[gthumb] added some GSettings utility functions

[Paolo Bacchilega <paobac src gnome org>]

commit 0b1db4383c7f0e13cf0cdec53a84c2dafe40cf6c
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Nov 13 15:02:22 2011 +0100

    added some GSettings utility functions

 gthumb/glib-utils.c |  128 +++++++++++++++++++++++++++++++++++++++++++++++++++
 gthumb/glib-utils.h |   45 +++++++++++++-----
 2 files changed, 160 insertions(+), 13 deletions(-)
---
diff --git a/gthumb/glib-utils.c b/gthumb/glib-utils.c
index 19856ec..4bc3a58 100644
--- a/gthumb/glib-utils.c
+++ b/gthumb/glib-utils.c
@@ -1133,6 +1133,49 @@ _g_strv_find (char       **v,
 }
 
 
+char **
+_g_strv_prepend (char       **str_array,
+                 const char  *str)
+{
+	char **result;
+	int    i;
+	int    j;
+
+	result = g_new (char *, g_strv_length (str_array) + 1);
+	i = 0;
+	result[i++] = g_strdup (str);
+	for (j = 0; str_array[j] != NULL; j++)
+		result[i++] = g_strdup (str_array[j]);
+	result[i] = NULL;
+
+	return result;
+}
+
+
+gboolean
+_g_strv_remove (char       **str_array,
+                const char  *str)
+{
+	int i;
+	int j;
+
+	if (str == NULL)
+		return FALSE;
+
+	for (i = 0; str_array[i] != NULL; i++)
+		if (strcmp (str_array[i], str) == 0)
+			break;
+
+	if (str_array[i] == NULL)
+		return FALSE;
+
+	for (j = i; str_array[j] != NULL; j++)
+		str_array[j] = str_array[j + 1];
+
+	return TRUE;
+}
+
+
 char *
 _g_str_remove_suffix (const char *s,
 		      const char *suffix)
@@ -2696,6 +2739,81 @@ _g_mime_type_is_audio (const char *mime_type)
 }
 
 
+char *
+_g_settings_get_uri (GSettings  *settings,
+		     const char *key)
+{
+	char *value;
+	char *uri;
+
+	value = g_settings_get_string (settings, key);
+	if ((value == NULL) || (strcmp (value, "") == 0)) {
+		g_free (value);
+		return NULL;
+	}
+
+	uri = _g_replace (value, "~", g_get_home_dir ());
+	g_free (value);
+
+	return uri;
+}
+
+
+void
+_g_settings_set_uri (GSettings  *settings,
+		     const char *key,
+		     const char *uri)
+{
+	char *value;
+
+	value = _g_replace (uri, g_get_home_dir (), "~");
+	g_settings_set_string (settings, key, value);
+
+	g_free (value);
+}
+
+
+void
+_g_settings_set_string_list (GSettings  *settings,
+			     const char *key,
+			     GList      *list)
+{
+	int     len;
+	char  **strv;
+	int     i;
+	GList  *scan;
+
+	len = g_list_length (list);
+	strv = g_new (char *, len + 1);
+	for (i = 0, scan = list; scan; scan = scan->next)
+		strv[i++] = scan->data;
+	strv[i] = NULL;
+
+	g_settings_set_strv (settings, key, (const char *const *) strv);
+
+	g_free (strv);
+}
+
+
+GList *
+_g_settings_get_string_list (GSettings  *settings,
+			     const char *key)
+{
+	char **strv;
+	int    i;
+	GList *list;
+
+	strv = g_settings_get_strv (settings, key);
+	list = NULL;
+	for (i = 0; strv[i] != NULL; i++)
+		list = g_list_prepend (list, g_strdup (strv[i]));
+
+	g_strfreev (strv);
+
+	return g_list_reverse (list);
+}
+
+
 /* this is totem_time_to_string renamed, thanks to the authors :) */
 char *
 _g_format_duration_for_display (gint64 msecs)
@@ -2728,3 +2846,13 @@ _g_format_duration_for_display (gint64 msecs)
          */
         return g_strdup_printf (C_("short time format", "%d:%02d"), min, sec);
 }
+
+
+GList *
+_g_list_prepend_link (GList *list,
+		      GList *link)
+{
+	link->next = list;
+	if (list != NULL) list->prev = link;
+	return link;
+}
diff --git a/gthumb/glib-utils.h b/gthumb/glib-utils.h
index eebc71a..c24cd02 100644
--- a/gthumb/glib-utils.h
+++ b/gthumb/glib-utils.h
@@ -175,9 +175,9 @@ char *          _g_utf8_replace                  (const char  *string,
 						  const char  *replacement);
 char *          _g_utf8_strndup                  (const char  *str,
 						  gsize        n);
-char **         _g_utf8_strsplit                 (const char *string,
-						  const char *delimiter,
-						  int         max_tokens);
+char **         _g_utf8_strsplit                 (const char  *string,
+						  const char  *delimiter,
+						  int          max_tokens);
 char *          _g_utf8_strstrip                 (const char  *str);
 gboolean        _g_utf8_all_spaces               (const char  *utf8_string);
 char *          _g_utf8_remove_extension         (const char  *str);
@@ -186,15 +186,19 @@ GList *         _g_list_insert_list_before       (GList       *list1,
 						  GList       *list2);
 const char *    get_static_string                (const char  *s);
 char *          _g_rand_string                   (int          len);
-int             _g_strv_find                     (char        **v,
-						  const char   *s);
-char *          _g_str_remove_suffix             (const char   *s,
-						  const char   *suffix);
-void            _g_string_append_for_html        (GString      *str,
-						  const char   *text,
-						  gssize        length);
-char *          _g_escape_for_html               (const char   *text,
-						  gssize        length);
+int             _g_strv_find                     (char       **v,
+						  const char  *s);
+char **         _g_strv_prepend                  (char       **str_array,
+						  const char  *str);
+gboolean        _g_strv_remove                   (char       **str_array,
+						  const char  *str);
+char *          _g_str_remove_suffix             (const char  *s,
+						  const char  *suffix);
+void            _g_string_append_for_html        (GString     *str,
+						  const char  *text,
+						  gssize       length);
+char *          _g_escape_for_html               (const char  *text,
+						  gssize       length);
 
 /* Array utils*/
 
@@ -296,9 +300,24 @@ gboolean        _g_mime_type_is_image            (const char *mime_type);
 gboolean        _g_mime_type_is_video            (const char *mime_type);
 gboolean        _g_mime_type_is_audio            (const char *mime_type);
 
+/* GSettings utils */
+
+char *          _g_settings_get_uri              (GSettings  *settings,
+						  const char *key);
+void            _g_settings_set_uri              (GSettings  *settings,
+						  const char *key,
+						  const char *uri);
+void            _g_settings_set_string_list      (GSettings  *settings,
+						  const char *key,
+						  GList      *list);
+GList *         _g_settings_get_string_list      (GSettings  *settings,
+		  	  	  	  	  const char *key);
+
 /* Other */
 
-char *          _g_format_duration_for_display   (gint64 msecs);
+char *          _g_format_duration_for_display   (gint64      msecs);
+GList *         _g_list_prepend_link             (GList      *list,
+						  GList      *link);
 
 G_END_DECLS