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-rwxr-xr-xMaster/tlpkg/tlperl/bin/widget608
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diff --git a/Master/tlpkg/tlperl/bin/widget b/Master/tlpkg/tlperl/bin/widget
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-#!/usr/local/bin/perl -w
-
-use 5.008;
-use Config;
-use Tk 804.000;
-use lib Tk->findINC( 'demos/widget_lib' );
-use Tk::widgets qw/ DialogBox ErrorDialog LabEntry ROText /;
-use Tk::Config ();
-use WidgetDemo;
-use subs qw/
- build_about_dialog demos invoke lsearch
- see_code see_vars show_stat view_widget
-/;
-use vars qw/ $MW $FONT $BOLD_FONT $LARGE_FONT $MONOSPACE_FONT $WIDTRIB /;
-use vars qw/ $CODE $CODE_RERUN $CODE_TEXT $VARS $VIEW $VIEW_TEXT /;
-use vars qw/ $ALIGN $BRAKES $LIGHTS $OIL $SOBER $TRANS $WIPERS /;
-use vars qw/ $COLOR $FONT_STYLE $POINT_SIZE $DEMO_FILE %DEMO_DESCRIPTION $XFT /;
-use strict;
-
-$XFT = $Tk::Config::xlib =~ /-lXft\b/;
-
-$MW = Tk::MainWindow->new;
-$MW->configure(-menu => my $menubar = $MW->Menu);
-
-{
- package WidgetWrap;
- @WidgetWrap::ISA = qw/Tk::MainWindow/;
-
- # This magic conspires with widget's AUTOLOAD subroutine to make user
- # contributed demonstrations that don't use WidgetDemo embed properly.
- # The trick works because widget creates a superclass of Tk::MainWindow
- # which invokes WidgetDemo() implicitly. You loose if you bypass the
- # inheritance mechanism and call Tk::MainWindow directly.
-
- sub new {
- my ($name) = $::DEMO_FILE =~ m#([^/]+).pl$#;
- $::MW->WidgetDemo(-name => $name, -text => $::DEMO_DESCRIPTION{$name});
- }
-}
-
-@MainWindow::ISA = 'WidgetWrap';
-
-$MW->title('Perl/Tk Widget Demonstration');
-$MW->iconname('widget');
-
-my $DEFAULT_FONT_FAMILY = $XFT ? "sans-serif" : "Helvetica";
-{
- $FONT = "$DEFAULT_FONT_FAMILY 12";
- $BOLD_FONT = "$DEFAULT_FONT_FAMILY 12 bold";
- $LARGE_FONT = "$DEFAULT_FONT_FAMILY 18";
- $MONOSPACE_FONT = "Courier 12";
- my $l = $MW->Label;
- my $default_font = $l->cget(-font);
- if ($default_font) {
- my %default_font = $MW->fontActual($default_font);
- $FONT = $MW->fontCreate(%default_font, -family => $DEFAULT_FONT_FAMILY);
- $BOLD_FONT = $MW->fontCreate(%default_font, -family => $DEFAULT_FONT_FAMILY, -weight => "bold");
- $LARGE_FONT = $MW->fontCreate(%default_font, -family => $DEFAULT_FONT_FAMILY, -weight => "bold", -size => -18);
- $MONOSPACE_FONT = $MW->fontCreate(%default_font, -family => $XFT ? "monospace" : "Courier");
- $MW->optionAdd("*font", $FONT);
- }
- $l->destroy;
-}
-
-my $widget_lib = Tk->findINC('demos/widget_lib');
-my $wd = "$widget_lib/WidgetDemo.pm";
-$WIDTRIB = Tk->findINC('demos/widtrib');
-unless (Tk::tainting) {
- $WIDTRIB = $ENV{WIDTRIB} if defined $ENV{WIDTRIB};
- $WIDTRIB = $ARGV[0] if defined $ARGV[0];
-}
-
-# The code below creates the main window, consisting of a menu bar
-# and a text widget that explains how to use the program, plus lists
-# all of the demos as hypertext items.
