#!/bin/sh
# the next line restarts using wish \
exec wish "$0" ${1+"$@"}

# widget --
# 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 ".tcl" files is this directory, which are sourced by this script as
# needed.

package require tk
package require msgcat

destroy {*}[winfo children .]
set tk_demoDirectory [file join [pwd] [file dirname [info script]]]
::msgcat::mcload $tk_demoDirectory
namespace import ::msgcat::mc
wm title . [mc "Widget Demonstration"]
if {[tk windowingsystem] eq "x11"} {
    # This won't work everywhere, but there's no other way in core Tk at the
    # moment to display a coloured icon.
    image create photo TclPowered \
	    -file [file join $tk_library images logo64.gif]
    wm iconwindow . [toplevel ._iconWindow]
    pack [label ._iconWindow.i -image TclPowered]
    wm iconname . [mc "tkWidgetDemo"]
}

if {"defaultFont" ni [font names]} {
    # TIP #145 defines some standard named fonts
    if {"TkDefaultFont" in [font names] && "TkFixedFont" in [font names]} {
        # FIX ME: the following technique of cloning the font to copy it works
        #         fine but means that if the system font is changed by Tk
        #         cannot update the copied font. font alias might be useful
        #         here -- or fix the app to use TkDefaultFont etc.
        font create mainFont   {*}[font configure TkDefaultFont]
        font create fixedFont  {*}[font configure TkFixedFont]
        font create boldFont   {*}[font configure TkDefaultFont] -weight bold
        font create titleFont  {*}[font configure TkDefaultFont] -weight bold
        font create statusFont {*}[font configure TkDefaultFont]
        font create varsFont   {*}[font configure TkDefaultFont]
	if {[tk windowingsystem] eq "aqua"} {
	    font configure titleFont -size 17
	}
    } else {
        font create mainFont   -family Helvetica -size 12
        font create fixedFont  -family Courier   -size 10
        font create boldFont   -family Helvetica -size 12 -weight bold
        font create titleFont  -family Helvetica -size 18 -weight bold
        font create statusFont -family Helvetica -size 10
        font create varsFont   -family Helvetica -size 14
    }
}

set widgetDemo 1
set font mainFont

# The SVG images used below are based on some icons provided by the
# official open source SVG icon library for the Bootstrap project,
# licensed under the MIT license (https://opensource.org/licenses/MIT).
#
# See https://github.com/twbs/icons.

set viewData {
    <?xml version="1.0" encoding="UTF-8"?>
    <svg width="16" height="16" version="1.1" xmlns="http://www.w3.org/2000/svg">
     <path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z" fill="#000000"/>
    </svg>
}

set refreshData {
    <?xml version="1.0" encoding="UTF-8"?>
    <svg width="16" height="16" version="1.1" xmlns="http://www.w3.org/2000/svg">
     <path d="M11 5.466V4H5a4 4 0 0 0-3.584 5.777.5.5 0 1 1-.896.446A5 5 0 0 1 5 3h6V1.534a.25.25 0 0 1 .41-.192l2.36 1.966c.12.1.12.284 0 .384l-2.36 1.966a.25.25 0 0 1-.41-.192Zm3.81.086a.5.5 0 0 1 .67.225A5 5 0 0 1 11 13H5v1.466a.25.25 0 0 1-.41.192l-2.36-1.966a.25.25 0 0 1 0-.384l2.36-1.966a.25.25 0 0 1 .41.192V12h6a4 4 0 0 0 3.585-5.777.5.5 0 0 1 .225-.67Z" fill="#000000"/>
    </svg>
}

set printData {
    <?xml version="1.0" encoding="UTF-8"?>
    <svg width="16" height="16" version="1.1" xmlns="http://www.w3.org/2000/svg">
     <path d="M2.5 8a.5.5 0 1 0 0-1 .5.5 0 0 0 0 1z" fill="#000000"/>
     <path d="M5 1a2 2 0 0 0-2 2v2H2a2 2 0 0 0-2 2v3a2 2 0 0 0 2 2h1v1a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2v-1h1a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2h-1V3a2 2 0 0 0-2-2H5zM4 3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1v2H4V3zm1 5a2 2 0 0 0-2 2v1H2a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h12a1 1 0 0 1 1 1v3a1 1 0 0 1-1 1h-1v-1a2 2 0 0 0-2-2H5zm7 2v3a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1v-3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1z" fill="#000000"/>
    </svg>
}

