| 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 close an extension input 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 "scrnintstr.h" /* screen structure */ |
| 60 | #include <X11/extensions/XI.h> |
| 61 | #include <X11/extensions/XIproto.h> |
| 62 | #include "XIstubs.h" |
| 63 | #include "exglobals.h" |
| 64 | |
| 65 | #include "closedev.h" |
| 66 | |
| 67 | /*********************************************************************** |
| 68 | * |
| 69 | * This procedure closes an input device. |
| 70 | * |
| 71 | */ |
| 72 | |
| 73 | int |
| 74 | SProcXCloseDevice(ClientPtr client) |
| 75 | { |
| 76 | REQUEST(xCloseDeviceReq); |
| 77 | swaps(&stuff->length); |
| 78 | REQUEST_SIZE_MATCH(xCloseDeviceReq); |
| 79 | return (ProcXCloseDevice(client)); |
| 80 | } |
| 81 | |
| 82 | /*********************************************************************** |
| 83 | * |
| 84 | * Clear out event selections and passive grabs from a window for the |
| 85 | * specified device. |
| 86 | * |
| 87 | */ |
| 88 | |
| 89 | static void |
| 90 | DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) |
| 91 | { |
| 92 | InputClientsPtr others; |
| 93 | OtherInputMasks *pOthers; |
| 94 | GrabPtr grab, next; |
| 95 | |
| 96 | if ((pOthers = wOtherInputMasks(pWin)) != 0) |
| 97 | for (others = pOthers->inputClients; others; others = others->next) |
| 98 | if (SameClient(others, client)) |
| 99 | others->mask[dev->id] = NoEventMask; |
| 100 | |
| 101 | for (grab = wPassiveGrabs(pWin); grab; grab = next) { |
| 102 | next = grab->next; |
| 103 | if ((grab->device == dev) && |
| 104 | (client->clientAsMask == CLIENT_BITS(grab->resource))) |
| 105 | FreeResource(grab->resource, RT_NONE); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | /*********************************************************************** |
| 110 | * |
| 111 | * Walk througth the window tree, deleting event selections for this client |
| 112 | * from this device from all windows. |
| 113 | * |
| 114 | */ |
| 115 | |
| 116 | static void |
| 117 | DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client) |
| 118 | { |
| 119 | WindowPtr p2; |
| 120 | |
| 121 | while (p1) { |
| 122 | p2 = p1->firstChild; |
| 123 | DeleteDeviceEvents(dev, p1, client); |
| 124 | DeleteEventsFromChildren(dev, p2, client); |
| 125 | p1 = p1->nextSib; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | /*********************************************************************** |
| 130 | * |
| 131 | * This procedure closes an input device. |
| 132 | * |
| 133 | */ |
| 134 | |
| 135 | int |
| 136 | ProcXCloseDevice(ClientPtr client) |
| 137 | { |
| 138 | int rc, i; |
| 139 | WindowPtr pWin, p1; |
| 140 | DeviceIntPtr d; |
| 141 | |
| 142 | REQUEST(xCloseDeviceReq); |
| 143 | REQUEST_SIZE_MATCH(xCloseDeviceReq); |
| 144 | |
| 145 | rc = dixLookupDevice(&d, stuff->deviceid, client, DixUseAccess); |
| 146 | if (rc != Success) |
| 147 | return rc; |
| 148 | |
| 149 | if (d->deviceGrab.grab && SameClient(d->deviceGrab.grab, client)) |
| 150 | (*d->deviceGrab.DeactivateGrab) (d); /* release active grab */ |
| 151 | |
| 152 | /* Remove event selections from all windows for events from this device |
| 153 | * and selected by this client. |
| 154 | * Delete passive grabs from all windows for this device. */ |
| 155 | |
| 156 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 157 | pWin = screenInfo.screens[i]->root; |
| 158 | DeleteDeviceEvents(d, pWin, client); |
| 159 | p1 = pWin->firstChild; |
| 160 | DeleteEventsFromChildren(d, p1, client); |
| 161 | } |
| 162 | |
| 163 | return Success; |
| 164 | } |