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Diffstat (limited to 'xorg-server/Xi/grabdevb.c')
| -rw-r--r-- | xorg-server/Xi/grabdevb.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/xorg-server/Xi/grabdevb.c b/xorg-server/Xi/grabdevb.c new file mode 100644 index 000000000..ce0dcc5f9 --- /dev/null +++ b/xorg-server/Xi/grabdevb.c @@ -0,0 +1,146 @@ +/************************************************************ + +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. + +********************************************************/ + +/*********************************************************************** + * + * Extension function to grab a button on an extension device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* window structure */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "exevents.h" +#include "exglobals.h" +#include "xace.h" + +#include "grabdev.h" +#include "grabdevb.h" + +/*********************************************************************** + * + * Handle requests from clients with a different byte order. + * + */ + +int +SProcXGrabDeviceButton(ClientPtr client) +{ + char n; + + REQUEST(xGrabDeviceButtonReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq); + swapl(&stuff->grabWindow, n); + swaps(&stuff->modifiers, n); + swaps(&stuff->event_count, n); + REQUEST_FIXED_SIZE(xGrabDeviceButtonReq, + stuff->event_count * sizeof(CARD32)); + SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count); + + return (ProcXGrabDeviceButton(client)); +} + +/*********************************************************************** + * + * Grab a button on an extension device. + * + */ + +int +ProcXGrabDeviceButton(ClientPtr client) +{ + int ret; + DeviceIntPtr dev; + DeviceIntPtr mdev; + XEventClass *class; + struct tmask tmp[EMASKSIZE]; + + REQUEST(xGrabDeviceButtonReq); + REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq); + + if (stuff->length != + (sizeof(xGrabDeviceButtonReq) >> 2) + stuff->event_count) + return BadLength; + + ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess); + if (ret != Success) + return ret; + + if (stuff->modifier_device != UseXKeyboard) { + ret = dixLookupDevice(&mdev, stuff->modifier_device, client, + DixReadAccess); + if (ret != Success) + return ret; + if (mdev->key == NULL) + return BadMatch; + } else { + mdev = inputInfo.keyboard; + ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixReadAccess); + if (ret != Success) + return ret; + } + + class = (XEventClass *) (&stuff[1]); /* first word of values */ + + if ((ret = CreateMaskFromList(client, class, + stuff->event_count, tmp, dev, + X_GrabDeviceButton)) != Success) + return ret; + ret = GrabButton(client, dev, stuff->this_device_mode, + stuff->other_devices_mode, stuff->modifiers, mdev, + stuff->button, stuff->grabWindow, stuff->ownerEvents, + (Cursor) 0, (Window) 0, tmp[stuff->grabbed_device].mask); + + return ret; +} |