Re: Need Help Please....Truncation Mode for Window Title
Re: Need Help Please....Truncation Mode for Window Title
- Subject: Re: Need Help Please....Truncation Mode for Window Title
- From: Greg Herlihy <email@hidden>
- Date: Wed, 01 Mar 2006 01:34:52 -0800
- Thread-topic: Need Help Please....Truncation Mode for Window Title
This being a Cocoa list, I would have thought a solution using the
appearance manager would be considered cheating. :)
If not, then I would advise an end-to-end solution: before calling
TruncateThemeText, the program may as well first call HIThemeGetWindowShape
passing in kWindowTitleTextRgn for the window region and find out exactly
how wide the window's title bar text can be at its current dimensions. The
program can then pass that measurement, instead of a "fudge factor", in its
subsequent call to TruncateThemeText.
And when calling TruncateThemeText, the program should be careful to pass
kThemeWindowTitleFont as the theme font id in order to obtain an accurate
truncation.
Greg
On 2/28/06 11:00 PM, "Bill Monk" <email@hidden> wrote:
>
> On Feb 28, 2006, at 9:08 PM, Joshua Scott Emmons <email@hidden> wrote:
>
>> None of which have options to change title truncation. So it looks to
>> me as though, if you want to truncate the title in the middle, you
>> will have to do it yourself. Maybe do something like compare the
>> window's width to the size of your title (in pixels), and cut the
>> title until it fits?
>
> TruncateThemeText() can remove characters from the middle (or end) of
> a CFMutableString until the remaining characters (plus an ellipsis)
> fit into a specified width.
>
> * TruncateThemeText alters a unicode string to fit within a width
> * that you specify. It is unicode savvy (although only partially so
> * under CarbonLib), and makes its calculations (and any subsequent
> * string alteration) based on the font and state you specify. If
> * the string needs to be truncated, it will be reduced to the
> * maximum number of characters which (with the addition of an
> * ellipsis character) fits within the specified width.
>
>> And then register for
>> NSWindowDidResizeNotifications to do this again whenever the window
>> is resized?
>
> Makes sense to me. So when a window is resized, receive the
> notification, get the new window width, subtract a fudge factor (to
> account for the fact that titles aren't drawn all the way to the
> edges of windows), run this width and the window title through
> TruncateThemeText(), and -setTitle: using the resulting string. No
> need to know or care whether the string was actually truncated.
>
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