Update bookmark list also on any line changes in the document

In addition to updating the bookmark list on document notebook tab change
and adding/removing line markers, also rebuild the bookmark list
when the text in the document changes with lines added or deleted.

Should fix SF bugs geany#129 and geany#39.

addons/src/ao_bookmarklist.c

@@ -69,7 +69,7 @@ struct _AoBookmarkListPrivate
 typedef struct
 {
 	AoBookmarkList *bm;
-	GeanyDocument *document;
+	guint document_id;
 } AoBookmarkListRefreshContainer;
 
 enum
@@ -416,11 +416,12 @@ static gboolean update_bookmark_list_delayed(gpointer data)
 	AoBookmarkListRefreshContainer *container = data;
 	AoBookmarkList *bm = container->bm;
 	AoBookmarkListPrivate *priv = AO_BOOKMARK_LIST_GET_PRIVATE(bm);
-	GeanyDocument *doc = container->document;
-	ScintillaObject *sci = doc->editor->sci;
+	GeanyDocument *doc = document_find_by_id(container->document_id);
 
-	if (priv->enable_bookmarklist && DOC_VALID(doc))
+	if (priv->enable_bookmarklist && doc != NULL)
 	{
+		ScintillaObject *sci = doc->editor->sci;
+
 		gtk_list_store_clear(priv->store);
 		while ((line_nr = scintilla_send_message(sci, SCI_MARKERNEXT, line_nr, mask)) != -1)
 		{
@@ -438,11 +439,13 @@ static gboolean update_bookmark_list_delayed(gpointer data)
 void ao_bookmark_list_update(AoBookmarkList *bm, GeanyDocument *doc)
 {
 	AoBookmarkListPrivate *priv = AO_BOOKMARK_LIST_GET_PRIVATE(bm);
+
 	if (priv->refresh_idle_source_id == 0)
 	{
 		AoBookmarkListRefreshContainer *container = g_new0(AoBookmarkListRefreshContainer, 1);
+
 		container->bm = bm;
-		container->document = doc;
+		container->document_id = doc->id;
 		priv->refresh_idle_source_id = plugin_idle_add(
 			geany_plugin,
 			update_bookmark_list_delayed,
@@ -455,16 +458,23 @@ void ao_bookmark_list_update_marker(AoBookmarkList *bm, GeanyEditor *editor, SCN
 {
 	AoBookmarkListPrivate *priv = AO_BOOKMARK_LIST_GET_PRIVATE(bm);
 
-	if (priv->enable_bookmarklist &&
-		nt->nmhdr.code == SCN_MODIFIED && nt->modificationType == SC_MOD_CHANGEMARKER)
+	if (priv->enable_bookmarklist && nt->nmhdr.code == SCN_MODIFIED)
 	{
-		if (sci_is_marker_set_at_line(editor->sci, nt->line, 1))
+		if (nt->modificationType == SC_MOD_CHANGEMARKER)
 		{
-			add_line(bm, editor->sci, nt->line);
+			if (sci_is_marker_set_at_line(editor->sci, nt->line, 1))
+			{
+				add_line(bm, editor->sci, nt->line);
+			}
+			else
+			{
+				delete_line(bm, nt->line);
+			}
 		}
-		else
+		else if (nt->linesAdded != 0)
 		{
-			delete_line(bm, nt->line);
+			/* if any lines changed, refresh the whole list as we refer line numbers */
+			ao_bookmark_list_update(bm, editor->document);
 		}
 	}
 }