| 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 | * Extension function to grab a key 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 "exevents.h" |
| 62 | #include "exglobals.h" |
| 63 | #include "xace.h" |
| 64 | |
| 65 | #include "grabdev.h" |
| 66 | #include "grabdevk.h" |
| 67 | |
| 68 | /*********************************************************************** |
| 69 | * |
| 70 | * Handle requests from clients with a different byte order. |
| 71 | * |
| 72 | */ |
| 73 | |
| 74 | int |
| 75 | SProcXGrabDeviceKey(ClientPtr client) |
| 76 | { |
| 77 | REQUEST(xGrabDeviceKeyReq); |
| 78 | swaps(&stuff->length); |
| 79 | REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq); |
| 80 | swapl(&stuff->grabWindow); |
| 81 | swaps(&stuff->modifiers); |
| 82 | swaps(&stuff->event_count); |
| 83 | REQUEST_FIXED_SIZE(xGrabDeviceKeyReq, stuff->event_count * sizeof(CARD32)); |
| 84 | SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count); |
| 85 | return (ProcXGrabDeviceKey(client)); |
| 86 | } |
| 87 | |
| 88 | /*********************************************************************** |
| 89 | * |
| 90 | * Grab a key on an extension device. |
| 91 | * |
| 92 | */ |
| 93 | |
| 94 | int |
| 95 | ProcXGrabDeviceKey(ClientPtr client) |
| 96 | { |
| 97 | int ret; |
| 98 | DeviceIntPtr dev; |
| 99 | DeviceIntPtr mdev; |
| 100 | XEventClass *class; |
| 101 | struct tmask tmp[EMASKSIZE]; |
| 102 | GrabParameters param; |
| 103 | GrabMask mask; |
| 104 | |
| 105 | REQUEST(xGrabDeviceKeyReq); |
| 106 | REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq); |
| 107 | |
| 108 | if (stuff->length != |
| 109 | bytes_to_int32(sizeof(xGrabDeviceKeyReq)) + stuff->event_count) |
| 110 | return BadLength; |
| 111 | |
| 112 | ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess); |
| 113 | if (ret != Success) |
| 114 | return ret; |
| 115 | |
| 116 | if (stuff->modifier_device != UseXKeyboard) { |
| 117 | ret = dixLookupDevice(&mdev, stuff->modifier_device, client, |
| 118 | DixUseAccess); |
| 119 | if (ret != Success) |
| 120 | return ret; |
| 121 | if (mdev->key == NULL) |
| 122 | return BadMatch; |
| 123 | } |
| 124 | else { |
| 125 | mdev = PickKeyboard(client); |
| 126 | ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixUseAccess); |
| 127 | if (ret != Success) |
| 128 | return ret; |
| 129 | } |
| 130 | |
| 131 | class = (XEventClass *) (&stuff[1]); /* first word of values */ |
| 132 | |
| 133 | if ((ret = CreateMaskFromList(client, class, |
| 134 | stuff->event_count, tmp, dev, |
| 135 | X_GrabDeviceKey)) != Success) |
| 136 | return ret; |
| 137 | |
| 138 | param = (GrabParameters) { |
| 139 | .grabtype = XI, |
| 140 | .ownerEvents = stuff->ownerEvents, |
| 141 | .this_device_mode = stuff->this_device_mode, |
| 142 | .other_devices_mode = stuff->other_devices_mode, |
| 143 | .grabWindow = stuff->grabWindow, |
| 144 | .modifiers = stuff->modifiers |
| 145 | }; |
| 146 | mask.xi = tmp[stuff->grabbed_device].mask; |
| 147 | |
| 148 | ret = GrabKey(client, dev, mdev, stuff->key, ¶m, XI, &mask); |
| 149 | |
| 150 | return ret; |
| 151 | } |