home *** CD-ROM | disk | FTP | other *** search
- /* $XConsortium: xstubs.c,v 1.8 91/07/24 15:48:40 rws Exp $ */
-
- /************************************************************
- Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, California, and the
- Massachusetts Institute of Technology, Cambridge, Massachusetts.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Hewlett-Packard or MIT not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
- ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
- ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- SOFTWARE.
-
- ********************************************************/
-
- #define NEED_EVENTS
- #include "X.h"
- #include "Xproto.h"
- #include "inputstr.h"
- #include "XI.h"
- #include "XIproto.h"
-
- /***********************************************************************
- *
- * Caller: ProcXChangeKeyboardDevice
- *
- * This procedure does the implementation-dependent portion of the work
- * needed to change the keyboard device.
- *
- * The X keyboard device has a FocusRec. If the device that has been
- * made into the new X keyboard did not have a FocusRec,
- * ProcXChangeKeyboardDevice will allocate one for it.
- *
- * If you do not want clients to be able to focus the old X keyboard
- * device, call DeleteFocusClassDeviceStruct to free the FocusRec.
- *
- * If you support input devices with keys that you do not want to be
- * used as the X keyboard, you need to check for them here and return
- * a BadDevice error.
- *
- * The default implementation is to do nothing (assume you do want
- * clients to be able to focus the old X keyboard). The commented-out
- * sample code shows what you might do if you don't want the default.
- *
- */
-
- int
- ChangeKeyboardDevice (old_dev, new_dev)
- DeviceIntPtr old_dev;
- DeviceIntPtr new_dev;
- {
- /***********************************************************************
- DeleteFocusClassDeviceStruct(old_dev); * defined in xchgptr.c *
- **********************************************************************/
- }
-
-
- /***********************************************************************
- *
- * Caller: ProcXChangePointerDevice
- *
- * This procedure does the implementation-dependent portion of the work
- * needed to change the pointer device.
- *
- * The X pointer device does not have a FocusRec. If the device that
- * has been made into the new X pointer had a FocusRec,
- * ProcXChangePointerDevice will free it.
- *
- * If you want clients to be able to focus the old pointer device that
- * has now become accessible through the input extension, you need to
- * add a FocusRec to it here.
- *
- * The XChangePointerDevice protocol request also allows the client
- * to choose which axes of the new pointer device are used to move
- * the X cursor in the X- and Y- directions. If the axes are different
- * than the default ones, you need to keep track of that here.
- *
- * If you support input devices with valuators that you do not want to be
- * used as the X pointer, you need to check for them here and return a
- * BadDevice error.
- *
- * The default implementation is to do nothing (assume you don't want
- * clients to be able to focus the old X pointer). The commented-out
- * sample code shows what you might do if you don't want the default.
- *
- */
-
- int
- ChangePointerDevice (old_dev, new_dev, x, y)
- DeviceIntPtr old_dev, new_dev;
- unsigned char x, y;
- {
- /***********************************************************************
- InitFocusClassDeviceStruct(old_dev); * allow focusing old ptr*
-
- x_axis = x; * keep track of new x-axis*
- y_axis = y; * keep track of new y-axis*
- if (x_axis != 0 || y_axis != 1)
- axes_changed = TRUE; * remember axes have changed*
- else
- axes_changed = FALSE;
- *************************************************************************/
- }
-
- /***********************************************************************
- *
- * Caller: ProcXCloseDevice
- *
- * Take care of implementation-dependent details of closing a device.
- * Some implementations may actually close the device, others may just
- * remove this clients interest in that device.
- *
- * The default implementation is to do nothing (assume all input devices
- * are initialized during X server initialization and kept open).
- *
- */
-
- void
- CloseInputDevice (d, client)
- DeviceIntPtr d;
- ClientPtr client;
- {
- }
-
- /***********************************************************************
- *
- * Caller: ProcXListInputDevices
- *
- * This is the implementation-dependent routine to initialize an input
- * device to the point that information about it can be listed.
- * Some implementations open all input devices when the server is first
- * initialized, and never close them. Other implementations open only
- * the X pointer and keyboard devices during server initialization,
- * and only open other input devices when some client makes an
- * XOpenDevice request. If some other process has the device open, the
- * server may not be able to get information about the device to list it.
- *
- * This procedure should be used by implementations that do not initialize
- * all input devices at server startup. It should do device-dependent
- * initialization for any devices not previously initialized, and call
- * AddInputDevice for each of those devices so that a DeviceIntRec will be
- * created for them.
- *
- * The default implementation is to do nothing (assume all input devices
- * are initialized during X server initialization and kept open).
- * The commented-out sample code shows what you might do if you don't want
- * the default.
- *
- */
-
- void
- AddOtherInputDevices ()
- {
- DeviceIntPtr dev;
- DeviceProc deviceProc;
- pointer private;
-
- /**********************************************************************
- for each uninitialized device, do something like:
-
- dev = (DeviceIntPtr) AddInputDevice(deviceProc, TRUE);
- dev->public.devicePrivate = private;
- RegisterOtherDevice(dev);
- dev->inited = ((*dev->deviceProc)(dev, DEVICE_INIT) == Success);
- ************************************************************************/
-
- }
-
- /***********************************************************************
- *
- * Caller: ProcXOpenDevice
- *
- * This is the implementation-dependent routine to open an input device.
- * Some implementations open all input devices when the server is first
- * initialized, and never close them. Other implementations open only
- * the X pointer and keyboard devices during server initialization,
- * and only open other input devices when some client makes an
- * XOpenDevice request. This entry point is for the latter type of
- * implementation.
- *
- * If the physical device is not already open, do it here. In this case,
- * you need to keep track of the fact that one or more clients has the
- * device open, and physically close it when the last client that has
- * it open does an XCloseDevice.
- *
- * The default implementation is to do nothing (assume all input devices
- * are opened during X server initialization and kept open).
- *
- */
-
- void
- OpenInputDevice (dev, client, status)
- DeviceIntPtr dev;
- ClientPtr client;
- int *status;
- {
- }
-
- /****************************************************************************
- *
- * Caller: ProcXSetDeviceMode
- *
- * Change the mode of an extension device.
- * This function is used to change the mode of a device from reporting
- * relative motion to reporting absolute positional information, and
- * vice versa.
- * The default implementation below is that no such devices are supported.
- *
- */
-
- int
- SetDeviceMode (client, dev, mode)
- register ClientPtr client;
- DeviceIntPtr dev;
- int mode;
- {
- return BadMatch;
- }
-
- /****************************************************************************
- *
- * Caller: ProcXSetDeviceValuators
- *
- * Set the value of valuators on an extension input device.
- * This function is used to set the initial value of valuators on
- * those input devices that are capable of reporting either relative
- * motion or an absolute position, and allow an initial position to be set.
- * The default implementation below is that no such devices are supported.
- *
- */
-
- int
- SetDeviceValuators (client, dev, valuators, first_valuator, num_valuators)
- register ClientPtr client;
- DeviceIntPtr dev;
- int *valuators;
- int first_valuator;
- int num_valuators;
- {
- return BadMatch;
- }
-
- /****************************************************************************
- *
- * Caller: ProcXChangeDeviceControl
- *
- * Change the specified device controls on an extension input device.
- *
- */
-
- int
- ChangeDeviceControl (client, dev, control)
- register ClientPtr client;
- DeviceIntPtr dev;
- xDeviceCtl *control;
- {
- switch (control->control)
- {
- case DEVICE_RESOLUTION:
- return (BadMatch);
- default:
- return (BadMatch);
- }
- }
-