-
-my $file = $menubar->cascade(qw/-label File -underline 0 -menuitems/ =>
- [
- [cascade => '~View', -menuitems =>
- [
- [command => '~widget', -command => [\&view_widget, __FILE__]],
- [command => '~WidgetDemo', -command => [\&view_widget, $wd]],
- ], # end cascade menuitems
- ], # end view cascade
- '',
- [command => '~Quit', -command => [\&exit], -accelerator => 'Ctrl-Q'],
- ]);
-
-my $help = $menubar->cascade(qw/-label Help -underline 0 -menuitems/ =>
- [
- [command => '~About'],
- ]);
-
-my $T = $MW->Scrolled('ROText',
- -scrollbars => 'e',
- -wrap => 'word',
- -width => 70,
- -height => 30,
- -font => $FONT,
- -setgrid => 1,
- -highlightthickness => 0,
- -padx => 4,
- -pady => 2,
- -takefocus => 0,
-)->grid(qw/-sticky nsew/);
-$MW->gridRowconfigure( 0, -weight => 1); # allow expansion in both ...
-$MW->gridColumnconfigure(0, -weight => 1); # ... X and Y dimensions
-
-$MW->bind('<Control-q>' => \&exit);
-
-my $STATUS_VAR;
-my $status = $MW->Label(-textvariable => \$STATUS_VAR, qw/-anchor w/);
-$status->grid(qw/-sticky ew/);
-
-# Create a bunch of tags to use in the text widget, such as those for
-# section titles and demo descriptions. Also define the bindings for
-# tags.
-
-$T->tagConfigure(qw/title -font/, $LARGE_FONT);
-$T->tagConfigure(qw/demo -lmargin1 1c -lmargin2 1c -foreground blue/);
-
-if ($MW->depth == 1) {
- $T->tagConfigure(qw/hot -background black -foreground white/);
- $T->tagConfigure(qw/visited -lmargin1 1c -lmargin2 1c -underline 1/);
-} else {
- $T->tagConfigure(qw/hot -relief raised -borderwidth 1 -foreground red/);
- $T->tagConfigure(qw/visited -lmargin1 1c -lmargin2 1c -foreground/ =>
- '#303080');
-}
-$T->tagConfigure('bold', -font => $BOLD_FONT);
-
-$T->tagBind(qw/demo <ButtonRelease-1>/ => \&invoke);
-my $last_line = '';
-$T->tagBind(qw/demo <Enter>/ => [sub {
- my($text, $sv) = @_;
- my $e = $text->XEvent;
- my($x, $y) = ($e->x, $e->y);
- $last_line = $text->index("\@$x,$y linestart");
- $text->tagAdd('hot', $last_line, "$last_line lineend");
- $text->configure(qw/-cursor hand2/);
- show_stat $sv, $text, $text->index('current');
- }, \$STATUS_VAR]
-);
-$T->tagBind(qw/demo <Leave>/ => [sub {
- my($text, $sv) = @_;
- $text->tagRemove(qw/hot 1.0 end/);
- $text->configure(qw/-cursor xterm/);
- $$sv = '';
- }, \$STATUS_VAR]
-);
-$T->tagBind(qw/demo <Motion>/ => [sub {
- my($text, $sv) = @_;
- my $e = $text->XEvent;
- my($x, $y) = ($e->x, $e->y);
- my $new_line = $text->index("\@$x,$y linestart");
- if ($new_line ne $last_line) {
- $text->tagRemove(qw/hot 1.0 end/);
- $last_line = $new_line;
- $text->tagAdd('hot', $last_line, "$last_line lineend");
- }
- show_stat $sv, $text, $text->index('current');
- }, \$STATUS_VAR]
-);
-
-# Create the text for the text widget.
