xref: /OK3568_Linux_fs/external/xserver/Xi/ungrdevk.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /************************************************************
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun Copyright 1989, 1998  The Open Group
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun Permission to use, copy, modify, distribute, and sell this software and its
6*4882a593Smuzhiyun documentation for any purpose is hereby granted without fee, provided that
7*4882a593Smuzhiyun the above copyright notice appear in all copies and that both that
8*4882a593Smuzhiyun copyright notice and this permission notice appear in supporting
9*4882a593Smuzhiyun documentation.
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun all copies or substantial portions of the Software.
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17*4882a593Smuzhiyun OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18*4882a593Smuzhiyun AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19*4882a593Smuzhiyun CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun Except as contained in this notice, the name of The Open Group shall not be
22*4882a593Smuzhiyun used in advertising or otherwise to promote the sale, use or other dealings
23*4882a593Smuzhiyun in this Software without prior written authorization from The Open Group.
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 			All Rights Reserved
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun Permission to use, copy, modify, and distribute this software and its
30*4882a593Smuzhiyun documentation for any purpose and without fee is hereby granted,
31*4882a593Smuzhiyun provided that the above copyright notice appear in all copies and that
32*4882a593Smuzhiyun both that copyright notice and this permission notice appear in
33*4882a593Smuzhiyun supporting documentation, and that the name of Hewlett-Packard not be
34*4882a593Smuzhiyun used in advertising or publicity pertaining to distribution of the
35*4882a593Smuzhiyun software without specific, written prior permission.
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38*4882a593Smuzhiyun ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39*4882a593Smuzhiyun HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40*4882a593Smuzhiyun ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41*4882a593Smuzhiyun WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42*4882a593Smuzhiyun ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43*4882a593Smuzhiyun SOFTWARE.
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun ********************************************************/
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun /***********************************************************************
48*4882a593Smuzhiyun  *
49*4882a593Smuzhiyun  * Request to release a grab of a key on an extension device.
50*4882a593Smuzhiyun  *
51*4882a593Smuzhiyun  */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H
54*4882a593Smuzhiyun #include <dix-config.h>
55*4882a593Smuzhiyun #endif
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #include "inputstr.h"           /* DeviceIntPtr      */
58*4882a593Smuzhiyun #include "windowstr.h"          /* window structure  */
59*4882a593Smuzhiyun #include <X11/extensions/XI.h>
60*4882a593Smuzhiyun #include <X11/extensions/XIproto.h>
61*4882a593Smuzhiyun #include "exglobals.h"
62*4882a593Smuzhiyun #include "dixgrabs.h"
63*4882a593Smuzhiyun #include "xkbsrv.h"
64*4882a593Smuzhiyun #include "xkbstr.h"
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #include "ungrdevk.h"
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun #define AllModifiersMask ( \
69*4882a593Smuzhiyun 	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
70*4882a593Smuzhiyun 	Mod3Mask | Mod4Mask | Mod5Mask )
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun /***********************************************************************
73*4882a593Smuzhiyun  *
74*4882a593Smuzhiyun  * Handle requests from a client with a different byte order.
75*4882a593Smuzhiyun  *
76*4882a593Smuzhiyun  */
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun int _X_COLD
SProcXUngrabDeviceKey(ClientPtr client)79*4882a593Smuzhiyun SProcXUngrabDeviceKey(ClientPtr client)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun     REQUEST(xUngrabDeviceKeyReq);
82*4882a593Smuzhiyun     swaps(&stuff->length);
83*4882a593Smuzhiyun     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
84*4882a593Smuzhiyun     swapl(&stuff->grabWindow);
85*4882a593Smuzhiyun     swaps(&stuff->modifiers);
86*4882a593Smuzhiyun     return (ProcXUngrabDeviceKey(client));
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun /***********************************************************************
90*4882a593Smuzhiyun  *
91*4882a593Smuzhiyun  * Release a grab of a key on an extension device.
