PaintBrush: Add a "rectangle tool"

Fill, line, and gradient modes initially supported :^)

1 files changed, 36 insertions, 0 deletions

diff --git a/Applications/PaintBrush/RectangleTool.h b/Applications/PaintBrush/RectangleTool.h
new file mode 100644
index 0000000000..36f2616855
--- /dev/null
+++ b/Applications/PaintBrush/RectangleTool.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "Tool.h"
+#include <LibDraw/Point.h>
+
+class GMenu;
+class Painter;
+
+class RectangleTool final : public Tool {
+public:
+    RectangleTool();
+    virtual ~RectangleTool() override;
+
+    virtual void on_mousedown(GMouseEvent&) override;
+    virtual void on_mousemove(GMouseEvent&) override;
+    virtual void on_mouseup(GMouseEvent&) override;
+    virtual void on_contextmenu(GContextMenuEvent&) override;
+    virtual void on_second_paint(GPaintEvent&) override;
+    virtual void on_keydown(GKeyEvent&) override;
+
+private:
+    enum class Mode {
+        Outline,
+        Fill,
+        Gradient,
+    };
+
+    virtual const char* class_name() const override { return "RectangleTool"; }
+    void draw_using(Painter& painter);
+
+    GMouseButton m_drawing_button { GMouseButton::None };
+    Point m_rectangle_start_position;
+    Point m_rectangle_end_position;
+    RefPtr<GMenu> m_context_menu;
+    Mode m_mode { Mode::Outline };
+};