Version 0.3.1 of xfce4-notifyd has added a hidden option named "do-fadeout".
That means that this ugly hack isn't required any longer. To disable the
fading all you have to do is change the value to "false" using xconf-query:
xfconf-query -c xfce4-notifyd -p /do-fadeout -n -t bool -s false
Whoever is using xfce4-notifyd with a compositor has probably noticed
that there's an independent fade-out going on for every notification pop-up.
Apparently it's built into xfce4-notifyd itself and it's the standard
behaviour if xfce4-notifyd is running on a composited desktop.
I wasn't the only one complaining
about it as it turns out. There's also a bug report
on the Xfce bug tracker. Unfortunately, there's no solution for this or a compile
time option which would disable it.
Being slightly curious, I decided to check out the source code and see if
there's a really, really obvious part responsible for the fading out. It didn't
take long for me to find someting that looked promising. At line 627, in
this
file, there's an xfce_notify_window_expire_timeout() function. Since I
have literally zero C programming knowledge, I decided to just remove a few
lines from it and see what happens.
Weirdly enough, it worked. The notification pop-ups disappeared instantly,
without that unnecessary fade-out. Everything else seemed to work as intended,
but I haven't had enough time to test it for potential side-effects.
--- xfce4-notifyd-0.2.4/xfce4-notifyd/xfce-notify-window.c 2013-04-21 16:42:08.000000000 +0200
+++ xfce-notify-window.c 2016-05-09 17:47:19.730137584 +0200
@@ -631,18 +631,9 @@
window->expire_id = 0;
- fade_transparent =
- gdk_screen_is_composited(gtk_window_get_screen(GTK_WINDOW(window)));
-
- if(fade_transparent) {
- window->fade_id = g_timeout_add(FADE_CHANGE_TIMEOUT,
- xfce_notify_window_fade_timeout,
- window);
- } else {
- /* it might be 800ms early, but that's ok */
- g_signal_emit(G_OBJECT(window), signals[SIG_CLOSED], 0,
- XFCE_NOTIFY_CLOSE_REASON_EXPIRED);
- }
+ /* it might be 800ms early, but that's ok */
+ g_signal_emit(G_OBJECT(window), signals[SIG_CLOSED], 0,
+ XFCE_NOTIFY_CLOSE_REASON_EXPIRED);
return FALSE;
}
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