I'm currently trying to write an application which should change the
background-image. For this purpose, I set the
"org.gnome.desktop.background.picture-uri"-key, as suggested here [1]
To do so, I'm using the Gio.Settings-class[2] from the Gio-library
binding as follows:
var gio = imports.gi.Gio;
// Get the GSettings-object for the background-schema:
var background = new gio.Settings({schema:
"org.gnome.desktop.background"});
// Read the current Background-Image:
print( "Current Background-Image:
"+background.get_string("picture-uri") );
if (background.is_writable("picture-uri")){
// Set a new Background-Image (should show up immediately):
if (background.set_string("picture-uri",
"file:///path/to/some/pic.jpg")){
print("Success!");
}
else throw "Couldn't set the key!";
} else throw "The key is not writable";
Reading the value does work as expected, the is_writable()-method
returns true and the set_string()-method also returns true (indicating
that the writing-process was successful). But the writing-operation does
not change the value of the key.
I have checked that I'm not in "delay-apply" mode (hence I don't need to
call apply() ) and the key has a GVariantType of string, so the
set_string()-method should work.
Using the normal gsettings command-line tool (as explained in [1]) works
just fine.
I'm not sure what I'm not seeing here.
[1] - http://lists.fedoraproject.org/pipermail/users/2011-August/402603.html
[2] - http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gio.Settings.html
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