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package app
import (
"context"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/go-opt/v2"
"git.sr.ht/~rockorager/vaxis"
)
type ExLine struct {
commit func(cmd string)
finish func()
tabcomplete func(ctx context.Context, cmd string) ([]opt.Completion, string)
cmdHistory lib.History
input *ui.TextInput
}
func NewExLine(cmd string, commit func(cmd string), finish func(),
tabcomplete func(ctx context.Context, cmd string) ([]opt.Completion, string),
cmdHistory lib.History,
) *ExLine {
input := ui.NewTextInput("", config.Ui).Prompt(":").Set(cmd)
if config.Ui.CompletionPopovers {
input.TabComplete(
tabcomplete,
config.Ui.CompletionDelay,
config.Ui.CompletionMinChars,
&config.Binds.Global.CompleteKey,
)
}
exline := &ExLine{
commit: commit,
finish: finish,
tabcomplete: tabcomplete,
cmdHistory: cmdHistory,
input: input,
}
return exline
}
func (x *ExLine) TabComplete(tabComplete func(context.Context, string) ([]opt.Completion, string)) {
x.input.TabComplete(
tabComplete,
config.Ui.CompletionDelay,
config.Ui.CompletionMinChars,
&config.Binds.Global.CompleteKey,
)
}
func NewPrompt(prompt string, commit func(text string),
tabcomplete func(ctx context.Context, cmd string) ([]opt.Completion, string),
) *ExLine {
input := ui.NewTextInput("", config.Ui).Prompt(prompt)
if config.Ui.CompletionPopovers {
input.TabComplete(
tabcomplete,
config.Ui.CompletionDelay,
config.Ui.CompletionMinChars,
&config.Binds.Global.CompleteKey,
)
}
exline := &ExLine{
commit: commit,
tabcomplete: tabcomplete,
cmdHistory: &nullHistory{input: input},
input: input,
}
return exline
}
func (ex *ExLine) Invalidate() {
ui.Invalidate()
}
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 vaxis.Event) bool {
if key, ok := event.(vaxis.Key); ok {
switch {
case key.Matches(vaxis.KeyEnter), key.Matches('j', vaxis.ModCtrl):
cmd := ex.input.String()
ex.input.Focus(false)
ex.commit(cmd)
ex.finish()
case key.Matches(vaxis.KeyUp):
ex.input.Set(ex.cmdHistory.Prev())
ex.Invalidate()
case key.Matches(vaxis.KeyDown):
ex.input.Set(ex.cmdHistory.Next())
ex.Invalidate()
case key.Matches(vaxis.KeyEsc), key.Matches('c', vaxis.ModCtrl):
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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