proc images {arg} {
    set fgColor [ttk::style lookup . -foreground {} black]
    lassign [winfo rgb . $fgColor] r g b
    set fgColor [format "#%02x%02x%02x" \
	    [expr {$r >> 8}] [expr {$g >> 8}] [expr {$b >> 8}]]

    foreach action {view refresh print} {
	upvar ${action}Data imgData
	for {set data $imgData; set startIdx 0} \
		{[set idx1 [string first "#000000" $data $startIdx]] >= 0} \
		{set startIdx [expr {$idx1 + 7}]} {
	    set idx2 [expr {$idx1 + 6}]
	    set data [string replace $data $idx1 $idx2 $fgColor]
	}

	switch $arg {
	    create {
		image create photo ::img::$action -format $::tk::svgFmt \
			-data $data
	    }
	    configure { ::img::$action configure -data $data }
	}
    }
}

images create
set mainClass [winfo class .]
foreach event {<<ThemeChanged>> <<LightAqua>> <<DarkAqua>>} {
    bind $mainClass $event { images configure }
}
unset mainClass event

image create photo ::img::delete -format $::tk::svgFmt -data {
    <?xml version="1.0" encoding="UTF-8"?>
    <svg width="16" height="16" version="1.1" xmlns="http://www.w3.org/2000/svg">
     <path d="M2.146 2.854a.5.5 0 1 1 .708-.708L8 7.293l5.146-5.147a.5.5 0 0 1 .708.708L8.707 8l5.147 5.146a.5.5 0 0 1-.708.708L8 8.707l-5.146 5.147a.5.5 0 0 1-.708-.708L7.293 8 2.146 2.854Z" fill="#d00000"/>
    </svg>
}

#----------------------------------------------------------------
# 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.
#----------------------------------------------------------------

menu .menuBar -tearoff 0

# On Aqua, just use the default menu.
if {[tk windowingsystem] ne "aqua"} {
    # This is a tk-internal procedure to make i18n easier
    ::tk::AmpMenuArgs .menuBar add cascade -label [mc "&File"] \
	    -menu .menuBar.file
    menu .menuBar.file -tearoff 0
    ::tk::AmpMenuArgs .menuBar.file add command -label [mc "&About..."] \
	    -command {tkAboutDialog} -accelerator [mc "<F1>"]
    bind . <F1> {tkAboutDialog}
    .menuBar.file add sep
    if {[string match win* [tk windowingsystem]]} {
	# Windows doesn't usually have a Meta key
	::tk::AmpMenuArgs .menuBar.file add command -label [mc "&Quit"] \
		-command {exit} -accelerator [mc "Ctrl+Q"]
	bind . <[mc "Control-q"]> {exit}
    } else {
	::tk::AmpMenuArgs .menuBar.file add command -label [mc "&Quit"] \
		-command {exit} -accelerator [mc "Meta-Q"]
	bind . <[mc "Meta-q"]> {exit}
    }
    . configure -menu .menuBar
}

ttk::frame .statusBar
ttk::label .statusBar.lab -text "   " -anchor w
if {[tk windowingsystem] eq "aqua"} {
    ttk::separator .statusBar.sep
    pack .statusBar.sep -side top -expand yes -fill x -pady 0
}
pack .statusBar.lab -side left -padx 1.5p -expand yes -fill both
if {[tk windowingsystem] ne "aqua"} {
    ttk::sizegrip .statusBar.foo
    pack .statusBar.foo -side left -padx 1.5p
}
pack .statusBar -side bottom -fill x -pady 1.5p

set textheight 30
catch {
    set textheight [expr {
	([winfo screenheight .] * 0.7) /
	[font metrics mainFont -displayof . -linespace]
    }]
}

ttk::frame .textFrame
ttk::scrollbar .s -orient vertical -command {.t yview} -takefocus 1
pack .s -in .textFrame -side right -fill y
text .t -yscrollcommand {.s set} -wrap word -width 70 -height $textheight \
	-font mainFont -setgrid 1 -highlightthickness 0 \
	-padx 3p -pady 1.5p -takefocus 0
pack .t -in .textFrame -expand y -fill both -padx 1
pack .textFrame -expand yes -fill both
if {[tk windowingsystem] eq "aqua"} {
    pack configure .statusBar.lab -padx {10 18} -pady {4 6}
    pack configure .statusBar -pady 0
    .t configure -padx 10 -pady 0
}

