private void KeymapCallback(void *data, wl_keyboard *proxy, wl_keyboard_keymap_format format, int fd, uint size)
{
if (format != wl_keyboard_keymap_format.XkbV1)
{
Libc.close(fd);
throw new NotImplementedException("Only xkbcommon compatible keymaps are currently supported.");
}
var kbdStr = Libc.mmap(null, size, Libc.PROT_READ, Libc.MAP_PRIVATE, fd, 0);
if (kbdStr == null)
{
Libc.close(fd);
return;
}
var newKeymap = XkbCommon.xkb_keymap_new_from_string(_xkbContext, kbdStr, XkbCommon.XKB_KEYMAP_FORMAT_TEXT_V1);
Libc.munmap(kbdStr, size);
Libc.close(fd);
if (newKeymap == null)
{
throw new OpenWindowException("Failed to create xkb keymap.");
}
var newState = XkbCommon.xkb_state_new(newKeymap);
if (newState == null)
{
XkbCommon.xkb_keymap_unref(newKeymap);
throw new OpenWindowException("Failed to create xkb state.");
}
if (_xkbKeymap != null)
{
XkbCommon.xkb_keymap_unref(_xkbKeymap);
}
if (_xkbState != null)
{
XkbCommon.xkb_state_unref(_xkbState);
}
_xkbKeymap = newKeymap;
_xkbState = newState;
UpdateKeymap();
}
public static extern xkb_state *xkb_state_new(xkb_keymap *keymap);
public static extern void xkb_keymap_unref(xkb_keymap *keymap);
