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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef GLSLCODECOMPLETION_H
#define GLSLCODECOMPLETION_H
#include <texteditor/icompletioncollector.h>
#include <QtCore/QPointer>
namespace GLSLEditor {
namespace Internal {
class FunctionArgumentWidget;
class CodeCompletion: public TextEditor::ICompletionCollector
{
Q_OBJECT
public:
CodeCompletion(QObject *parent = 0);
virtual ~CodeCompletion();
/* Returns the current active ITextEditable */
virtual TextEditor::ITextEditable *editor() const;
virtual int startPosition() const;
/*
* Returns true if this completion collector can be used with the given editor.
*/
virtual bool supportsEditor(TextEditor::ITextEditable *editor) const;
/*
* Returns true if this completion collector supports the given completion policy.
*/
virtual bool supportsPolicy(TextEditor::CompletionPolicy policy) const;
/* This method should return whether the cursor is at a position which could
* trigger an autocomplete. It will be called each time a character is typed in
* the text editor.
*/
virtual bool triggersCompletion(TextEditor::ITextEditable *editor);
// returns starting position
virtual int startCompletion(TextEditor::ITextEditable *editor);
/* This method should add all the completions it wants to show into the list,
* based on the given cursor position.
*/
virtual void completions(QList<TextEditor::CompletionItem> *completions);
/**
* This method should return true when the given typed character should cause
* the selected completion item to be completed.
*/
virtual bool typedCharCompletes(const TextEditor::CompletionItem &item, QChar typedChar);
/**
* This method should complete the given completion item.
*
* \param typedChar Non-null when completion was triggered by typing a
* character. Possible values depend on typedCharCompletes()
*/
virtual void complete(const TextEditor::CompletionItem &item, QChar typedChar);
/* This method gives the completion collector a chance to partially complete
* based on a set of items. The general use case is to complete the common
* prefix shared by all possible completion items.
*
* Returns whether the completion popup should be closed.
*/
virtual bool partiallyComplete(const QList<TextEditor::CompletionItem> &completionItems);
virtual QList<TextEditor::CompletionItem> getCompletions();
virtual bool shouldRestartCompletion();
/* Called when it's safe to clean up the completion items.
*/
virtual void cleanup();
private:
QList<TextEditor::CompletionItem> m_completions;
QList<TextEditor::CompletionItem> m_keywordCompletions;
TextEditor::ITextEditable *m_editor;
int m_startPosition;
bool m_restartCompletion;
QPointer<FunctionArgumentWidget> m_functionArgumentWidget;
static bool glslCompletionItemLessThan(const TextEditor::CompletionItem &l, const TextEditor::CompletionItem &r);
int m_keywordVariant;
QIcon m_keywordIcon;
QIcon m_varIcon;
QIcon m_functionIcon;
QIcon m_typeIcon;
QIcon m_constIcon;
QIcon m_attributeIcon;
QIcon m_uniformIcon;
QIcon m_varyingIcon;
QIcon m_otherIcon;
};
} // namespace Internal
} // namespace GLSLEditor
#endif // GLSLCODECOMPLETION_H
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