#ifdef X11 // @compile param
internal LinuxWindowHandle x11_create_window(MemArena *arena, u32 window_height, u32 window_width,
                                             u32 display_x, u32 display_y)
{

    Display *main_display = XOpenDisplay(0);
    if (!main_display) {
        Log("Error! Failed to open x11 display. Are you on X11?");
    } else {
        Log("Successfully opened x11 display?\n");
        Log("Display: %p\n", main_display);
    }

    Window root = XDefaultRootWindow(main_display);
    int screen  = DefaultScreen(main_display);

    Visual *v = DefaultVisual(main_display, screen);

    XSetWindowAttributes wa = {.background_pixmap = None,
        .background_pixel =
            BlackPixel(main_display, DefaultScreen(main_display)),
        .border_pixmap         = CopyFromParent,
        .border_pixel          = 0,
        .bit_gravity           = ForgetGravity,
        .win_gravity           = NorthWestGravity,
        .backing_store         = NotUseful,
        .backing_planes        = 1,
        .backing_pixel         = 0,
        .save_under            = False,
        .event_mask            = 0,
        .do_not_propagate_mask = 0,
        .override_redirect     = False,
        .colormap              = CopyFromParent,
        .cursor                = None};

    Window window = XCreateWindow(main_display,   // display
                                  root,           // parent
                                  display_x,      // x
                                  display_y,      // y
                                  window_width,   // width
                                  window_height,  // height
                                  0,              // border_width
                                  CopyFromParent, // depth
                                  CopyFromParent, // class
                                  v,              // depth
                                  CWBackPixel,    // visual
                                  &wa);

    XSetWindowBorder(main_display, window, 60);
    XSelectInput(main_display, window,
                 ExposureMask | StructureNotifyMask | KeyReleaseMask | KeyPressMask);
    XMapWindow(main_display, window);

    LinuxWindowHandle out = {main_display, window};
    return out;
}

internal void x11_draw(LinuxWindowHandle *s, s32 start_x, s32 end_x, s32 start_y, s32 end_y)
{

    u32 color = 0x55ffaaff;
    GC gc     = XCreateGC(s->display, s->window, 0, Nil);
    XSetForeground(s->display, gc, color);

    XFreeGC(s->display, gc);
}

internal s32 x11_cleanup(LinuxWindowHandle *s)
{
    XCloseDisplay(s->display);
    return 0;
}

internal s32 x11_read_input() { return 0; }

#endif // X11