cpp end

MainWindow.hpp

@@ -0,0 +1,32 @@
+#include <QImage>
+#include <QKeyEvent>
+#include <QLabel>
+#include <QObject>
+#include <QPixmap>
+#include <QTimer>
+#include <QWidget>
+#include <iostream>
+
+class MainWindow : public QWidget {
+  public:
+    std::function<void(QKeyEvent *)> keyDownCallBack;
+
+    MainWindow() : display(QLabel(this)) {
+        setAutoFillBackground(true);
+        setGeometry(0, 0, 500, 500);
+        display.setFocusPolicy(Qt::StrongFocus);
+    }
+
+    void updateLabel(uint8_t *pixel) {
+        QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+        display.setPixmap(QPixmap::fromImage(img).scaled(size() * 1));
+    }
+
+    void keyPressEvent(QKeyEvent *e) {
+        keyDownCallBack(e);
+        QWidget::keyPressEvent(e);
+    }
+
+  private:
+    QLabel display;
+};