[Qt-interest] QPlainTextEdit is dramatically slow...

[Zeljko]

Iurii Gordiienko wrote:

> Hi    I use QPlainTextEdit for showing file's contents and for some files
> it has very low speed... Attached file consists a small example with
> loadind file ~250Kb. Under Windows Code2DUO, 2GB of memory I have ~100%
> loading of CPU whith scrolling and loading...    Qt-win-commercial-4.4.3  
>  Thanks

Maybe this can help:

 setUpdatesEnabled(false);
 LoadMyQPlainEditText();
 setUpdatesEnabled(true);