# 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 tag configure title -font titleFont
.t tag configure subtitle -font titleFont
.t tag configure bold  -font boldFont
if {[tk windowingsystem] eq "aqua"} {
    .t tag configure title -spacing1 8
    .t tag configure subtitle -spacing3 3
}

# We put some "space" characters to the left and right of each demo
# description so that the descriptions are highlighted only when the mouse
# cursor is right over them (but not when the cursor is to their left or
# right).
#
.t tag configure demospace -lmargin1 1c -lmargin2 1c

if {[winfo depth .] == 1} {
    .t tag configure demo -lmargin1 1c -lmargin2 1c \
	-underline 1
    .t tag configure visited -lmargin1 1c -lmargin2 1c \
	-underline 1
    .t tag configure hot -background black -foreground white
} else {
    .t tag configure demo -lmargin1 1c -lmargin2 1c \
	-foreground blue -underline 1
    .t tag configure visited -lmargin1 1c -lmargin2 1c \
	-foreground #303080 -underline 1
    if {[tk windowingsystem] eq "aqua"} {
	.t tag configure demo -foreground systemLinkColor
	.t tag configure visited -foreground purple
    }
    .t tag configure hot -foreground red -underline 1
}

# The tag "new" must be the one having the highest priority.
#
.t tag configure new -foreground #c00000 -underline 0 -font boldFont

.t tag bind demo <ButtonRelease-1> {
    invoke [.t index {@%x,%y}]
}
set lastLine ""
.t tag bind demo <Enter> {
    set lastLine [.t index {@%x,%y linestart}]
    .t tag add hot "$lastLine +1 chars" "$lastLine lineend -1 chars"
    .t config -cursor [::ttk::cursor link]
    showStatus [.t index {@%x,%y}]
}
.t tag bind demo <Leave> {
    .t tag remove hot 1.0 end
    .t config -cursor [::ttk::cursor text]
    .statusBar.lab config -text ""
}
.t tag bind demo <Motion> {
    set newLine [.t index {@%x,%y linestart}]
    if {$newLine ne $lastLine} {
	.t tag remove hot 1.0 end
	set lastLine $newLine

	set tags [.t tag names {@%x,%y}]
	set i [lsearch -glob $tags demo-*]
	if {$i >= 0} {
	    .t tag add hot "$lastLine +1 chars" "$lastLine lineend -1 chars"
	}
    }
    showStatus [.t index {@%x,%y}]
}

##############################################################################
# Create the text for the text widget.

# addFormattedText --
#
#	Add formatted text (but not hypertext) to the text widget after first
#	passing it through the message catalog to allow for localization.
#	Lines starting with @@ are formatting directives (insert title, insert
#	demo hyperlink, begin newline, or change style) and all other lines
#	are literal strings to be inserted. Substitutions are performed,
#	allowing processing pieces through the message catalog. Blank lines
#	are ignored.
#
proc addFormattedText {formattedText} {
    set style normal
    set isNL 1
    set demoCount 0
    set new 0
    foreach line [split $formattedText \n] {
	set line [string trim $line]
	if {$line eq ""} {
	    continue
	}
	if {[string match @@* $line]} {
	    set data [string range $line 2 end]
	    set key [lindex $data 0]
	    set values [lrange $data 1 end]
	    switch -exact -- $key {
		title {
		    .t insert end [mc $values]\n title \n normal
		}
		newline {
		    .t insert end \n $style
		    set isNL 1
		}
		subtitle {
		    .t insert end "\n" {} [mc $values] subtitle \
			    " \n " demospace
		    set demoCount 0
		}
		demo {
		    set description [lassign $values name]
		    .t insert end "[incr demoCount]. [mc $description]" \
			    [list demo demo-$name]
		    if {$new} {
			.t insert end " [mc NEW]" new
			set new 0
		    }
		    .t insert end " \n " demospace
		}
		new {
		    set new 1
		}
		default {
		    set style $key
		}
	    }
	    continue
	}
	if {!$isNL} {
	    .t insert end " " $style
	}
	set isNL 0
	.t insert end [mc $line] $style
    }
}

addFormattedText {
    @@title	Tk Widget Demonstrations

    This 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
    @@bold
    See Code
    @@normal
    button to see the Tcl/Tk code that created the demonstration.  If
    you wish, you can edit the code and click the
    @@bold
    Rerun Demo
    @@normal
    button in the code window to reinvoke the demonstration with the
    modified code.
    @@newline

