From 6c0ed26c657cfb6101c60e4dfd764239ddea6f5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Fri, 4 Mar 2016 14:14:44 +0100
Subject: [PATCH] Add bool checkInputWindowEvent(QWheelEvent *e) to
 EffectsHandlerImpl

Allows to also pass through some QWheelEvents.
---
 effects.cpp | 11 +++++++++++
 effects.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/effects.cpp b/effects.cpp
index 1bf619a32a..7b968d7216 100644
--- a/effects.cpp
+++ b/effects.cpp
@@ -1285,6 +1285,17 @@ bool EffectsHandlerImpl::checkInputWindowEvent(QMouseEvent *e)
     return true;
 }
 
+bool EffectsHandlerImpl::checkInputWindowEvent(QWheelEvent *e)
+{
+    if (m_grabbedMouseEffects.isEmpty()) {
+        return false;
+    }
+    foreach (Effect *effect, m_grabbedMouseEffects) {
+        effect->windowInputMouseEvent(e);
+    }
+    return true;
+}
+
 void EffectsHandlerImpl::connectNotify(const QMetaMethod &signal)
 {
     if (signal == QMetaMethod::fromSignal(&EffectsHandler::cursorShapeChanged)) {
diff --git a/effects.h b/effects.h
index 7145448052..f7bd4ba1a0 100644
--- a/effects.h
+++ b/effects.h
@@ -167,6 +167,7 @@ public:
     bool checkInputWindowEvent(xcb_button_press_event_t *e);
     bool checkInputWindowEvent(xcb_motion_notify_event_t *e);
     bool checkInputWindowEvent(QMouseEvent *e);
+    bool checkInputWindowEvent(QWheelEvent *e);
     void checkInputWindowStacking();
 
     void reserveElectricBorder(ElectricBorder border, Effect *effect) override;