Fix some crashes in new wxTextCtrl.

[wxWidgets.git] / src / x11 / app.cpp

diff --git a/src/x11/app.cpp b/src/x11/app.cpp
index 7929a5e6cae100b8fa8b3259d501bcc68d5fa51a..3408003de49891d8276d3111fb6f02404fc04635 100644 (file)
--- a/src/x11/app.cpp
+++ b/src/x11/app.cpp
@@ -17,19 +17,20 @@
 #include "wx/app.h"
 #include "wx/utils.h"
 #include "wx/gdicmn.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/icon.h"

-#include "wx/palette.h"
-#include "wx/dc.h"

 #include "wx/dialog.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/log.h"
 #include "wx/module.h"
 #include "wx/memory.h"
 #include "wx/log.h"
 #include "wx/intl.h"

+#include "wx/evtloop.h"
+#include "wx/timer.h"
+
+#include "wx/univ/theme.h"
+#include "wx/univ/renderer.h"
+
+#define ABS(a)    (((a) < 0) ? -(a) : (a))

 
 #if wxUSE_THREADS
     #include "wx/thread.h"
 
 #if wxUSE_THREADS
     #include "wx/thread.h"


@@ -39,52 +40,69 @@
     #include "wx/resource.h"
 #endif
 
     #include "wx/resource.h"
 #endif
 

-#ifdef __VMS__
-#pragma message disable nosimpint
-#endif
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xresource.h>
-#include <X11/Xatom.h>
-#ifdef __VMS__
-#pragma message enable nosimpint
-#endif
-

 #include "wx/x11/private.h"
 
 #include <string.h>
 
 #include "wx/x11/private.h"
 
 #include <string.h>
 

-extern char *wxBuffer;
+//------------------------------------------------------------------------
+//   global data
+//------------------------------------------------------------------------
+

 extern wxList wxPendingDelete;
 
 extern wxList wxPendingDelete;
 

+wxHashTable *wxWidgetHashTable = NULL;
+wxHashTable *wxClientWidgetHashTable = NULL;
+

 wxApp *wxTheApp = NULL;
 
 wxApp *wxTheApp = NULL;
 

-wxHashTable *wxWidgetHashTable = NULL;
+// This is set within wxEntryStart -- too early on
+// to put these in wxTheApp
+static int g_newArgc = 0;
+static wxChar** g_newArgv = NULL;
+static bool g_showIconic = FALSE;
+static wxSize g_initialSize = wxDefaultSize;

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+// This is required for wxFocusEvent::SetWindow(). It will only
+// work for focus events which we provoke ourselves (by calling
+// SetFocus()). It will not work for those events, which X11
+// generates itself.
+static wxWindow *g_nextFocus = NULL;
+static wxWindow *g_prevFocus = NULL;

 
 

-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+//------------------------------------------------------------------------
+//   X11 error handling
+//------------------------------------------------------------------------

 
 #ifdef __WXDEBUG__
 
 #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
+static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
+{
+    // just forward to the default handler for now
+    if (gs_pfnXErrorHandler)

         return gs_pfnXErrorHandler(dpy, xevent);
         return gs_pfnXErrorHandler(dpy, xevent);

-    }
+    else
+        return 0;
+}

 #endif // __WXDEBUG__
 
 #endif // __WXDEBUG__
 

+//------------------------------------------------------------------------
+//   wxApp
+//------------------------------------------------------------------------
+

 long wxApp::sm_lastMessageTime = 0;
 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()
 {
 
 bool wxApp::Initialize()
 {

-    wxBuffer = new char[BUFSIZ + 512];
-

     wxClassInfo::InitializeClasses();
 
     // GL: I'm annoyed ... I don't know where to put this and I don't want to
     wxClassInfo::InitializeClasses();
 
     // GL: I'm annoyed ... I don't know where to put this and I don't want to


@@ -103,9 +121,8 @@ bool wxApp::Initialize()
     wxInitializeResourceSystem();
 #endif
 
     wxInitializeResourceSystem();
 #endif
 

-    wxBitmap::InitStandardHandlers();
-

     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);

+    wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER);

 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;


@@ -115,8 +132,14 @@ bool wxApp::Initialize()
 
 void wxApp::CleanUp()
 {
 
 void wxApp::CleanUp()
 {

+    if (g_newArgv)
+        delete[] g_newArgv;
+    g_newArgv = NULL;
+

     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;

