diff options
Diffstat (limited to 'src/gui/text/qtextdocumentlayout_p.h')
-rw-r--r-- | src/gui/text/qtextdocumentlayout_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/gui/text/qtextdocumentlayout_p.h b/src/gui/text/qtextdocumentlayout_p.h new file mode 100644 index 0000000..d0206ab --- /dev/null +++ b/src/gui/text/qtextdocumentlayout_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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 |