package widgets
import (
"time"
"github.com/gdamore/tcell"
"git.sr.ht/~sircmpwn/aerc2/lib/ui"
)
type StatusLine struct {
stack []*StatusMessage
fallback StatusMessage
onInvalidate func(d ui.Drawable)
}
type StatusMessage struct {
bg tcell.Color
fg tcell.Color
message string
}
func NewStatusLine() *StatusLine {
return &StatusLine{
fallback: StatusMessage{
bg: tcell.ColorDefault,
fg: tcell.ColorDefault,
message: "Idle",
},
}
}
func (status *StatusLine) OnInvalidate(onInvalidate func(d ui.Drawable)) {
status.onInvalidate = onInvalidate
}
func (status *StatusLine) Invalidate() {
if status.onInvalidate != nil {
status.onInvalidate(status)
}
}
func (status *StatusLine) Draw(ctx *ui.Context) {
line := &status.fallback
if len(status.stack) != 0 {
line = status.stack[len(status.stack)-1]
}
style := tcell.StyleDefault.
Background(line.bg).Foreground(line.fg).Reverse(true)
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', style)
ctx.Printf(0, 0, style, "%s", line.message)
}
func (status *StatusLine) Set(text string) *StatusMessage {
status.fallback = StatusMessage{
bg: tcell.ColorDefault,
fg: tcell.ColorDefault,
message: text,
}
status.Invalidate()
return &status.fallback
}
func (status *StatusLine) Push(text string, expiry time.Duration) *StatusMessage {
msg := &StatusMessage{
bg: tcell.ColorDefault,
fg: tcell.ColorDefault,
message: text,
}
status.stack = append(status.stack, msg)
go (func() {
time.Sleep(expiry)
for i, m := range status.stack {
if m == msg {
status.stack = append(status.stack[:i], status.stack[i+1:]...)
break
}
}
status.Invalidate()
})()
return msg
}
func (status *StatusLine) Expire() {
status.stack = nil
}
func (msg *StatusMessage) Color(bg tcell.Color, fg tcell.Color) {
msg.bg = bg
msg.fg = fg
}