-
-$T->insert('end', "Perl/Tk Widget Demonstrations\n", 'title');
-$T->insert('end',
-"\nThis application provides a front end for several short scripts that demonstrate what you can do with Tk widgets. Each of the numbered lines below describes a demonstration; you can click on it to invoke the demonstration. Once the demonstration window appears, you can click the ", '', 'See Code', 'bold', " button to see the Perl/Tk code that created the demonstration. If you wish, you can edit the code and click the ", '', "Rerun Demo", 'bold', " button in the code window to reinvoke the demonstration with the modified code.\n"
-);
-
-demos 'Getting Started', (
- 'hello' => 'An introduction to Perl/Tk',
-);
-
-demos 'Labels, buttons, checkbuttons, and radiobuttons', (
- 'labels' => 'Labels (text and images)',
- 'unicodeout' => 'Labels and Unicode text',
- 'button' => 'Buttons',
- 'check' => 'Checkbuttons (select any of a group)',
- 'radio' => 'Radiobuttons (select one of a group)',
- 'puzzle' => 'A 15-puzzle game made out of buttons',
- 'icon' => 'Iconic buttons that use bitmaps',
- 'image1' => 'Two labels displaying images',
- 'image2' => 'A simple user interface for viewing images',
- 'labelframe' => 'Labelled frames',
-);
-
-demos 'Listboxes', (
- 'states' => 'The 50 states',
- 'colors' => 'Change widget\'s color scheme',
- 'sayings' => 'A collection of famous and infamous sayings',
-);
-
-demos 'Entries and Spin-boxes', (
- 'entry1' => 'Entries without scrollbars',
- 'entry2' => 'Entries with scrollbars',
- 'entry3' => 'Validated entries and password fields',
- 'spin' => 'Spin-boxes',
- 'form' => 'Simple Rolodex-like form',
-);
-
-demos 'Text', (
- 'texts' => 'Basic editable text',
- 'style' => 'Text display styles',
- 'bind' => 'Hypertext (tag bindings)',
- 'twind' => 'A text widget with embedded windows',
- 'search' => 'A search tool built with a text widget',
-);
-
-demos 'Canvases', (
- 'items' => 'The canvas item types',
- 'plot' => 'A simple 2-D plot',
- 'ctext' => 'Text items in canvases',
- 'arrows' => 'An editor for arrowheads on canvas lines',
- 'ruler' => 'A ruler with adjustable tab stops',
- 'floor' => 'A building floor plan',
- 'cscroll' => 'A simple scrollable canvas',
- 'transtile' => 'Tiles and transparent images',
-);
-
-demos 'Scales', (
- 'hscale' => 'Horizontal scale',
- 'vscale' => 'Vertical scale',
-);
-
-demos 'Paned Windows', (
- 'paned1' => 'Horizontal paned window',
- 'paned2' => 'Vertical paned window',
-);
-
-demos 'Photos and Images', (
- 'photo1' => 'Transparent pixels',
- 'photo2' => 'Alpha channel compositing',
-);
-
-demos 'Menus', (
- 'menus' => 'Menus and cascades (sub-menus)',
- 'menus2' => 'As above, but using Perl/Tk -menuitems',
- 'menbut' => 'Menubuttons',
-);
-
-demos 'Common Dialogs', (
- 'msgBox' => 'Message boxes',
- 'filebox' => 'File selection dialog',
- 'choosedir' => 'Directory selection dialog',
- 'clrpick' => 'Color picker',
-);
-
-demos 'Tix Widgets', (
- 'balloon' => 'Popup help window when mouse lingers over widget',
- 'browseentry' => 'Entry with Listbox to select list values',
- 'browseentry2' => 'Another BrowseEntry example',
- 'dirtree' => 'Display a directory tree',
- 'form_mgr' => 'The form geometry manager',
- 'HList' => 'A hierarchical listbox widget',
- 'HList2' => 'Multicolumn listbox with individual cell styles',
- 'labframe' => 'A Frame with embedded label',
-);
-
-demos 'Simulations', (
- 'bounce' => 'Balls bouncing in a cavity',
-);
-
-demos 'Sample Perl Mega-Widgets', (
- 'mega' => 'Introduction to writing pure Perl mega-widgets',
- 'slide' => 'Composite Tk::SlideSwitch - binary on/off switch',
- 'trace2' => 'Derived Tk::TraceText - Text contents defined by a traced variable',
-);
-
-demos 'Miscellaneous', (
- 'bitmaps' => 'The built-in bitmaps',
- 'dialog1' => 'A dialog box with a local grab',
- 'dialog2' => 'A dialog box with a global grab',
- 'trace1' => 'Trace a variable\'s value',
- 'progress' => 'Various ProgressBar widgets',
- 'keysyms' => 'Show keyboard symbols',
- 'virtevents1' => 'Synthesizing events',
-);
-
-$T->insert('end', "\n", '', "User Contributed Demonstrations\n", 'title');
-opendir(C, $WIDTRIB) or warn "Cannot open $WIDTRIB: $!";
-my(@dirent) = grep /^.+\.pl$/, sort(readdir C);
-closedir C;
-unshift @dirent, 'TEMPLATE.pl'; # I want it first
-my $i = 0;
-while ($_ = shift @dirent) {
- next if /TEMPLATE\.pl/ and $i != 0;
- unless (open(C, "$WIDTRIB/$_")) {
- warn "Cannot open $_: $!" unless /TEMPLATE\.pl/;
- next;
- }
- my($name) = /^(.*)\.pl$/;
- $_ = <C>;
- my($title) = /^#\s*(.*)$/;
- $title =~ s{\r}{}g; # strip DOS newlines
- $DEMO_DESCRIPTION{$name} = $title;
- close C;
- $T->insert('end', ++$i . ". $title\n", ['demo', "demo-$name"]);
-}
-
-build_about_dialog $help;
-$T->focus;
-
-MainLoop;
-
-sub AUTOLOAD {
-
- # This routine handles the loading of most demo methods.
