From b6f9bd988bf681b70a0b2c6890b7859930308694 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Wed, 13 Nov 2013 14:40:57 +0100
Subject: [PATCH] [kwin] Do not filter out button release events for moving
 clients

The QWidget of the window decoration is otherwise still thinking that
the button is pressed and waits for a release. Thus the next click on
the decoration doesn't trigger the move mode.
---
 events.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/events.cpp b/events.cpp
index cb003ffb3c..5056c9af80 100644
--- a/events.cpp
+++ b/events.cpp
@@ -260,7 +260,8 @@ bool Workspace::workspaceEvent(xcb_generic_event_t *e)
     if (movingClient) {
         if (eventType == XCB_BUTTON_PRESS || eventType == XCB_BUTTON_RELEASE) {
             if (movingClient->moveResizeGrabWindow() == reinterpret_cast<xcb_button_press_event_t*>(e)->event && movingClient->windowEvent(e)) {
-                return true;
+                // we need to pass the button release event to the decoration, otherwise Qt still thinks the button is pressed.
+                return eventType == XCB_BUTTON_PRESS;
             }
         } else if (eventType == XCB_MOTION_NOTIFY) {
             if (movingClient->moveResizeGrabWindow() == reinterpret_cast<xcb_motion_notify_event_t*>(e)->event && movingClient->windowEvent(e)) {