/
input_header.go
60 lines (50 loc) 路 1.19 KB
/
input_header.go
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package oviewer
import (
"strconv"
"github.com/gdamore/tcell/v2"
)
// setHeaderMode sets the inputMode to Header.
func (root *Root) setHeaderMode() {
input := root.input
input.reset()
input.Event = newHeaderEvent()
}
// eventHeader represents the goto input mode.
type eventHeader struct {
tcell.EventTime
value string
}
// newHeaderEvent returns headerEvent.
func newHeaderEvent() *eventHeader {
return &eventHeader{}
}
// Mode returns InputMode.
func (*eventHeader) Mode() InputMode {
return Header
}
// Prompt returns the prompt string in the input field.
func (*eventHeader) Prompt() string {
return "Header length:"
}
// Confirm returns the event when the input is confirmed.
func (e *eventHeader) Confirm(str string) tcell.Event {
e.value = str
e.SetEventNow()
return e
}
// Up returns strings when the up key is pressed during input.
func (*eventHeader) Up(str string) string {
n, err := strconv.Atoi(str)
if err != nil {
return "0"
}
return strconv.Itoa(n + 1)
}
// Down returns strings when the down key is pressed during input.
func (*eventHeader) Down(str string) string {
n, err := strconv.Atoi(str)
if err != nil || n <= 0 {
return "0"
}
return strconv.Itoa(n - 1)
}