diff options
| -rw-r--r-- | include/X11/extensions/XInput2.h | 18 | ||||
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/XIGrabDevice.c | 102 |
3 files changed, 121 insertions, 0 deletions
diff --git a/include/X11/extensions/XInput2.h b/include/X11/extensions/XInput2.h index f7ffba3..0d6fbf2 100644 --- a/include/X11/extensions/XInput2.h +++ b/include/X11/extensions/XInput2.h @@ -352,6 +352,24 @@ extern Status XIGetDeviceFocus( int deviceid, Window *focus_return); +extern Status XIGrabDevice( + Display* dpy, + int deviceid, + Window grab_window, + Time time, + Cursor cursor, + int grab_mode, + int paired_device_mode, + Bool owner_events, + XIDeviceEventMask *mask +); + +extern Status XIUngrabDevice( + Display* dpy, + int deviceid, + Time time +); + extern void XIFreeDeviceInfo(XIDeviceInfo *info); extern void XIFreeEventData(XIEvent *ev); diff --git a/src/Makefile.am b/src/Makefile.am index a9b1480..21a1498 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -53,6 +53,7 @@ libXi_la_SOURCES = \ XExtInt.c \ XISelEv.c \ XIint.h \ + XIGrabDevice.c \ XIQueryVersion.c \ XIQueryDevice.c \ XISetDevFocus.c \ diff --git a/src/XIGrabDevice.c b/src/XIGrabDevice.c new file mode 100644 index 0000000..f97138c --- /dev/null +++ b/src/XIGrabDevice.c @@ -0,0 +1,102 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + * + */ + +#include <stdint.h> +#include <X11/Xlibint.h> +#include <X11/extensions/XI2proto.h> +#include <X11/extensions/XInput2.h> +#include <X11/extensions/extutil.h> +#include "XIint.h" + + +Status +XIGrabDevice(Display* dpy, int deviceid, Window grab_window, Time time, + Cursor cursor, int grab_mode, int paired_device_mode, + Bool owner_events, XIDeviceEventMask *mask) +{ + xXIGrabDeviceReq *req; + xXIGrabDeviceReply reply; + char* buff; + int len; + + XExtDisplayInfo *extinfo = XInput_find_display(dpy); + if (_XiCheckExtInit(dpy, Dont_Check, extinfo) == -1) + return (NoSuchExtension); + + GetReq(XIGrabDevice, req); + req->reqType = extinfo->codes->major_opcode; + req->ReqType = X_XIGrabDevice; + req->deviceid = deviceid; + req->grab_window = grab_window; + req->time = time; + req->grab_mode = grab_mode; + req->paired_device_mode = paired_device_mode; + req->owner_events = owner_events; + req->mask_len = mask->mask_len; + req->cursor = cursor; + + + /* masks.mask_len is in bytes, but we need 4-byte units on the wire, + * and they need to be padded with 0 */ + len = (mask->mask_len + 3) / 4; + buff = calloc(1, len); + memcpy(buff, mask->mask, mask->mask_len); + + SetReqLen(req, len, len); + Data(dpy, buff, len * 4); + free(buff); + + if (_XReply(dpy, (xReply *)&reply, 0, xTrue) == 0) + reply.status = GrabSuccess; + + UnlockDisplay(dpy); + SyncHandle(); + + return reply.status; +} + +Status +XIUngrabDevice(Display* dpy, int deviceid, Time time) +{ + xXIUngrabDeviceReq *req; + + XExtDisplayInfo *info = XInput_find_display(dpy); + + LockDisplay(dpy); + if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1) + return (NoSuchExtension); + + GetReq(XIUngrabDevice, req); + req->reqType = info->codes->major_opcode; + req->ReqType = X_XIUngrabDevice; + + req->deviceid = deviceid; + req->time = time; + + UnlockDisplay(dpy); + SyncHandle(); + return (Success); +} + + |