+++ /dev/null
-'\"
-'\" Copyright 1991-1997 by Bell Labs Innovations for Lucent Technologies.
-'\"
-'\" Permission to use, copy, modify, and distribute this software and its
-'\" documentation for any purpose and without fee is hereby granted, provided
-'\" that the above copyright notice appear in all copies and that both that the
-'\" copyright notice and warranty disclaimer appear in supporting documentation,
-'\" and that the names of Lucent Technologies any of their entities not be used
-'\" in advertising or publicity pertaining to distribution of the software
-'\" without specific, written prior permission.
-'\"
-'\" Lucent Technologies disclaims all warranties with regard to this software,
-'\" including all implied warranties of merchantability and fitness. In no event
-'\" shall Lucent Technologies be liable for any special, indirect or
-'\" consequential damages or any damages whatsoever resulting from loss of use,
-'\" data or profits, whether in an action of contract, negligence or other
-'\" tortuous action, arising out of or in connection with the use or performance
-'\" of this software.
-'\"
-'\" The definitions below are for supplemental macros used in Tcl/Tk
-'\" manual entries.
-'\"
-'\" .AP type name in/out ?indent?
-'\" Start paragraph describing an argument to a library procedure.
-'\" type is type of argument (int, etc.), in/out is either "in", "out",
-'\" or "in/out" to describe whether procedure reads or modifies arg,
-'\" and indent is equivalent to second arg of .IP (shouldn't ever be
-'\" needed; use .AS below instead)
-'\"
-'\" .AS ?type? ?name?
-'\" Give maximum sizes of arguments for setting tab stops. Type and
-'\" name are examples of largest possible arguments that will be passed
-'\" to .AP later. If args are omitted, default tab stops are used.
-'\"
-'\" .BS
-'\" Start box enclosure. From here until next .BE, everything will be
-'\" enclosed in one large box.
-'\"
-'\" .BE
-'\" End of box enclosure.
-'\"
-'\" .CS
-'\" Begin code excerpt.
-'\"
-'\" .CE
-'\" End code excerpt.
-'\"
-'\" .VS ?version? ?br?
-'\" Begin vertical sidebar, for use in marking newly-changed parts
-'\" of man pages. The first argument is ignored and used for recording
-'\" the version when the .VS was added, so that the sidebars can be
-'\" found and removed when they reach a certain age. If another argument
-'\" is present, then a line break is forced before starting the sidebar.
-'\"
-'\" .VE
-'\" End of vertical sidebar.
-'\"
-'\" .DS
-'\" Begin an indented unfilled display.
-'\"
-'\" .DE
-'\" End of indented unfilled display.
-'\"
-'\" .SO
-'\" Start of list of standard options for a Tk widget. The
-'\" options follow on successive lines, in four columns separated
-'\" by tabs.
-'\"
-'\" .SE
-'\" End of list of standard options for a Tk widget.
-'\"
-'\" .OP cmdName dbName dbClass
-'\" Start of description of a specific option. cmdName gives the
-'\" option's name as specified in the class command, dbName gives
-'\" the option's name in the option database, and dbClass gives
-'\" the option's class in the option database.
-'\"
-'\" .UL arg1 arg2
-'\" Print arg1 underlined, then print arg2 normally.
-'\"
-'\" RCS: @(#) $Id: man.macros,v 1.1.1.1 2009/05/09 16:27:42 pcmacdon Exp $
-'\"
-'\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
-.if t .wh -1.3i ^B
-.nr ^l \n(.l
-.ad b
-'\" # Start an argument description
-.de AP
-.ie !"\\$4"" .TP \\$4
-.el \{\
-. ie !"\\$2"" .TP \\n()Cu
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-.\}
-.ta \\n()Au \\n()Bu
-.ie !"\\$3"" \{\
-\&\\$1 \\fI\\$2\\fP (\\$3)
-.\".b
-.\}
-.el \{\
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-\&\\$1 \\fI\\$2\\fP
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-\&\\fI\\$1\\fP
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-..
