xref: /OK3568_Linux_fs/external/xserver/Xi/xisetdevfocus.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008 Red Hat, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * The above copyright notice and this permission notice (including the next
12*4882a593Smuzhiyun  * paragraph) shall be included in all copies or substantial portions of the
13*4882a593Smuzhiyun  * Software.
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18*4882a593Smuzhiyun  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19*4882a593Smuzhiyun  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20*4882a593Smuzhiyun  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21*4882a593Smuzhiyun  * DEALINGS IN THE SOFTWARE.
22*4882a593Smuzhiyun  *
23*4882a593Smuzhiyun  * Author: Peter Hutterer
24*4882a593Smuzhiyun  */
25*4882a593Smuzhiyun /***********************************************************************
26*4882a593Smuzhiyun  *
27*4882a593Smuzhiyun  * Request to set and get an input device's focus.
28*4882a593Smuzhiyun  *
29*4882a593Smuzhiyun  */
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H
32*4882a593Smuzhiyun #include <dix-config.h>
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #include "inputstr.h"           /* DeviceIntPtr      */
36*4882a593Smuzhiyun #include "windowstr.h"          /* window structure  */
37*4882a593Smuzhiyun #include <X11/extensions/XI2.h>
38*4882a593Smuzhiyun #include <X11/extensions/XI2proto.h>
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #include "exglobals.h"          /* BadDevice */
41*4882a593Smuzhiyun #include "xisetdevfocus.h"
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun int _X_COLD
SProcXISetFocus(ClientPtr client)44*4882a593Smuzhiyun SProcXISetFocus(ClientPtr client)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun     REQUEST(xXISetFocusReq);
47*4882a593Smuzhiyun     REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun     swaps(&stuff->length);
50*4882a593Smuzhiyun     swaps(&stuff->deviceid);
51*4882a593Smuzhiyun     swapl(&stuff->focus);
52*4882a593Smuzhiyun     swapl(&stuff->time);
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun     return ProcXISetFocus(client);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun int _X_COLD
SProcXIGetFocus(ClientPtr client)58*4882a593Smuzhiyun SProcXIGetFocus(ClientPtr client)
59*4882a593Smuzhiyun {
60*4882a593Smuzhiyun     REQUEST(xXIGetFocusReq);
61*4882a593Smuzhiyun     REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun     swaps(&stuff->length);
64*4882a593Smuzhiyun     swaps(&stuff->deviceid);
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun     return ProcXIGetFocus(client);
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun int
ProcXISetFocus(ClientPtr client)70*4882a593Smuzhiyun ProcXISetFocus(ClientPtr client)
71*4882a593Smuzhiyun {
72*4882a593Smuzhiyun     DeviceIntPtr dev;
73*4882a593Smuzhiyun     int ret;
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun     REQUEST(xXISetFocusReq);
76*4882a593Smuzhiyun     REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun     ret = dixLookupDevice(&dev, stuff->deviceid, client, DixSetFocusAccess);
79*4882a593Smuzhiyun     if (ret != Success)
80*4882a593Smuzhiyun         return ret;
81*4882a593Smuzhiyun     if (!dev->focus)
82*4882a593Smuzhiyun         return BadDevice;
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun     return SetInputFocus(client, dev, stuff->focus, RevertToParent,
85*4882a593Smuzhiyun                          stuff->time, TRUE);
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun 
88*4882a593Smuzhiyun int
ProcXIGetFocus(ClientPtr client)89*4882a593Smuzhiyun ProcXIGetFocus(ClientPtr client)
90*4882a593Smuzhiyun {
91*4882a593Smuzhiyun     xXIGetFocusReply rep;
92*4882a593Smuzhiyun     DeviceIntPtr dev;
93*4882a593Smuzhiyun     int ret;
94*4882a593Smuzhiyun 
95*4882a593Smuzhiyun     REQUEST(xXIGetFocusReq);
96*4882a593Smuzhiyun     REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
97*4882a593Smuzhiyun 
98*4882a593Smuzhiyun     ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetFocusAccess);
99*4882a593Smuzhiyun     if (ret != Success)
100*4882a593Smuzhiyun         return ret;
101*4882a593Smuzhiyun     if (!dev->focus)
102*4882a593Smuzhiyun         return BadDevice;
103*4882a593Smuzhiyun 
104*4882a593Smuzhiyun     rep = (xXIGetFocusReply) {
105*4882a593Smuzhiyun         .repType = X_Reply,
106*4882a593Smuzhiyun         .RepType = X_XIGetFocus,
107*4882a593Smuzhiyun         .sequenceNumber = client->sequence,
108*4882a593Smuzhiyun         .length = 0
109*4882a593Smuzhiyun     };
110*4882a593Smuzhiyun 
111*4882a593Smuzhiyun     if (dev->focus->win == NoneWin)
112*4882a593Smuzhiyun         rep.focus = None;
113*4882a593Smuzhiyun     else if (dev->focus->win == PointerRootWin)
114*4882a593Smuzhiyun         rep.focus = PointerRoot;
115*4882a593Smuzhiyun     else if (dev->focus->win == FollowKeyboardWin)
116*4882a593Smuzhiyun         rep.focus = FollowKeyboard;
117*4882a593Smuzhiyun     else
118*4882a593Smuzhiyun         rep.focus = dev->focus->win->drawable.id;
119*4882a593Smuzhiyun 
120*4882a593Smuzhiyun     WriteReplyToClient(client, sizeof(xXIGetFocusReply), &rep);
121*4882a593Smuzhiyun     return Success;
122*4882a593Smuzhiyun }
123*4882a593Smuzhiyun 
124*4882a593Smuzhiyun void
SRepXIGetFocus(ClientPtr client,int len,xXIGetFocusReply * rep)125*4882a593Smuzhiyun SRepXIGetFocus(ClientPtr client, int len, xXIGetFocusReply * rep)
126*4882a593Smuzhiyun {
127*4882a593Smuzhiyun     swaps(&rep->sequenceNumber);
128*4882a593Smuzhiyun     swapl(&rep->length);
129*4882a593Smuzhiyun     swapl(&rep->focus);
130*4882a593Smuzhiyun     WriteToClient(client, len, rep);
131*4882a593Smuzhiyun }
132