X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f57fe24c6389876d7ddf02aa7a09f3b48a6956de..894d74dcc233b7f9a936767558f3e061593dd062:/src/motif/app.cpp diff --git a/src/motif/app.cpp b/src/motif/app.cpp index 79e667aa01..ef63f6206e 100644 --- a/src/motif/app.cpp +++ b/src/motif/app.cpp @@ -6,104 +6,99 @@ // Created: 17/09/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "app.h" +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma implementation "app.h" +#endif + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __VMS +#define XtParent XTPARENT +#define XtDisplay XTDISPLAY #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/log.h" +#include "wx/intl.h" +#include "wx/evtloop.h" +#include "wx/hash.h" -#if wxUSE_WX_RESOURCES -#include "wx/resource.h" +#if wxUSE_THREADS + #include "wx/thread.h" #endif +#ifdef __VMS__ +#pragma message disable nosimpint +#endif #include +#include #include #include #include #include +#ifdef __VMS__ +#pragma message enable nosimpint +#endif #include "wx/motif/private.h" #include -extern char *wxBuffer; -extern wxList wxPendingDelete; +struct wxPerDisplayData +{ + wxPerDisplayData() + { + m_visualInfo = NULL; + m_topLevelWidget = NULL; + m_topLevelRealizedWidget = NULL; + } -wxApp *wxTheApp = NULL; + wxXVisualInfo* m_visualInfo; + Widget m_topLevelWidget, m_topLevelRealizedWidget; +}; + +static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData, + XtPointer ptr); +static WXWidget wxCreateTopLevelWidget( WXDisplay* display ); + +extern wxList wxPendingDelete; +extern bool wxAddIdleCallback(); wxHashTable *wxWidgetHashTable = NULL; -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) + BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) + EVT_IDLE(wxAppBase::OnIdle) END_EVENT_TABLE() -#endif - -long wxApp::sm_lastMessageTime = 0; - -bool wxApp::Initialize() -{ -#ifdef __WXMSW__ - wxBuffer = new char[1500]; -#else - wxBuffer = new char[BUFSIZ + 512]; -#endif - -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - streambuf* sBuf = new wxDebugStreamBuf; - ostream* oStr = new ostream(sBuf) ; - wxDebugContext::SetStream(oStr, sBuf); +#ifdef __WXDEBUG__ + typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); -#endif - - wxClassInfo::InitializeClasses(); - - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); - - wxInitializeStockLists(); - wxInitializeStockObjects(); + XErrorHandlerFunc gs_pfnXErrorHandler = 0; -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif - - // For PostScript printing -#if wxUSE_POSTSCRIPT -/* Done using wxModule now - wxInitializePrintSetupData(); - wxThePrintPaperDatabase = new wxPrintPaperDatabase; - wxThePrintPaperDatabase->CreateDatabase(); -*/ -#endif + static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) + { + // just forward to the default handler for now + return gs_pfnXErrorHandler(dpy, xevent); + } +#endif // __WXDEBUG__ - wxBitmap::InitStandardHandlers(); +bool wxApp::Initialize(int& argc, wxChar **argv) +{ + if ( !wxAppBase::Initialize(argc, argv) ) + return false; wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER); - wxModule::RegisterModules(); - wxASSERT( wxModule::InitializeModules() == TRUE ); - - return TRUE; + return true; } void wxApp::CleanUp() @@ -111,169 +106,53 @@ void wxApp::CleanUp() delete wxWidgetHashTable; wxWidgetHashTable = NULL; - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); -#endif - - wxDeleteStockObjects() ; - - // Destroy all GDI lists, etc. - - delete wxTheBrushList; - wxTheBrushList = NULL; - - delete wxThePenList; - wxThePenList = NULL; - - delete wxTheFontList; - wxTheFontList = NULL; - - delete wxTheBitmapList; - wxTheBitmapList = NULL; - - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; - -#if wxUSE_POSTSCRIPT -/* Done using wxModule now - wxInitializePrintSetupData(FALSE); - delete wxThePrintPaperDatabase; - wxThePrintPaperDatabase = NULL; -*/ -#endif - - wxBitmap::CleanUpHandlers(); - - delete[] wxBuffer; - wxBuffer = NULL; - - wxClassInfo::CleanUpClasses(); - - // 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); + wxAppBase::CleanUp(); } -int wxEntry( int argc, char *argv[] ) +void wxApp::Exit() { - if (!wxApp::Initialize()) - return FALSE; - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) - { - 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->SetClassName(wxFileNameFromPath(argv[0])); - wxTheApp->SetAppName(wxFileNameFromPath(argv[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(); - - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); - - delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used - // for further messages - - if (wxTheApp->GetTopWindow()) - { - delete wxTheApp->GetTopWindow(); - wxTheApp->SetTopWindow(NULL); - } - - wxTheApp->DeletePendingObjects(); - - wxTheApp->OnExit(); - - wxApp::CleanUp(); - 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); -#endif - - return retValue; -}; + wxAppConsole::Exit(); +} -// Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +// ============================================================================ +// wxApp +// ============================================================================ wxApp::wxApp() { - m_topWindow = NULL; - wxTheApp = this; - m_className = ""; - m_wantDebugOutput = TRUE ; - m_appName = ""; argc = 0; argv = NULL; - m_printMode = wxPRINT_POSTSCRIPT; - m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; + m_mainLoop = new wxEventLoop; m_mainColormap = (WXColormap) NULL; m_appContext = (WXAppContext) NULL; - m_topLevelWidget = (WXWidget) NULL; - m_maxRequestSize = 0; m_initialDisplay = (WXDisplay*) 0; + m_perDisplayData = new wxPerDisplayDataMap; } -bool wxApp::Initialized() +wxApp::~wxApp() { - if (GetTopWindow()) - return TRUE; - else - return FALSE; + delete m_mainLoop; + + for( wxPerDisplayDataMap::iterator it = m_perDisplayData->begin(), + end = m_perDisplayData->end(); + it != end; ++it ) + { + delete it->second->m_visualInfo; + XtDestroyWidget( it->second->m_topLevelWidget ); + delete it->second; + } + + delete m_perDisplayData; + + wxApp::SetInstance(NULL); } int wxApp::MainLoop() { - m_keepGoing = TRUE; - - /* + /* * Sit around forever waiting to process X-events. Property Change * event are handled special, because they have to refer to * the root window rather than to a widget. therefore we can't @@ -281,310 +160,233 @@ int wxApp::MainLoop() */ XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), - XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())), - PropertyChangeMask); + XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())), + PropertyChangeMask); - XEvent event; - - // Use this flag to allow breaking the loop via wxApp::ExitMainLoop() - while (m_keepGoing) - { - XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event); - - ProcessXEvent((WXEvent*) & event); - ProcessIdle(); - } + m_mainLoop->Run(); return 0; } -// Processes an X event. -void wxApp::ProcessXEvent(WXEvent* _event) +// This should be redefined in a derived class for +// handling property change events for XAtom IPC. +void wxApp::HandlePropertyChange(WXEvent *event) { - XEvent* event = (XEvent*) _event; - - if ((event->type == KeyPress) && CheckForAccelerator(_event)) - { - // Do nothing! We intercepted and processed the event as an accelerator. - return; - } - else if (event->type == PropertyNotify) - { - HandlePropertyChange(_event); - return; - } - else if (event->type == ResizeRequest) - { - /* Terry Gitnick - 1/21/98 - * If resize event, don't resize until the last resize event for this - * window is recieved. Prevents flicker as windows are resized. - */ - - Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()); - Window win = event->xany.window; - XEvent report; - - // to avoid flicker - report = * event; - while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report)); - - // TODO: when implementing refresh optimization, we can use - // XtAddExposureToRegion to expand the window's paint region. - - XtDispatchEvent(event); - } - else - { - XtDispatchEvent(event); - } + // by default do nothing special + XtDispatchEvent((XEvent*) event); /* let Motif do the work */ } -// Returns TRUE if more time is needed. -bool wxApp::ProcessIdle() -{ - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); - - return event.MoreRequested(); -} +static char *fallbackResources[] = { + "*menuBar.marginHeight: 0", + "*menuBar.shadowThickness: 1", + "*background: #c0c0c0", + "*foreground: black", + NULL +}; -void wxApp::ExitMainLoop() +// Create an application context +bool wxApp::OnInitGui() { - m_keepGoing = FALSE; -} + if( !wxAppBase::OnInitGui() ) + return false; -// Is a message/event pending? -bool wxApp::Pending() -{ - XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() )); + XtToolkitInitialize() ; + wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext(); + XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources); - // Fix by Doug from STI, to prevent a stall if non-X