| 12 | int result = 1; |
| 13 | |
| 14 | int SDLCALL EventHandler(void *userdata, SDL_Event *event) { |
| 15 | switch(event->type) { |
| 16 | case SDL_KEYDOWN: |
| 17 | break; |
| 18 | case SDL_KEYUP: |
| 19 | // don't handle the modifier key events |
| 20 | if (event->key.keysym.sym == SDLK_LCTRL || |
| 21 | event->key.keysym.sym == SDLK_LSHIFT || |
| 22 | event->key.keysym.sym == SDLK_LALT) { |
| 23 | return 0; |
| 24 | } |
| 25 | if ((event->key.keysym.mod & KMOD_LCTRL) || (event->key.keysym.mod & KMOD_RCTRL)) { |
| 26 | result *= 2; |
| 27 | } |
| 28 | if ((event->key.keysym.mod & KMOD_LSHIFT) || (event->key.keysym.mod & KMOD_RSHIFT)) { |
| 29 | result *= 3; |
| 30 | } |
| 31 | if ((event->key.keysym.mod & KMOD_LALT) || (event->key.keysym.mod & KMOD_RALT)) { |
| 32 | result *= 5; |
| 33 | } |
| 34 | switch (event->key.keysym.sym) { |
| 35 | case SDLK_RIGHT: printf("right\n"); result *= 7; break; |
| 36 | case SDLK_LEFT: printf("left\n"); result *= 11; break; |
| 37 | case SDLK_DOWN: printf("down\n"); result *= 13; break; |
| 38 | case SDLK_UP: printf("up\n"); result *= 17; break; |
| 39 | case SDLK_a: printf("a\n"); result *= 19; break; |
| 40 | default: { |
| 41 | if (event->key.keysym.scancode == SDL_SCANCODE_B) { |
| 42 | printf("b scancode\n"); result *= 23; break; |
| 43 | } |
| 44 | printf("unknown key: sym %d scancode %d\n", event->key.keysym.sym, event->key.keysym.scancode); |
| 45 | emscripten_force_exit(result); // comment this out to leave event handling active. Use the following to log DOM keys: |
| 46 | // addEventListener('keyup', function(event) { console.log(event->keyCode) }, true) |
| 47 | } |
| 48 | } |
| 49 | break; |
| 50 | default: /* Report an unhandled event */ |
| 51 | printf("I don't know what this event is (type=%d)!\n", event->type); |
| 52 | } |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | void one() { |
| 57 | #ifndef TEST_EMSCRIPTEN_SDL_SETEVENTHANDLER |