274 lines
9.7 KiB
Groff
274 lines
9.7 KiB
Groff
.\" $Xorg: xclock.man,v 1.4 2001/02/09 02:05:39 xorgcvs Exp $
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.\" Copyright 1988, 1994, 1998 The Open Group
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this software and its
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.\" documentation for any purpose is hereby granted without fee, provided that
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.\" the above copyright notice appear in all copies and that both that
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.\" copyright notice and this permission notice appear in supporting
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.\" documentation.
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.\"
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.\" The above copyright notice and this permission notice shall be included
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.\" in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of The Open Group shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from The Open Group.
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.\"
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.\" $XFree86: xc/programs/xclock/xclock.man,v 1.15 2003/07/04 16:24:30 eich Exp $
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.\"
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.TH XCLOCK 1 __xorgversion__
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.SH NAME
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xclock \- analog / digital clock for X
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.SH SYNOPSIS
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.ta 8n
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\fBxclock\fP [ \fB\-help\fP ] [ \fB\-analog\fP | \fB\-digital\fP ]
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[ \fB\-brief\fP ] [ \fB\-chime\fP ] [ \fB\-hd\fP \fIcolor\fP ]
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[ \fB\-hl\fP \fIcolor\fP ] [ \fB\-update\fP \fIseconds\fP ]
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[ \fB\-strftime\fP \fIformat\fP ]
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[ \fB\-twelve\fP | \fB-twentyfour\fP | \fB-utime\fP ]
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[ \fB\-padding\fP \fInumber\fP ]
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[ \fB\-norender\fP ]
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[ \fB\-render\fP ]
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[ \fB\-sharp\fP ]
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[ \fB\-face\fP \fIpattern\fP ]
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.SH DESCRIPTION
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The
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.I xclock
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program displays the time in analog or digital form. The time is continuously
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updated at a frequency which may be specified by the user.
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.SH OPTIONS
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.I Xclock
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accepts all of the standard X Toolkit command line options along with the
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additional options listed below:
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.TP 8
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.B \-help
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This option indicates that a brief summary of the allowed options should be
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printed on the standard error.
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.TP 8
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.B \-analog
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This option indicates that a conventional 12 hour clock face with tick marks
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and hands should be used. This is the default.
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.TP 8
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\fB\-digital\fP or \fB\-d\fP
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This option indicates that a 24 hour digital clock should be used.
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.TP 8
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\fB\-brief\fP
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This option indicates that the digital clock should only display the hours
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and minutes fields. The default is to show the full time and date information.
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.TP 8
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\fB\-utime\fP
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This option indicates that a digital clock should display seconds since
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the Epoch (in format '970012340 seconds since Epoch' instead of a standard
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24-hour time.
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.TP 8
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.B \-strftime \fIformat\fP
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This option allows an strftime(3) format string to be specified for the
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digital clock's display.
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.TP 8
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.B \-twelve
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This option indicates that a digital clock should display the time in
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twelve hour format.
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.TP 8
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.B \-twentyfour
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This option indicates that a digital clock should display the time in
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twenty-four hour format. This is the default when a digital clock is used.
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.TP 8
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.B \-chime
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This option indicates that the clock should chime
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once on the half hour and twice on the hour.
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.TP 8
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\fB\-hands\fP \fIcolor\fP (or \fB\-hd\fP \fIcolor\fP)
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This option specifies the color of the hands on an analog clock. The default
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is \fIblack\fP.
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This option is effectively ignored when Xrender is in use.
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.TP 8
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\fB\-highlight\fP \fIcolor\fP (or \fB\-hl\fP \fIcolor\fP)
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This option specifies the color of the edges of the hands on an analog clock,
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and is only useful on color displays. The default is \fIblack\fP.
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This option is effectively ignored when Xrender is in use.
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.TP 8
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.B \-update \fIseconds\fP
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This option specifies the frequency in seconds at which \fIxclock\fP
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should update its display. If the clock is obscured and then exposed,
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it will be updated immediately. A value of 30 seconds or less will enable a
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second hand on an analog clock. The default is 60 seconds.
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.TP 8
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.B \-padding \fInumber\fP
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This option specifies the width in pixels of the padding
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between the window border and clock text or picture. The default is 10
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on a digital clock and 8 on an analog clock.
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.TP 8
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.B \-render
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This option tells \fIxclock\fP to use the Xrender extension to draw an
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anti-aliased face. This is the default if \fIxclock\fP has been
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compiled with Xrender support.
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Note that the color selection options and resources used when Xrender is
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in effect differ from the standard options.
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.TP 8
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.B \-norender
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This option turns off the use of Xrender to draw the clock.
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.TP 8
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.B \-sharp
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This option tells \fIxclock\fP to use sharper edges when drawn using
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the Xrender extension.
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.TP 8
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.B \-face \fIpattern\fP
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This option specifies the font to use in digital mode when the
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Xrender extension is used. Patterns are specified using the
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fontconfig face format described in the
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.I Font Names
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section of
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.IR fonts.conf (__filemansuffix__).
