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-rw-r--r--src/gui/text/qtextobject.cpp43
-rw-r--r--src/gui/text/qtextobject.h2
2 files changed, 45 insertions, 0 deletions
diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 088eb98..f386871 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -1140,6 +1140,49 @@ int QTextBlock::charFormatIndex() const
}
/*!
+ \since 4.7
+
+ Returns the resolved text direction.
+
+ If the block has no explicit direction set, it will resolve the
+ direction from the blocks content. Returns either Qt::LeftToRight
+ or Qt::RightToLeft.
+
+ \sa QTextBlock::layoutDirection(), QString::isRightToLeft(), Qt::LayoutDirection
+*/
+Qt::LayoutDirection QTextBlock::textDirection() const
+{
+ Qt::LayoutDirection dir = blockFormat().layoutDirection();
+ if (dir != Qt::LayoutDirectionAuto)
+ return dir;
+
+ const QString buffer = p->buffer();
+
+ const int pos = position();
+ QTextDocumentPrivate::FragmentIterator it = p->find(pos);
+ QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1); // -1 to omit the block separator char
+ for (; it != end; ++it) {
+ const QTextFragmentData * const frag = it.value();
+ const QChar *p = buffer.constData() + frag->stringPosition;
+ const QChar * const end = p + frag->size_array[0];
+ while (p < end) {
+ switch(QChar::direction(p->unicode()))
+ {
+ case QChar::DirL:
+ return Qt::LeftToRight;
+ case QChar::DirR:
+ case QChar::DirAL:
+ return Qt::RightToLeft;
+ default:
+ break;
+ }
+ ++p;
+ }
+ }
+ return Qt::LeftToRight;
+}
+
+/*!
Returns the block's contents as plain text.
\sa length() charFormat() blockFormat()
diff --git a/src/gui/text/qtextobject.h b/src/gui/text/qtextobject.h
index 67f67d8..a573a26 100644
--- a/src/gui/text/qtextobject.h
+++ b/src/gui/text/qtextobject.h
@@ -221,6 +221,8 @@ public:
QTextCharFormat charFormat() const;
int charFormatIndex() const;
+ Qt::LayoutDirection textDirection() const;
+
QString text() const;
const QTextDocument *document() const;