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Serenity Operating System
1/*
2 * Copyright (c) 2021-2022, the SerenityOS developers.
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include "Tree.h"
10#include <AK/DeprecatedString.h>
11#include <LibGUI/Frame.h>
12#include <LibGfx/Rect.h>
13
14namespace SpaceAnalyzer {
15
16class TreeMapWidget final : public GUI::Frame {
17 C_OBJECT(TreeMapWidget)
18
19public:
20 virtual ~TreeMapWidget() override = default;
21 Function<void()> on_path_change;
22 Function<void(GUI::ContextMenuEvent&)> on_context_menu_request;
23 size_t path_size() const;
24 TreeNode const* path_node(size_t n) const;
25 size_t viewpoint() const;
26 void set_viewpoint(size_t);
27 ErrorOr<void> analyze(GUI::Statusbar&);
28
29private:
30 TreeMapWidget() = default;
31 virtual void paint_event(GUI::PaintEvent&) override;
32 virtual void mousemove_event(GUI::MouseEvent&) override;
33 virtual void mousedown_event(GUI::MouseEvent&) override;
34 virtual void doubleclick_event(GUI::MouseEvent&) override;
35 virtual void mousewheel_event(GUI::MouseEvent&) override;
36 virtual void context_menu_event(GUI::ContextMenuEvent&) override;
37 virtual void keydown_event(GUI::KeyEvent&) override;
38
39 bool rect_can_contain_label(Gfx::IntRect const& rect) const;
40
41 enum class HasLabel {
42 Yes,
43 No
44 };
45 enum class IsRemainder {
46 Yes,
47 No
48 };
49
50 template<typename Function>
51 void lay_out_children(TreeNode const&, Gfx::IntRect const&, int depth, Function);
52 void paint_cell_frame(GUI::Painter&, TreeNode const&, Gfx::IntRect const&, Gfx::IntRect const&, int depth, HasLabel has_label) const;
53 Vector<DeprecatedString> path_to_position(Gfx::IntPoint);
54 void recalculate_path_for_new_tree();
55
56 OwnPtr<Tree> m_tree;
57 Vector<DeprecatedString> m_path_segments;
58 size_t m_viewpoint { 0 }; // Current position within m_path_segments.
59 void const* m_selected_node_cache;
60};
61
62}