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/*
* Copyright (c) 2021, Nicholas Hollett <niax@niax.co.uk>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Profile.h"
#include <AK/Function.h>
#include <AK/Optional.h>
#include <LibGUI/Model.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGfx/Color.h>
namespace Profiler {
class FlameGraphView final : public GUI::Widget
, GUI::ModelClient {
C_OBJECT(FlameGraphView);
public:
virtual ~FlameGraphView() override = default;
Function<void()> on_hover_change;
GUI::ModelIndex hovered_index() const;
protected:
virtual void model_did_update(unsigned flags) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void resize_event(GUI::ResizeEvent&) override;
virtual void paint_event(GUI::PaintEvent&) override;
private:
explicit FlameGraphView(GUI::Model&, int text_column, int width_column);
struct StackBar {
GUI::ModelIndex const index;
Gfx::IntRect rect;
bool selected;
};
String bar_label(StackBar const&) const;
void layout_bars();
void layout_children(GUI::ModelIndex& parent, int depth, int left, int right, Vector<GUI::ModelIndex>& selected);
GUI::Model& m_model;
int m_text_column { -1 };
int m_width_column { -1 };
Vector<Gfx::Color> m_colors;
Vector<StackBar> m_bars;
StackBar* m_hovered_bar {};
Vector<GUI::ModelIndex> m_selected_indexes;
};
}
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