Copy libslab from gnome-main-menu, for not breaking 2.26.x
This commit is contained in:
Rodrigo Moya
parent
1db2175f49
commit
d35675191b
51 changed files with 12122 additions and 7 deletions
346
libslab/gnome-utils.c
Normal file
346
libslab/gnome-utils.c
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@ -0,0 +1,346 @@
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#include "gnome-utils.h"
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#include <string.h>
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static void section_header_style_set (GtkWidget *, GtkStyle *, gpointer);
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gboolean
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load_image_by_id (GtkImage * image, GtkIconSize size, const gchar * image_id)
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{
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GdkPixbuf *pixbuf;
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gint width;
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gint height;
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GtkIconTheme *icon_theme;
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gchar *id;
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gboolean icon_exists;
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if (!image_id)
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return FALSE;
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id = g_strdup (image_id);
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gtk_icon_size_lookup (size, &width, &height);
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if (g_path_is_absolute (id))
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{
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pixbuf = gdk_pixbuf_new_from_file_at_size (id, width, height, NULL);
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icon_exists = (pixbuf != NULL);
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if (icon_exists)
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{
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gtk_image_set_from_pixbuf (image, pixbuf);
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g_object_unref (pixbuf);
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}
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else
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gtk_image_set_from_stock (image, "gtk-missing-image", size);
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}
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else
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{
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if ( /* file extensions are not copesetic with loading by "name" */
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g_str_has_suffix (id, ".png") ||
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g_str_has_suffix (id, ".svg") ||
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g_str_has_suffix (id, ".xpm")
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)
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id[strlen (id) - 4] = '\0';
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if (gtk_widget_has_screen (GTK_WIDGET (image)))
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icon_theme =
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gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET
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(image)));
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else
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icon_theme = gtk_icon_theme_get_default ();
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icon_exists = gtk_icon_theme_has_icon (icon_theme, id);
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if (icon_exists)
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gtk_image_set_from_icon_name (image, id, size);
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else
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gtk_image_set_from_stock (image, "gtk-missing-image", size);
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}
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g_free (id);
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return icon_exists;
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}
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GnomeDesktopItem *
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load_desktop_item_by_unknown_id (const gchar * id)
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{
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GnomeDesktopItem *item;
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GError *error = NULL;
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item = gnome_desktop_item_new_from_uri (id, 0, &error);
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if (!error)
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return item;
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else
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{
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g_error_free (error);
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error = NULL;
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}
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item = gnome_desktop_item_new_from_file (id, 0, &error);
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if (!error)
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return item;
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else
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{
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g_error_free (error);
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error = NULL;
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}
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item = gnome_desktop_item_new_from_basename (id, 0, &error);
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if (!error)
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return item;
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else
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{
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g_error_free (error);
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error = NULL;
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}
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return NULL;
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}
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gpointer
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get_gconf_value (const gchar * key)
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{
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GConfClient *client;
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GConfValue *value;
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GError *error = NULL;
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gpointer retval = NULL;
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GList *list;
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GSList *slist;
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GConfValue *value_i;
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GSList *node;
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client = gconf_client_get_default ();
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value = gconf_client_get (client, key, &error);
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if (error || ! value)
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{
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handle_g_error (&error, "%s: error getting %s", G_STRFUNC, key);
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goto exit;
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}
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switch (value->type)
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{
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case GCONF_VALUE_STRING:
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retval = (gpointer) g_strdup (gconf_value_get_string (value));
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break;
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case GCONF_VALUE_INT:
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retval = GINT_TO_POINTER (gconf_value_get_int (value));
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break;
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case GCONF_VALUE_BOOL:
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retval = GINT_TO_POINTER (gconf_value_get_bool (value));
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break;
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case GCONF_VALUE_LIST:
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list = NULL;
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slist = gconf_value_get_list (value);
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for (node = slist; node; node = node->next)
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{
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value_i = (GConfValue *) node->data;
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if (value_i->type == GCONF_VALUE_STRING)
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list = g_list_append (list,
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g_strdup (gconf_value_get_string (value_i)));
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else if (value_i->type == GCONF_VALUE_INT)
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list = g_list_append (list,
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GINT_TO_POINTER (gconf_value_get_int (value_i)));
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else
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g_assert_not_reached ();
