void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
{
   int i;
   unsigned state, key;
   uint16_t mod = 0;
   uint32_t chars[32] = {0};

   bool down     = event->type == KeyPress;
   int num       = 0;
   KeySym keysym = 0;

   if (down && !filter)
   {
      char keybuf[32] = {0};
#ifdef X_HAVE_UTF8_STRING
      Status status = 0;

      /* XwcLookupString doesn't seem to work. */
      num = Xutf8LookupString(ic, &event->xkey, keybuf, ARRAY_SIZE(keybuf), &keysym, &status);

      /* libc functions need UTF-8 locale to work properly, 
       * which makes mbrtowc a bit impractical.
       *
       * Use custom UTF8 -> UTF-32 conversion. */
      num = conv_utf8_utf32(chars, ARRAY_SIZE(chars), keybuf, num);
#else
      (void)ic;
      num = XLookupString(&event->xkey, keybuf, sizeof(keybuf), &keysym, NULL); /* ASCII only. */
      for (i = 0; i < num; i++)
         chars[i] = keybuf[i] & 0x7f;
#endif
   }

   key   = input_keymaps_translate_keysym_to_rk(keysym);
   state = event->xkey.state;

   if (state & ShiftMask)
      mod |= RETROKMOD_SHIFT;
   if (state & LockMask)
      mod |= RETROKMOD_CAPSLOCK;
   if (state & ControlMask)
      mod |= RETROKMOD_CTRL;
   if (state & Mod1Mask)
      mod |= RETROKMOD_ALT;
   if (state & Mod4Mask)
      mod |= RETROKMOD_META;
   if (IsKeypadKey(keysym))
      mod |= RETROKMOD_NUMLOCK;

   input_keyboard_event(down, key, chars[0], mod, RETRO_DEVICE_KEYBOARD);

   for (i = 1; i < num; i++)
      input_keyboard_event(down, RETROK_UNKNOWN,
            chars[i], mod, RETRO_DEVICE_KEYBOARD);
}
Beispiel #2
0
void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
{
   int i;
   char keybuf[32] = {0};
   uint32_t chars[32] = {0};

   bool down    = event->type == KeyPress;
   unsigned key = input_translate_keysym_to_rk(XLookupKeysym(&event->xkey, 0));
   int num      = 0;

   if (down && !filter)
   {
      KeySym keysym = 0;

#ifdef X_HAVE_UTF8_STRING
      Status status = 0;

      // XwcLookupString doesn't seem to work.
      num = Xutf8LookupString(ic, &event->xkey, keybuf, ARRAY_SIZE(keybuf), &keysym, &status);

      // libc functions need UTF-8 locale to work properly, which makes mbrtowc a bit impractical.
      // Use custom utf8 -> UTF-32 conversion.
      num = conv_utf8_utf32(chars, ARRAY_SIZE(chars), keybuf, num);
#else
      (void)ic;
      num = XLookupString(&event->xkey, keybuf, sizeof(keybuf), &keysym, NULL); // ASCII only.
      for (i = 0; i < num; i++)
         chars[i] = keybuf[i] & 0x7f;
#endif
   }

   unsigned state = event->xkey.state;
   uint16_t mod = 0;
   mod |= (state & ShiftMask) ? RETROKMOD_SHIFT : 0;
   mod |= (state & LockMask) ? RETROKMOD_CAPSLOCK : 0;
   mod |= (state & ControlMask) ? RETROKMOD_CTRL : 0;
   mod |= (state & Mod1Mask) ? RETROKMOD_ALT : 0;
   mod |= (state & Mod4Mask) ? RETROKMOD_META : 0;

   input_keyboard_event(down, key, chars[0], mod);
   for (i = 1; i < num; i++)
      input_keyboard_event(down, RETROK_UNKNOWN, chars[i], mod);
}