return false;
}
+// add emission hook for "event" signal, to re-install idle handler when needed
static inline void wxAddEmissionHook()
{
- // add emission hook for "event" signal, to re-install idle handler when needed
- guint sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET);
- g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL);
+ GType widgetType = GTK_TYPE_WIDGET;
+ // if GtkWidget type is loaded
+ if (g_type_class_peek(widgetType) != NULL)
+ {
+ guint sig_id = g_signal_lookup("event", widgetType);
+ g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL);
+ }
}
static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
// thread so we must lock it here ourselves.
gdk_threads_enter();
- // Indicate that we are now in idle mode and event handlers
- // will have to reinstall the idle handler again.
- {
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- g_isIdle = true;
- wxTheApp->m_idleTag = 0;
- }
-
bool moreIdles;
// Send idle event to all who request them as long as
gdk_threads_leave();
if (!moreIdles)
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ // Indicate that we are now in idle mode and event handlers
+ // will have to reinstall the idle handler again.
+ g_isIdle = true;
+ wxTheApp->m_idleTag = 0;
+
wxAddEmissionHook();
+ }
// Return FALSE if no more idle events are to be sent
return moreIdles;
unsigned int i;
for ( i = 0; i < nfds; i++ )
{
- wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") );
+ wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
if ( ufds[i].events & G_IO_IN )
wxFD_SET(ufds[i].fd, &readfds);
void wxapp_install_idle_handler()
{
+ if (wxTheApp == NULL)
+ return;
+
#if wxUSE_THREADS
wxMutexLocker lock(gs_idleTagsMutex);
#endif
// chosen a specific visual, then derive the GdkVisual from that
if (m_glVisualInfo != NULL)
{
- // seems gtk_widget_set_default_visual no longer exists?
GdkVisual* vis = gtk_widget_get_default_visual();
GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
gtk_widget_set_default_colormap( colormap );
}
-
- // On some machines, the default visual is just 256 colours, so
- // we make sure we get the best. This can sometimes be wasteful.
-
else
- if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
{
- /* seems gtk_widget_set_default_visual no longer exists? */
- GdkVisual* vis = gtk_widget_get_default_visual();
-
- GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
- gtk_widget_set_default_colormap( colormap );
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
+ if (m_useBestVisual)
+ {
+ if (m_forceTrueColour)
+ {
+ GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR );
+ if (!visual)
+ {
+ wxLogError(wxT("Unable to initialize TrueColor visual."));
+ return false;
+ }
+ GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
+ else
+ {
+ if (gdk_visual_get_best() != gdk_visual_get_system())
+ {
+ GdkVisual* visual = gdk_visual_get_best();
+ GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
+ }
+ }
}
return true;