gesturehandler.h

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/*
    SPDX-FileCopyrightText: 2023 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "effect/globals.h"
 
#include <QQmlParserStatus>
 
class QAction;
 
namespace KWin
{
 
class SwipeGestureHandler : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
 
    Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
    Q_PROPERTY(int fingerCount READ fingerCount WRITE setFingerCount NOTIFY fingerCountChanged)
    Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
    Q_PROPERTY(Device deviceType READ deviceType WRITE setDeviceType NOTIFY deviceTypeChanged)
 
public:
    explicit SwipeGestureHandler(QObject *parent = nullptr);
 
    // Matches SwipeDirection.
    enum class Direction {
        Invalid,
        Down,
        Left,
        Up,
        Right,
    };
    Q_ENUM(Direction)
 
    enum class Device {
        Touchpad,
        Touchscreen,
    };
    Q_ENUM(Device)
 
    void classBegin() override;
    void componentComplete() override;
 
    Direction direction() const;
    void setDirection(Direction direction);
 
    int fingerCount() const;
    void setFingerCount(int fingerCount);
 
    qreal progress() const;
    void setProgress(qreal progress);
 
    Device deviceType() const;
    void setDeviceType(Device device);
 
Q_SIGNALS:
    void activated();
    void progressChanged();
    void directionChanged();
    void fingerCountChanged();
    void deviceTypeChanged();
 
private:
    QAction *m_action = nullptr;
    Direction m_direction = Direction::Invalid;
    Device m_deviceType = Device::Touchpad;
    qreal m_progress = 0;
    int m_fingerCount = 3;
};
 
class PinchGestureHandler : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
 
    Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
    Q_PROPERTY(int fingerCount READ fingerCount WRITE setFingerCount NOTIFY fingerCountChanged)
    Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
 
public:
    explicit PinchGestureHandler(QObject *parent = nullptr);
 
    // Matches PinchDirection.
    enum class Direction {
        Expanding,
        Contracting,
    };
    Q_ENUM(Direction)
 
    enum class Device {
        Touchpad,
    };
    Q_ENUM(Device)
 
    void classBegin() override;
    void componentComplete() override;
 
    Direction direction() const;
    void setDirection(Direction direction);
 
    int fingerCount() const;
    void setFingerCount(int fingerCount);
 
    qreal progress() const;
    void setProgress(qreal progress);
 
    Device deviceType() const;
    void setDeviceType(Device device);
 
Q_SIGNALS:
    void activated();
    void progressChanged();
    void directionChanged();
    void fingerCountChanged();
    void deviceTypeChanged();
 
private:
    QAction *m_action = nullptr;
    Direction m_direction = Direction::Contracting;
    Device m_deviceType = Device::Touchpad;
    qreal m_progress = 0;
    int m_fingerCount = 3;
};
 
} // namespace KWin