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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWINDOWSPOINTERHANDLER_H
#define QWINDOWSPOINTERHANDLER_H
#include "qtwindowsglobal.h"
#include <QtCore/qt_windows.h>
#include <QtCore/qpointer.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qsharedpointer.h>
#include <QtCore/qhash.h>
#include <QtGui/qevent.h>
#include <qpa/qwindowsysteminterface.h>
QT_BEGIN_NAMESPACE
class QWindow;
class QPointingDevice;
class QWindowsPointerHandler
{
Q_DISABLE_COPY_MOVE(QWindowsPointerHandler)
public:
using QPointingDevicePtr = QSharedPointer<QPointingDevice>;
QWindowsPointerHandler() = default;
~QWindowsPointerHandler();
bool translatePointerEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, LRESULT *result);
bool translateMouseEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, LRESULT *result);
const QPointingDevicePtr &touchDevice() const { return m_touchDevice; }
void setTouchDevice(const QPointingDevicePtr &d) { m_touchDevice = d; }
static QPointingDevicePtr createTouchDevice(bool mouseEmulation);
QWindow *windowUnderMouse() const { return m_windowUnderPointer.data(); }
void clearWindowUnderMouse() { m_windowUnderPointer = nullptr; }
void clearEvents();
private:
bool translateTouchEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, PVOID vTouchInfo, unsigned int count);
bool translatePenEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, PVOID vPenInfo);
bool translateMouseWheelEvent(QWindow *window, QWindow *currentWindowUnderPointer, MSG msg, QPoint globalPos, Qt::KeyboardModifiers keyModifiers);
void handleCaptureRelease(QWindow *window, QWindow *currentWindowUnderPointer, HWND hwnd, QEvent::Type eventType, Qt::MouseButtons mouseButtons);
void handleEnterLeave(QWindow *window, QWindow *currentWindowUnderPointer, QPoint globalPos);
#if QT_CONFIG(tabletevent)
QPointingDevicePtr findTabletDevice(QPointingDevice::PointerType pointerType) const;
#endif
QPointingDevicePtr m_touchDevice;
#if QT_CONFIG(tabletevent)
QList<QPointingDevicePtr> m_tabletDevices;
QPointingDevicePtr m_activeTabletDevice;
#endif
QHash<int, QWindowSystemInterface::TouchPoint> m_lastTouchPoints;
QHash<DWORD, int> m_touchInputIDToTouchPointID;
QPointer<QWindow> m_windowUnderPointer;
QPointer<QWindow> m_currentWindow;
QWindow *m_previousCaptureWindow = nullptr;
bool m_needsEnterOnPointerUpdate = false;
QEvent::Type m_lastEventType = QEvent::None;
Qt::MouseButton m_lastEventButton = Qt::NoButton;
DWORD m_pointerType = 0;
static qint64 m_nextInputDeviceId; // workaround until we know how to get system device IDs
};
QT_END_NAMESPACE
#endif // QWINDOWSPOINTERHANDLER_H
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