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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSYSTEMINTERFACE_H
#define QWINDOWSYSTEMINTERFACE_H
//
// W A R N I N G
// -------------
//
// This file is part of the QPA API and is not meant to be used
// in applications. Usage of this API may make your code
// source and binary incompatible with future versions of Qt.
//
#include <QtCore/QTime>
#include <QtGui/qwindowdefs.h>
#include <QtCore/QEvent>
#include <QtCore/QAbstractEventDispatcher>
#include <QtGui/QScreen>
#include <QtGui/QWindow>
#include <QtCore/QWeakPointer>
#include <QtCore/QMutex>
#include <QtGui/QTouchEvent>
#include <QtCore/QEventLoop>
#include <QtGui/QVector2D>
QT_BEGIN_NAMESPACE
class QMimeData;
class QTouchDevice;
class QPlatformDragQtResponse;
class QPlatformDropQtResponse;
class Q_GUI_EXPORT QWindowSystemInterface
{
public:
static void handleMouseEvent(QWindow *w, const QPointF & local, const QPointF & global, Qt::MouseButtons b,
Qt::KeyboardModifiers mods = Qt::NoModifier,
Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
static void handleMouseEvent(QWindow *w, ulong timestamp, const QPointF & local, const QPointF & global, Qt::MouseButtons b,
Qt::KeyboardModifiers mods = Qt::NoModifier,
Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
static void handleFrameStrutMouseEvent(QWindow *w, const QPointF & local, const QPointF & global, Qt::MouseButtons b,
Qt::KeyboardModifiers mods = Qt::NoModifier,
Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
static void handleFrameStrutMouseEvent(QWindow *w, ulong timestamp, const QPointF & local, const QPointF & global, Qt::MouseButtons b,
Qt::KeyboardModifiers mods = Qt::NoModifier,
Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
static bool tryHandleShortcutOverrideEvent(QWindow *w, QKeyEvent *ev);
static bool tryHandleShortcutEvent(QWindow *w, int k, Qt::KeyboardModifiers mods,
const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool tryHandleShortcutEvent(QWindow *w, ulong timestamp, int k, Qt::KeyboardModifiers mods,
const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool tryHandleShortcutEventToObject(QObject *o, ulong timestamp, int k, Qt::KeyboardModifiers mods,
const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool tryHandleExtendedShortcutEvent(QWindow *w, int k, Qt::KeyboardModifiers mods,
quint32 nativeScanCode, quint32 nativeVirtualKey, quint32 nativeModifiers,
const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool tryHandleExtendedShortcutEvent(QWindow *w, ulong timestamp, int k, Qt::KeyboardModifiers mods,
quint32 nativeScanCode, quint32 nativeVirtualKey, quint32 nativeModifiers,
const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool handleKeyEvent(QWindow *w, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool handleKeyEvent(QWindow *w, ulong timestamp, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1);
static bool handleExtendedKeyEvent(QWindow *w, QEvent::Type type, int key, Qt::KeyboardModifiers modifiers,
quint32 nativeScanCode, quint32 nativeVirtualKey,
quint32 nativeModifiers,
const QString& text = QString(), bool autorep = false,
ushort count = 1);
static bool handleExtendedKeyEvent(QWindow *w, ulong timestamp, QEvent::Type type, int key, Qt::KeyboardModifiers modifiers,
quint32 nativeScanCode, quint32 nativeVirtualKey,
quint32 nativeModifiers,
const QString& text = QString(), bool autorep = false,
ushort count = 1, bool tryShortcutOverride = true);
static void handleWheelEvent(QWindow *w, const QPointF & local, const QPointF & global, QPoint pixelDelta, QPoint angleDelta, Qt::KeyboardModifiers mods = Qt::NoModifier, Qt::ScrollPhase phase = Qt::ScrollUpdate, Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
static void handleWheelEvent(QWindow *w, ulong timestamp, const QPointF & local, const QPointF & global, QPoint pixelDelta, QPoint angleDelta, Qt::KeyboardModifiers mods = Qt::NoModifier, Qt::ScrollPhase phase = Qt::ScrollUpdate, Qt::MouseEventSource source = Qt::MouseEventNotSynthesized);
// Wheel event compatibility functions. Will be removed: do not use.
static void handleWheelEvent(QWindow *w, const QPointF & local, const QPointF & global, int d, Qt::Orientation o, Qt::KeyboardModifiers mods = Qt::NoModifier);
static void handleWheelEvent(QWindow *w, ulong timestamp, const QPointF & local, const QPointF & global, int d, Qt::Orientation o, Qt::KeyboardModifiers mods = Qt::NoModifier);
struct TouchPoint {
TouchPoint() : id(0), pressure(0), state(Qt::TouchPointStationary), flags(0) { }
int id; // 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::TouchPointState state; //Qt::TouchPoint{Pressed|Moved|Stationary|Released}
QVector2D velocity; // in screen coordinate system, pixels / seconds
QTouchEvent::TouchPoint::InfoFlags flags;
QVector<QPointF> rawPositions; // in screen coordinates
};
static void registerTouchDevice(const QTouchDevice *device);
static void unregisterTouchDevice(const QTouchDevice *device);
static void handleTouchEvent(QWindow *w, QTouchDevice *device,
const QList<struct TouchPoint> &points, Qt::KeyboardModifiers mods = Qt::NoModifier);
static void handleTouchEvent(QWindow *w, ulong timestamp, QTouchDevice *device,
const QList<struct TouchPoint> &points, Qt::KeyboardModifiers mods = Qt::NoModifier);
static void handleTouchCancelEvent(QWindow *w, QTouchDevice *device, Qt::KeyboardModifiers mods = Qt::NoModifier);
static void handleTouchCancelEvent(QWindow *w, ulong timestamp, QTouchDevice *device, Qt::KeyboardModifiers mods = Qt::NoModifier);
// rect is relative to parent
static void handleGeometryChange(QWindow *w, const QRect &newRect, const QRect &oldRect = QRect());
static void handleCloseEvent(QWindow *w, bool *accepted = 0);
static void handleEnterEvent(QWindow *w, const QPointF &local = QPointF(), const QPointF& global = QPointF());
static void handleLeaveEvent(QWindow *w);
static void handleEnterLeaveEvent(QWindow *enter, QWindow *leave, const QPointF &local = QPointF(), const QPointF& global = QPointF());
static void handleWindowActivated(QWindow *w, Qt::FocusReason r = Qt::OtherFocusReason);
static void handleWindowStateChanged(QWindow *w, Qt::WindowState newState);
static void handleWindowScreenChanged(QWindow *w, QScreen *newScreen);
static void handleApplicationStateChanged(Qt::ApplicationState newState, bool forcePropagate = false);
// region is in local coordinates, do not confuse with geometry which is parent-relative
static void handleExposeEvent(QWindow *tlw, const QRegion ®ion);
#ifndef QT_NO_DRAGANDDROP
// Drag and drop. These events are sent immediately.
