X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/868741e9d30e1b62e8ee27614543e8ae820fd15d..393cbb8ff740a9a708a7241e45992ed0bc2797ee:/src/x11/app.cpp

diff --git a/src/x11/app.cpp b/src/x11/app.cpp
index 165942382a..5c2371a2bb 100644
--- a/src/x11/app.cpp
+++ b/src/x11/app.cpp
@@ -26,10 +26,14 @@
 #include "wx/intl.h"
 #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))
+
 #if wxUSE_THREADS
     #include "wx/thread.h"
 #endif
@@ -49,13 +53,12 @@
 extern wxList wxPendingDelete;
 
 wxHashTable *wxWidgetHashTable = NULL;
+wxHashTable *wxClientWidgetHashTable = NULL;
 
 wxApp *wxTheApp = 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;
 
@@ -102,6 +105,10 @@ 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
@@ -119,6 +126,7 @@ bool wxApp::Initialize()
 #endif
 
     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
+    wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
@@ -128,12 +136,10 @@ bool wxApp::Initialize()
 
 void wxApp::CleanUp()
 {
-    if (g_newArgv)
-        delete[] g_newArgv;
-    g_newArgv = NULL;
-
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;
+    delete wxClientWidgetHashTable;
+    wxClientWidgetHashTable = NULL;
 
     wxModule::CleanUpModules();
 
@@ -145,7 +151,7 @@ void wxApp::CleanUp()
     wxTheColourDatabase = NULL;
 
     wxDeleteStockObjects();
-    
+
     wxDeleteStockLists();
 
     delete wxTheApp;
@@ -187,20 +193,13 @@ int wxEntryStart( int& argc, char *argv[] )
 #endif
 #endif // __WXDEBUG__
 
-    wxString displayName;
+    char *displayName = NULL;
     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 (strcmp( argv[i], "-display") == 0)
         {
             if (i < (argc - 1))
             {
@@ -209,16 +208,15 @@ int wxEntryStart( int& argc, char *argv[] )
                 continue;
             }
         }
-        else if (arg == wxT("-geometry"))
+        else if (strcmp( argv[i], "-geometry") == 0)
         {
             if (i < (argc - 1))
             {
                 i ++;
-                wxString windowGeometry = argv[i];
                 int w, h;
-                if (wxSscanf(windowGeometry.c_str(), _T("%dx%d"), &w, &h) != 2)
+                if (sscanf(argv[i], "%dx%d", &w, &h) != 2)
                 {
-                    wxLogError(_("Invalid geometry specification '%s'"), windowGeometry.c_str());
+                    wxLogError( _("Invalid geometry specification '%s'"), wxString::FromAscii(argv[i]).c_str() );
                 }
                 else
                 {
@@ -227,29 +225,22 @@ int wxEntryStart( int& argc, char *argv[] )
                 continue;
             }
         }
-        else if (arg == wxT("-sync"))
+        else if (strcmp( argv[i], "-sync") == 0)
         {
             syncDisplay = TRUE;
             continue;
         }
-        else if (arg == wxT("-iconic"))
+        else if (strcmp( argv[i], "-iconic") == 0)
         {
             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());
-
+    // X11 display stuff    
+    Display* xdisplay = XOpenDisplay( displayName );
     if (!xdisplay)
     {
         wxLogError( _("wxWindows could not open display. Exiting.") );
@@ -257,16 +248,20 @@ int wxEntryStart( int& argc, char *argv[] )
     }
 
     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;
 
@@ -305,32 +300,39 @@ int wxEntry( int argc, char *argv[] )
         {
             printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
             return 0;
-        };
+        }
 
         wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
-    };
+    }
 
     if (!wxTheApp)
     {
         printf( "wxWindows error: wxTheApp == NULL\n" );
         return 0;
-    };
-
-    wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
-    wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
+    }
 
-    // The command line may have been changed
-    // by stripping out -display etc.
-    if (g_newArgc > 0)
+    // Command line argument stuff
+    wxTheApp->argc = argc;
+#if wxUSE_UNICODE
+    wxTheApp->argv = new wxChar*[argc+1];
+    int mb_argc = 0;
+    while (mb_argc < argc)
     {
-        wxTheApp->argc = g_newArgc;
-        wxTheApp->argv = g_newArgv;
+        wxString tmp = wxString::FromAscii( argv[mb_argc] );
+        wxTheApp->argv[mb_argc] = wxStrdup( tmp.c_str() );
+        mb_argc++;
     }
-    else
+    wxTheApp->argv[mb_argc] = (wxChar *)NULL;
+#else
+    wxTheApp->argv = argv;
+#endif
+
+    if (wxTheApp->argc > 0)
     {
-        wxTheApp->argc = argc;
-        wxTheApp->argv = argv;
+        wxFileName fname( wxTheApp->argv[0] );
+        wxTheApp->SetAppName( fname.GetName() );
     }
+
     wxTheApp->m_showIconic = g_showIconic;
     wxTheApp->m_initialSize = g_initialSize;
 
