]> git.saurik.com Git - wxWidgets.git/blobdiff - src/x11/app.cpp
Fixed and refactored wxPropertyGridManager decsription text box painting
[wxWidgets.git] / src / x11 / app.cpp
index 5c2371a2bb91eb345b0bd94659de2d6e5be21485..e37d35ad289238cb92ba20807db52b360c8098ec 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        app.cpp
+// Name:        src/x11/app.cpp
 // Purpose:     wxApp
 // Author:      Julian Smart
 // Modified by:
@@ -9,39 +9,36 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-    #pragma implementation "app.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#include "wx/frame.h"
 #include "wx/app.h"
-#include "wx/utils.h"
-#include "wx/gdicmn.h"
-#include "wx/icon.h"
-#include "wx/dialog.h"
-#include "wx/log.h"
-#include "wx/module.h"
-#include "wx/memory.h"
-#include "wx/log.h"
-#include "wx/intl.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/hash.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/frame.h"
+    #include "wx/icon.h"
+    #include "wx/dialog.h"
+    #include "wx/memory.h"
+    #include "wx/gdicmn.h"
+    #include "wx/module.h"
+    #include "wx/crt.h"
+#endif
+
 #include "wx/evtloop.h"
-#include "wx/timer.h"
 #include "wx/filename.h"
-#include "wx/hash.h"
 
 #include "wx/univ/theme.h"
 #include "wx/univ/renderer.h"
-
-#define ABS(a)    (((a) < 0) ? -(a) : (a))
+#include "wx/generic/private/timer.h"
 
 #if wxUSE_THREADS
     #include "wx/thread.h"
 #endif
 
-#if wxUSE_WX_RESOURCES
-    #include "wx/resource.h"
-#endif
-
 #include "wx/x11/private.h"
 
 #include <string.h>
 //   global data
 //------------------------------------------------------------------------
 
-extern wxList wxPendingDelete;
-
-wxHashTable *wxWidgetHashTable = NULL;
-wxHashTable *wxClientWidgetHashTable = NULL;
-
-wxApp *wxTheApp = NULL;
+wxWindowHash *wxWidgetHashTable = NULL;
+wxWindowHash *wxClientWidgetHashTable = NULL;
 
-// This is set within wxEntryStart -- too early on
-// to put these in wxTheApp
-static bool g_showIconic = FALSE;
+static bool g_showIconic = false;
 static wxSize g_initialSize = wxDefaultSize;
 
 // This is required for wxFocusEvent::SetWindow(). It will only
@@ -93,342 +84,149 @@ static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
 //------------------------------------------------------------------------
 
 long wxApp::sm_lastMessageTime = 0;
-WXDisplay *wxApp::ms_display = NULL;
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-
-bool wxApp::Initialize()
-{
-    wxClassInfo::InitializeClasses();
-
-#if wxUSE_INTL
-    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
-#endif
-
-    // 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
-
-    wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
-    wxTheColourDatabase->Initialize();
-
-    wxInitializeStockLists();
-    wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
-    wxInitializeResourceSystem();
-#endif
-
-    wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
-    wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
-
-    wxModule::RegisterModules();
-    if (!wxModule::InitializeModules()) return FALSE;
-
-    return TRUE;
-}
-
-void wxApp::CleanUp()
-{
-    delete wxWidgetHashTable;
-    wxWidgetHashTable = NULL;
-    delete wxClientWidgetHashTable;
-    wxClientWidgetHashTable = NULL;
-
-    wxModule::CleanUpModules();
-
-#if wxUSE_WX_RESOURCES
-    wxCleanUpResourceSystem();
-#endif
-
-    delete wxTheColourDatabase;
-    wxTheColourDatabase = NULL;
-
-    wxDeleteStockObjects();
-
-    wxDeleteStockLists();
-
-    delete wxTheApp;
-    wxTheApp = NULL;
-
-    wxClassInfo::CleanUpClasses();
-
-#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.");
-        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
-    delete wxLog::SetActiveTarget(NULL);
-}
-
-// NB: argc and argv may be changed here, pass by reference!
-int wxEntryStart( int& argc, char *argv[] )
+bool wxApp::Initialize(int& argC, wxChar **argV)
 {
-#ifdef __WXDEBUG__
-#if !wxUSE_NANOX
+#if defined(__WXDEBUG__) && !wxUSE_NANOX
     // install the X error handler
     gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
-#endif
 #endif // __WXDEBUG__
 
