258 lines
5.8 KiB
Groff
258 lines
5.8 KiB
Groff
'\" t
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.\" Title: xgetdevicemodifiermapping
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.77.1 <http://docbook.sf.net/>
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.\" Date: 03/09/2013
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.\" Manual: \ \&
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.\" Source: \ \&
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.\" Language: English
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.\"
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.TH "XGETDEVICEMODIFIERMA" "libmansuffix" "03/09/2013" "\ \&" "\ \&"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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XGetDeviceModifierMapping, XSetDeviceModifierMapping \- query or change device modifier mappings
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.SH "SYNOPSIS"
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.sp
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.nf
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#include <X11/extensions/XInput\&.h>
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.fi
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.sp
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.nf
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int XSetDeviceModifierMapping( Display *display,
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XDevice *device,
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XModifierKeymap *modmap);
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.fi
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.sp
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.nf
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XModifierKeymap *XGetDeviceModifierMapping( Display *display,
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XDevice *device);
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.fi
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.sp
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.nf
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display
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Specifies the connection to the X server\&.
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.fi
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.sp
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.nf
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device
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Specifies the device whose modifier mapping is to be
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queried or modified\&.
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.fi
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.sp
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.nf
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modmap
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Specifies a pointer to the XModifierKeymap structure\&.
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.fi
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.SH "DESCRIPTION"
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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The XSetDeviceModifierMapping request specifies the KeyCodes of
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the keys (if any) that are to be used as modifiers for the
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specified device\&. If it succeeds, the X server generates a
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DeviceMappingNotify event, and XSetDeviceModifierMapping
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returns MappingSuccess\&. X permits at most eight modifier keys\&.
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If more than eight are specified in the XModifierKeymap
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structure, a BadLength error results\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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The modifiermap member of the XModifierKeymap structure
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contains eight sets of max_keypermod KeyCodes, one for each
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modifier in the order Shift, Lock, Control, Mod1, Mod2, Mod3,
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Mod4, and Mod5\&. Only nonzero KeyCodes have meaning in each set,
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and zero KeyCodes are ignored\&. In addition, all of the nonzero
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KeyCodes must be in the range specified by min_keycode and
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max_keycode as returned by XListInputDevices, or a BadValue
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error results\&. No KeyCode may appear twice in the entire map,
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or a BadValue error results\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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An X server can impose restrictions on how modifiers can be
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changed, for example, if certain keys do not generate up
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transitions in hardware, if auto\-repeat cannot be disabled on
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certain keys, or if multiple modifier keys are not supported\&.
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If some such restriction is violated, the status reply is
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MappingFailed, and none of the modifiers are changed\&. If the
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new KeyCodes specified for a modifier differ from those
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currently defined and any (current or new) keys for that
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modifier are in the logically down state,
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XSetDeviceModifierMapping returns MappingBusy, and none of the
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modifiers is changed\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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XSetDeviceModifierMapping can generate BadLength, BadDevice,
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BadMatch, BadAlloc, and BadValue errors\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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The XGetDeviceModifierMapping request returns a pointer to a
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newly created XModifierKeymap structure that contains the keys
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being used as modifiers\&. The structure should be freed after
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use by calling XFreeModifierMapping \&. If only zero values
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appear in the set for any modifier, that modifier is disabled\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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XGetDeviceModifierMapping can generate BadDevice and BadMatch
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errors\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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Structures
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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The XModifierKeymap structure contains:
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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typedef struct {
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int max_keypermod;
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KeyCode *modifiermap;
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} XModifierKeymap;
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.fi
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.if n \{\
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.RE
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.\}
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.SH "DIAGNOSTICS"
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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BadLength
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More than eight keys were specified in the
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XModifierKeymap structure\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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BadAlloc
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The server failed to allocate the requested resource or
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server memory\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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BadDevice
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An invalid device was specified\&. The specified device
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does not exist or has not been opened by this client via
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XOpenInputDevice\&. This error may also occur if the
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specified device is the X keyboard or X pointer device\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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BadMatch
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This error may occur if an XGetDeviceModifierMapping or
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XChangeDeviceModifierMapping request was made specifying
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a device that has no keys\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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BadValue
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Some numeric value falls outside the range of values
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accepted by the request\&. Unless a specific range is
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specified for an argument, the full range defined by the
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argument\*(Aqs type is accepted\&. Any argument defined as a
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set of alternatives can generate this error\&.
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.fi
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.if n \{\
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.RE
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.\}
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.SH "SEE ALSO"
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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XSetDeviceKeyMapping(libmansuffix), XSetDeviceButtonMapping(libmansuffix)
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.fi
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.if n \{\
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.RE
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.\}
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