Userland/Applications/PixelPaint/MoveTool.h


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/*
 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include "Tool.h"

namespace PixelPaint {

class MoveTool final : public Tool {
public:
    MoveTool();
    virtual ~MoveTool() override;

    virtual void on_mousedown(Layer*, MouseEvent&) override;
    virtual void on_mousemove(Layer*, MouseEvent&) override;
    virtual void on_mouseup(Layer*, MouseEvent&) override;
    virtual void on_keydown(GUI::KeyEvent&) override;
    virtual Gfx::StandardCursor cursor() override { return Gfx::StandardCursor::Move; }

private:
    RefPtr<Layer> m_layer_being_moved;
    Gfx::IntPoint m_event_origin;
    Gfx::IntPoint m_layer_origin;

    bool m_is_panning { false };
    Gfx::FloatPoint m_saved_pan_origin;
};

}