Merge pull request #309 from GLVis/najlkin/fix-key-locale

Fixed Shift combinations with different keyboard layouts

lib/sdl.cpp

@@ -273,8 +273,9 @@ void SdlWindow::keyDownEvent(SDL_Keysym& ks)
    // handle key translation due to Shift or CapsLock, so we leave such events
    // to be processed there.
    // Note: the same condition has to be used in signalKeyDown().
-   if ((ks.sym >= 32 && ks.sym < 127) &&
-       (ks.mod & (KMOD_CTRL | KMOD_ALT | KMOD_GUI)) == 0)
+   const char *scan_name = SDL_GetScancodeName(ks.scancode);
+   if ((scan_name[0] >= 32 && scan_name[0] < 127) && scan_name[1] == '\0'
+       && (ks.mod & (KMOD_CTRL | KMOD_ALT | KMOD_GUI)) == 0)
    {
       lastKeyDownProcessed = false;
       return;
@@ -626,6 +627,7 @@ void SdlWindow::signalKeyDown(SDL_Keycode k, SDL_Keymod m)
    event.type = SDL_KEYDOWN;
    event.key.windowID = window_id;
    event.key.keysym.sym = k;
+   event.key.keysym.scancode = SDL_GetScancodeFromKey(tolower(k));
    event.key.keysym.mod = m;
    queueEvents({ event });