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https://github.com/RGBCube/serenity
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c045ae1a96
The tree map widget keeps the current path to allow the user to navigate between directories. This path was being kept as indices into the children array. The indices might change after the tree is regenerated and this change is required to keep the user's current place after a re-analysis
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021-2022, 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 "Tree.h"
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#include <AK/DeprecatedString.h>
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#include <LibGUI/Frame.h>
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#include <LibGfx/Rect.h>
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namespace SpaceAnalyzer {
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class TreeMapWidget final : public GUI::Frame {
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C_OBJECT(TreeMapWidget)
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public:
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virtual ~TreeMapWidget() override = default;
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Function<void()> on_path_change;
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Function<void(GUI::ContextMenuEvent&)> on_context_menu_request;
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size_t path_size() const;
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TreeNode const* path_node(size_t n) const;
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size_t viewpoint() const;
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void set_viewpoint(size_t);
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void set_tree(RefPtr<Tree> tree);
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private:
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TreeMapWidget() = default;
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virtual void paint_event(GUI::PaintEvent&) override;
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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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virtual void doubleclick_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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virtual void context_menu_event(GUI::ContextMenuEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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bool rect_can_contain_label(Gfx::IntRect const& rect) const;
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enum class HasLabel {
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Yes,
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No
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};
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enum class IsRemainder {
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Yes,
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No
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};
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template<typename Function>
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void lay_out_children(TreeNode const&, Gfx::IntRect const&, int depth, Function);
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void paint_cell_frame(GUI::Painter&, TreeNode const&, Gfx::IntRect const&, Gfx::IntRect const&, int depth, HasLabel has_label) const;
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Vector<DeprecatedString> path_to_position(Gfx::IntPoint);
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RefPtr<Tree> m_tree;
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Vector<DeprecatedString> m_path;
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size_t m_viewpoint { 0 };
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void const* m_selected_node_cache;
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};
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}
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