From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/ext/tk/sample/demos-en/widget | 1087 ++++++++++++++++++++++++++++++++ 1 file changed, 1087 insertions(+) create mode 100644 jni/ruby/ext/tk/sample/demos-en/widget (limited to 'jni/ruby/ext/tk/sample/demos-en/widget') diff --git a/jni/ruby/ext/tk/sample/demos-en/widget b/jni/ruby/ext/tk/sample/demos-en/widget new file mode 100644 index 0000000..fb49a74 --- /dev/null +++ b/jni/ruby/ext/tk/sample/demos-en/widget @@ -0,0 +1,1087 @@ +#!/usr/bin/env ruby + +# 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 +# ".rb" files is this directory, which are sourced by this script +# as needed. + +require 'tk' +# require 'tkafter' + +### $DEBUG=1 ########## + +$RubyTk_WidgetDemo = true + +#---------------------------------------------------------------- +# The code below create 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. +#---------------------------------------------------------------- + +# widget demo directory +# $demo_dir = File.dirname($0) +$demo_dir = File.dirname(__FILE__) + +# root +$root = TkRoot.new{title "Ruby/Tk Widget Demonstration"} + +# tk +$tk_version = Tk::TK_VERSION +$tk_major_ver, $tk_minor_ver = $tk_version.split('.').map{|n| n.to_i} +$tk_patchlevel = Tk::TK_PATCHLEVEL + +# tcl_platform +$tk_platform = TkVarAccess.new('tcl_platform') + +# +case($tk_version) +when /^4.*/ + $font = TkFont.new('-*-Helvetica-Medium-R-Normal--*-140-*-*-*-*-*-*', nil) +else + $font = TkFont.new('Helvetica -12') +end + +# images +$image = {} + +if $tk_major_ver >= 8 +$image['refresh'] = TkPhotoImage.new(:height=>16, :format=>'GIF', :data=><= 8 +$image['view'] = TkPhotoImage.new(:height=>16, :format=>'GIF', :data=><= 8 +$image['delete'] = TkPhotoImage.new(:height=>16, :format=>'GIF', :data=><= 8 +$image['print'] = TkPhotoImage.new(:height=>19, :format=>'GIF', :data=><= 8 + $root.add_menubar([[['File', 0], + ['About ... ', proc{aboutBox}, 0, ''], + '---', + ['Quit', proc{exit}, 0, 'Ctrl-Q'] + ]]) +else + TkMenubar.new($root, + [[['File', 0], + ['About ... ', proc{aboutBox}, 0, ''], + '---', + ['Quit', proc{exit}, 0, 'Ctrl-Q'] + ]]).pack('side'=>'top', 'fill'=>'x') +end +$root.bind('F1', proc{aboutBox}) +$root.bind('Control-q', proc{exit}) + +=begin +TkFrame.new($root){|frame| + TkMenubutton.new(frame){|button| + m = TkMenu.new(button) { + add 'command', 'label'=>'Quit', 'command'=>proc{exit}, 'underline'=>0 + } + menu m + text 'File' + underline 0 + }.pack('side'=>'left') +}.pack('side'=>'top', 'fill'=>'x') +=end + +# +if $tk_version =~ /^4\.[01]/ + scr = TkScrollbar.new($root, 'orient'=>'vertical') + txt = TkText.new($root) { + wrap 'word' + width 70 + height 30 + font $font + setgrid 'yes' + yscrollcommand proc{|first,last| scr.set first,last} + } + scr.command(proc{|*args| txt.yview(*args)}) + scr.pack('side'=>'right', 'fill'=>'y') + txt.pack('expand'=>'yes', 'fill'=>'both') +else + textFrame = TkFrame.new($root) + scr = TkScrollbar.new($root, 'orient'=>'vertical', + 'highlightthickness'=>0, 'takefocus'=>1) { + pack('in'=>textFrame, 'side'=>'right', 'fill'=>'y', 'padx'=>1) + } + txt = TkText.new($root) { + wrap 'word' + width 70 + height 30 + font $font + setgrid 'yes' + highlightthickness 0 + padx 4 + pady 2 + takefocus 0 + bd 1 + yscrollcommand proc{|first,last| scr.set first,last} + } + scr.command(proc{|*args| txt.yview(*args)}) +# txt.pack('in'=>textFrame, 'expand'=>'yes', 'fill'=>'both', 'padx'=>1) +# txt.pack('in'=>textFrame, 'expand'=>'yes', 'fill'=>'both') +# textFrame.pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>2) + textFrame.pack('expand'=>'yes', 'fill'=>'both') + # $root.withdraw.deiconify + Tk.update_idletasks + txt.pack('in'=>textFrame, 'expand'=>'yes', 'fill'=>'both') + + statusBar = TkFrame.new($root) {|f| + if $tk_version =~ /^4.