X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9aebcb5e447082b858c4a70f7ff33a27fdba9ada..d18eb918f447ebb3b9e28154839392fe6b32995a:/src/osx/carbon/renderer.cpp?ds=inline

diff --git a/src/osx/carbon/renderer.cpp b/src/osx/carbon/renderer.cpp
index 9fc1a415bf..7e5c766acc 100644
--- a/src/osx/carbon/renderer.cpp
+++ b/src/osx/carbon/renderer.cpp
@@ -39,12 +39,17 @@
 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 
 
-// check if we're currently in a paint event
-inline bool wxInPaintEvent(wxWindow* win, wxDC& dc)
+// check if we're having a CGContext we can draw into
+inline bool wxHasCGContext(wxWindow* WXUNUSED(win), wxDC& dc)
 {
-    return win->MacGetCGContextRef() != NULL ||
-           // wxMemoryDC's also have a valid CGContext.
-           dc.IsKindOf( CLASSINFO(wxMemoryDC) );
+    wxGCDCImpl* gcdc = wxDynamicCast( dc.GetImpl() , wxGCDCImpl);
+    
+    if ( gcdc )
+    {
+        if ( gcdc->GetGraphicsContext()->GetNativeContext() )
+            return true;
+    }
+    return false;
 }
 
 
@@ -158,7 +163,7 @@ int wxRendererMac::DrawHeaderButton( wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -247,7 +252,7 @@ void wxRendererMac::DrawTreeItemButton( wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -293,7 +298,7 @@ void wxRendererMac::DrawSplitterSash( wxWindow *win,
     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
     // strange redraw errors occur if we don't do this
 
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
                      (int) splitterRect.size.height );
@@ -363,7 +368,7 @@ wxRendererMac::DrawMacThemeButton(wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -571,7 +576,7 @@ void wxRendererMac::DrawTextCtrl(wxWindow* win, wxDC& dc,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect hiRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }