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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/Widget.h>
namespace GUI {
class Splitter : public Widget {
C_OBJECT(Splitter);
public:
virtual ~Splitter() override;
int first_resizee_minimum_size() { return m_first_resizee_minimum_size; }
void set_first_resizee_minimum_size(int minimum_size) { m_first_resizee_minimum_size = minimum_size; }
int second_resizee_minimum_size() { return m_second_resizee_minimum_size; }
void set_second_resizee_minimum_size(int minimum_size) { m_second_resizee_minimum_size = minimum_size; }
protected:
explicit Splitter(Gfx::Orientation);
virtual void paint_event(PaintEvent&) override;
virtual void resize_event(ResizeEvent&) override;
virtual void mousedown_event(MouseEvent&) override;
virtual void mousemove_event(MouseEvent&) override;
virtual void mouseup_event(MouseEvent&) override;
virtual void leave_event(Core::Event&) override;
virtual void did_layout() override;
private:
void recompute_grabbable_rect(const Widget&, const Widget&);
bool get_resize_candidates_at(const Gfx::IntPoint&, Widget*&, Widget*&);
void override_cursor(bool do_override);
Gfx::Orientation m_orientation;
bool m_resizing { false };
bool m_overriding_cursor { false };
Gfx::IntPoint m_resize_origin;
WeakPtr<Widget> m_first_resizee;
WeakPtr<Widget> m_second_resizee;
Gfx::IntSize m_first_resizee_start_size;
Gfx::IntSize m_second_resizee_start_size;
int m_first_resizee_minimum_size { 0 };
int m_second_resizee_minimum_size { 0 };
Gfx::IntRect m_grabbable_rect;
};
class VerticalSplitter final : public Splitter {
C_OBJECT(VerticalSplitter)
public:
virtual ~VerticalSplitter() override { }
private:
VerticalSplitter()
: Splitter(Gfx::Orientation::Vertical)
{
}
};
class HorizontalSplitter final : public Splitter {
C_OBJECT(HorizontalSplitter)
public:
virtual ~HorizontalSplitter() override { }
private:
HorizontalSplitter()
: Splitter(Gfx::Orientation::Horizontal)
{
}
};
}
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