108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#ifndef SPLINEEDITOR_H
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#define SPLINEEDITOR_H
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#include <QWidget>
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#include <QMenu>
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#include <QAction>
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#include <QScrollArea>
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#include <QEasingCurve>
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#include <QHash>
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class SegmentProperties;
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class SplineEditor : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve NOTIFY easingCurveChanged);
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public:
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explicit SplineEditor(QWidget *parent = nullptr);
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QString generateCode();
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QStringList presetNames() const;
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QWidget *pointListWidget();
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void setControlPoint(int index, const QPointF &point)
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{
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m_controlPoints[index] = point;
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update();
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}
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void setSmooth(int index, bool smooth)
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{
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m_smoothAction->setChecked(smooth);
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smoothPoint(index * 3 + 2);
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//update();
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}
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Q_SIGNALS:
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void easingCurveChanged();
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void easingCurveCodeChanged(const QString &code);
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public Q_SLOTS:
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void setEasingCurve(const QEasingCurve &easingCurve);
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void setPreset(const QString &name);
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void setEasingCurve(const QString &code);
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protected:
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void paintEvent(QPaintEvent *) override;
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void mousePressEvent(QMouseEvent *) override;
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void mouseMoveEvent(QMouseEvent *) override;
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void mouseReleaseEvent(QMouseEvent *) override;
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#if QT_CONFIG(contextmenu)
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void contextMenuEvent(QContextMenuEvent *) override;
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#endif // contextmenu
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void invalidate();
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void invalidateSmoothList();
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void invalidateSegmentProperties();
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QEasingCurve easingCurve() const
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{ return m_easingCurve; }
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QHash<QString, QEasingCurve> presets() const;
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private:
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int findControlPoint(const QPoint &point);
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bool isSmooth(int i) const;
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void smoothPoint( int index);
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void cornerPoint( int index);
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void deletePoint(int index);
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void addPoint(const QPointF point);
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void initPresets();
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void setupPointListWidget();
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bool isControlPointSmooth(int i) const;
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QEasingCurve m_easingCurve;
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QList<QPointF> m_controlPoints;
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QList<bool> m_smoothList;
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int m_numberOfSegments;
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int m_activeControlPoint;
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bool m_mouseDrag;
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QPoint m_mousePress;
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QHash<QString, QEasingCurve> m_presets;
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QMenu *m_pointContextMenu;
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QMenu *m_curveContextMenu;
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QAction *m_deleteAction;
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QAction *m_smoothAction;
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QAction *m_cornerAction;
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QAction *m_addPoint;
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QScrollArea *m_pointListWidget;
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QList<SegmentProperties*> m_segmentProperties;
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bool m_block;
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};
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#endif // SPLINEEDITOR_H
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