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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWASMEVENTTRANSLATOR_H
#define QWASMEVENTTRANSLATOR_H
#include <QtCore/qobject.h>
#include <QtCore/qrect.h>
#include <QtCore/qpoint.h>
#include <emscripten/html5.h>
#include "qwasmwindow.h"
#include <QtGui/qtouchdevice.h>
#include <QHash>
QT_BEGIN_NAMESPACE
class QWindow;
class QWasmEventTranslator : public QObject
{
Q_OBJECT
public:
explicit QWasmEventTranslator(QWasmScreen *screen);
static int keyboard_cb(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData);
static int mouse_cb(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData);
static int focus_cb(int eventType, const EmscriptenFocusEvent *focusEvent, void *userData);
static int wheel_cb(int eventType, const EmscriptenWheelEvent *wheelEvent, void *userData);
static int touchCallback(int eventType, const EmscriptenTouchEvent *ev, void *userData);
static int uiEvent_cb(int eventType, const EmscriptenUiEvent *e, void *userData);
void processEvents();
void initEventHandlers();
int handleTouch(int eventType, const EmscriptenTouchEvent *touchEvent);
Q_SIGNALS:
void getWindowAt(const QPoint &point, QWindow **window);
private:
QWasmScreen *screen();
Qt::Key translateEmscriptKey(const EmscriptenKeyboardEvent *emscriptKey);
template <typename Event>
QFlags<Qt::KeyboardModifier> translatKeyModifier(const Event *event);
QFlags<Qt::KeyboardModifier> translateKeyboardEventModifier(const EmscriptenKeyboardEvent *keyEvent);
QFlags<Qt::KeyboardModifier> translateMouseEventModifier(const EmscriptenMouseEvent *mouseEvent);
Qt::MouseButton translateMouseButton(unsigned short button);
void processMouse(int eventType, const EmscriptenMouseEvent *mouseEvent);
bool processKeyboard(int eventType, const EmscriptenKeyboardEvent *keyEvent);
Qt::Key translateDeadKey(Qt::Key deadKey, Qt::Key accentBaseKey);
QHash<Qt::Key , Qt::Key> tildeKeyTable { // ~
{ Qt::Key_A, Qt::Key_Atilde},
{ Qt::Key_N, Qt::Key_Ntilde},
{ Qt::Key_O, Qt::Key_Otilde}
};
QHash<Qt::Key , Qt::Key> graveKeyTable { // `
{ Qt::Key_A, Qt::Key_Agrave},
{ Qt::Key_E, Qt::Key_Egrave},
{ Qt::Key_I, Qt::Key_Igrave},
{ Qt::Key_O, Qt::Key_Ograve},
{ Qt::Key_U, Qt::Key_Ugrave}
};
QHash<Qt::Key , Qt::Key> acuteKeyTable { // '
{ Qt::Key_A, Qt::Key_Aacute},
{ Qt::Key_E, Qt::Key_Eacute},
{ Qt::Key_I, Qt::Key_Iacute},
{ Qt::Key_O, Qt::Key_Oacute},
{ Qt::Key_U, Qt::Key_Uacute},
{ Qt::Key_Y, Qt::Key_Yacute}
};
QHash<Qt::Key , Qt::Key> diaeresisKeyTable { // umlaut ¨
{ Qt::Key_A, Qt::Key_Adiaeresis},
{ Qt::Key_E, Qt::Key_Ediaeresis},
{ Qt::Key_I, Qt::Key_Idiaeresis},
{ Qt::Key_O, Qt::Key_Odiaeresis},
{ Qt::Key_U, Qt::Key_Udiaeresis},
{ Qt::Key_Y, Qt::Key_ydiaeresis}
};
QHash<Qt::Key , Qt::Key> circumflexKeyTable { // ^
{ Qt::Key_A, Qt::Key_Acircumflex},
{ Qt::Key_E, Qt::Key_Ecircumflex},
{ Qt::Key_I, Qt::Key_Icircumflex},
{ Qt::Key_O, Qt::Key_Ocircumflex},
{ Qt::Key_U, Qt::Key_Ucircumflex}
};
QMap <int, QPointF> pressedTouchIds;
private:
QWindow *draggedWindow;
QWindow *pressedWindow;
QWindow *lastWindow;
Qt::MouseButtons pressedButtons;
QWasmWindow::ResizeMode resizeMode;
QPoint resizePoint;
QRect resizeStartRect;
QTouchDevice *touchDevice;
quint64 getTimestamp();
Qt::Key m_emDeadKey = Qt::Key_unknown;
bool m_emStickyDeadKey = false;
};
QT_END_NAMESPACE
#endif // QWASMEVENTTRANSLATOR_H
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