From 04f51aaa1f5b0cac419d2891812446c790b9c581 Mon Sep 17 00:00:00 2001 From: Matthieu Herrb Date: Sun, 26 Nov 2006 18:19:47 +0000 Subject: Importing xserver from X.Org 7.2RC2 --- xserver/Xi/chgdctl.c | 195 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 195 insertions(+) create mode 100644 xserver/Xi/chgdctl.c (limited to 'xserver/Xi/chgdctl.c') diff --git a/xserver/Xi/chgdctl.c b/xserver/Xi/chgdctl.c new file mode 100644 index 000000000..d507513a9 --- /dev/null +++ b/xserver/Xi/chgdctl.c @@ -0,0 +1,195 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice 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 +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Hewlett-Packard not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +********************************************************/ + +/******************************************************************** + * + * Change Device control attributes for an extension device. + * + */ + +#define NEED_EVENTS /* for inputstr.h */ +#define NEED_REPLIES +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include /* for inputstr.h */ +#include /* Request macro */ +#include "inputstr.h" /* DeviceIntPtr */ +#include +#include /* control constants */ +#include "XIstubs.h" + +#include "extnsionst.h" +#include "extinit.h" /* LookupDeviceIntRec */ +#include "exglobals.h" + +#include "chgdctl.h" + +/*********************************************************************** + * + * This procedure changes the control attributes for an extension device, + * for clients on machines with a different byte ordering than the server. + * + */ + +int +SProcXChangeDeviceControl(register ClientPtr client) +{ + register char n; + + REQUEST(xChangeDeviceControlReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq); + swaps(&stuff->control, n); + return (ProcXChangeDeviceControl(client)); +} + +/*********************************************************************** + * + * Change the control attributes. + * + */ + +int +ProcXChangeDeviceControl(ClientPtr client) +{ + unsigned len; + int i, status; + DeviceIntPtr dev; + xDeviceResolutionCtl *r; + xChangeDeviceControlReply rep; + AxisInfoPtr a; + CARD32 *resolution; + + REQUEST(xChangeDeviceControlReq); + REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq); + + len = stuff->length - (sizeof(xChangeDeviceControlReq) >> 2); + dev = LookupDeviceIntRec(stuff->deviceid); + if (dev == NULL) { + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, + BadDevice); + return Success; + } + + rep.repType = X_Reply; + rep.RepType = X_ChangeDeviceControl; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + switch (stuff->control) { + case DEVICE_RESOLUTION: + r = (xDeviceResolutionCtl *) & stuff[1]; + if ((len < (sizeof(xDeviceResolutionCtl) >> 2)) || + (len != (sizeof(xDeviceResolutionCtl) >> 2) + r->num_valuators)) { + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, + 0, BadLength); + return Success; + } + if (!dev->valuator) { + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, + BadMatch); + return Success; + } + if ((dev->grab) && !SameClient(dev->grab, client)) { + rep.status = AlreadyGrabbed; + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep); + return Success; + } + resolution = (CARD32 *) (r + 1); + if (r->first_valuator + r->num_valuators > dev->valuator->numAxes) { + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, + BadValue); + return Success; + } + status = ChangeDeviceControl(client, dev, (xDeviceCtl *) r); + if (status == Success) { + a = &dev->valuator->axes[r->first_valuator]; + for (i = 0; i < r->num_valuators; i++) + if (*(resolution + i) < (a + i)->min_resolution || + *(resolution + i) > (a + i)->max_resolution) { + SendErrorToClient(client, IReqCode, + X_ChangeDeviceControl, 0, BadValue); + return Success; + } + for (i = 0; i < r->num_valuators; i++) + (a++)->resolution = *resolution++; + } else if (status == DeviceBusy) { + rep.status = DeviceBusy; + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep); + return Success; + } else { + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, + BadMatch); + return Success; + } + break; + default: + SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, BadValue); + return Success; + } + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep); + return Success; +} + +/*********************************************************************** + * + * This procedure writes the reply for the xChangeDeviceControl function, + * if the client and server have a different byte ordering. + * + */ + +void +SRepXChangeDeviceControl(ClientPtr client, int size, + xChangeDeviceControlReply * rep) +{ + register char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + WriteToClient(client, size, (char *)rep); +} -- cgit v1.2.3