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package widgets
import (
"github.com/gdamore/tcell/v2"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/ui"
)
type ExLine struct {
ui.Invalidatable
commit func(cmd string)
finish func()
tabcomplete func(cmd string) ([]string, string)
cmdHistory lib.History
input *ui.TextInput
conf *config.AercConfig
}
func NewExLine(conf *config.AercConfig, cmd string, commit func(cmd string), finish func(),
tabcomplete func(cmd string) ([]string, string),
cmdHistory lib.History) *ExLine {
input := ui.NewTextInput("", conf.Ui).Prompt(":").Set(cmd)
if conf.Ui.CompletionPopovers {
input.TabComplete(tabcomplete, conf.Ui.CompletionDelay)
}
exline := &ExLine{
commit: commit,
finish: finish,
tabcomplete: tabcomplete,
cmdHistory: cmdHistory,
input: input,
conf: conf,
}
input.OnInvalidate(func(d ui.Drawable) {
exline.Invalidate()
})
return exline
}
func NewPrompt(conf *config.AercConfig, prompt string, commit func(text string),
tabcomplete func(cmd string) ([]string, string)) *ExLine {
input := ui.NewTextInput("", conf.Ui).Prompt(prompt)
if conf.Ui.CompletionPopovers {
input.TabComplete(tabcomplete, conf.Ui.CompletionDelay)
}
exline := &ExLine{
commit: commit,
tabcomplete: tabcomplete,
cmdHistory: &nullHistory{input: input},
input: input,
}
input.OnInvalidate(func(d ui.Drawable) {
exline.Invalidate()
})
return exline
}
func (ex *ExLine) Invalidate() {
ex.DoInvalidate(ex)
}
func (ex *ExLine) Draw(ctx *ui.Context) {
ex.input.Draw(ctx)
}
func (ex *ExLine) Focus(focus bool) {
ex.input.Focus(focus)
}
func (ex *ExLine) Event(event tcell.Event) bool {
switch event := event.(type) {
case *tcell.EventKey:
switch event.Key() {
case tcell.KeyEnter, tcell.KeyCtrlJ:
cmd := ex.input.String()
ex.input.Focus(false)
ex.commit(cmd)
ex.finish()
case tcell.KeyUp:
ex.input.Set(ex.cmdHistory.Prev())
ex.Invalidate()
case tcell.KeyDown:
ex.input.Set(ex.cmdHistory.Next())
ex.Invalidate()
case tcell.KeyEsc, tcell.KeyCtrlC:
ex.input.Focus(false)
ex.cmdHistory.Reset()
ex.finish()
default:
return ex.input.Event(event)
}
}
return true
}
type nullHistory struct {
input *ui.TextInput
}
func (*nullHistory) Add(string) {}
func (h *nullHistory) Next() string {
return h.input.String()
}
func (h *nullHistory) Prev() string {
return h.input.String()
}
func (*nullHistory) Reset() {}
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