qt: add ReadableGraphDisplay

src/modules/interface/qt/widgets/ReadableGraphDisplay.cpp

@@ -0,0 +1,16 @@
+#include "ReadableGraphDisplay.h"
+
+ReadableGraphDisplay::ReadableGraphDisplay(QWidget *parent) : QGraphicsView(new QGraphicsScene, parent) {
+    m_chart = new QChart;
+    m_chart->createDefaultAxes();
+    
+    scene()->addItem(m_chart);
+}
+
+bool ReadableGraphDisplay::event(QEvent *event) {
+    if (event->type() == QEvent::Leave) {
+        qDebug() << "leave";
+        return true;
+    }
+    return QAbstractScrollArea::event(event);
+}

src/modules/interface/qt/widgets/ReadableGraphDisplay.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <QGraphicsView>
+#include <QGraphicsItem>
+#include <QtCharts/QChart>
+#include <QDebug>
+
+using namespace QtCharts;
+
+class ReadableGraphDisplay : public QGraphicsView {
+public:
+    ReadableGraphDisplay(QWidget *parent = nullptr);
+protected:
+    bool event(QEvent *event);
+private:
+    QChart *m_chart;
+};