Unset default "center" anchor when applying a style

Edges almost always want to be anchored to the "center" of an unstyled
(style=none) node, as otherwise edges won't join up.  However, this
anchor should be discarded if a style is then set on the node, otherwise
arrowheads tend to disappear.

1 files changed, 2 insertions, 6 deletions

diff --git a/tikzit/src/common/Graph.m b/tikzit/src/common/Graph.m
index 2a01bae..33a81f6 100644
--- a/tikzit/src/common/Graph.m
+++ b/tikzit/src/common/Graph.m
@@ -736,17 +736,13 @@
         NSString *srcAnchor;
         NSString *tgtAnchor;
         
-        if ([[e source] style] == nil) {
-            srcAnchor = @".center";
-        } else if ([[e sourceAnchor] isEqual:@""]) {
+        if ([[e sourceAnchor] isEqual:@""]) {
             srcAnchor = @"";
         } else {
             srcAnchor = [NSString stringWithFormat:@".%@", [e sourceAnchor]];
         }
         
-        if ([[e target] style] == nil) {
-            tgtAnchor = @".center";
-        } else if ([[e targetAnchor] isEqual:@""]) {
+        if ([[e targetAnchor] isEqual:@""]) {
             tgtAnchor = @"";
         } else {
             tgtAnchor = [NSString stringWithFormat:@".%@", [e targetAnchor]];