bug#19547: Patch for this bug

[Johan Bockgård]

Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:

> +    case FOCUS_IN_EVENT: ignore_event = Qfocus_in; break;
> +    case FOCUS_OUT_EVENT: ignore_event = Qfocus_out; break;
> +    case HELP_EVENT: ignore_event = Qhelp; break;
> +    case ICONIFY_EVENT: ignore_event = Qiconify; break;
> +    case DEICONIFY_EVENT: ignore_event = Qdeiconify; break;
> +    case SELECTION_REQUEST_EVENT: ignore_event = Qselection_request; break;
> +    }
> +
>    /* If we're inside while-no-input, and this event qualifies
>       as input, set quit-flag to cause an interrupt.  */
>    if (!NILP (Vthrow_on_input)
> -      && event->kind != FOCUS_IN_EVENT
> -      && event->kind != FOCUS_OUT_EVENT
> -      && event->kind != HELP_EVENT
> -      && event->kind != ICONIFY_EVENT
> -      && event->kind != DEICONIFY_EVENT)
> +      && !NILP (Fmemq (ignore_event, Vwhile_no_input_ignore_events)))
>      {
>        Vquit_flag = Vthrow_on_input;
>        /* If we're inside a function that wants immediate quits,
> @@ -11164,6 +11172,10 @@ syms_of_keyboard (void)
>    DEFSYM (Qiconify_frame, "iconify-frame");
>    DEFSYM (Qmake_frame_visible, "make-frame-visible");
>    DEFSYM (Qselect_window, "select-window");
> +  DEFSYM (Qhelp, "help");
> +  DEFSYM (Qiconify, "iconify");
> +  DEFSYM (Qdeiconify, "deiconify");
> +  DEFSYM (Qselection_request, "selection-request");

HELP_EVENT, ICONIFY_EVENT and DEICONIFY_EVENT already have the Lispy
names `help-echo', `iconify-frame' and `make-frame-visible',
respectively, so I think we should use those instead of inventing new
symbols.