1 files changed, 93 insertions, 0 deletions
diff --git a/src/osx/NodeSelectionLayer.m b/src/osx/NodeSelectionLayer.m
new file mode 100644
index 0000000..5efcbf7
--- /dev/null
+++ b/src/osx/NodeSelectionLayer.m
@@ -0,0 +1,93 @@
+//
+//  NodeSelectionLayer.m
+//  TikZiT
+//  
+//  Copyright 2010 Aleks Kissinger. All rights reserved.
+//  
+//  
+//  This file is part of TikZiT.
+//  
+//  TikZiT is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//  
+//  TikZiT is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//  
+//  You should have received a copy of the GNU General Public License
+//  along with TikZiT.  If not, see <http://www.gnu.org/licenses/>.
+//  
+
+#import "NodeSelectionLayer.h"
+#import "NodeLayer.h"
+#import "CircleShape.h"
+
+@implementation NodeSelectionLayer
+
+@synthesize nodeLayer;
+
+- (id)init {
+	[super init];
+	selected = NO;
+    drawLock = [[NSLock alloc] init];
+    nodeLayer = nil;
+	[self setOpacity:0.0f];
+	return self;
+}
+
+
+- (void)select {
+	selected = YES;
+	[self setOpacity:0.5f];
+}
+
+- (void)deselect {
+	selected = NO;
+	[self setOpacity:0.0f];
+}
+
+- (void)highlight {
+	if (!selected) {
+		[self setOpacity:0.25f];
+	}
+}
+
+- (void)unhighlight {
+	if (!selected) {
+		[self setOpacity:0.0f];
+	}
+}
+
+//- (CGMutablePathRef)path {
+//    return path;
+//}
+//
+//- (void)setPath:(CGMutablePathRef)p {
+//    path = CGPathCreateMutableCopy(p);
+//    CFMakeCollectable(path);
+//}
+
+- (void)drawInContext:(CGContextRef)context {
+    [drawLock lock];
+	CGContextSaveGState(context);
+
+	//CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+	CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+	CGContextSetRGBFillColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+	CGContextSetLineWidth(context, 6.0f);
+	
+    if (nodeLayer != nil) {
+        CGContextAddPath(context, [nodeLayer path]);
+    } else {
+        NSLog(@"WARNING: attempting to draw selection with path = nil.");
+    }
+	CGContextDrawPath(context, kCGPathFillStroke);
+	
+	CGContextRestoreGState(context);
+    [drawLock unlock];
+}
+
+@end