move_pointer.c

   1 /*********************
   2  * Extension to GDK. *
   3  *********************/
   4
   5 #include <gdk/gdk.h>
   6 #include <gdk/gdkx.h>
   7
   8 void move_pointer(gint dest_x, gint dest_y, gboolean discard_previous);
   9
  10 /*
  11  * Move the pointer to the (x, y) coordinates of the root window
  12  * irrespective to the current pointer position.
  13  */
  14 void move_pointer(gint dest_x, gint dest_y, gboolean discard_previous)
  15 {
  16     Display *dpy;
  17     glong event_mask;
  18     XEvent xev;
  19
  20     dpy = GDK_DISPLAY();
  21
  22     if (discard_previous == TRUE) {
  23         event_mask = PointerMotionMask | PointerMotionHintMask |
  24             Button1MotionMask | Button2MotionMask | Button3MotionMask |
  25             Button4MotionMask | Button5MotionMask | ButtonMotionMask;
  26
  27         while (XCheckMaskEvent(dpy, event_mask, &xev) == True);
  28     }
  29
  30     XWarpPointer(dpy, None, GDK_ROOT_WINDOW(), 0, 0, 0, 0, dest_x, dest_y);
  31 }