xorg-server-1.4/hw/xnest/Pointer.c

   1 /*
   2
   3 Copyright 1993 by Davor Matic
   4
   5 Permission to use, copy, modify, distribute, and sell this software
   6 and its documentation for any purpose is hereby granted without fee,
   7 provided that the above copyright notice appear in all copies and that
   8 both that copyright notice and this permission notice appear in
   9 supporting documentation.  Davor Matic makes no representations about
  10 the suitability of this software for any purpose.  It is provided "as
  11 is" without express or implied warranty.
  12
  13 */
  14
  15 #ifdef HAVE_XNEST_CONFIG_H
  16 #include <xnest-config.h>
  17 #endif
  18
  19 #include <X11/X.h>
  20 #include <X11/Xproto.h>
  21 #include "screenint.h"
  22 #include "inputstr.h"
  23 #include "input.h"
  24 #include "misc.h"
  25 #include "scrnintstr.h"
  26 #include "servermd.h"
  27 #include "mipointer.h"
  28
  29 #include "Xnest.h"
  30
  31 #include "Display.h"
  32 #include "Screen.h"
  33 #include "Pointer.h"
  34 #include "Args.h"
  35
  36 DeviceIntPtr xnestPointerDevice = NULL;
  37
  38 void
  39 xnestChangePointerControl(DeviceIntPtr pDev, PtrCtrl *ctrl)
  40 {
  41   XChangePointerControl(xnestDisplay, True, True,
  42                         ctrl->num, ctrl->den, ctrl->threshold);
  43 }
  44
  45 int
  46 xnestPointerProc(DeviceIntPtr pDev, int onoff)
  47 {
  48   CARD8 map[MAXBUTTONS];
  49   int nmap;
  50   int i;
  51
  52   switch (onoff)
  53     {
  54     case DEVICE_INIT:
  55       nmap = XGetPointerMapping(xnestDisplay, map, MAXBUTTONS);
  56       for (i = 0; i <= nmap; i++)
  57         map[i] = i; /* buttons are already mapped */
  58       InitPointerDeviceStruct(&pDev->public, map, nmap,
  59                               GetMotionHistory,
  60                               xnestChangePointerControl,
  61                               GetMotionHistorySize(), 2);
  62       break;
  63     case DEVICE_ON:
  64       xnestEventMask |= XNEST_POINTER_EVENT_MASK;
  65       for (i = 0; i < xnestNumScreens; i++)
  66         XSelectInput(xnestDisplay, xnestDefaultWindows[i], xnestEventMask);
  67       break;
  68     case DEVICE_OFF:
  69       xnestEventMask &= ~XNEST_POINTER_EVENT_MASK;
  70       for (i = 0; i < xnestNumScreens; i++)
  71         XSelectInput(xnestDisplay, xnestDefaultWindows[i], xnestEventMask);
  72       break;
  73     case DEVICE_CLOSE:
  74       break;
  75     }
  76   return Success;
  77 }