forked from openkylin/qt5-ukui-platformtheme
84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*
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* Qt5-UKUI's Library
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*
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* Copyright (C) 2023, KylinSoft Co., Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this library. If not, see <https://www.gnu.org/licenses/>.
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*
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* Authors: Yue Lan <lanyue@kylinos.cn>
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*
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*/
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#ifndef GESTUREHELPER_H
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#define GESTUREHELPER_H
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#include <QObject>
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#include <QTimer>
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#include <QPointF>
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#include <QTouchEvent>
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namespace UKUI {
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class TwoFingerSlideGestureRecognizer;
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class TwoFingerZoomGestureRecognizer;
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}
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/*!
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* \brief The GestureHelper class
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* \note
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* this class only handle hold and tap gesture for now.
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*/
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class GestureHelper : public QObject
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{
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Q_OBJECT
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public:
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explicit GestureHelper(QObject *parent = nullptr);
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~GestureHelper();
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void registerWidget(QWidget *widget);
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void unregisterWidget(QWidget *widget);
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bool eventFilter(QObject *watched, QEvent *event) override;
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private:
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bool m_is_touching = false;
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int m_finger_count = 0;
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QList<QTouchEvent::TouchPoint> m_touch_points;
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// hold and tap gesture
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bool m_menu_popped = false;
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QTimer m_menu_popped_timer;
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QPointF m_hold_and_tap_pos;
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bool m_is_native_mouse_move = false;
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// pan gesture
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bool m_is_paning = false;
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QTimer m_disable_paning_flag_delayer;
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// pinch gesture
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bool m_is_pinching = false;
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QTimer m_pinch_operation_delayer;
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UKUI::TwoFingerSlideGestureRecognizer *m_slider;
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UKUI::TwoFingerZoomGestureRecognizer *m_zoomer;
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Qt::GestureType m_slide_type;
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Qt::GestureType m_zoom_type;
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bool m_is_mouse_pressed = false;
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};
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#endif // GESTUREHELPER_H
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