44 lines
666 B
Go
44 lines
666 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 and Daniel_S in irc.gimp.net/#gtk
|
|
// see our_idle_callback in callbacks_unix.go for details
|
|
go func() {
|
|
for f := range uitask {
|
|
done := make(chan struct{})
|
|
gdk_threads_add_idle(>kIdleOp{
|
|
what: f,
|
|
done: done,
|
|
})
|
|
<-done
|
|
close(done)
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
main()
|
|
uitask <- gtk_main_quit
|
|
}()
|
|
|
|
gtk_main()
|
|
return nil
|
|
}
|