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bug#40774: Error messages shouldn't be hidden when the user is idle
From: |
Juri Linkov |
Subject: |
bug#40774: Error messages shouldn't be hidden when the user is idle |
Date: |
Fri, 24 Apr 2020 01:16:36 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) |
> So the only change needed is that error messages can only be cleared
> from the echo area by the user doing some command. Otherwise they
> are collected and shown.
I see now what you mean. This can be easily implemented with the
following patch. So you can set `clear-message-function' to a function
that returns a non-nil, and the echo area won't be cleared.
Such predicate function could contain a complex logic, but for testing
you could use just:
(setq clear-message-function (lambda () t))
diff --git a/src/xdisp.c b/src/xdisp.c
index 01f272033e..fb9def57ef 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -11825,18 +11825,23 @@ set_message_1 (ptrdiff_t a1, Lisp_Object string)
void
clear_message (bool current_p, bool last_displayed_p)
{
+ Lisp_Object preserve = Qnil;
+
if (current_p)
{
- echo_area_buffer[0] = Qnil;
- message_cleared_p = true;
-
if (FUNCTIONP (Vclear_message_function))
{
ptrdiff_t count = SPECPDL_INDEX ();
specbind (Qinhibit_quit, Qt);
- safe_call (1, Vclear_message_function);
+ preserve = safe_call (1, Vclear_message_function);
unbind_to (count, Qnil);
}
+
+ if (NILP (preserve))
+ {
+ echo_area_buffer[0] = Qnil;
+ message_cleared_p = true;
+ }
}
if (last_displayed_p)
- bug#40774: Error messages shouldn't be hidden when the user is idle, (continued)
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, Eli Zaretskii, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, Eli Zaretskii, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, Eli Zaretskii, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, Eli Zaretskii, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/22
- bug#40774: Error messages shouldn't be hidden when the user is idle, ndame, 2020/04/23
- bug#40774: Error messages shouldn't be hidden when the user is idle,
Juri Linkov <=
bug#40774: Error messages shouldn't be hidden when the user is idle, Juri Linkov, 2020/04/22