92*4882a593Smuzhiyun  *
93*4882a593Smuzhiyun  */
94*4882a593Smuzhiyun 
95*4882a593Smuzhiyun int
ProcXUngrabDeviceKey(ClientPtr client)96*4882a593Smuzhiyun ProcXUngrabDeviceKey(ClientPtr client)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun     DeviceIntPtr dev;
99*4882a593Smuzhiyun     DeviceIntPtr mdev;
100*4882a593Smuzhiyun     WindowPtr pWin;
101*4882a593Smuzhiyun     GrabPtr temporaryGrab;
102*4882a593Smuzhiyun     int rc;
103*4882a593Smuzhiyun 
104*4882a593Smuzhiyun     REQUEST(xUngrabDeviceKeyReq);
105*4882a593Smuzhiyun     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun     rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
108*4882a593Smuzhiyun     if (rc != Success)
109*4882a593Smuzhiyun         return rc;
110*4882a593Smuzhiyun     if (dev->key == NULL)
111*4882a593Smuzhiyun         return BadMatch;
112*4882a593Smuzhiyun 
113*4882a593Smuzhiyun     if (stuff->modifier_device != UseXKeyboard) {
114*4882a593Smuzhiyun         rc = dixLookupDevice(&mdev, stuff->modifier_device, client,
115*4882a593Smuzhiyun                              DixReadAccess);
116*4882a593Smuzhiyun         if (rc != Success)
117*4882a593Smuzhiyun             return BadDevice;
118*4882a593Smuzhiyun         if (mdev->key == NULL)
119*4882a593Smuzhiyun             return BadMatch;
120*4882a593Smuzhiyun     }
121*4882a593Smuzhiyun     else
122*4882a593Smuzhiyun         mdev = PickKeyboard(client);
123*4882a593Smuzhiyun 
124*4882a593Smuzhiyun     rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
125*4882a593Smuzhiyun     if (rc != Success)
126*4882a593Smuzhiyun         return rc;
127*4882a593Smuzhiyun 
128*4882a593Smuzhiyun     if (((stuff->key > dev->key->xkbInfo->desc->max_key_code) ||
129*4882a593Smuzhiyun          (stuff->key < dev->key->xkbInfo->desc->min_key_code))
130*4882a593Smuzhiyun         && (stuff->key != AnyKey))
131*4882a593Smuzhiyun         return BadValue;
132*4882a593Smuzhiyun 
133*4882a593Smuzhiyun     if ((stuff->modifiers != AnyModifier) &&
134*4882a593Smuzhiyun         (stuff->modifiers & ~AllModifiersMask))
135*4882a593Smuzhiyun         return BadValue;
136*4882a593Smuzhiyun 
137*4882a593Smuzhiyun     temporaryGrab = AllocGrab(NULL);
138*4882a593Smuzhiyun     if (!temporaryGrab)
139*4882a593Smuzhiyun         return BadAlloc;
140*4882a593Smuzhiyun 
141*4882a593Smuzhiyun     temporaryGrab->resource = client->clientAsMask;
142*4882a593Smuzhiyun     temporaryGrab->device = dev;
143*4882a593Smuzhiyun     temporaryGrab->window = pWin;
144*4882a593Smuzhiyun     temporaryGrab->type = DeviceKeyPress;
145*4882a593Smuzhiyun     temporaryGrab->grabtype = XI;
146*4882a593Smuzhiyun     temporaryGrab->modifierDevice = mdev;
147*4882a593Smuzhiyun     temporaryGrab->modifiersDetail.exact = stuff->modifiers;
148*4882a593Smuzhiyun     temporaryGrab->modifiersDetail.pMask = NULL;
149*4882a593Smuzhiyun     temporaryGrab->detail.exact = stuff->key;
150*4882a593Smuzhiyun     temporaryGrab->detail.pMask = NULL;
151*4882a593Smuzhiyun 
152*4882a593Smuzhiyun     DeletePassiveGrabFromList(temporaryGrab);
153*4882a593Smuzhiyun     FreeGrab(temporaryGrab);
154*4882a593Smuzhiyun     return Success;
155*4882a593Smuzhiyun }
156