Add directory list widget

widgets/account.go

@@ -15,6 +15,7 @@ import (
 
 type AccountView struct {
 	conf         *config.AccountConfig
+	dirlist      *DirectoryList
 	grid         *ui.Grid
 	logger       *log.Logger
 	interactive  ui.Interactive
@@ -38,8 +39,6 @@ func NewAccountView(
 		{ui.SIZE_EXACT, 20},
 		{ui.SIZE_WEIGHT, 1},
 	})
-	grid.AddChild(ui.NewBordered(
-		ui.NewFill('s'), ui.BORDER_RIGHT)).Span(2, 1)
 	grid.AddChild(ui.NewFill('.')).At(0, 1)
 	grid.AddChild(statusbar).At(1, 1)
 
@@ -54,8 +53,12 @@ func NewAccountView(
 		}
 	}
 
+	dirlist := NewDirectoryList(logger, worker)
+	grid.AddChild(ui.NewBordered(dirlist, ui.BORDER_RIGHT)).Span(2, 1)
+
 	acct := &AccountView{
 		conf:       conf,
+		dirlist:    dirlist,
 		grid:       grid,
 		logger:     logger,
 		statusline: statusline,
@@ -78,27 +81,6 @@ func NewAccountView(
 	return acct
 }
 
-func (acct *AccountView) connected(msg types.WorkerMessage) {
-	switch msg := msg.(type) {
-	case *types.Done:
-		acct.statusline.Set("Connected.")
-		acct.logger.Println("Connected.")
-		acct.worker.PostAction(&types.ListDirectories{}, nil)
-	case *types.CertificateApprovalRequest:
-		// TODO: Ask the user
-		acct.logger.Println("Approved unknown certificate.")
-		acct.statusline.Push("Approved unknown certificate.", 5*time.Second)
-		acct.worker.PostAction(&types.ApproveCertificate{
-			Message:  types.RespondTo(msg),
-			Approved: true,
-		}, acct.connected)
-	default:
-		acct.logger.Println("Connection failed.")
-		acct.statusline.Set("Connection failed.").
-			Color(tcell.ColorRed, tcell.ColorDefault)
-	}
-}
-
 func (acct *AccountView) OnInvalidate(onInvalidate func(d ui.Drawable)) {
 	acct.grid.OnInvalidate(func(_ ui.Drawable) {
 		onInvalidate(acct)
@@ -136,3 +118,24 @@ func (acct *AccountView) Event(event tcell.Event) bool {
 	}
 	return false
 }
+
+func (acct *AccountView) connected(msg types.WorkerMessage) {
+	switch msg := msg.(type) {
+	case *types.Done:
+		acct.statusline.Set("Connected.")
+		acct.logger.Println("Connected.")
+		acct.dirlist.UpdateList()
+	case *types.CertificateApprovalRequest:
+		// TODO: Ask the user
+		acct.logger.Println("Approved unknown certificate.")
+		acct.statusline.Push("Approved unknown certificate.", 5*time.Second)
+		acct.worker.PostAction(&types.ApproveCertificate{
+			Message:  types.RespondTo(msg),
+			Approved: true,
+		}, acct.connected)
+	default:
+		acct.logger.Println("Connection failed.")
+		acct.statusline.Set("Connection failed.").
+			Color(tcell.ColorRed, tcell.ColorDefault)
+	}
+}

widgets/directories.go

@@ -0,0 +1,58 @@
+package widgets
+
+import (
+	"log"
+	"sort"
+
+	"github.com/gdamore/tcell"
+
+	"git.sr.ht/~sircmpwn/aerc2/lib/ui"
+	"git.sr.ht/~sircmpwn/aerc2/worker/types"
+)
+
+type DirectoryList struct {
+	dirs         []string
+	logger       *log.Logger
+	onInvalidate func(d ui.Drawable)
+	worker       *types.Worker
+}
+
+func NewDirectoryList(logger *log.Logger, worker *types.Worker) *DirectoryList {
+	return &DirectoryList{logger: logger, worker: worker}
+}
+
+func (dirlist *DirectoryList) UpdateList() {
+	var dirs []string
+	dirlist.worker.PostAction(
+		&types.ListDirectories{}, func(msg types.WorkerMessage) {
+
+			switch msg := msg.(type) {
+			case *types.Directory:
+				dirs = append(dirs, msg.Name)
+			case *types.Done:
+				sort.Strings(dirs)
+				dirlist.dirs = dirs
+				dirlist.Invalidate()
+			}
+		})
+}
+
+func (dirlist *DirectoryList) OnInvalidate(onInvalidate func(d ui.Drawable)) {
+	dirlist.onInvalidate = onInvalidate
+}
+
+func (dirlist *DirectoryList) Invalidate() {
+	if dirlist.onInvalidate != nil {
+		dirlist.onInvalidate(dirlist)
+	}
+}
+
+func (dirlist *DirectoryList) Draw(ctx *ui.Context) {
+	ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
+	for i, name := range dirlist.dirs {
+		if i >= ctx.Height() {
+			break
+		}
+		ctx.Printf(0, i, tcell.StyleDefault, "%s", name)
+	}
+}