X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bb6408c2631988fab9925014c6619358bf867de..7fe1a8b5a92c3254739b792247c8839d0087a23a:/src/motif/app.cpp diff --git a/src/motif/app.cpp b/src/motif/app.cpp index dc3f61a7e6..17699b8d08 100644 --- a/src/motif/app.cpp +++ b/src/motif/app.cpp @@ -6,11 +6,16 @@ // Created: 17/09/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "app.h" + #pragma implementation "app.h" +#endif + +#ifdef __VMS +#define XtParent XTPARENT +#define XtDisplay XTDISPLAY #endif #include "wx/frame.h" @@ -28,72 +33,86 @@ #include "wx/log.h" #include "wx/module.h" #include "wx/memory.h" +#include "wx/log.h" +#include "wx/intl.h" -#if USE_WX_RESOURCES -#include "wx/resource.h" +#if wxUSE_THREADS + #include "wx/thread.h" #endif -#if USE_POSTSCRIPT -#include "wx/postscrp.h" +#if wxUSE_WX_RESOURCES + #include "wx/resource.h" #endif +#ifdef __VMS__ +#pragma message disable nosimpint +#endif #include #include #include #include #include +#ifdef __VMS__ +#pragma message enable nosimpint +#endif #include "wx/motif/private.h" #include -extern char *wxBuffer; extern wxList wxPendingDelete; wxApp *wxTheApp = NULL; wxHashTable *wxWidgetHashTable = NULL; -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) + BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) EVT_IDLE(wxApp::OnIdle) END_EVENT_TABLE() -#endif + +#ifdef __WXDEBUG__ + typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); + + XErrorHandlerFunc gs_pfnXErrorHandler = 0; + + static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) + { + // just forward to the default handler for now + return gs_pfnXErrorHandler(dpy, xevent); + } +#endif // __WXDEBUG__ long wxApp::sm_lastMessageTime = 0; bool wxApp::Initialize() { -#ifdef __WXMSW__ - wxBuffer = new char[1500]; -#else - wxBuffer = new char[BUFSIZ + 512]; -#endif - -#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT - - streambuf* sBuf = new wxDebugStreamBuf; - ostream* oStr = new ostream(sBuf) ; - wxDebugContext::SetStream(oStr, sBuf); + wxClassInfo::InitializeClasses(); + // 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 + wxPendingEventsLocker = new wxCriticalSection(); #endif - - wxClassInfo::InitializeClasses(); wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); wxTheColourDatabase->Initialize(); + + wxInitializeStockLists(); wxInitializeStockObjects(); -#if USE_WX_RESOURCES +#if wxUSE_WX_RESOURCES wxInitializeResourceSystem(); #endif - // For PostScript printing -#if USE_POSTSCRIPT + // For PostScript printing +#if wxUSE_POSTSCRIPT + /* Done using wxModule now wxInitializePrintSetupData(); wxThePrintPaperDatabase = new wxPrintPaperDatabase; wxThePrintPaperDatabase->CreateDatabase(); + */ #endif wxBitmap::InitStandardHandlers(); @@ -101,7 +120,7 @@ bool wxApp::Initialize() wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER); wxModule::RegisterModules(); - wxASSERT( wxModule::InitializeModules() == TRUE ); + if (!wxModule::InitializeModules()) return FALSE; return TRUE; } @@ -113,7 +132,7 @@ void wxApp::CleanUp() wxModule::CleanUpModules(); -#if USE_WX_RESOURCES +#if wxUSE_WX_RESOURCES wxCleanUpResourceSystem(); #endif @@ -121,34 +140,46 @@ void wxApp::CleanUp() // Destroy all GDI lists, etc. - delete wxTheBrushList; - wxTheBrushList = NULL; - - delete wxThePenList; - wxThePenList = NULL; - - delete wxTheFontList; - wxTheFontList = NULL; - - delete wxTheBitmapList; - wxTheBitmapList = NULL; + wxDeleteStockLists(); delete wxTheColourDatabase; wxTheColourDatabase = NULL; -#if USE_POSTSCRIPT +#if wxUSE_POSTSCRIPT + /* Done using wxModule now wxInitializePrintSetupData(FALSE); delete wxThePrintPaperDatabase; wxThePrintPaperDatabase = NULL; + */ #endif wxBitmap::CleanUpHandlers(); - delete[] wxBuffer; - wxBuffer = NULL; - wxClassInfo::CleanUpClasses(); + delete wxTheApp; + wxTheApp = NULL; + + // 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; +#endif + +#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("There were memory leaks.\n"); + wxDebugContext::Dump(); + wxDebugContext::PrintStatistics(); + } +#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 @@ -157,23 +188,34 @@ void wxApp::CleanUp() int wxEntry( int argc, char *argv[] ) { +#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 + if (!wxApp::Initialize()) - return FALSE; + return FALSE; + if (!wxTheApp) { - if (!wxApp::GetInitializerFunction()) - { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - }; - - wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) (); + 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; + printf( "wxWindows error: wxTheApp == NULL\n" ); + return 0; }; wxTheApp->SetClassName(wxFileNameFromPath(argv[0])); @@ -185,50 +227,40 @@ int wxEntry( int argc, char *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; + // Here frames insert themselves automatically into wxTopLevelWindows by + // getting created in OnInit(). int retValue = 0; - - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); + if (wxTheApp->OnInit()) + { + 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); + delete wxTheApp->GetTopWindow(); + wxTheApp->SetTopWindow(NULL); } - + wxTheApp->DeletePendingObjects(); - + wxTheApp->OnExit(); - + wxApp::CleanUp(); - delete