Re: Mouse information in xterm.

[Eli Zaretskii <eliz@gnu.org>]

> Date: Mon, 14 Sep 2020 21:04:53 +0200
> From: Ergus <spacibba@aol.com>
> Cc: emacs-devel@gnu.org
> 
> On Mon, Sep 14, 2020 at 09:56:37PM +0300, Eli Zaretskii wrote:
> >> Date: Mon, 14 Sep 2020 20:13:11 +0200
> >> From: Ergus <spacibba@aol.com>
> >> Cc: emacs-devel@gnu.org
> >>
> >> When we call x-popup-dialog with t as the first parameter. The function
> >> x_popup_menu_1 tries to get the cursor/mouse position calling
> >> term_mouse_position. (As the documentation says)
> >>
> >> The issue is that term_mouse_position always report (0,0) as the current
> >> position independently of the cursor and mouse actual positions because
> >> it just copies the values in last_mouse_x and last_mouse_y which are
> >> zero because nobody updated them, see.
> >
> >last_mouse_x and last_mouse_y will change only if you use GPM mouse on
> >the terminal.  Otherwise, these variables will remain zero on
> >GNU/Linux.  So what you see is expected unless you use GPM (do you?).
> >
> >The doc string of x-popup-dialog says that if POSITION is t, then the
> >dialog appears at the center of the selected frame.  So what you see
> >is exactly what the documentation says, and I don't understand what is
> >the problem you are trying to solve, or why POSITION being t is
> >important to you, or where you expected or wanted the dialog to pop up
> >or why there.  Please elaborate, as I feel we are talking past each
> >other.
> >
> >I see the same on a GUI frame, btw, so I also don't understand what
> >"works as expected in gui" for you.
> >
> >What am I missing?
> >
> x-popup-menu manual says:

Are we talking about x-popup-menu or x-popup-dialog?  You talked about
the latter in all your messages.

So I'm still confused...

> The part of "if the mouse is not available on a text terminal" then
> doesn't apply to xterm with xterm-mouse-mode? 

Indeed, it doesn't.  Because AFAIK no one has yet adapted the TTY
menus and dialogs to xterm-mouse-mode.