// RunApp runs the main loop for the application.
func RunApp(dockapp *dockapp.DockApp, app *App, metrics <-chan *battery.Metrics, formatter <-chan battery.MetricFormatter) {
defer dockapp.Quit()
var m *battery.Metrics
var f battery.MetricFormatter
for {
select {
case m = <-metrics:
case f = <-formatter:
}
if m == nil {
log.Printf("nil metrics")
continue
}
if f == nil {
log.Printf("nil formatter")
continue
}
// draw the widget to the screen.
err := app.Draw(dockapp.Canvas(), m, f)
if err != nil {
log.Panic(err)
}
dockapp.FlushImage()
}
}
