qt: update ReadableDisplay

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

@@ -1,4 +1,21 @@
-#include "ReadableDisplay.h"
+ #include "ReadableDisplay.h"
 
 ReadableDisplay::ReadableDisplay(QWidget *parent) : QWidget(parent) {
+    setAcceptDrops(true);
+    
+    m_displayWidgetLayout = new QVBoxLayout;
+    
+    m_displayWidgetLayout->addWidget(new ReadableGraphDisplay);
+    
+    setLayout(m_displayWidgetLayout);
+}
+
+void ReadableDisplay::dropEvent(QDropEvent *event) {
+}
+
+void ReadableDisplay::dragEnterEvent(QDragEnterEvent *event) {
+    if (!event->mimeData()->hasFormat(ReadableData::mimeType())) {
+        return;
+    }
+    event->accept();
 }

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

@@ -1,8 +1,19 @@
 #pragma once
 
 #include <QWidget>
+#include <QMimeData>
+#include <QDragEnterEvent>
+#include <QVBoxLayout>
+
+#include <ReadableData.h>
+#include "ReadableGraphDisplay.h"
 
 class ReadableDisplay : public QWidget {
 public:
     ReadableDisplay(QWidget *parent = nullptr);
+protected:
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dropEvent(QDropEvent *event) override;
+private:
+    QVBoxLayout *m_displayWidgetLayout;
 };