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https://invent.kde.org/marcoa/shift-shell.git
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f7f657131b
Use plasma_add_applet to deploy as a module: https://invent.kde.org/plasma/libplasma/-/merge_requests/1116
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// SPDX-FileCopyrightText: 2023 Devin Lin <devin@kde.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <QQuickItem>
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#include <QTimer>
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#include <Qt>
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/**
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* @short A component that is similar to MouseArea but allows for a
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* simpler tracking of dragging movements after pressing and holding.
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*
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* @author Devin Lin <devin@kde.org>
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*/
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class DelegateTouchArea : public QQuickItem
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{
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Q_OBJECT
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QML_ELEMENT
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Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged FINAL)
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Q_PROPERTY(bool hovered READ hovered NOTIFY hoveredChanged FINAL)
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Q_PROPERTY(Qt::CursorShape cursorShape READ cursorShape WRITE setCursorShape RESET unsetCursor NOTIFY cursorShapeChanged FINAL)
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Q_PROPERTY(QPointF pressPosition READ pressPosition NOTIFY pressPositionChanged FINAL)
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QML_NAMED_ELEMENT(DelegateTouchArea)
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public:
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DelegateTouchArea(QQuickItem *parent = nullptr);
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bool pressed();
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bool hovered();
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Qt::CursorShape cursorShape();
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void setCursorShape(Qt::CursorShape cursorShape);
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void unsetCursor();
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QPointF pressPosition();
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Q_SIGNALS:
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void clicked();
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void rightMousePress();
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void pressAndHold();
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void pressAndHoldReleased();
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void pressedChanged(bool pressed);
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void hoveredChanged(bool hovered);
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void cursorShapeChanged();
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void pressPositionChanged();
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protected:
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void mouseUngrabEvent() override;
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void touchEvent(QTouchEvent *event) override;
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void touchUngrabEvent() override;
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void hoverEnterEvent(QHoverEvent *event) override;
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void hoverLeaveEvent(QHoverEvent *event) override;
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private Q_SLOTS:
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void startPressAndHold();
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private:
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void setPressed(bool pressed);
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void setHovered(bool hovered);
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void setDragging(bool dragging);
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void handlePressEvent(QPointerEvent *event, QPointF point);
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void handleReleaseEvent(QPointerEvent *event, bool click);
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void handleMoveEvent(QPointerEvent *event, QPointF point);
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bool m_pressed{false};
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bool m_hovered{false};
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bool m_pressAndHeld{false};
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Qt::CursorShape m_cursorShape{Qt::ArrowCursor};
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QPointF m_mouseDownPosition{};
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QTimer *m_pressAndHoldTimer{nullptr};
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};
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QML_DECLARE_TYPE(DelegateTouchArea)
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