event - // is found. - return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ; -} + Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL, + wxTheApp->GetClassName().c_str(), NULL, 0, +# if XtSpecificationRelease < 5 + (Cardinal*) &argc, +# else + &argc, +# endif + argv); -// Dispatch a message. -void wxApp::Dispatch() -{ -// XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll); + if (!dpy) { + // if you don't log to stderr, nothing will be shown... + delete wxLog::SetActiveTarget(new wxLogStderr); + wxString className(wxTheApp->GetClassName()); + wxLogError(_("wxWidgets could not open display for '%s': exiting."), + className.c_str()); + exit(-1); + } + m_initialDisplay = (WXDisplay*) dpy; - XEvent event; - XtAppNextEvent((XtAppContext) GetAppContext(), &event); - ProcessXEvent((WXEvent*) & event); -} +#ifdef __WXDEBUG__ + // install the X error handler + gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler); +#endif // __WXDEBUG__ -// This should be redefined in a derived class for -// handling property change events for XAtom IPC. -void wxApp::HandlePropertyChange(WXEvent *event) -{ - // by default do nothing special - XtDispatchEvent((XEvent*) event); /* let Motif do the work */ -} + // Add general resize proc + XtActionsRec rec; + rec.string = "resize"; + rec.proc = (XtActionProc)wxWidgetResizeProc; + XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1); -void wxApp::OnIdle(wxIdleEvent& event) -{ - static bool inOnIdle = FALSE; + GetMainColormap(dpy); - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; + wxAddIdleCallback(); - inOnIdle = TRUE; + return true; +} - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); +WXColormap wxApp::GetMainColormap(WXDisplay* display) +{ + if (!display) /* Must be called first with non-NULL display */ + return m_mainColormap; - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + int defaultScreen = DefaultScreen((Display*) display); + Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen); - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); + Colormap c = DefaultColormapOfScreen(screen); - if (needMore) - event.RequestMore(TRUE); + if (!m_mainColormap) + m_mainColormap = (WXColormap) c; - inOnIdle = FALSE; + return (WXColormap) c; } -// Send idle event to all top-level windows -bool wxApp::SendIdleEvents() +static inline wxPerDisplayData& GetOrCreatePerDisplayData + ( wxPerDisplayDataMap& m, WXDisplay* display ) { - bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; - - node = node->Next(); - } - return needMore; + wxPerDisplayDataMap::iterator it = m.find( display ); + if( it != m.end() && it->second != NULL ) + return *(it->second); + + wxPerDisplayData* nData = new wxPerDisplayData(); + m[display] = nData; + + return *nData; } -// Send idle event to window and all subwindows -bool wxApp::SendIdleEvents(wxWindow* win) +wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display ) { - bool needMore = FALSE; - - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData, + display ); + if( data.m_visualInfo ) + return data.m_visualInfo; - if (event.MoreRequested()) - needMore = TRUE; + wxXVisualInfo* vi = new wxXVisualInfo; + wxFillXVisualInfo( vi, (Display*)display ); - wxNode* node = win->GetChildren()->First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; + data.m_visualInfo = vi; - node = node->Next(); - } - return needMore ; + return vi; } -void wxApp::DeletePendingObjects() +static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData, + XtPointer ptr) { - wxNode *node = wxPendingDelete.First(); - while (node) + if( wxTheApp ) { - 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(); + wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w), + (WXWidget)NULL ); + wxTheApp->SetTopLevelRealizedWidget( (WXDisplay*)XtDisplay(w), + (WXWidget)NULL ); } } -wxLog* wxApp::CreateLogTarget() +WXWidget wxCreateTopLevelWidget( WXDisplay* display ) { - return new wxLogGui; + Widget tlw = XtAppCreateShell( (String)NULL, + wxTheApp->GetClassName().c_str(), + applicationShellWidgetClass, + (Display*)display, + NULL, 0 ); + XtVaSetValues( tlw, + XmNoverrideRedirect, True, + NULL ); + + XtAddCallback( tlw, XmNdestroyCallback, + (XtCallbackProc)wxTLWidgetDestroyCallback, + (XtPointer)NULL ); + + return (WXWidget)tlw; } -wxWindow* wxApp::GetTopWindow() const +WXWidget wxCreateTopLevelRealizedWidget( WXDisplay* display ) { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; + Widget rTlw = XtVaCreateWidget( "dummy_widget", xmLabelWidgetClass, + (Widget)wxTheApp->GetTopLevelWidget(), + NULL); + XtSetMappedWhenManaged( rTlw, False ); + XtRealizeWidget( rTlw ); + + return (WXWidget)rTlw; } -// Create an application context -bool wxApp::OnInitGui() +WXWidget wxApp::GetTopLevelWidget() { - XtToolkitInitialize() ; - wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ; - Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL, - (const char*) wxTheApp->GetClassName(), NULL, -# if XtSpecificationRelease < 5 - 0,(Cardinal*) &argc,argv) ; -# else - 0,&argc,argv) ; -# endif - if (!dpy) { - cerr << "wxWindows could not open display for " << wxTheApp->GetClassName() << ": exiting.\n"; - exit(-1); - } - m_initialDisplay = (WXDisplay*) dpy; + WXDisplay* display = wxGetDisplay(); + wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData, + display ); + if( data.m_topLevelWidget ) + return (WXWidget)data.m_topLevelWidget; - wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(), - applicationShellWidgetClass,dpy, - NULL,0) ; + WXWidget tlw = wxCreateTopLevelWidget( display ); + SetTopLevelWidget( display, tlw ); - // Add general resize proc - XtActionsRec rec; - rec.string = "resize"; - rec.proc = (XtActionProc)wxWidgetResizeProc; - XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1); - - GetMainColormap(dpy); - m_maxRequestSize = XMaxRequestSize((Display*) dpy); - - return TRUE; + return tlw; } -WXColormap wxApp::GetMainColormap(WXDisplay* display) +WXWidget wxApp::GetTopLevelRealizedWidget() { - if (!display) /* Must be called first with non-NULL display */ - return m_mainColormap; + WXDisplay* display = wxGetDisplay(); + wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display ); - Colormap c = - DefaultColormapOfScreen(XScreenOfDisplay((Display*) display, - DefaultScreen((Display*) display))); + if( it != m_perDisplayData->end() && it->second->m_topLevelRealizedWidget ) + return (WXWidget)it->second->m_topLevelRealizedWidget; - if (!m_mainColormap) - m_mainColormap = (WXColormap) c; + WXWidget rTlw = wxCreateTopLevelRealizedWidget( display ); + SetTopLevelRealizedWidget( display, rTlw ); - return (WXColormap) c; + return rTlw; } -// Returns TRUE if an accelerator has been processed -bool wxApp::CheckForAccelerator(WXEvent* event) +void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget) { - XEvent* xEvent = (XEvent*) event; - if (xEvent->xany.type == KeyPress) - { - // Find a wxWindow for this window - // TODO: should get display for the window, not the current display - Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), xEvent->xany.window); - wxWindow* win = NULL; + GetOrCreatePerDisplayData( *m_perDisplayData, display ) + .m_topLevelWidget = (Widget)widget; +} - // Find the first wxWindow that corresponds to this event window - while (widget && !(win = wxGetWindowFromTable(widget))) - widget = XtParent(widget); +void wxApp::SetTopLevelRealizedWidget(WXDisplay* display, WXWidget widget) +{ + GetOrCreatePerDisplayData( *m_perDisplayData, display ) + .m_topLevelRealizedWidget = (Widget)widget; +} - if (!widget || !win) - return FALSE; +// Yield to other processes - wxKeyEvent keyEvent(wxEVT_CHAR); - wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); +bool wxApp::Yield(bool onlyIfNeeded) +{ + static bool s_inYield = false; - // Now we have a wxKeyEvent and we have a wxWindow. - // Go up the hierarchy until we find a matching accelerator, - // or we get to the top. - while (win) + if ( s_inYield ) + { + if ( !onlyIfNeeded ) { - if (win->ProcessAccelerator(keyEvent)) - return TRUE; - win = win->GetParent(); + wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + + return false; } - return FALSE; -} -void wxExit() -{ - int retValue = 0; - if (wxTheApp) - retValue = wxTheApp->OnExit(); + s_inYield = true; - wxApp::CleanUp(); - /* - * Exit in some platform-specific way. Not recommended that the app calls this: - * only for emergencies. - */ - exit(retValue); + while (wxTheApp && wxTheApp->Pending()) + wxTheApp->Dispatch(); + + s_inYield = false; + + return true; } -// Yield to other processes -bool wxYield() +// ---------------------------------------------------------------------------- +// accessors for C modules +// ---------------------------------------------------------------------------- + +extern "C" XtAppContext wxGetAppContext() { - while (wxTheApp && wxTheApp->Pending()) - wxTheApp->Dispatch(); - return TRUE; + return (XtAppContext)wxTheApp->GetAppContext(); } -