wxTheApp; - wxTheApp = NULL; - -#if (WXDEBUG && USE_MEMORY_TRACING) || USE_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; }; // Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; wxApp::wxApp() { @@ -239,29 +271,28 @@ wxApp::wxApp() m_appName = ""; argc = 0; argv = NULL; - m_printMode = wxPRINT_POSTSCRIPT; m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; m_mainColormap = (WXColormap) NULL; m_appContext = (WXAppContext) NULL; m_topLevelWidget = (WXWidget) NULL; m_maxRequestSize = 0; + m_initialDisplay = (WXDisplay*) 0; } bool wxApp::Initialized() { if (GetTopWindow()) - return TRUE; + return TRUE; else - return FALSE; + return FALSE; } 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 @@ -269,43 +300,119 @@ 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); - if(event.type == PropertyNotify) - { - HandlePropertyChange((WXEvent*) &event); - } else - { - // 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. */ - if (event.type == ResizeRequest) + XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event); + + ProcessXEvent((WXEvent*) & event); + + if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0) { - Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()); - Window win = event.xany.window; - XEvent report; - - // to avoid flicker - report = event; - while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report)); + if (!ProcessIdle()) + { +#if wxUSE_THREADS + // leave the main loop to give other threads a chance to + // perform their GUI work + wxMutexGuiLeave(); + wxUsleep(20); + wxMutexGuiEnter(); +#endif + } } - XtDispatchEvent(&event); - - DeletePendingObjects(); - } } return 0; } +// Processes an X event. +void wxApp::ProcessXEvent(WXEvent* _event) +{ + XEvent* event = (XEvent*) _event; + + if (event->type == KeyPress) + { +#if 0 // def __WXDEBUG__ + Widget widget = XtWindowToWidget(event->xany.display, event->xany.window); + wxLogDebug("Got key press event for 0x%08x (parent = 0x%08x)", + widget, XtParent(widget)); +#endif // DEBUG + + if (CheckForAccelerator(_event)) + { + // Do nothing! We intercepted and processed the event as an + // accelerator. + return; + } +#if 1 + // It seemed before that this hack was redundant and + // key down events were being generated by wxCanvasInputEvent. + // But no longer - why ??? + // + else if (CheckForKeyDown(_event)) + { + // We intercepted and processed the key down event + return; + } +#endif + else + { + XtDispatchEvent(event); + return; + } + } + else if (event->type == KeyRelease) + { + // TODO: work out why we still need this ! -michael + // + if (CheckForKeyUp(_event)) + { + // We intercepted and processed the key up event + return; + } + else + { + XtDispatchEvent(event); + 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); + } +} + // Returns TRUE if more time is needed. bool wxApp::ProcessIdle() { @@ -325,13 +432,20 @@ void wxApp::ExitMainLoop() bool wxApp::Pending() { XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() )); - return (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) != 0) ; + + // Fix by Doug from STI, to prevent a stall if non-X event + // is found. + return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ; } // Dispatch a message. void wxApp::Dispatch() { - XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll); + // XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll); + + XEvent event; + XtAppNextEvent((XtAppContext) GetAppContext(), &event); + ProcessXEvent((WXEvent*) & event); } // This should be redefined in a derived class for @@ -348,40 +462,60 @@ void wxApp::OnIdle(wxIdleEvent& event) // Avoid recursion (via ProcessEvent default case) if (inOnIdle) - return; + return; 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. Also removed the '#if wxUSE_THREADS' around it. + // Changed Mar/2000 before 2.1.14 + + // Flush pending events. + ProcessPendingEvents(); + // '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(); + pLog->Flush(); // Send OnIdle events to all windows bool needMore = SendIdleEvents(); if (needMore) - event.RequestMore(TRUE); + event.RequestMore(TRUE); 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)) + + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow* win = node->GetData(); + if (SendIdleEvents(win)) needMore = TRUE; + node = node->GetNext(); + } - node = node->Next(); - } return needMore; } @@ -390,22 +524,22 @@ bool wxApp::SendIdleEvents(wxWindow* win) { bool needMore = FALSE; - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + wxIdleEvent event; + event.SetEventObject(win); + win->ProcessEvent(event); if (event.MoreRequested()) needMore = TRUE; - wxNode* node = win->GetChildren()->First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) + wxNode* node = win->GetChildren().First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + if (SendIdleEvents(win)) needMore = TRUE; - node = node->Next(); - } + node = node->Next(); + } return needMore ; } @@ -414,32 +548,17 @@ void wxApp::DeletePendingObjects() wxNode *node = wxPendingDelete.First(); while (node) { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if (wxPendingDelete.Member(obj)) - delete node; + wxObject *obj = (wxObject *)node->Data(); - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.First(); - } -} + delete obj; -wxLog* wxApp::CreateLogTarget() -{ - return new wxLogGui; -} + if (wxPendingDelete.Member(obj)) + delete node; -wxWindow* wxApp::GetTopWindow() const -{ - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; + // Deleting one object may have deleted other pending + // objects, so start from beginning of list again. + node = wxPendingDelete.First(); + } } // Create an application context @@ -448,19 +567,30 @@ bool wxApp::OnInitGui() XtToolkitInitialize() ; wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ; Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL, - (const char*) wxTheApp->GetClassName(), NULL, + (const char*) wxTheApp->GetClassName(), NULL, 0, # if XtSpecificationRelease < 5 - 0,(Cardinal*) &argc,argv) ; + (Cardinal*) &argc, # else - 0,&argc,argv) ; + &argc, # endif + argv); + if (!dpy) { - cerr << "wxWindows could not open display for " << wxTheApp->GetClassName() << ": exiting.\n"; - exit(-1); + wxString className(wxTheApp->GetClassName()); + wxLogError(_("wxWindows could not open display for '%s': exiting."), + (const char*) className); + exit(-1); } + m_initialDisplay = (WXDisplay*) dpy; + +#ifdef __WXDEBUG__ + // install the X error handler + gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler); +#endif // __WXDEBUG__ + wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(), - applicationShellWidgetClass,dpy, - NULL,0) ; + applicationShellWidgetClass,dpy, + NULL,0) ; // Add general resize proc XtActionsRec rec; @@ -477,37 +607,149 @@ bool wxApp::OnInitGui() WXColormap wxApp::GetMainColormap(WXDisplay* display) { if (!display) /* Must be called first with non-NULL display */ - return m_mainColormap; + return m_mainColormap; + + int defaultScreen = DefaultScreen((Display*) display); + Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen); - Colormap c = - DefaultColormapOfScreen(XScreenOfDisplay((Display*) display, - DefaultScreen((Display*) display))); + Colormap c = DefaultColormapOfScreen(screen); if (!m_mainColormap) - m_mainColormap = (WXColormap) c; + m_mainColormap = (WXColormap) c; return (WXColormap) c; } +// Returns TRUE if an accelerator has been processed +bool wxApp::CheckForAccelerator(WXEvent* event) +{ + 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; + + // Find the first wxWindow that corresponds to this event window + while (widget && !(win = wxGetWindowFromTable(widget))) + widget = XtParent(widget); + + if (!widget || !win) + return FALSE; + + wxKeyEvent keyEvent(wxEVT_CHAR); + wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); + + // 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 (win->ProcessAccelerator(keyEvent)) + return TRUE; + win = win->GetParent(); + } + return FALSE; + } + return FALSE; +} + +bool wxApp::CheckForKeyDown(WXEvent* event) +{ + XEvent* xEvent = (XEvent*) event; + if (xEvent->xany.type == KeyPress) + { + Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), + xEvent->xany.window); + wxWindow* win = NULL; + + // Find the first wxWindow that corresponds to this event window + while (widget && !(win = wxGetWindowFromTable(widget))) + widget = XtParent(widget); + + if (!widget || !win) + return FALSE; + + wxKeyEvent keyEvent(wxEVT_KEY_DOWN); + wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); + + return win->ProcessEvent( keyEvent ); + } + + return FALSE; +} + +bool wxApp::CheckForKeyUp(WXEvent* event) +{ + XEvent* xEvent = (XEvent*) event; + if (xEvent->xany.type == KeyRelease) + { + Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), + xEvent->xany.window); + wxWindow* win = NULL; + + // Find the first wxWindow that corresponds to this event window + while (widget && !(win = wxGetWindowFromTable(widget))) + widget = XtParent(widget); + + if (!widget || !win) + return FALSE; + + wxKeyEvent keyEvent(wxEVT_KEY_UP); + wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); + + return win->ProcessEvent( keyEvent ); + } + + return FALSE; +} + void wxExit() { int retValue = 0; if (wxTheApp) - retValue = wxTheApp->OnExit(); + retValue = wxTheApp->OnExit(); wxApp::CleanUp(); /* - * Exit in some platform-specific way. Not recommended that the app calls this: - * only for emergencies. - */ + * Exit in some platform-specific way. Not recommended that the app calls this: + * only for emergencies. + */ exit(retValue); } // Yield to other processes -bool wxYield() + +bool wxApp::Yield(bool onlyIfNeeded) { + bool s_inYield = FALSE; + + if ( s_inYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } + + return FALSE; + } + + s_inYield = TRUE; + while (wxTheApp && wxTheApp->Pending()) - wxTheApp->Dispatch(); + wxTheApp->Dispatch(); + + s_inYield = FALSE; + return TRUE; } +// ---------------------------------------------------------------------------- +// accessors for C modules +// ---------------------------------------------------------------------------- + +extern "C" XtAppContext wxGetAppContext() +{ + return (XtAppContext)wxTheApp->GetAppContext(); +}