// type a keysym, applying a slice of modifiers
func KeysymType(keysym C.KeySym, modifiers []string) error {
// As XTestFakeKeyEvent does not use current keyboard layout,
// we map each keysym to type to an unused keycode to circumvent this bug
nkeysyms := C.int(5)
keysyms := make([]C.KeySym, nkeysyms)
for i, _ := range keysyms {
keysyms[i] = keysym
}
var err error
keycode, err := x.UnusedKeycode()
if err != nil {
return err
}
C.XChangeKeyboardMapping(x.dpy, C.int(keycode), nkeysyms, &keysyms[0], 1)
x.XSync()
// apply modifiers
for _, modifier := range modifiers {
bytes := []byte(modifier)
mkeysym := C.XStringToKeysym((*C.char)(unsafe.Pointer(&bytes[0])))
mkeycode := C.XKeysymToKeycode(x.dpy, mkeysym)
C.XTestFakeKeyEvent(x.dpy, C.uint(mkeycode), 1, 0)
}
// hit/release the keycode associated to desired keysym
C.XTestFakeKeyEvent(x.dpy, C.uint(keycode), 1, 0)
C.XTestFakeKeyEvent(x.dpy, C.uint(keycode), 0, 0)
// release modifiers
for _, modifier := range modifiers {
bytes := []byte(modifier)
mkeysym := C.XStringToKeysym((*C.char)(unsafe.Pointer(&bytes[0])))
mkeycode := C.XKeysymToKeycode(x.dpy, mkeysym)
C.XTestFakeKeyEvent(x.dpy, C.uint(mkeycode), 0, 0)
}
x.XSync()
// release unused keycode
for i, _ := range keysyms {
keysyms[i] = 0
}
C.XChangeKeyboardMapping(x.dpy, C.int(keycode), nkeysyms, &keysyms[0], 1)
x.XSync()
return nil
}
func sendKey(disp *C.struct__XDisplay, strname string) {
if disp == nil {
fmt.Println("no X11 display available")
return
}
var mod _Ctype_KeyCode
if strings.HasPrefix(strname, "Ctrl+") {
strname = strname[len("Ctrl+"):]
modkey := "Control_L"
mod = C.XKeysymToKeycode(disp, C.XStringToKeysym(C.CString(modkey)))
if debug {
fmt.Printf("send key %T (Control) code=%v\n", mod, mod)
}
C.XTestFakeKeyEvent(disp, C.uint(mod), 1, 0)
C.XFlush(disp)
}
chstr := C.CString(strname)
keysym := C.XStringToKeysym(chstr)
keycode := C.XKeysymToKeycode(disp, keysym)
if debug {
fmt.Printf("send key (%s) sym=%v code=%v\n", strname, keysym, keycode)
}
C.XTestFakeKeyEvent(disp, C.uint(keycode), 1, 0)
C.XFlush(disp)
C.XTestFakeKeyEvent(disp, C.uint(keycode), 0, 0)
C.XFlush(disp)
if debug {
fmt.Printf("hit key %v (keysym %v keycode %v)\n", strname, keysym, keycode)
}
fmt.Printf("mod is == %v\n", mod)
if mod != 0 {
C.XTestFakeKeyEvent(disp, C.uint(mod), 0, 0)
C.XFlush(disp)
}
}