-
- my($demo) = @_;
-
- $T->Busy;
- {
- $DEMO_FILE = "$WIDTRIB/${demo}.pl" if -f "$WIDTRIB/${demo}.pl";
- $DEMO_FILE = "$widget_lib/${demo}.pl" if -f "$widget_lib/${demo}.pl";
- do $DEMO_FILE;
- warn $@ if $@;
- }
- $T->Unbusy;
- goto &$::AUTOLOAD if defined &$::AUTOLOAD;
-
-} # end AUTOLOAD
-
-sub build_about_dialog {
-
- my $help = shift;
-
- my $dialog = $MW->DialogBox(
- -title => "Perl/Tk, based on Tcl/Tk ${Tk::version}.x",
- -default_button => 'OK',
- -buttons => ['OK'],
- );
- my $df = $dialog->add( 'Labelframe', -text => ' 2006 - Oct - 31 ' );
- $df->pack( qw/ -fill both -expand 1 / );
- my( $change ) = $Tk::CHANGE =~ /Change:\s+(.*)/;
- my( $tk_date ) = scalar localtime( ( stat $Tk::library )[9] );
- my( $tk ) = "$Tk::VERSION ($change), $tk_date";
-
- foreach my $item (
- [ 'Perl', "$], $Config{cf_time}" ],
- [ 'Tk', $tk ],
- [ 'Platform', $Tk::platform ],
- [ 'Library', $Tk::library ],
- ) {
- my $l = $item->[0] . ':';
- my $le = $df->LabEntry(
- -font => $FONT,
- -label => ' ' x (13 - length $l) . $l,
- -labelPack => [qw/-side left -anchor w/],
- -labelFont => 'Courier 12 bold',
- -relief => 'flat',
- -takefocus => 0,
- -textvariable => $item->[1],
- -width => 45,
- );
- $le->pack(qw/ -fill x -expand 1/);
- $le->Subwidget( 'entry' )->bindtags( [ ] );
- }
-
- $help->cget(-menu)->entryconfigure('About',
- -command => [$dialog => 'Show'],
- );
-
-} # end build_about_dialog
-
-sub demos {
-
- # Generate one demo section.
-
- my ($title, @demos) = @_;
-
- $T->insert('end', "\n", '', "$title\n", 'title');
-
- for (my $n = 0; $n <= $#demos; $n += 2) {
- $T->insert('end', $n / 2 + 1 . '. ' . $demos[$n + 1] . ".\n",
- ['demo', 'demo-' . $demos[$n]]);
- }
-
-} # end demos
-
-sub invoke {
-
- # This procedure is called when the user clicks on a demo description.
-
- my($text) = @_;
-
- my $index = $text->index('current');
- my @tags = $T->tagNames($index);
- my $i = lsearch('demo\-.*', @tags);
- return if $i < 0;
- my($demo) = $tags[$i] =~ /demo-(.*)/;
- $T->tagAdd('visited', "$index linestart", "$index lineend");
- {
- no strict 'refs';
- $SIG{__WARN__} = sub {
- print @_ unless $_[0] =~ /Subroutine \S+ redefined at/;
- };
- &$demo($demo);
- }
-
-} # end invoke
-
-sub lsearch {
-
- # Search the list using the supplied regular expression and return it's
- # ordinal, or -1 if not found.
