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xclock - analog / digital clock for X
xclock
[ -help ] [ -analog ] [ -digital ] [ -brief ] [ -chime ] [ -hd color ] [ -hl color
] [ -update seconds ] [ -strftime format ] [ -padding number ] [ -norender
] [ -render ] [ -sharp ] [ -face pattern ]
The xclock program
displays the time in analog or digital form. The time is continuously updated
at a frequency which may be specified by the user.
Xclock accepts
all of the standard X Toolkit command line options along with the additional
options listed below:
- -help
- This option indicates that a brief summary of
the allowed options should be printed on the standard error.
- -analog
- This
option indicates that a conventional 12 hour clock face with tick marks
and hands should be used. This is the default.
- -digital or -d
- This option
indicates that a 24 hour digital clock should be used.
- -brief
- This option
indicates that the digital clock should only display the hours and minutes
fields. The default is to show the full time and date information.
- -utime
or -d
- This option indicates that a digital clock should display seconds
since the Epoch (in format '970012340 seconds since Epoch' instead of a standard
24-hour time.
- -strftime format
- This option allows an strftime(3)
format string
to be specified for the digital clock's display.
- -twelve
- This option indicates
that a digital clock should display the time in twelve hour format.
- -twentyfour
- This option indicates that a digital clock should display the time in twenty-four
hour format. This is the default when a digital clock is used.
- -chime
- This
option indicates that the clock should chime once on the half hour and
twice on the hour.
- -hands color (or -hd color)
- This option specifies the color
of the hands on an analog clock. The default is black.
- -highlight color (or
-hl color)
- This option specifies the color of the edges of the hands on
an analog clock, and is only useful on color displays. The default is black.
- -update seconds
- This option specifies the frequency in seconds at which
xclock should update its display. If the clock is obscured and then exposed,
it will be updated immediately. A value of 30 seconds or less will enable
a second hand on an analog clock. The default is 60 seconds.
- -padding number
- This option specifies the width in pixels of the padding between the window
border and clock text or picture. The default is 10 on a digital clock
and 8 on an analog clock.
- -render
- This option tells xclock to use the Xrender
extension to draw an anti-aliased face. This is the default if xclock has
been compiled with Xrender support.
- -norender
- This option turns off the use
of Xrender to draw the clock.
- -sharp
- This option tells xclock to use sharper
edges when drawn using the Xrender extension.
- -face pattern
- This option
specifies the font to use in digital mode when the Xrender extension is
used.
This program uses the Clock widget. It understands all
of the core resource names and classes as well as:
- width (class Width)
- Specifies the width of the clock. The default for analog clocks is 164
pixels; the default for digital clocks is whatever is needed to hold the
clock when displayed in the chosen font.
- height (class Height)
- Specifies
the height of the clock. The default for analog clocks is 164 pixels; the
default for digital clocks is whatever is needed to hold the clock when
displayed in the chosen font.
- update (class Interval)
- Specifies the frequency
in seconds at which the time should be redisplayed.
- foreground (class Foreground)
- Specifies the color for the tic marks. The default is depends on whether
reverseVideo is specified. If reverseVideo is specified the default is
lwhite, otherwise the default is black.
- hands (class Foreground)
- Specifies
the color of the insides of the clock's hands. The default is depends on
whether reverseVideo is specified. If reverseVideo is specified the default
is lwhite, otherwise the default is black.
- highlight (class Foreground)
- Specifies the color used to highlight the clock's hands. The default is
depends on whether
reverseVideo is specified. If reverseVideo is specified the default is
lwhite, otherwise the default is black.
- analog (class Boolean)
- Specifies
whether or not an analog clock should be used instead of a digital one.
The default is True.
- twentyfour (class Boolean)
- Specifies whether or not
a digital clock should display the time in twenty-four hour format. The
default is True.
- chime (class Boolean)
- Specifies whether or not a bell should
be rung on the hour and half hour.
- padding (class Margin)
- Specifies the
amount of internal padding in pixels to be used. The default is 8.
- font
(class Font)
- Specifies the font to be used for the digital clock. Note
that variable width fonts currently will not always display correctly.
- face
(class FaceName)
- Specify the pattern for the font to be used for the digital
clock when Xrender is used.
- render (class Boolean)
- Specifies whether or
not the Xrender extension should be used for the display. The default is
True if xclock has been compiled with Xrender support.
- sharp (class Boolean)
- Specifies if sharp edges should be used when rendering the clock. The default
is False.
In order to specify resources, it is useful to know the
hierarchy of the widgets which compose xclock. In the notation below, indentation
indicates hierarchical structure. The widget class name is given first,
followed by the widget instance name.
.5i
XClock xclock
Clock clock
- DISPLAY
- to get the default host and display number.
- XENVIRONMENT
- to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
- /usr/X11R6/lib/X11/app-defaults/XClock
- specifies required resources
X(7)
, xrdb(1)
, time(3C)
Xclock
believes the system clock.
When in digital mode, the string should be centered
automatically.
Tony Della Fera (MIT-Athena, DEC)
Dave Mankins (MIT-Athena, BBN)
Ed Moy (UC Berkeley)
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