如何将QPlainTextEdit滚动到顶部？

Question

我想在放入一些文本后自动滚动到QPlainTextEdit小部件的顶部.我怎么能意识到这一点？

Answer 1

myTextEdit -> moveCursor (QTextCursor::Start) ;
myTextEdit -> ensureCursorVisible() ;

Answer 2

作为QTextEdit来自继承QAbstractScrollArea,你可以将它的滚动条:

QScrollBar *vScrollBar = yourTextEdit->verticalScrollBar();
vScrollBar->triggerAction(QScrollBar::SliderToMinimum);