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SuSE 11.3 - man page for xkbchangedeviceinfo (suse section 3)

XkbChangeDeviceInfo(3)						   XKB FUNCTIONS					    XkbChangeDeviceInfo(3)

XkbChangeDeviceInfo - Update the server's description of a device with the changes noted in an XkbDeviceChangesRec
Bool XkbChangeDeviceInfo (Display *dpy, XkbDeviceInfoPtr device_info, XkbDeviceChangesPtr changes);
- dpy connection to X server - device_info local copy of device state and configuration - changes note specifying changes in device_info
XkbChangeDeviceInfo updates the server's description of the device specified in device_info->device_spec with the changes specified in changes and contained in device_info. The update is made by an XkbSetDeviceInfo request.
Changes to an Xkb extension device may be tracked by listening to XkbDeviceExtensionNotify events and accumulating the changes in an XkbDe- viceChangesRec structure. The changes noted in the structure may then be used in subsequent operations to update either a server configura- tion or a local copy of an Xkb extension device configuration. The changes structure is defined as follows: typedef struct _XkbDeviceChanges { unsigned int changed; /* bits indicating what has changed */ unsigned short first_btn; /* number of first button which changed, if any */ unsigned short num_btns; /* number of buttons that have changed */ XkbDeviceLedChangesRec leds; } XkbDeviceChangesRec,*XkbDeviceChangesPtr;
XkbSetDeviceInfo(3) X Version 11 libX11 1.3.2 XkbChangeDeviceInfo(3)