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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "curveeditorstyle.h"
#include "curveeditorstyledialog.h"
#include "graphicsscene.h"
#include "playhead.h"
#include "selector.h"
#include <QGraphicsView>
namespace DesignTools {
class CurveItem;
class CurveEditorModel;
class Playhead;
class PropertyTreeItem;
class GraphicsView : public QGraphicsView
{
Q_OBJECT
friend class Playhead;
signals:
void notifyFrameChanged(int frame);
public:
GraphicsView(CurveEditorModel *model, QWidget *parent = nullptr);
CurveEditorModel *model() const;
CurveEditorStyle editorStyle() const;
bool hasActiveItem() const;
bool hasActiveHandle() const;
bool hasSelectedKeyframe() const;
int mapTimeToX(double time) const;
int mapValueToY(double value) const;
double mapXtoTime(int x) const;
double mapYtoValue(int y) const;
QPointF globalToScene(const QPoint &point) const;
QPointF globalToRaster(const QPoint &point) const;
double minimumTime() const;
double maximumTime() const;
double minimumValue() const;
double maximumValue() const;
double zoomX() const;
double zoomY() const;
QRectF canvasRect() const;
QRectF timeScaleRect() const;
QRectF valueScaleRect() const;
QRectF defaultRasterRect() const;
void setLocked(PropertyTreeItem *item);
void setStyle(const CurveEditorStyle &style);
void setZoomX(double zoom, const QPoint &pivot = QPoint());
void setZoomY(double zoom, const QPoint &pivot = QPoint());
void setCurrentFrame(int frame, bool notify = true);
void scrollContent(double x, double y);
void reset(const std::vector<CurveItem *> &items);
void updateSelection(const std::vector<CurveItem *> &items);
void setInterpolation(Keyframe::Interpolation interpol);
protected:
void resizeEvent(QResizeEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void wheelEvent(QWheelEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
void drawForeground(QPainter *painter, const QRectF &rect) override;
void drawBackground(QPainter *painter, const QRectF &rect) override;
private:
void applyZoom(double x, double y, const QPoint &pivot = QPoint());
void insertKeyframe(double time, bool allVisibleCurves = false);
void deleteSelectedKeyframes();
void drawGrid(QPainter *painter, const QRectF &rect);
#if 0
void drawExtremaX(QPainter *painter, const QRectF &rect);
void drawExtremaY(QPainter *painter, const QRectF &rect);
#endif
void drawTimeScale(QPainter *painter, const QRectF &rect);
void drawValueScale(QPainter *painter, const QRectF &rect);
void drawRangeBar(QPainter *painter, const QRectF &rect);
double timeLabelInterval(QPainter *painter, double maxTime);
QRectF rangeMinHandle(const QRectF &rect);
QRectF rangeMaxHandle(const QRectF &rect);
private:
double m_zoomX;
double m_zoomY;
QTransform m_transform;
GraphicsScene m_scene;
CurveEditorModel *m_model;
Playhead m_playhead;
Selector m_selector;
CurveEditorStyle m_style;
CurveEditorStyleDialog m_dialog;
};
} // End namespace DesignTools.
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