    @@subtitle	Labels, buttons, checkbuttons, and radiobuttons
    @@demo label	Labels (text and bitmaps)
    @@demo unicodeout	Labels and UNICODE text
    @@demo button	Buttons
    @@demo check	Check-buttons (select any of a group)
    @@demo radio	Radio-buttons (select one of a group)
    @@demo puzzle	A 15-puzzle game made out of buttons
    @@demo icon		Iconic buttons that use bitmaps
    @@demo image1	Two labels displaying images
    @@demo image2	A simple user interface for viewing images
    @@demo labelframe	Labelled frames
    @@demo ttkbut	The simple Themed Tk widgets
}

if {[tk windowingsystem] eq "aqua"} {
    addFormattedText {
	@@subtitle Mac-Specific Widgets and Window Styles
	@@new
	@@demo mac_styles	Special widgets for macOS
	@@new
	@@demo mac_wm	Window styles for macOS
	@@new
	@@demo mac_tabs	Tabbed Windows on macOS
    }
}

addFormattedText {
    @@subtitle	Listboxes and Trees
    @@demo states	The 50 states
    @@demo colors	Colors: change the color scheme for the application
    @@demo sayings	A collection of famous and infamous sayings
    @@demo mclist	A multi-column list of countries
    @@demo tree		A directory browser tree

    @@subtitle	Entries, Spin-boxes and Combo-boxes
    @@demo entry1	Entries without scrollbars
    @@demo entry2	Entries with scrollbars
    @@demo entry3	Validated entries and password fields
    @@demo spin		Spin-boxes
    @@demo combo	Combo-boxes
    @@demo form		Simple Rolodex-like form

    @@subtitle	Text
    @@demo text		Basic editable text
    @@demo style	Text display styles
    @@demo bind		Hypertext (tag bindings)
    @@demo twind	A text widget with embedded windows and other features
    @@demo search	A search tool built with a text widget
    @@demo textpeer	Peering text widgets

    @@subtitle	Canvases
    @@demo items	The canvas item types
    @@demo plot		A simple 2-D plot
    @@demo ctext	Text items in canvases
    @@demo arrow	An editor for arrowheads on canvas lines
    @@demo ruler	A ruler with adjustable tab stops
    @@demo floor	A building floor plan
    @@demo cscroll	A simple scrollable canvas
    @@demo knightstour  A Knight's tour of the chess board

    @@subtitle	Scales and Progress Bars
    @@demo hscale	Horizontal scale
    @@demo vscale	Vertical scale
    @@demo ttkscale	Themed scale linked to a label with traces
    @@demo ttkprogress	Progress bar

    @@subtitle	Paned Windows and Notebooks
    @@demo paned1	Horizontal paned window
    @@demo paned2	Vertical paned window
    @@demo ttkpane	Themed nested panes
    @@demo ttknote	Notebook widget

    @@subtitle	Menus and Toolbars
    @@demo menu		Menus and cascades (sub-menus)
    @@demo menubu	Menu-buttons
    @@demo ttkmenu	Themed menu buttons
    @@demo toolbar	Themed toolbar

    @@subtitle	Common Dialogs
    @@demo msgbox	Message boxes
    @@demo filebox	File selection dialog
    @@demo clrpick	Color picker
    @@demo fontchoose	Font selection dialog
    @@new
    @@demo systray      System tray icon and notification
    @@new
    @@demo print        Printing from canvas and text widgets

    @@subtitle	Animation
    @@demo anilabel	Animated labels
    @@demo aniwave	Animated wave
    @@demo pendulum	Pendulum simulation
    @@demo goldberg	A celebration of Rube Goldberg

    @@subtitle	Miscellaneous
    @@demo bitmap	The built-in bitmaps
    @@demo dialog1	A dialog box with a local grab
    @@demo dialog2	A dialog box with a global grab
    @@new
    @@demo windowicons  Window icons and badges
}

##############################################################################

.t configure -state disabled
focus .s

# addSeeDismiss --
# Add "See Code" and "Dismiss" button frame, with optional "See Vars"
#
# Arguments:
# w -		The name of the frame to use.