-'\" # define tabbing values for .AP
-.de AS
-.nr )A 10n
-.if !"\\$1"" .nr )A \\w'\\$1'u+3n
-.nr )B \\n()Au+15n
-.\"
-.if !"\\$2"" .nr )B \\w'\\$2'u+\\n()Au+3n
-.nr )C \\n()Bu+\\w'(in/out)'u+2n
-..
-.AS Tcl_Interp Tcl_CreateInterp in/out
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-.el \}\
-\h'-1.5n'\L'|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\l'|0u-1.5n\(ul'
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-.\}
-.fi
-.br
-.nr ^b 0
-..
-'\" # VS - start vertical sidebar
-'\" # ^Y = starting y location
-'\" # ^v = 1 (for troff; for nroff this doesn't matter)
-.de VS
-.if !"\\$2"" .br
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-.de ^B
-.ev 2
-'ti 0
-'nf
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-.\}
-.if \\n(^v \{\
-.nr ^x \\n(^tu+1v-\\n(^Yu
-\kx\h'-\\nxu'\h'|\\n(^lu+3n'\ky\L'-\\n(^xu'\v'\\n(^xu'\h'|0u'\c
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-'\" # DS - begin display
-.de DS
-.RS
-.nf
-.sp
-..
-'\" # DE - end display
-.de DE
-.fi
-.RE
-.sp
-..
-'\" # SO - start of list of standard options
-.de SO
-.SH "STANDARD OPTIONS"
-.LP
-.nf
-.ta 4c 8c 12c
-.ft B
-..
-'\" # SE - end of list of standard options
-.de SE
-.fi
-.ft R
-.LP
-See the \\fBoptions\\fR manual entry for details on the standard options.
-..
-'\" # OP - start of full description for a single option
-.de OP
-.LP
-.nf
-.ta 4c
-Command-Line Name: \\fB\\$1\\fR
-Database Name: \\fB\\$2\\fR
-Database Class: \\fB\\$3\\fR
-.fi
-.IP
-..
-'\" # CS - begin code excerpt
-.de CS
-.RS
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-..
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-.de CE
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-.RE
-.ft R
-.sp
-..
-.de UL
-\\$1\l'|0\(ul'\\$2
-..
-.TH intro n 2.5 BLT "BLT Built-In Commands"
-.BS
-'\" Note: do not modify the .SH NAME line immediately below!
-.SH NAME
-BLT \- Introduction to the BLT library
-.BE
-.SH DESCRIPTION
-BLT is a library of extensions to the Tk library. It adds new
-commands and variables to the application's interpreter.
-.LP
-.SH COMMANDS
-The following commands are added to the interpreter from the BLT library:
-.TP 15
-\fBtable\fR
-A table geometry manager for Tk. You specify window placements as table
-row,column positions and windows can also span multiple rows or columns.
-It also has many options for setting and/or bounding window sizes.
-.TP 15
-\fBgraph\fR
-A 2D plotting widget. Plots two variable data in a window with an optional
-legend and annotations. It has of several components; coordinate axes,
-crosshairs, a legend, and a collection of elements and tags.
-.TP 15
-\fBbarchart\fR
-A barchart widget. Plots two-variable data as rectangular bars in a
-window. The x-coordinate values designate the position of the bar along
-the x-axis, while the y-coordinate values designate the magnitude.
-The \fBbarchart\fR widget has of several components; coordinate axes,
-crosshairs, a legend, and a collection of elements and tags.
-.TP 15
-\fBvector\fR
-Creates a vector of floating point values. The vector's components
-can be manipulated in three ways: through a Tcl array variable, a Tcl
-command, or the C API.
-.TP
-\fBspline\fR
-Computes a spline fitting a set of data points (x and y vectors) and
-produces a vector of the interpolated images (y-coordinates) at a
-given set of x-coordinates.
-.TP 15
-\fBbgexec\fR
-Like Tcl's \fBexec\fR command, \fBbgexec\fR runs a pipeline of Unix
-commands in the background. Unlike \fBexec\fR, the output of the last
-process is collected and a global Tcl variable is set upon its completion.
-\fBbgexec\fR can be used with \fBtkwait\fR to wait for Unix commands
-to finish while still handling expose events. Intermediate output is
-also available while the pipeline is active.
-.TP 15
-\fBbusy\fR
-Creates a "busy window" which prevents user-interaction when an
-application is busy. The busy window also provides an easy way
-to have temporary busy cursors (such as a watch or hourglass).
-.TP 15
-\fBbitmap\fR
-Reads and writes bitmaps from Tcl. New X bitmaps can be defined
-on-the-fly from Tcl, obviating the need to copy around bitmap files.
-Other options query loaded X bitmap's dimensions and data.
-.TP 15
-\fBdrag&drop\fR
-Provides a drag-and-drop facility for Tk. Information (represented
-by a token window) can be dragged to and from any Tk window, including
-those of another Tk application. \fBdrag&drop\fR acts as a
-coordinator, directing Tk \fBsend\fR commands between (or within) TCL/Tk
-applications.
-.TP 15
-\fBhtext\fR
-A simple hypertext widget. Combines text and Tk widgets into a single
-scroll-able window. Tcl commands can be embedded into text, which are
-invoked as the text is parsed. In addition, Tk widgets can be
-appended to the window at the current point in the text. \fBHtext\fR
-can be also used to create scrolled windows of Tk widgets.
-.TP 15
-\fBwinop\fR
-Raise, lower, map, or, unmap any window. The raise and lower functions
-are useful for stacking windows above or below "busy windows".
-.TP 15
-\fBwatch\fR
-Arranges for Tcl procedures to be called before and/or after the execution
-of every Tcl command. This command
-may be used in the logging, profiling, or tracing of Tcl code.
-.TP 15
-\fBbltdebug\fR
-A simple Tcl command tracing facility useful for debugging Tcl code.
-Displays each Tcl command before and after substitution along its level
-in the interpreter on standard error.
-.SH VARIABLES
-.PP
-The following Tcl variables are either set or used by BLT at various times
-in its execution:
-.TP 15
-\fBblt_library\fR
-This variable contains the name of a directory containing a library
-of Tcl scripts and other files related to BLT. Currently, this
-directory contains the \fBdrag&drop\fR protocol scripts and the
-PostScript prolog
-used by \fBgraph\fR and \fBbarchart\fR.
-The value of this variable is taken from the BLT_LIBRARY environment
-variable, if one exists, or else from a default value compiled into
-the \fBBLT\fR library.
-.TP 15
-\fBblt_versions\fR
-This variable is set in the interpreter for each application. It is an
-array of the current version numbers for each
-of the BLT commands in the form \fImajor\fR.\fIminor\fR. \fIMajor\fR and
-\fIminor\fR are integers. The major version number increases in
-any command that includes changes that are not backward compatible
-(i.e. whenever existing applications and scripts may have to change to
-work with the new release). The minor version number increases with
-each new release of a command, except that it resets to zero whenever the
-major version number changes. The array is indexed by the individual
-command name.
-.SH ADDING BLT TO YOUR APPLICATIONS
-It's easy to add BLT to an existing Tk application. BLT requires no
-patches or edits to the Tcl or Tk libraries. To add BLT, simply add the
-following code snippet to your application's tkAppInit.c file.
-.CS
-if (Blt_Init(interp) != TCL_OK) {
- return TCL_ERROR;
-}
-.CE
-Recompile and link with the BLT library (libBLT.a) and that's it.
-.PP
-Alternately, you can dynamically load BLT, simply by invoking the
-command
-.CS
-package require BLT
-.CE
-from your Tcl script.
-.SH BUGS
-Send bug reports, requests, suggestions, etc. to
-gah@siliconmetrics.com or ghowlett@grandecom.net
-.SH KEYWORDS
-BLT
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