2015年4月18日 · Ah, that makes more sense then. One problem with my example is that each block is displayed as its own line. I don't have enough experience with QTextBlocks to know how to get them on the same line. Good luck! –

2016年12月28日 · QObject::connect: Cannot queue arguments of type 'QTextBlock' (Make sure 'QTextBlock' is registered using qRegisterMetaType().) QObject::connect: Cannot queue arguments of type 'QTextCursor' (Make sure 'QTextCursor' is registered using qRegisterMetaType().)

2017年4月18日 · qRegisterMetaType<QTextBlock>(); qRegisterMetaType<QTextCursor>(); but now I need to declare Q_DECLARE_METATYPE. I have set it outsize the class in a header: Q_DECLARE_METATYPE(QTextBlock) But it displays error: Type is not registered, please use the Q_DECLARE_METATYPE macro to make it known to Qt's meta-object system

2010年4月28日 · void QTextBlock::setVisible ( bool visible ) Sets the block's visibility to visible. This function was introduced in Qt 4.4. See also isVisible(). How can i hide block's in QTextEdit? Thank you in advance

2012年12月3日 · Im trying to send a signal from a non-main thread in PyQt but i dont know what am doing wrong! And when i execute the program it fails with this error: QObject::connect: Cannot queue arguments of...

2014年9月10日 · About styling the QTextBlocks or QTextFrames: A QTextEdit is a widget that displays a QTextDocument which can contain QTextBlocks and QTextFrames. Frames and blocks are text containers that provide structure for the text in a document but they're not rendered by separate widgets. For that reason they can not be styled independently.

2014年12月31日 · // For block management QTextDocument *doc = new QTextDocument(this); ui->textEdit->setDocument(doc); // from QTextEdit created by the Designer //----- // Locate the 1st block QTextBlock block = doc->findBlockByNumber(0); // Initiate a copy of cursor on the block // Notice: it won't change any cursor behavior of the text editor, since it ...

2022年7月3日 · How to work with setFormats?. The program displays QTextEdit in QMainWindow. The task is to find the word "import" and highlight it in red using block.layout.setFormats (I don't want the undo-redo history to include the appearance change, and I don't want to use QSyntaxHighlighter).

2012年8月20日 · Is it possible to arrange several QTextBlocks in QTextDocument in one horizontal line? I need to know which block of text was clicked and QTextBlock would be nice to use due to its method setUser...

2010年3月25日 · is there a way to change the background color of a QTextBlock in a QTextDocument without using a subclass of QAbstractTextDocumentLayout. I have tried many ways and the effects are null. I am trying from the textCursor() method of a QPlainTextEditor and it seems practically everything is const.