*/ + statusfont = '-*-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*' + else + statusfont = 'Helvetica 10' + end + $statusBarLabel = \ + TkLabel.new(f, 'text'=>" ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', + 'font'=>statusfont) \ + .pack('side'=>'left', 'padx'=>2, 'expand'=>'yes', 'fill'=>'both') + TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', + 'font'=>statusfont) \ + .pack('side'=>'left', 'padx'=>2) + }.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2) +end + +# 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. + +if $tk_version =~ /^4.*/ + tag_title = TkTextTag.new(txt, 'font'=>'-*-Helvetica-Bold-R-Normal--*-180-*-*-*-*-*-*') +else + tag_title = TkTextTag.new(txt, 'font'=>'Helvetica 18 bold') +end + +# We put some "space" characters to the left and right of each demo description +# so that the descriptions are highlighted only when the mouse cursor +# is right over them (but not when the cursor is to their left or right) + +tag_demospace = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c') + +if TkWinfo.depth($root) == 1 + tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', + 'underline'=>1) + $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', + 'underline'=>1) + tag_hot = TkTextTag.new(txt, 'background'=>'black', 'foreground'=>'white') +else + tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', + 'foreground'=>'blue', 'underline'=>1) + $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', + 'foreground'=>'#303080', 'underline'=>1) +# tag_hot = TkTextTag.new(txt, 'relief'=>'raised', 'borderwidth'=>1, +# 'background'=>'SeaGreen3') + tag_hot = TkTextTag.new(txt, 'borderwidth'=>1, 'foreground'=>'red') +end + +#tag_demo.bind('Button-1', proc{invoke txt, txt.index('current')}) +tag_demo.bind('ButtonRelease-1', + proc{|x,y|invoke txt, txt.index("@#{x},#{y}")}, '%x %y') + +lastLine = TkVariable.new("") +newLine = TkVariable.new("") +tag_demo.bind('Enter', proc{|x,y| + lastLine.value = txt.index("@#{x},#{y} linestart") + tag_hot.add(lastLine.value, "#{lastLine.value} lineend") + showStatus txt, txt.index("@#{x},#{y}") + }, + '%x %y') +tag_demo.bind('Leave', + proc{ + tag_hot.remove('1.0','end') + txt.configure('cursor','xterm') + $statusBarLabel.configure('text'=>"") + }) +tag_demo.bind('Motion', proc{|x, y| + newLine.value = txt.index("@#{x},#{y} linestart") + if newLine.value != lastLine.value + tag_hot.remove('1.0','end') + lastLine.value = newLine.value + if ( txt.tag_names("@#{x},#{y}").find{|t| + t.kind_of?(String) && t =~ /^demo-/ + } ) + tag_hot.add(lastLine.value, + "#{lastLine.value} lineend -1 chars") + end + end + showStatus txt, txt.index("@#{x},#{y}") + }, + '%x %y') + +# Create the text for the text widget. + +txt.insert('end', "Ruby/Tk Widget Demonstrations\n\n", tag_title) +txt.insert('end', <:both, :expand=>true) + TkLabel.new(base) { + text "Variable values:" + width 20 + anchor 'center' + if $tk_version =~ /^4.*/ + font '-Adobe-helvetica-medium-r-normal--*-180-*-*-*-*-*-*' + else + font 'Helvetica 14' + end + }.pack('side'=>'top', 'fill'=>'x') + len = 1 + args.each{|vnam,vbody| + len = vnam.to_s.length if vnam.to_s.length > len + } + args.each{|vnam,vbody| + TkFrame.new(w){|f| + #TkLabel.new(f, 'text'=>"#{vnam}: ").pack('side'=>'left') + TkLabel.new(f, 'text'=>"#{vnam}: ",'width'=>len+2).pack('side'=>'left') + TkLabel.new(f, 'textvariable'=>vbody, 'anchor'=>'w')\ + .pack('side'=>'left', 'expand'=>'yes', 'fill'=>'x') + }.pack('side'=>'top', 'anchor'=>'w', 'fill'=>'x') + } + TkButton.new(base) { + text "OK" + command proc{w.destroy} + }.pack('side'=>'bottom', 'pady'=>2) + } + $showVarsWin[parent.path] = w +end + +def showVars2(parent, *args) + if $showVarsWin[parent.path] + begin + $showVarsWin[parent.path].destroy + rescue + end + end + $showVarsWin[parent.path] = TkToplevel.new(parent) {|top| + title "Variable values" + + base = TkFrame.new(top).pack(:fill=>:both, :expand=>true) + + TkLabelFrame.new(base, :text=>"Variable values:", + :font=>{:family=>'Helvetica', :size=>14}){|f| + args.each{|vnam,vbody| + TkGrid(TkLabel.new(f, :text=>"#{vnam}: ", :anchor=>'w'), + TkLabel.new(f, :textvariable=>vbody, :anchor=>'w'), + :padx=>2, :pady=>2, :sticky=>'w') + } + + f.grid(:sticky=>'news', :padx=>4) + f.grid_columnconfig(1, :weight=>1) + f.grid_rowconfig(100, :weight=>1) + } + TkButton.new(base, :text=>"OK", :width=>8, :default=>:active, + :command=>proc{top.destroy}){|b| + top.bind('Return', proc{b.invoke}) + top.bind('Escape', proc{b.invoke}) + + b.grid(:sticky=>'e', :padx=>4, :pady=>[6, 4]) + } + base.grid_columnconfig(0, :weight=>1) + base.grid_rowconfig(0, :weight=>1) + } +end + +if $tk_major_ver < 8 + alias showVars showVars1 +elsif $tk_major_ver == 8 && $tk_minor_ver < 4 + alias showVars showVars1 +else # ver >= 8.4 + alias showVars showVars2 +end + +# Pseudo-Toplevel support +module PseudoToplevel_Evaluable + def pseudo_toplevel_eval(body = Proc.new) + Thread.current[:TOPLEVEL] = self + begin + body.call + ensure + Thread.current[:TOPLEVEL] = nil + end + end + + def pseudo_toplevel_evaluable? + @pseudo_toplevel_evaluable + end + def pseudo_toplevel_evaluable=(mode) + @pseudo_toplevel_evaluable = (mode)? true: false + end + + def self.extended(mod) + mod.__send__(:extend_object, mod) + mod.instance_variable_set('@pseudo_toplevel_evaluable', true) + end +end + +class Object + alias __method_missing__ method_missing + private :__method_missing__ + + def method_missing(id, *args) + begin + has_top = (top = Thread.current[:TOPLEVEL]) && + top.respond_to?(:pseudo_toplevel_evaluable?) && + top.pseudo_toplevel_evaluable? && + top.respond_to?(id) + rescue Exception => e + has_top = false + end + + if has_top + top.__send__(id, *args) + else + __method_missing__(id, *args) + end + end +end + +class Proc + def initialize(*args) + super + @__pseudo_toplevel__ = Thread.current[:TOPLEVEL] + end + + alias __call__ call + def call(*args, &b) + if top = @__pseudo_toplevel__ + orig_top = Thread.current[:TOPLEVEL] + Thread.current[:TOPLEVEL] = top + begin + __call__(*args, &b) + ensure + Thread.current[:TOPLEVEL] = orig_top + end + else + __call__(*args, &b) + end + end +end + +def proc(&b) + Proc.new(&b) +end +def lambda(&b) + Proc.new(&b) +end + +def _null_binding + Module.new.instance_eval{extend PseudoToplevel_Evaluable} + # binding + # Module.new.instance_eval{binding} +end +private :_null_binding + +def eval_samplecode(code, file=nil) + #eval(code) + #_null_binding.pseudo_toplevel_eval{ eval(code) } + #Thread.new{ _null_binding.pseudo_toplevel_eval{ eval(code) } } + Thread.new{ + _null_binding.pseudo_toplevel_eval{ + begin + if file + eval(code, binding, "(eval:#{file})") + else + eval(code) + end + rescue Exception=>e + #p e + TkBgError.show(e.class.inspect + ': ' + e.message + "\n" + + "\n---< backtrace of Ruby side >-----\n" + + e.backtrace.join("\n") + + "\n---< backtrace of Tk side >-------") + end + } + } + Tk.update rescue nil +end + +# invoke -- +# This procedure is called when the user clicks on a demo description. +# It is responsible for invoking the demonstration. +# +# Arguments: +# txt - Name of text widget +# index - The index of the character that the user clicked on. +def invoke(txt, idx) + tag = txt.tag_names(idx).find{|t| t.kind_of?(String) && t =~ /^demo-/} + return unless tag + + cursor = txt.cget('cursor') + txt.cursor('watch') + Tk.update rescue nil + # eval(IO.readlines("#{[$demo_dir, tag[5..