@@ -378,20 +380,32 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 wxApp::wxApp()
 {
-    m_topWindow = NULL;
-    wxTheApp = this;
-    m_className = "";
-    m_wantDebugOutput = TRUE ;
-    m_appName = "";
+    // TODO: parse the command line
     argc = 0;
     argv = NULL;
-    m_exitOnFrameDelete = TRUE;
+
     m_mainColormap = (WXColormap) NULL;
     m_topLevelWidget = (WXWindow) NULL;
     m_maxRequestSize = 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()
@@ -428,22 +442,22 @@ struct wxExposeInfo
 static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
 {
     wxExposeInfo *info = (wxExposeInfo*) arg;
-    
+
     if (info->found_non_matching)
        return FALSE;
-    
+
     if (xevent->xany.type != Expose)
     {
         info->found_non_matching = TRUE;
         return FALSE;
     }
-    
+
     if (xevent->xexpose.window != info->window)
     {
         info->found_non_matching = TRUE;
         return FALSE;
     }
-    
+
     return TRUE;
 }
 #endif
@@ -459,7 +473,9 @@ bool wxApp::ProcessXEvent(WXEvent* _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
@@ -469,62 +485,94 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
 
     win = wxGetWindowFromTable(window);
     if (!win)
-        return FALSE;
+    {
+#if wxUSE_TWO_WINDOWS
+        win = wxGetClientWindowFromTable(window);
+        if (!win)
+#endif
+            return FALSE;
+    }
 
 #ifdef __WXDEBUG__
     wxString windowClass = win->GetClassInfo()->GetClassName();
 #endif
-    
+
     switch (event->type)
     {
         case Expose:
         {
-            //wxLogDebug("Expose: %s", windowClass.c_str());
-            win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
-                                          XExposeEventGetWidth(event), XExposeEventGetHeight(event));
-                                              
-            win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
+#if wxUSE_TWO_WINDOWS && !wxUSE_NANOX
+            if (event->xexpose.window != (Window)win->GetClientAreaWindow())
+            {
+                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
+            {
+                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 );
-            }
+                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
 
-            // Only erase background, paint in idle time.
-            win->SendEraseEvents();
+                // 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->GetClientAreaWindow())
+                    win->NeedUpdateNcAreaInIdle();
+
+                // Only erase background, paint in idle time.
+                win->SendEraseEvents();
+                // win->Update();
+            }
 
             return TRUE;
         }
-        
+
 #if !wxUSE_NANOX
         case GraphicsExpose:
         {
-            // wxLogDebug( "GraphicsExpose from %s", win->GetName().c_str(),
-            //                              event->xgraphicsexpose.x, event->xgraphicsexpose.y,
-            //                              event->xgraphicsexpose.width, event->xgraphicsexpose.height);
-                    
+            printf( "GraphicExpose event\n" );
+
+            wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str());
+
             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();
+                // win->Update();
             }
 
             return TRUE;
@@ -538,17 +586,20 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
 
             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);
+            // Do the translation again, retaining the ASCII
+            // code.
+            wxTranslateKeyEvent(keyEvent, win, window, event, TRUE);
             if (win->GetEventHandler()->ProcessEvent( keyEvent ))
                 return TRUE;
-            
+
             if ( (keyEvent.m_keyCode == WXK_TAB) &&
                  win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
             {
@@ -571,7 +622,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
 
