Add fillColor/setFillColor to NSBox

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/branches/gnustep_testplant_branch@35578 72102866-910b-0410-8b05-ffd578937521

Headers/AppKit/NSBox.h

@@ -99,6 +99,10 @@ typedef enum _NSBoxType
 - (NSBoxType)boxType;
 - (void)setBoxType:(NSBoxType)aType;
 #endif
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
+- (NSColor*)fillColor;
+- (void)setFillColor:(NSColor*)newFillColor;
+#endif
 
 //
 // Setting and Placing the Content View 

Source/NSBox.m

@@ -149,6 +149,16 @@
     }
 }
 
+- (NSColor*) fillColor
+{
+  return [_window backgroundColor];
+}
+
+- (void) setFillColor:(NSColor*)fillColor
+{
+  [_window setBackgroundColor: fillColor];
+}
+
 /**<p>Sets the title cell to <var>aString</var>, resizes the content
    view frame if needed and marks self for display.</p>
    <p>Warning: This method does not implement the Cocoa behaviour</p>