Better fix for selection view background colour on theme changes

Author: stefanceriu

SCXcodeMinimap/SCMiniMapView.m

@@ -138,7 +138,7 @@ - (void)updateTheme
     }
 
     [self.textView setBackgroundColor:[miniMapBackgroundColor shadowWithLevel:kDefaultShadowLevel]];
-    [self.selectionView setNeedsDisplay:YES];
+    [self.selectionView setSelectionColor:nil];
 }
 
 - (void)updateTextView

SCXcodeMinimap/SCSelectionView.h

@@ -10,6 +10,7 @@
 
 @interface SCSelectionView : NSView
 
+@property (nonatomic, retain) NSColor *selectionColor;
 @property (nonatomic, assign) BOOL shouldInverseColors;
 
 @end

SCXcodeMinimap/SCSelectionView.m

@@ -8,13 +8,8 @@
 
 #import "SCSelectionView.h"
 
-@interface SCSelectionView ()
-
-@property (nonatomic, retain) NSColor *selectionColor;
-
-@end
-
 @implementation SCSelectionView
+@synthesize selectionColor = _selectionColor;
 
 - (void)dealloc
 {
@@ -28,14 +23,6 @@ - (void)drawRect:(NSRect)dirtyRect
     NSRectFill(dirtyRect);
 }
 
-- (void)setNeedsDisplay:(BOOL)flag
-{
-    if(self.needsDisplay == flag) return;
-    
-    [self setSelectionColor:nil];
-    [super setNeedsDisplay:flag];
-}
-
 - (NSColor *)selectionColor
 {
     if(_selectionColor == nil) {
@@ -70,6 +57,14 @@ - (NSColor *)selectionColor
     return _selectionColor;
 }
 
+- (void)setSelectionColor:(NSColor *)selectionColor
+{
+    if([_selectionColor isEqual:selectionColor]) return;
+    
+    _selectionColor = selectionColor;
+    [self setNeedsDisplay:YES];
+}
+
 - (void)setShouldInverseColors:(BOOL)shouldInverseColors
 {
     if(_shouldInverseColors == shouldInverseColors) {