             wxKeyEvent keyEvent(wxEVT_KEY_UP);
             wxTranslateKeyEvent(keyEvent, win, window, event);
-        
+
             return win->GetEventHandler()->ProcessEvent( keyEvent );
         }
         case ConfigureNotify:
@@ -580,7 +631,13 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
             if (event->update.utype == GR_UPDATE_SIZE)
 #endif
             {
-                //wxLogDebug("ConfigureNotify: %s", windowClass.c_str());
+                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;
@@ -590,7 +647,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 {
                     wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
                     sizeEvent.SetEventObject( win );
-                
+
                     return win->GetEventHandler()->ProcessEvent( sizeEvent );
                 }
             }
@@ -640,14 +697,14 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         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);
@@ -676,7 +733,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
         {
             if (!win->IsEnabled())
                 return FALSE;
-                
+
             // Here we check if the top level window is
             // disabled, which is one aspect of modality.
             wxWindow *tlw = win;
@@ -684,7 +741,7 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                 tlw = tlw->GetParent();
             if (tlw && !tlw->IsEnabled())
                 return FALSE;
-                
+
             if (event->type == ButtonPress)
             {
                 if ((win != wxWindow::FindFocus()) && win->AcceptsFocus())
@@ -693,11 +750,20 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                     // and not here. TODO.
                     g_prevFocus = wxWindow::FindFocus();
                     g_nextFocus = win;
-                    
+
+                    wxLogTrace( _T("focus"), _T("About to call SetFocus on %s of type %s due to button press"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
+
+                    // Record the fact that this window is
+                    // getting the focus, because we'll need to
+                    // check if its parent is getting a bogus
+                    // focus and duly ignore it.
+                    // TODO: may need to have this code in SetFocus, too.
+                    extern wxWindow* g_GettingFocus;
+                    g_GettingFocus = win;
                     win->SetFocus();
                 }
             }
-            
+
 #if !wxUSE_NANOX
             if (event->type == LeaveNotify || event->type == EnterNotify)
             {
@@ -717,14 +783,26 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                     (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);
+                    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)
+                    {
+                        // 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 FALSE;
                 break;
@@ -736,8 +814,8 @@ bool wxApp::ProcessXEvent(WXEvent* _event)
                     (event->xfocus.mode == NotifyNormal))
 #endif
                 {
-                    // wxLogDebug( "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 );
@@ -860,8 +938,6 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
     win->GetEventHandler()->ProcessEvent(event);
 
-    win->OnInternalIdle();
-
     if (event.MoreRequested())
         needMore = TRUE;
 
@@ -874,7 +950,9 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
         node = node->Next();
     }
-    
+
+    win->OnInternalIdle();
+
     return needMore;
 }
 
@@ -896,6 +974,24 @@ void wxApp::DeletePendingObjects()
     }
 }
 
+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()
 {
@@ -903,17 +999,149 @@ bool wxApp::OnInitGui()
     // now we don't want to try popping up a dialog
     // for error messages.
     delete wxLog::SetActiveTarget(new wxLogStderr);
-    
+
     if (!wxAppBase::OnInitGui())
-    return FALSE;
-    
+        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;
+
+    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;
 }
 
+#if wxUSE_UNICODE
+
+#include <pango/pango.h>
+#include <pango/pangox.h>
+#include <pango/pangoxft.h>
+
+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)
+    {
+        wxString val = wxGetenv( L"GDK_USE_XFT" );
+        use_xft = (val == L"1");
+    }
+  
+    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;
+}
+#endif
+
 WXColormap wxApp::GetMainColormap(WXDisplay* display)
 {
     if (!display) /* Must be called first with non-NULL display */
@@ -933,7 +1161,7 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
 Window wxGetWindowParent(Window window)
 {
     wxASSERT_MSG( window, "invalid window" );
-    
+
     return (Window) 0;
 
     Window parent, root = 0;
@@ -977,44 +1205,68 @@ void wxExit()
 
 bool wxApp::Yield(bool onlyIfNeeded)
 {
-    bool s_inYield = FALSE;
-
-    if ( s_inYield )
+    // Sometimes only 2 yields seem
+    // to do the trick, e.g. in the
+    // progress dialog
+    int i;
+    for (i = 0; i < 2; i++)
     {
-        if ( !onlyIfNeeded )
+        bool s_inYield = FALSE;
+
+        if ( s_inYield )
         {
-            wxFAIL_MSG( wxT("wxYield called recursively" ) );
+            if ( !onlyIfNeeded )
+            {
+                wxFAIL_MSG( wxT("wxYield called recursively" ) );
+            }
+
+            return FALSE;
         }
 
-        return FALSE;
-    }
+        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())
+        // Call dispatch at least once so that sockets
+        // can be tested
         wxTheApp->Dispatch();
+        
+        while (wxTheApp && wxTheApp->Pending())
+            wxTheApp->Dispatch();
 
 #if wxUSE_TIMER
-    wxTimer::NotifyTimers();
+        wxTimer::NotifyTimers();
 #endif
-    ProcessIdle();
+        ProcessIdle();
+
+        if (newEventLoop)
+        {
+            wxEventLoop::SetActive(NULL);
+            delete newEventLoop;
+        }
 
-    s_inYield = FALSE;
+        s_inYield = FALSE;
+    }
 
     return TRUE;
 }
 
-wxIcon wxApp::GetStdIcon(int which) const
-{
-    return wxTheme::Get()->GetRenderer()->GetStdIcon(which);
-}
+#ifdef __WXDEBUG__
 
-void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
 {
     // While the GUI isn't working that well, just print out the
     // message.
-#if 0    
-    wxAppBase::OnAssert(file, line, msg);
+#if 1
+    wxAppBase::OnAssert(file, line, cond, msg);
 #else
     wxString msg2;
     msg2.Printf("At file %s:%d: %s", file, line, msg);
@@ -1022,3 +1274,5 @@ void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)
 #endif
 }
 
+#endif // __WXDEBUG__
+