-
- my($regexp, @list) = @_;
- my($i);
-
- for ($i=0; $i<=$#list; $i++) {
- return $i if $list[$i] =~ /$regexp/;
- }
- return -1;
-
-} # end lsearch
-
-sub see_code {
-
- # This procedure creates a toplevel window that displays the code for
- # a demonstration and allows it to be edited and reinvoked.
-
- my($demo) = @_;
-
- my $file;
- $file = ( $demo =~ /\.pl$/ ) ? $demo : "${demo}.pl";
- if (not Exists $CODE) {
- $CODE = $MW->Toplevel;
- my $code_buttons = $CODE->Frame;
- $code_buttons->pack(qw/-side bottom -fill x/);
- my $code_buttons_dismiss = $code_buttons->Button(
- -text => 'Dismiss',
- -command => [$CODE => 'withdraw'],
- );
- $CODE_RERUN = $code_buttons->Button(-text => 'Rerun Demo');
- $CODE_TEXT = $CODE->Scrolled('Text', qw/ -height 40 -scrollbars oe -font /, $MONOSPACE_FONT);
- $code_buttons_dismiss->pack(qw/-side left -expand 1/);
- $CODE_RERUN->pack(qw/-side left -expand 1/);
- $CODE_TEXT->pack(qw/-side left -expand 1 -fill both/);
- } else {
- $CODE->deiconify;
- $CODE->raise;
- }
- $CODE_RERUN->configure(-command => sub {
- eval $CODE_TEXT->get(qw/1.0 end/);
- {
- no strict 'refs';
- &$demo($demo);
- }
- });
- $CODE->iconname($file);
- $file = "$WIDTRIB/$file" if -f "$WIDTRIB/$file";
- $file = "$widget_lib/$file" if -f "$widget_lib/$file";
- $CODE->title("Demo code: $file");
- $CODE_TEXT->delete(qw/1.0 end/);
- open(CODE, "<$file") or warn "Cannot open demo file $file: $!";
- {
- local $/ = undef;
- $CODE_TEXT->insert('1.0', <CODE>);
- }
- close CODE;
- $CODE_TEXT->markSet(qw/insert 1.0/);
- $CODE_TEXT->focus;
-
-} # end see_code
-
-sub see_vars {
-
- # Create a top-level window that displays a bunch of global variable values
- # and keeps the display up-to-date even when the variables change value.
- # $args is a pointer to a list of list of 2:
- #
- # ["variable description", \$VAR]
- #
- # The old trick of passing a string to serve as the description and a soft
- # reference to the variable no longer works with lexicals and use strict.
-
- my($parent, $args) = @_;
-
- $VARS->destroy if Exists($VARS);
- $VARS = $parent->Toplevel;
- $VARS->geometry('+300+300');
- $VARS->title('Variable Values');
- $VARS->iconname('Variables');
-
- my $title = $VARS->Label(
- -text => 'Variable Values:',
- -width => 20,
- -anchor => 'center',
- -font => $LARGE_FONT,
- );
- $title->pack(qw/-side top -fill x/);
- my($label, $var);
- foreach my $i (@$args) {
- ($label, $var) = @$i;
- my $wf = $VARS->Frame->pack(qw/-anchor w/);
- $wf->Label(-text => "$label: ")->pack(qw/-side left/);
- $wf->Label(-textvariable => $var)->pack(qw/-side left/);
- }
- $VARS->Button(-text => 'OK', -command => [$VARS => 'destroy'])->
- pack(qw/-side bottom -pady 2/);
-
-} # end see_vars
-
-sub show_stat {
-
- # Display name of current demonstration. $sv is a reference to the
- # status Label -textvariable, $text is the Text widget reference and
- # $index is the demonstration index in the Text widget.
