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Man Pages


Manual Reference Pages  -  XKBRESIZEDEVICEBUTTONACTIONS (3)

NAME

XkbResizeDeviceButtonActions - Allocate additional space for button actions in an XkbDeviceInfoRec structure

CONTENTS

Synopsis
Arguments
Description
Structures
Diagnostics

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)
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X Version 11 XKBRESIZEDEVICEBUTTONACTIONS (3) libX11 1.6.3

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