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", 100, 100, 640, 480, 0);
8  SDL_Renderer* renderer = SDL_CreateRenderer(
9    window, -1, SDL_RENDERER_ACCELERATED);
10
11  bool running = true;
12  SDL_Event event;
13  while (running) {
14    while (SDL_PollEvent(&event)) {
15      if (event.type == SDL_QUIT) running = false;
16      if (event.type == SDL_MOUSEBUTTONDOWN) {
17        std::cout << "Mouse button pressed at ("
18          << event.button.x << ", "
19          << event.button.y << ")\n";
20      }
21      if (event.type == SDL_MOUSEBUTTONUP) {
22        std::cout << "Mouse button released at ("
23          << event.button.x << ", "
24          << event.button.y << ")\n";
25      }
26      if (event.type == SDL_MOUSEMOTION) {
27        std::cout << "Mouse moved to ("
28          << event.motion.x << ", "
29          << event.motion.y << ")\n";
30      }
31    }
32
33    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
34    SDL_RenderClear(renderer);
35    SDL_RenderPresent(renderer);
36  }
37
38  SDL_DestroyRenderer(renderer);
39  SDL_DestroyWindow(window);
40  SDL_Quit();
41  return 0;
42}