Simulate Mouse Events in SDL

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    "Simulate Mouse Events Example",
8    SDL_WINDOWPOS_UNDEFINED,
9    SDL_WINDOWPOS_UNDEFINED,
10    800, 600,
11    SDL_WINDOW_SHOWN
12  );
13
14  SDL_Event event;
15  bool running = true;
16
17  while (running) {
18    while (SDL_PollEvent(&event)) {
19      if (event.type == SDL_MOUSEBUTTONDOWN) {
20        std::cout << "Simulated mouse button down at ("
21                  << event.button.x << ", "
22                  << event.button.y << ")\n"; 
23      }
24      if (event.type == SDL_QUIT) {
25        running = false;
26      }
27    }
28
29    // Simulate a mouse button down event
30    SDL_Event simulatedEvent;
31    simulatedEvent.type = SDL_MOUSEBUTTONDOWN;
32    simulatedEvent.button.button = SDL_BUTTON_LEFT;
33    simulatedEvent.button.x = 400; 
34    simulatedEvent.button.y = 300; 
35    SDL_PushEvent(&simulatedEvent); 
36  }
37
38  SDL_DestroyWindow(window);
39  SDL_Quit();
40  return 0;
41}

1#include <SDL.h>
2#include <iostream>
3
4void HandleEvent(SDL_Event& event) {
5  if (event.type == SDL_MOUSEBUTTONDOWN) {
6    std::cout << "Simulated mouse button down at ("
7      << event.button.x << ", "
8      << event.button.y << ")\n";  
9  }
10  if (event.type == SDL_MOUSEMOTION) {
11    std::cout << "Simulated mouse motion to ("
12      << event.motion.x << ", "
13      << event.motion.y << ")\n";  
14  }
15}
16
17int main(int argc, char* argv[]) {
18  SDL_Init(SDL_INIT_VIDEO);
19  SDL_Window* window = SDL_CreateWindow(
20    "Simulate Mouse Events Example",
21    SDL_WINDOWPOS_UNDEFINED,
22    SDL_WINDOWPOS_UNDEFINED,
23    800, 600, SDL_WINDOW_SHOWN
24  );
25
26  SDL_Event event;
27  bool running = true;
28
29  while (running) {
30    while (SDL_PollEvent(&event)) {
31      HandleEvent(event);
32      if (event.type == SDL_QUIT) {
33        running = false;
34      }
35    }
36
37    // Simulate a mouse button down event
38    SDL_Event simulatedButtonEvent;
39    simulatedButtonEvent.type = SDL_MOUSEBUTTONDOWN;
40    simulatedButtonEvent.button.button =
41      SDL_BUTTON_LEFT;
42    simulatedButtonEvent.button.x = 400;
43    simulatedButtonEvent.button.y = 300;
44    SDL_PushEvent(&simulatedButtonEvent);
45
46    // Simulate a mouse motion event
47    SDL_Event simulatedMotionEvent;
48    simulatedMotionEvent.type = SDL_MOUSEMOTION;
49    simulatedMotionEvent.motion.x = 400;
50    simulatedMotionEvent.motion.y = 300;
51    simulatedMotionEvent.motion.xrel = 10;
52    simulatedMotionEvent.motion.yrel = 10;
53    SDL_PushEvent(&simulatedMotionEvent);
54  }
55
56  SDL_DestroyWindow(window);
57  SDL_Quit();
58  return 0;
59}