), hr); + } + else + { + // this is incompatible with _WIN32_IE values, but + // compatible with the other values returned by + // GetComCtl32Version() + s_verComCtl32 = 100*dvi.dwMajorVersion + + dvi.dwMinorVersion; + } + } + #endif + // DllGetVersion() unavailable either during compile or + // run-time, try to guess the version otherwise + if ( !s_verComCtl32 ) + { + // InitCommonControlsEx is unique to 4.70 and later + FARPROC theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitCommonControlsEx" + ); + + if ( !theProc ) + { + // not found, must be 4.00 + s_verComCtl32 = 400; + } + else + { + // many symbols appeared in comctl32 4.71, could use + // any of them except may be DllInstall + theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitializeFlatSB" + ); + if ( !theProc ) + { + // not found, must be 4.70 + s_verComCtl32 = 470; + } + else + { + // found, must be 4.71 + s_verComCtl32 = 471; + } + } + } } } - return version; + + return s_verComCtl32; } void wxExit() @@ -1103,39 +1284,124 @@ void wxExit() wxLogError(_("Fatal error: exiting")); wxApp::CleanUp(); + exit(0); } // Yield to incoming messages + +static bool gs_inYield = FALSE; + bool wxYield() { + // disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + wxLog::Suspend(); + +#ifdef __WXDEBUG__ + if (gs_inYield) + wxFAIL_MSG( wxT("wxYield called recursively" ) ); +#endif + + gs_inYield = TRUE; + + // we don't want to process WM_QUIT from here - it should be processed in + // the main event loop in order to stop it MSG msg; - // We want to go back to the main message loop - // if we see a WM_QUIT. (?) - while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT) + while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) && + msg.message != WM_QUIT ) { +#if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); +#endif // wxUSE_THREADS + if ( !wxTheApp->DoMessage() ) break; } + // If they are pending events, we must process them. -#if wxUSE_THREADS - wxTheApp->ProcessPendingEvents(); -#endif + if (wxTheApp) + wxTheApp->ProcessPendingEvents(); + + // let the logs be flashed again + wxLog::Resume(); + + gs_inYield = FALSE; return TRUE; } -HINSTANCE wxGetInstance() +// Yield to incoming messages; but fail silently if recursion is detected. +bool wxYieldIfNeeded() { - return wxhInstance; + if (gs_inYield) + return FALSE; + + return wxYield(); +} + +bool wxHandleFatalExceptions(bool doit) +{ +#if wxUSE_ON_FATAL_EXCEPTION + // assume this can only be called from the main thread + gs_handleExceptions = doit; + + return TRUE; +#else + wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function")); + + (void)doit; + return FALSE; +#endif +} + +//----------------------------------------------------------------------------- +// 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 *topWindow = wxTheApp->GetTopWindow(); + if ( topWindow ) + { + if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) ) + { + // should never happen + wxLogLastError(wxT("PostMessage(WM_NULL)")); + } + } } -void wxSetInstance(HINSTANCE hInst) +//----------------------------------------------------------------------------- + +wxIcon +wxApp::GetStdIcon(int which) const { - wxhInstance = hInst; + switch(which) + { + 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"); + } } // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly // if in a separate file. So include it here to ensure it's linked. -#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__)) +#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL)) #include "main.cpp" #endif