Re: PGTK-related misconceptions

[Po Lu]

Trey Peacock <gpg@treypeacock.com> writes:

> This section of code is in gdkkeys-x11.c and called from update_keymaps:
>
>           mask = 0;
>           for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
>             {
>               if (syms[j] == GDK_KEY_Meta_L ||
>                   syms[j] == GDK_KEY_Meta_R)
>                 mask |= GDK_META_MASK;
>               else if (syms[j] == GDK_KEY_Hyper_L ||
>                        syms[j] == GDK_KEY_Hyper_R)
>                 mask |= GDK_HYPER_MASK;
>               else if (syms[j] == GDK_KEY_Super_L ||
>                        syms[j] == GDK_KEY_Super_R)
>                 mask |= GDK_SUPER_MASK;
>             }
>
> Which seems like it accepts the GDK_KEY_Super_L/R and subsequently sets
> the mask, right? I believe this is the reason why the virtual mask is
> recognized when using Xwayland on wlroots based compositors.

Why is Xwayland related in any way?

And that code is only used when the XKB extension is _NOT_ present on
the X server.  Otherwise, the code under update_modmap is used.  The
exact analog in Emacs is x_find_modifier_meanings in xterm.c.