Exemple #1
0
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 = utf8_conv_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);
}
Exemple #2
0
static void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
{
   int i;
   Status status;
   uint32_t chars[32];
   unsigned key   = 0;
   uint16_t mod   = 0;
   unsigned state = event->xkey.state;
   bool down      = event->type == KeyPress;
   int num        = 0;
   KeySym keysym  = 0;

   chars[0]       = '\0';

   if (!filter)
   {
      if (down)
      {
         char keybuf[32];

         keybuf[0] = '\0';
#ifdef X_HAVE_UTF8_STRING
         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 = utf8_conv_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
      }
      else
         keysym = XLookupKeysym(&event->xkey, (state & ShiftMask) || (state & LockMask));
   }

   /* We can't feed uppercase letters to the keycode translator. Seems like a bad idea
    * to feed it keysyms anyway, so here is a little hack... */
   if (keysym >= XK_A && keysym <= XK_Z)
       keysym += XK_z - XK_Z;

   key   = input_keymaps_translate_keysym_to_rk(keysym);

   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);
}