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** GNU General Public License Usage | |
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#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_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); | |
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); | |
// TODO: remove when we support line height properly in 4.8 | |
enum LineHeightMode { ProportionalHeight, FixedHeight }; | |
void setLineHeight(qreal lineHeight, QTextDocumentLayout::LineHeightMode mode); | |
private: | |
QRectF doLayout(int from, int oldLength, int length); | |
void layoutFinished(); | |
}; | |
QT_END_NAMESPACE | |
#endif // QTEXTDOCUMENTLAYOUT_P_H |