aerc/commands/account/next.go

73 lines
1.3 KiB
Go

package account
import (
"errors"
"fmt"
"strconv"
"strings"
"git.sr.ht/~sircmpwn/aerc/widgets"
)
type NextPrevMsg struct{}
func init() {
register(NextPrevMsg{})
}
func (_ NextPrevMsg) Aliases() []string {
return []string{"next", "next-message", "prev", "prev-message"}
}
func (_ NextPrevMsg) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (_ NextPrevMsg) Execute(aerc *widgets.Aerc, args []string) error {
if len(args) > 2 {
return nextPrevMessageUsage(args[0])
}
var (
n int = 1
err error
pct bool
)
if len(args) > 1 {
if strings.HasSuffix(args[1], "%") {
pct = true
args[1] = args[1][:len(args[1])-1]
}
n, err = strconv.Atoi(args[1])
if err != nil {
return nextPrevMessageUsage(args[0])
}
}
acct := aerc.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
if pct {
n = int(float64(acct.Messages().Height()) * (float64(n) / 100.0))
}
for ; n > 0; n-- {
if args[0] == "prev-message" || args[0] == "prev" {
store := acct.Store()
if store != nil {
store.Prev()
}
acct.Messages().Scroll()
} else {
store := acct.Store()
if store != nil {
store.Next()
}
acct.Messages().Scroll()
}
}
return nil
}
func nextPrevMessageUsage(cmd string) error {
return errors.New(fmt.Sprintf("Usage: %s [<n>[%%]]", cmd))
}