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.SH X DEFAULTS
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This program uses the
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.I Clock
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widget. It understands all of the core resource names and classes as well as:
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.PP
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.TP 8
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.B width (\fPclass\fB Width)
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Specifies the width of the clock. The default for analog clocks is 164
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pixels; the default for digital clocks is whatever is needed to hold the
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clock when displayed in the chosen font.
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.TP 8
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.B height (\fPclass\fB Height)
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Specifies the height of the clock. The default for analog clocks is 164
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pixels; the default for digital clocks is whatever is needed to hold the
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clock when displayed in the chosen font.
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.TP 8
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.B update (\fPclass\fB Interval)
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Specifies the frequency in seconds at which the time should be redisplayed.
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.TP 8
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.B foreground (\fPclass\fB Foreground)
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Specifies the color for the tick marks. The default depends on whether
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\fIreverseVideo\fP is specified. If \fIreverseVideo\fP is specified
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the default is \fIlwhite\fP, otherwise the default is \fIblack\fP.
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.TP 8
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.B hands (\fPclass\fB Foreground)
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Specifies the color of the insides of the clock's hands. The default
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depends on whether
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\fIreverseVideo\fP is specified. If \fIreverseVideo\fP is specified
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the default is \fIlwhite\fP, otherwise the default is \fIblack\fP.
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Note that this resource is not used when Xrender is in effect.
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.TP 8
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.B highlight (\fPclass\fB Foreground)
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Specifies the color used to highlight the clock's hands. The default is
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depends on whether
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\fIreverseVideo\fP is specified. If \fIreverseVideo\fP is specified
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the default is \fIlwhite\fP, otherwise the default is \fIblack\fP.
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Note that this resource is not used when Xrender is in effect.
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.TP 8
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.B analog (\fPclass\fB Boolean)
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Specifies whether or not an analog clock should be used instead of a digital
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one. The default is True.
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.TP 8
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.B twentyfour (\fPclass\fB Boolean)
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Specifies whether or not a digital clock should display the time in
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twenty-four hour format. The default is True.
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.TP 8
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.B chime (\fPclass\fB Boolean)
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Specifies whether or not a bell should be rung on the hour and half hour.
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.TP 8
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.B padding (\fPclass\fB Margin)
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Specifies the amount of internal padding in pixels to be used. The default is
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8.
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.TP 8
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.B font (\fPclass\fB Font)
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Specifies the font to be used for the digital clock. Note that variable width
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fonts currently will not always display correctly.
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This font is only used when Xrender is not in effect.
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.TP 8
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.B render (\fPclass\fB Boolean)
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Specifies whether or not the Xrender extension should be used for the
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display. The default is True if \fIxclock\fP has been compiled with
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Xrender support.
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.PP
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When Xrender is in effect, the following additional resources are
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understood:
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.PP
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.TP 8
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.B face (\fPclass\fB FaceName)
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Specify the pattern for the font to be used for the digital clock when
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Xrender is used. Patterns are specified using the fontconfig face format
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described in the
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.I Font Names
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section of
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.IR fonts.conf (__filemansuffix__).
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.TP 8
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.B sharp (\fPclass\fB Boolean)
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Specifies if sharp edges should be used when rendering the clock.
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The default is False.
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.TP 8
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.B buffer (\fPclass\fB Boolean)
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Specifies that the updates of the image are drawn to a pixmap before copied
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into the window instead drawing them into the window directly.
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.PP
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The defaults of the following color resources depend on whether
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\fIreverseVideo\fP is specified.
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If \fIreverseVideo\fP is specified the default is \fIlwhite\fP,
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otherwise the default is \fIblack\fP.
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.TP 8
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.B hourColor (\fPclass\fB Foreground)
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The color of the hour hand.
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.TP 8
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.B minuteColor (\fPclass\fB Foreground)
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The color of the minute hand.
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.TP 8
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.B secondColor (\fPclass\fB Foreground)
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The color of the second hand.
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.TP 8
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.B majorColor (\fPclass\fB Foreground)
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The color of the major scale ticks (i. e. each five minutes).
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.TP 8
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.B minorColor (\fPclass\fB Foreground)
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The color of the minor scale ticks (between major ticks).
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.SH WIDGETS
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In order to specify resources, it is useful to know the hierarchy of
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the widgets which compose \fIxclock\fR. In the notation below,
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indentation indicates hierarchical structure. The widget class name
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is given first, followed by the widget instance name.
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.sp
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.nf
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.\".TA .5i
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.ta .5i
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XClock xclock
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Clock clock
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.fi
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.sp
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.SH ENVIRONMENT
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.PP
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.TP 8
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.B DISPLAY
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to get the default host and display number.
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.TP 8
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.B XENVIRONMENT
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to get the name of a resource file that overrides the global resources
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stored in the RESOURCE_MANAGER property.
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.SH FILES
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.TP
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.I __apploaddir__/XClock
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specifies required resources
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.SH "SEE ALSO"
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X(__miscmansuffix__), xrdb(1), time(3C), fonts.conf (__filemansuffix__).
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.SH BUGS
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.I Xclock
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believes the system clock.
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.PP
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When in digital mode, the string should be centered automatically.
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.SH AUTHORS
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Tony Della Fera (MIT-Athena, DEC)
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.br
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Dave Mankins (MIT-Athena, BBN)
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.br
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Ed Moy (UC Berkeley)
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