widget: Add ProvidesMessage interface

Consists of 3 functions
* Store: Access to MessageStore type
* SelectedAccount: Access to Account widget that the target widget
belongs to
* SelectedMessage: Current message (selected in msglist or the one we
are viewing)

Signed-off-by: Kevin Kuehler <keur@ocf.berkeley.edu>

1 files changed, 12 insertions, 0 deletions

diff --git a/widgets/account.go b/widgets/account.go
index f553a92..4526c02 100644
--- a/widgets/account.go
+++ b/widgets/account.go
@@ -157,6 +157,18 @@ func (acct *AccountView) Messages() *MessageList {
 	return acct.msglist
 }
 
+func (acct *AccountView) Store() *lib.MessageStore {
+	return acct.msglist.Store()
+}
+
+func (acct *AccountView) SelectedMessage() *types.MessageInfo {
+	return acct.msglist.Selected()
+}
+
+func (acct *AccountView) SelectedAccount() *AccountView {
+	return acct
+}
+
 func (acct *AccountView) onMessage(msg types.WorkerMessage) {
 	switch msg := msg.(type) {
 	case *types.Done: