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325 lines
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325 lines
8.8 KiB
HTML
15 years ago
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<TITLE>watch - Create and manipulate time with a watch widgets</TITLE>
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<H1>watch - Create and manipulate time with a watch widgets</H1>
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</pre><H2>SYNOPSIS</H2>
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<B>watch<I> <I>pathName </I>?<I>options</I>?
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</pre><H2>INHERITANCE</H2>
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itk::Widget <- Watch
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</pre><H2>STANDARD OPTIONS</H2>
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<P>
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<table cellpadding=5>
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<td valign=top>
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<B>background</B><br>
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</td>
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<td valign=top>
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<B>cursor</B><br>
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</td>
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<td valign=top>
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<B>foreground</B><br>
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</td>
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<td valign=top>
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<B>relief</B><br>
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</td>
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</table>
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<P>
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See the <A HREF="http://www.sco.com/Technology/tcl/man/tk_man/options.n.html"> "options" </A> manual entry for details on the standard options.
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</pre><H2>ASSOCIATED OPTIONS</H2>
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<P>
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See the "Canvas" manual entry for details on the above associated options.
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</pre><H2>WIDGET-SPECIFIC OPTIONS</H2>
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<P>
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<pre>
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Name: <B>clockColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-clockcolor</B>
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</pre>
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<UL>
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Fill color for the main oval encapsulating the watch, in any of the forms
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acceptable to <B>Tk_GetColor</B>. The default is "White".
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</UL>
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<table cellpadding=5>
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<td valign=top>
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<P><br>
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<B>BitmapfR<br>
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</td>
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<td valign=top>
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Name:<br>
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Command-Line<br>
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</td>
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<td valign=top>
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<B>clockStipple</B><br>
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Switch:<br>
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</td>
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<td valign=top>
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Class:<br>
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<B>-clockstipple</B><br>
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</td>
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</table>
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<UL>
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Bitmap for the main oval encapsulating the watch, in any of the forms
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acceptable to <B>Tk_GetBitmap</B>. The default is "".
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</UL>
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<P>
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<pre>
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Name: <B>height</B>
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Class: <B>Height</B>
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Command-Line Switch: <B>-height</B>
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</pre>
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<UL>
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Specifies the height of the watch widget in any of the forms
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acceptable to <B>Tk_GetPixels</B>. The default height is 175 pixels.
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</UL>
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<P>
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<pre>
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Name: <B>hourColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-hourcolor</B>
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</pre>
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<UL>
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Fill color for the hour hand, in any of the forms acceptable to <B>Tk_GetColor</B>.
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The default is "Red".
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</UL>
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<P>
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<pre>
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Name: <B>hourRadius</B>
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Class: <B>Radius</B>
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Command-Line Switch: <B>-hourradius</B>
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</pre>
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<UL>
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Specifies the radius of the hour hand as a percentage of the radius
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from the center to the out perimeter of the clock.
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The value must be a fraction <= 1. The default is ".5".
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</UL>
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<P>
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<pre>
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Name: <B>minuteColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-minutecolor</B>
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</pre>
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<UL>
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Fill color for the minute hand, in any of the forms acceptable to <B>Tk_GetColor</B>.
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The default is "Yellow".
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</UL>
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<P>
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<pre>
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Name: <B>minuteRadius</B>
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Class: <B>Radius</B>
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Command-Line Switch: <B>-minuteradius</B>
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</pre>
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<UL>
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Specifies the radius of the minute hand as a percentage of the radius
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from the center to the out perimeter of the clock.
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The value must be a fraction <= 1. The default is ".8".
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</UL>
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<P>
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<pre>
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Name: <B>pivotColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-pivotcolor</B>
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</pre>
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<UL>
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Fill color for the circle in which the watch hands rotate
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in any of the forms acceptable to <B>Tk_GetColor</B>.
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The default is "White".
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</UL>
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<P>
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<pre>
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Name: <B>pivotRadius</B>
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Class: <B>Radius</B>
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Command-Line Switch: <B>-pivotradius</B>
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</pre>
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<UL>
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Specifies the radius of the circle in which the watch hands rotate
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as a percentage of the radius. The value must be a fraction <= 1.
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The default is ".1".
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</UL>
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<P>
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<pre>
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Name: <B>secondColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-secondcolor</B>
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</pre>
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<UL>
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Fill color for the second hand, in any of the forms acceptable to <B>Tk_GetColor</B>.
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The default is "Black".
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</UL>
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<P>
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<pre>
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Name: <B>secondRadius</B>
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Class: <B>Radius</B>
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Command-Line Switch: <B>-secondradius</B>
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</pre>
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<UL>
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Specifies the radius of the second hand as a percentage of the radius
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from the center to the out perimeter of the clock.
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The value must be a fraction <= 1. The default is ".9".
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</UL>
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<P>
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<pre>
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Name: <B>showAmPm</B>
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Class: <B>ShosAmPm</B>
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Command-Line Switch: <B>-showampm</B>
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</pre>
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<UL>
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Specifies whether the AM/PM radiobuttons should be displayed, in any
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of the forms acceptable to <B>Tcl_GetBoolean</B>. The default is yes.