-1]].join(File::Separator)}.rb").join, _null_binding) + # Tk.update + eval_samplecode(IO.readlines("#{[$demo_dir, tag[5..-1]].join(File::Separator)}.rb").join, tag[5..-1] + '.rb') + txt.cursor(cursor) + + $tag_visited.add("#{idx} linestart +1 chars", "#{idx} lineend +1 chars") +end +=begin +def invoke (txt, idx) + tag = txt.tag_names(idx).find{|t| t.kind_of?(String) && t =~ /^demo-/} + return unless tag + current_cursor = txt.cget('cursor') + txt.cursor('watch') + Tk.update +# eval `cat #{tag[5..-1]}.rb` +# eval `cat #{[$demo_dir, tag[5..-1]].join(File::Separator)}.rb` + eval IO.readlines("#{[$demo_dir, tag[5..-1]].join(File::Separator)}.rb").join + Tk.update +# txt.cursor('xterm') + txt.cursor(current_cursor) + + $tag_visited.add("#{idx} linestart +1 chars", "#{idx} lineend +1 chars") +end +=end +# 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. +# + +def showStatus (txt, index) + tag = txt.tag_names(index).find{|t| t.kind_of?(String) && t =~ /^demo-/} + cursor = txt.cget('cursor') + unless tag + $statusBarLabel.configure('text', " ") + newcursor = 'xterm' + else + demoname = tag[5..-1] + $statusBarLabel.configure('text', + "Run the \"#{demoname}\" sample program") + newcursor = 'hand2' + end + txt.configure('cursor'=>newcursor) if cursor != newcursor +end + +# showCode -- +# This procedure creates a toplevel window that displays the code for +# a demonstration and allows it to be edited and reinvoked. +# +# Arguments: +# demo - The name of the demonstration's window, which can be +# used to derive the name of the file containing its code. + +def showCode1(demo) + file = "#{demo}.rb" + $code_window = nil unless defined? $code_window + if $code_window == nil || TkWinfo.exist?($code_window) == false + $code_window = TkToplevel.new(nil) + f = TkFrame.new($code_window) + + TkButton.new(f) { + text "Dismiss" + command proc{ + $code_window.destroy + $code_window = nil + } + }.pack('side'=>'right', 'expand'=>'false', 'pady'=>2, 'padx'=>25) + TkButton.new(f) { + text "Rerun Demo" + # command proc{eval($code_text.get('1.0','end'), _null_binding)} + command proc{eval_samplecode($code_text.get('1.0','end'), '')} + }.pack('side'=>'right', 'expand'=>'false', 'pady'=>2) + + TkLabel.new(f,'text'=>'line:').pack('side'=>'left') + linenum =TkLabel.new(f,'text'=>'').pack('side'=>'left') + TkLabel.new(f,'text'=>' pos:').pack('side'=>'left') + posnum =TkLabel.new(f,'text'=>'').pack('side'=>'left') + + $set_linenum = proc{|w| + line, pos = w.index('insert').split('.') + linenum.text = line + posnum.text = pos + } + + f.pack('side'=>'bottom', 'expand'=>'true', 'fill'=>'x') + + if $tk_version =~ /^4\.[01]/ + s = TkScrollbar.new($code_window, 'orient'=>'vertical') + $code_text = TkText.new($code_window) { + height 40 + setgrid 'yes' + yscrollcommand proc{|first,last| s.set first,last} + } + s.command(proc{|*args| $code_text.yview(*args)}) + s.pack('side'=>'right', 'fill'=>'y') + $code_text.pack('side'=>'left', 'expand'=>'yes', 'fill'=>'both') + else + TkFrame.new($code_window) {|f| + pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>1) + + hs = TkScrollbar.new($code_window, 'highlightthickness'=>0, + 'orient'=>'horizontal') + vs = TkScrollbar.new($code_window, 'highlightthickness'=>0, + 'orient'=>'vertical') + $code_text = TkText.new($code_window) {|t| + height 40 + wrap 'word' + xscrollcommand proc{|first,last| hs.set first,last} + yscrollcommand proc{|first,last| vs.set first,last} + setgrid 'yes' + highlightthickness 0 + pady 2 + padx 3 + hs.command(proc{|*args| $code_text.xview(*args)}) + vs.command(proc{|*args| $code_text.yview(*args)}) + } + + $code_text.