evdevmouse: send correct event position for wheel events

The current position for mouse events is synchronized in the mousemanager,
thus the wheel event needs to pick the event position from there.

Change-Id: I1e73a0154b596885c7092f0a74e6dd448deb428c
Reviewed-by: Laszlo Agocs <laszlo.p.agocs@nokia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp b/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp
index f1a86cb15a..d8e9586736 100644
--- a/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp
+++ b/src/platformsupport/input/evdevmouse/qevdevmousemanager.cpp
@@ -132,6 +132,16 @@ void QEvdevMouseManager::handleMouseEvent(int x, int y, Qt::MouseButtons buttons
 #endif
 }
 
+void QEvdevMouseManager::handleWheelEvent(int delta, Qt::Orientation orientation)
+{
+    QPoint pos(m_x + m_xoffset, m_y + m_yoffset);
+    QWindowSystemInterface::handleWheelEvent(0, pos, pos, delta, orientation);
+
+#ifdef QT_QPA_MOUSEMANAGER_DEBUG
+    qDebug("mouse wheel event %dx%d %d %d", pos.x(), pos.y(), delta, int(orientation));
+#endif
+}
+
 void QEvdevMouseManager::addMouse(const QString &deviceNode)
 {
 #ifdef QT_QPA_MOUSEMANAGER_DEBUG
@@ -142,6 +152,7 @@ void QEvdevMouseManager::addMouse(const QString &deviceNode)
     handler = QEvdevMouseHandler::create(deviceNode, m_spec);
     if (handler) {
         connect(handler, SIGNAL(handleMouseEvent(int, int, Qt::MouseButtons)), this, SLOT(handleMouseEvent(int, int, Qt::MouseButtons)));
+        connect(handler, SIGNAL(handleWheelEvent(int, Qt::Orientation)), this, SLOT(handleWheelEvent(int, Qt::Orientation)));
         m_mice.insert(deviceNode, handler);
     } else {
         qWarning("Failed to open mouse");