statusline: indicate when sorting is in progress

Indicate when sorting is in progress in the statusline.

Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>

commands/account/sort.go

@@ -6,6 +6,7 @@ import (
 
 	"git.sr.ht/~rjarry/aerc/commands"
 	"git.sr.ht/~rjarry/aerc/lib/sort"
+	"git.sr.ht/~rjarry/aerc/lib/statusline"
 	"git.sr.ht/~rjarry/aerc/widgets"
 	"git.sr.ht/~rjarry/aerc/worker/types"
 )
@@ -82,9 +83,9 @@ func (Sort) Execute(aerc *widgets.Aerc, args []string) error {
 		}
 	}
 
-	aerc.SetStatus("Sorting")
+	acct.SetStatus(statusline.Sorting(true))
 	store.Sort(sortCriteria, func() {
-		aerc.SetStatus("Sorting complete")
+		acct.SetStatus(statusline.Sorting(false))
 	})
 	return nil
 }

lib/statusline/folderstate.go

@@ -4,6 +4,7 @@ type folderState struct {
 	Search         string
 	Filter         string
 	FilterActivity string
+	Sorting        string
 
 	Threading string
 }
@@ -21,6 +22,9 @@ func (fs *folderState) State() []string {
 	if fs.Search != "" {
 		line = append(line, fs.Search)
 	}
+	if fs.Sorting != "" {
+		line = append(line, fs.Sorting)
+	}
 	if fs.Threading != "" {
 		line = append(line, fs.Threading)
 	}

lib/statusline/state.go

@@ -109,6 +109,15 @@ func Search(desc string) SetStateFunc {
 	}
 }
 
+func Sorting(on bool) SetStateFunc {
+	return func(s *State, folder string) {
+		s.folderState(folder).Sorting = ""
+		if on {
+			s.folderState(folder).Sorting = "sorting"
+		}
+	}
+}
+
 func Threading(on bool) SetStateFunc {
 	return func(s *State, folder string) {
 		s.folderState(folder).Threading = ""