From 2f6a98730f6af18a71b31c72468042f3b5b81915 Mon Sep 17 00:00:00 2001
From: Alex Merry <alex.merry@cs.ox.ac.uk>
Date: Wed, 18 Apr 2012 13:45:43 +0100
Subject: Add edge colours

---
 tikzit/src/gtk/EdgeStyleSelector.m | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'tikzit/src/gtk/EdgeStyleSelector.m')

diff --git a/tikzit/src/gtk/EdgeStyleSelector.m b/tikzit/src/gtk/EdgeStyleSelector.m
index b6139b8..544ed98 100644
--- a/tikzit/src/gtk/EdgeStyleSelector.m
+++ b/tikzit/src/gtk/EdgeStyleSelector.m
@@ -446,6 +446,18 @@ enum {
             forKeyPath:@"decorationStyle"
                options:0
                context:NULL];
+    [style addObserver:self
+            forKeyPath:@"colorRGB.red"
+               options:0
+               context:NULL];
+    [style addObserver:self
+            forKeyPath:@"colorRGB.green"
+               options:0
+               context:NULL];
+    [style addObserver:self
+            forKeyPath:@"colorRGB.blue"
+               options:0
+               context:NULL];
 }
 
 - (void) stopObservingStyle:(EdgeStyle*)style {
@@ -454,6 +466,9 @@ enum {
     [style removeObserver:self forKeyPath:@"headStyle"];
     [style removeObserver:self forKeyPath:@"tailStyle"];
     [style removeObserver:self forKeyPath:@"decorationStyle"];
+    [style removeObserver:self forKeyPath:@"colorRGB.red"];
+    [style removeObserver:self forKeyPath:@"colorRGB.green"];
+    [style removeObserver:self forKeyPath:@"colorRGB.blue"];
 }
 
 - (void) reloadStyles {
-- 
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