MqTab: Propagate root pointer through tree

2 files changed, 4 insertions, 0 deletions

diff --git a/src/tab.c b/src/tab.c
index 8ba6f0c..a38f5c4 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -75,6 +75,7 @@ update_tree_sizes(MqTab *node, guint step)
 static void
 append_child(MqTab *new_node, MqTab *parent)
 {
+	new_node->root = parent->root;
 	new_node->parent = parent;
 	new_node->next = NULL;
 	new_node->prev = parent->last_child;  /* May be NULL */
@@ -95,6 +96,7 @@ append_child(MqTab *new_node, MqTab *parent)
 static void
 append_sibling(MqTab *new_node, MqTab *prev_sibling)
 {
+	new_node->root = prev_sibling->root;
 	new_node->parent = prev_sibling->parent;
 	new_node->prev = prev_sibling;
 	new_node->next = prev_sibling->next;  /* May be NULL */
@@ -406,6 +408,7 @@ mq_tab_new_root(MqWindow *window)
 	MqTab *tab;
 
 	tab = malloc(sizeof(*tab));
+	tab->root = tab;
 	tab->parent = NULL;
 	tab->prev = NULL;
 	tab->next = NULL;
diff --git a/src/tab.h b/src/tab.h
index 7e3c379..1258dd1 100644
--- a/src/tab.h
+++ b/src/tab.h
@@ -32,6 +32,7 @@ typedef struct MqTab MqTab;
 #include "tab-body.h"
 
 struct MqTab {
+	MqTab           *root;
 	MqTab           *parent;
 	MqTab           *prev;
 	MqTab           *next;