Enable/Disable Linux mousekeys

 
gcc mousekey.c -lX11 -IX11
打开mousekeys运行./a.out
关闭mousekeys运行./a.out 1,这里在a.out后面随便加一个参数就可以了，因为判断条件为 if(argc < 2)
/*********source code***************/
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
int main(int argc, char *argv[])
{
 Display *display;
 unsigned long which;
 XkbDescPtr xkb;
 unsigned int status_mask = 0;
 unsigned short mk_delay = 160;
 unsigned short mk_interval = 50;
 unsigned short mk_time_to_max = 30;
 unsigned short mk_max_speed = 50;
 short mk_curve = 0;
 Status S;
 status_mask = XkbMouseKeysMask;
 display = XOpenDisplay(NULL);
 xkb = XkbGetMap(display, 0, XkbUseCoreKbd);
 if((int)xkb == BadAlloc || xkb == NULL)
 {
  printf("ERROR: unable to allocate storege.\n");
  return 1;
 }
 
 if((S = XkbGetControls(display, XkbAllControlsMask, xkb)) != Success)
 {
  if(S == BadAlloc)
   printf("ERROR: Unable to allocate storage.\n");
  else if(S == BadMatch)
   printf("ERROR: Unable to query state of keyboard.\n");
  else printf("ERROR: Unable to get state of keyboard controls. \n");
   return 2;
 }
 unsigned int changeEnabled = 0;
 unsigned int enabled = 0;
 changeEnabled |=status_mask;
 if(argc < 2)
  enabled |= status_mask;
 if(xkb->ctrls)
 {
  xkb->ctrls->enabled_ctrls &=~changeEnabled;
  xkb->ctrls->enabled_ctrls |=(changeEnabled & enabled);
  xkb->ctrls->mk_delay = mk_delay;
  xkb->ctrls->mk_interval = mk_interval;
  xkb->ctrls->mk_time_to_max = mk_time_to_max;
  xkb->ctrls->mk_max_speed = mk_max_speed;
 &nb