-    char *displayName = NULL;
-    bool syncDisplay = FALSE;
+    wxString displayName;
+    bool syncDisplay = false;
 
-    int i;
-    for (i = 0; i < argc; i++)
+    int argCOrig = argC;
+    for ( int i = 0; i < argCOrig; i++ )
     {
-        if (strcmp( argv[i], "-display") == 0)
+        if (wxStrcmp( argV[i], _T("-display") ) == 0)
         {
-            if (i < (argc - 1))
+            if (i < (argC - 1))
             {
-                i ++;
-                displayName = argv[i];
-                continue;
+                argV[i++] = NULL;
+
+                displayName = argV[i];
+
+                argV[i] = NULL;
+                argC -= 2;
             }
         }
-        else if (strcmp( argv[i], "-geometry") == 0)
+        else if (wxStrcmp( argV[i], _T("-geometry") ) == 0)
         {
-            if (i < (argc - 1))
+            if (i < (argC - 1))
             {
-                i ++;
+                argV[i++] = NULL;
+
                 int w, h;
-                if (sscanf(argv[i], "%dx%d", &w, &h) != 2)
+                if (wxSscanf(argV[i], _T("%dx%d"), &w, &h) != 2)
                 {
-                    wxLogError( _("Invalid geometry specification '%s'"), wxString::FromAscii(argv[i]).c_str() );
+                    wxLogError( _("Invalid geometry specification '%s'"),
+                                wxString(argV[i]).c_str() );
                 }
                 else
                 {
                     g_initialSize = wxSize(w, h);
                 }
-                continue;
+
+                argV[i] = NULL;
+                argC -= 2;
             }
         }
-        else if (strcmp( argv[i], "-sync") == 0)
+        else if (wxStrcmp( argV[i], _T("-sync") ) == 0)
         {
-            syncDisplay = TRUE;
-            continue;
+            syncDisplay = true;
+
+            argV[i] = NULL;
+            argC--;
         }
-        else if (strcmp( argv[i], "-iconic") == 0)
+        else if (wxStrcmp( argV[i], _T("-iconic") ) == 0)
         {
-            g_showIconic = TRUE;
+            g_showIconic = true;
 
-            continue;
+            argV[i] = NULL;
+            argC--;
         }
-
-    }
-
-    // X11 display stuff    
-    Display* xdisplay = XOpenDisplay( displayName );
-    if (!xdisplay)
-    {
-        wxLogError( _("wxWindows could not open display. Exiting.") );
-        return -1;
     }
 
-    if (syncDisplay)
-        XSynchronize(xdisplay, True);
-
-    wxApp::ms_display = (WXDisplay*) xdisplay;
-    
-    XSelectInput( xdisplay, XDefaultRootWindow(xdisplay), PropertyChangeMask);
-
-    // Misc.
-    wxSetDetectableAutoRepeat( TRUE );
-
-#if wxUSE_UNICODE
-    // Glib's type system required by Pango
-    g_type_init();
-#endif    
-
-    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
-    // 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
-    int err = wxEntryStart(argc, argv);
-    if (err)
-        return err;
-
-    if (!wxTheApp)
+    if ( argC != argCOrig )
     {
-        if (!wxApp::GetInitializerFunction())
+        // remove the argumens we consumed
+        for ( int i = 0; i < argC; i++ )
         {
-            printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
-            return 0;
+            while ( !argV[i] )
+            {
+                memmove(argV + i, argV + i + 1, argCOrig - i);
+            }
         }
-
-        wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
     }
 
-    if (!wxTheApp)
+    // open and set up the X11 display
+    if ( !wxSetDisplay(displayName) )
     {
-        printf( "wxWindows error: wxTheApp == NULL\n" );
-        return 0;
+        wxLogError(_("wxWidgets could not open display. Exiting."));
+        return false;
     }
 
-    // Command line argument stuff
-    wxTheApp->argc = argc;
-#if wxUSE_UNICODE
-    wxTheApp->argv = new wxChar*[argc+1];
-    int mb_argc = 0;
-    while (mb_argc < argc)
-    {
-        wxString tmp = wxString::FromAscii( argv[mb_argc] );
-        wxTheApp->argv[mb_argc] = wxStrdup( tmp.c_str() );
-        mb_argc++;
-    }
-    wxTheApp->argv[mb_argc] = (wxChar *)NULL;
-#else
-    wxTheApp->argv = argv;
-#endif
-
-    if (wxTheApp->argc > 0)
-    {
-        wxFileName fname( wxTheApp->argv[0] );
-        wxTheApp->SetAppName( fname.GetName() );
-    }
-
-    wxTheApp->m_showIconic = g_showIconic;
-    wxTheApp->m_initialSize = g_initialSize;
-
-    int retValue;
-    retValue = wxEntryInitGui();
+    Display *dpy = wxGlobalDisplay();
+    if (syncDisplay)
+        XSynchronize(dpy, True);
 
