92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
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package widgets
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import (
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"time"
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tb "github.com/nsf/termbox-go"
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"git.sr.ht/~sircmpwn/aerc2/lib/ui"
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)
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type StatusLine struct {
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stack []*StatusMessage
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fallback StatusMessage
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onInvalidate func(d ui.Drawable)
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}
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type StatusMessage struct {
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bg tb.Attribute
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fg tb.Attribute
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message string
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}
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func NewStatusLine() *StatusLine {
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return &StatusLine{
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fallback: StatusMessage{
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bg: tb.ColorWhite,
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fg: tb.ColorBlack,
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message: "Idle",
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},
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}
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}
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func (status *StatusLine) OnInvalidate(onInvalidate func (d ui.Drawable)) {
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status.onInvalidate = onInvalidate
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}
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func (status *StatusLine) Invalidate() {
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if status.onInvalidate != nil {
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status.onInvalidate(status)
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}
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}
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func (status *StatusLine) Draw(ctx *ui.Context) {
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line := &status.fallback
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if len(status.stack) != 0 {
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line = status.stack[len(status.stack)-1]
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}
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cell := tb.Cell{
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Fg: line.fg,
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Bg: line.bg,
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Ch: ' ',
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}
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ctx.Fill(0, 0, ctx.Width(), ctx.Height(), cell)
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ctx.Printf(0, 0, cell, "%s", line.message)
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}
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func (status *StatusLine) Set(text string) *StatusMessage {
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status.fallback = StatusMessage{
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bg: tb.ColorWhite,
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fg: tb.ColorBlack,
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message: text,
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}
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status.Invalidate()
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return &status.fallback
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}
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func (status *StatusLine) Push(text string, expiry time.Duration) *StatusMessage {
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msg := &StatusMessage{
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bg: tb.ColorWhite,
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fg: tb.ColorBlack,
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message: text,
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}
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status.stack = append(status.stack, msg)
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go (func () {
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time.Sleep(expiry)
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for i, m := range status.stack {
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if m == msg {
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status.stack = append(status.stack[:i], status.stack[i+1:]...)
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break
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}
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}
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status.Invalidate()
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})()
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return msg
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}
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func (msg *StatusMessage) Color(bg tb.Attribute, fg tb.Attribute) {
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msg.bg = bg
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msg.fg = fg
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}
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