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			78 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <LibGUI/Widget.h>
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| 
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| namespace GUI {
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| 
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| class Splitter : public Widget {
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|     C_OBJECT(Splitter);
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| 
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| public:
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|     virtual ~Splitter() override;
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| 
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|     int first_resizee_minimum_size() { return m_first_resizee_minimum_size; }
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|     void set_first_resizee_minimum_size(int minimum_size) { m_first_resizee_minimum_size = minimum_size; }
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|     int second_resizee_minimum_size() { return m_second_resizee_minimum_size; }
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|     void set_second_resizee_minimum_size(int minimum_size) { m_second_resizee_minimum_size = minimum_size; }
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| 
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| protected:
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|     explicit Splitter(Gfx::Orientation);
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| 
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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 leave_event(Core::Event&) override;
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| 
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|     virtual void did_layout() override;
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| 
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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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|     void override_cursor(bool do_override);
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| 
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|     Gfx::Orientation m_orientation;
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|     bool m_resizing { false };
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|     bool m_overriding_cursor { 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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|     int m_first_resizee_minimum_size { 0 };
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|     int m_second_resizee_minimum_size { 0 };
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|     Gfx::IntRect m_grabbable_rect;
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| };
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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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| 
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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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| 
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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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| 
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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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| }
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