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XkbResizeDeviceButtonActions(3) XKB FUNCTIONS XkbResizeDeviceButtonActions(3)

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

Status XkbResizeDeviceButtonActions (XkbDeviceInfoPtr device_info, unsigned int new_total);

- device_info
structure in which to allocate button actions
- new_total
new total number of button actions needed

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.

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;

Unable to allocate storage
An argument is out of range

libX11 1.6.7 X Version 11

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