/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** 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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****************************************************************************/

#ifndef FUNCTIONHINTPROPOSALWIDGET_H
#define FUNCTIONHINTPROPOSALWIDGET_H

#include "iassistproposalwidget.h"

#include <utils/qtcoverride.h>

namespace TextEditor {

struct FunctionHintProposalWidgetPrivate;

class TEXTEDITOR_EXPORT FunctionHintProposalWidget : public IAssistProposalWidget
{
    Q_OBJECT

public:
    FunctionHintProposalWidget();
    ~FunctionHintProposalWidget();

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

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

protected:
    bool eventFilter(QObject *o, QEvent *e) QTC_OVERRIDE;

private slots:
    void nextPage();
    void previousPage();

private:
    bool updateAndCheck(const QString &prefix);
    void updateContent();
    void updatePosition();
    void abort();

private:
    FunctionHintProposalWidgetPrivate *d;
};

} // TextEditor

#endif // FUNCTIONHINTPROPOSALWIDGET_H