From 49b32975e9963de01b2ecc102b95488e4fdbf975 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Fri, 22 May 2015 12:17:09 -0300
Subject: Optimized InteractionHandler to minimze allocations; view updates now
 happen whenever a point is moved.

---
 scatterplot.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'scatterplot.cpp')

diff --git a/scatterplot.cpp b/scatterplot.cpp
index b0c8034..284f17b 100644
--- a/scatterplot.cpp
+++ b/scatterplot.cpp
@@ -214,9 +214,14 @@ void Scatterplot::mouseMoveEvent(QMouseEvent *event)
     case INTERACTION_SELECTED:
         return;
     case INTERACTION_SELECTING:
+        m_dragCurrentPos = event->localPos();
+        update();
+        break;
     case INTERACTION_MOVING:
         m_dragCurrentPos = event->localPos();
+        updateData();
         update();
+        m_dragOriginPos = m_dragCurrentPos;
         break;
     }
 }
@@ -235,7 +240,6 @@ void Scatterplot::mouseReleaseEvent(QMouseEvent *event)
 
     case INTERACTION_MOVING:
         m_currentState = INTERACTION_SELECTED;
-        updateData();
         update();
         break;
     case INTERACTION_NONE:
-- 
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