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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 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>
#include <private/qquicktextdocument_p.h>
QT_BEGIN_NAMESPACE
class QTextLayout;
class Q_QUICK_EXPORT QQuickTextPrivate : public QQuickImplicitSizeItemPrivate
{
Q_DECLARE_PUBLIC(QQuickText)
public:
QQuickTextPrivate();
~QQuickTextPrivate();
void init();
void updateBaseline(qreal baseline, qreal dy);
void updateSize();
void signalSizeChange(const QSizeF &previousSize);
void updateLayout();
bool determineHorizontalAlignment();
bool setHAlign(QQuickText::HAlignment, bool forceAlign = false);
void mirrorChange() override;
bool isLineLaidOutConnected();
void setLineGeometry(QTextLine &line, qreal lineWidth, qreal &height);
int lineHeightOffset() const;
QString elidedText(qreal lineWidth, const QTextLine &line, const QTextLine *nextLine = nullptr) const;
void elideFormats(int start, int length, int offset, QVector<QTextLayout::FormatRange> *elidedFormats);
void clearFormats();
void processHoverEvent(QHoverEvent *event);
bool transformChanged(QQuickItem *transformedItem) override;
QRectF layedOutTextRect;
QSizeF advance;
struct ExtraData {
ExtraData();
qreal padding;
qreal topPadding;
qreal leftPadding;
qreal rightPadding;
qreal bottomPadding;
bool explicitTopPadding : 1;
bool explicitLeftPadding : 1;
bool explicitRightPadding : 1;
bool explicitBottomPadding : 1;
qreal lineHeight;
QTextDocument *doc;
QQuickTextImageHandler *imageHandler = nullptr;
QString activeLink;
QString hoveredLink;
int minimumPixelSize;
int minimumPointSize;
int nbActiveDownloads;
int maximumLineCount;
int renderTypeQuality;
bool lineHeightValid : 1;
QQuickText::LineHeightMode lineHeightMode;
QQuickText::FontSizeMode fontSizeMode;
QList<QQuickStyledTextImgTag*> imgTags;
QList<QQuickStyledTextImgTag*> visibleImgTags;
QList<QQuickPixmap *> pixmapsInProgress;
QUrl baseUrl;
};
QLazilyAllocated<ExtraData> extra;
QString text;
QFont font;
QFont sourceFont;
QFontInfo fontInfo;
QTextLayout layout;
QTextLayout *elideLayout;
QQuickTextLine *textLine;
qreal lineWidth;
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;
QQuickText::WrapMode wrapMode;
QQuickText::TextStyle style;
QQuickText::RenderType renderType;
UpdateType updateType;
QString assignedFont;
bool maximumLineCountValid:1;
bool updateOnComponentComplete:1;
bool richText:1;
bool styledText:1;
bool markdownText:1;
bool widthExceeded:1;
bool heightExceeded:1;
bool internalWidthUpdate:1;
bool requireImplicitSize:1;
bool implicitWidthValid:1;
bool implicitHeightValid:1;
bool truncated:1;
bool hAlignImplicit:1;
bool rightToLeftText:1;
bool layoutTextElided:1;
bool textHasChanged:1;
bool needToUpdateLayout:1;
bool formatModifiesFontSize:1;
bool polishSize:1; // Workaround for problem with polish called after updateSize (QTBUG-42636)
bool updateSizeRecursionGuard:1;
static const QChar elideChar;
static const int largeTextSizeThreshold;
qreal getImplicitWidth() const override;
qreal getImplicitHeight() const override;
qreal availableWidth() const;
qreal availableHeight() const;
inline qreal padding() const { return extra.isAllocated() ? extra->padding : 0.0; }
void setTopPadding(qreal value, bool reset = false);
void setLeftPadding(qreal value, bool reset = false);
void setRightPadding(qreal value, bool reset = false);
void setBottomPadding(qreal value, bool reset = false);
void ensureDoc();
void updateDocumentText();
QRectF setupTextLayout(qreal * const baseline);
void setupCustomLineGeometry(QTextLine &line, qreal &height, int fullLayoutTextLength, int lineOffset = 0);
bool isLinkActivatedConnected();
bool isLinkHoveredConnected();
QStringList links() const;
struct LinkDesc {
QString m_anchor;
QString m_anchorTarget;
int m_startIndex;
int m_endIndex;
QRect rect;
};
QVector<LinkDesc> getLinks() const;
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 int renderTypeQuality() const { return extra.isAllocated() ? extra->renderTypeQuality : QQuickText::DefaultRenderTypeQuality; }
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(); }
};
QT_END_NAMESPACE
#endif // QQUICKTEXT_P_P_H
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