[Interest] styling a checkable item in a QListWidget

[Harish Surana]

I would suggest implementing an item delegate by sub classing
QAbstractItemDelegate and set it on the column of your list widget.


On Tue, Dec 3, 2013 at 6:52 AM, Hamish Moffatt <hamish at risingsoftware.com>wrote:

> Hoi,
>
> I've got checkable items in a QListWidget and I'd like to use custom
> images for the disabled, checked and unchecked states. I'm using 4.8.x.
> What's the correct selector to use for these?
>
> The documentation implies that QListView::item is used to refer to the
> sub-control, but I'm not having a lot of luck with that.
>
> I've tried setting the image property for the following selectors; (ie
> selector { image: url(:/foo/bar.png}; }):
>
> QListWidget::item:unchecked - normal checkbox is drawn, image is not
> shown at all
> QListWidget::item:indicator:unchecked - normal check box is drawn, image
> is also shown centered in the item
>
> QListWidget::indicator:unchecked - image is used as the checkbox, but
> it's the size of the original checkbox, not the size of the image.
>
> (Same for :checked. :disabled seems to be impossible?)
>
> The documentation says that setting the image property implicitly sets
> the width and height of the sub-control, but this doesn't seem to be
> true. Setting QListWidget::indicator's width and height helps, but then
> the text overlaps the image. Oddly enough I can fix that by setting
> padding on QListWidget::item.
>
> So I ended up with the following
>
> QListWidget::indicator { width: 80px; height: 80px; }
> QListWidget::indicator:unchecked { image: url(:/foo/bar.png); }
> QListWidget::indicator:checked { image: url(:/foo/baz.png); }
> QListWidget::item { padding-left: 0px; }
>
> But there must be a better way?
>
>
> Hamish
>
>
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