79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package widgets
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import (
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"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"
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)
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type ExLine struct {
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ui.Invalidatable
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cancel func()
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commit func(cmd string)
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tabcomplete func(cmd string) []string
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cmdHistory lib.History
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input *ui.TextInput
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}
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func NewExLine(commit func(cmd string), cancel func(),
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tabcomplete func(cmd string) []string,
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cmdHistory lib.History) *ExLine {
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input := ui.NewTextInput("").Prompt(":")
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exline := &ExLine{
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cancel: cancel,
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commit: commit,
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tabcomplete: tabcomplete,
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cmdHistory: cmdHistory,
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input: input,
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}
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input.OnInvalidate(func(d ui.Drawable) {
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exline.Invalidate()
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})
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return exline
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}
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func (ex *ExLine) Invalidate() {
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ex.DoInvalidate(ex)
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}
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func (ex *ExLine) Draw(ctx *ui.Context) {
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ex.input.Draw(ctx)
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}
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func (ex *ExLine) Focus(focus bool) {
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ex.input.Focus(focus)
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}
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func (ex *ExLine) Event(event tcell.Event) bool {
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switch event := event.(type) {
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case *tcell.EventKey:
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switch event.Key() {
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case tcell.KeyEnter:
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cmd := ex.input.String()
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ex.input.Focus(false)
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ex.commit(cmd)
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case tcell.KeyUp:
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ex.input.Set(ex.cmdHistory.Prev())
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ex.Invalidate()
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case tcell.KeyDown:
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ex.input.Set(ex.cmdHistory.Next())
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ex.Invalidate()
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case tcell.KeyEsc, tcell.KeyCtrlC:
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ex.input.Focus(false)
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ex.cmdHistory.Reset()
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ex.cancel()
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case tcell.KeyTab:
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complete := ex.tabcomplete(ex.input.StringLeft())
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if len(complete) == 1 {
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ex.input.Set(complete[0] + " " + ex.input.StringRight())
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}
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ex.Invalidate()
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default:
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return ex.input.Event(event)
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}
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}
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return true
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}
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