Re: Centering a window ... not in the usual way!
Re: Centering a window ... not in the usual way!
- Subject: Re: Centering a window ... not in the usual way!
- From: Mic Pringle <email@hidden>
- Date: Wed, 13 May 2009 09:36:10 +0100
Hi Trygve,
I had not thought of that. Does setting the alpha to 0 hide apply it
to the entire window then and not just the contentView ?
Thanks
-Mic
2009/5/13 Trygve Inda <email@hidden>:
>> Hi,
>>
>> I'm working on an application that when first started you are
>> presented with a small window showing a number of options. When any of
>> these options are chosen, the window fades out the contentView whilst
>> at the same time replacing it with and fading in the new view. The
>> window also resizes to accommodate the new view. This is all achieved
>> using NSViewAnimation and works and looks great. However, I have one
>> small issue.
>>
>> What I'd like is for the resulting window (new size, containing new
>> view) to be centered on the screen, in the sameplace as if I'd called
>> [window center] on it.
>>
>> I currently have it centering using some calculations based on screen
>> width/height and window width/height etc but this results in it being
>> actually centered on the screen, not centered in which the above call
>> does (They are different, honest, check them out).
>>
>> What I thought about doing was creating a transparent window using a
>> border less mask, the same size as the resulting window, calling
>> center on it, and then getting the frame rect. This could be done in
>> awakeFromNib and then released and would be unknown to the user.
>>
>> However the issues here are that a border less window obviously has
>> not title bar, so how can I take that in to account ? Also I would
>> like the resulting window to have a toolbar, where as the small window
>> first displayed doesn't, so again how can I take this in to account ?
>> Are there standard sizes I can apply for title bars and toolbars, as
>> these could be added to the border less window frame before calling
>> center ?
>>
>> Any help would be greatly appreciated.
>
> Can you not just create a normal window with title bar and set it's alpha to
> 0 to test the size form the OS?
>
> If that messes up your window activation, maybe you could do it quickly and
> invisibly at launch to get all the rects you need for your window's
> different contents.
>
> In the second case you may want to install a Display Configuration Callback
> to be notified if the screen dimensions change.
>
> Trygve
>
>
>
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