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Diffstat (limited to 'ruby_1_8_6/ext/tk/sample/demos-en/widget')
| -rw-r--r-- | ruby_1_8_6/ext/tk/sample/demos-en/widget | 944 |
1 files changed, 944 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/demos-en/widget b/ruby_1_8_6/ext/tk/sample/demos-en/widget new file mode 100644 index 0000000000..3c50582211 --- /dev/null +++ b/ruby_1_8_6/ext/tk/sample/demos-en/widget @@ -0,0 +1,944 @@ +#!/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' + +### $DEBUG=1 ########## + +#---------------------------------------------------------------- +# The code below create the main window, consisting of a menu bar +# and a text widget that explains how to use the program, plus lists +# all of the demos as hypertext items. +#---------------------------------------------------------------- + +# widget demo directory +$demo_dir = File.dirname($0) + +# root +$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=><<EOD) + R0lGODlhEAAQAPMAAMz/zCpnKdb/1z9mPypbKBtLGy9NMPL/9Or+6+P+4j1Y + PwQKBP7//xMLFAYBCAEBASH5BAEAAAAALAAAAAAQABAAAwR0EAD3Gn0Vyw0e + ++CncU7IIAezMA/nhUqSLJizvSdCEEjy2ZIV46AwDAoDHwPYGSoEiUJAAGJ6 + EDHBNCFINW5OqABKSFk/B9lUa94IDwIFgewFMwQDQwCZQCztTgM9Sl8SOEMG + KSAthiaOjBMPDhQONBiXABEAOw== +EOD +end + +if $tk_major_ver >= 8 +$image['view'] = TkPhotoImage.new(:height=>16, :format=>'GIF', :data=><<EOD) + R0lGODlhEAAQAPMAAMz/zP///8DAwICAgH9/fwAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAwRIcMhJB7h3hM33 + KFjWdQQYap1QrCaGBmrRrS4nj5b53jOgbwXBKGACoYLDIuAoHCmZyYvR1rT5 + RMAq8LqcIYGsrjPsW1XOmFUEADs= +EOD +end + +if $tk_major_ver >= 8 +$image['delete'] = TkPhotoImage.new(:height=>16, :format=>'GIF', :data=><<EOD) + R0lGODlhEAAOAKEAAIQAAO/n3v///////yH5BAEKAAIALAAAAAAQAA4AAAIm + lI9pAKHbIHNoVhYhTdjlJ2AWKG2g+CldmB6rxo2uybYhbS80eRQAOw== +EOD +end + +if $tk_major_ver >= 8 +$image['print'] = TkPhotoImage.new(:height=>19, :format=>'GIF', :data=><<EOD) + R0lGODlhGgATAPcAACEQOTEpQjEpUkIpc0IxY0I5c0oxjEo5SlJCY1JCe1JK + UlpChFpCjFpGkFpSc1paa2NKc2NKnGNja2tapWtjc29KnHNanHNjc3NjrXNr + jHNrnHNzc3tjpXtrtXtzhICAgIRzvYSEjIZzqox7tYyEnIyMjJSEtZSEvZSM + lJyMtZyMvZyUlJyUrZyUvZycnKWctaWlpa2czq2lzrWtvbWtzrW1tb21xr21 + 1sa9zs693s7OztbO3tbO597W1t7W7+fe7+fn5////+/n7+/v7+/v9////wAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + AAAAAAAAAAAAAAAAAAAAACH5BAEAAEEALAAAAAAaABMAQAj/AIMIHBhkg0GC + CBMGIQEiQgseQT4oeCBBAokgRYYQ0JBixg8hRIiUUEBBYYmTByBwiCBCRYwH + CxY8cKFw4AogRXLqLAJkQ80gCBBg3BkxZswTNGh4MGqgQQUMJRHCwMkTSE+D + Pn8eCKBhxIMhO3ei2OHDBw6sWSlMMMoWgwwfMDZI8GBjx44NARZwEGGi5MkS + PcIWKRGz5YgLbAco+KkQBQoJIRgjdGEVq+SaJajqtNrzMgsPCmoIzqmDgmWE + KOBuUKAAwYabYTfs4OHjY0giGyhk4MAWRI4eKyRQqPgggYUXPH4A+XBAgwoK + DiIsCFxjA9sFEVQQCRJCAYAFDJxiKhAxvMTonEFimrhhYinTBgWiCvxLNX3M + DkkpsKV5OYhjBxCMYAICAigUEAA7 +EOD +end + +# +TkMenubar.new($root, + [[['File', 0], + ['About ... ', proc{aboutBox}, 0, '<F1>'], + '---', + ['Quit', proc{exit}, 0, 'Meta-Q'] + ]]).pack('side'=>'top', 'fill'=>'x') +$root.bind('F1', proc{aboutBox}) +$root.bind('Meta-q', proc{exit}) + +=begin +TkFrame.new($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 $font + setgrid 'yes' + highlightthickness 0 + padx 4 + pady 2 + takefocus 0 + bd 1 + yscrollcommand proc{|first,last| scr.set first,last} + } + scr.command(proc{|*args| txt.yview(*args)}) +# txt.pack('in'=>textFrame, 'expand'=>'yes', 'fill'=>'both', 'padx'=>1) + txt.pack('in'=>textFrame, 'expand'=>'yes', 'fill'=>'both') +# textFrame.pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>2) + textFrame.pack('expand'=>'yes', 'fill'=>'both') + + statusBar = TkFrame.new($root) {|f| + $statusBarLabel = \ + TkLabel.new(f, 'text'=>" ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', + 'font'=>'-*-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*') \ + .pack('side'=>'left', 'padx'=>2, 'expand'=>'yes', 'fill'=>'both') + TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', + 'font'=>'-*-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*') \ + .pack('side'=>'left', 'padx'=>2) + }.