From f58e046a611118a6349ee617a98dbb24280ef183 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Date: Wed, 27 Jun 2012 16:20:18 +0200
Subject: Add framestrut mouse events.
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- Add infrastructure to QWindowSystemInterface.
- Add a setter for enabling framestrut events
  to QPlatformWindow.
- Add Windows implementation, pass keyboard modifiers.

QDockWidget relies on it for docking.

Task-number: QTBUG-26296
Change-Id: I9d84b356e9a5eb341f57b6f51f34b6b494ff7f87
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>
---
 src/gui/kernel/qguiapplication.cpp | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'src/gui/kernel/qguiapplication.cpp')

diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index a3d9c1f2ab..a27a8558cd 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1098,6 +1098,7 @@ bool QGuiApplicationPrivate::processNativeEvent(QWindow *window, const QByteArra
 void QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent *e)
 {
     switch(e->type) {
+    case QWindowSystemInterfacePrivate::FrameStrutMouse:
     case QWindowSystemInterfacePrivate::Mouse:
         QGuiApplicationPrivate::processMouseEvent(static_cast<QWindowSystemInterfacePrivate::MouseEvent *>(e));
         break;
@@ -1179,9 +1180,10 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
     QEvent::Type type;
     // move first
     Qt::MouseButtons stateChange = e->buttons ^ buttons;
+    const bool frameStrut = e->type == QWindowSystemInterfacePrivate::FrameStrutMouse;
     if (e->globalPos != QGuiApplicationPrivate::lastCursorPosition && (stateChange != Qt::NoButton)) {
         QWindowSystemInterfacePrivate::MouseEvent * newMouseEvent =
-                new QWindowSystemInterfacePrivate::MouseEvent(e->window.data(), e->timestamp, e->localPos, e->globalPos, e->buttons, e->modifiers);
+                new QWindowSystemInterfacePrivate::MouseEvent(e->window.data(), e->timestamp, e->type, e->localPos, e->globalPos, e->buttons, e->modifiers);
         QWindowSystemInterfacePrivate::windowSystemEventQueue.prepend(newMouseEvent); // just in case the move triggers a new event loop
         stateChange = Qt::NoButton;
     }
@@ -1204,7 +1206,7 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
     bool doubleClick = false;
 
     if (QGuiApplicationPrivate::lastCursorPosition != globalPoint) {
-        type = QEvent::MouseMove;
+        type = frameStrut ? QEvent::NonClientAreaMouseMove : QEvent::MouseMove;
         QGuiApplicationPrivate::lastCursorPosition = globalPoint;
         if (qAbs(globalPoint.x() - mousePressX) > mouse_double_click_distance||
             qAbs(globalPoint.y() - mousePressY) > mouse_double_click_distance)
@@ -1226,14 +1228,14 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
         if (button & e->buttons) {
             ulong doubleClickInterval = static_cast<ulong>(qApp->styleHints()->mouseDoubleClickInterval());
             doubleClick = e->timestamp - mousePressTime < doubleClickInterval && button == mousePressButton;
-            type = QEvent::MouseButtonPress;
+            type = frameStrut ? QEvent::NonClientAreaMouseButtonPress : QEvent::MouseButtonPress;
             mousePressTime = e->timestamp;
             mousePressButton = button;
             const QPoint point = QGuiApplicationPrivate::lastCursorPosition.toPoint();
             mousePressX = point.x();
             mousePressY = point.y();
         } else {
-            type = QEvent::MouseButtonRelease;
+            type = frameStrut ? QEvent::NonClientAreaMouseButtonRelease : QEvent::MouseButtonRelease;
         }
     }
 
@@ -1253,7 +1255,9 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
             cursor->pointerEvent(ev);
 #endif
     QGuiApplication::sendSpontaneousEvent(window, &ev);
-    if (!e->synthetic && !ev.isAccepted() && qApp->testAttribute(Qt::AA_SynthesizeTouchForUnhandledMouseEvents)) {
+    if (!e->synthetic && !ev.isAccepted()
+        && !frameStrut
+        && qApp->testAttribute(Qt::AA_SynthesizeTouchForUnhandledMouseEvents)) {
         if (!m_fakeTouchDevice) {
             m_fakeTouchDevice = new QTouchDevice;
             QWindowSystemInterface::registerTouchDevice(m_fakeTouchDevice);
@@ -1287,7 +1291,8 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
     }
     if (doubleClick) {
         mousePressButton = Qt::NoButton;
-        QMouseEvent dblClickEvent(QEvent::MouseButtonDblClick, localPoint, localPoint, globalPoint,
+        const QEvent::Type doubleClickType = frameStrut ? QEvent::NonClientAreaMouseButtonDblClick : QEvent::MouseButtonDblClick;
+        QMouseEvent dblClickEvent(doubleClickType, localPoint, localPoint, globalPoint,
                                   button, buttons, e->modifiers);
         dblClickEvent.setTimestamp(e->timestamp);
         QGuiApplication::sendSpontaneousEvent(window, &dblClickEvent);
-- 
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