[PyQt] display a widget in a QTableView

[Kovid Goyal]

class ProgressBarDelegate(QAbstractItemDelegate):
    
    def sizeHint(self, option, index):
        return QSize(120, 30)
    
    def paint(self, painter, option, index):
        opts = QStyleOptionProgressBarV2()
        opts.rect = option.rect
        opts.minimum = 1
        opts.maximum = 100
        opts.textVisible = True
        percent, ok = index.model().data(index, Qt.DisplayRole).toInt()
        if not ok:
            percent = 0
        opts.progress = percent
        opts.text = QString(_('Unavailable') if percent == 0 else 
'%d%%'%percent)
        QApplication.style().drawControl(QStyle.CE_ProgressBar, opts, painter)

On Thursday 16 October 2008 09:50:54 Wim Verhavert wrote:
> Dear all,
>
> I want to do something in PyQT I have seen many times in other
> applications: A QTableView where the last column contains a QProgressbar.
> Basically I want to implement some kind of cue where each item is processed
> which can take a while. To give some visual feedback I want to display
> a progressbar in the last column. This would allow sorting on progress
> and such.
> I have the book 'Rapid GUI Programming with Python and Qt' by Mark
> Summerfield at hand which contains a section about custom delegates. I
> have done similar things in the past, but somehow I'm not able to
> translate this into the thing I want to do. Is there somebody out
> there that could give me a head start?
>
> I think it will need to create a custom delegate and override the
> paint method. But how? How do I paint a progressbar? Do I have to do
> this from scratch, i.e. filling a part of the cell with a color, or
> can I use a QProgressbar? Any suggestions are welcome.
>
> Cheers!
>
> Wim
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-- 
_____________________________________

Kovid Goyal  MC 452-48
California Institute of Technology
1200 E California Blvd
Pasadena, CA 91125

cell  : +01 626 390 8699
office: +01 626 395 6595 (449 Lauritsen)
email : kovid at theory.caltech.edu
web   : http://www.kovidgoyal.net
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