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</UL>
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<P>
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<pre>
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Name: <B>state</B>
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Class: <B>State</B>
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Command-Line Switch: <B>-state</B>
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</pre>
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<UL>
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Specifies the editable state for the hands on the watch. In a normal
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state, the user can select and move the hands via mouse button 1. The
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valid values are <B>normal</B>, and <B>disabled</B>. The defult is normal.
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</UL>
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<P>
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<pre>
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Name: <B>tickColor</B>
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Class: <B>ColorfR
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Command-Line Switch: <B>-tickcolor</B>
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</pre>
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<UL>
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Fill color for the 60 ticks around the perimeter of the watch,
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in any of the forms acceptable to <B>Tk_GetColor</B>. The default is "Black".
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</UL>
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<P>
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<pre>
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Name: <B>width</B>
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Class: <B>Width</B>
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Command-Line Switch: <B>-width</B>
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</pre>
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<UL>
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Specifies the width of the watch widget in any of the forms
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acceptable to <B>Tk_GetPixels</B>. The default height is 155 pixels.
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</UL>
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</pre><HR>
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</pre><H2>DESCRIPTION</H2>
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<P>
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The <B>watch</B> command creates a watch with hour, minute, and
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second hands modifying the time value.
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</pre><H2>METHODS</H2>
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<P>
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The <B>watch</B> command creates a new Tcl command whose
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name is <I>pathName</I>. This command may be used to invoke various
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operations on the widget. It has the following general form:
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<pre>
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<I>pathName option </I>?<I>arg arg ...</I>?
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</pre>
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<I>Option</I> and the <I>arg</I>s
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determine the exact behavior of the command. The following
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commands are possible for watch widgets:
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</pre><H2>WIDGET-SPECIFIC METHODS</H2>
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<DL>
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<DT> <I>pathName <B>cget</B> <I>option</I>
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</I></B>
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<DD> Returns the current value of the configuration option given
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by <I>option</I>.
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<I>Option</I> may have any of the values accepted by the <B>watch</B>
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command.
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</DL>
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<DL>
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<DT> <I>pathName</I> <B>configure</B> ?<I>option</I>? ?<I>value option value ...</I>?
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</I></B>
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<DD> Query or modify the configuration options of the widget.
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If no <I>option</I> is specified, returns a list describing all of
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the available options for <I>pathName</I> (see <B>Tk_ConfigureInfo</B> for
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information on the format of this list). If <I>option</I> is specified
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with no <I>value</I>, then the command returns a list describing the
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one named option (this list will be identical to the corresponding
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sublist of the value returned if no <I>option</I> is specified). If
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one or more <I>option-value</I> pairs are specified, then the command
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modifies the given widget option(s) to have the given value(s); in
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this case the command returns an empty string.
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<I>Option</I> may have any of the values accepted by the <B>watch</B>
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command.
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</DL>
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<DL>
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<DT> <I>pathName <B>get</B> ?<B>format</B>?
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</I></B>
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<DD> Returns the current time of the watch in a format of
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string or as an integer clock value using the <B>-string</B> and <B>-clicks</B>
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format options respectively. The default is by string. Reference the
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clock command for more information on obtaining time and its
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formats.
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</DL>
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<DL>
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<DT> <I>pathName <B>show</B> <I>time</I>
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</I></B>
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<DD> Changes the currently displayed time to be that of the time
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argument. The time may be specified either as a string, an
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integer clock value or the keyword "now". Reference the clock
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command for more information on obtaining time and its format.
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</DL>
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<DL>
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<DT> <I>pathName <B>watch</B> ?<B>args</B>?
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</I></B>
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<DD> Evaluates the specifieds <B>args</B> against the canvas component.
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</DL>
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</pre><H2>COMPONENTS</H2>
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<P>
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<pre>
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Name: <B>canvas</B>
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Class: <B>Canvas</B>
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</pre>
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<UL>
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The canvas component is the where the clock is drawn. See the
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Canvas widget manual entry for details.
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</UL>
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<P>
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<pre>
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Name: <B>frame</B>
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Class: <B>Frame</B>
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</pre>
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<UL>
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The frame component is the where the "AM" and "PM" radiobuttons are displayed.
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See the Frame widget manual entry for details.
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</UL>
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<P>
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<pre>
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Name: <B>am</B>
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Class: <B>Radiobutton</B>
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</pre>
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<UL>
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The am component indicates whether on not the time is relative to "AM".
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See the Radiobutton widget manual entry for details.
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</UL>
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<P>
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<pre>
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Name: <B>pm</B>
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Class: <B>Radiobutton</B>
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</pre>
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<UL>
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The pm component indicates whether on not the time is relative to "PM".
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See the Radiobutton widget manual entry for details.
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</UL>
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</table>
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</pre><H2>EXAMPLE</H2>
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<pre>
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watch .w -state disabled -showampm no -width 155 -height 155
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pack .w -padx 10 -pady 10 -fill both -expand yes
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while {1} {
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after 1000
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.w show
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update
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}
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</pre>
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</pre><H2>AUTHORS</H2>
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John Tucker
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<P>
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Mark L. Ulferts
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</pre><H2>KEYWORDS</H2>
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watch, hand, ticks, pivot, widget
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