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Andrew den Exter authored
Adjust the mouse position to compensate for any alignment offsets and test the elided text layout for anchors if none is found in the normal layout. Change-Id: Idfda3f7e372d0f2d6c1b7bb5f22d7015d52e8239 Reviewed-by:Yann Bodson <yann.bodson@nokia.com>
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/******************************************************************************** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).** Contact: http://www.qt-project.org/**** This file is part of the QtQml module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** GNU Lesser General Public License Usage** 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.**** 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.**** Other Usage** Alternatively, this file may be used in accordance with the terms and** conditions contained in a signed written agreement between you and Nokia.************** $QT_END_LICENSE$******************************************************************************/#ifndef QQUICKTEXT_P_P_H#define QQUICKTEXT_P_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 "qquicktext_p.h"#include "qquickimplicitsizeitem_p_p.h"#include <QtQml/qqml.h>#include <QtGui/qabstracttextdocumentlayout.h>#include <QtGui/qtextlayout.h>#include <private/qquickstyledtext_p.h>#include <private/qlazilyallocated_p.h>QT_BEGIN_NAMESPACEclass QTextLayout;class QQuickTextDocumentWithImageResources;class Q_AUTOTEST_EXPORT QQuickTextPrivate : public QQuickImplicitSizeItemPrivate7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
{
Q_DECLARE_PUBLIC(QQuickText)
public:
QQuickTextPrivate();
~QQuickTextPrivate();
void init();
void updateBaseline(qreal baseline, qreal dy);
void updateSize();
void updateLayout();
bool determineHorizontalAlignment();
bool setHAlign(QQuickText::HAlignment, bool forceAlign = false);
void mirrorChange();
bool isLineLaidOutConnected();
void setLineGeometry(QTextLine &line, qreal lineWidth, qreal &height);
QString elidedText(qreal lineWidth, const QTextLine &line, QTextLine *nextLine = 0) const;
void elideFormats(int start, int length, int offset, QList<QTextLayout::FormatRange> *elidedFormats);
QRectF layedOutTextRect;
struct ExtraData {
ExtraData();
qreal lineHeight;
QQuickTextDocumentWithImageResources *doc;
QString activeLink;
int minimumPixelSize;
int minimumPointSize;
int nbActiveDownloads;
int maximumLineCount;
QQuickText::LineHeightMode lineHeightMode;
QQuickText::FontSizeMode fontSizeMode;
};
QLazilyAllocated<ExtraData> extra;
QString text;
QUrl baseUrl;
QFont font;
QFont sourceFont;
QList<QQuickStyledTextImgTag*> imgTags;
QList<QQuickStyledTextImgTag*> visibleImgTags;
QTextLayout layout;
QTextLayout *elideLayout;
QQuickTextLine *textLine;
#if defined(Q_OS_MAC)
QList<QRectF> linesRects;
QThread *layoutThread;
QThread *paintingThread;
#endif
QRgb color;
QRgb linkColor;
QRgb styleColor;
int lineCount;
int multilengthEos;
enum UpdateType {
UpdateNone,
UpdatePreprocess,
UpdatePaintNode
};
QQuickText::TextElideMode elideMode;
QQuickText::HAlignment hAlign;
QQuickText::VAlignment vAlign;
QQuickText::TextFormat format;
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QQuickText::WrapMode wrapMode;
QQuickText::TextStyle style;
UpdateType updateType;
bool maximumLineCountValid:1;
bool updateOnComponentComplete:1;
bool richText:1;
bool styledText:1;
bool singleline:1;
bool internalWidthUpdate:1;
bool requireImplicitWidth:1;
bool truncated:1;
bool hAlignImplicit:1;
bool rightToLeftText:1;
bool layoutTextElided:1;
bool textHasChanged:1;
bool needToUpdateLayout:1;
bool formatModifiesFontSize:1;
static const QChar elideChar;
virtual qreal getImplicitWidth() const;
void ensureDoc();
QRectF setupTextLayout(qreal *const naturalWidth, qreal * const baseline);
void setupCustomLineGeometry(QTextLine &line, qreal &height, int lineOffset = 0);
bool isLinkActivatedConnected();
static QString anchorAt(const QTextLayout *layout, const QPointF &mousePos);
QString anchorAt(const QPointF &pos) const;
inline qreal lineHeight() const { return extra.isAllocated() ? extra->lineHeight : 1.0; }
inline int maximumLineCount() const { return extra.isAllocated() ? extra->maximumLineCount : INT_MAX; }
inline QQuickText::LineHeightMode lineHeightMode() const { return extra.isAllocated() ? extra->lineHeightMode : QQuickText::ProportionalHeight; }
inline QQuickText::FontSizeMode fontSizeMode() const { return extra.isAllocated() ? extra->fontSizeMode : QQuickText::FixedSize; }
inline int minimumPixelSize() const { return extra.isAllocated() ? extra->minimumPixelSize : 12; }
inline int minimumPointSize() const { return extra.isAllocated() ? extra->minimumPointSize : 12; }
static inline QQuickTextPrivate *get(QQuickText *t) { return t->d_func(); }
};
class QQuickPixmap;
class QQuickTextDocumentWithImageResources : public QTextDocument, public QTextObjectInterface
{
Q_OBJECT
Q_INTERFACES(QTextObjectInterface)
public:
QQuickTextDocumentWithImageResources(QQuickItem *parent);
virtual ~QQuickTextDocumentWithImageResources();
void setText(const QString &);
int resourcesLoading() const { return outstanding; }
void clearResources();
void clear();
QSizeF intrinsicSize(QTextDocument *doc, int posInDocument, const QTextFormat &format);
void drawObject(QPainter *p, const QRectF &rect, QTextDocument *doc, int posInDocument, const QTextFormat &format);
QImage image(const QTextImageFormat &format);
void setBaseUrl(const QUrl &url, bool clear = true);
Q_SIGNALS:
void imagesLoaded();
protected:
QVariant loadResource(int type, const QUrl &name);
QQuickPixmap *loadPixmap(QQmlContext *context, const QUrl &name);
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private slots:
void requestFinished();
private:
QHash<QUrl, QQuickPixmap *> m_resources;
QUrl m_baseUrl;
int outstanding;
static QSet<QUrl> errors;
};
QT_END_NAMESPACE
#endif // QQUICKTEXT_P_P_H