static QPlatformDragQtResponse handleDrag(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
static QPlatformDropQtResponse handleDrop(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
#endif
static bool handleNativeEvent(QWindow *window, const QByteArray &eventType, void *message, long *result);
// Changes to the screen
static void handleScreenOrientationChange(QScreen *screen, Qt::ScreenOrientation newOrientation);
static void handleScreenGeometryChange(QScreen *screen, const QRect &newGeometry, const QRect &newAvailableGeometry);
static void handleScreenLogicalDotsPerInchChange(QScreen *screen, qreal newDpiX, qreal newDpiY);
static void handleScreenRefreshRateChange(QScreen *screen, qreal newRefreshRate);
static void handleThemeChange(QWindow *tlw);
static void handleFileOpenEvent(const QString& fileName);
static void handleFileOpenEvent(const QUrl &url);
static void handleTabletEvent(QWindow *w, ulong timestamp, const QPointF &local, const QPointF &global,
int device, int pointerType, Qt::MouseButtons buttons, qreal pressure, int xTilt, int yTilt,
qreal tangentialPressure, qreal rotation, int z, qint64 uid,
Qt::KeyboardModifiers modifiers = Qt::NoModifier);
static void handleTabletEvent(QWindow *w, const QPointF &local, const QPointF &global,
int device, int pointerType, Qt::MouseButtons buttons, qreal pressure, int xTilt, int yTilt,
qreal tangentialPressure, qreal rotation, int z, qint64 uid,
Qt::KeyboardModifiers modifiers = Qt::NoModifier);
static void handleTabletEvent(QWindow *w, ulong timestamp, bool down, const QPointF &local, const QPointF &global,
int device, int pointerType, qreal pressure, int xTilt, int yTilt,
qreal tangentialPressure, qreal rotation, int z, qint64 uid,
Qt::KeyboardModifiers modifiers = Qt::NoModifier); // ### remove in Qt 6
static void handleTabletEvent(QWindow *w, bool down, const QPointF &local, const QPointF &global,
int device, int pointerType, qreal pressure, int xTilt, int yTilt,
qreal tangentialPressure, qreal rotation, int z, qint64 uid,
Qt::KeyboardModifiers modifiers = Qt::NoModifier); // ### remove in Qt 6
static void handleTabletEnterProximityEvent(ulong timestamp, int device, int pointerType, qint64 uid);
static void handleTabletEnterProximityEvent(int device, int pointerType, qint64 uid);
static void handleTabletLeaveProximityEvent(ulong timestamp, int device, int pointerType, qint64 uid);
static void handleTabletLeaveProximityEvent(int device, int pointerType, qint64 uid);
#ifndef QT_NO_GESTURES
static void handleGestureEvent(QWindow *window, ulong timestamp, Qt::NativeGestureType type,
QPointF &local, QPointF &global);
static void handleGestureEventWithRealValue(QWindow *window, ulong timestamp, Qt::NativeGestureType type,
qreal value, QPointF &local, QPointF &global);
static void handleGestureEventWithSequenceIdAndValue(QWindow *window, ulong timestamp,Qt::NativeGestureType type,
ulong sequenceId, quint64 value, QPointF &local, QPointF &global);
#endif // QT_NO_GESTURES
static void handlePlatformPanelEvent(QWindow *w);
#ifndef QT_NO_CONTEXTMENU
static void handleContextMenuEvent(QWindow *w, bool mouseTriggered,
const QPoint &pos, const QPoint &globalPos,
Qt::KeyboardModifiers modifiers);
#endif
#ifndef QT_NO_WHATSTHIS
static void handleEnterWhatsThisEvent();
#endif
// For event dispatcher implementations
static bool sendWindowSystemEvents(QEventLoop::ProcessEventsFlags flags);
static void setSynchronousWindowSystemEvents(bool enable);
static bool flushWindowSystemEvents(QEventLoop::ProcessEventsFlags flags = QEventLoop::AllEvents);
static void deferredFlushWindowSystemEvents(QEventLoop::ProcessEventsFlags flags);
static int windowSystemEventsQueued();
};
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QWindowSystemInterface::TouchPoint &p);
#endif
QT_END_NAMESPACE
#endif // QWINDOWSYSTEMINTERFACE_H
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