[Qt-interest] hovering problem in QGraphicsItem

Jesús Fernández jsfdez at gmail.com
Fri Mar 13 11:23:46 CET 2009


Try changing the background color without using style sheets. I think using
style sheets is slower than changing the palette.

On Fri, Mar 13, 2009 at 11:15 AM, chandrasekar wagmare <
sekarwagmare at gmail.com> wrote:

> hi friends,
> i tried an QGraphicsPixmapItem() hovering method like the
> *example : drilldown *
>
> i add that item to my QGraphicsScene and its working fine ...... i add that
> GraphicsView to a dialog say .. mainwindowdialog ...
> there also it works fine .. when i hover the mouse over the item it scaled
> perfectly ..
>
> the problem starts when i set styleSheet to mainwindowdialog in Qt designer
>
>                     right click->changeStyleSheet
> *background-color: rgba(107, 121, 118, 220);*
>
> then the scaling of the item become slower comparing to the previous time
> ... i think the paintEvent takes more time to repaint with the new color
> value when the mouse hover over the item ...
> i need to set the background color ... so how can i rectify this problem
> ...
> please help
>
>
> --
> CHANDRU
>
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>
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