feat: Basic context menu for explorer

editor/mainwindow.cpp

@@ -22,6 +22,7 @@
 #include "qevent.h"
 #include "qnamespace.h"
 #include "qobject.h"
+#include "qtreeview.h"
 
 class ExplorerEventFilter : public QObject {
 
@@ -68,6 +69,21 @@ MainWindow::MainWindow(QWidget *parent)
     ui->explorerView->setAcceptDrops(true);
     ui->explorerView->setDropIndicatorShown(true);
     ui->explorerView->installEventFilter(new ExplorerEventFilter(ui->explorerView, &explorerModel));
+    ui->explorerView->setContextMenuPolicy(Qt::CustomContextMenu);
+
+    explorerMenu.addAction(ui->actionDelete);
+
+    connect(ui->explorerView, &QTreeView::customContextMenuRequested, this, [&](const QPoint& point) {
+        QModelIndex index = ui->explorerView->indexAt(point);
+        explorerMenu.exec(ui->explorerView->viewport()->mapToGlobal(point));
+    });
+
+    connect(ui->actionDelete, &QAction::triggered, this, [&]() {
+        QModelIndexList selectedIndexes = ui->explorerView->selectionModel()->selectedIndexes();
+        for (QModelIndex index : selectedIndexes) {
+            explorerModel.fromIndex(index)->SetParent(std::nullopt);
+        }
+    });
 
     simulationInit();
 

editor/mainwindow.h

@@ -4,6 +4,7 @@
 #include "explorermodel.h"
 #include "qbasictimer.h"
 #include "qcoreevent.h"
+#include "qmenu.h"
 #include <QMainWindow>
 #include <QLineEdit>
 
@@ -23,6 +24,7 @@ public:
     
 private:
     ExplorerModel explorerModel;
+    QMenu explorerMenu;
     Ui::MainWindow *ui;
     QBasicTimer timer;
 

editor/mainwindow.ui

@@ -61,6 +61,21 @@
     </layout>
    </widget>
   </widget>
+  <action name="actionDelete">
+   <property name="icon">
+    <iconset>
+     <normaloff>assets/icons/editor/delete.png</normaloff>assets/icons/editor/delete.png</iconset>
+   </property>
+   <property name="text">
+    <string>Delete</string>
+   </property>
+   <property name="toolTip">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Deletes a selected object&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+   <property name="shortcut">
+    <string>Del</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>