/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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****************************************************************************/

#pragma once

#include "iassistproposalwidget.h"

#include "genericproposalmodel.h"

#include <texteditor/texteditor_global.h>


namespace TextEditor {

class GenericProposalWidgetPrivate;

class TEXTEDITOR_EXPORT GenericProposalWidget : public IAssistProposalWidget
{
    Q_OBJECT
    friend class GenericProposalWidgetPrivate;

public:
    GenericProposalWidget();
    ~GenericProposalWidget() override;

    void setAssistant(CodeAssistant *assistant) override;
    void setReason(AssistReason reason) override;
    void setKind(AssistKind kind) override;
    void setUnderlyingWidget(const QWidget *underlyingWidget) override;
    void setModel(ProposalModelPtr model) override;
    void setDisplayRect(const QRect &rect) override;
    void setIsSynchronized(bool isSync) override;

    bool supportsModelUpdate(const Utils::Id &proposalId) const override;
    void updateModel(ProposalModelPtr model) override;

    void showProposal(const QString &prefix) override;
    void updateProposal(const QString &prefix) override;
    void closeProposal() override;

private:
    bool updateAndCheck(const QString &prefix);
    void notifyActivation(int index);
    void abort();
    void updatePositionAndSize();
    void turnOffAutoWidth();
    void turnOnAutoWidth();

protected:
    bool eventFilter(QObject *o, QEvent *e) override;
    bool activateCurrentProposalItem();
    TextEditor::GenericProposalModelPtr model();

private:
    GenericProposalWidgetPrivate *d;
};

} // TextEditor
