Re: Setting window icons

["Bill.Haneman" <Bill Haneman ireland sun com>]

Paolo/lupus wrote:
<snip>

> Speaking of accessibility APIs, a useful addition that could be
> used in gmag is something like this:
> 
> gdk_set_interest_spot(gint x, gint y); 
> /* should be per-screnn when ther is per-screen support in GDK */
> 
> This can set a property in the root window that other applications like
> gmag may use to enlarge the part of the screen near the "intert" spot
> (currently it follows the mouse pointer).
> This is very useful to track the cursor position in text edit widgets
> or terminal emulation widgets: basically, whenever the cursor is moved
> the widget sets the interset spot to the screen coordinates of the cursor.
> This could be done automatically in the focus_in_event for many other
> widgets as well to enable following focus changes done with the keyboard.
> On focus out events the property should be unset, maybe calling:
> 
> 	gdk_set_interest_spot(-1, -1);

This is an interesting idea, we should think about adding
it to our API.  We'd propose putting in the accessibility
API, to avoid touching gdk unnecessarily.

We already take text "caret" (cursor) position into account
and export notifications when it moves, but perhaps this
should be part of a more general "focus point" concept
which screen magnifiers will need.  It seems to me that the
current "follow the mouse" idea is sort of a kludge in the 
absence of better "region of interest" information being
provided by the widgets or apps.


-Bill

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