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0, + 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') + vs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1, + 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') +# xs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0, +# 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') + +# JKC 2001-07-26: segfaults under 1.7.1 (2001-06-19) [i686-linux] + TkGrid.rowconfigure(f, 0, 'weight'=>1, 'minsize'=>0) + TkGrid.columnconfigure(f, 0, 'weight'=>1, 'minsize'=>0) + } + end + + btag = TkBindTag.new + + btag.bind('Key', $set_linenum, '%W') + btag.bind('Button', $set_linenum, '%W') + + btags = $code_text.bindtags + btags.insert(btags.index($code_text.class) + 1, btag) + $code_text.bindtags = btags + + else + $code_window.deiconify + $code_window.raise + end + + $code_window.title("Demo code: #{file}") + $code_window.iconname(file) +# fid = open(file, 'r') + fid = open([$demo_dir, file].join(File::Separator), 'r') + $code_text.delete('1.0', 'end') + #$code_text.insert('1.0', `cat #{file}`) + $code_text.insert('1.0', fid.read) + #$code_mark = TkTextMark.new($code_text, '1.0') + #$code_text.set_insert('1.0') + TkTextMarkInsert.new($code_text,'1.0') + + $set_linenum.call($code_text) + + fid.close +end + +def showCode2(demo) + file = "#{demo}.rb" + $code_window = nil unless defined? $code_window + if $code_window == nil || TkWinfo.exist?($code_window) == false + $code_window = TkToplevel.new(nil) + tf = TkFrame.new($code_window) + $code_text = TkText.new(tf, :font=>'Courier 10', :height=>30, + :wrap=>'word', :bd=>1, :setgrid=>true, + :highlightthickness=>0, :pady=>2, :padx=>3) + xscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)} + yscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)} + TkGrid($code_text, yscr, :sticky=>'news') + #TkGrid(xscr) + tf.grid_rowconfigure(0, :weight=>1) + tf.grid_columnconfigure(0, :weight=>1) + + bf = TkFrame.new($code_window) + + lf = TkFrame.new(bf) + TkLabel.new(lf, :text=>'line:').pack(:side=>:left) + linenum =TkLabel.new(lf, :text=>'').pack(:side=>:left) + TkLabel.new(lf, :text=>' pos:').pack(:side=>:left) + posnum =TkLabel.new(lf, :text=>'').pack(:side=>:left) + + $set_linenum = proc{|w| + line, pos = w.index('insert').split('.') + linenum.text = line + posnum.text = pos + } + + b_dis = TkButton.new(bf, :text=>'Dismiss', :default=>:active, + :command=>proc{ + $code_window.destroy + $code_window = nil + }, + :image=>$image['delete'], :compound=>:left) + b_prn = TkButton.new(bf, :text=>'Print Code', + :command=>proc{printCode($code_text, file)}, + :image=>$image['print'], :compound=>:left) + b_run = TkButton.new(bf, :text=>'Rerun Demo', + :command=>proc{ + # eval($code_text.get('1.0','end'), _null_binding) + eval_samplecode($code_text.get('1.0','end'), '') + }, + :image=>$image['refresh'], :compound=>:left) + + TkGrid(lf, 'x', b_run, b_prn, b_dis, :padx=>4, :pady=>[6,4]) + bf.grid_columnconfigure(1, :weight=>1) + + TkGrid(tf, :sticky=>'news') + TkGrid(bf, :sticky=>'ew') + $code_window.grid_columnconfigure(0, :weight=>1) + $code_window.grid_rowconfigure(0, :weight=>1) + + $code_window.bind('Return', proc{|win| + b_dis.invoke unless win.kind_of?(TkText) + }, '%W') + $code_window.bindinfo('Return').each{|cmd, arg| + $code_window.bind_append('Escape', cmd, arg) + } + + btag = TkBindTag.new + + btag.bind('Key', $set_linenum, '%W') + btag.bind('Button', $set_linenum, '%W') + btag.bind('Configure', $set_linenum, '%W') + + btags = $code_text.bindtags + btags.insert(btags.index($code_text.class) + 1, btag) + $code_text.bindtags = btags + + else + $code_window.deiconify + $code_window.raise + end + + $code_window.title("Demo code: #{file}") + $code_window.iconname(file) + fid = open([$demo_dir, file].join(File::Separator), 