Fixed crashing bug in tab_windows.go.

2014-08-21 13:02:33 -04:00 · 2014-08-21 13:02:33 -04:00 · 0be1bf5caa
parent 3a16648b83
commit 0be1bf5caa
1 changed files with 3 additions and 0 deletions
--- a/redo/tab_windows.go
+++ b/redo/tab_windows.go
@ -58,6 +58,9 @@ func tabChanged(data unsafe.Pointer, new C.LRESULT) {
 //export tabTabHasChildren
 func tabTabHasChildren(data unsafe.Pointer, which C.LRESULT) C.BOOL {
 	t := (*tab)(data)
+	if len(t.tabs) == 0 {		// currently no tabs
+		return C.FALSE
+	}
 	if t.tabs[int(which)].nchildren > 0 {
 		return C.TRUE
 	}