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/******************************************************************
Copyright © Deng Zhimao Co., Ltd. 1990-2021. All rights reserved.
* @projectName NumberPicker
* @brief numberpicker.h
* @author Deng Zhimao
* @email 1252699831@qq.com
* @net www.openedv.com
* @date 2021-05-14
*******************************************************************/
# ifndef NUMBERPICKER_H
# define NUMBERPICKER_H
# include <QMainWindow>
# include <QPropertyAnimation>
class NumberPicker : public QWidget
{
Q_OBJECT
Q_PROPERTY ( int deviation READ readDeviation WRITE setDeviation )
public :
NumberPicker ( QWidget * parent = nullptr ) ;
~ NumberPicker ( ) ;
/* 设置最大值与最小值的范围 */
void setRange ( int min , int max ) ;
/* 读取当前值 */
int readValue ( ) ;
protected :
void mousePressEvent ( QMouseEvent * ) ;
void mouseMoveEvent ( QMouseEvent * ) ;
void mouseReleaseEvent ( QMouseEvent * ) ;
void wheelEvent ( QWheelEvent * ) ;
void paintEvent ( QPaintEvent * ) ;
public :
/* 描绘数字 */
void paintNum ( QPainter & painter , int num , int deviation ) ;
/* 使选中的数字回到屏幕中间 */
void homing ( ) ;
/* 鼠标移动偏移量, 默认为0 */
int readDeviation ( ) ;
/* 设置偏移量 */
void setDeviation ( int n ) ;
/* 设置字体大小 */
void setNumSize ( int ) ;
/* 设置间隔大小 */
void setInterval ( int ) ;
/* 设置分格数量, 一般设置为3、5、7... */
void setDevide ( int ) ;
/* 设置数字颜色,设置rgb的数值 */
void setNumberColor ( QRgb rgb ) ;
/* 设置当前值 */
void setValue ( int value ) ;
signals :
void currentValueChanged ( int value ) ;
void deviationChange ( int deviation ) ;
private :
/* 最小值 */
int minRange ;
/* 最大值 */
int maxRange ;
/* 当前选中的值 */
int currentValue ;
/* 鼠标是否按下 */
bool isDragging ;
/* 偏移量,记录鼠标按下后移动的垂直距离 */
int deviation ;
/* 鼠标按下的垂直位置 */
int mouseSrcPos ;
/* 数字大小 */
int numSize ;
/* 动画 */
QPropertyAnimation * homingAni ;
/* 间隔大小 */
int interval ;
/* 分格数量 */
int devide ;
/* 数字颜色 */
QColor numberColor ;
void PainterBackgorund ( QPainter & painter ) ;
QPalette m_palette ;
} ;
# endif // NUMBERPICKER_H