-
- my($sv, $text, $index) = @_;
-
- my @tags = $text->tagNames($index);
- my $i = lsearch('demo\-.*', @tags);
- return if $i < 0;
- my($demo) = $tags[$i] =~ /demo-(.*)/;
- $$sv = "Click Button-1 to run the \"$demo\" demonstration.";
-
-} # end show_stat
-
-sub view_widget {
-
- # Expose a file's innards to the world too, but only for viewing.
-
- my($widget) = @_;
-
- if (not Exists $VIEW) {
- $VIEW = $MW->Toplevel;
- $VIEW->iconname('widget');
- my $view_buttons = $VIEW->Frame;
- $view_buttons->pack(qw/-side bottom -fill x/);
- my $view_buttons_dismiss = $view_buttons->Button(
- -text => 'Dismiss',
- -command => [$VIEW => 'withdraw'],
- );
- $view_buttons_dismiss->pack(qw/-side left -expand 1/);
- $VIEW_TEXT = $VIEW->Scrolled('Text', qw/ -height 40 -scrollbars oe /);
- $VIEW_TEXT->pack(qw/-side left -expand 1 -fill both/);
- } else {
- $VIEW->deiconify;
- $VIEW->raise;
- }
- $VIEW->title("Demo code: $widget");
- $VIEW_TEXT->configure(qw/-state normal/);
- $VIEW_TEXT->delete(qw/1.0 end/);
- open(VIEW, "<$widget") or warn "Cannot open demo file $widget: $!";
- {
- local $/ = undef;
- $VIEW_TEXT->insert('1.0', <VIEW>);
- }
- close VIEW;
- $VIEW_TEXT->markSet(qw/insert 1.0/);
- $VIEW_TEXT->configure(qw/-state disabled/);
-
-} # end view_widget
-
-=head1 NAME
-
-widget - Demonstration of Perl/Tk widgets
-
-=head1 SYNOPSYS
-
- widget [ directory ]
-
-=head1 DESCRIPTION
-
-This script demonstrates the various widgets provided by Tk, along with
-many of the features of the Tk toolkit. This file only contains code to
-generate the main window for the application, which invokes individual
-demonstrations. The code for the actual demonstrations is contained in
-separate ".pl" files in the "widget_lib" directory, which are autoloaded
-by this script as needed.
-
-widget looks in the directory specified on the command line to load user
-contributed demonstrations. If no directory name is specified when widget is
-invoked and the environment variable WIDTRIB is defined then demonstrations
-are loaded from the WIDTRIB directory. If WIDTRIB is undefined then widget
-defaults to the released user contributed directory, "widtrib".
-
-=head2 History
-
- #
- # Stephen O. Lidie, LUCC, 96/03/11. lusol@Lehigh.EDU
- # Stephen O. Lidie, LUCC, 97/01/01. lusol@Lehigh.EDU
- # Stephen O. Lidie, LUCC, 97/02/11. lusol@Lehigh.EDU
- # Stephen O. Lidie, LUCC, 97/06/07. lusol@Lehigh.EDU
- # Update for Tk402.00x. Total revamp: WidgetDemo, Scrolled, released
- # composites, -menuitems, qw//, etcetera. Perl 5.004 required.
- # Stephen O. Lidie, LUCC, 98/03/10. lusol@Lehigh.EDU
- # Update for Tk8.
- # Stephen O. Lidie, LUCC, 98/06/26. Stephen.O.Lidie@Lehigh.EDU
- # Add Common Dialogs for Tk800.007.
- # Stephen.O.Lidie@Lehigh.EDU, 1999/11/29, Lehigh University.
- # Demo some "dash patch" changes.
- # Stephen.O.Lidie@Lehigh.EDU, 2000/01/11, Lehigh University.
- # Update menubar to Tk 8, fix color palette Menubutton demo.
- # Stephen.O.Lidie@Lehigh.EDU, 2000/07/06, Lehigh University.
- # Remove inswt() from widget and styles.pl to show the proper Perl/Tk
- # idiom for inserting Text tags. Various and sundry cleanups.
- # sol0@lehigh.edu, 2003/07/29, Lehigh University Computing Center.
- # Update for Tk 8.4.4.
-
-=head1 AUTHOR
-
-Steve Lidie <sol0@Lehigh.EDU>
-
-=cut