mirror of
https://github.com/RGBCube/serenity
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20b74e4ede
...and use that to implement autocomplete in HackStudio. Now everyone can have autocomplete :^)
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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* Copyright (c) 2020, 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/Forward.h>
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#include <LibGUI/TextEditor.h>
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#include <LibGUI/Window.h>
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namespace GUI {
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class AutocompleteProvider {
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AK_MAKE_NONCOPYABLE(AutocompleteProvider);
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AK_MAKE_NONMOVABLE(AutocompleteProvider);
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public:
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virtual ~AutocompleteProvider() { }
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enum class CompletionKind {
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Identifier,
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};
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enum class Language {
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Unspecified,
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Cpp,
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};
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struct Entry {
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String completion;
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size_t partial_input_length { 0 };
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CompletionKind kind { CompletionKind::Identifier };
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Language language { Language::Unspecified };
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};
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virtual void provide_completions(Function<void(Vector<Entry>)>) = 0;
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void attach(TextEditor& editor)
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{
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ASSERT(!m_editor);
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m_editor = editor;
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}
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void detach() { m_editor.clear(); }
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protected:
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AutocompleteProvider() { }
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WeakPtr<TextEditor> m_editor;
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};
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class AutocompleteBox final {
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public:
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explicit AutocompleteBox(TextEditor&);
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~AutocompleteBox();
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void update_suggestions(Vector<AutocompleteProvider::Entry>&& suggestions);
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bool is_visible() const;
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void show(Gfx::IntPoint suggstion_box_location);
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void close();
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void next_suggestion();
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void previous_suggestion();
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void apply_suggestion();
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private:
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WeakPtr<TextEditor> m_editor;
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RefPtr<GUI::Window> m_popup_window;
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RefPtr<GUI::TableView> m_suggestion_view;
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};
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}
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