]> git.saurik.com Git - wxWidgets.git/blobdiff - src/x11/app.cpp
Fixes
[wxWidgets.git] / src / x11 / app.cpp
index 7929a5e6cae100b8fa8b3259d501bcc68d5fa51a..62cb336b789a4f0c5d9bf18a5dac9f65954d6b03 100644 (file)
@@ -21,8 +21,6 @@
 #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"
@@ -30,6 +28,7 @@
 #include "wx/memory.h"
 #include "wx/log.h"
 #include "wx/intl.h"
+#include "wx/evtloop.h"
 
 #if wxUSE_THREADS
     #include "wx/thread.h"
@@ -68,18 +67,19 @@ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 END_EVENT_TABLE()
 
 #ifdef __WXDEBUG__
-    typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
+typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
 
-    XErrorHandlerFunc gs_pfnXErrorHandler = 0;
+XErrorHandlerFunc gs_pfnXErrorHandler = 0;
 
-    static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
-    {
-        // just forward to the default handler for now
-        return gs_pfnXErrorHandler(dpy, xevent);
-    }
+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;
+WXDisplay *wxApp::ms_display = NULL;
 
 bool wxApp::Initialize()
 {
@@ -103,8 +103,6 @@ bool wxApp::Initialize()
     wxInitializeResourceSystem();
 #endif
 
-    wxBitmap::InitStandardHandlers();
-
     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
 
     wxModule::RegisterModules();
@@ -124,27 +122,21 @@ void wxApp::CleanUp()
     wxCleanUpResourceSystem();
 #endif
 
-    wxDeleteStockObjects() ;
-
-    // Destroy all GDI lists, etc.
-
-    wxDeleteStockLists();
-
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 
-    wxBitmap::CleanUpHandlers();
+    wxDeleteStockObjects();
+    
+    wxDeleteStockLists();
+
+    delete wxTheApp;
+    wxTheApp = NULL;
 
     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;
@@ -169,6 +161,46 @@ void wxApp::CleanUp()
     delete wxLog::SetActiveTarget(NULL);
 }
 
+// NB: argc and argv may be changed here, pass by reference!
+int wxEntryStart( int& argc, char *argv[] )
+{
+#ifdef __WXDEBUG__
+    // install the X error handler
+    gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
+#endif // __WXDEBUG__
+
+    Display* xdisplay = XOpenDisplay(NULL);
+
+    if (!xdisplay)
+    {
+        wxLogError( _("wxWindows could not open display. Exiting.") );
+        return -1;
+    }
+    
+    wxApp::ms_display = (WXDisplay*) xdisplay;
+    
+    XSelectInput( xdisplay, XDefaultRootWindow(xdisplay), PropertyChangeMask);
+        
+//    wxSetDetectableAutoRepeat( TRUE );
+
+    if (!wxApp::Initialize())
+        return -1;
+
+    return 0;
+}
+
+
+int wxEntryInitGui()
+{
+    int retValue = 0;
+
+    if ( !wxTheApp->OnInitGui() )
+        retValue = -1;
+
+    return retValue;
+}
+
+
 int wxEntry( int argc, char *argv[] )
 {
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
@@ -180,9 +212,9 @@ int wxEntry( int argc, char *argv[] )
     // checked, but this is a reasonable compromise.
     wxDebugContext::SetCheckpoint();
 #endif
-
-    if (!wxApp::Initialize())
-        return FALSE;
+    int err = wxEntryStart(argc, argv);
+    if (err)
+        return err;
 
     if (!wxTheApp)
     {
@@ -207,14 +239,18 @@ int wxEntry( int argc, char *argv[] )
     wxTheApp->argc = argc;
     wxTheApp->argv = argv;
 
-    // GUI-specific initialization, such as creating an app context.
-    wxTheApp->OnInitGui();
+    int retValue;
+    retValue = wxEntryInitGui();
 
