Re: NSComboBox : how to set the width properly ?

[Quentin Mathé]

Le 21 mai 05, à 16:00, Fred Kiefer a écrit :

> Stéphane Goujet wrote:
>
> >   I believe the recommended way to fix the dimensions of a NSComboBox 
> > is to find the widest element in the list and give its width to the 
> > NSComboBox. But there comes a problem : the NSComboBox interprets it 
> > as its total width, including the text field AND the button.
>
> I think this part is correct. The frame has to include both 
> components. Your problem when setting it from the outside is that you 
> have no way of knowing the size of the button (currently hardcoded 
> 17x17).

Yes.

> >   It is the same if one uses the sizeToFit method. I find that 
> > totally illogical : NSComboBox calculates the width to fit on the 
> > text field, but then it does not use it to set its own text field 
> > width... instead it substracts from it the button width. So a 
> > sizeToFit never fits, the end of the text is hidden by the button...
>
> This seems to be a real problem. NSComboBoxCell does not implement the 
> method cellSize, which should return the optimal size for the text 
> cell plus the button.

I never tested -sizeToFit: I admit.

> Quentin, are you going to implement this? If you don't have time, I 
> could give it a try.

I would like, but I haven't the time now.

> In a first step, I would not loop over all the elements, but just 
> return the two control sizes added up.

What do you mean by "all the elements", NSComboBoxCell only includes a 
text cell and a button cell ?

Quentin.

--
Quentin Mathé
qmathe@club-internet.fr