#include <raylib.h>
#include <stdio.h>
#include <unistd.h>

static pid_t pid;

int main(void) {
    unsigned int read_value = 1;
    InitWindow(640, 480, "Test Window");
    SetTargetFPS(60);
    char pid_buf[20];
    char adr_buf[20];

    Color primary = WHITE;
    Color secondary = BLACK;
    pid = getpid();
    sprintf(pid_buf, "%d", pid);
    sprintf(adr_buf, "%p", &read_value);

    while (!WindowShouldClose()) {
        if (IsKeyPressed(KEY_SPACE)) {
            read_value ^= 1;
        }

        BeginDrawing();
        
        primary = read_value ? WHITE : BLACK;
        secondary = !read_value ? WHITE : BLACK;
        ClearBackground(primary);

        DrawText(pid_buf, 0, 0, 50, secondary);
        DrawText(adr_buf, 0, 50 + 1, 50, secondary);

        EndDrawing();
    }

    CloseWindow();
    return 0;
}