     // Here frames insert themselves automatically into wxTopLevelWindows by
     // getting created in OnInit().
+    if ( retValue == 0 )
+    {
+        if ( !wxTheApp->OnInit() )
+            retValue = -1;
+    }
 
-    int retValue = 0;
-    if (wxTheApp->OnInit())
+    if ( retValue == 0 )
     {
         if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
     }
@@ -258,7 +294,7 @@ wxApp::wxApp()
     m_mainColormap = (WXColormap) NULL;
     m_topLevelWidget = (WXWindow) NULL;
     m_maxRequestSize = 0;
-    m_initialDisplay = (WXDisplay*) 0;
+    m_mainLoop = NULL;
 }
 
 bool wxApp::Initialized()
@@ -271,131 +307,205 @@ bool wxApp::Initialized()
 
 int wxApp::MainLoop()
 {
-    m_keepGoing = TRUE;
+     int rt;
+    m_mainLoop = new wxEventLoop;
 
-    /*
-    * 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
-    * use an Xt-eventhandler.
-    */
+    rt = m_mainLoop->Run();
 
-    XSelectInput(wxGetDisplay(),
-        XDefaultRootWindow(wxGetDisplay()),
-        PropertyChangeMask);
+    delete m_mainLoop;
+    m_mainLoop = NULL;
+    return rt;
+}
 
-    XEvent event;
+// Processes an X event.
+void wxApp::ProcessXEvent(WXEvent* _event)
+{
+    XEvent* event = (XEvent*) _event;
 
-    // Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
-    while (m_keepGoing)
-    {
-        XNextEvent(wxGetDisplay(), & event);
+    wxWindow* win = NULL;
+    Window window = event->xany.window;
+    Window actualWindow = window;
 
-        ProcessXEvent((WXEvent*) & event);
+    // Find the first wxWindow that corresponds to this event window
+    // TODO: may need to translate coordinates from actualWindow
+    // to window, if the receiving window != wxWindow window
+    //    while (window && !(win = wxGetWindowFromTable(window)))
+    //        window = wxGetWindowParent(window);
 
