Fix segfault on :view-message for unloaded message

This also fixes segfault on :view-message on empty directory

Signed-off-by: Tom Lebreux <tomlebreux@cock.li>

1 files changed, 4 insertions, 0 deletions

diff --git a/widgets/msglist.go b/widgets/msglist.go
index 1624e64..ea9b245 100644
--- a/widgets/msglist.go
+++ b/widgets/msglist.go
@@ -138,6 +138,10 @@ func (ml *MessageList) Store() *lib.MessageStore {
 	return ml.store
 }
 
+func (ml *MessageList) Empty() bool {
+	return ml.store == nil || len(ml.store.Uids) == 0
+}
+
 func (ml *MessageList) Selected() *types.MessageInfo {
 	return ml.store.Messages[ml.store.Uids[len(ml.store.Uids)-ml.selected-1]]
 }