Displaying Windows on Different Monitors

1#include <SDL2/SDL.h>
2#include <iostream>
3
4int main() {
5  SDL_Init(SDL_INIT_VIDEO);
6
7  SDL_Window* window1 = SDL_CreateWindow(
8    "Monitor 1",
9    SDL_WINDOWPOS_CENTERED_DISPLAY(0), 
10    SDL_WINDOWPOS_CENTERED_DISPLAY(0), 
11    800, 600, SDL_WINDOW_SHOWN);
12
13  SDL_Window* window2 = SDL_CreateWindow(
14    "Monitor 2",
15    SDL_WINDOWPOS_CENTERED_DISPLAY(1), 
16    SDL_WINDOWPOS_CENTERED_DISPLAY(1), 
17    800, 600, SDL_WINDOW_SHOWN);
18
19  if (!window1 || !window2) {
20    std::cerr << "Failed to create windows: "
21      << SDL_GetError() << "\n";
22  } else {
23    std::cout << "Windows displayed on "
24      "different monitors\n";
25  }
26
27  SDL_Delay(3000);
28  SDL_DestroyWindow(window1);
29  SDL_DestroyWindow(window2);
30  SDL_Quit();
31  return 0;
32}