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/****************************************************************************
**
** Copyright (C) 2010 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSYSTEMINTERFACE_H
#define QWINDOWSYSTEMINTERFACE_H
#include <QtCore/QTime>
#include <QtGui/qwindowdefs.h>
#include <QtCore/QEvent>
#include <QtGui/QWidget>
#include <QtCore/QWeakPointer>
#include <QtCore/QMutex>
#include <QtGui/QTouchEvent>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class Q_GUI_EXPORT QWindowSystemInterface
{
public:
static void handleMouseEvent(QWidget *w, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
handleMouseEvent(w, eventTime.elapsed(), local, global, b);
}
static void handleMouseEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, Qt::MouseButtons b);
static void handleKeyEvent(QWidget *w, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1) {
handleKeyEvent(w, eventTime.elapsed(), t, k, mods, text, autorep, count);
}
static void handleKeyEvent(QWidget *w, ulong timestamp, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1);
static void handleWheelEvent(QWidget *w, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
handleWheelEvent(w, eventTime.elapsed(), local, global, d, o);
}
static void handleWheelEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, int d, Qt::Orientation o);
struct TouchPoint {
int id; // for application use
bool isPrimary; // for application use
QPointF normalPosition; // touch device coordinates, (0 to 1, 0 to 1)
QRectF area; // the touched area, centered at position in screen coordinates
qreal pressure; // 0 to 1
Qt::TouchPointStates state; //Qt::TouchPoint{Pressed|Moved|Stationary|Released}
};
static void handleTouchEvent(QWidget *w, QEvent::Type type, QTouchEvent::DeviceType devType, const QList<struct TouchPoint> &points) {
handleTouchEvent(w, eventTime.elapsed(), type, devType, points);
}
static void handleTouchEvent(QWidget *w, ulong timestamp, QEvent::Type type, QTouchEvent::DeviceType devType, const QList<struct TouchPoint> &points);
// delivered directly by the plugin via spontaneous events
static void handleGeometryChange(QWidget *w, const QRect &newRect);
static void handleCloseEvent(QWidget *w);
static void handleEnterEvent(QWidget *w);
static void handleLeaveEvent(QWidget *w);
// Changes to the screen
static void handleScreenGeometryChange(int screenIndex);
static void handleScreenAvailableGeometryChange(int screenIndex);
static void handleScreenCountChange(int count);
class UserEvent {
public:
UserEvent(QWidget * w, ulong time, QEvent::Type t)
{ widget = QWeakPointer<QWidget>(w); type = t; timestamp = time; }
QWeakPointer<QWidget> widget;
QEvent::Type type;
unsigned long timestamp;
};
class MouseEvent : public UserEvent {
public:
MouseEvent(QWidget * w, ulong time, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
: UserEvent(w, time, QEvent::MouseMove){ localPos = local; globalPos = global; buttons = b; }
QPoint localPos;
QPoint globalPos;
Qt::MouseButtons buttons;
};
class WheelEvent : public UserEvent {
public:
WheelEvent(QWidget *w, ulong time, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
: UserEvent(w, time, QEvent::Wheel) { localPos = local; globalPos = global; delta = d; orient = o; }
int delta;
QPoint localPos;
QPoint globalPos;
Qt::Orientation orient;
};
class KeyEvent : public UserEvent {
public:
KeyEvent(QWidget *w, ulong time, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1)
:UserEvent(w, time, t){ key = k; unicode = text; repeat = autorep; repeatCount = count; modifiers = mods; }
int key;
QString unicode;
bool repeat;
ushort repeatCount;
Qt::KeyboardModifiers modifiers;
};
class TouchEvent : public UserEvent {
public:
TouchEvent(QWidget *w, ulong time, QEvent::Type t, QTouchEvent::DeviceType d, const QList<QTouchEvent::TouchPoint> &p)
:UserEvent(w, time, t) { devType = d; points = p; }
QTouchEvent::DeviceType devType;
QList<QTouchEvent::TouchPoint> points;
};
private:
static QTime eventTime;
};
class QWindowSystemInterfacePrivate {
public:
static QList<QWindowSystemInterface::UserEvent *> userEventQueue;
static QMutex queueMutex;
static int userEventsQueued() { queueMutex.lock(); int ret = userEventQueue.count(); queueMutex.unlock(); return ret; }
static QWindowSystemInterface::UserEvent * getUserEvent();
static void queueUserEvent(QWindowSystemInterface::UserEvent *ev);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QWINDOWSYSTEMINTERFACE_H
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