Add add component button

tools/leveleditor/include/properties.h

@@ -2,6 +2,7 @@
 
 #include <QWidget>
 #include <QVBoxLayout>
+#include <QPushButton>
 
 struct Context;
 struct InfoComponent;
@@ -24,6 +25,8 @@ private:
 
     QVBoxLayout* layout = nullptr;
 
+    QPushButton* addComponentButton;
+
     QList<QWidget*> sections;
 
     Context& context;

tools/leveleditor/src/properties.cpp

@@ -4,6 +4,7 @@
 #include <QLabel>
 #include <QLineEdit>
 #include <QComboBox>
+#include <QMenu>
 
 #include "context.h"
 #include "ecs.h"
@@ -20,11 +21,38 @@ Properties::Properties(Context& context, QWidget* parent) : QWidget(parent), con
     layout->setAlignment(Qt::AlignTop);
     layout->setSpacing(0);
 
+    QMenu* addComponentMenu = new QMenu();
+
+    QAction* addMeshComponent = new QAction("Mesh");
+    connect(addMeshComponent, &QAction::triggered, [&context] {
+        const auto& entity = context.selectedEntities[0];
+
+        ECS::addComponent<MeshComponent>(entity);
+
+        emit context.entitiesChanged();
+    });
+    addComponentMenu->addAction(addMeshComponent);
+
+    QAction* addLightComponent = new QAction("Light");
+    connect(addLightComponent, &QAction::triggered, [&context] {
+        const auto& entity = context.selectedEntities[0];
+
+        ECS::addComponent<LightComponent>(entity);
+
+        emit context.entitiesChanged();
+    });
+    addComponentMenu->addAction(addLightComponent);
+
+    addComponentButton = new QPushButton("Add Component...");
+    addComponentButton->setMenu(addComponentMenu);
+    layout->addWidget(addComponentButton);
+
     setLayout(layout);
 
     rebuild();
 
     connect(&context, &Context::selectionChanged, this, &Properties::rebuild);
+    connect(&context, &Context::entitiesChanged, this, &Properties::rebuild);
 }
 
 void Properties::rebuild() {
@@ -35,6 +63,8 @@ void Properties::rebuild() {
 
     sections.clear();
 
+    addComponentButton->setEnabled(context.selectedEntities.size() != 0);
+
     if(context.selectedEntities.size() == 0)
         return;