-    // Here frames insert themselves automatically into wxTopLevelWindows by
-    // getting created in OnInit().
-    if ( retValue == 0 )
-    {
-        if ( !wxTheApp->OnInit() )
-            retValue = -1;
-    }
+    XSelectInput(dpy, XDefaultRootWindow(dpy), PropertyChangeMask);
 
-    if ( retValue == 0 )
-    {
-        if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
-    }
+    wxSetDetectableAutoRepeat( true );
 
-    // 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 ( !wxAppBase::Initialize(argC, argV) )
+        return false;
 
-    if (wxTheApp->GetTopWindow())
-    {
-        delete wxTheApp->GetTopWindow();
-        wxTheApp->SetTopWindow(NULL);
-    }
+#if wxUSE_UNICODE
+    // Glib's type system required by Pango
+    g_type_init();
+#endif
 
-    wxTheApp->DeletePendingObjects();
+#if wxUSE_INTL
+    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
 
-    wxTheApp->OnExit();
+    wxWidgetHashTable = new wxWindowHash;
+    wxClientWidgetHashTable = new wxWindowHash;
 
-    wxApp::CleanUp();
+    return true;
+}
 
-    return retValue;
-};
+void wxApp::CleanUp()
+{
+    delete wxWidgetHashTable;
+    wxWidgetHashTable = NULL;
+    delete wxClientWidgetHashTable;
+    wxClientWidgetHashTable = NULL;
 
-// Static member initialization
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+    wxAppBase::CleanUp();
+}
 
 wxApp::wxApp()
 {
-    // TODO: parse the command line
-    argc = 0;
-    argv = NULL;
-
-    m_mainColormap = (WXColormap) NULL;
-    m_topLevelWidget = (WXWindow) NULL;
+    m_mainColormap = NULL;
+    m_topLevelWidget = NULL;
     m_maxRequestSize = 0;
-    m_mainLoop = NULL;
-    m_showIconic = FALSE;
+    m_showIconic = false;
     m_initialSize = wxDefaultSize;
 
 #if !wxUSE_NANOX
-    m_visualColormap = NULL;
-    m_colorCube = NULL;
+    m_visualInfo = NULL;
 #endif
 }
 
 wxApp::~wxApp()
 {
 #if !wxUSE_NANOX
-    if (m_colorCube)
-        free( m_colorCube );
-
-    if (m_visualColormap)
-        delete [] (XColor*)m_visualColormap;
+    delete m_visualInfo;
 #endif
 }
 
-bool wxApp::Initialized()
-{
-    if (GetTopWindow())
-        return TRUE;
-    else
-        return FALSE;
-}
-
-int wxApp::MainLoop()
-{
-    int rt;
-    m_mainLoop = new wxEventLoop;
-
-    rt = m_mainLoop->Run();
-
-    delete m_mainLoop;
-    m_mainLoop = NULL;
-    return rt;
-}
-
 #if !wxUSE_NANOX
+
 //-----------------------------------------------------------------------
 // X11 predicate function for exposure compression
 //-----------------------------------------------------------------------
@@ -439,7 +237,8 @@ struct wxExposeInfo
     Bool found_non_matching;
 };
 
-static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
+extern "C"
+Bool wxX11ExposePredicate (Display *WXUNUSED(display), XEvent *xevent, XPointer arg)
 {
     wxExposeInfo *info = (wxExposeInfo*) arg;
 
@@ -448,23 +247,23 @@ static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
 
     if (xevent->xany.type != Expose)
     {
-        info->found_non_matching = TRUE;
+        info->found_non_matching = true;
         return FALSE;
     }
 
     if (xevent->xexpose.window != info->window)
     {
-        info->found_non_matching = TRUE;
+        info->found_non_matching = true;
         return FALSE;
     }
 
     return TRUE;
 }
-#endif
-    // wxUSE_NANOX
+
+#endif // wxUSE_NANOX
 
 //-----------------------------------------------------------------------
-// Processes an X event, returning TRUE if the event was processed.
+// Processes an X event, returning true if the event was processed.
 //-----------------------------------------------------------------------
 
 bool wxApp::ProcessXEvent(WXEvent* _event)
@@ -490,7 +289,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         win = wxGetClientWindowFromTable(window);
         if (!win)
 #endif
-            return FALSE;
+            return false;
     }
 
