We have actually been looking into this issue recently in #ubuntu, so I
thought I'd add my finding here.
As mentioned in the linked debian bug, logging into the session with gdm
fixes the issue (unless you are logging into a session that uses
compiz). And at the bottom of the report, lightdm-kde-greeter works as
well.
The only difference I found is that both lightdm-gtk-greeter and unity-
greeter set the cursor on the root window:
/* Set default cursor */
gdk_window_set_cursor (gdk_get_default_root_window (), gdk_cursor_new
(GDK_LEFT_PTR));
(for lightdm-gtk-greeter)
And I found that commenting that line out, and instead setting the
cursor on login_window:
--- lightdm-gtk-greeter-1.1.5.orig/src/lightdm-gtk-greeter.c
+++ lightdm-gtk-greeter-1.1.5/src/lightdm-gtk-greeter.c
@@ -717,7 +717,7 @@ main (int argc, char **argv)
return EXIT_FAILURE;
/* Set default cursor */
- gdk_window_set_cursor (gdk_get_default_root_window (), gdk_cursor_new
(GDK_LEFT_PTR));
+ //gdk_window_set_cursor (gdk_get_default_root_window (), gdk_cursor_new
(GDK_LEFT_PTR));
/* Load background */
value = g_key_file_get_value (config, "greeter", "background", NULL);
@@ -940,6 +940,9 @@ main (int argc, char **argv)
gtk_widget_show (GTK_WIDGET (login_window));
center_window (login_window);
+ gdk_window_set_cursor (gtk_widget_get_window (login_window),
gdk_cursor_new (GDK_LEFT_PTR));
+
+
gtk_widget_show (GTK_WIDGET (panel_window));
GtkAllocation allocation;
gtk_widget_get_allocation (GTK_WIDGET (panel_window), &allocation);
Rebuilding lightdm-gtk-greeter and then logging in, cursor updating
should work as expected. I'm not really suggesting this as a fix because
it has its own issues (unless you are over the login_window, the cursor
with be the X), but it demonstrates the problem.
Test Case:
1) Log in with lightdm-gtk-greeter to Gnome Classic (no effects) [or
gnome-shell or really anything without compiz]
2) Run: gsettings set org.gnome.desktop.interfaces cursor-size 48
3) Notice that every cursor except the default left pointer is resized
Patch lightdm-gtk-greeter as above or use gdm and the cursor will
immediately resize. (Changing cursor-theme has the same sort of effect,
but we were trying to figure out why cursor-size didn't work).
I think the compiz problem is that compiz also sets the cursor on the
root window.
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https://bugs.launchpad.net/bugs/1024482
Title:
Mouse cursor theme does not change from default after login
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