proc addSeeDismiss {w show {vars {}} {extra {}}} {
    ## See Code / Dismiss buttons
    ttk::frame $w
    #ttk::frame $w.sep -height 2 -relief sunken
    ttk::separator $w.sep
    grid $w.sep -columnspan 4 -row 0 -sticky ew -pady 1.5p
    ttk::button $w.dismiss -text [mc "Dismiss"] \
	-image ::img::delete -compound left \
	-command [list destroy [winfo toplevel $w]]
    ttk::button $w.code -text [mc "See Code"] \
	-image ::img::view -compound left \
	-command [list showCode $show]
    set buttons [list x $w.code $w.dismiss]
    if {[llength $vars]} {
	ttk::button $w.vars -text [mc "See Variables"] \
	    -image ::img::view -compound left \
	    -command [concat [list showVars $w.dialog] $vars]
	set buttons [linsert $buttons 1 $w.vars]
    }
    if {$extra ne ""} {
	set buttons [linsert $buttons 1 [uplevel 1 $extra]]
    }
    grid {*}$buttons -padx 3p -pady 3p
    grid columnconfigure $w 0 -weight 1
    if {[tk windowingsystem] eq "aqua"} {
	foreach b [lrange $buttons 1 end] {$b configure -takefocus 0}
	grid configure $w.sep -pady 0
	grid configure {*}$buttons -pady {10 12}
	grid configure [lindex $buttons 1] -padx {16 4}
	grid configure [lindex $buttons end] -padx {4 18}
    }
    return $w
}

# positionWindow --
# This procedure is invoked by most of the demos to position a new demo
# window.
#
# Arguments:
# w -		The name of the window to position.

proc positionWindow w {
    wm geometry $w +300+300
}

# showVars --
# Displays the values of one or more variables in a window, and updates the
# display whenever any of the variables changes.
#
# Arguments:
# w -		Name of new window to create for display.
# args -	Any number of names of variables.

proc showVars {w args} {
    catch {destroy $w}
    toplevel $w
    if {[tk windowingsystem] eq "x11"} {wm attributes $w -type dialog}
    wm title $w [mc "Variable values"]

    set b [ttk::frame $w.frame]
    grid $b -sticky news
    set f [ttk::labelframe $b.title -text [mc "Variable values:"]]
    foreach var $args {
	ttk::label $f.n$var -text "$var:" -anchor w
	ttk::label $f.v$var -textvariable $var -anchor w
	grid $f.n$var $f.v$var -padx 1.5p -pady 1.5p -sticky w
    }
    ttk::button $b.ok -text [mc "OK"] \
	-command [list destroy $w] -default active
    bind $w <Return> [list $b.ok invoke]
    bind $w <Escape> [list $b.ok invoke]

    grid $f -sticky news -padx 3p
    grid $b.ok -sticky e -padx 3p -pady {4.5p 3p}
    if {[tk windowingsystem] eq "aqua"} {
	$b.ok configure -takefocus 0
	grid configure $b.ok -pady {10 12} -padx {16 18}
	grid configure $f -padx 10 -pady {10 0}
    }
    grid columnconfig $f 1 -weight 1
    grid rowconfigure $f 100 -weight 1
    grid columnconfig $b 0 -weight 1
    grid rowconfigure $b 0 -weight 1
    grid columnconfig $w 0 -weight 1
    grid rowconfigure $w 0 -weight 1
}

# invoke --
# This procedure is called when the user clicks on a demo description. It is
# responsible for invoking the demonstration.
#
# Arguments:
# index -	The index of the character that the user clicked on.

proc invoke index {
    global tk_demoDirectory
    set tags [.t tag names $index]
    set i [lsearch -glob $tags demo-*]
    if {$i < 0} {
	return
    }
    set cursor [.t cget -cursor]
    .t configure -cursor [::ttk::cursor busy]
    update
    set demo [string range [lindex $tags $i] 5 end]
    uplevel 1 [list source -encoding utf-8 [file join $tk_demoDirectory $demo.tcl]]
    update
    .t configure -cursor $cursor

    .t tag add visited "$index linestart +1 chars" "$index lineend -1 chars"
}

# showStatus --
#
#	Show the name of the demo program in the status bar. This procedure is
#	called when the user moves the cursor over a demo description.
#
proc showStatus index {
    set tags [.t tag names $index]
    set i [lsearch -glob $tags demo-*]
    set cursor [.t cget -cursor]
    if {$i < 0} {
	.statusBar.lab config -text " "
	set newcursor [::ttk::cursor text]
    } else {
	set demo [string range [lindex $tags $i] 5 end]
	.statusBar.lab config -text [mc "Run the \"%s\" sample program" $demo]
	set newcursor [::ttk::cursor link]
    }
    if {$cursor ne $newcursor} {
	.t config -cursor $newcursor
    }
}

