| /* |
| * Copyright 2014 The Emscripten Authors. All rights reserved. |
| * Emscripten is available under two separate licenses, the MIT license and the |
| * University of Illinois/NCSA Open Source License. Both these licenses can be |
| * found in the LICENSE file. |
| */ |
| |
| #include <stdio.h> |
| #include <SDL2/SDL.h> |
| #include <assert.h> |
| #include <emscripten.h> |
| |
| int result = 1; |
| int mouse_motions = 0; |
| |
| #define abs(x) ((x) < 0 ? -(x) : (x)) |
| #define eq(x, y) (abs((x) - (y)) <= 1) |
| |
| void one() { |
| SDL_Event event; |
| while (SDL_PollEvent(&event)) { |
| switch(event.type) { |
| case SDL_MOUSEMOTION: { |
| SDL_MouseMotionEvent *m = (SDL_MouseMotionEvent*)&event; |
| assert(m->state == 0); |
| printf("motion : %d,%d %d,%d\n", m->x, m->y, m->xrel, m->yrel); |
| |
| if (mouse_motions == 0) { |
| // xrel/yrel will be zero for the first motion |
| #ifdef TEST_SDL_MOUSE_OFFSETS |
| assert(eq(m->x, 5) && eq(m->y, 15) && eq(m->xrel, 0) && eq(m->yrel, 0)); |
| #else |
| assert(eq(m->x, 10) && eq(m->y, 20) && eq(m->xrel, 0) && eq(m->yrel, 0)); |
| #endif |
| } else if (mouse_motions == 1) { |
| #ifdef TEST_SDL_MOUSE_OFFSETS |
| assert(eq(m->x, 25) && eq(m->y, 65) && eq(m->xrel, 20) && eq(m->yrel, 50)); |
| #else |
| assert(eq(m->x, 30) && eq(m->y, 70) && eq(m->xrel, 20) && eq(m->yrel, 50)); |
| #endif |
| } |
| |
| mouse_motions++; |
| break; |
| } |
| case SDL_MOUSEBUTTONDOWN: { |
| SDL_MouseButtonEvent *m = (SDL_MouseButtonEvent*)&event; |
| if (m->button == 2) { |
| REPORT_RESULT(result); |
| emscripten_run_script("throw 'done'"); |
| } |
| printf("button down : %d,%d %d,%d\n", m->button, m->state, m->x, m->y); |
| #ifdef TEST_SDL_MOUSE_OFFSETS |
| assert(eq(m->button, 1) && eq(m->state, 1) && eq(m->x, 5) && eq(m->y, 15)); |
| #else |
| assert(eq(m->button, 1) && eq(m->state, 1) && eq(m->x, 10) && eq(m->y, 20)); |
| #endif |
| break; |
| } |
| case SDL_MOUSEBUTTONUP: { |
| SDL_MouseButtonEvent *m = (SDL_MouseButtonEvent*)&event; |
| printf("button up : %d,%d %d,%d\n", m->button, m->state, m->x, m->y); |
| #ifdef TEST_SDL_MOUSE_OFFSETS |
| assert(eq(m->button, 1) && eq(m->state, 0) && eq(m->x, 5) && eq(m->y, 15)); |
| #else |
| assert(eq(m->button, 1) && eq(m->state, 0) && eq(m->x, 10) && eq(m->y, 20)); |
| #endif |
| // Remove another click we want to ignore |
| assert(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONDOWN) == 1); |
| assert(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEBUTTONUP, SDL_MOUSEBUTTONUP) == 1); |
| break; |
| } |
| } |
| } |
| } |
| |
| void main_2(void* arg); |
| |
| int main() { |
| SDL_Init(SDL_INIT_VIDEO); |
| SDL_Window *window; |
| SDL_Renderer *renderer; |
| |
| SDL_CreateWindowAndRenderer(600, 450, 0, &window, &renderer); |
| |
| SDL_SetRenderDrawColor(renderer, 0xFF, 0x00, 0x00, 0xFF ); |
| SDL_Rect rect = { 0, 0, 600, 450 }; |
| SDL_RenderFillRect(renderer, &rect); |
| |
| emscripten_async_call(main_2, NULL, 3000); // avoid startup delays and intermittent errors |
| |
| return 0; |
| } |
| |
| void main_2(void* arg) { |
| emscripten_run_script("window.simulateMouseEvent(10, 20, -1)"); // move from 0,0 to 10,20 |
| emscripten_run_script("window.simulateMouseEvent(10, 20, 0)"); // click |
| emscripten_run_script("window.simulateMouseEvent(10, 20, 0)"); // click some more, but this one should be ignored through PeepEvent |
| emscripten_run_script("window.simulateMouseEvent(30, 70, -1)"); // move some more |
| emscripten_run_script("window.simulateMouseEvent(30, 70, 1)"); // trigger the end |
| |
| emscripten_set_main_loop(one, 0, 0); |
| } |