 #ifdef __WXDEBUG__
@@ -507,8 +306,8 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 XEvent tmp_event;
                 wxExposeInfo info;
                 info.window = event->xexpose.window;
-                info.found_non_matching = FALSE;
-                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
+                info.found_non_matching = false;
+                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, wxX11ExposePredicate, (XPointer) &info ))
                 {
                     // Don't worry about optimizing redrawing the border etc.
                 }
@@ -526,8 +325,8 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 XEvent tmp_event;
                 wxExposeInfo info;
                 info.window = event->xexpose.window;
-                info.found_non_matching = FALSE;
-                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
+                info.found_non_matching = false;
+                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, wxX11ExposePredicate, (XPointer) &info ))
                 {
                     win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
                                                   tmp_event.xexpose.width, tmp_event.xexpose.height );
@@ -549,17 +348,17 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
 
                 // Only erase background, paint in idle time.
                 win->SendEraseEvents();
-                // win->Update();
+
+                // EXPERIMENT
+                //win->Update();
             }
 
-            return TRUE;
+            return true;
         }
 
 #if !wxUSE_NANOX
         case GraphicsExpose:
         {
-            printf( "GraphicExpose event\n" );
-
             wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str());
 
             win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
@@ -575,14 +374,14 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 // win->Update();
             }
 
-            return TRUE;
+            return true;
         }
 #endif
 
         case KeyPress:
         {
             if (!win->IsEnabled())
-                return FALSE;
+                return false;
 
             wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
             wxTranslateKeyEvent(keyEvent, win, window, event);
@@ -590,15 +389,15 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             // wxLogDebug( "OnKey from %s", win->GetName().c_str() );
 
             // We didn't process wxEVT_KEY_DOWN, so send wxEVT_CHAR
-            if (win->GetEventHandler()->ProcessEvent( keyEvent ))
-                return TRUE;
+            if (win->HandleWindowEvent( keyEvent ))
+                return true;
 
             keyEvent.SetEventType(wxEVT_CHAR);
             // Do the translation again, retaining the ASCII
             // code.
-            wxTranslateKeyEvent(keyEvent, win, window, event, TRUE);
-            if (win->GetEventHandler()->ProcessEvent( keyEvent ))
-                return TRUE;
+            if (wxTranslateKeyEvent(keyEvent, win, window, event, true) &&
+                win->HandleWindowEvent( keyEvent ))
+                return true;
 
             if ( (keyEvent.m_keyCode == WXK_TAB) &&
                  win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
@@ -610,20 +409,20 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
                 new_event.SetWindowChange( keyEvent.ControlDown() );
                 new_event.SetCurrentFocus( win );
-                return win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
+                return win->GetParent()->HandleWindowEvent( new_event );
             }
 
-            return FALSE;
+            return false;
         }
         case KeyRelease:
         {
             if (!win->IsEnabled())
-                return FALSE;
+                return false;
 
             wxKeyEvent keyEvent(wxEVT_KEY_UP);
             wxTranslateKeyEvent(keyEvent, win, window, event);
 
-            return win->GetEventHandler()->ProcessEvent( keyEvent );
+            return win->HandleWindowEvent( keyEvent );
         }
         case ConfigureNotify:
         {
@@ -631,16 +430,15 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             if (event->update.utype == GR_UPDATE_SIZE)
 #endif
             {
-                if (win->IsTopLevel())
+                wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
+                if ( tlw )
                 {
-                    wxTopLevelWindow *tlw = (wxTopLevelWindow*) win;
                     tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event),
                         XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) );
                 }
 
-                if (win->IsTopLevel() && win->IsShown())
+                if ( tlw && tlw->IsShown() )
                 {
-                    wxTopLevelWindowX11 *tlw = (wxTopLevelWindowX11 *) win;
                     tlw->SetNeedResizeInIdle();
                 }
                 else
@@ -648,11 +446,10 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                     wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
                     sizeEvent.SetEventObject( win );
 
-                    return win->GetEventHandler()->ProcessEvent( sizeEvent );
+                    return win->HandleWindowEvent( sizeEvent );
                 }
             }
-            return FALSE;
-            break;
+            return false;
         }
 #if !wxUSE_NANOX
         case PropertyNotify:
@@ -663,7 +460,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         case ClientMessage:
         {
             if (!win->IsEnabled())
-                return FALSE;
+                return false;
 
             Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True);
             Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True);
@@ -672,11 +469,11 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             {
                 if ((Atom) (event->xclient.data.l[0]) == wm_delete_window)
                 {
-                    win->Close(FALSE);
-                    return TRUE;
+                    win->Close(false);
+                    return true;
                 }
             }
-            return FALSE;
+            return false;
         }
 #if 0
         case DestroyNotify:
@@ -709,7 +506,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             wxSizeEvent sizeEvent(sz, win->GetId());
             sizeEvent.SetEventObject(win);
 
-            return win->GetEventHandler()->ProcessEvent( sizeEvent );
+            return win->HandleWindowEvent( sizeEvent );
         }
 #endif
 #endif
@@ -718,10 +515,10 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         {
             if (win)
             {
-                win->Close(FALSE);
-                return TRUE;
+                win->Close(false);
+                return true;
             }
-            return FALSE;
+            return false;
             break;
         }
 #endif
@@ -732,7 +529,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         case MotionNotify:
         {
             if (!win->IsEnabled())
-                return FALSE;
+                return false;
 
             // Here we check if the top level window is
             // disabled, which is one aspect of modality.
@@ -740,11 +537,11 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             while (tlw && !tlw->IsTopLevel())
                 tlw = tlw->GetParent();
             if (tlw && !tlw->IsEnabled())
-                return FALSE;
+                return false;
 
             if (event->type == ButtonPress)
             {
-                if ((win != wxWindow::FindFocus()) && win->AcceptsFocus())
+                if ((win != wxWindow::FindFocus()) && win->CanAcceptFocus())
                 {
                     // This might actually be done in wxWindow::SetFocus()
                     // and not here. TODO.
@@ -769,378 +566,151 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             {
                 // Throw out NotifyGrab and NotifyUngrab
                 if (event->xcrossing.mode != NotifyNormal)
-                    return FALSE;
+                    return false;
             }
 #endif
             wxMouseEvent wxevent;
             wxTranslateMouseEvent(wxevent, win, window, event);
-            return win->GetEventHandler()->ProcessEvent( wxevent );
+            return win->HandleWindowEvent( wxevent );
         }
         case FocusIn:
-            {
 #if !wxUSE_NANOX
-                if ((event->xfocus.detail != NotifyPointer) &&
-                    (event->xfocus.mode == NotifyNormal))
+            if ((event->xfocus.detail != NotifyPointer) &&
+                (event->xfocus.mode == NotifyNormal))
 #endif
+            {
+                wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+
+                extern wxWindow* g_GettingFocus;
+                if (g_GettingFocus && g_GettingFocus->GetParent() == win)
                 {
-                    wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+                    // Ignore this, this can be a spurious FocusIn
+                    // caused by a child having its focus set.
+                    g_GettingFocus = NULL;
+                    wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+                    return true;
+                }
+                else
+                {
+                    wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
+                    focusEvent.SetEventObject(win);
+                    focusEvent.SetWindow( g_prevFocus );
+                    g_prevFocus = NULL;
 
-                    extern wxWindow* g_GettingFocus;
-                    if (g_GettingFocus && g_GettingFocus->GetParent() == win)
-                    {
-                        // Ignore this, this can be a spurious FocusIn
-                        // caused by a child having its focus set.
-                        g_GettingFocus = NULL;
-                        wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
-                        return TRUE;
-                    }
-                    else
-                    {
-                        wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
-                        focusEvent.SetEventObject(win);
-                        focusEvent.SetWindow( g_prevFocus );
-                        g_prevFocus = NULL;
-
-                        return win->GetEventHandler()->ProcessEvent(focusEvent);
-                    }
+                    return win->HandleWindowEvent(focusEvent);
                 }
-                return FALSE;
-                break;
             }
+            return false;
+
         case FocusOut:
-            {
 #if !wxUSE_NANOX
-                if ((event->xfocus.detail != NotifyPointer) &&
-                    (event->xfocus.mode == NotifyNormal))
+            if ((event->xfocus.detail != NotifyPointer) &&
+                (event->xfocus.mode == NotifyNormal))
 #endif
-                {
-                    wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+            {
+                wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
 
