| Re: [AD] [ alleg-Bugs-2431768 ] display field for mouse state |
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On December 15, 2008, Peter Wang wrote:
> On 2008-12-15, Evert Glebbeek <eglebbk@xxxxxxxxxx> wrote:
> > On 15-Dec-08, at 6:47 PM, Peter Wang wrote:
> > >> Is this meant to help with knowing which window is foreground?
> > >
> > > I don't think so. I'm assuming the usual (misleading) meaning,
> > > which is
> > > the window with keyboard input focus.
> >
> > Which isn't necessarily the same one that the mouse is over either.
>
> Right.
>
> > How would this work: when the mouse cursor leaves the tracking
> > rectangle for a the window, the "mouse window" is set to NULL, when
> > the mouse cursor enters the tracking rectangle of a window the "mouse
> > window" is set to that window?
>
> Yes, that's what I'm thinking.
>
> > > If no buttons are down and the mouse cursor is not over any of the
> > > program's windows, the display field should probably be NULL and the
> > > x,y
> > > coordinates relative to the root window (the entire screen).
> >
> > Cool, that way we can move windows around and make them dodge the
> > mouse. I can see a great game of "catch that window!"
> > Ok, maybe not. If we're going to report the position relative to the
> > root window, should we also report the coordinates of the upper left
> > and lower right coordinates of an Allegro window? Or can we already do
> > that?
>
> We have al_get_window_position().
>
> I added "probably" for a reason. It seems to be a reasonable behaviour.
> Otherwise, what would you report if the mouse is not over any of our
> windows?
Nothing if the input wasn't grabbed in some form.
> Peter
>
>
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--
Thomas Fjellstrom
tfjellstrom@xxxxxxxxxx