2 files changed, 32 insertions, 9 deletions
diff --git a/src/tab.c b/src/tab.c
index 74c9085..364e3a5 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -21,6 +21,7 @@
 
 #include "tab.h"
 
+#include <stdarg.h>
 #include <stdlib.h>
 
 #include <gtk/gtk.h>
@@ -31,15 +32,6 @@
 #include "web-view.h"
 
 static void
-foreach_tab(MqTab *node, void (*cb)(MqTab *node))
-{
-	for (; node; node = node->next) {
-		cb(node);
-		foreach_tab(node->first_child, cb);
-	}
-}
-
-static void
 update_positions(MqTab *node, gint step)
 {
 	if (node) {
@@ -274,6 +266,32 @@ mq_tab_seek(MqTab *node, guint position)
 	return mq_tab_seek(node->first_child, position);
 }
 
+static void
+foreach_tab(MqTab *node, void (*cb)(MqTab *node, va_list ap), va_list ap)
+{
+	va_list aq;
+
+	for (; node; node = node->next) {
+		va_copy(ap, aq);
+		cb(node, aq);
+		va_end(aq);
+
+		va_copy(ap, aq);
+		foreach_tab(node->first_child, cb, aq);
+		va_end(aq);
+	}
+}
+
+void
+mq_tab_foreach(MqTab *node, void (*cb)(MqTab *node, va_list ap), ...)
+{
+	va_list ap;
+
+	va_start(ap, cb);
+	foreach_tab(node->root->first_child, cb, ap);
+	va_end(ap);
+}
+
 void
 mq_tab_scroll_tab_labels(MqTab *node)
 {
diff --git a/src/tab.h b/src/tab.h
index 83eed19..53ce9ce 100644
--- a/src/tab.h
+++ b/src/tab.h
@@ -24,6 +24,8 @@ typedef struct MqTab MqTab;
 #ifndef MQ_TAB_H
 #define MQ_TAB_H
 
+#include <stdarg.h>
+
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <webkit2/webkit2.h>
@@ -82,6 +84,9 @@ MqTab *
 mq_tab_seek(MqTab *node, guint position);
 
 void
+mq_tab_foreach(MqTab *node, void (*cb)(MqTab *node, va_list ap), ...);
+
+void
 mq_tab_scroll_tab_labels(MqTab *node);
 
 void