+    delete wxClientWidgetHashTable;
+    wxClientWidgetHashTable = NULL;

 
     wxModule::CleanUpModules();
 
 
     wxModule::CleanUpModules();
 


@@ -124,27 +147,18 @@ void wxApp::CleanUp()
     wxCleanUpResourceSystem();
 #endif
 
     wxCleanUpResourceSystem();
 #endif
 

-    wxDeleteStockObjects() ;
-
-    // Destroy all GDI lists, etc.
-
-    wxDeleteStockLists();
-

     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 

-    wxBitmap::CleanUpHandlers();
-
-    delete[] wxBuffer;
-    wxBuffer = NULL;
+    wxDeleteStockObjects();

 
 

-    wxClassInfo::CleanUpClasses();
+    wxDeleteStockLists();

 
     delete wxTheApp;
     wxTheApp = NULL;
 
 
     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.
+    wxClassInfo::CleanUpClasses();
+

 #if wxUSE_THREADS
     delete wxPendingEvents;
     delete wxPendingEventsLocker;
 #if wxUSE_THREADS
     delete wxPendingEvents;
     delete wxPendingEventsLocker;


@@ -157,7 +171,7 @@ void wxApp::CleanUp()
     // wxDebugContext, too.
     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
     {
     // wxDebugContext, too.
     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
     {

-        wxLogDebug("There were memory leaks.\n");
+        wxLogDebug("There were memory leaks.");

         wxDebugContext::Dump();
         wxDebugContext::PrintStatistics();
     }
         wxDebugContext::Dump();
         wxDebugContext::PrintStatistics();
     }


@@ -169,6 +183,113 @@ void wxApp::CleanUp()
     delete wxLog::SetActiveTarget(NULL);
 }
 
     delete wxLog::SetActiveTarget(NULL);
 }
 

+// NB: argc and argv may be changed here, pass by reference!
+int wxEntryStart( int& argc, char *argv[] )
+{
+#ifdef __WXDEBUG__
+#if !wxUSE_NANOX
+    // install the X error handler
+    gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
+#endif
+#endif // __WXDEBUG__
+
+    wxString displayName;
+    bool syncDisplay = FALSE;
+
+    // Parse the arguments.
+    // We can't use wxCmdLineParser or OnInitCmdLine and friends because
+    // we have to create the Display earlier. If we can find a way to
+    // use the wxAppBase API then I'll be quite happy to change it.
+    g_newArgv = new wxChar*[argc];
+    g_newArgc = 0;
+    int i;
+    for (i = 0; i < argc; i++)
+    {
+        wxString arg(argv[i]);
+        if (arg == wxT("-display"))
+        {
+            if (i < (argc - 1))
+            {
+                i ++;
+                displayName = argv[i];
+                continue;
+            }
+        }
+        else if (arg == wxT("-geometry"))
+        {
+            if (i < (argc - 1))
+            {
+                i ++;
+                wxString windowGeometry = argv[i];
+                int w, h;
+                if (wxSscanf(windowGeometry.c_str(), _T("%dx%d"), &w, &h) != 2)
+                {
+                    wxLogError(_("Invalid geometry specification '%s'"), windowGeometry.c_str());
+                }
+                else
+                {
+                    g_initialSize = wxSize(w, h);
+                }
+                continue;
+            }
+        }
+        else if (arg == wxT("-sync"))
+        {
+            syncDisplay = TRUE;
+            continue;
+        }
+        else if (arg == wxT("-iconic"))
+        {
+            g_showIconic = TRUE;
+
+            continue;
+        }
+
+        // Not eaten by wxWindows, so pass through
+        g_newArgv[g_newArgc] = argv[i];
+        g_newArgc ++;
+    }
+
+    Display* xdisplay = NULL;
+    if (displayName.IsEmpty())
+        xdisplay = XOpenDisplay(NULL);
+    else
+        xdisplay = XOpenDisplay((char*) displayName.c_str());
+
+    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);
+
+    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
 int wxEntry( int argc, char *argv[] )
 {
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT


@@ -180,9 +301,9 @@ int wxEntry( int argc, char *argv[] )
     // checked, but this is a reasonable compromise.
     wxDebugContext::SetCheckpoint();
 #endif
     // 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)
     {
 
     if (!wxTheApp)
     {


@@ -204,17 +325,33 @@ int wxEntry( int argc, char *argv[] )
     wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
     wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
 
     wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
     wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
 

-    wxTheApp->argc = argc;
-    wxTheApp->argv = argv;
+    // The command line may have been changed
+    // by stripping out -display etc.
+    if (g_newArgc > 0)
+    {
+        wxTheApp->argc = g_newArgc;
+        wxTheApp->argv = g_newArgv;
+    }
+    else
+    {
+        wxTheApp->argc = argc;
+        wxTheApp->argv = argv;
+    }
+    wxTheApp->m_showIconic = g_showIconic;
+    wxTheApp->m_initialSize = g_initialSize;

 
 

-    // 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().
 
     // 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();
     }
     {
         if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
     }


@@ -258,7 +395,25 @@ wxApp::wxApp()
     m_mainColormap = (WXColormap) NULL;
     m_topLevelWidget = (WXWindow) NULL;
     m_maxRequestSize = 0;
     m_mainColormap = (WXColormap) NULL;
     m_topLevelWidget = (WXWindow) NULL;
     m_maxRequestSize = 0;

-    m_initialDisplay = (WXDisplay*) 0;
+    m_mainLoop = NULL;
+    m_showIconic = FALSE;
+    m_initialSize = wxDefaultSize;
+    
+#if !wxUSE_NANOX
+    m_visualColormap = NULL;
+    m_colorCube = NULL;
+#endif
+}
+
+wxApp::~wxApp()
+{
+#if !wxUSE_NANOX
+    if (m_colorCube)
+        free( m_colorCube );
+        
+    if (m_visualColormap)
+        delete [] (XColor*)m_visualColormap;
+#endif

 }
 
 bool wxApp::Initialized()
 }
 
 bool wxApp::Initialized()


@@ -271,131 +426,407 @@ bool wxApp::Initialized()
 
 int wxApp::MainLoop()
 {
 
 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();
+
+    delete m_mainLoop;
+    m_mainLoop = NULL;
+    return rt;
+}

 
 

-    XSelectInput(wxGetDisplay(),
-        XDefaultRootWindow(wxGetDisplay()),
-        PropertyChangeMask);
+#if !wxUSE_NANOX
+//-----------------------------------------------------------------------
+// X11 predicate function for exposure compression
+//-----------------------------------------------------------------------
+
+struct wxExposeInfo
+{
+    Window window;
+    Bool found_non_matching;
+};
+
+static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
+{
+    wxExposeInfo *info = (wxExposeInfo*) arg;

 
 

-    XEvent event;
+    if (info->found_non_matching)
+       return FALSE;

 
 

-    // Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
-    while (m_keepGoing)
+    if (xevent->xany.type != Expose)

     {
     {

-        XNextEvent(wxGetDisplay(), & event);
+        info->found_non_matching = TRUE;
+        return FALSE;
+    }
+
+    if (xevent->xexpose.window != info->window)
+    {
+        info->found_non_matching = TRUE;
+        return FALSE;
+    }
+
+    return TRUE;
+}
+#endif
+    // wxUSE_NANOX
+
+//-----------------------------------------------------------------------
+// Processes an X event, returning TRUE if the event was processed.
+//-----------------------------------------------------------------------
+
+bool wxApp::ProcessXEvent(WXEvent* _event)
+{
+    XEvent* event = (XEvent*) _event;
+
+    wxWindow* win = NULL;
+    Window window = XEventGetWindow(event);
+#if 0
+    Window actualWindow = window;
+#endif
+
+    // Find the first wxWindow that corresponds to this event window
+    // 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)
+    {
+#if wxUSE_TWO_WINDOWS
+        win = wxGetClientWindowFromTable(window);
+        if (!win)
+#endif
+            return FALSE;
+    }

 
 

-        ProcessXEvent((WXEvent*) & event);
+#ifdef __WXDEBUG__
+    wxString windowClass = win->GetClassInfo()->GetClassName();
+#endif

 
 

-        if (XtPending(wxGetDisplay()) == 0)
+    switch (event->type)
+    {
+        case Expose:

         {
         {

-            if (!ProcessIdle())
+#if wxUSE_TWO_WINDOWS && !wxUSE_NANOX
+            if (event->xexpose.window != (Window)win->GetClientWindow())

             {
             {

-#if wxUSE_THREADS
-                // leave the main loop to give other threads a chance to
-                // perform their GUI work
-                wxMutexGuiLeave();
-                wxUsleep(20);
-                wxMutexGuiEnter();
+                XEvent tmp_event;
+                wxExposeInfo info;
+                info.window = event->xexpose.window;
+                info.found_non_matching = FALSE;
+                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
+                {
+                    // Don't worry about optimizing redrawing the border etc.
+                }
+                win->NeedUpdateNcAreaInIdle();
+            }
+            else

 #endif
 #endif

+            {
+                win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
+                                              XExposeEventGetWidth(event), XExposeEventGetHeight(event));
+                win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
+                                         XExposeEventGetWidth(event), XExposeEventGetHeight(event));
+
+#if !wxUSE_NANOX
+                XEvent tmp_event;
+                wxExposeInfo info;
+                info.window = event->xexpose.window;
+                info.found_non_matching = FALSE;
+                while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
+                {
+                    win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
+                                                  tmp_event.xexpose.width, tmp_event.xexpose.height );
+
+                    win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
+                                                 tmp_event.xexpose.width, tmp_event.xexpose.height );
+                }
+#endif
+
+                // This simplifies the expose and clear areas to simple
+                // rectangles.
+                win->GetUpdateRegion() = win->GetUpdateRegion().GetBox();
+                win->GetClearRegion() = win->GetClearRegion().GetBox();
+
+                // If we only have one X11 window, always indicate
+                // that borders might have to be redrawn.
+                if (win->GetMainWindow() == win->GetClientWindow())
+                    win->NeedUpdateNcAreaInIdle();
+
+                // Only erase background, paint in idle time.
+                win->SendEraseEvents();
+                // win->Update();

             }
             }

+
+            return TRUE;

         }
 
         }
 

-    }
+#if !wxUSE_NANOX
+        case GraphicsExpose:
+        {
+            printf( "GraphicExpose event\n" );

 
 

-    return 0;
-}
+            // wxLogDebug( "GraphicsExpose from %s", win->GetName().c_str(),
+            //                              event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+            //                              event->xgraphicsexpose.width, event->xgraphicsexpose.height);

 
 

-// Processes an X event.
-void wxApp::ProcessXEvent(WXEvent* _event)
-{
-    XEvent* event = (XEvent*) _event;
-    
-    if (event->type == KeyPress)
-    {
-        if (CheckForAccelerator(_event))
+            win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+                                          event->xgraphicsexpose.width, event->xgraphicsexpose.height);
+
+            win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+                                         event->xgraphicsexpose.width, event->xgraphicsexpose.height);
+
+            if (event->xgraphicsexpose.count == 0)
+            {
+                // Only erase background, paint in idle time.
+                win->SendEraseEvents();
+                // win->Update();
+            }
+
+            return TRUE;
+        }
+#endif
+
+        case KeyPress:

         {
         {

-            // Do nothing! We intercepted and processed the event as an
-            // accelerator.
-            return;
+            if (!win->IsEnabled())
+                return FALSE;
+
+            wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
+            wxTranslateKeyEvent(keyEvent, win, window, 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;
+
+            keyEvent.SetEventType(wxEVT_CHAR);
+            if (win->GetEventHandler()->ProcessEvent( keyEvent ))
+                return TRUE;
+
+            if ( (keyEvent.m_keyCode == WXK_TAB) &&
+                 win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
+            {
+                wxNavigationKeyEvent new_event;
+                new_event.SetEventObject( win->GetParent() );
+                /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
+                new_event.SetDirection( (keyEvent.m_keyCode == WXK_TAB) );
+                /* 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 FALSE;

         }
         }

-#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 KeyRelease:

         {
         {

-            // We intercepted and processed the key down event
-            return;
+            if (!win->IsEnabled())
+                return FALSE;
+
+            wxKeyEvent keyEvent(wxEVT_KEY_UP);
+            wxTranslateKeyEvent(keyEvent, win, window, event);
+
+            return win->GetEventHandler()->ProcessEvent( keyEvent );

         }
         }

+        case ConfigureNotify:
+        {
+#if wxUSE_NANOX
+            if (event->update.utype == GR_UPDATE_SIZE)

 #endif
 #endif

-        else
+            {
+                if (win->IsTopLevel())
+                {
+                    wxTopLevelWindow *tlw = (wxTopLevelWindow*) win;
+                    tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event),
+                        XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) );
+                }
+
+                if (win->IsTopLevel() && win->IsShown())
+                {
+                    wxTopLevelWindowX11 *tlw = (wxTopLevelWindowX11 *) win;
+                    tlw->SetNeedResizeInIdle();
+                }
+                else
+                {
+                    wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
+                    sizeEvent.SetEventObject( win );
+
+                    return win->GetEventHandler()->ProcessEvent( sizeEvent );
+                }
+            }
+            return FALSE;
+            break;
+        }
+#if !wxUSE_NANOX
+        case PropertyNotify:

         {
         {

-            // 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);
-            return;
+            //wxLogDebug("PropertyNotify: %s", windowClass.c_str());
+            return HandlePropertyChange(_event);

         }
         }

-    }
-    else if (event->type == KeyRelease)
-    {
-        // TODO: work out why we still need this !  -michael
-        //
-        if (CheckForKeyUp(_event))
+        case ClientMessage:

         {
         {

-            // We intercepted and processed the key up event
-            return;
+            if (!win->IsEnabled())
+                return FALSE;
+
+            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)
+                {
+                    win->Close(FALSE);
+                    return TRUE;
+                }
+            }
+            return FALSE;

         }
         }

-        else
+#if 0
+        case DestroyNotify:

         {
         {

-            // TODO: The X equivalent of XtDispatchEvent
-            // (see above)
-            // XtDispatchEvent(event);
-            return;
+            printf( "destroy from %s\n", win->GetName().c_str() );
+            break;
+        }
+        case CreateNotify:
+        {
+            printf( "create from %s\n", win->GetName().c_str() );
+            break;
+        }
+        case MapRequest:
+        {
+            printf( "map request from %s\n", win->GetName().c_str() );
+            break;
+        }
+        case ResizeRequest:
+        {
+            printf( "resize request from %s\n", win->GetName().c_str() );
+
+            Display *disp = (Display*) wxGetDisplay();
+            XEvent report;
+
+            //  to avoid flicker
+            report = * event;
+            while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report));
+
+            wxSize sz = win->GetSize();
+            wxSizeEvent sizeEvent(sz, win->GetId());
+            sizeEvent.SetEventObject(win);
+
+            return win->GetEventHandler()->ProcessEvent( sizeEvent );
+        }
+#endif
+#endif
+#if wxUSE_NANOX
+        case GR_EVENT_TYPE_CLOSE_REQ:
+        {
+            if (win)
+            {
+                win->Close(FALSE);
+                return TRUE;
+            }
+            return FALSE;
+            break;
+        }
+#endif
+        case EnterNotify:
+        case LeaveNotify:
+        case ButtonPress:
+        case ButtonRelease:
+        case MotionNotify:
+        {
+            if (!win->IsEnabled())
+                return FALSE;
+                
+            // Here we check if the top level window is
+            // disabled, which is one aspect of modality.
+            wxWindow *tlw = win;
+            while (tlw && !tlw->IsTopLevel())
+                tlw = tlw->GetParent();
+            if (tlw && !tlw->IsEnabled())
+                return FALSE;
+
+            if (event->type == ButtonPress)
+            {
+                if ((win != wxWindow::FindFocus()) && win->AcceptsFocus())
+                {
+                    // This might actually be done in wxWindow::SetFocus()
+                    // and not here. TODO.
+                    g_prevFocus = wxWindow::FindFocus();
+                    g_nextFocus = win;
+
+                    win->SetFocus();
+                }
+            }
+
+#if !wxUSE_NANOX
+            if (event->type == LeaveNotify || event->type == EnterNotify)
+            {
+                // Throw out NotifyGrab and NotifyUngrab
+                if (event->xcrossing.mode != NotifyNormal)
+                    return FALSE;
+            }
+#endif
+            wxMouseEvent wxevent;
+            wxTranslateMouseEvent(wxevent, win, window, event);
+            return win->GetEventHandler()->ProcessEvent( wxevent );
+        }
+        case FocusIn:
+            {
+#if !wxUSE_NANOX
+                if ((event->xfocus.detail != NotifyPointer) &&
+                    (event->xfocus.mode == NotifyNormal))
+#endif
+                {
+                    // wxLogDebug( "FocusIn from %s of type %s", win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+
+                    wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
+                    focusEvent.SetEventObject(win);
+                    focusEvent.SetWindow( g_prevFocus );
+                    g_prevFocus = NULL;
+
+                    return win->GetEventHandler()->ProcessEvent(focusEvent);
+                }
+                return FALSE;
+                break;
+            }
+        case FocusOut:
+            {
+#if !wxUSE_NANOX
+                if ((event->xfocus.detail != NotifyPointer) &&
+                    (event->xfocus.mode == NotifyNormal))
+#endif
+                {
+                    // wxLogDebug( "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;
+            }
+        default:
+        {
+#ifdef __WXDEBUG__
+            //wxString eventName = wxGetXEventName(XEvent& event);
+            //wxLogDebug(wxT("Event %s not handled"), eventName.c_str());
+#endif
+            return FALSE;
+            break;

