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package app
import (
"bytes"
"sync"
"time"
"github.com/gdamore/tcell/v2"
"github.com/mattn/go-runewidth"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib/state"
"git.sr.ht/~rjarry/aerc/lib/templates"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/aerc/log"
)
type StatusLine struct {
sync.Mutex
stack []*StatusMessage
acct *AccountView
err string
}
type StatusMessage struct {
style tcell.Style
message string
}
func (status *StatusLine) Invalidate() {
ui.Invalidate()
}
func (status *StatusLine) Draw(ctx *ui.Context) {
status.Lock()
defer status.Unlock()
style := status.uiConfig().GetStyle(config.STYLE_STATUSLINE_DEFAULT)
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', style)
switch {
case len(status.stack) != 0:
line := status.stack[len(status.stack)-1]
msg := runewidth.Truncate(line.message, ctx.Width(), "")
msg = runewidth.FillRight(msg, ctx.Width())
ctx.Printf(0, 0, line.style, "%s", msg)
case status.err != "":
msg := runewidth.Truncate(status.err, ctx.Width(), "")
msg = runewidth.FillRight(msg, ctx.Width())
style := status.uiConfig().GetStyle(config.STYLE_STATUSLINE_ERROR)
ctx.Printf(0, 0, style, "%s", msg)
case status.acct != nil:
data := state.NewDataSetter()
data.SetPendingKeys(aerc.pendingKeys)
data.SetState(&status.acct.state)
data.SetAccount(status.acct.acct)
data.SetFolder(status.acct.Directories().SelectedDirectory())
msg, _ := status.acct.SelectedMessage()
data.SetInfo(msg, 0, false)
table := ui.NewTable(
ctx.Height(),
config.Statusline.StatusColumns,
config.Statusline.ColumnSeparator,
nil,
func(*ui.Table, int) tcell.Style { return style },
)
var buf bytes.Buffer
cells := make([]string, len(table.Columns))
for c, col := range table.Columns {
err := templates.Render(col.Def.Template, &buf,
data.Data())
if err != nil {
log.Errorf("%s", err)
cells[c] = err.Error()
} else {
cells[c] = buf.String()
}
buf.Reset()
}
table.AddRow(cells, nil)
table.Draw(ctx)
}
}
func (status *StatusLine) Update(acct *AccountView) {
status.acct = acct
status.Invalidate()
}
func (status *StatusLine) SetError(err string) {
prev := status.err
status.err = err
if prev != status.err {
status.Invalidate()
}
}
func (status *StatusLine) Clear() {
status.SetError("")
status.acct = nil
}
func (status *StatusLine) Push(text string, expiry time.Duration) *StatusMessage {
status.Lock()
defer status.Unlock()
log.Debugf(text)
msg := &StatusMessage{
style: status.uiConfig().GetStyle(config.STYLE_STATUSLINE_DEFAULT),
message: text,
}
status.stack = append(status.stack, msg)
go (func() {
defer log.PanicHandler()
time.Sleep(expiry)
status.Lock()
defer status.Unlock()
for i, m := range status.stack {
if m == msg {
status.stack = append(status.stack[:i], status.stack[i+1:]...)
break
}
}
status.Invalidate()
})()
status.Invalidate()
return msg
}
func (status *StatusLine) PushError(text string) *StatusMessage {
log.Errorf(text)
msg := status.Push(text, 10*time.Second)
msg.Color(status.uiConfig().GetStyle(config.STYLE_STATUSLINE_ERROR))
return msg
}
func (status *StatusLine) PushWarning(text string) *StatusMessage {
log.Warnf(text)
msg := status.Push(text, 10*time.Second)
msg.Color(status.uiConfig().GetStyle(config.STYLE_STATUSLINE_WARNING))
return msg
}
func (status *StatusLine) PushSuccess(text string) *StatusMessage {
log.Tracef(text)
msg := status.Push(text, 10*time.Second)
msg.Color(status.uiConfig().GetStyle(config.STYLE_STATUSLINE_SUCCESS))
return msg
}
func (status *StatusLine) Expire() {
status.Lock()
defer status.Unlock()
status.stack = nil
}
func (status *StatusLine) uiConfig() *config.UIConfig {
return SelectedAccountUiConfig()
}
func (msg *StatusMessage) Color(style tcell.Style) {
msg.style = style
}
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