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CentOS 7.0 - man page for xkbresizedevicebuttonactions (centos section 3)

XkbResizeDeviceButtonActions(3) 		    XKB FUNCTIONS		      XkbResizeDeviceButtonActions(3)

NAME
XkbResizeDeviceButtonActions - Allocate additional space for button actions in an XkbDeviceInfoRec structure
SYNOPSIS
Status XkbResizeDeviceButtonActions (XkbDeviceInfoPtr device_info, unsigned int new_total);
ARGUMENTS
- device_info structure in which to allocate button actions - new_total new total number of button actions needed
DESCRIPTION
XkbResizeDeviceButtonActions reallocates space, if necessary, to make sure there is room for a total of new_total button actions in the device_info structure. Any new entries allocated are zeroed. If successful, XkbResizeDeviceButtonActions returns Success. If new_total is zero, all button actions are deleted, device_info->num_btns is set to zero, and device_info->btn_acts is set to NULL. If device_info is invalid or new_total is greater than 255, BadValue is returned. If a memory allocation failure occurs, a BadAlloc is returned. To free an XkbDeviceInfoRec structure, use XkbFreeDeviceInfo.
STRUCTURES
Information about X Input Extension devices is transferred between a client program and the Xkb extension in an XkbDeviceInfoRec structure: typedef struct { char * name; /* name for device */ Atom type; /* name for class of devices */ unsigned short device_spec; /* device of interest */ Bool has_own_state; /* True=>this device has its own state */ unsigned short supported; /* bits indicating supported capabilities */ unsigned short unsupported; /* bits indicating unsupported capabilities */ unsigned short num_btns; /* number of entries in btn_acts */ XkbAction * btn_acts; /* button actions */ unsigned short sz_leds; /* total number of entries in LEDs vector */ unsigned short num_leds; /* number of valid entries in LEDs vector */ unsigned short dflt_kbd_fb; /* input extension ID of default (core kbd) indicator */ unsigned short dflt_led_fb; /* input extension ID of default indicator feedback */ XkbDeviceLedInfoPtr leds; /* LED descriptions */ } XkbDeviceInfoRec, *XkbDeviceInfoPtr;
DIAGNOSTICS
BadAlloc Unable to allocate storage BadValue An argument is out of range
SEE ALSO
XkbFreeDeviceInfo(3) X Version 11 libX11 1.6.0 XkbResizeDeviceButtonActions(3)


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