mirror of
				https://github.com/LadybirdBrowser/ladybird.git
				synced 2025-11-03 23:00:58 +00:00 
			
		
		
		
	This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much better visual clue about what type of metric is being used.
		
			
				
	
	
		
			89 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice, this
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 *    list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#pragma once
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#include <LibGUI/Frame.h>
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namespace GUI {
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class Splitter : public Frame {
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    C_OBJECT(Splitter)
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public:
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    virtual ~Splitter() override;
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protected:
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    explicit Splitter(Gfx::Orientation);
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    virtual void paint_event(PaintEvent&) override;
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    virtual void resize_event(ResizeEvent&) override;
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    virtual void mousedown_event(MouseEvent&) override;
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    virtual void mousemove_event(MouseEvent&) override;
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    virtual void mouseup_event(MouseEvent&) override;
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    virtual void enter_event(Core::Event&) override;
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    virtual void leave_event(Core::Event&) override;
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    virtual void did_layout() override;
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private:
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    void recompute_grabbable_rect(const Widget&, const Widget&);
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    bool get_resize_candidates_at(const Gfx::IntPoint&, Widget*&, Widget*&);
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    Gfx::Orientation m_orientation;
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    bool m_resizing { false };
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    Gfx::IntPoint m_resize_origin;
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    WeakPtr<Widget> m_first_resizee;
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    WeakPtr<Widget> m_second_resizee;
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    Gfx::IntSize m_first_resizee_start_size;
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    Gfx::IntSize m_second_resizee_start_size;
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    Gfx::IntRect m_grabbable_rect;
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};
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class VerticalSplitter final : public Splitter {
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    C_OBJECT(VerticalSplitter)
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public:
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    virtual ~VerticalSplitter() override {}
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private:
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    VerticalSplitter()
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        : Splitter(Gfx::Orientation::Vertical)
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    {
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    }
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};
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class HorizontalSplitter final : public Splitter {
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    C_OBJECT(HorizontalSplitter)
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public:
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    virtual ~HorizontalSplitter() override {}
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private:
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    HorizontalSplitter()
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        : Splitter(Gfx::Orientation::Horizontal)
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    {
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    }
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};
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}
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