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			61 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Nicholas Hollett <niax@niax.co.uk>
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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 "Profile.h"
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| #include <AK/Function.h>
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| #include <AK/Optional.h>
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| #include <LibGUI/Model.h>
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| #include <LibGUI/Painter.h>
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| #include <LibGUI/Widget.h>
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| #include <LibGfx/Color.h>
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| 
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| namespace Profiler {
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| 
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| class FlameGraphView final : public GUI::Widget
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|     , GUI::ModelClient {
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|     C_OBJECT(FlameGraphView);
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| 
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| public:
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|     virtual ~FlameGraphView() override = default;
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| 
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|     Function<void()> on_hover_change;
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| 
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|     GUI::ModelIndex hovered_index() const;
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| 
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| protected:
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|     virtual void model_did_update(unsigned flags) override;
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| 
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|     virtual void mousemove_event(GUI::MouseEvent&) override;
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|     virtual void mousedown_event(GUI::MouseEvent&) override;
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| 
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|     virtual void resize_event(GUI::ResizeEvent&) override;
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|     virtual void paint_event(GUI::PaintEvent&) override;
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| 
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| private:
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|     explicit FlameGraphView(GUI::Model&, int text_column, int width_column);
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| 
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|     struct StackBar {
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|         GUI::ModelIndex const index;
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|         Gfx::IntRect rect;
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|         bool selected;
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|     };
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| 
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|     String bar_label(StackBar const&) const;
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|     void layout_bars();
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|     void layout_children(GUI::ModelIndex& parent, int depth, int left, int right, Vector<GUI::ModelIndex>& selected);
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| 
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|     GUI::Model& m_model;
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|     int m_text_column { -1 };
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|     int m_width_column { -1 };
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|     Vector<Gfx::Color> m_colors;
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|     Vector<StackBar> m_bars;
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|     StackBar* m_hovered_bar {};
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|     Vector<GUI::ModelIndex> m_selected_indexes;
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| };
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| 
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| }
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