294 lines
10 KiB
C
294 lines
10 KiB
C
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/************************************************************
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Hewlett-Packard not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/*
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* stubs.c -- stub routines for the X server side of the XINPUT
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* extension. This file is mainly to be used only as documentation.
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* There is not much code here, and you can't get a working XINPUT
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* server just using this.
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* The Xvfb server uses this file so it will compile with the same
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* object files as the real X server for a platform that has XINPUT.
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* Xnest could do the same thing.
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*/
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#define NEED_EVENTS
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "inputstr.h"
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "XIstubs.h"
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/***********************************************************************
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*
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* Caller: ProcXChangeKeyboardDevice
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*
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* This procedure does the implementation-dependent portion of the work
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* needed to change the keyboard device.
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*
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* The X keyboard device has a FocusRec. If the device that has been
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* made into the new X keyboard did not have a FocusRec,
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* ProcXChangeKeyboardDevice will allocate one for it.
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*
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* If you do not want clients to be able to focus the old X keyboard
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* device, call DeleteFocusClassDeviceStruct to free the FocusRec.
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*
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* If you support input devices with keys that you do not want to be
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* used as the X keyboard, you need to check for them here and return
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* a BadDevice error.
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*
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* The default implementation is to do nothing (assume you do want
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* clients to be able to focus the old X keyboard). The commented-out
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* sample code shows what you might do if you don't want the default.
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*
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*/
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int
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ChangeKeyboardDevice(DeviceIntPtr old_dev, DeviceIntPtr new_dev)
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{
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/***********************************************************************
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DeleteFocusClassDeviceStruct(old_dev); * defined in xchgptr.c *
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**********************************************************************/
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return BadMatch;
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}
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/***********************************************************************
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*
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* Caller: ProcXChangePointerDevice
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*
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* This procedure does the implementation-dependent portion of the work
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* needed to change the pointer device.
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*
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* The X pointer device does not have a FocusRec. If the device that
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* has been made into the new X pointer had a FocusRec,
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* ProcXChangePointerDevice will free it.
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*
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* If you want clients to be able to focus the old pointer device that
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* has now become accessible through the input extension, you need to
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* add a FocusRec to it here.
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*
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* The XChangePointerDevice protocol request also allows the client
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* to choose which axes of the new pointer device are used to move
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* the X cursor in the X- and Y- directions. If the axes are different
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* than the default ones, you need to keep track of that here.
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*
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* If you support input devices with valuators that you do not want to be
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* used as the X pointer, you need to check for them here and return a
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* BadDevice error.
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*
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* The default implementation is to do nothing (assume you don't want
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* clients to be able to focus the old X pointer). The commented-out
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* sample code shows what you might do if you don't want the default.
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*
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*/
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int
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ChangePointerDevice(DeviceIntPtr old_dev,
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DeviceIntPtr new_dev, unsigned char x, unsigned char y)
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{
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/***********************************************************************
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InitFocusClassDeviceStruct(old_dev); * allow focusing old ptr*
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x_axis = x; * keep track of new x-axis*
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y_axis = y; * keep track of new y-axis*
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if (x_axis != 0 || y_axis != 1)
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axes_changed = TRUE; * remember axes have changed*
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else
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axes_changed = FALSE;
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*************************************************************************/
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return BadMatch;
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}
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/***********************************************************************
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*
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* Caller: ProcXCloseDevice
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*
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* Take care of implementation-dependent details of closing a device.
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* Some implementations may actually close the device, others may just
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* remove this clients interest in that device.
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*
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* The default implementation is to do nothing (assume all input devices
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* are initialized during X server initialization and kept open).
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*
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*/
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void
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CloseInputDevice(DeviceIntPtr d, ClientPtr client)
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{
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}
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/***********************************************************************
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*
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* Caller: ProcXListInputDevices
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*
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* This is the implementation-dependent routine to initialize an input
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* device to the point that information about it can be listed.
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* Some implementations open all input devices when the server is first
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* initialized, and never close them. Other implementations open only
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* the X pointer and keyboard devices during server initialization,
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* and only open other input devices when some client makes an
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* XOpenDevice request. If some other process has the device open, the
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* server may not be able to get information about the device to list it.
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*
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* This procedure should be used by implementations that do not initialize
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* all input devices at server startup. It should do device-dependent
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* initialization for any devices not previously initialized, and call
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* AddInputDevice for each of those devices so that a DeviceIntRec will be
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* created for them.
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*
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* The default implementation is to do nothing (assume all input devices
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* are initialized during X server initialization and kept open).
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* The commented-out sample code shows what you might do if you don't want
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* the default.
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*
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*/
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void
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AddOtherInputDevices(void)
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{
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/**********************************************************************
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for each uninitialized device, do something like:
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DeviceIntPtr dev;
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DeviceProc deviceProc;
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pointer private;
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dev = (DeviceIntPtr) AddInputDevice(deviceProc, TRUE);
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dev->public.devicePrivate = private;
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RegisterOtherDevice(dev);
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dev->inited = ((*dev->deviceProc)(dev, DEVICE_INIT) == Success);
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************************************************************************/
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}
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/***********************************************************************
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*
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* Caller: ProcXOpenDevice
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*
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* This is the implementation-dependent routine to open an input device.
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* Some implementations open all input devices when the server is first
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* initialized, and never close them. Other implementations open only
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* the X pointer and keyboard devices during server initialization,
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* and only open other input devices when some client makes an
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* XOpenDevice request. This entry point is for the latter type of
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* implementation.
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*
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* If the physical device is not already open, do it here. In this case,
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* you need to keep track of the fact that one or more clients has the
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* device open, and physically close it when the last client that has
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* it open does an XCloseDevice.
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*
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* The default implementation is to do nothing (assume all input devices
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* are opened during X server initialization and kept open).
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*
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*/
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void
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OpenInputDevice(DeviceIntPtr dev, ClientPtr client, int *status)
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{
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}
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/****************************************************************************
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*
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* Caller: ProcXSetDeviceMode
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*
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* Change the mode of an extension device.
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* This function is used to change the mode of a device from reporting
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* relative motion to reporting absolute positional information, and
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* vice versa.
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* The default implementation below is that no such devices are supported.
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*
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*/
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int
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SetDeviceMode(register ClientPtr client, DeviceIntPtr dev, int mode)
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{
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return BadMatch;
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}
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/****************************************************************************
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*
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* Caller: ProcXSetDeviceValuators
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*
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* Set the value of valuators on an extension input device.
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* This function is used to set the initial value of valuators on
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* those input devices that are capable of reporting either relative
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* motion or an absolute position, and allow an initial position to be set.
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* The default implementation below is that no such devices are supported.
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*
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*/
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int
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SetDeviceValuators(register ClientPtr client, DeviceIntPtr dev,
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int *valuators, int first_valuator, int num_valuators)
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{
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return BadMatch;
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}
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/****************************************************************************
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*
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* Caller: ProcXChangeDeviceControl
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*
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* Change the specified device controls on an extension input device.
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*
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*/
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int
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ChangeDeviceControl(register ClientPtr client, DeviceIntPtr dev,
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xDeviceCtl * control)
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{
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switch (control->control) {
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case DEVICE_RESOLUTION:
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return (BadMatch);
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default:
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return (BadMatch);
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}
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}
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