| 1 | /* |
| 2 | * Copyright 2007-2008 Peter Hutterer |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | * Author: Peter Hutterer, University of South Australia, NICTA |
| 24 | */ |
| 25 | |
| 26 | /*********************************************************************** |
| 27 | * |
| 28 | * Request to change a given device pointer's cursor. |
| 29 | * |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_DIX_CONFIG_H |
| 33 | #include <dix-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <X11/X.h> /* for inputstr.h */ |
| 37 | #include <X11/Xproto.h> /* Request macro */ |
| 38 | #include "inputstr.h" /* DeviceIntPtr */ |
| 39 | #include "windowstr.h" /* window structure */ |
| 40 | #include "scrnintstr.h" /* screen structure */ |
| 41 | #include <X11/extensions/XI.h> |
| 42 | #include <X11/extensions/XI2proto.h> |
| 43 | #include "extnsionst.h" |
| 44 | #include "exevents.h" |
| 45 | #include "exglobals.h" |
| 46 | #include "input.h" |
| 47 | |
| 48 | #include "xichangecursor.h" |
| 49 | |
| 50 | /*********************************************************************** |
| 51 | * |
| 52 | * This procedure allows a client to set one pointer's cursor. |
| 53 | * |
| 54 | */ |
| 55 | |
| 56 | int |
| 57 | SProcXIChangeCursor(ClientPtr client) |
| 58 | { |
| 59 | REQUEST(xXIChangeCursorReq); |
| 60 | swaps(&stuff->length); |
| 61 | swapl(&stuff->win); |
| 62 | swapl(&stuff->cursor); |
| 63 | swaps(&stuff->deviceid); |
| 64 | REQUEST_SIZE_MATCH(xXIChangeCursorReq); |
| 65 | return (ProcXIChangeCursor(client)); |
| 66 | } |
| 67 | |
| 68 | int |
| 69 | ProcXIChangeCursor(ClientPtr client) |
| 70 | { |
| 71 | int rc; |
| 72 | WindowPtr pWin = NULL; |
| 73 | DeviceIntPtr pDev = NULL; |
| 74 | CursorPtr pCursor = NULL; |
| 75 | |
| 76 | REQUEST(xXIChangeCursorReq); |
| 77 | REQUEST_SIZE_MATCH(xXIChangeCursorReq); |
| 78 | |
| 79 | rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess); |
| 80 | if (rc != Success) |
| 81 | return rc; |
| 82 | |
| 83 | if (!IsMaster(pDev) || !IsPointerDevice(pDev)) |
| 84 | return BadDevice; |
| 85 | |
| 86 | if (stuff->win != None) { |
| 87 | rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess); |
| 88 | if (rc != Success) |
| 89 | return rc; |
| 90 | } |
| 91 | |
| 92 | if (stuff->cursor == None) { |
| 93 | if (pWin == pWin->drawable.pScreen->root) |
| 94 | pCursor = rootCursor; |
| 95 | else |
| 96 | pCursor = (CursorPtr) None; |
| 97 | } |
| 98 | else { |
| 99 | rc = dixLookupResourceByType((pointer *) &pCursor, stuff->cursor, |
| 100 | RT_CURSOR, client, DixUseAccess); |
| 101 | if (rc != Success) |
| 102 | return rc; |
| 103 | } |
| 104 | |
| 105 | ChangeWindowDeviceCursor(pWin, pDev, pCursor); |
| 106 | |
| 107 | return Success; |
| 108 | } |