51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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#ifndef MYGRAPHICSVIEW_H
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#define MYGRAPHICSVIEW_H
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#include <QObject>
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#include <QGraphicsView>
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#include <QMouseEvent>
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#include <QWheelEvent>
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#include <QScrollBar>
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#include "datafile/view/mygraphicsscene.h"
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class MyGraphicsView : public QGraphicsView
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{
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Q_OBJECT
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public:
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MyGraphicsView();
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~MyGraphicsView();
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private:
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MyGraphicsScene *m_scene;
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QSize m_viewSize;
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//鼠标起始点和结束点
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QPoint m_startPoint;
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QPoint m_endPoint;
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bool m_leftBtnPressed = false;
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bool m_rightBtnPressed = false;
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protected:
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void resizeEvent(QResizeEvent *event);//窗口大小发生变化的时候，该函数触发
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void mouseDoubleClickEvent(QMouseEvent *event);
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void mousePressEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void wheelEvent(QWheelEvent *event);
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public:
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QPicture getPicture(Marker marker,int penWidth = 1);
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void creatView(Marker marker);
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void creatView(QPixmap pixmap);
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void cleanView();
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void swithView(QPicture pic);
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void reflushBlockView(QPoint p);
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signals:
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void siMouseMove(QPointF point);
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public slots:
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};
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#endif // MYGRAPHICSVIEW_H
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