From e8e6e8c1722618a48cb4a2e46b24ecad4b056270 Mon Sep 17 00:00:00 2001 From: J-P Nurmi Date: Mon, 13 Jul 2009 11:03:41 +0200 Subject: Added QSyntaxHighlighter::rehighlightBlock(QTextBlock) Merge-request: 379 Reviewed-by: Simon Hausmann --- src/gui/text/qsyntaxhighlighter.cpp | 27 +++++++++++++++++++++++++++ src/gui/text/qsyntaxhighlighter.h | 1 + 2 files changed, 28 insertions(+) diff --git a/src/gui/text/qsyntaxhighlighter.cpp b/src/gui/text/qsyntaxhighlighter.cpp index db1a38e..ccf229e 100644 --- a/src/gui/text/qsyntaxhighlighter.cpp +++ b/src/gui/text/qsyntaxhighlighter.cpp @@ -356,6 +356,8 @@ QTextDocument *QSyntaxHighlighter::document() const \since 4.2 Redoes the highlighting of the whole document. + + \sa rehighlightBlock() */ void QSyntaxHighlighter::rehighlight() { @@ -375,6 +377,31 @@ void QSyntaxHighlighter::rehighlight() } /*! + \since 4.6 + + Redoes the highlighting of the given QTextBlock \a block. + + \sa rehighlight() +*/ +void QSyntaxHighlighter::rehighlightBlock(const QTextBlock &block) +{ + Q_D(QSyntaxHighlighter); + if (!d->doc) + return; + + disconnect(d->doc, SIGNAL(contentsChange(int,int,int)), + this, SLOT(_q_reformatBlocks(int,int,int))); + QTextCursor cursor(block); + cursor.beginEditBlock(); + int from = cursor.position(); + cursor.movePosition(QTextCursor::EndOfBlock); + d->_q_reformatBlocks(from, 0, cursor.position() - from); + cursor.endEditBlock(); + connect(d->doc, SIGNAL(contentsChange(int,int,int)), + this, SLOT(_q_reformatBlocks(int,int,int))); +} + +/*! \fn void QSyntaxHighlighter::highlightBlock(const QString &text) Highlights the given text block. This function is called when diff --git a/src/gui/text/qsyntaxhighlighter.h b/src/gui/text/qsyntaxhighlighter.h index 4e5271b..ee249b8 100644 --- a/src/gui/text/qsyntaxhighlighter.h +++ b/src/gui/text/qsyntaxhighlighter.h @@ -78,6 +78,7 @@ public: public Q_SLOTS: void rehighlight(); + void rehighlightBlock(const QTextBlock &block); protected: virtual void highlightBlock(const QString &text) = 0; -- cgit v0.12