Add type "Page". (page_new): New helper function. (page_free): New helper

* e-shell-settings-dialog.c: Add type "Page".
(page_new): New helper function.
(page_free): New helper function.
(compare_page_func): Callback for sorting a GList of pages.
(sort_page_list): New helper function.
(load_pages): Create the pages, sort them, add them sorted.  Now
we have a priority field that overrides alphabetical sorting.

svn path=/trunk/; revision=16291

2 files changed, 114 insertions, 7 deletions

diff --git a/shell/ChangeLog b/shell/ChangeLog
index 4e2e94ac8b..ced37c0b2d 100644
--- a/shell/ChangeLog
+++ b/shell/ChangeLog
@@ -1,3 +1,13 @@
+2002-03-29  Ettore Perazzoli  <ettore@ximian.com>
+
+	* e-shell-settings-dialog.c: Add type "Page".
+	(page_new): New helper function.
+	(page_free): New helper function.
+	(compare_page_func): Callback for sorting a GList of pages.
+	(sort_page_list): New helper function.
+	(load_pages): Create the pages, sort them, add them sorted.  Now
+	we have a priority field that overrides alphabetical sorting.
+
 2002-03-26  Ettore Perazzoli  <ettore@ximian.com>
 
 	* e-component-info.c: New.
diff --git a/shell/e-shell-settings-dialog.c b/shell/e-shell-settings-dialog.c
index 76cf594ea4..31896cb073 100644
--- a/shell/e-shell-settings-dialog.c
+++ b/shell/e-shell-settings-dialog.c
@@ -44,12 +44,81 @@
 static EMultiConfigDialogClass *parent_class = NULL;
 
 
+/* Page handling.  */
+
+struct _Page {
+	char *title;
+	char *description;
+	GdkPixbuf *icon;
+	int priority;
+	EConfigPage *page_widget;
+};
+typedef struct _Page Page;
+
+static Page *
+page_new (const char *title,
+	  const char *description,
+	  GdkPixbuf *icon,
+	  int priority,
+	  EConfigPage *page_widget)
+{
+	Page *page;
+
+	if (icon != NULL)
+		gdk_pixbuf_ref (icon);
+
+	page = g_new (Page, 1);
+	page->title       = g_strdup (title);
+	page->description = g_strdup (description);
+	page->icon        = icon;
+	page->priority    = priority;
+	page->page_widget = page_widget;
+
+	return page;
+}
+
+static void
+page_free (Page *page)
+{
+	g_free (page->title);
+	g_free (page->description);
+
+	if (page->icon != NULL)
+		gdk_pixbuf_unref (page->icon);
+
+	g_free (page);
+}
+
+static int
+compare_page_func (const void *a,
+		   const void *b)
+{
+	const Page *page_a;
+	const Page *page_b;
+
+	page_a = (const Page *) a;
+	page_b = (const Page *) b;
+
+	if (page_a->priority == page_b->priority)
+		return strcmp (page_a->title, page_b->title);
+
+	return page_a->priority - page_b->priority;
+}
+
+static GList *
+sort_page_list (GList *list)
+{
+	return g_list_sort (list, compare_page_func);
+}
+
 static void
 load_pages (EShellSettingsDialog *dialog)
 {
 	OAF_ServerInfoList *control_list;
 	CORBA_Environment ev;
 	GSList *language_list;
+	GList *page_list;
+	GList *p;
 	int i;
 
 	CORBA_exception_init (&ev);
@@ -63,19 +132,23 @@ load_pages (EShellSettingsDialog *dialog)
 
 	language_list = e_get_language_list ();
 
+	page_list = NULL;
 	for (i = 0; i < control_list->_length; i ++) {
 		CORBA_Object corba_object;
 		OAF_ServerInfo *info;
 		const char *title;
 		const char *description;
 		const char *icon_path;
+		const char *priority_string;
+		int priority;
 		GdkPixbuf *icon;
 
 		info = & control_list->_buffer[i];
 
-		title       = oaf_server_info_prop_lookup (info, "evolution:config_item:title", language_list);
-		description = oaf_server_info_prop_lookup (info, "evolution:config_item:description", language_list);
-		icon_path   = oaf_server_info_prop_lookup (info, "evolution:config_item:icon_name", NULL);
+		title       	= oaf_server_info_prop_lookup (info, "evolution:config_item:title", language_list);
+		description 	= oaf_server_info_prop_lookup (info, "evolution:config_item:description", language_list);
+		icon_path   	= oaf_server_info_prop_lookup (info, "evolution:config_item:icon_name", NULL);
+		priority_string = oaf_server_info_prop_lookup (info, "evolution:config_item:priority", NULL);
 
 		if (icon_path == NULL) {
 			icon = NULL;
@@ -91,11 +164,20 @@ load_pages (EShellSettingsDialog *dialog)
 			}
 		}
 
+		if (priority_string == NULL)
+			priority = 0xffff;
+		else
+			priority = atoi (priority_string);
+
 		corba_object = oaf_activate_from_id ((char *) info->iid, 0, NULL, &ev);
+
 		if (! BONOBO_EX (&ev)) {
-			e_multi_config_dialog_add_page (E_MULTI_CONFIG_DIALOG (dialog),
-							title, description, icon,
-							E_CONFIG_PAGE (e_corba_config_page_new_from_objref (corba_object)));
+			Page *page;
+
+			page = page_new (title, description, icon, priority,
+					 E_CONFIG_PAGE (e_corba_config_page_new_from_objref (corba_object)));
+
+			page_list = g_list_prepend (page_list, page);
 		} else {
 			g_warning ("Cannot activate %s -- %s", info->iid, BONOBO_EX_ID (&ev));
 		}
@@ -104,9 +186,24 @@ load_pages (EShellSettingsDialog *dialog)
 			gdk_pixbuf_unref (icon);
 	}
 
-	CORBA_free (control_list);
+	page_list = sort_page_list (page_list);
+	for (p = page_list; p != NULL; p = p->next) {
+		Page *page;
+
+		page = (Page *) p->data;
+
+		e_multi_config_dialog_add_page (E_MULTI_CONFIG_DIALOG (dialog),
+						page->title,
+						page->description,
+						page->icon,
+						page->page_widget);
 
+		page_free (page);
+	}
+
+	g_list_free (page_list);
 	e_free_language_list (language_list);
+	CORBA_free (control_list);
 
 	CORBA_exception_free (&ev);
 }