'r') + $code_text.delete('1.0', 'end') + $code_text.insert('1.0', fid.read) + TkTextMarkInsert.new($code_text,'1.0') + + $set_linenum.call($code_text) + + fid.close +end + +if $tk_major_ver < 8 + alias showCode showCode1 +elsif $tk_major_ver == 8 && $tk_minor_ver < 4 + alias showCode showCode1 +else # ver >= 8.4 + alias showCode showCode2 +end + + +# printCode -- +# Prints the source code currently displayed in the See Code dialog. +# Much thanks to Arjen Markus for this. +# +# Arguments: +# txt - Name of text widget containing code to print +# file - Name of the original file (implicitly for title) + +def printCode(txt, file) + code = txt.get('1.0', 'end - 1c') + dir = '.' + dir = ENV['HOME'] if ENV['HOME'] + dir = ENV['TMP'] if ENV['TMP'] + dir = ENV['TEMP'] if ENV['TEMP'] + + fname = [dir, 'tkdemo-' + file].join(File::Separator) + open(fname, 'w'){|fid| fid.print(code)} + begin + case Tk::TCL_PLATFORM('platform') + when 'unix' + msg = `lp -c #{fname}` + unless $?.exitstatus == 0 + Tk.messageBox(:title=>'Print spooling failure', + :message=>'Print spooling probably failed: ' + msg) + end + when 'windows' + begin + printTextWin32(fname) + rescue => e + Tk.messageBox(:title=>'Print spooling failure', + :message=>'Print spooling probably failed: ' + + e.message) + end + when 'macintosh' + Tk.messageBox(:title=>'Operation not Implemented', + :message=>'Oops, sorry: not implemented yet!') + else + Tk.messageBox(:title=>'Operation not Implemented', + :message=>'Wow! Unknown platform: ' + + Tk::TCL_PLATFORM('platform')) + end + ensure + File.delete(fname) + end +end + +# printTextWin32 -- +# Print a file under Windows +# +# Arguments: +# filename - Name of the file +# +def printTextWin32(fname) + require 'win32/registry' + begin + app = Win32::Registry::HKEY_CLASSES_ROOT['.txt'] + pcmd = nil + Win32::Registry::HKEY_CLASSES_ROOT.open("#{app}\\shell\\print"){|reg| + pcmd = reg['command'] + } + rescue + app = Tk.tk_call('auto_execok', 'notepad.exe') + pcmd = "#{app} /p %1" + end + + pcmd.gsub!('%1', fname) + puts pcmd + cmd = Tk.tk_call('auto_execok', 'start') + ' /min ' + pcmd + + msg = `#{cmd}` + unless $?.exitstatus == 0 + fail RuntimeError, msg + end +end + +# aboutBox +# +# Pops up a message box with an "about" message +# +def aboutBox + Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo', + 'message'=>"Ruby/Tk widget demonstration Ver.1.7.1-en\n\n" + + "based on demos of Tk8.1 -- 8.5 " + + "( Copyright of Tcl/Tk demos:: " + + "(c) 1996-1997 Sun Microsystems, Inc. / " + + "(c) 1997-2000 Ajuba Solutions, Inc. / " + + "(c) 2001-2007 Donal K. Fellows / " + + "(c) 2002-2007 Daniel A. Steffen )\n\n" + + "Your Ruby & Tk Version ::\n" + + "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$tk_patchlevel}#{(Tk::JAPANIZED_TK)? '-jp': ''}\n\n" + + "Ruby/Tk release date :: tcltklib #{TclTkLib::RELEASE_DATE}; tk #{Tk::RELEASE_DATE}") +end + +######################################### +# start demos if given at command line +no_launcher = false +if ARGV[0] == '-n' + ARGV.shift + no_launcher = true if ARGV.size > 0 +else + # show the root widget to make it lower then demo windows + Tk.update rescue nil +end +ARGV.each{|cmd| + if cmd =~ /(.*).rb/ + cmd = $1 + end + #eval(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, + # _null_binding) + eval_samplecode(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, cmd + '.rb') +} +if no_launcher + $root.withdraw # hide root window + Thread.start{ + loop do + count = 0 + $root.winfo_children.each{|w| + count += 1 if w.kind_of?(TkToplevel) + } + $root.destroy if count == 0 + end + } +end + +######################################### +# start eventloop +Tk.mainloop + -- cgit v1.2.3-70-g09d2