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}
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retval = (gpointer) list;
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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exit:
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g_object_unref (client);
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if(value)
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gconf_value_free (value);
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return retval;
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}
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void
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set_gconf_value (const gchar * key, gconstpointer data)
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{
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GConfClient *client;
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GConfValue *value;
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GConfValueType type;
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GConfValueType list_type;
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GSList *slist = NULL;
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GError *error = NULL;
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GConfValue *value_i;
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GList *node;
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client = gconf_client_get_default ();
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value = gconf_client_get (client, key, &error);
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if (error)
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{
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handle_g_error (&error, "%s: error getting %s", G_STRFUNC, key);
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goto exit;
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}
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type = value->type;
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list_type =
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(type ==
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GCONF_VALUE_LIST ? gconf_value_get_list_type (value) : GCONF_VALUE_INVALID);
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gconf_value_free (value);
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value = gconf_value_new (type);
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if (type == GCONF_VALUE_LIST)
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gconf_value_set_list_type (value, list_type);
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switch (type)
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{
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case GCONF_VALUE_STRING:
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gconf_value_set_string (value, g_strdup ((gchar *) data));
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break;
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case GCONF_VALUE_INT:
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gconf_value_set_int (value, GPOINTER_TO_INT (data));
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break;
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case GCONF_VALUE_BOOL:
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gconf_value_set_bool (value, GPOINTER_TO_INT (data));
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break;
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case GCONF_VALUE_LIST:
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for (node = (GList *) data; node; node = node->next)
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{
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value_i = gconf_value_new (list_type);
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if (list_type == GCONF_VALUE_STRING)
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gconf_value_set_string (value_i, (const gchar *) node->data);
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else if (list_type == GCONF_VALUE_INT)
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gconf_value_set_int (value_i, GPOINTER_TO_INT (node->data));
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else
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g_assert_not_reached ();
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slist = g_slist_append (slist, value_i);
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}
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gconf_value_set_list_nocopy (value, slist);
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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gconf_client_set (client, key, value, &error);
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if (error)
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handle_g_error (&error, "%s: error setting %s", G_STRFUNC, key);
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exit:
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gconf_value_free (value);
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g_object_unref (client);
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}
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guint
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connect_gconf_notify (const gchar * key, GConfClientNotifyFunc cb, gpointer user_data)
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{
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GConfClient *client;
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guint conn_id;
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GError *error = NULL;
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client = gconf_client_get_default ();
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conn_id = gconf_client_notify_add (client, key, cb, user_data, NULL, &error);
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if (error)
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handle_g_error (&error, "%s: error adding notify for (%s)", G_STRFUNC, key);
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g_object_unref (client);
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return conn_id;
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}
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void
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handle_g_error (GError ** error, const gchar * msg_format, ...)
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{
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gchar *msg;
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va_list args;
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va_start (args, msg_format);
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msg = g_strdup_vprintf (msg_format, args);
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va_end (args);
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if (*error)
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{
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g_log (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
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"\nGError raised: [%s]\nuser_message: [%s]\n", (*error)->message, msg);
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g_error_free (*error);
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*error = NULL;
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}
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else
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g_log (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, "\nerror raised: [%s]\n", msg);
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g_free (msg);
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}
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GtkWidget *
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get_main_menu_section_header (const gchar * markup)
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{
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GtkWidget *label;
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gchar *text;
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text = g_strdup_printf ("<span size=\"large\">%s</span>", markup);
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label = gtk_label_new (text);
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gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
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gtk_widget_set_name (label, "gnome-main-menu-section-header");
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g_signal_connect (G_OBJECT (label), "style-set", G_CALLBACK (section_header_style_set),
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NULL);
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g_free (text);
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return label;
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}
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static void
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section_header_style_set (GtkWidget * widget, GtkStyle * prev_style, gpointer user_data)
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{
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if (prev_style
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&& widget->style->fg[GTK_STATE_SELECTED].green ==
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prev_style->fg[GTK_STATE_SELECTED].green)
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return;
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gtk_widget_modify_fg (widget, GTK_STATE_NORMAL, &widget->style->bg[GTK_STATE_SELECTED]);
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}
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