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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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/private/qtguiglobal_p.h>
#include "QtGui/qabstracttextdocumentlayout.h"
#include "QtGui/qtextoption.h"
#include "QtGui/qtextobject.h"
QT_BEGIN_NAMESPACE
class QTextListFormat;
class QTextTableCell;
class QTextDocumentLayoutPrivate;
class Q_GUI_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) override;
int hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const override;
int pageCount() const override;
QSizeF documentSize() const override;
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 override;
virtual QRectF blockBoundingRect(const QTextBlock &block) const override;
QRectF tableBoundingRect(QTextTable *table) const;
QRectF tableCellBoundingRect(QTextTable *table, const QTextTableCell &cell) 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) override;
void resizeInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format) override;
void positionInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format) override;
void drawInlineObject(QPainter *p, const QRectF &rect, QTextInlineObject item,
int posInDocument, const QTextFormat &format) override;
virtual void timerEvent(QTimerEvent *e) override;
private:
QRectF doLayout(int from, int oldLength, int length);
void layoutFinished();
};
QT_END_NAMESPACE
#endif // QTEXTDOCUMENTLAYOUT_P_H
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