cpptoolseditorsupport.cpp 3.9 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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** 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
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** contact the sales department at http://qt.nokia.com/contact.
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**************************************************************************/
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#include "cpptoolseditorsupport.h"
#include "cppmodelmanager.h"

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#include <coreplugin/ifile.h>

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#include <texteditor/itexteditor.h>
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#include <texteditor/basetexteditor.h>
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#include <AST.h>
#include <ASTVisitor.h>
#include <TranslationUnit.h>

#include <QtCore/QTimer>
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using namespace CppTools::Internal;
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using namespace CPlusPlus;

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CppEditorSupport::CppEditorSupport(CppModelManager *modelManager)
    : QObject(modelManager),
      _modelManager(modelManager),
      _updateDocumentInterval(UPDATE_DOCUMENT_DEFAULT_INTERVAL)
{
    _updateDocumentTimer = new QTimer(this);
    _updateDocumentTimer->setSingleShot(true);
    _updateDocumentTimer->setInterval(_updateDocumentInterval);
    connect(_updateDocumentTimer, SIGNAL(timeout()), this, SLOT(updateDocumentNow()));
}

CppEditorSupport::~CppEditorSupport()
{ }

TextEditor::ITextEditor *CppEditorSupport::textEditor() const
{ return _textEditor; }

void CppEditorSupport::setTextEditor(TextEditor::ITextEditor *textEditor)
{
    _textEditor = textEditor;

    if (! _textEditor)
        return;

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    connect(_textEditor, SIGNAL(contentsChanged()), this, SIGNAL(contentsChanged()));
    connect(this, SIGNAL(contentsChanged()), this, SLOT(updateDocument()));
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    updateDocument();
}

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QString CppEditorSupport::contents()
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{
    if (! _textEditor)
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        return QString();
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    else if (! _cachedContents.isEmpty())
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        _cachedContents = _textEditor->contents();
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    return _cachedContents;
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}

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unsigned CppEditorSupport::editorRevision() const
{
    if (_textEditor) {
        if (TextEditor::BaseTextEditor *ed = qobject_cast<TextEditor::BaseTextEditor *>(_textEditor->widget()))
            return ed->document()->revision();
    }

    return 0;
}

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int CppEditorSupport::updateDocumentInterval() const
{ return _updateDocumentInterval; }

void CppEditorSupport::setUpdateDocumentInterval(int updateDocumentInterval)
{ _updateDocumentInterval = updateDocumentInterval; }

void CppEditorSupport::updateDocument()
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{
    if (TextEditor::BaseTextEditor *edit = qobject_cast<TextEditor::BaseTextEditor*>(_textEditor->widget())) {
        const QList<QTextEdit::ExtraSelection> selections =
                edit->extraSelections(TextEditor::BaseTextEditor::CodeWarningsSelection);

        _modelManager->stopEditorSelectionsUpdate();
    }

    _updateDocumentTimer->start(_updateDocumentInterval);
}
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void CppEditorSupport::updateDocumentNow()
{
    if (_documentParser.isRunning()) {
        _updateDocumentTimer->start(_updateDocumentInterval);
    } else {
        _updateDocumentTimer->stop();
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        QStringList sourceFiles(_textEditor->file()->fileName());
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        _cachedContents = _textEditor->contents().toUtf8();
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        _documentParser = _modelManager->refreshSourceFiles(sourceFiles);
    }
}