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46 lines
1005 B
C++
46 lines
1005 B
C++
#ifndef JOYSTICK_H
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#define JOYSTICK_H
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#include <QWidget>
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#include <QPainter>
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#include <QDrag>
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#include <QMouseEvent>
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#include <QtMath>
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#include <QTimer>
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#include <QDebug>
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class JoyStick : public QWidget
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{
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Q_OBJECT
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public:
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JoyStick(QWidget *parent = 0);
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~JoyStick();
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enum {upleft=0,up,upright,left,stop,right,downleft,down,downright};
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signals:
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void keyNumchanged(int num);
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protected:
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void paintEvent(QPaintEvent *event)override;
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void mouseMoveEvent(QMouseEvent *event)override;
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void mouseReleaseEvent(QMouseEvent *event)override;
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void mousePressEvent(QMouseEvent *event)override;
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// void resizeEvent(QResizeEvent *event)override;
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private:
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int mouseX;
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int mouseY;
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int JoyStickX;//摇杆
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int JoyStickY;
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int JoyStickR;
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int padX;//底盘
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int padY;
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int padR;
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double handPadDis;//两圆圆心距离
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bool mousePressed;
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QTimer *tim;
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private:
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double Pointdis(int a,int b,int x,int y);//两点距离
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int getKeyNum();
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};
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#endif // JoyStick_H
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