83 строки
2.9 KiB
C
83 строки
2.9 KiB
C
#include <stdio.h>
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#include <SDL2/SDL.h>
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#include <assert.h>
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#include <emscripten.h>
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/* OS X mouse events can have fractional elements; round to multiples of 5 (our values are all multiples of 10) */
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#define SLACK(x) (5*((x+2)/5))
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int result = 1;
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void one() {
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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switch(event.type) {
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case SDL_MOUSEMOTION: {
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SDL_MouseMotionEvent *m = (SDL_MouseMotionEvent*)&event;
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assert(m->state == 0);
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printf("motion pre : %d,%d %d,%d\n", m->x, m->y, m->xrel, m->yrel);
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m->x = SLACK(m->x);
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m->y = SLACK(m->y);
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m->xrel = SLACK(m->xrel);
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m->yrel = SLACK(m->yrel);
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printf("motion post: %d,%d %d,%d\n", m->x, m->y, m->xrel, m->yrel);
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result += 2 * (m->x + m->y + m->xrel + m->yrel);
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break;
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}
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case SDL_MOUSEBUTTONDOWN: {
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SDL_MouseButtonEvent *m = (SDL_MouseButtonEvent*)&event;
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if (m->button == 2) {
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REPORT_RESULT();
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emscripten_run_script("throw 'done'");
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}
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printf("button down pre : %d,%d %d,%d\n", m->button, m->state, m->x, m->y);
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m->x = SLACK(m->x);
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m->y = SLACK(m->y);
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printf("button down post: %d,%d %d,%d\n", m->button, m->state, m->x, m->y);
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result += 3 * (m->button + m->state + m->x + m->y);
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break;
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}
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case SDL_MOUSEBUTTONUP: {
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SDL_MouseButtonEvent *m = (SDL_MouseButtonEvent*)&event;
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printf("button up pre : %d,%d %d,%d\n", m->button, m->state, m->x, m->y);
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m->x = SLACK(m->x);
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m->y = SLACK(m->y);
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printf("button up post: %d,%d %d,%d\n", m->button, m->state, m->x, m->y);
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result += 5 * (m->button + m->state + m->x + m->y);
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// Remove another click we want to ignore
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assert(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONDOWN) == 1);
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assert(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEBUTTONUP, SDL_MOUSEBUTTONUP) == 1);
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break;
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}
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}
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}
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}
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void main_2(void* arg);
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int main() {
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SDL_Init(SDL_INIT_VIDEO);
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_CreateWindowAndRenderer(600, 450, 0, &window, &renderer);
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SDL_SetRenderDrawColor(renderer, 0xFF, 0x00, 0x00, 0xFF );
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SDL_Rect rect = { 0, 0, 600, 450 };
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SDL_RenderFillRect(renderer, &rect);
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emscripten_async_call(main_2, NULL, 3000); // avoid startup delays and intermittent errors
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return 0;
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}
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void main_2(void* arg) {
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emscripten_run_script("window.simulateMouseEvent(10, 20, -1)"); // move from 0,0 to 10,20
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emscripten_run_script("window.simulateMouseEvent(10, 20, 0)"); // click
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emscripten_run_script("window.simulateMouseEvent(10, 20, 0)"); // click some more, but this one should be ignored through PeepEvent
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emscripten_run_script("window.simulateMouseEvent(30, 70, -1)"); // move some more
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emscripten_run_script("window.simulateMouseEvent(30, 70, 1)"); // trigger the end
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emscripten_set_main_loop(one, 0, 0);
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}
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