andlabs-ui/uitask_unix.go

34 lines
540 B
Go

// +build !windows,!darwin,!plan9
// 16 february 2014
package ui
import (
"fmt"
"runtime"
)
var uitask chan func()
func ui(initDone chan error) {
runtime.LockOSThread()
uitask = make(chan func())
if gtk_init() != true {
initDone <- fmt.Errorf("gtk_init failed (reason unknown; TODO)")
return
}
initDone <- nil
// 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
})
gtk_main()
}