1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* Copyright 2007-2008 Peter Hutterer
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Author: Peter Hutterer, University of South Australia, NICTA
*/
/***********************************************************************
*
* Request to query the pointer location of an extension input device.
*
*/
#define NEED_EVENTS
#define NEED_REPLIES
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h> /* for inputstr.h */
#include <X11/Xproto.h> /* Request macro */
#include "inputstr.h" /* DeviceIntPtr */
#include "windowstr.h" /* window structure */
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include "extnsionst.h"
#include "exevents.h"
#include "exglobals.h"
#ifdef PANORAMIX
#include "panoramiXsrv.h"
#endif
#include "querydp.h"
/***********************************************************************
*
* This procedure allows a client to query the pointer of a device.
*
*/
int
SProcXQueryDevicePointer(ClientPtr client)
{
char n;
REQUEST(xQueryDevicePointerReq);
swaps(&stuff->length, n);
return (ProcXQueryDevicePointer(client));
}
int
ProcXQueryDevicePointer(ClientPtr client)
{
int rc;
xQueryDevicePointerReply rep;
DeviceIntPtr pDev, kbd;
WindowPtr pWin, t;
SpritePtr pSprite;
REQUEST(xQueryDevicePointerReq);
REQUEST_SIZE_MATCH(xQueryDevicePointerReq);
rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixReadAccess);
if (rc != Success)
return rc;
if (pDev->valuator == NULL)
{
client->errorValue = stuff->deviceid;
return BadDevice;
}
rc = dixLookupWindow(&pWin, stuff->win, client, DixReadAccess);
if (rc != Success)
{
SendErrorToClient(client, IReqCode, X_QueryDevicePointer,
stuff->win, rc);
return Success;
}
if (pDev->valuator->motionHintWindow)
MaybeStopHint(pDev, client);
kbd = GetPairedDevice(pDev);
pSprite = pDev->spriteInfo->sprite;
rep.repType = X_Reply;
rep.RepType = X_QueryDevicePointer;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.mask = pDev->button->state | (kbd && kbd->key) ? kbd->key->state : 0;
rep.root = (GetCurrentRootWindow(pDev))->drawable.id;
rep.rootX = pSprite->hot.x;
rep.rootY = pSprite->hot.y;
rep.child = None;
rep.deviceid = pDev->id;
if (pSprite->hot.pScreen == pWin->drawable.pScreen)
{
rep.sameScreen = xTrue;
rep.winX = pSprite->hot.x - pWin->drawable.x;
rep.winY = pSprite->hot.y - pWin->drawable.y;
for (t = pSprite->win; t; t = t->parent)
if (t->parent == pWin)
{
rep.child = t->drawable.id;
break;
}
} else
{
rep.sameScreen = xFalse;
rep.winX = 0;
rep.winY = 0;
}
#ifdef PANORAMIX
if(!noPanoramiXExtension) {
rep.rootX += panoramiXdataPtr[0].x;
rep.rootY += panoramiXdataPtr[0].y;
if (stuff->win == rep.root)
{
rep.winX += panoramiXdataPtr[0].x;
rep.winY += panoramiXdataPtr[0].y;
}
}
#endif
WriteReplyToClient(client, sizeof(xQueryDevicePointerReply), &rep);
return Success;
}
/***********************************************************************
*
* This procedure writes the reply for the XQueryDevicePointer function,
* if the client and server have a different byte ordering.
*
*/
void
SRepXQueryDevicePointer(ClientPtr client, int size,
xQueryDevicePointerReply * rep)
{
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
WriteToClient(client, size, (char *)rep);
}
|
