andlabs-ui/uitask_unix.go

36 lines
532 B
Go

// +build !windows,!darwin,!plan9
// 16 february 2014
package ui
import (
"fmt"
"runtime"
)
var uitask chan func()
func ui(main func()) error {
runtime.LockOSThread()
uitask = make(chan func())
if gtk_init() != true {
return fmt.Errorf("gtk_init failed (reason unknown; TODO)")
}
// thanks to tristan in irc.gimp.net/#gtk
gdk_threads_add_idle(func() bool {
select {
case f := <-uitask:
f()
default: // do not block
}
return true // don't destroy the callback
})
go main()
gtk_main()
return nil
}