fixed (rare but fatal) bug in wxWindowDisabler

[wxWidgets.git] / src / gtk / utilsgtk.cpp

diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index 963e7b599163aafe22428a69e93028fd2788ddef..513c3674e6dd3e796f895009372a0a38f318c878 100644 (file)
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -40,9 +40,15 @@
     #undef explicit
 #endif // HAVE_X11_XKBLIB_H
 
-// ----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxRootWindow;
+
+//----------------------------------------------------------------------------
 // misc.
-// ----------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 
 void wxBell()
 {
@@ -92,7 +98,7 @@ bool wxColourDisplay()
 
 int wxDisplayDepth()
 {
-    return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth;
+    return gdk_window_get_visual( wxRootWindow->window )->depth;
 }
 
 int wxGetOsVersion(int *majorVsn, int *minorVsn)
@@ -110,12 +116,14 @@ int wxGetOsVersion(int *majorVsn, int *minorVsn)
 static void GTK_EndProcessDetector(gpointer data, gint source,
                                    GdkInputCondition WXUNUSED(condition) )
 {
-    wxEndProcessData *proc_data = (wxEndProcessData *)data;
-
-    wxHandleProcessTermination(proc_data);
-
-    close(source);
-    gdk_input_remove(proc_data->tag);
+   wxEndProcessData *proc_data = (wxEndProcessData *)data;
+   close(source);
+   gdk_input_remove(proc_data->tag);
+
+   // This has to come after gdk_input_remove() or we will
+   // occasionally receive multiple callbacks with corrupt data
+   // pointers. (KB) 
+   wxHandleProcessTermination(proc_data);
 }
 
 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)