1 files changed, 273 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidgetwindow_qpa.cpp b/src/widgets/kernel/qwidgetwindow_qpa.cpp
new file mode 100644
index 0000000000..510614e5e3
--- /dev/null
+++ b/src/widgets/kernel/qwidgetwindow_qpa.cpp
@@ -0,0 +1,273 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwidgetwindow_qpa_p.h"
+
+#include "private/qwidget_p.h"
+#include "private/qapplication_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QWidget *qt_button_down = 0; // widget got last button-down
+
+// popup control
+static QWidget *qt_popup_down = 0; // popup that contains the pressed widget
+extern int openPopupCount;
+static bool replayPopupMouseEvent = false;
+
+QWidgetWindow::QWidgetWindow(QWidget *widget)
+    : m_widget(widget)
+{
+}
+
+bool QWidgetWindow::event(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::Close:
+        handleCloseEvent(static_cast<QCloseEvent *>(event));
+        return true;
+
+    case QEvent::Enter:
+    case QEvent::Leave:
+        handleEnterLeaveEvent(event);
+        return true;
+
+    case QEvent::KeyPress:
+    case QEvent::KeyRelease:
+        handleKeyEvent(static_cast<QKeyEvent *>(event));
+        return true;
+
+    case QEvent::MouseMove:
+    case QEvent::MouseButtonPress:
+    case QEvent::MouseButtonRelease:
+    case QEvent::MouseButtonDblClick:
+        handleMouseEvent(static_cast<QMouseEvent *>(event));
+        return true;
+
+    case QEvent::Move:
+        handleMoveEvent(static_cast<QMoveEvent *>(event));
+        return true;
+
+    case QEvent::Resize:
+        handleResizeEvent(static_cast<QResizeEvent *>(event));
+        return true;
+
+    case QEvent::Wheel:
+        handleWheelEvent(static_cast<QWheelEvent *>(event));
+        return true;
+
+    default:
+        break;
+    }
+
+    return m_widget->event(event) || QWindow::event(event);
+}
+
+QPointer<QWidget> qt_last_mouse_receiver = 0;
+
+void QWidgetWindow::handleEnterLeaveEvent(QEvent *event)
+{
+    if (event->type() == QEvent::Leave) {
+        QWidget *leave = qt_last_mouse_receiver ? qt_last_mouse_receiver.data() : m_widget;
+        QApplicationPrivate::dispatchEnterLeave(0, leave);
+        qt_last_mouse_receiver = 0;
+    } else {
+        QApplicationPrivate::dispatchEnterLeave(m_widget, 0);
+        qt_last_mouse_receiver = m_widget;
+    }
+}
+
+void QWidgetWindow::handleMouseEvent(QMouseEvent *event)
+{
+    if (qApp->d_func()->inPopupMode()) {
+        QWidget *activePopupWidget = qApp->activePopupWidget();
+        QWidget *popup = activePopupWidget;
+        QPoint mapped = event->pos();
+        if (popup != m_widget)
+            mapped = popup->mapFromGlobal(event->globalPos());
+        bool releaseAfter = false;
+        QWidget *popupChild  = popup->childAt(mapped);
+
+        if (popup != qt_popup_down) {
+            qt_button_down = 0;
+            qt_popup_down = 0;
+        }
+
+        switch (event->type()) {
+        case QEvent::MouseButtonPress:
+        case QEvent::MouseButtonDblClick:
+            qt_button_down = popupChild;
+            qt_popup_down = popup;
+            break;
+        case QEvent::MouseButtonRelease:
+            releaseAfter = true;
+            break;
+        default:
+            break; // nothing for mouse move
+        }
+
+        int oldOpenPopupCount = openPopupCount;
+
+        if (popup->isEnabled()) {
+            // deliver event
+            replayPopupMouseEvent = false;
+            QWidget *receiver = popup;
+            QPoint widgetPos = mapped;
+            if (qt_button_down)
+                receiver = qt_button_down;
+            else if (popupChild)
+                receiver = popupChild;
+            if (receiver != popup)
+                widgetPos = receiver->mapFromGlobal(event->globalPos());
+            QWidget *alien = m_widget->childAt(m_widget->mapFromGlobal(event->globalPos()));
+            QMouseEvent e(event->type(), widgetPos, event->globalPos(), event->button(), event->buttons(), event->modifiers());
