keyboard.v

module vrobot

/* This is C's INPUT struct

typedef struct tagINPUT {
  DWORD type;
  union {
    MOUSEINPUT    mi;
    KEYBDINPUT    ki;
    HARDWAREINPUT hi;
  } DUMMYUNIONNAME;
} INPUT, *PINPUT, *LPINPUT;
*/

#flag -lgdi32
#include "windows.h"

struct C.INPUT

pub fn type_stuff() {
  mut input := &C.INPUT{!}
  input.type = 1  // C.INPUT_KEYBOARD, for some reason
                  // I can't use this? "keyboard.v:22 function `` is private"
  input.ki.wScan = C.MapVirtualKey(vkey, C.MAPVK_VK_TO_VSC)
  input.ki.time = 0 
  input.ki.dwExtraInfo = 0
  input.ki.wVk = 0x41 // 'A'
  input.ki.dwFlags = 0

  C.SendInput(1, &input, sizeof(C.INPUT))
  input.ki.dwFlags = C.KEYEVENTF_KEYUP
  C.SendInput(1, &input, sizeof(C.INPUT))
}