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prefs: Add support for string-array preferences
As we only had one string-array preference so far, we didn't bother with adding a generic way to handle string-array preferences, and just handled the preference in question explicitly. However we are going to parse another string-array setting, so generalize the existing code to make it reusable for that case. https://bugzilla.gnome.org/show_bug.cgi?id=700223
This commit is contained in:
Florian Müllner
parent
e15792c983
commit
f531960b6a
161
src/core/prefs.c
161
src/core/prefs.c
@ -122,7 +122,6 @@ static gboolean update_binding (MetaKeyPref *binding,
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gchar **strokes);
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static gboolean update_key_binding (const char *key,
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gchar **strokes);
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static gboolean update_workspace_names (void);
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static void settings_changed (GSettings *settings,
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gchar *key,
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@ -144,7 +143,6 @@ static gboolean overlay_key_handler (GVariant*, gpointer*, gpointer);
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static void do_override (char *key, char *schema);
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static void init_bindings (void);
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static void init_workspace_names (void);
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typedef struct
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@ -198,6 +196,13 @@ typedef struct
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gchar **target;
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} MetaStringPreference;
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typedef struct
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{
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MetaBasePreference base;
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GSettingsGetMapping handler;
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gchar ***target;
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} MetaStringArrayPreference;
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typedef struct
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{
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MetaBasePreference base;
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@ -436,6 +441,19 @@ static MetaStringPreference preferences_string[] =
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{ { NULL, 0, 0 }, NULL },
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};
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static MetaStringArrayPreference preferences_string_array[] =
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{
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{
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{ KEY_WORKSPACE_NAMES,
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SCHEMA_GENERAL,
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META_PREF_KEYBINDINGS,
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},
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NULL,
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&workspace_names,
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},
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{ { NULL, 0, 0 }, NULL },
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};
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static MetaIntPreference preferences_int[] =
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{
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{
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@ -555,6 +573,42 @@ handle_preference_init_string (void)
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}
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}
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static void
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handle_preference_init_string_array (void)
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{
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MetaStringArrayPreference *cursor = preferences_string_array;
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while (cursor->base.key != NULL)
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{
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char **value;
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/* Complex keys have a mapping function to check validity */
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if (cursor->handler)
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{
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if (cursor->target)
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meta_bug ("%s has both a target and a handler\n", cursor->base.key);
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g_settings_get_mapped (SETTINGS (cursor->base.schema),
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cursor->base.key, cursor->handler, NULL);
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}
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else
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{
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if (!cursor->target)
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meta_bug ("%s must have handler or target\n", cursor->base.key);
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if (*(cursor->target))
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g_strfreev (*(cursor->target));
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value = g_settings_get_strv (SETTINGS (cursor->base.schema),
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cursor->base.key);
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*(cursor->target) = value;
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}
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++cursor;
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}
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}
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static void
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handle_preference_init_int (void)
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{
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@ -673,6 +727,56 @@ handle_preference_update_string (GSettings *settings,
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queue_changed (cursor->base.pref);
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}
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static void
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handle_preference_update_string_array (GSettings *settings,
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gchar *key)
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{
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MetaStringArrayPreference *cursor = preferences_string_array;
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gboolean inform_listeners = FALSE;
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while (cursor->base.key != NULL && strcmp (key, cursor->base.key) != 0)
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++cursor;
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if (cursor->base.key==NULL)
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/* Didn't recognise that key. */
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return;
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/* Complex keys have a mapping function to check validity */
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if (cursor->handler)
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{
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if (cursor->target)
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meta_bug ("%s has both a target and a handler\n", cursor->base.key);
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g_settings_get_mapped (SETTINGS (cursor->base.schema),
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cursor->base.key, cursor->handler, NULL);
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}
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else
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{
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char **values, **previous;
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int n_values, n_previous, i;
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if (!cursor->target)
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meta_bug ("%s must have handler or target\n", cursor->base.key);
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values = g_settings_get_strv (SETTINGS (cursor->base.schema),
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cursor->base.key);
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n_values = g_strv_length (values);
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previous = *(cursor->target);
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n_previous = previous ? g_strv_length (previous) : 0;
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inform_listeners = n_previous != n_values;
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for (i = 0; i < n_values && !inform_listeners; i++)
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inform_listeners = g_strcmp0 (values[i], previous[i]) != 0;
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if (*(cursor->target))
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g_strfreev (*(cursor->target));
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*(cursor->target) = values;
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}
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if (inform_listeners)
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queue_changed (cursor->base.pref);
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}
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static void
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handle_preference_update_int (GSettings *settings,
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gchar *key)
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@ -869,10 +973,10 @@ meta_prefs_init (void)
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handle_preference_init_enum ();
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handle_preference_init_bool ();
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handle_preference_init_string ();
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handle_preference_init_string_array ();
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handle_preference_init_int ();
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init_bindings ();
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init_workspace_names ();
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}
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static gboolean
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@ -1020,14 +1124,6 @@ settings_changed (GSettings *settings,
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MetaEnumPreference *cursor;
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gboolean found_enum;
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/* String array, handled separately */
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if (strcmp (key, KEY_WORKSPACE_NAMES) == 0)
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{
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if (update_workspace_names ())
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queue_changed (META_PREF_WORKSPACE_NAMES);
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return;
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}
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value = g_settings_get_value (settings, key);
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type = g_variant_get_type (value);
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@ -1035,6 +1131,8 @@ settings_changed (GSettings *settings,
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handle_preference_update_bool (settings, key);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
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handle_preference_update_int (settings, key);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING_ARRAY))
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handle_preference_update_string_array (settings, key);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
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{
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cursor = preferences_enum;
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@ -1748,12 +1846,6 @@ init_bindings (void)
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g_hash_table_insert (key_bindings, g_strdup ("overlay-key"), pref);
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}
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static void
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init_workspace_names (void)
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{
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update_workspace_names ();
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}
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static gboolean
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update_binding (MetaKeyPref *binding,
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gchar **strokes)
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@ -1864,41 +1956,6 @@ update_key_binding (const char *key,
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return FALSE;
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}
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static gboolean
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update_workspace_names (void)
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{
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int i;
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char **names;
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int n_workspace_names, n_names;
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gboolean changed = FALSE;
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names = g_settings_get_strv (SETTINGS (SCHEMA_GENERAL), KEY_WORKSPACE_NAMES);
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n_names = g_strv_length (names);
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n_workspace_names = workspace_names ? g_strv_length (workspace_names) : 0;
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for (i = 0; i < n_names; i++)
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if (n_workspace_names < i + 1 || !workspace_names[i] ||
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g_strcmp0 (names[i], workspace_names[i]) != 0)
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{
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changed = TRUE;
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break;
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}
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if (n_workspace_names != n_names)
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changed = TRUE;
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if (changed)
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{
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if (workspace_names)
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g_strfreev (workspace_names);
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workspace_names = names;
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}
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else
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g_strfreev (names);
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return changed;
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}
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const char*
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meta_prefs_get_workspace_name (int i)
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{
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