+            QApplicationPrivate::sendMouseEvent(receiver, &e, alien, m_widget, &qt_button_down, qt_last_mouse_receiver);
+        } else {
+            // close disabled popups when a mouse button is pressed or released
+            switch (event->type()) {
+            case QEvent::MouseButtonPress:
+            case QEvent::MouseButtonDblClick:
+            case QEvent::MouseButtonRelease:
+                popup->close();
+                break;
+            default:
+                break;
+            }
+        }
+
+        if (qApp->activePopupWidget() != activePopupWidget
+            && replayPopupMouseEvent) {
+            if (m_widget->windowType() != Qt::Popup)
+                qt_button_down = 0;
+            replayPopupMouseEvent = false;
+        } else if (event->type() == QEvent::MouseButtonPress
+                   && event->button() == Qt::RightButton
+                   && (openPopupCount == oldOpenPopupCount)) {
+            QWidget *popupEvent = popup;
+            if (qt_button_down)
+                popupEvent = qt_button_down;
+            else if(popupChild)
+                popupEvent = popupChild;
+            QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers());
+            QApplication::sendSpontaneousEvent(popupEvent, &e);
+        }
+
+        if (releaseAfter) {
+            qt_button_down = 0;
+            qt_popup_down = 0;
+        }
+        return;
+    }
+
+    // which child should have it?
+    QWidget *widget = m_widget->childAt(event->pos());
+    QPoint mapped = event->pos();
+
+    if (widget) {
+        mapped = widget->mapFrom(m_widget, event->pos());
+    } else {
+        widget = m_widget;
+    }
+
+    if (event->type() == QEvent::MouseButtonPress && !qt_button_down)
+        qt_button_down = widget;
+
+    QWidget *receiver = QApplicationPrivate::pickMouseReceiver(m_widget, event->globalPos(), mapped, event->type(), event->buttons(),
+                                                               qt_button_down, widget);
+
+    if (!receiver) {
+        if (event->type() == QEvent::MouseButtonRelease)
+            QApplicationPrivate::mouse_buttons &= ~event->button();
+        return;
+    }
+
+    QMouseEvent translated(event->type(), mapped, event->globalPos(), event->button(), event->buttons(), event->modifiers());
+    QApplicationPrivate::sendMouseEvent(receiver, &translated, widget, m_widget, &qt_button_down,
+                                        qt_last_mouse_receiver);
+
+    if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::RightButton) {
+        QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers());
+        QGuiApplication::sendSpontaneousEvent(receiver, &e);
+    }
+}
+
+void QWidgetWindow::handleKeyEvent(QKeyEvent *event)
+{
+    QWidget *widget = m_widget->focusWidget();
+
+    if (!widget)
+        widget = m_widget;
+
+    QGuiApplication::sendSpontaneousEvent(widget, event);
+}
+
+void QWidgetWindow::handleMoveEvent(QMoveEvent *event)
+{
+    m_widget->data->crect = geometry();
+    QGuiApplication::sendSpontaneousEvent(m_widget, event);
+}
+
+void QWidgetWindow::handleResizeEvent(QResizeEvent *event)
+{
+    m_widget->data->crect = geometry();
+    QGuiApplication::sendSpontaneousEvent(m_widget, event);
+}
+
+void QWidgetWindow::handleCloseEvent(QCloseEvent *)
+{
+    m_widget->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent);
+}
+
+void QWidgetWindow::handleWheelEvent(QWheelEvent *event)
+{
+    // which child should have it?
+    QWidget *widget = m_widget->childAt(event->pos());
+
+    if (!widget)
+        widget = m_widget;
+
+    QPoint mapped = widget->mapFrom(m_widget, event->pos());
+
+    QWheelEvent translated(mapped, event->globalPos(), event->delta(), event->buttons(), event->modifiers(), event->orientation());
+    QGuiApplication::sendSpontaneousEvent(widget, &translated);
+}
+
+QT_END_NAMESPACE