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f52c3cabcf
This enables the user to view and navigate classes with a TreeView that is updated by the LanguageServer as it parses the code. It offers a new neat way to view the project's structure :^)
78 lines
3.2 KiB
C++
78 lines
3.2 KiB
C++
/*
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* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
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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 <AK/StringView.h>
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#include <AK/Vector.h>
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#include <LibGUI/AutocompleteProvider.h>
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#include <LibGUI/TreeView.h>
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#include <LibGUI/Widget.h>
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namespace HackStudio {
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class ClassViewWidget final : public GUI::Widget {
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C_OBJECT(ClassViewWidget)
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public:
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virtual ~ClassViewWidget() override { }
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ClassViewWidget();
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void refresh();
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private:
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RefPtr<GUI::TreeView> m_class_tree;
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};
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// Note: A ClassViewNode stores a raw pointer to the Declaration from ProjectDeclarations and a StringView into its name.
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// We should take care to update the ClassViewModel whenever the declarations change, because otherwise we may be holding pointers to freed memory.
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// This is currently achieved with the on_update callback of ProjectDeclarations.
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struct ClassViewNode {
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StringView name;
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const GUI::AutocompleteProvider::Declaration* declaration { nullptr };
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NonnullOwnPtrVector<ClassViewNode> children;
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ClassViewNode* parent { nullptr };
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explicit ClassViewNode(const StringView& name)
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: name(name) {};
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};
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class ClassViewModel final : public GUI::Model {
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public:
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static RefPtr<ClassViewModel> create();
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virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
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virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return 1; }
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virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole role) const override;
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virtual void update() override { did_update(); }
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virtual GUI::ModelIndex parent_index(const GUI::ModelIndex&) const override;
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virtual GUI::ModelIndex index(int row, int column = 0, const GUI::ModelIndex& parent_index = GUI::ModelIndex()) const override;
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private:
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explicit ClassViewModel();
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void add_declaration(const GUI::AutocompleteProvider::Declaration&);
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NonnullOwnPtrVector<ClassViewNode> m_root_scope;
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};
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}
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