mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-12-02 00:32:24 +08:00
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#ifndef DIAGRAMSCENE_H
|
|
#define DIAGRAMSCENE_H
|
|
|
|
#include "diagramitem.h"
|
|
#include "diagramtextitem.h"
|
|
|
|
#include <QGraphicsScene>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
class QGraphicsSceneMouseEvent;
|
|
class QMenu;
|
|
class QPointF;
|
|
class QGraphicsLineItem;
|
|
class QFont;
|
|
class QGraphicsTextItem;
|
|
class QColor;
|
|
QT_END_NAMESPACE
|
|
|
|
//! [0]
|
|
class DiagramScene : public QGraphicsScene
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
enum Mode { InsertItem, InsertLine, InsertText, MoveItem };
|
|
|
|
explicit DiagramScene(QMenu *itemMenu, QObject *parent = nullptr);
|
|
QFont font() const { return myFont; }
|
|
QColor textColor() const { return myTextColor; }
|
|
QColor itemColor() const { return myItemColor; }
|
|
QColor lineColor() const { return myLineColor; }
|
|
void setLineColor(const QColor &color);
|
|
void setTextColor(const QColor &color);
|
|
void setItemColor(const QColor &color);
|
|
void setFont(const QFont &font);
|
|
|
|
public slots:
|
|
void setMode(Mode mode);
|
|
void setItemType(DiagramItem::DiagramType type);
|
|
void editorLostFocus(DiagramTextItem *item);
|
|
|
|
signals:
|
|
void itemInserted(DiagramItem *item);
|
|
void textInserted(QGraphicsTextItem *item);
|
|
void itemSelected(QGraphicsItem *item);
|
|
|
|
protected:
|
|
void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) override;
|
|
void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) override;
|
|
void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) override;
|
|
|
|
private:
|
|
bool isItemChange(int type) const;
|
|
|
|
DiagramItem::DiagramType myItemType;
|
|
QMenu *myItemMenu;
|
|
Mode myMode;
|
|
bool leftButtonDown;
|
|
QPointF startPoint;
|
|
QGraphicsLineItem *line;
|
|
QFont myFont;
|
|
DiagramTextItem *textItem;
|
|
QColor myTextColor;
|
|
QColor myItemColor;
|
|
QColor myLineColor;
|
|
};
|
|
//! [0]
|
|
|
|
#endif // DIAGRAMSCENE_H
|