99 lines
2 KiB
Go
99 lines
2 KiB
Go
package widgets
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import (
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"time"
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"github.com/gdamore/tcell"
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"github.com/mattn/go-runewidth"
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"git.sr.ht/~sircmpwn/aerc/lib/ui"
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)
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type StatusLine struct {
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ui.Invalidatable
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stack []*StatusMessage
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fallback StatusMessage
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aerc *Aerc
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}
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type StatusMessage struct {
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bg tcell.Color
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fg tcell.Color
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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: tcell.ColorDefault,
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fg: tcell.ColorDefault,
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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) Invalidate() {
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status.DoInvalidate(status)
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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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style := tcell.StyleDefault.
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Background(line.bg).Foreground(line.fg).Reverse(true)
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ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', style)
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pendingKeys := ""
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if status.aerc != nil {
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for _, pendingKey := range status.aerc.pendingKeys {
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pendingKeys += string(pendingKey.Rune)
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}
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}
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message := runewidth.FillRight(line.message, ctx.Width()-len(pendingKeys)-5)
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ctx.Printf(0, 0, style, "%s%s", message, pendingKeys)
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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: tcell.ColorDefault,
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fg: tcell.ColorDefault,
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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: tcell.ColorDefault,
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fg: tcell.ColorDefault,
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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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status.Invalidate()
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return msg
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}
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func (status *StatusLine) Expire() {
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status.stack = nil
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}
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func (status *StatusLine) SetAerc(aerc *Aerc) {
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status.aerc = aerc
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}
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func (msg *StatusMessage) Color(bg tcell.Color, fg tcell.Color) {
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msg.bg = bg
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msg.fg = fg
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}
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