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QT实现一个摇杆手柄_qt 摇杆_starsrobot的博客-CSDN博客
在智能小车的控制里,最好用的控制方式还是手柄控制,但是手柄的价格又相对较贵,今天就给大家讲解如何只用Qt实现一个摇杆手柄;该软件摇杆手柄支持固定方向单次点击控制,也支持组合方向滑动控制,并且滑动控制下会显示当前滑动位置的X轴数据和Y轴数据,具体的操作演示,大家可以查看文章后面的功能演示视频,可以更直观的了解该手柄的功能。下面主要对如何实现的进行讲解。 第一步:需要创建一个Qt工程,这步就跳过了 第二步:在ui文件中添加几个控件 第三步:编写一个类(CustomBox),该类则是手柄控制的核心 #include "custombox.h" #include <QPainter> #include <QMouseEvent> #include <QDebug> #include <QPushButton> #include <QToolTip> #include <qmath.h> CustomBox::CustomBox(QWidget* parent) : QWidget(parent) , m_radius(90) //小圆半径 , m_arcLength(80) //小圆弧长...
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