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'\" t
.\" Title: xichangehierarchy
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.74.3 <http://docbook.sf.net/>
.\" Date: 10/02/2009
.\" Manual: [FIXME: manual]
.\" Source: [FIXME: source]
.\" Language: English
.\"
.TH "XICHANGEHIERARCHY" "libmansuffix" "10/02/2009" "[FIXME: source]" "[FIXME: manual]"
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
XIChangeHierarchy \- change the device hierarchy\&.
.SH "SYNOPSIS"
.sp
.nf
#include <X11/extensions/XInput2\&.h>
.fi
.sp
.nf
Status XIChangeHierarchy( Display *display,
XIAnyHierarchyChangeInfo *changes,
int num_changes);
.fi
.sp
.nf
display
Specifies the connection to the X server\&.
.fi
.sp
.nf
num_changes
Specifies the number of elements in changes\&.
.fi
.sp
.nf
changes
Specifies the changes to be made\&.
.fi
.SH "DESCRIPTION"
.sp
.if n \{\
.RS 4
.\}
.nf
XIChangeHierarchy modifies the device hierarchy by creating or
removing master devices or changing the attachment of slave
devices\&. If num_changes is non\-zero, changes is an array of
XIAnyHierarchyChangeInfo structures\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIChangeHierarchy processes changes in order, effective
immediately\&. If an error occurs, processing is aborted and the
error is reported to the client\&. Changes already made remain
effective\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
The list of changes is any combination of
XIAnyHierarchyChangeInfo\&. The type of a hierarchy change can be
XIAddMaster, XIRemoveMaster, XIAttachSlave or XIDetachSlave\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
typedef union {
int type;
XIAddMasterInfo add;
XIRemoveMasterInfo remove;
XIAttachSlave attach;
XIDetachSlave detach;
} XIAnyHierarchyChangeInfo;
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
typedef struct {
int type; /* XIAddMaster */
char* name;
Bool send_core;
Bool enable;
} XIAddMasterInfo;
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
typedef struct {
int type; /* XIRemoveMaster */
int deviceid;
int return_mode;
int return_pointer;
int return_keyboard;
} XIRemoveMasterInfo;
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
typedef struct {
int type; /* XIAttachSlave */
int deviceid;
int new_master;
} XIAttachSlaveInfo;
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
typedef struct {
int type; /* XIDetachSlave */
int deviceid;
} XIDetachSlaveInfo;
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIAddMasterInfo creates a new master pointer and a new
master keyboard labelled "name pointer" and "name keyboard"
respectively\&. If sendCore is True, the devices will send core
events\&. If enable is True, the device is enabled immediately\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIAddMasterInfo can generate a BadValue error\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIRemoveMasterInfo removes device and its paired master device\&.
If returnMode is XIAttachToMaster, all pointers attached to
device or its paired master device are attached to
returnPointer\&. Likewise, all keyboards are attached to
returnKeyboard\&. If returnMode is XIFloating, all attached
devices are set to floating\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIRemoveMasterInfo can generate a BadValue and a BadDevice
error\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIAttachSlaveInfo attaches device to newMaster\&. If the device
is currently attached to a master device, it is detached from
the master device and attached to the new master device\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIAttachSlaveInfo can generate a BadDevice error\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIDettachSlaveInfo deattaches device from the current master
device and sets it floating\&. If the device is already floating,
no changes are made\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIDetachSlaveInfo can generate a BadDevice error\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
XIChangeHierarchy generates an XIHierarchyEvent if any
modifications were successful\&.
.fi
.if n \{\
.RE
.\}
.SH "DIAGNOSTICS"
.sp
.if n \{\
.RS 4
.\}
.nf
BadDevice
An invalid device was specified\&. The device does not
exist or is not a appropriate for the type of change\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
BadValue
Some numeric value falls out of the allowed range\&.
.fi
.if n \{\
.RE
.\}
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