ecd803aae4
Usage:
:prompt <prompt> <command...>
Displays the prompt on the status bar, waits for user input, then
appends that input as the last argument to the command and executes it.
The input is passed as one argument to the command, unless it is empty,
in which case no extra argument is added.
105 lines
2.1 KiB
Go
105 lines
2.1 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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commit func(cmd string)
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finish func()
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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), finish 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(":").TabComplete(tabcomplete)
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exline := &ExLine{
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commit: commit,
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finish: finish,
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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 NewPrompt(prompt string, commit func(text string),
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tabcomplete func(cmd string) []string) *ExLine {
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input := ui.NewTextInput("").Prompt(prompt).TabComplete(tabcomplete)
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exline := &ExLine{
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commit: commit,
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tabcomplete: tabcomplete,
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cmdHistory: &nullHistory{input: input},
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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, tcell.KeyCtrlJ:
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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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ex.finish()
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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.finish()
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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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type nullHistory struct {
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input *ui.TextInput
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}
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func (_ *nullHistory) Add(string) {}
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func (h *nullHistory) Next() string {
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return h.input.String()
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}
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func (h *nullHistory) Prev() string {
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return h.input.String()
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}
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func (_ *nullHistory) Reset() {}
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