qt-creator/src/plugins/texteditor/completionwidget.h

/***************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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** Contact:  Qt Software Information (qt-info@nokia.com)
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** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
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** GNU General Public License Usage
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** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
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#ifndef COMPLETIONWIDGET_H
#define COMPLETIONWIDGET_H

#include <QtGui/QListView>
#include <QPointer>

class AutoCompletionModel;

namespace TextEditor {

struct CompletionItem;
class ITextEditable;

namespace Internal {

class CompletionSupport;

/* The completion widget is responsible for showing a list of possible completions.
   It is only used by the CompletionSupport.
 */
class CompletionWidget : public QListView
{
    Q_OBJECT

public:
    CompletionWidget(CompletionSupport *support, ITextEditable *editor);

    void setCompletionItems(const QList<TextEditor::CompletionItem> &completionitems);
    void showCompletions(int startPos);
    void keyboardSearch(const QString &search);
    void closeList(const QModelIndex &index = QModelIndex());

protected:
    bool event(QEvent *e);

signals:
    void itemSelected(const TextEditor::CompletionItem &item);
    void completionListClosed();

private slots:
    void completionActivated(const QModelIndex &index);

private:
    void updateSize();

    QPointer<QFrame> m_popupFrame;
    bool m_blockFocusOut;
    ITextEditable *m_editor;
    QWidget *m_editorWidget;
    AutoCompletionModel *m_model;
    CompletionSupport *m_support;
};

} // namespace Internal
} // namespace TextEditor

#endif // COMPLETIONWIDGET_H