qmllivetextpreview.h 3.69 KB
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/**************************************************************************
**
** This file is part of Qt Creator
**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
**
** GNU Lesser General Public License Usage
**
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** 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.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
**************************************************************************/

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#ifndef QMLLIVETEXTPREVIEW_H
#define QMLLIVETEXTPREVIEW_H
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#include <QObject>
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#include <texteditor/basetexteditor.h>
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#include <qmljs/qmljsdocument.h>

namespace Core {
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class IEditor;
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}

namespace QmlJS {
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class ModelManagerInterface;
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}

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namespace Debugger {
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namespace Internal {

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class UpdateInspector;
class QmlInspectorAdapter;
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class QmlLiveTextPreview : public QObject
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{
    Q_OBJECT
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public:
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    QmlLiveTextPreview(const QmlJS::Document::Ptr &doc,
                       const QmlJS::Document::Ptr &initDoc,
                       QmlInspectorAdapter *inspectorAdapter,
                       QObject *parent = 0);
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    void associateEditor(Core::IEditor *editor);
    void unassociateEditor(Core::IEditor *editor);
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    void resetInitialDoc(const QmlJS::Document::Ptr &doc);
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signals:
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    void selectedItemsChanged(const QList<int> &debugIds);
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    void fetchObjectsForLocation(const QString &file,
                                         int lineNumber, int columnNumber);
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public slots:
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    void setApplyChangesToQmlInspector(bool applyChanges);
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    void updateDebugIds();
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private slots:
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    void changeSelectedElements(const QList<QmlJS::AST::UiObjectMember *> offsets,
                                const QString &wordAtCursor);
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    void documentChanged(QmlJS::Document::Ptr doc);

private:
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    enum UnsyncronizableChangeType {
        NoUnsyncronizableChanges,
        AttributeChangeWarning,
        ElementChangeWarning
    };

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    bool changeSelectedElements(const QList<int> offsets, const QString &wordAtCursor);
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    QList<int> objectReferencesForOffset(quint32 offset);
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    void showSyncWarning(UnsyncronizableChangeType unsyncronizableChangeType,
                         const QString &elementName,
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                         unsigned line, unsigned column);
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private:
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    QHash<QmlJS::AST::UiObjectMember*, QList<int> > m_debugIds;
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    QHash<QmlJS::Document::Ptr, QSet<QmlJS::AST::UiObjectMember *> > m_createdObjects;
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    QmlJS::Document::Ptr m_previousDoc;
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    QmlJS::Document::Ptr m_initialDoc; //the document that was loaded by the server
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    QList<QPointer<TextEditor::BaseTextEditorWidget> > m_editors;
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    bool m_applyChangesToQmlInspector;
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    QmlJS::Document::Ptr m_docWithUnappliedChanges;
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    QmlInspectorAdapter *m_inspectorAdapter;
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    QList<int> m_lastOffsets;
    QmlJS::AST::UiObjectMember *m_nodeForOffset;
    bool m_updateNodeForOffset;
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    friend class UpdateInspector;
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};

} // namespace Internal
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} // namespace Debugger
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#endif // QMLLIVETEXTPREVIEW_H