mirror of
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91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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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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struct TreeMapNode {
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virtual String name() const = 0;
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virtual int64_t area() const = 0;
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virtual size_t num_children() const = 0;
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virtual const TreeMapNode& child_at(size_t i) const = 0;
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virtual void sort_children_by_area() const = 0;
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};
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struct TreeMap : public RefCounted<TreeMap> {
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virtual ~TreeMap() { }
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virtual const TreeMapNode& root() const = 0;
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};
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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;
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Function<void()> on_path_change;
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size_t path_size() const;
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const TreeMapNode* 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<TreeMap> tree);
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private:
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TreeMapWidget();
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virtual void paint_event(GUI::PaintEvent&) 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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bool rect_can_contain_children(const Gfx::IntRect& rect) const;
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bool rect_can_contain_label(const Gfx::IntRect& rect) const;
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Gfx::IntRect inner_rect_for_frame(const Gfx::IntRect& rect) const;
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enum class IsVisualLeaf {
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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(const TreeMapNode&, const Gfx::IntRect&, int depth, Function);
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void paint_cell_frame(GUI::Painter&, const TreeMapNode&, const Gfx::IntRect&, int depth, bool fill) const;
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Vector<int> path_to_position(const Gfx::IntPoint&);
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RefPtr<TreeMap> m_tree;
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Vector<int> m_path;
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size_t m_viewpoint;
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const void* m_selected_node_cache;
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};
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}
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