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			37 lines
		
	
	
	
		
			865 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			865 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, the SerenityOS developers.
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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/AbstractSlider.h>
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| 
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| namespace GUI {
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| 
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| class OpacitySlider : public AbstractSlider {
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|     C_OBJECT(OpacitySlider);
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| 
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| public:
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|     virtual ~OpacitySlider() override = default;
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| 
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| protected:
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|     virtual void paint_event(PaintEvent&) 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 mousewheel_event(MouseEvent&) override;
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| 
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| private:
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|     explicit OpacitySlider(Gfx::Orientation = Gfx::Orientation::Horizontal);
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| 
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|     Gfx::IntRect frame_inner_rect() const;
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| 
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|     int value_at(Gfx::IntPoint const&) const;
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| 
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|     bool m_dragging { false };
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| };
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| 
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| }
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