# evalShowCode --
#
# Arguments:
# w -		Name of text widget containing code to eval

proc evalShowCode {w} {
    set code [$w get 1.0 end-1c]
    uplevel #0 $code
}

# showCode --
# This procedure creates a toplevel window that displays the code for a
# demonstration and allows it to be edited and reinvoked.
#
# Arguments:
# w -		The name of the demonstration's window, which can be used to
#		derive the name of the file containing its code.

proc showCode w {
    global tk_demoDirectory
    set file [string range $w 1 end].tcl
    set top .code
    if {![winfo exists $top]} {
	toplevel $top
	if {[tk windowingsystem] eq "x11"} {wm attributes $top -type dialog}

	set t [frame $top.f]
	set text [text $t.text -font fixedFont -height 24 -wrap word \
		      -xscrollcommand [list $t.xscroll set] \
		      -yscrollcommand [list $t.yscroll set] \
		      -setgrid 1 -highlightthickness 0 -padx 3p -pady 1.5p \
		      -tabstyle wordprocessor]
	ttk::scrollbar $t.xscroll -command [list $t.text xview] \
	    -orient horizontal
	ttk::scrollbar $t.yscroll -command [list $t.text yview] \
	    -orient vertical

	grid $t.text $t.yscroll -sticky news
	#grid $t.xscroll
	grid rowconfigure $t 0 -weight 1
	grid columnconfig $t 0 -weight 1

	set btns [ttk::frame $top.btns]
	ttk::separator $btns.sep
	grid $btns.sep -columnspan 4 -row 0 -sticky ew -pady 1.5p
	ttk::button $btns.dismiss -text [mc "Dismiss"] \
	    -default active -command [list destroy $top] \
	    -image ::img::delete -compound left
	ttk::button $btns.print   -text [mc "Print Code"] \
	    -command [list printCode $text $file] \
	    -image ::img::print -compound left
	ttk::button $btns.rerun   -text [mc "Rerun Demo"] \
	    -command [list evalShowCode $text] \
	    -image ::img::refresh -compound left
	set buttons [list x $btns.rerun $btns.print $btns.dismiss]
	grid {*}$buttons -padx 3p -pady 3p
	grid columnconfigure $btns 0 -weight 1
	if {[tk windowingsystem] eq "aqua"} {
	    foreach b [lrange $buttons 1 end] {$b configure -takefocus 0}
	    grid configure $btns.sep -pady 0
	    grid configure {*}$buttons -pady {10 12}
	    grid configure [lindex $buttons 1] -padx {16 4}
	    grid configure [lindex $buttons end] -padx {4 18}
	}
	grid $t    -sticky news
	grid $btns -sticky ew
	grid rowconfigure $top 0 -weight 1
	grid columnconfig $top 0 -weight 1

	bind $top <Return> {
	    if {[winfo class %W] ne "Text"} { .code.btns.dismiss invoke }
	}
	bind $top <Escape> [bind $top <Return>]
    } else {
	wm deiconify $top
	raise $top
    }
    wm title $top [mc "Demo code: %s" [file join $tk_demoDirectory $file]]
    wm iconname $top $file
    set id [open [file join $tk_demoDirectory $file]]
    fconfigure $id -encoding utf-8 -eofchar "\032 {}"
    $top.f.text delete 1.0 end
    $top.f.text insert 1.0 [read $id]
    $top.f.text mark set insert 1.0
    close $id
}

# printCode --
# Prints the source code currently displayed in the See Code dialog. Much
# thanks to Arjen Markus for this.
#
# Arguments:
# w -		Name of text widget containing code to print
# file -		Name of the original file (implicitly for title)

proc printCode {w file} {
    tk print $w
}

# tkAboutDialog --
#
#	Pops up a message box with an "about" message
#
proc tkAboutDialog {} {
    tk_messageBox -icon info -type ok -title [mc "About Widget Demo"] \
	    -message [mc "Tk widget demonstration application"] -detail \
"[mc "Copyright © %s" {1996-1997 Sun Microsystems, Inc.}]
[mc "Copyright © %s" {1997-2000 Ajuba Solutions, Inc.}]
[mc "Copyright © %s" {2001-2009 Donal K. Fellows}]
[mc "Copyright © %s" {2002-2007 Daniel A. Steffen}]
[mc "Copyright © %s" {2021 Kevin Walzer}]"
}

# Local Variables:
# mode: tcl
# End: