From eb60a4c3e7c724d8a5ec2b4ca04403fb8105a5e3 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Fri, 24 Apr 2015 19:29:57 -0300
Subject: [PATCH] Tabs: disable mouse wheel when we are dragging tabs

---
 src/app/ui/tabs.cpp | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/src/app/ui/tabs.cpp b/src/app/ui/tabs.cpp
index c0ba3559d..2effaf8e1 100644
--- a/src/app/ui/tabs.cpp
+++ b/src/app/ui/tabs.cpp
@@ -420,22 +420,24 @@ bool Tabs::onProcessMessage(Message* msg)
       }
       return true;
 
-    case kMouseWheelMessage: {
-      int dz =
-        (static_cast<MouseMessage*>(msg)->wheelDelta().x +
-         static_cast<MouseMessage*>(msg)->wheelDelta().y);
+    case kMouseWheelMessage:
+      if (!m_isDragging) {
+        int dz =
+          (static_cast<MouseMessage*>(msg)->wheelDelta().x +
+           static_cast<MouseMessage*>(msg)->wheelDelta().y);
 
-      auto it = std::find(m_list.begin(), m_list.end(), m_selected);
-      if (it != m_list.end()) {
-        int index = (it - m_list.begin());
-        int newIndex = index + dz;
-        newIndex = MID(0, newIndex, int(m_list.size())-1);
-        if (newIndex != index) {
-          selectTabInternal(m_list[newIndex]);
+        auto it = std::find(m_list.begin(), m_list.end(), m_selected);
+        if (it != m_list.end()) {
+          int index = (it - m_list.begin());
+          int newIndex = index + dz;
+          newIndex = MID(0, newIndex, int(m_list.size())-1);
+          if (newIndex != index) {
+            selectTabInternal(m_list[newIndex]);
+          }
         }
+        return true;
       }
-      return true;
-    }
+      break;
 
     case kKeyDownMessage:
     case kKeyUpMessage: {