重写图线显示

2020-08-13 12:28:38 +08:00
parent dfd6a6e08c
commit 7491439a9b
6 changed files with 262 additions and 111 deletions
@@ -1,16 +1,60 @@
-#ifndef CHART_H
+#ifndef CHART_H
 #define CHART_H

 #include <QObject>
+#include "QWidget"
+#include "QDebug"
+#include "QChart"
+#include <QChartView>
+#include <QLineSeries>
+#include <QValueAxis>
+#include <QDateTimeAxis>
+#include <QSplineSeries>

-class Chart : public QObject
+#include <QMouseEvent>
+#include <QGraphicsSimpleTextItem>
+
+using namespace QtCharts;
+
+class Chart : public QChartView
 {
    Q_OBJECT
 public:
-    explicit Chart(QObject *parent = nullptr);
+    explicit Chart( QWidget *parent = nullptr);
+    explicit Chart(QChart *chart, QWidget *parent = nullptr);
+
+    ~Chart();
+
+protected:
+
+    bool event(QEvent *event);
+
+    void mouseMoveEvent(QMouseEvent *e);
+    void mouseReleaseEvent(QMouseEvent *e);
+    void mousePressEvent(QMouseEvent *e);
+    void mouseDoubleClickEvent(QMouseEvent *e);
+    void wheelEvent(QWheelEvent *e);
+    void resizeEvent(QResizeEvent *e);

 signals:

+
+
+private:
+
+    QGraphicsSimpleTextItem *m_coordItem;
+
+    QVariant m_xMin;
+    QVariant m_xMax;
+    QVariant m_yMin;
+    QVariant m_yMax;
+
+    QPoint lastPoint;
+
+    bool isPress = false;
+
+
+
 };

 #endif // CHART_H