         }
     }
         }
     }

-    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);
-    }
+    return FALSE;

 }
 
 // Returns TRUE if more time is needed.
 }
 
 // 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;
 bool wxApp::ProcessIdle()
 {
     wxIdleEvent event;


@@ -407,71 +838,56 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
 
 void wxApp::ExitMainLoop()
 {

-    m_keepGoing = FALSE;
+    if (m_mainLoop)
+        m_mainLoop->Exit(0);

 }
 
 // Is a message/event pending?
 bool wxApp::Pending()
 {
 }
 
 // Is a message/event pending?
 bool wxApp::Pending()
 {

-    XFlush(wxGetDisplay());
-
-    return (XPending(wxGetDisplay()) > 0);
+    return wxEventLoop::GetActive()->Pending();

 }
 
 // Dispatch a message.
 void wxApp::Dispatch()
 {
 }
 
 // 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
 // handling property change events for XAtom IPC.
 }
 
 // This should be redefined in a derived class for
 // handling property change events for XAtom IPC.

-void wxApp::HandlePropertyChange(WXEvent *event)
+bool wxApp::HandlePropertyChange(WXEvent *event)

 {
     // by default do nothing special
     // TODO: what to do for X11
 {
     // by default do nothing special
     // TODO: what to do for X11

-    // XtDispatchEvent((XEvent*) event); /* let Motif do the work */
+    // XtDispatchEvent((XEvent*) event);
+    return FALSE;

 }
 
 void wxApp::OnIdle(wxIdleEvent& event)
 {
 }
 
 void wxApp::OnIdle(wxIdleEvent& event)
 {

-    static bool inOnIdle = FALSE;
+    static bool s_inOnIdle = FALSE;

 
     // Avoid recursion (via ProcessEvent default case)
 
     // Avoid recursion (via ProcessEvent default case)

-    if (inOnIdle)
+    if (s_inOnIdle)

         return;
 
         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();
 
     ProcessPendingEvents();
 

-    // 'Garbage' collection of windows deleted with Close().
+    // 'Garbage' collection of windows deleted with Close()

     DeletePendingObjects();
 
     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);
 
     // Send OnIdle events to all windows
     bool needMore = SendIdleEvents();
 
     if (needMore)
         event.RequestMore(TRUE);
 

-    inOnIdle = FALSE;
+    s_inOnIdle = FALSE;

 }
 
 void wxWakeUpIdle()
 }
 
 void wxWakeUpIdle()


@@ -505,7 +921,10 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
     wxIdleEvent event;
     event.SetEventObject(win);
 
     wxIdleEvent event;
     event.SetEventObject(win);

-    win->ProcessEvent(event);
+
+    win->GetEventHandler()->ProcessEvent(event);
+
+    win->OnInternalIdle();

 
     if (event.MoreRequested())
         needMore = TRUE;
 
     if (event.MoreRequested())
         needMore = TRUE;


@@ -519,7 +938,8 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
         node = node->Next();
     }
 
         node = node->Next();
     }

-    return needMore ;
+
+    return needMore;

