diff options
Diffstat (limited to 'tools/qmleasing/splineeditor.h')
-rw-r--r-- | tools/qmleasing/splineeditor.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/tools/qmleasing/splineeditor.h b/tools/qmleasing/splineeditor.h new file mode 100644 index 0000000000..301fa1c0d2 --- /dev/null +++ b/tools/qmleasing/splineeditor.h @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the tools applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef SPLINEEDITOR_H +#define SPLINEEDITOR_H + +#include <QWidget> +#include <QMenu> +#include <QAction> +#include <QScrollArea> + +#include <QEasingCurve> +#include <QHash> + +class SegmentProperties; + +class SplineEditor : public QWidget +{ + Q_OBJECT + + Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve NOTIFY easingCurveChanged); + +public: + explicit SplineEditor(QWidget *parent = 0); + QString generateCode(); + QStringList presetNames() const; + QWidget *pointListWidget(); + + void setControlPoint(int index, const QPointF &point) + { + m_controlPoints[index] = point; + update(); + } + + void setSmooth(int index, bool smooth) + { + m_smoothAction->setChecked(smooth); + smoothPoint(index * 3 + 2); + //update(); + } + +signals: + void easingCurveChanged(); + void easingCurveCodeChanged(const QString &code); + + +public slots: + void setEasingCurve(const QEasingCurve &easingCurve); + void setPreset(const QString &name); + void setEasingCurve(const QString &code); + +protected: + void paintEvent(QPaintEvent *); + void mousePressEvent(QMouseEvent *); + void mouseMoveEvent(QMouseEvent *); + void mouseReleaseEvent(QMouseEvent *); + void contextMenuEvent(QContextMenuEvent *); + + void invalidate(); + void invalidateSmoothList(); + void invalidateSegmentProperties(); + + QEasingCurve easingCurve() const + { return m_easingCurve; } + + QHash<QString, QEasingCurve> presets() const; + +private: + int findControlPoint(const QPoint &point); + bool isSmooth(int i) const; + + void smoothPoint( int index); + void cornerPoint( int index); + void deletePoint(int index); + void addPoint(const QPointF point); + + void initPresets(); + + void setupPointListWidget(); + + bool isControlPointSmooth(int i) const; + + QEasingCurve m_easingCurve; + QVector<QPointF> m_controlPoints; + QVector<bool> m_smoothList; + int m_numberOfSegments; + int m_activeControlPoint; + bool m_mouseDrag; + QPoint m_mousePress; + QHash<QString, QEasingCurve> m_presets; + + QMenu *m_pointContextMenu; + QMenu *m_curveContextMenu; + QAction *m_deleteAction; + QAction *m_smoothAction; + QAction *m_cornerAction; + QAction *m_addPoint; + + QScrollArea *m_pointListWidget; + + QList<SegmentProperties*> m_segmentProperties; + bool m_block; +}; + +#endif // SPLINEEDITOR_H |