2020-07-14 07:24:55 +00:00
|
|
|
package throttler
|
|
|
|
|
|
|
|
import (
|
|
|
|
"time"
|
|
|
|
|
|
|
|
"github.com/gotk3/gotk3/glib"
|
|
|
|
"github.com/gotk3/gotk3/gtk"
|
|
|
|
)
|
|
|
|
|
2020-07-18 07:16:47 +00:00
|
|
|
const TPS = 24 // tps
|
2020-07-14 07:24:55 +00:00
|
|
|
|
|
|
|
type State struct {
|
|
|
|
throttling bool
|
|
|
|
ticker <-chan time.Time
|
|
|
|
settings *gtk.Settings
|
|
|
|
}
|
|
|
|
|
|
|
|
type Connector interface {
|
|
|
|
Connect(string, interface{}, ...interface{}) (glib.SignalHandle, error)
|
|
|
|
}
|
|
|
|
|
2020-07-16 05:41:21 +00:00
|
|
|
func Bind(app *gtk.Application) *State {
|
2020-07-14 07:24:55 +00:00
|
|
|
var settings, _ = gtk.SettingsGetDefault()
|
|
|
|
var s = State{
|
|
|
|
settings: settings,
|
|
|
|
ticker: time.Tick(time.Second / TPS),
|
|
|
|
}
|
|
|
|
|
2020-07-16 05:41:21 +00:00
|
|
|
app.Connect("window-added", func(app *gtk.Application, w *gtk.Window) {
|
|
|
|
s.Connect(w)
|
|
|
|
})
|
2020-07-14 07:24:55 +00:00
|
|
|
|
|
|
|
return &s
|
|
|
|
}
|
|
|
|
|
2020-07-16 05:41:21 +00:00
|
|
|
func (s *State) Connect(c Connector) {
|
|
|
|
c.Connect("focus-out-event", s.Start)
|
|
|
|
c.Connect("focus-in-event", s.Stop)
|
|
|
|
}
|
|
|
|
|
2020-07-14 07:24:55 +00:00
|
|
|
func (s *State) Start() {
|
|
|
|
if s.throttling {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
s.throttling = true
|
|
|
|
s.settings.SetProperty("gtk-enable-animations", false)
|
|
|
|
|
|
|
|
glib.IdleAdd(func() bool {
|
|
|
|
// Throttle.
|
|
|
|
<-s.ticker
|
|
|
|
|
|
|
|
// If we're no longer throttling, then stop the ticker and remove this
|
|
|
|
// callback from the loop.
|
|
|
|
if !s.throttling {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
// Keep calling this same callback.
|
|
|
|
return true
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func (s *State) Stop() {
|
|
|
|
if !s.throttling {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
s.throttling = false
|
|
|
|
s.settings.SetProperty("gtk-enable-animations", true)
|
|
|
|
}
|