aerc/widgets/exline.go

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Go
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package widgets
import (
"github.com/gdamore/tcell"
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"git.sr.ht/~sircmpwn/aerc/lib"
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"git.sr.ht/~sircmpwn/aerc/lib/ui"
)
type ExLine struct {
ui.Invalidatable
cancel func()
commit func(cmd string)
tabcomplete func(cmd string) []string
cmdHistory lib.History
input *ui.TextInput
}
func NewExLine(commit func(cmd string), cancel func(),
tabcomplete func(cmd string) []string,
cmdHistory lib.History) *ExLine {
input := ui.NewTextInput("").Prompt(":").TabComplete(tabcomplete)
exline := &ExLine{
cancel: cancel,
commit: commit,
tabcomplete: tabcomplete,
cmdHistory: cmdHistory,
input: input,
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}
input.OnInvalidate(func(d ui.Drawable) {
exline.Invalidate()
})
return exline
}
func (ex *ExLine) Invalidate() {
ex.DoInvalidate(ex)
}
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func (ex *ExLine) Draw(ctx *ui.Context) {
ex.input.Draw(ctx)
}
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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()
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ex.input.Focus(false)
ex.commit(cmd)
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:
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ex.input.Focus(false)
ex.cmdHistory.Reset()
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ex.cancel()
default:
return ex.input.Event(event)
}
}
return true
}