97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/**
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*\brief 自定义边框容器类，可以挂载给任意采用无系统边框的widget上，进而实现widget的缩放、移动等功能
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*
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*\author dsc
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*/
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#ifndef CUSTOMBORDERCONTAINER_H
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#define CUSTOMBORDERCONTAINER_H
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#include <QWidget>
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#include <QObject>
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#include <QLabel>
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#include <QMouseEvent>
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#include <QBasicTimer>
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class CustomBorderContainer : public QObject
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{
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Q_OBJECT
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public:
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enum borderType
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{
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border_left = 0,
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border_right,
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border_top,
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border_bottom,
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border_leftTop,
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border_leftBottom,
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border_rightTop,
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border_rightBottom,
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border_move
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};
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enum OperationOption
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{
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NoOperation = 0, // 二进制: 0b0000
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Movable = 1 << 0, // 二进制: 0b0001
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Resizable = 1 << 1, // 二进制: 0b0010
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DefaultOperation = Movable | Resizable
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};
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//创建 QFlags 包装类型
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Q_DECLARE_FLAGS(OperationOptions, OperationOption)
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explicit CustomBorderContainer(QWidget* parent, QSize minimumSize = QSize(50, 50), int borderSize = 3);
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~CustomBorderContainer();
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void setMinimumWindowSize(QSize);
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void setBorderSize(int);
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void setOperationOptions(OperationOptions);
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void updateBorder();
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void updateContentWidget();
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private:
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//内部类
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class Border : public QLabel
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{
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public:
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explicit Border(QWidget* parent, borderType type, CustomBorderContainer* container);
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protected:
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void mousePressEvent(QMouseEvent*);
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void mouseMoveEvent(QMouseEvent*);
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void mouseReleaseEvent(QMouseEvent*);
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void timerEvent(QTimerEvent*);
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private:
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borderType m_type;
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QPoint m_mouseLastPoint;
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QPoint m_mouseMoveLength;
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bool m_mouseIsPressed;
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CustomBorderContainer* m_contaniner;
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QBasicTimer m_repaintTimer;
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};
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void initializeBorder();
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void scaleByCustomBorder(borderType, const QPoint&);
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QWidget* m_contentWidget;
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QSize m_minimumSize;
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int m_borderSize;
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//borders
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Border* m_borderLeft;
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Border* m_borderRight;
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Border* m_borderTop;
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Border* m_borderBottom;
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Border* m_borderLeftTop;
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Border* m_borderLeftBottom;
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Border* m_borderRightTop;
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Border* m_borderRightBottom;
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Border* m_borderMove; //用于移动的border
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OperationOptions m_operationOptions;
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};
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//生成运算符重载(不能放在类的内部)
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Q_DECLARE_OPERATORS_FOR_FLAGS(CustomBorderContainer::OperationOptions)
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#endif //CUSTOMBORDERCONTAINER_H
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