Hi,

I'm trying to write simple debugger. I'd like to highlight current line when stepping over.
With help of code editor example I was able to do it like this:

Qt Code: 
  1. void MainWindow::StepOver_cmd(void)
  2. {
  3.  
  4.    QTextCursor cursor      =  dissasembly_widget->textCursor();
  5.  
  6.    cursor.movePosition(QTextCursor::Down,  QTextCursor::MoveAnchor);
  7.    dissasembly_widget->setTextCursor(cursor);
  8.  
  9.    QList<QTextEdit::ExtraSelection> extraSelections;
  10.    QTextEdit::ExtraSelection selection;
  11.    QColor lineColor = QColor(Qt::cyan).darker(200);
  12.    selection.format.setBackground(lineColor);
  13.    selection.format.setProperty(QTextFormat::FullWidthSelection, true);
  14.    selection.cursor = cursor;
  15.  
  16.    selection.cursor.clearSelection();
  17.    extraSelections.append(selection);
  18.    dissasembly_widget->setExtraSelections(extraSelections);
  19.  
  20. }
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but the problem is when user changes cursor position it obviously starts to highlight code in different place.
The problem is with

dissasembly_widget->textCursor(); //dissasembly_widget is QPlainTextEdit

but I dont know how to do it otherwise since there is no setBlock function.
Thanks in advance!