PixelPaint: Remove hand-rolled type information in favor of RTTI

Applications/PixelPaint/BrushTool.h

@@ -47,7 +47,6 @@ private:
     bool m_was_drawing { false };
     Gfx::IntPoint m_last_position;
 
-    virtual const char* class_name() const override { return "BrushTool"; }
     void draw_line(Gfx::Bitmap& bitmap, const Gfx::Color& color, const Gfx::IntPoint& start, const Gfx::IntPoint& end);
     void draw_point(Gfx::Bitmap& bitmap, const Gfx::Color& color, const Gfx::IntPoint& point);
 };

Applications/PixelPaint/BucketTool.h

@@ -39,8 +39,6 @@ public:
     virtual GUI::Widget* get_properties_widget() override;
 
 private:
-    virtual const char* class_name() const override { return "BucketTool"; }
-
     RefPtr<GUI::Widget> m_properties_widget;
     int m_threshold { 0 };
 };

Applications/PixelPaint/EllipseTool.h

@@ -50,7 +50,6 @@ private:
         // FIXME: Add Mode::Fill
     };
 
-    virtual const char* class_name() const override { return "EllipseTool"; }
     void draw_using(GUI::Painter&, const Gfx::IntRect&);
 
     GUI::MouseButton m_drawing_button { GUI::MouseButton::None };

Applications/PixelPaint/EraseTool.h

@@ -45,7 +45,6 @@ public:
 
 private:
     Gfx::Color get_color() const;
-    virtual const char* class_name() const override { return "EraseTool"; }
     Gfx::IntRect build_rect(const Gfx::IntPoint& pos, const Gfx::IntRect& widget_rect);
     RefPtr<GUI::Menu> m_context_menu;
 

Applications/PixelPaint/ImageEditor.cpp

@@ -27,6 +27,7 @@
 #include "ImageEditor.h"
 #include "Image.h"
 #include "Layer.h"
+#include "MoveTool.h"
 #include "Tool.h"
 #include <LibGUI/Command.h>
 #include <LibGUI/Painter.h>
@@ -203,7 +204,7 @@ void ImageEditor::mousedown_event(GUI::MouseEvent& event)
     if (!m_active_tool)
         return;
 
-    if (m_active_tool->is_move_tool()) {
+    if (is<MoveTool>(*m_active_tool)) {
         if (auto* other_layer = layer_at_editor_position(event.position())) {
             set_active_layer(other_layer);
         }

Applications/PixelPaint/LineTool.h

@@ -46,8 +46,6 @@ public:
     virtual void on_keyup(GUI::KeyEvent&) override;
 
 private:
-    virtual const char* class_name() const override { return "LineTool"; }
-
     GUI::MouseButton m_drawing_button { GUI::MouseButton::None };
     Gfx::IntPoint m_line_start_position;
     Gfx::IntPoint m_line_end_position;

Applications/PixelPaint/MoveTool.h

@@ -42,9 +42,6 @@ public:
     virtual void on_context_menu(Layer&, GUI::ContextMenuEvent&) override;
 
 private:
-    virtual const char* class_name() const override { return "MoveTool"; }
-    virtual bool is_move_tool() const override { return true; }
-
     RefPtr<Layer> m_layer_being_moved;
     Gfx::IntPoint m_event_origin;
     Gfx::IntPoint m_layer_origin;

Applications/PixelPaint/PenTool.h

@@ -44,8 +44,6 @@ public:
     virtual GUI::Widget* get_properties_widget() override;
 
 private:
-    virtual const char* class_name() const override { return "PenTool"; }
-
     Gfx::IntPoint m_last_drawing_event_position { -1, -1 };
     RefPtr<GUI::Menu> m_context_menu;
     RefPtr<GUI::Widget> m_properties_widget;

Applications/PixelPaint/PickerTool.h

@@ -36,9 +36,6 @@ public:
     virtual ~PickerTool() override;
 
     virtual void on_mousedown(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& image_event) override;
-
-private:
-    virtual const char* class_name() const override { return "PickerTool"; }
 };
 
 }

Applications/PixelPaint/RectangleTool.h

@@ -51,7 +51,6 @@ private:
         Gradient,
     };
 
-    virtual const char* class_name() const override { return "RectangleTool"; }
     void draw_using(GUI::Painter&, const Gfx::IntRect&);
 
     GUI::MouseButton m_drawing_button { GUI::MouseButton::None };

Applications/PixelPaint/SprayTool.h

@@ -45,7 +45,6 @@ public:
     virtual GUI::Widget* get_properties_widget() override;
 
 private:
-    virtual const char* class_name() const override { return "SprayTool"; }
     void paint_it();
 
     RefPtr<GUI::Widget> m_properties_widget;

Applications/PixelPaint/Tool.h

@@ -38,8 +38,6 @@ class Tool {
 public:
     virtual ~Tool();
 
-    virtual const char* class_name() const = 0;
-
     virtual void on_mousedown(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
     virtual void on_mousemove(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
     virtual void on_mouseup(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
@@ -50,8 +48,6 @@ public:
     virtual void on_keyup(GUI::KeyEvent&) { }
     virtual GUI::Widget* get_properties_widget() { return nullptr; }
 
-    virtual bool is_move_tool() const { return false; }
-
     void clear() { m_editor = nullptr; }
     void setup(ImageEditor&);