X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/176d98241020d28c8b7c9220389139e8dbf6a8ea..dc4689ef73c1046e49978fcd0a929f3dd975fbb9:/src/gtk/app.cpp

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 9be1cb13bf..e68e9654d6 100644
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -135,7 +135,7 @@ bool wxApp::Yield(bool onlyIfNeeded)
 
     // We need to remove idle callbacks or the loop will
     // never finish.
-    RemoveIdleSource();
+    SuspendIdleCallback();
 
 #if wxUSE_LOG
     // disable log flushing from here because a call to wxYield() shouldn't
@@ -208,44 +208,45 @@ static inline void wxAddEmissionHook()
 
 static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 {
+    // this does not look possible, but just in case...
     if (!wxTheApp)
         return false;
 
+    bool moreIdles = false;
+
 #ifdef __WXDEBUG__
     // don't generate the idle events while the assert modal dialog is shown,
-    // this completely confuses the apps which don't expect to be reentered
-    // from some safely-looking functions
-    if ( wxTheApp->IsInAssert() )
-        return false;
+    // this matches the behavior of wxMSW
+    if (!wxTheApp->IsInAssert())
 #endif // __WXDEBUG__
+    {
+        // When getting called from GDK's time-out handler
+        // we are no longer within GDK's grab on the GUI
+        // thread so we must lock it here ourselves.
+        gdk_threads_enter();
+
+        // Send idle event to all who request them as long as
+        // no events have popped up in the event queue.
+        do {
+            moreIdles = wxTheApp->ProcessIdle();
+        } while (moreIdles && gtk_events_pending() == 0);
+
+        // Release lock again
+        gdk_threads_leave();
+    }
 
-    // When getting called from GDK's time-out handler
-    // we are no longer within GDK's grab on the GUI
-    // 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 (!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;
-    }
-
-    bool moreIdles;
 
-    // Send idle event to all who request them as long as
-    // no events have popped up in the event queue.
-    while ( (moreIdles = wxTheApp->ProcessIdle()) && gtk_events_pending() == 0)
-        ;
-
-    // Release lock again
-    gdk_threads_leave();
-
-    if (!moreIdles)
         wxAddEmissionHook();
+    }
 
     // Return FALSE if no more idle events are to be sent
     return moreIdles;
@@ -281,7 +282,7 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
     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);
@@ -344,6 +345,9 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
 
 void wxapp_install_idle_handler()
 {
+    if (wxTheApp == NULL)
+        return;
+
 #if wxUSE_THREADS
     wxMutexLocker lock(gs_idleTagsMutex);
 #endif
@@ -428,24 +432,38 @@ bool wxApp::OnInitGui()
     // 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;
@@ -491,7 +509,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     //     of the filenames for GTK+ programs, so use it if it is set
     wxString encName(wxGetenv(_T("G_FILENAME_ENCODING")));
     encName = encName.BeforeFirst(_T(','));
-    if (encName == _T("@locale"))
+    if (encName.CmpNoCase(_T("@locale")) == 0)
         encName.clear();
     encName.MakeUpper();
 #if wxUSE_INTL
@@ -599,6 +617,8 @@ void wxApp::OnAssertFailure(const wxChar *file,
                             const wxChar* cond,
                             const wxChar *msg)
 {
+
+    // block wx idle events while assert dialog is showing
     m_isInAssert = true;
 
     wxAppBase::OnAssertFailure(file, line, func, cond, msg);
@@ -608,7 +628,7 @@ void wxApp::OnAssertFailure(const wxChar *file,
 
 #endif // __WXDEBUG__
 
-void wxApp::RemoveIdleSource()
+void wxApp::SuspendIdleCallback()
 {
 #if wxUSE_THREADS
     wxMutexLocker lock(gs_idleTagsMutex);