src/gui/text/qtextcursor_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qtextcursor_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTCURSOR_P_H
+#define QTEXTCURSOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtextcursor.h"
+#include "qtextdocument.h"
+#include "qtextdocument_p.h"
+#include <private/qtextformat_p.h>
+#include "qtextobject.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTextCursorPrivate : public QSharedData
+{
+public:
+    QTextCursorPrivate(QTextDocumentPrivate *p);
+    QTextCursorPrivate(const QTextCursorPrivate &rhs);
+    ~QTextCursorPrivate();
+
+    enum AdjustResult { CursorMoved, CursorUnchanged };
+    AdjustResult adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op);
+
+    void adjustCursor(QTextCursor::MoveOperation m);
+
+    void remove();
+    void clearCells(QTextTable *table, int startRow, int startCol, int numRows, int numCols, QTextUndoCommand::Operation op);
+    inline bool setPosition(int newPosition) {
+        Q_ASSERT(newPosition >= 0 && newPosition < priv->length());
+        bool moved = position != newPosition;
+        if (moved) {
+            position = newPosition;
+            currentCharFormat = -1;
+        }
+        return moved;
+    }
+    void setX();
+    bool canDelete(int pos) const;
+
+    void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat);
+    bool movePosition(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
+
+    inline QTextBlock block() const
+        { return QTextBlock(priv, priv->blockMap().findNode(position)); }
+    inline QTextBlockFormat blockFormat() const
+        { return block().blockFormat(); }
+
+    QTextLayout *blockLayout(QTextBlock &block) const;
+
+    QTextTable *complexSelectionTable() const;
+    void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const;
+
+    void setBlockCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
+    void setBlockFormat(const QTextBlockFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
+    void setCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
+
+    void aboutToRemoveCell(int from, int to);
+
+    QTextDocumentPrivate *priv;
+    qreal x;
+    int position;
+    int anchor;
+    int adjusted_anchor;
+    int currentCharFormat;
+    bool visualNavigation;
+};
+
+QT_END_NAMESPACE
+
+#endif // QTEXTCURSOR_P_H