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+/****************************************************************************
+** $Id$
+**
+** Internal header file.
+**
+** Created :
+**
+** Copyright (C) 2001 Trolltech AS. All rights reserved.
+**
+** This file is part of the kernel module of the Qt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.QPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+** information about Qt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for QPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#ifndef QCOMPLEXTEXT_H
+#define QCOMPLEXTEXT_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of Qt Remote Control. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#ifndef QT_H
+#include <qstring.h>
+#include <qpointarray.h>
+#include <qfont.h>
+#include <qpainter.h>
+#include <qptrlist.h>
+#include <qshared.h>
+#endif // QT_H
+
+#ifndef QT_NO_COMPLEXTEXT
+
+// bidi helper classes. Internal to Qt
+struct Q_EXPORT QBidiStatus {
+ QBidiStatus() {
+ eor = QChar::DirON;
+ lastStrong = QChar::DirON;
+ last = QChar:: DirON;
+ }
+ QChar::Direction eor;
+ QChar::Direction lastStrong;
+ QChar::Direction last;
+};
+
+struct Q_EXPORT QBidiContext : public QShared {
+ // ### ref and deref parent?
+ QBidiContext( uchar level, QChar::Direction embedding, QBidiContext *parent = 0, bool override = FALSE );
+ ~QBidiContext();
+
+ unsigned char level;
+ bool override : 1;
+ QChar::Direction dir : 5;
+
+ QBidiContext *parent;
+};
+
+struct Q_EXPORT QBidiControl {
+ QBidiControl() { context = 0; }
+ QBidiControl( QBidiContext *c, QBidiStatus s)
+ { context = c; if( context ) context->ref(); status = s; }
+ ~QBidiControl() { if ( context && context->deref() ) delete context; }
+ void setContext( QBidiContext *c ) { if ( context == c ) return; if ( context && context->deref() ) delete context; context = c; context->ref(); }
+ QBidiContext *context;
+ QBidiStatus status;
+};
+
+struct Q_EXPORT QTextRun {
+ QTextRun(int _start, int _stop, QBidiContext *context, QChar::Direction dir);
+
+ int start;
+ int stop;
+ // explicit + implicit levels here
+ uchar level;
+};
+
+class Q_EXPORT QComplexText {
+public:
+ static QString shapedString( const QString &str, int from = 0, int len = -1, QPainter::TextDirection dir = QPainter::Auto, const QFontMetrics *fm = 0);
+ static QChar shapedCharacter(const QString &str, int pos, const QFontMetrics *fm = 0);
+
+ // positions non spacing marks relative to the base character at position pos.
+ static QPointArray positionMarks( QFontPrivate *f, const QString &str, int pos, QRect *boundingRect = 0 );
+
+ static QPtrList<QTextRun> *bidiReorderLine( QBidiControl *control, const QString &str, int start, int len,
+ QChar::Direction basicDir = QChar::DirON );
+ static QString bidiReorderString( const QString &str, QChar::Direction basicDir = QChar::DirON );
+};
+
+
+#endif //QT_NO_COMPLEXTEXT
+
+#endif