-                    wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
-                    focusEvent.SetEventObject(win);
-                    focusEvent.SetWindow( g_nextFocus );
-                    g_nextFocus = NULL;
-                    return win->GetEventHandler()->ProcessEvent(focusEvent);
-                }
-                return FALSE;
-                break;
+                wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
+                focusEvent.SetEventObject(win);
+                focusEvent.SetWindow( g_nextFocus );
+                g_nextFocus = NULL;
+                return win->HandleWindowEvent(focusEvent);
             }
-        default:
-        {
+            return false;
+
 #ifdef __WXDEBUG__
+        default:
             //wxString eventName = wxGetXEventName(XEvent& event);
             //wxLogDebug(wxT("Event %s not handled"), eventName.c_str());
-#endif
-            return FALSE;
             break;
-        }
+#endif // __WXDEBUG__
     }
-    return FALSE;
-}
-
-// 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;
-    event.SetEventObject(this);
-    ProcessEvent(event);
-
-    return event.MoreRequested();
-}
-
-void wxApp::ExitMainLoop()
-{
-    if (m_mainLoop)
-        m_mainLoop->Exit(0);
-}
 
-// Is a message/event pending?
-bool wxApp::Pending()
-{
-    return wxEventLoop::GetActive()->Pending();
-}
-
-// Dispatch a message.
-void wxApp::Dispatch()
-{
-    wxEventLoop::GetActive()->Dispatch();
+    return false;
 }
 
 // This should be redefined in a derived class for
 // handling property change events for XAtom IPC.
-bool wxApp::HandlePropertyChange(WXEvent *event)
+bool wxApp::HandlePropertyChange(WXEvent *WXUNUSED(event))
 {
     // by default do nothing special
     // TODO: what to do for X11
     // XtDispatchEvent((XEvent*) event);
-    return FALSE;
+    return false;
 }
 
-void wxApp::OnIdle(wxIdleEvent& event)
+void wxApp::WakeUpIdle()
 {
-    static bool s_inOnIdle = FALSE;
-
-    // Avoid recursion (via ProcessEvent default case)
-    if (s_inOnIdle)
-        return;
-
-    s_inOnIdle = TRUE;
-
-    // Resend in the main thread events which have been prepared in other
-    // threads
-    ProcessPendingEvents();
-
-    // 'Garbage' collection of windows deleted with Close()
-    DeletePendingObjects();
+    // TODO: use wxMotif implementation?
 
-    // Send OnIdle events to all windows
-    bool needMore = SendIdleEvents();
-
-    if (needMore)
-        event.RequestMore(TRUE);
-
-    s_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;
-
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-// Send idle event to window and all subwindows
-bool wxApp::SendIdleEvents(wxWindow* win)
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-
-    win->GetEventHandler()->ProcessEvent(event);
-
-    if (event.MoreRequested())
-        needMore = TRUE;
-
-    wxNode* node = win->GetChildren().First();
-    while (node)
-    {
-        wxWindow* win = (wxWindow*) node->Data();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-
-        node = node->Next();
-    }
-
-    win->OnInternalIdle();
-
-    return needMore;
-}
-
-void wxApp::DeletePendingObjects()
-{
-    wxNode *node = wxPendingDelete.First();
-    while (node)
-    {
-        wxObject *obj = (wxObject *)node->Data();
-
-        delete obj;
-
-        if (wxPendingDelete.Member(obj))
-            delete node;
-
-        // Deleting one object may have deleted other pending
-        // objects, so start from beginning of list again.
-        node = wxPendingDelete.First();
-    }
-}
-
-static void wxCalcPrecAndShift( unsigned long mask, int *shift, int *prec )
-{
-  *shift = 0;
-  *prec = 0;
-
-  while (!(mask & 0x1))
-    {
-      (*shift)++;
-      mask >>= 1;
-    }
-
-  while (mask & 0x1)
-    {
-      (*prec)++;
-      mask >>= 1;
-    }
-}
-
 // Create display, and other initialization
 bool wxApp::OnInitGui()
 {
+#if wxUSE_LOG
     // 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);
+#endif
 
     if (!wxAppBase::OnInitGui())
-        return FALSE;
+        return false;
 
-    GetMainColormap( wxApp::GetDisplay() );
+    Display *dpy = wxGlobalDisplay();
+    GetMainColormap(dpy);
 
-    m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() );
+    m_maxRequestSize = XMaxRequestSize(dpy);
 
