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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <LibGUI/Forward.h>
#include <LibGUI/TextEditor.h>
#include <LibGUI/Window.h>
namespace GUI {
class AutocompleteProvider {
AK_MAKE_NONCOPYABLE(AutocompleteProvider);
AK_MAKE_NONMOVABLE(AutocompleteProvider);
public:
virtual ~AutocompleteProvider() { }
enum class CompletionKind {
Identifier,
};
enum class Language {
Unspecified,
Cpp,
};
struct Entry {
String completion;
size_t partial_input_length { 0 };
CompletionKind kind { CompletionKind::Identifier };
Language language { Language::Unspecified };
};
virtual void provide_completions(Function<void(Vector<Entry>)>) = 0;
void attach(TextEditor& editor)
{
ASSERT(!m_editor);
m_editor = editor;
}
void detach() { m_editor.clear(); }
protected:
AutocompleteProvider() { }
WeakPtr<TextEditor> m_editor;
};
class AutocompleteBox final {
public:
explicit AutocompleteBox(TextEditor&);
~AutocompleteBox();
void update_suggestions(Vector<AutocompleteProvider::Entry>&& suggestions);
bool is_visible() const;
void show(Gfx::IntPoint suggstion_box_location);
void close();
void next_suggestion();
void previous_suggestion();
void apply_suggestion();
private:
WeakPtr<TextEditor> m_editor;
RefPtr<GUI::Window> m_popup_window;
RefPtr<GUI::TableView> m_suggestion_view;
};
}
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