For my purposes, using TreeViewColumn->get_width() works well enough.
Which brings up a related question: Absent a writable
TreeViewColumn->property_width(), is there any way to tell GTK exactly
where between the min/max values you want the column width to be
initialized? I could probably acco
CellRendererText has no get_allocated_width() (or get_allocation()).
I'll have to pursue this tomorrow…
On 01/29/2018 12:48 PM, Daniel Boles wrote:
erm, of course that should be
set_has_tooltip( natural > get_allocated_width() );
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Haha, what a team. Well, thankfully, I can confirm: simply doing
label.set_tooltip_text(label.get_layout()->is_ellipsized() ? text : "")
after updating the label text seems to work OK in my case. Fingers crossed
it stays that way, and I'll keep the much shorter code. :D
...and thank you for that! I found is_ellipsized() because I was looking
high and low for a reference to get_layout() that I just *knew* I'd seen
somewhere…
On 01/29/2018 03:58 PM, Daniel Boles wrote:
It would be nice to have proper API for this; I'd support a feature
request on the GTK+ side
It would be nice to have proper API for this; I'd support a feature request
on the GTK+ side, if one doesn't already exist (I don't recall finding one).
That said, it should be a general thing for text widgets. That is:
including GtkLabel and co. And there's something I only just realised,
because
I just found Pango::Layout::is_ellipsized(). Since there's
CellRendererText::property_ellipsize(), it seems reasonable to think it
has access to a Pango::Layout for the rendering of the text; maybe it
should also have a property_is_ellipsized() — that's probably a
GtkCellRendererText enhancemen
I should also emphasise that this was with a GtkLabel, and I've not
specifically tested whether the same process works for a CellRendererText,
but hopefully it will
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erm, of course that should be
set_has_tooltip( natural > get_allocated_width() );
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I had the same desire and arrived at this method. I can't vouch for whether
it works in every situation, but it has never seemed to fail for me.
The idea is that you force the full natural request by setting
:max-width-chars to -1, get that request, then check whether it's below the
actual allocat