-        if (XtPending(wxGetDisplay()) == 0)
+    // Because we're receiving events after a window
+    // has been destroyed, assume a 1:1 match between
+    // Window and wxWindow, so if it's not in the table,
+    // it must have been destroyed.
+
+    win = wxGetWindowFromTable(window);
+    if (!win)
+       return;
+
+    switch (event->type)
+    {
+        case KeyPress:
         {
-            if (!ProcessIdle())
+            if (win && !win->IsEnabled())
+                return;
+
             {
-#if wxUSE_THREADS
-                // leave the main loop to give other threads a chance to
-                // perform their GUI work
-                wxMutexGuiLeave();
-                wxUsleep(20);
-                wxMutexGuiEnter();
-#endif
+                if (win)
+                {
+                    wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
+                    wxTranslateKeyEvent(keyEvent, win, window, event);
+        
+                    // We didn't process wxEVT_KEY_DOWN, so send
+                    // wxEVT_CHAR
+                    if (!win->GetEventHandler()->ProcessEvent( keyEvent ))
+                    {
+                        keyEvent.SetEventType(wxEVT_CHAR);
+                        win->GetEventHandler()->ProcessEvent( keyEvent );
+                    }
+
+                    // We intercepted and processed the key down event
+                    return;
+                }
             }
+            return;
         }
-
-    }
-
-    return 0;
-}
-
-// Processes an X event.
-void wxApp::ProcessXEvent(WXEvent* _event)
-{
-    XEvent* event = (XEvent*) _event;
-    
-    if (event->type == KeyPress)
-    {
-        if (CheckForAccelerator(_event))
+        case KeyRelease:
         {
-            // Do nothing! We intercepted and processed the event as an
-            // accelerator.
+            if (win && !win->IsEnabled())
+                return;
+
+            if (win)
+            {
+                wxKeyEvent keyEvent(wxEVT_KEY_UP);
+                wxTranslateKeyEvent(keyEvent, win, window, event);
+        
+                win->GetEventHandler()->ProcessEvent( keyEvent );
+            }
             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))
+        case PropertyNotify:
         {
-            // We intercepted and processed the key down event
+            HandlePropertyChange(_event);
             return;
         }
-#endif
-        else
+        case ClientMessage:
+        {           
+            Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True);;
+            Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True);;
+
+            if (event->xclient.message_type == wm_protocols)
+            {
+                if ((Atom) (event->xclient.data.l[0]) == wm_delete_window)
+                {
+                    if (win)
+                    {
+                        win->Close(FALSE);
+                    }
+                }
+            }
+            return;
+        }
+        case ConfigureNotify:
+        {
+            if (win)
+            {
+                wxSizeEvent sizeEvent( wxSize(event->xconfigure.width,event->xconfigure.height), win->GetId() );
+                sizeEvent.SetEventObject( win );
+                
+                win->GetEventHandler()->ProcessEvent( sizeEvent );
+            }
+        }
+        case ResizeRequest:
         {
-            // TODO for X11 implementation -- the equivalent of XtDispatchEvent.
-            // Presumably, we need to form the wxEvents and
-            // and send them to the appropriate windows.
-            // XtDispatchEvent(event);
+            /* Terry Gitnick <terryg@scientech.com> - 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 = (Display*) wxGetDisplay();
+            XEvent report;
+            
+            //  to avoid flicker
+            report = * event;
+            while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report));
+            
+            // TODO: when implementing refresh optimization, we can use
+            // XtAddExposureToRegion to expand the window's paint region.
+
+            if (win)
+            {
+                wxSize sz = win->GetSize();
+                wxSizeEvent sizeEvent(sz, win->GetId());
+                sizeEvent.SetEventObject(win);
+
+                win->GetEventHandler()->ProcessEvent( sizeEvent );
+            }
+
             return;
         }
-    }
-    else if (event->type == KeyRelease)
-    {
-        // TODO: work out why we still need this !  -michael
-        //
-        if (CheckForKeyUp(_event))
+        case Expose:
         {
-            // We intercepted and processed the key up event
+            if (win)
+            {
+                // Schedule update for later
+                win->GetUpdateRegion().Union( event->xexpose.x, event->xexpose.y,
+                                              event->xexpose.width, event->xexpose.height);
+            }
+
             return;
         }
-        else
+        case EnterNotify:
+        case LeaveNotify:
+        case ButtonPress:
+        case ButtonRelease:
+        case MotionNotify:
         {
-            // TODO: The X equivalent of XtDispatchEvent
-            // (see above)
-            // XtDispatchEvent(event);
+            if (win && !win->IsEnabled())
+                return;
+
+            if (win)
+            {
+                wxMouseEvent wxevent;
+                wxTranslateMouseEvent(wxevent, win, window, event);
+                win->GetEventHandler()->ProcessEvent( wxevent );
+            }
             return;
         }
-    }
-    else if (event->type == PropertyNotify)
-    {
-        HandlePropertyChange(_event);
-        return;
-    }
-    else if (event->type == ResizeRequest)
-    {
-    /* Terry Gitnick <terryg@scientech.com> - 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 = wxGetDisplay();
-        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.
-        
-        // TODO: generate resize event
-        // XtDispatchEvent(event);
-    }
-    else
-    {
-        // TODO: generate all other events
-        // XtDispatchEvent(event);
+        case FocusIn:
+            {
+                if (win && event->xfocus.detail != NotifyPointer)
+                {
+                    wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
+                    focusEvent.SetEventObject(win);
+                    win->GetEventHandler()->ProcessEvent(focusEvent);
+                }
+                break;
+            }
+        case FocusOut:
+            {
+                if (win && event->xfocus.detail != NotifyPointer)
+                {
+                    wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
+                    focusEvent.SetEventObject(win);
+                    win->GetEventHandler()->ProcessEvent(focusEvent);
+                }
+                break;
+            }
+        case DestroyNotify:
+            {
+                // Do we want to process this (for top-level windows)?
+                // But we want to be able to veto closes, anyway
+                break;
+            }
+        default:
+        {
+            break;
+        }
     }
 }
 
