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