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PO
 

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  1. PO
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    <p>I solved the problem! Must call dbus_g_proxy_call with the name "GrabMediaPlayerKeys" (which you also can see in the python code)</p> <p>Must also register a marshaller which is done by first running this command:</p> <pre><code>glib-genmarshal --header --body mediaplayerkeypressed.list &gt; marshal.h </code></pre> <p>and then use it in the dbus_g_object_register_marshaller function.</p> <p>The complete C-code:</p> <pre><code>#include &lt;glib.h&gt; #include &lt;dbus/dbus-glib.h&gt; #include "marshal.h" static void media_key_pressed(DBusGProxy *proxy, const char *value1, const char *value2, gpointer user_data) { g_print("mediakey: %s\n",value2); } int main (int argc, char **argv) { DBusGConnection *conn; DBusGProxy *proxy; GError *error; GMainLoop *loop; g_type_init(); error = NULL; conn = dbus_g_bus_get (DBUS_BUS_SESSION, &amp;error); if (!conn) { g_printerr("Failed to connect to the D-BUS daemon: %s\n", error-&gt;message); g_error_free(error); return 1; } loop = g_main_loop_new (NULL, FALSE); if(!loop) { g_printerr("Could not create mainloop\n"); return 1; } proxy = dbus_g_proxy_new_for_name(conn, "org.gnome.SettingsDaemon", "/org/gnome/SettingsDaemon/MediaKeys", "org.gnome.SettingsDaemon.MediaKeys"); if(!proxy) { g_printerr("Could not create proxy object\n"); } error = NULL; if(!dbus_g_proxy_call(proxy, "GrabMediaPlayerKeys", &amp;error, G_TYPE_STRING, "WebMediaKeys", G_TYPE_UINT, 0, G_TYPE_INVALID, G_TYPE_INVALID)) { g_printerr("Could not grab media player keys: %s\n", error-&gt;message); } dbus_g_object_register_marshaller ( g_cclosure_user_marshal_VOID__STRING_STRING, G_TYPE_NONE, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID); dbus_g_proxy_add_signal(proxy, "MediaPlayerKeyPressed", G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID); dbus_g_proxy_connect_signal(proxy, "MediaPlayerKeyPressed", G_CALLBACK(media_key_pressed), NULL, NULL); g_print("Starting media key listener\n"); g_main_loop_run (loop); return 0; } </code></pre>
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    1. POcan't get dbus signal listener to work in C with gnome multimedia keys
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    1. USDaverix
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    1. POcan't get dbus signal listener to work in C with gnome multimedia keys
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    1. VO
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      1. VTUpMod
    1. COthat's great. Please mark it as accepted answer, so people will know there's a solution.
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    2. COI will when I can. 21 hours left... ;-)
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