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7070713ec8
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021, 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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#pragma once
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#include <LibGUI/Widget.h>
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namespace Profiler {
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class Profile;
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class TimelineTrack;
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class TimelineView final : public GUI::Widget {
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C_OBJECT(TimelineView);
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public:
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virtual ~TimelineView() override = default;
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Function<void()> on_selection_change;
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Function<void()> on_scale_change;
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float scale() const { return m_scale; }
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bool is_selecting() const { return m_selecting; }
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u64 select_start_time() const { return m_select_start_time; }
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u64 select_end_time() const { return m_select_end_time; }
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u64 hover_time() const { return m_hover_time; }
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void set_selecting(bool value)
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{
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if (m_selecting == value)
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return;
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m_selecting = value;
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}
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void set_select_start_time(u64 value)
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{
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if (m_select_start_time == value)
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return;
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m_select_start_time = value;
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update();
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if (on_selection_change)
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on_selection_change();
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}
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void set_select_end_time(u64 value)
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{
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if (m_select_end_time == value)
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return;
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m_select_end_time = value;
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update();
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if (on_selection_change)
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on_selection_change();
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}
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void set_hover_time(u64 value)
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{
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if (m_hover_time == value)
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return;
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m_hover_time = value;
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update();
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if (on_selection_change)
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on_selection_change();
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}
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private:
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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explicit TimelineView(Profile&);
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u64 timestamp_at_x(int x) const;
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Profile& m_profile;
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bool m_selecting { false };
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u64 m_select_start_time { 0 };
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u64 m_select_end_time { 0 };
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u64 m_hover_time { 0 };
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float m_scale { 10 };
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};
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}
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