From 5d815d744f2888b9203403083b60367c08aa266b Mon Sep 17 00:00:00 2001
From: Mark Liversedge <liversedge@gmail.com>
Date: Wed, 15 Feb 2017 12:07:06 +0000
Subject: [PATCH] Overview Performance Issues on Drag

.. drag animation for tile shrink is very slow on my MBP. Trying to
   get to the bottom of why. It may be a HW issue with my PC.
---
 src/Charts/OverviewWindow.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Charts/OverviewWindow.cpp b/src/Charts/OverviewWindow.cpp
index 101587ac1..12705d6db 100644
--- a/src/Charts/OverviewWindow.cpp
+++ b/src/Charts/OverviewWindow.cpp
@@ -540,7 +540,6 @@ Card::geometryChanged() {
         // disable animation when changing geometry
         chart->setAnimationOptions(QChart::NoAnimation);
         chart->setGeometry(20,20+(ROWHEIGHT*2), geom.width()-40, geom.height()-(40+(ROWHEIGHT*2)));
-        chart->update();
     }
 
     if (type == METRIC) {
@@ -930,8 +929,11 @@ OverviewWindow::setViewRect(QRectF rect)
 bool
 OverviewWindow::eventFilter(QObject *, QEvent *event)
 {
-    if (block) return false;
-
+    if (block || (event->type() != QEvent::KeyPress && event->type() != QEvent::GraphicsSceneWheel &&
+                  event->type() != QEvent::GraphicsSceneMousePress && event->type() != QEvent::GraphicsSceneMouseRelease &&
+                  event->type() != QEvent::GraphicsSceneMouseMove)) {
+        return false;
+    }
     block = true;
     bool returning = false;