ui: add selections to CompactListing

Select multiple entries by pressing 'v'. Set read/unread and delete
actions are then performed on the selected entries.

1 files changed, 10 insertions, 2 deletions

diff --git a/melib/src/email.rs b/melib/src/email.rs
index 90de2071..06630b97 100644
--- a/melib/src/email.rs
+++ b/melib/src/email.rs
@@ -779,10 +779,18 @@ impl Envelope {
         self.flags
     }
     pub fn set_seen(&mut self, operation: Box<BackendOp>) -> Result<()> {
-        self.set_flag(Flag::SEEN, operation)
+        if !self.flags.contains(Flag::SEEN) {
+            self.set_flag(Flag::SEEN, operation)
+        } else {
+            Ok(())
+        }
     }
     pub fn set_unseen(&mut self, operation: Box<BackendOp>) -> Result<()> {
-        self.set_flag(Flag::SEEN, operation)
+        if self.flags.contains(Flag::SEEN) {
+            self.set_flag(Flag::SEEN, operation)
+        } else {
+            Ok(())
+        }
     }
     pub fn is_seen(&self) -> bool {
         self.flags.contains(Flag::SEEN)