 // Returns TRUE if more time is needed.
+// Note that this duplicates wxEventLoopImpl::SendIdleEvent
+// but ProcessIdle may be needed by apps, so is kept.
 bool wxApp::ProcessIdle()
 {
     wxIdleEvent event;
@@ -407,23 +517,20 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
-    m_keepGoing = FALSE;
+    if (m_mainLoop)
+        m_mainLoop->Exit(0);
 }
 
 // Is a message/event pending?
 bool wxApp::Pending()
 {
-    XFlush(wxGetDisplay());
-
-    return (XPending(wxGetDisplay()) > 0);
+    return wxEventLoop::GetActive()->Pending();
 }
 
 // Dispatch a message.
 void wxApp::Dispatch()
 {
-    XEvent event;
-    XNextEvent(wxGetDisplay(), & event);
-    ProcessXEvent((WXEvent*) & event);
+    wxEventLoop::GetActive()->Dispatch();
 }
 
 // This should be redefined in a derived class for
@@ -437,41 +544,28 @@ void wxApp::HandlePropertyChange(WXEvent *event)
 
 void wxApp::OnIdle(wxIdleEvent& event)
 {
-    static bool inOnIdle = FALSE;
+    static bool s_inOnIdle = FALSE;
 
     // Avoid recursion (via ProcessEvent default case)
-    if (inOnIdle)
+    if (s_inOnIdle)
         return;
 
-    inOnIdle = TRUE;
+    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. Also removed the '#if wxUSE_THREADS' around it.
-    //  Changed Mar/2000 before 2.1.14
-
-    // Flush pending events.
+    // Resend in the main thread events which have been prepared in other
+    // threads
     ProcessPendingEvents();
 
-    // 'Garbage' collection of windows deleted with Close().
+    // 'Garbage' collection of windows deleted with Close()
     DeletePendingObjects();
 
-    // flush the logged messages if any
-    wxLog *pLog = wxLog::GetActiveTarget();
-    if ( pLog != NULL && pLog->HasPendingMessages() )
-        pLog->Flush();
-
     // Send OnIdle events to all windows
     bool needMore = SendIdleEvents();
 
     if (needMore)
         event.RequestMore(TRUE);
 
-    inOnIdle = FALSE;
+    s_inOnIdle = FALSE;
 }
 
 void wxWakeUpIdle()
@@ -505,7 +599,10 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
     wxIdleEvent event;
     event.SetEventObject(win);
-    win->ProcessEvent(event);
+
+    win->GetEventHandler()->ProcessEvent(event);
+
+    win->OnInternalIdle();
 
     if (event.MoreRequested())
         needMore = TRUE;
@@ -519,7 +616,8 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
         node = node->Next();
     }
-    return needMore ;
+    
+    return needMore;
 }
 
 void wxApp::DeletePendingObjects()
@@ -543,31 +641,17 @@ void wxApp::DeletePendingObjects()
 // Create an application context
 bool wxApp::OnInitGui()
 {
-    // TODO: parse argv and get display to pass to XOpenDisplay
-    Display* dpy = XOpenDisplay(NULL);
-    m_initialDisplay = (WXDisplay*) dpy;
-
-    if (!dpy) {
-        wxString className(wxTheApp->GetClassName());
-        wxLogError(_("wxWindows could not open display for '%s': exiting."),
-            (const char*) className);
-        exit(-1);
-    }
-
-#ifdef __WXDEBUG__
-    // install the X error handler
-    gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
-#endif // __WXDEBUG__
-
-    // Do we need to create the top-level window initially?
-#if 0
-    wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
-        applicationShellWidgetClass,dpy,
-        NULL,0) ;
-#endif
+    // Eventually this line will be removed, but for
+    // now we don't want to try popping up a dialog
+    // for error messages.
+    delete wxLog::SetActiveTarget(new wxLogStderr);
+    
+    if (!wxAppBase::OnInitGui())
+       return FALSE;
+    
 
-    GetMainColormap(dpy);
-    m_maxRequestSize = XMaxRequestSize((Display*) dpy);
+    GetMainColormap( wxApp::GetDisplay() );
+    m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() );
 
     return TRUE;
 }
@@ -588,100 +672,21 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
     return (WXColormap) c;
 }
 
-static Window XGetParent(Window window)
+Window wxGetWindowParent(Window window)
 {
     Window parent, root = 0;
     unsigned int noChildren = 0;
-    if (XQueryTree(wxGetDisplay(), window, & root, & parent,
-        NULL, & noChildren))
+    Window* children = NULL;
+    int res = XQueryTree((Display*) wxGetDisplay(), window, & root, & parent,
+                        & children, & noChildren);
+    if (children)
+        XFree(children);
+    if (res)
         return parent;
     else
         return (Window) 0;
 }
 
-// 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
-        Window window = xEvent->xany.window;
-        wxWindow* win = NULL;
-
-        // Find the first wxWindow that corresponds to this event window
-        while (window && !(win = wxGetWindowFromTable(window)))
-            window = XGetParent(window);
-
-        if (!window || !win)
-            return FALSE;
-
-        wxKeyEvent keyEvent(wxEVT_CHAR);
-        wxTranslateKeyEvent(keyEvent, win, (Window) 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)
-    {
-        Window window = xEvent->xany.window;
-        wxWindow* win = NULL;
-        
-        // Find the first wxWindow that corresponds to this event window
-        while (window && !(win = wxGetWindowFromTable(window)))
-            window = XGetParent(window);
-        
-        if (!window || !win)
-            return FALSE;
-        
-        wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
-        wxTranslateKeyEvent(keyEvent, win, (Window) 0, xEvent);
-        
-        return win->ProcessEvent( keyEvent );
-    }
-    
-    return FALSE;
-}
-
-bool wxApp::CheckForKeyUp(WXEvent* event)
-{
-    XEvent* xEvent = (XEvent*) event;
-    if (xEvent->xany.type == KeyRelease)
-    {
-        Window window = xEvent->xany.window;
-        wxWindow* win = NULL;
-        
-        // Find the first wxWindow that corresponds to this event window
-        while (window && !(win = wxGetWindowFromTable(window)))
-            window = XGetParent(window);
-        
-        if (!window || !win)
-            return FALSE;
-        
-        wxKeyEvent keyEvent(wxEVT_KEY_UP);
-        wxTranslateKeyEvent(keyEvent, win, (Window) 0, xEvent);
-        
-        return win->ProcessEvent( keyEvent );
-    }
-
-    return FALSE;
-}
-
 void wxExit()
 {
     int retValue = 0;
@@ -757,6 +762,19 @@ wxApp::GetStdIcon(int which) const
     }
 }
 
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)
+{
+    // While the GUI isn't working that well, just print out the
+    // message.
+#if 0    
+    wxAppBase::OnAssert(file, line, msg);
+#else
+    wxString msg2;
+    msg2.Printf("At file %s:%d: %s", file, line, msg);
+    wxLogDebug(msg2);
+#endif
+}
+
 // ----------------------------------------------------------------------------
 // accessors for C modules
 // ----------------------------------------------------------------------------
@@ -766,4 +784,4 @@ extern "C" XtAppContext wxGetAppContext()
 {
     return (XtAppContext)wxTheApp->GetAppContext();
 }
-#endif
\ No newline at end of file
+#endif