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