SVN commit 1224501 by khudyakov:

ZoomRect was invalidated in both branches

Just set modMouseButton to false

 M  +9 -14     skymapevents.cpp  


--- trunk/KDE/kdeedu/kstars/kstars/skymapevents.cpp #1224500:1224501
@@ -525,27 +525,21 @@
 
 void SkyMap::mouseReleaseEvent( QMouseEvent * ) {
     if ( ZoomRect.isValid() ) {
-        //Zoom in on center of Zoom Circle, by a factor equal to the ratio
-        //of the sky pixmap's width to the Zoom Circle's diameter
-        float factor = float(width()) / float(ZoomRect.width());
-
         stopTracking();
-
         SkyPoint newcenter = projector()->fromScreen( ZoomRect.center(), data->lst(), data->geo()->lat() );
-
         setFocus( &newcenter );
         setDestination( &newcenter );
-        setDefaultMouseCursor();
 
+        //Zoom in on center of Zoom Circle, by a factor equal to the ratio
+        //of the sky pixmap's width to the Zoom Circle's diameter
+        float factor = float(width()) / float(ZoomRect.width());
         setZoomFactor( Options::zoomFactor() * factor );
-
-        ZoomRect = QRect(); //invalidate ZoomRect
-    } else {
-        setDefaultMouseCursor();
-        ZoomRect = QRect(); //just in case user Ctrl+clicked + released w/o dragging...
     }
+    setDefaultMouseCursor();
+    ZoomRect = QRect(); //invalidate ZoomRect
 
-    if (mouseMoveCursor) setDefaultMouseCursor();	// set default cursor
+    if( mouseMoveCursor )
+        setDefaultMouseCursor();	// set default cursor
     if (mouseButtonDown) { //false if double-clicked, because it's unset there.
         mouseButtonDown = false;
         if ( slewing ) {
@@ -558,7 +552,8 @@
         }
         forceUpdate();	// is needed because after moving the sky not all stars are shown
     }
-    if ( midMouseButtonDown ) midMouseButtonDown = false;  // if middle button was pressed unset here
+    // if middle button was pressed unset here
+    midMouseButtonDown = false;
 
     scrollCount = 0;
 }