0f78f06610
The following functionalities are added to configure aerc ui styles. - Read stylesets from file with very basic fnmatch wildcard matching - Add default styleset - Support different stylesets as part of UiConfig allowing contextual styles. - Move widgets/ui elements to use the stylesets. - Add configuration manual for the styleset
82 lines
1.4 KiB
Go
82 lines
1.4 KiB
Go
package widgets
|
|
|
|
import (
|
|
"strings"
|
|
"sync/atomic"
|
|
"time"
|
|
|
|
"github.com/gdamore/tcell"
|
|
|
|
"git.sr.ht/~sircmpwn/aerc/config"
|
|
"git.sr.ht/~sircmpwn/aerc/lib/ui"
|
|
)
|
|
|
|
type Spinner struct {
|
|
ui.Invalidatable
|
|
frame int64 // access via atomic
|
|
frames []string
|
|
stop chan struct{}
|
|
style tcell.Style
|
|
}
|
|
|
|
func NewSpinner(uiConf *config.UIConfig) *Spinner {
|
|
spinner := Spinner{
|
|
stop: make(chan struct{}),
|
|
frame: -1,
|
|
frames: strings.Split(uiConf.Spinner, uiConf.SpinnerDelimiter),
|
|
style: uiConf.GetStyle(config.STYLE_SPINNER),
|
|
}
|
|
return &spinner
|
|
}
|
|
|
|
func (s *Spinner) Start() {
|
|
if s.IsRunning() {
|
|
return
|
|
}
|
|
|
|
atomic.StoreInt64(&s.frame, 0)
|
|
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-s.stop:
|
|
atomic.StoreInt64(&s.frame, -1)
|
|
s.stop <- struct{}{}
|
|
return
|
|
case <-time.After(200 * time.Millisecond):
|
|
atomic.AddInt64(&s.frame, 1)
|
|
s.Invalidate()
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
func (s *Spinner) Stop() {
|
|
if !s.IsRunning() {
|
|
return
|
|
}
|
|
|
|
s.stop <- struct{}{}
|
|
<-s.stop
|
|
s.Invalidate()
|
|
}
|
|
|
|
func (s *Spinner) IsRunning() bool {
|
|
return atomic.LoadInt64(&s.frame) != -1
|
|
}
|
|
|
|
func (s *Spinner) Draw(ctx *ui.Context) {
|
|
if !s.IsRunning() {
|
|
s.Start()
|
|
}
|
|
|
|
cur := int(atomic.LoadInt64(&s.frame) % int64(len(s.frames)))
|
|
|
|
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', s.style)
|
|
col := ctx.Width()/2 - len(s.frames[0])/2 + 1
|
|
ctx.Printf(col, 0, s.style, "%s", s.frames[cur])
|
|
}
|
|
|
|
func (s *Spinner) Invalidate() {
|
|
s.DoInvalidate(s)
|
|
}
|