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| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/XFakeDevData.c | 81 |
2 files changed, 82 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 8cff802..1f9f0ec 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -18,6 +18,7 @@ libXi_la_SOURCES = \ XDenyDev.c \ XDevBell.c \ XExtToWire.c \ + XFakeDevData.c \ XGetBMap.c \ XGetCPtr.c \ XGetDCtl.c \ diff --git a/src/XFakeDevData.c b/src/XFakeDevData.c new file mode 100644 index 0000000..41a6c6a --- /dev/null +++ b/src/XFakeDevData.c @@ -0,0 +1,81 @@ +/************************************************************ + +Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au> + +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 +AUTHOR 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 author 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 author. + +*/ + +/*********************************************************************** + * + * XFakeDeviceData - fake device data for a given device. The data will appear + * as if would come from the device driver. + * + */ + +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include <X11/Xlibint.h> +#include <X11/extensions/XInput.h> +#include <X11/extensions/extutil.h> +#include "XIint.h" + +int XFakeDeviceData(Display* dpy, + XDevice* dev, + int type, + int buttons, + int num_valuators, + int first_valuator, + ValuatorData* valuators) +{ + xFakeDeviceDataReq *req; + + XExtDisplayInfo *info = XInput_find_display(dpy); + LockDisplay(dpy); + + if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1) + return (NoSuchExtension); + + GetReq(FakeDeviceData, req); + + req->reqType = info->codes->major_opcode; + req->ReqType = X_FakeDeviceData; + req->type = type; + req->deviceid = dev->device_id; + req->buttons = buttons; + req->num_valuators = num_valuators; + req->first_valuator = first_valuator; + req->length += num_valuators; + + if (num_valuators) + { + /* note: Data is a macro that uses its arguments multiple + * times, so "nvalues" is changed in a separate assignment + * statement */ + num_valuators <<= 2; + Data32(dpy, (long*)valuators, num_valuators); + } + + UnlockDisplay(dpy); + SyncHandle(); + return Success; +} + |