 #if !wxUSE_NANOX
-    // Get info about the current visual. It is enough
-    // to do this once here unless we support different
-    // visuals, displays and screens. Given that wxX11
-    // mostly for embedded things, that is no real
-    // limitation.
-    Display *xdisplay = (Display*) wxApp::GetDisplay();
-    int xscreen = DefaultScreen(xdisplay);
-    Visual* xvisual = DefaultVisual(xdisplay,xscreen);
-    int xdepth = DefaultDepth(xdisplay, xscreen);
-
-    XVisualInfo vinfo_template;
-    vinfo_template.visual = xvisual;
-    vinfo_template.visualid = XVisualIDFromVisual( xvisual );
-    vinfo_template.depth = xdepth;
-
-    int nitem = 0;
-    XVisualInfo *vi = XGetVisualInfo( xdisplay, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem );
-    wxASSERT_MSG( vi, wxT("No visual info") );
-
-    m_visualType = vi->visual->c_class;
-    m_visualScreen = vi->screen;
-
-    m_visualRedMask = vi->red_mask;
-    m_visualGreenMask = vi->green_mask;
-    m_visualBlueMask = vi->blue_mask;
-
-    if (m_visualType != GrayScale && m_visualType != PseudoColor)
-    {
-        wxCalcPrecAndShift( m_visualRedMask, &m_visualRedShift, &m_visualRedPrec );
-        wxCalcPrecAndShift( m_visualGreenMask, &m_visualGreenShift, &m_visualGreenPrec );
-        wxCalcPrecAndShift( m_visualBlueMask, &m_visualBlueShift, &m_visualBluePrec );
-    }
-
-    m_visualDepth = xdepth;
-    if (xdepth == 16)
-        xdepth = m_visualRedPrec + m_visualGreenPrec + m_visualBluePrec;
-
-    m_visualColormapSize = vi->colormap_size;
-
-    XFree( vi );
-
-    if (m_visualDepth > 8)
-        return TRUE;
-
-    m_visualColormap = new XColor[m_visualColormapSize];
-    XColor* colors = (XColor*) m_visualColormap;
-
-    for (int i = 0; i < m_visualColormapSize; i++)
-           colors[i].pixel = i;
-
-    XQueryColors( xdisplay, DefaultColormap(xdisplay,xscreen), colors, m_visualColormapSize );
-
-    m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
-
-    for (int r = 0; r < 32; r++)
-    {
-        for (int g = 0; g < 32; g++)
-        {
-            for (int b = 0; b < 32; b++)
-            {
-                int rr = (r << 3) | (r >> 2);
-                int gg = (g << 3) | (g >> 2);
-                int bb = (b << 3) | (b >> 2);
-
-                int index = -1;
-
-                if (colors)
-                {
-                    int max = 3 * 65536;
-
-                    for (int i = 0; i < m_visualColormapSize; i++)
-                    {
-                        int rdiff = ((rr << 8) - colors[i].red);
-                        int gdiff = ((gg << 8) - colors[i].green);
-                        int bdiff = ((bb << 8) - colors[i].blue);
-                        int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
-                        if (sum < max)
-                        {
-                            index = i; max = sum;
-                        }
-                    }
-                }
-                else
-                {
-                    // assume 8-bit true or static colors. this really exists
-                    index = (r >> (5 - m_visualRedPrec)) << m_visualRedShift;
-                    index |= (g >> (5 - m_visualGreenPrec)) << m_visualGreenShift;
-                    index |= (b >> (5 - m_visualBluePrec)) << m_visualBlueShift;
-                }
-                m_colorCube[ (r*1024) + (g*32) + b ] = index;
-            }
-        }
-    }
+    m_visualInfo = new wxXVisualInfo;
+    wxFillXVisualInfo(m_visualInfo, dpy);
 #endif
 
-    return TRUE;
+    return true;
 }
 
 #if wxUSE_UNICODE
 
 #include <pango/pango.h>
 #include <pango/pangox.h>
-#include <pango/pangoxft.h>
+#ifdef HAVE_PANGO_XFT
+    #include <pango/pangoxft.h>
+#endif
 
