Added ghost image for gate placement

include/Component.hpp

@@ -10,6 +10,9 @@ class Component : public QFrame
 {
 public:
 	explicit Component(QWidget* parent);
+	explicit Component(QWidget* parent, const QString& resource);
+
+	void mouseMoveEvent(QMouseEvent* event) override;
 
 private:
 	Ui::Component* ui;

include/GhostLabel.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <qlabel.h>
+
+class GhostLabel : public QLabel
+{
+public:
+	explicit GhostLabel(QWidget* parent) :
+		QLabel(parent)
+	{
+		setMouseTracking(true);
+	}
+
+	void mouseMoveEvent(QMouseEvent* event) override
+	{
+		// Ignore all mouse move events, who cares tbh
+		event->ignore();
+	}
+};

include/Window.hpp

@@ -7,6 +7,8 @@ namespace Ui {
 }
 
 class Component;
+class QActionGroup;
+class GhostLabel;
 
 class Window : public QMainWindow
 {
@@ -21,6 +23,8 @@ protected:
 
 private:
 	void ToggleSimulation();
+	void ToggleComponentPlacer();
+	void LoadGhostLabel(const QString& resource);
 
 	Ui::Window* ui;
 	bool simulating;
@@ -29,4 +33,8 @@ private:
 		Component* component;
 		QPoint relativePos;
 	} dragInfo;
+
+	GhostLabel* ghostImage;
+	QString resourcePath;
+	QActionGroup* componentGroup;
 };