 }
 
 void wxApp::DeletePendingObjects()
 }
 
 void wxApp::DeletePendingObjects()


@@ -540,35 +960,135 @@ void wxApp::DeletePendingObjects()
     }
 }
 
     }
 }
 

-// Create an application context
-bool wxApp::OnInitGui()
+static void wxCalcPrecAndShift( unsigned long mask, int *shift, int *prec )

 {
 {

-    // 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);
+  *shift = 0;
+  *prec = 0;
+
+  while (!(mask & 0x1))
+    {
+      (*shift)++;
+      mask >>= 1;

     }
 
     }
 

-#ifdef __WXDEBUG__
-    // install the X error handler
-    gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
-#endif // __WXDEBUG__
+  while (mask & 0x1)
+    {
+      (*prec)++;
+      mask >>= 1;
+    }
+}

 
 

-    // 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
+// Create display, and other initialization
+bool wxApp::OnInitGui()
+{
+    // 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( wxApp::GetDisplay() );
+
+    m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() );
+
+#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;

 
 

-    GetMainColormap(dpy);
-    m_maxRequestSize = XMaxRequestSize((Display*) dpy);
+    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;
+            }
+        }
+    }
+#endif
+    

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -588,100 +1108,35 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
     return (WXColormap) c;
 }
 
     return (WXColormap) c;
 }
 

-static Window XGetParent(Window window)
+Window wxGetWindowParent(Window window)

 {
 {

+    wxASSERT_MSG( window, "invalid window" );
+
+    return (Window) 0;
+

     Window parent, root = 0;
     Window parent, root = 0;

+#if wxUSE_NANOX
+    int noChildren = 0;
+#else

     unsigned int noChildren = 0;
     unsigned int noChildren = 0;

-    if (XQueryTree(wxGetDisplay(), window, & root, & parent,
-        NULL, & noChildren))
+#endif
+    Window* children = NULL;
+
+    // #define XQueryTree(d,w,r,p,c,nc)     GrQueryTree(w,p,c,nc)
+    int res = 1;
+#if !wxUSE_NANOX
+    res =
+#endif
+        XQueryTree((Display*) wxGetDisplay(), window, & root, & parent,
+             & children, & noChildren);
+    if (children)
+        XFree(children);
+    if (res)

         return parent;
     else
         return (Window) 0;
 }
 
         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;
 void wxExit()
 {
     int retValue = 0;


@@ -714,56 +1169,45 @@ bool wxApp::Yield(bool onlyIfNeeded)
 
     s_inYield = TRUE;
 
 
     s_inYield = TRUE;
 

+    // 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);
+    }
+

     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 

-    s_inYield = FALSE;
-
-    return TRUE;
-}
-
-// TODO use XmGetPixmap (?) to get the really standard icons!
-
-// XPM hack: make the arrays const
-#define static static const
-
-#include "wx/generic/info.xpm"
-#include "wx/generic/error.xpm"
-#include "wx/generic/question.xpm"
-#include "wx/generic/warning.xpm"
-
-#undef static
+#if wxUSE_TIMER
+    wxTimer::NotifyTimers();
+#endif
+    ProcessIdle();

 
 

-wxIcon
-wxApp::GetStdIcon(int which) const
-{
-    switch(which)
+    if (newEventLoop)

     {
     {

-        case wxICON_INFORMATION:
-            return wxIcon(info_xpm);
-
-        case wxICON_QUESTION:
-            return wxIcon(question_xpm);
-
-        case wxICON_EXCLAMATION:
-            return wxIcon(warning_xpm);
+        wxEventLoop::SetActive(NULL);
+        delete newEventLoop;
+    }

 
 

-        default:
-            wxFAIL_MSG("requested non existent standard icon");
-            // still fall through
+    s_inYield = FALSE;

 
 

-        case wxICON_HAND:
-            return wxIcon(error_xpm);
-    }
+    return TRUE;

 }
 
 }
 

-// ----------------------------------------------------------------------------
-// accessors for C modules
-// ----------------------------------------------------------------------------
-
-#if 0
-extern "C" XtAppContext wxGetAppContext()
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)

 {
 {

-    return (XtAppContext)wxTheApp->GetAppContext();
+    // 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

 }
 }

-#endif
\ No newline at end of file
+