[Kst] extragear/graphics/kst/kst

[Andrew Walker]

SVN commit 489016 by arwalker:

no longer crash when left click on a line or arrow end point to move the end point and release without moving the mouse at all

 M  +16 -14    ksttoplevelview.cpp  


--- trunk/extragear/graphics/kst/kst/ksttoplevelview.cpp #489015:489016
@@ -1002,21 +1002,23 @@
   Q_UNUSED(shift)
       
   if (KstViewLinePtr line = kst_cast<KstViewLine>(_pressTarget)) {
-    QPoint toPoint, fromPoint;
-    if (_pressDirection & UP) {
-      // UP means we are on the start endpoint
-      toPoint = _prevBand.bottomRight();
-      fromPoint = _prevBand.topLeft();
-    } else if (_pressDirection & DOWN) {
-      // DOWN means we are on the end endpoint
-      fromPoint = _prevBand.topLeft();
-      toPoint = _prevBand.bottomRight();
-    } else {
-      abort();
+    if (_prevBand.left() != -1 && _prevBand.top() != -1) {
+      QPoint toPoint, fromPoint;
+      if (_pressDirection & UP) {
+        // UP means we are on the start endpoint
+        toPoint = _prevBand.bottomRight();
+        fromPoint = _prevBand.topLeft();
+      } else if (_pressDirection & DOWN) {
+        // DOWN means we are on the end endpoint
+        fromPoint = _prevBand.topLeft();
+        toPoint = _prevBand.bottomRight();
+      } else {
+        abort();
+      }
+      line->setFrom(fromPoint);
+      line->setTo(toPoint);
+      _onGrid = false;
     }
-    line->setFrom(fromPoint);
-    line->setTo(toPoint);
-    _onGrid = false;
   }
 }