Capturing Mouse Events in SDL2

1#include <SDL.h>
2#include <iostream>
3
4int main(int argc, char** argv) {
5  SDL_Init(SDL_INIT_VIDEO);
6  SDL_Window* window = SDL_CreateWindow(
7    "Mouse Event Example",
8    100, 100, 640, 480, 0
9  );
10  SDL_Renderer* renderer = SDL_CreateRenderer(
11    window, -1, SDL_RENDERER_ACCELERATED
12  );
13
14  bool running = true;
15  SDL_Event event;
16  while (running) {
17    while (SDL_PollEvent(&event)) {
18      if (event.type == SDL_QUIT) running = false;
19      if (event.type == SDL_MOUSEBUTTONDOWN) {
20        std::cout << "Mouse button pressed at ("
21          << event.button.x << ", "
22          << event.button.y << ")\n";
23      }
24      if (event.type == SDL_MOUSEBUTTONUP) {
25        std::cout << "Mouse button released at ("
26          << event.button.x << ", "
27          << event.button.y << ")\n";
28      }
29      if (event.type == SDL_MOUSEMOTION) {
30        std::cout << "Mouse moved to ("
31          << event.motion.x << ", "
32          << event.motion.y << ")\n";
33      }
34    }
35
36    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
37    SDL_RenderClear(renderer);
38    SDL_RenderPresent(renderer);
39  }
40
41  SDL_DestroyRenderer(renderer);
42  SDL_DestroyWindow(window);
43  SDL_Quit();
44  return 0;
45}