#ifndef CURCHATWIDGET_H #define CURCHATWIDGET_H #include <QWidget> #include <QPainter> #include <QMouseEvent> #include <QPoint> #include <QtMath> /* des: 趋势图 */ class CurChatWidget: public QWidget { Q_OBJECT public: explicit CurChatWidget(QWidget * parent =nullptr); virtual ~CurChatWidget() ; private: /* des: 画xy轴 画虚线 */ void painteXY(QPainter & painter); void paintEvent(QPaintEvent *) override; }; #endif // CURCHATWIDGET_H