154 lines
		
	
	
		
			5.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			5.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /************************************************************
 | |
| 
 | |
| Copyright 1989, 1998  The Open Group
 | |
| 
 | |
| Permission to use, copy, modify, distribute, and sell this software and its
 | |
| documentation for any purpose is hereby granted without fee, provided that
 | |
| the above copyright notice appear in all copies and that both that
 | |
| copyright notice and this permission notice appear in supporting
 | |
| documentation.
 | |
| 
 | |
| The above copyright notice and this permission notice shall be included in
 | |
| all copies or substantial portions of the Software.
 | |
| 
 | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 | |
| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 | |
| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 | |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 | |
| 
 | |
| Except as contained in this notice, the name of The Open Group shall not be
 | |
| used in advertising or otherwise to promote the sale, use or other dealings
 | |
| in this Software without prior written authorization from The Open Group.
 | |
| 
 | |
| Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
 | |
| 
 | |
| 			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 name of Hewlett-Packard 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.
 | |
| 
 | |
| ********************************************************/
 | |
| 
 | |
| /***********************************************************************
 | |
|  *
 | |
|  * Extension function to grab a button on an extension device.
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_DIX_CONFIG_H
 | |
| #include <dix-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "inputstr.h"           /* DeviceIntPtr      */
 | |
| #include "windowstr.h"          /* window structure  */
 | |
| #include <X11/extensions/XI.h>
 | |
| #include <X11/extensions/XIproto.h>
 | |
| #include "exevents.h"
 | |
| #include "exglobals.h"
 | |
| #include "xace.h"
 | |
| 
 | |
| #include "grabdev.h"
 | |
| #include "grabdevb.h"
 | |
| 
 | |
| /***********************************************************************
 | |
|  *
 | |
|  * Handle requests from clients with a different byte order.
 | |
|  *
 | |
|  */
 | |
| 
 | |
| int _X_COLD
 | |
| SProcXGrabDeviceButton(ClientPtr client)
 | |
| {
 | |
|     REQUEST(xGrabDeviceButtonReq);
 | |
|     swaps(&stuff->length);
 | |
|     REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
 | |
|     swapl(&stuff->grabWindow);
 | |
|     swaps(&stuff->modifiers);
 | |
|     swaps(&stuff->event_count);
 | |
|     REQUEST_FIXED_SIZE(xGrabDeviceButtonReq,
 | |
|                        stuff->event_count * sizeof(CARD32));
 | |
|     SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count);
 | |
| 
 | |
|     return (ProcXGrabDeviceButton(client));
 | |
| }
 | |
| 
 | |
| /***********************************************************************
 | |
|  *
 | |
|  * Grab a button on an extension device.
 | |
|  *
 | |
|  */
 | |
| 
 | |
| int
 | |
| ProcXGrabDeviceButton(ClientPtr client)
 | |
| {
 | |
|     int ret;
 | |
|     DeviceIntPtr dev;
 | |
|     DeviceIntPtr mdev;
 | |
|     XEventClass *class;
 | |
|     struct tmask tmp[EMASKSIZE];
 | |
|     GrabParameters param;
 | |
|     GrabMask mask;
 | |
| 
 | |
|     REQUEST(xGrabDeviceButtonReq);
 | |
|     REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
 | |
| 
 | |
|     if (stuff->length !=
 | |
|         bytes_to_int32(sizeof(xGrabDeviceButtonReq)) + stuff->event_count)
 | |
|         return BadLength;
 | |
| 
 | |
|     ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
 | |
|     if (ret != Success)
 | |
|         return ret;
 | |
| 
 | |
|     if (stuff->modifier_device != UseXKeyboard) {
 | |
|         ret = dixLookupDevice(&mdev, stuff->modifier_device, client,
 | |
|                               DixUseAccess);
 | |
|         if (ret != Success)
 | |
|             return ret;
 | |
|         if (mdev->key == NULL)
 | |
|             return BadMatch;
 | |
|     }
 | |
|     else {
 | |
|         mdev = PickKeyboard(client);
 | |
|         ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixUseAccess);
 | |
|         if (ret != Success)
 | |
|             return ret;
 | |
|     }
 | |
| 
 | |
|     class = (XEventClass *) (&stuff[1]);        /* first word of values */
 | |
| 
 | |
|     if ((ret = CreateMaskFromList(client, class,
 | |
|                                   stuff->event_count, tmp, dev,
 | |
|                                   X_GrabDeviceButton)) != Success)
 | |
|         return ret;
 | |
| 
 | |
|     param = (GrabParameters) {
 | |
|         .grabtype = XI,
 | |
|         .ownerEvents = stuff->ownerEvents,
 | |
|         .this_device_mode = stuff->this_device_mode,
 | |
|         .other_devices_mode = stuff->other_devices_mode,
 | |
|         .grabWindow = stuff->grabWindow,
 | |
|         .modifiers = stuff->modifiers
 | |
|     };
 | |
|     mask.xi = tmp[stuff->grabbed_device].mask;
 | |
| 
 | |
|     ret = GrabButton(client, dev, mdev, stuff->button, ¶m, XI, &mask);
 | |
| 
 | |
|     return ret;
 | |
| }
 |