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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/gui/text/qtextdocumentlayout_p.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 QTEXTDOCUMENTLAYOUT_P_H
+#define QTEXTDOCUMENTLAYOUT_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtGui/qabstracttextdocumentlayout.h"
+#include "QtGui/qtextoption.h"
+#include "QtGui/qtextobject.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTextListFormat;
+
+class QTextDocumentLayoutPrivate;
+
+class Q_AUTOTEST_EXPORT QTextDocumentLayout : public QAbstractTextDocumentLayout
+{
+ Q_DECLARE_PRIVATE(QTextDocumentLayout)
+ Q_OBJECT
+ Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth)
+ Q_PROPERTY(qreal idealWidth READ idealWidth)
+ Q_PROPERTY(bool contentHasAlignment READ contentHasAlignment)
+public:
+ explicit QTextDocumentLayout(QTextDocument *doc);
+
+ // from the abstract layout
+ void draw(QPainter *painter, const PaintContext &context);
+ int hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const;
+
+ int pageCount() const;
+ QSizeF documentSize() const;
+
+ void setCursorWidth(int width);
+ int cursorWidth() const;
+
+ // internal, to support the ugly FixedColumnWidth wordwrap mode in QTextEdit
+ void setFixedColumnWidth(int width);
+
+ // internal for QTextEdit's NoWrap mode
+ void setViewport(const QRectF &viewport);
+
+ virtual QRectF frameBoundingRect(QTextFrame *frame) const;
+ virtual QRectF blockBoundingRect(const QTextBlock &block) const;
+
+ // ####
+ int layoutStatus() const;
+ int dynamicPageCount() const;
+ QSizeF dynamicDocumentSize() const;
+ void ensureLayouted(qreal);
+
+ qreal idealWidth() const;
+
+ bool contentHasAlignment() const;
+
+protected:
+ void documentChanged(int from, int oldLength, int length);
+ void resizeInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format);
+ void positionInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format);
+ void drawInlineObject(QPainter *p, const QRectF &rect, QTextInlineObject item,
+ int posInDocument, const QTextFormat &format);
+ virtual void timerEvent(QTimerEvent *e);
+private:
+ QRectF doLayout(int from, int oldLength, int length);
+ void layoutFinished();
+};
+
+QT_END_NAMESPACE
+
+#endif // QTEXTDOCUMENTLAYOUT_P_H