X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6de4336e3839d19f835a5e689c56659f9bdd15e9..85284ca4b226d9a1ab6bed26c5eaa480543649d5:/src/gtk/dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index c7b1ce56c6..234a38f278 100644
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -216,7 +216,7 @@ static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
     // The realloc failed.  Fall through to error.
     wxFAIL_MSG( wxT("No GC available") );
 
-    return (GdkGC*) NULL;
+    return NULL;
 }
 
 static void wxFreePoolGC( GdkGC *gc )
@@ -242,16 +242,16 @@ IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxGTKDCImpl)
 wxWindowDCImpl::wxWindowDCImpl( wxDC *owner ) :
    wxGTKDCImpl( owner )
 {
-    m_gdkwindow = (GdkWindow*) NULL;
-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
     m_isScreenDC = false;
-    m_context = (PangoContext *)NULL;
-    m_layout = (PangoLayout *)NULL;
-    m_fontdesc = (PangoFontDescription *)NULL;
+    m_context = NULL;
+    m_layout = NULL;
+    m_fontdesc = NULL;
 }
 
 wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
@@ -259,30 +259,30 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
 {
     wxASSERT_MSG( window, wxT("DC needs a window") );
 
-    m_gdkwindow = (GdkWindow*) NULL;
-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
     m_isScreenDC = false;
     m_font = window->GetFont();
 
     GtkWidget *widget = window->m_wxwindow;
 
     // Some controls don't have m_wxwindow - like wxStaticBox, but the user
-    // code should still be able to create wxClientDCs for them, so we will
-    // use the parent window here then.
+    // code should still be able to create wxClientDCs for them
     if ( !widget )
     {
-        window = window->GetParent();
-        if (window)
-            widget = window->m_wxwindow;
-    }
+        widget = window->m_widget;
+
+        wxCHECK_RET(widget, "DC needs a widget");
 
-    wxASSERT_MSG( widget, wxT("DC needs a widget") );
+        if (GTK_WIDGET_NO_WINDOW(widget))
+            SetDeviceLocalOrigin(widget->allocation.x, widget->allocation.y);
+    }
 
-    m_context = window->GtkGetPangoDefaultContext();
+    m_context = window->GTKGetPangoDefaultContext();
     m_layout = pango_layout_new( m_context );
     m_fontdesc = pango_font_description_copy( widget->style->font_desc );
 
@@ -297,7 +297,7 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
          return;
     }
 
-    m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
+    m_cmap = gtk_widget_get_colormap(widget);
 
     SetUpDC();
 
@@ -411,10 +411,10 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
     gdk_gc_set_function( m_penGC, GDK_COPY );
 
     /* clipping */
-    gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+    gdk_gc_set_clip_rectangle( m_penGC, NULL );
+    gdk_gc_set_clip_rectangle( m_brushGC, NULL );
+    gdk_gc_set_clip_rectangle( m_textGC, NULL );
+    gdk_gc_set_clip_rectangle( m_bgGC, NULL );
 }
 
 void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
@@ -1781,7 +1781,7 @@ wxCoord wxWindowDCImpl::GetCharHeight() const
     wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") );
 
     wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
-                pango_font_metrics_get_ascent (metrics));
+                              pango_font_metrics_get_ascent (metrics));
     pango_font_metrics_unref (metrics);
     return h;
 }
@@ -1813,7 +1813,7 @@ void wxWindowDCImpl::SetFont( const wxFont &font )
         {
             PangoContext *oldContext = m_context;
 
-            m_context = m_window->GtkGetPangoDefaultContext();
+            m_context = m_window->GTKGetPangoDefaultContext();
 
             // If we switch back/forth between different contexts
             // we also have to create a new layout. I think so,
@@ -1905,7 +1905,7 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
         case wxPENSTYLE_SOLID:
         default:
             lineStyle = GDK_LINE_SOLID;
-            req_dash = (wxGTKDash*)NULL;
+            req_dash = NULL;
             req_nb_dash = 0;
             break;
     }
@@ -2081,6 +2081,9 @@ void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
         case wxNO_OP:        mode = GDK_NOOP;          break;
         case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
         case wxNOR:          mode = GDK_NOR;           break;
+        default:
+            wxFAIL_MSG("unknown mode");
+            return;
     }
 
     m_logicalFunction = function;
@@ -2224,13 +2227,13 @@ void wxWindowDCImpl::DestroyClippingRegion()
 void wxWindowDCImpl::Destroy()
 {
     if (m_penGC) wxFreePoolGC( m_penGC );
-    m_penGC = (GdkGC*) NULL;
+    m_penGC = NULL;
     if (m_brushGC) wxFreePoolGC( m_brushGC );
-    m_brushGC = (GdkGC*) NULL;
+    m_brushGC = NULL;
     if (m_textGC) wxFreePoolGC( m_textGC );
-    m_textGC = (GdkGC*) NULL;
+    m_textGC = NULL;
     if (m_bgGC) wxFreePoolGC( m_bgGC );
-    m_bgGC = (GdkGC*) NULL;
+    m_bgGC = NULL;
 }
 
 void wxWindowDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )