SDL_MouseButtonEvent Structure

1#include <SDL.h>
2#include <iostream>
3
4void HandleMouseButtonEvent(
5  const SDL_MouseButtonEvent& buttonEvent) {
6  if (buttonEvent.state == SDL_PRESSED) {
7    std::cout << "Mouse button pressed at ("
8      << buttonEvent.x << ", "
9      << buttonEvent.y << ")\n";
10  } else if (buttonEvent.state == SDL_RELEASED) {
11    std::cout << "Mouse button released at ("
12      << buttonEvent.x << ", "
13      << buttonEvent.y << ")\n";
14  }
15}
16
17int main(int argc, char* argv[]) {
18  if (SDL_Init(SDL_INIT_VIDEO) != 0) {
19    std::cerr << "SDL_Init Error: "
20      << SDL_GetError() << '\n';
21    return 1;
22  }
23
24  SDL_Window* window = SDL_CreateWindow(
25    "Mouse Button Event",
26    100, 100, 640, 480,
27    SDL_WINDOW_SHOWN
28  );
29
30  if (window == nullptr) {
31    std::cerr << "SDL_CreateWindow Error: "
32      << SDL_GetError() << '\n';
33    SDL_Quit();
34    return 1;
35  }
36
37  SDL_Event event;
38  bool running = true;
39  while (running) {
40    while (SDL_PollEvent(&event)) {
41      if (event.type == SDL_QUIT) {
42        running = false;
43      } else if (event.type == SDL_MOUSEBUTTONDOWN ||
44                 event.type == SDL_MOUSEBUTTONUP) {
45        HandleMouseButtonEvent(event.button);
46      }
47    }
48  }
49
50  SDL_DestroyWindow(window);
51  SDL_Quit();
52  return 0;
53}