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#include <stdio.h>
#include <SDL/SDL.h>
#include <SDL/SDL_ttf.h>
#include <emscripten.h>
int result = 1;
int SDLCALL EventHandler(void *userdata, SDL_Event *event) {
switch(event->type) {
case SDL_KEYDOWN:
break;
case SDL_KEYUP:
// don't handle the modifier key events
if (event->key.keysym.sym == SDLK_LCTRL ||
event->key.keysym.sym == SDLK_LSHIFT ||
event->key.keysym.sym == SDLK_LALT) {
return 0;
}
if ((event->key.keysym.mod & KMOD_LCTRL) || (event->key.keysym.mod & KMOD_RCTRL)) {
result *= 2;
}
if ((event->key.keysym.mod & KMOD_LSHIFT) || (event->key.keysym.mod & KMOD_RSHIFT)) {
result *= 3;
}
if ((event->key.keysym.mod & KMOD_LALT) || (event->key.keysym.mod & KMOD_RALT)) {
result *= 5;
}
switch (event->key.keysym.sym) {
case SDLK_RIGHT: printf("right\n"); result *= 7; break;
case SDLK_LEFT: printf("left\n"); result *= 11; break;
case SDLK_DOWN: printf("down\n"); result *= 13; break;
case SDLK_UP: printf("up\n"); result *= 17; break;
case SDLK_a: printf("a\n"); result *= 19; break;
default: {
if (event->key.keysym.scancode == SDL_SCANCODE_B) {
printf("b scancode\n"); result *= 23; break;
}
printf("unknown key: sym %d scancode %d\n", event->key.keysym.sym, event->key.keysym.scancode);
REPORT_RESULT();
emscripten_run_script("throw 'done'"); // comment this out to leave event handling active. Use the following to log DOM keys:
// addEventListener('keyup', function(event) { console.log(event->keyCode) }, true)
}
}
break;
default: /* Report an unhandled event */
printf("I don't know what this event is (type=%d)!\n", event->type);
}
return 0;
}
void one() {
#ifndef TEST_EMSCRIPTEN_SDL_SETEVENTHANDLER
SDL_Event event;
while (SDL_PollEvent(&event)) {
EventHandler(0, &event);
}
#endif
}
int main(int argc, char **argv) {
SDL_Init(SDL_INIT_VIDEO);
SDL_Surface *screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);
#ifdef TEST_EMSCRIPTEN_SDL_SETEVENTHANDLER
emscripten_SDL_SetEventHandler(EventHandler, 0);
#else
if (argc == 1337) one(); // keep it alive
#endif
emscripten_run_script("keydown(1250);keydown(38);keyup(38);keyup(1250);"); // alt, up
emscripten_run_script("keydown(1248);keydown(1249);keydown(40);keyup(40);keyup(1249);keyup(1248);"); // ctrl, shift, down
emscripten_run_script("keydown(37);keyup(37);"); // left
emscripten_run_script("keydown(39);keyup(39);"); // right
emscripten_run_script("keydown(65);keyup(65);"); // a
emscripten_run_script("keydown(66);keyup(66);"); // b
emscripten_run_script("keydown(100);keyup(100);"); // trigger the end
return 0;
}
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