72 строки
2.2 KiB
C
72 строки
2.2 KiB
C
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#include <stdio.h>
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#include <SDL2/SDL.h>
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#include <emscripten.h>
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int result = 1;
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int EventHandler(void *userdata, SDL_Event *event) {
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int mod;
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switch(event->type) {
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case SDL_KEYUP:
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break;
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case SDL_KEYDOWN:
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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_Window *window;
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window = SDL_CreateWindow("sdl2_key",
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SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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640, 480, 0);
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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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one();
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#endif
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SDL_StartTextInput();
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emscripten_run_script("keydown(38);keyup(38)"); // up
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emscripten_run_script("keydown(40);keyup(40);"); // 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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