 PangoContext* wxApp::GetPangoContext()
 {
-    static PangoContext *ret = NULL;
-    if (ret)
-        return ret;
-    
-    Display *xdisplay = (Display*) wxApp::GetDisplay();
-    
-#if 1
-    int xscreen = DefaultScreen(xdisplay);
-    static int use_xft = -1;
-    if (use_xft == -1)
+    static PangoContext *s_pangoContext = NULL;
+    if ( !s_pangoContext )
     {
-        wxString val = wxGetenv( L"GDK_USE_XFT" );
-        use_xft = (val == L"1");
+        Display *dpy = wxGlobalDisplay();
+
+#ifdef HAVE_PANGO_XFT
+        int xscreen = DefaultScreen(dpy);
+        static int use_xft = -1;
+        if (use_xft == -1)
+        {
+            wxString val = wxGetenv( L"GDK_USE_XFT" );
+            use_xft = val == L"1";
+        }
+
+        if (use_xft)
+            s_pangoContext = pango_xft_get_context(dpy, xscreen);
+        else
+#endif // HAVE_PANGO_XFT
+            s_pangoContext = pango_x_get_context(dpy);
+
+        if (!PANGO_IS_CONTEXT(s_pangoContext))
+            wxLogError( wxT("No pango context.") );
     }
-  
-    if (use_xft)
-        ret = pango_xft_get_context( xdisplay, xscreen );
-    else
-#endif
-        ret = pango_x_get_context( xdisplay );
-        
-    if (!PANGO_IS_CONTEXT(ret))
-        wxLogError( wxT("No pango context.") );
-        
-    return ret;
+
+    return s_pangoContext;
 }
-#endif
+
+#endif // wxUSE_UNICODE
 
 WXColormap wxApp::GetMainColormap(WXDisplay* display)
 {
@@ -1160,11 +730,13 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
 
 Window wxGetWindowParent(Window window)
 {
-    wxASSERT_MSG( window, "invalid window" );
+    wxASSERT_MSG( window, _T("invalid window") );
 
     return (Window) 0;
 
-    Window parent, root = 0;
+#ifndef __VMS
+   // VMS chokes on unreacheable code
+   Window parent, root = 0;
 #if wxUSE_NANOX
     int noChildren = 0;
 #else
@@ -1185,25 +757,19 @@ Window wxGetWindowParent(Window window)
         return parent;
     else
         return (Window) 0;
+#endif
 }
 
-void wxExit()
+void wxApp::Exit()
 {
-    int retValue = 0;
-    if (wxTheApp)
-        retValue = wxTheApp->OnExit();
-
     wxApp::CleanUp();
-    /*
-    * Exit in some platform-specific way. Not recommended that the app calls this:
-    * only for emergencies.
-    */
-    exit(retValue);
+
+    wxAppConsole::Exit();
 }
 
 // Yield to other processes
 
-bool wxApp::Yield(bool onlyIfNeeded)
+bool wxApp::DoYield(bool onlyIfNeeded, long eventsToProcess)
 {
     // Sometimes only 2 yields seem
     // to do the trick, e.g. in the
@@ -1211,52 +777,40 @@ bool wxApp::Yield(bool onlyIfNeeded)
     int i;
     for (i = 0; i < 2; i++)
     {
-        bool s_inYield = FALSE;
-
-        if ( s_inYield )
+        if ( m_isInsideYield )
         {
             if ( !onlyIfNeeded )
             {
                 wxFAIL_MSG( wxT("wxYield called recursively" ) );
             }
 
-            return FALSE;
+            return false;
         }
 
-        s_inYield = TRUE;
+        m_isInsideYield = true;
+        m_eventsToProcessInsideYield = eventsToProcess;
 
         // Make sure we have an event loop object,
         // or Pending/Dispatch will fail
-        wxEventLoop* eventLoop = wxEventLoop::GetActive();
-        wxEventLoop* newEventLoop = NULL;
-        if (!eventLoop)
-        {
-            newEventLoop = new wxEventLoop;
-            wxEventLoop::SetActive(newEventLoop);
-        }
+        wxEventLoopGuarantor dummyLoopIfNeeded;
 
         // Call dispatch at least once so that sockets
         // can be tested
         wxTheApp->Dispatch();
-        
+
+        // TODO: implement event filtering using the eventsToProcess mask
         while (wxTheApp && wxTheApp->Pending())
             wxTheApp->Dispatch();
 
 #if wxUSE_TIMER
-        wxTimer::NotifyTimers();
+        wxGenericTimerImpl::NotifyTimers();
 #endif
         ProcessIdle();
 
-        if (newEventLoop)
-        {
-            wxEventLoop::SetActive(NULL);
-            delete newEventLoop;
-        }
-
-        s_inYield = FALSE;
+        m_isInsideYield = false;
     }
 
-    return TRUE;
+    return true;
 }
 
 #ifdef __WXDEBUG__
@@ -1275,4 +829,3 @@ void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxC
 }
 
 #endif // __WXDEBUG__
-