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

[Iurii Gordiienko]

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    
    
    
  
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