more consistent z-ordering

1 files changed, 16 insertions, 0 deletions

diff --git a/src/gui/tikzscene.cpp b/src/gui/tikzscene.cpp
index 947620f..39f8b76 100644
--- a/src/gui/tikzscene.cpp
+++ b/src/gui/tikzscene.cpp
@@ -103,6 +103,8 @@ void TikzScene::graphReplaced()
         _nodeItems.insert(n, ni);
         addItem(ni);
     }
+
+    refreshZIndices();
 }
 
 void TikzScene::extendSelectionUp()
@@ -177,6 +179,20 @@ void TikzScene::extendSelectionRight()
     }
 }
 
+void TikzScene::refreshZIndices()
+{
+    qreal z = 0.0;
+    foreach (Edge *e, graph()->edges()) {
+        edgeItems()[e]->setZValue(z);
+        z += 1.0;
+    }
+
+    foreach (Node *n, graph()->nodes()) {
+        nodeItems()[n]->setZValue(z);
+        z += 1.0;
+    }
+}
+
 void TikzScene::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
     if (!_enabled) return;