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a09e091a JB |
1 | /************************************************************ |
2 | ||
3 | Copyright 1989, 1998 The Open Group | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software and its | |
6 | documentation for any purpose is hereby granted without fee, provided that | |
7 | the above copyright notice appear in all copies and that both that | |
8 | copyright notice and this permission notice appear in supporting | |
9 | documentation. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Hewlett-Packard not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ********************************************************/ | |
46 | ||
47 | /*********************************************************************** | |
48 | * | |
49 | * Request to release a grab of a button on an extension device. | |
50 | * | |
51 | */ | |
52 | ||
53 | #ifdef HAVE_DIX_CONFIG_H | |
54 | #include <dix-config.h> | |
55 | #endif | |
56 | ||
57 | #include "inputstr.h" /* DeviceIntPtr */ | |
58 | #include "windowstr.h" /* window structure */ | |
59 | #include <X11/extensions/XI.h> | |
60 | #include <X11/extensions/XIproto.h> | |
61 | #include "exglobals.h" | |
62 | #include "dixgrabs.h" | |
63 | ||
64 | #include "ungrdevb.h" | |
65 | ||
66 | #define AllModifiersMask ( \ | |
67 | ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \ | |
68 | Mod3Mask | Mod4Mask | Mod5Mask ) | |
69 | ||
70 | /*********************************************************************** | |
71 | * | |
72 | * Handle requests from a client with a different byte order. | |
73 | * | |
74 | */ | |
75 | ||
76 | int | |
77 | SProcXUngrabDeviceButton(ClientPtr client) | |
78 | { | |
79 | REQUEST(xUngrabDeviceButtonReq); | |
80 | swaps(&stuff->length); | |
81 | REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq); | |
82 | swapl(&stuff->grabWindow); | |
83 | swaps(&stuff->modifiers); | |
84 | return (ProcXUngrabDeviceButton(client)); | |
85 | } | |
86 | ||
87 | /*********************************************************************** | |
88 | * | |
89 | * Release a grab of a button on an extension device. | |
90 | * | |
91 | */ | |
92 | ||
93 | int | |
94 | ProcXUngrabDeviceButton(ClientPtr client) | |
95 | { | |
96 | DeviceIntPtr dev; | |
97 | DeviceIntPtr mdev; | |
98 | WindowPtr pWin; | |
99 | GrabPtr temporaryGrab; | |
100 | int rc; | |
101 | ||
102 | REQUEST(xUngrabDeviceButtonReq); | |
103 | REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq); | |
104 | ||
105 | rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess); | |
106 | if (rc != Success) | |
107 | return rc; | |
108 | if (dev->button == NULL) | |
109 | return BadMatch; | |
110 | ||
111 | if (stuff->modifier_device != UseXKeyboard) { | |
112 | rc = dixLookupDevice(&mdev, stuff->modifier_device, client, | |
113 | DixReadAccess); | |
114 | if (rc != Success) | |
115 | return BadDevice; | |
116 | if (mdev->key == NULL) | |
117 | return BadMatch; | |
118 | } | |
119 | else | |
120 | mdev = PickKeyboard(client); | |
121 | ||
122 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); | |
123 | if (rc != Success) | |
124 | return rc; | |
125 | ||
126 | if ((stuff->modifiers != AnyModifier) && | |
127 | (stuff->modifiers & ~AllModifiersMask)) | |
128 | return BadValue; | |
129 | ||
130 | temporaryGrab = AllocGrab(NULL); | |
131 | if (!temporaryGrab) | |
132 | return BadAlloc; | |
133 | ||
134 | temporaryGrab->resource = client->clientAsMask; | |
135 | temporaryGrab->device = dev; | |
136 | temporaryGrab->window = pWin; | |
137 | temporaryGrab->type = DeviceButtonPress; | |
138 | temporaryGrab->grabtype = XI; | |
139 | temporaryGrab->modifierDevice = mdev; | |
140 | temporaryGrab->modifiersDetail.exact = stuff->modifiers; | |
141 | temporaryGrab->modifiersDetail.pMask = NULL; | |
142 | temporaryGrab->detail.exact = stuff->button; | |
143 | temporaryGrab->detail.pMask = NULL; | |
144 | ||
145 | DeletePassiveGrabFromList(temporaryGrab); | |
146 | ||
147 | FreeGrab(temporaryGrab); | |
148 | return Success; | |
149 | } |