init: pristine aerc 0.20.0 source

commands/ct.go

@@ -0,0 +1,60 @@
+package commands
+
+import (
+	"errors"
+	"strconv"
+	"strings"
+
+	"git.sr.ht/~rjarry/aerc/app"
+)
+
+type ChangeTab struct {
+	Tab string `opt:"tab" complete:"CompleteTab" desc:"Tab name."`
+}
+
+func init() {
+	Register(ChangeTab{})
+}
+
+func (ChangeTab) Description() string {
+	return "Change the focus to the specified tab."
+}
+
+func (ChangeTab) Context() CommandContext {
+	return GLOBAL
+}
+
+func (ChangeTab) Aliases() []string {
+	return []string{"ct", "change-tab"}
+}
+
+func (*ChangeTab) CompleteTab(arg string) []string {
+	return FilterList(app.TabNames(), arg, nil)
+}
+
+func (c ChangeTab) Execute(args []string) error {
+	if c.Tab == "-" {
+		ok := app.SelectPreviousTab()
+		if !ok {
+			return errors.New("No previous tab to return to")
+		}
+	} else {
+		n, err := strconv.Atoi(c.Tab)
+		if err == nil {
+			if strings.HasPrefix(c.Tab, "+") || strings.HasPrefix(c.Tab, "-") {
+				app.SelectTabAtOffset(n)
+			} else {
+				ok := app.SelectTabIndex(n)
+				if !ok {
+					return errors.New("No tab with that index")
+				}
+			}
+		} else {
+			ok := app.SelectTab(c.Tab)
+			if !ok {
+				return errors.New("No tab with that name")
+			}
+		}
+	}
+	return nil
+}