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2) +end + +# Create a bunch of tags to use in the text widget, such as those for +# section titles and demo descriptions. Also define the bindings for +# tags. + +tag_title = TkTextTag.new(txt, 'font'=>'-*-Helvetica-Bold-R-Normal--*-180-*-*-*-*-*-*') + +# We put some "space" characters to the left and right of each demo description +# so that the descriptions are highlighted only when the mouse cursor +# is right over them (but not when the cursor is to their left or right) + +tag_demospace = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c') + +if TkWinfo.depth($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', <<EOT) +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 "See Code" button to see the Ruby/Tk code that created the \ +demonstration. If you wish, you can edit the code and click the \ +"Rerun Demo" button in the code window to reinvoke the demonstration \ +with the modified code. + +Some demo scripts require the recent version of Tk library \ +(e.g. Tk8.4 or later) \ +If your Tk library linked to Ruby doesn't support the functions \ +required by the demo script, the demo doesn't work. \ +In such a case, please re-compile tcltklib with the later Tk library \ +which supports the required functions. + + +EOT + +txt.insert('end', "Labels, buttons, checkbuttons, and radiobuttons.\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Labels (text and bitmaps).\n", tag_demo, "demo-label") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Labels and UNICODE text. (if supported)\n", tag_demo, "demo-unicodeout") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Buttons.\n", tag_demo, "demo-button") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "4. Checkbuttons (select any of a group).\n", tag_demo, "demo-check") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "5. Checkbuttons (if supported).\n", tag_demo, "demo-check2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "6. Radiobuttons (select one of a group).\n", tag_demo, "demo-radio") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "7. Radiobuttons (if supported 'compound' option).\n", tag_demo, "demo-radio2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "8. Radiobuttons (if supported).\n", tag_demo, "demo-radio3") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "9. A 15-puzzle game made out of buttons.\n", tag_demo, "demo-puzzle") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "10. Iconic buttons that use bitmaps.\n", tag_demo, "demo-icon") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "11. Two labels displaying images.\n", tag_demo, "demo-image1") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "12. A simple user interface for viewing images.\n", tag_demo, "demo-image2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "13. A simple user interface for viewing images. (if supported)\n", tag_demo, "demo-image3") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "14. Labelled frames (if supported)\n", tag_demo, "demo-labelframe") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Listboxes\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. 50 states.\n", tag_demo, "demo-states") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Colors: change the color scheme for the application.\n", "#{tag_demo.id} demo-colors") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. A collection of famous sayings.\n", tag_demo, "demo-sayings") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Entries and Spin-boxes\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Without scrollbars.\n", tag_demo, "demo-entry1") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. With scrollbars.\n", tag_demo, "demo-entry2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', + "3. Validated entries and password fields. (if supported)\n", + tag_demo, "demo-entry3") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "4. Spin-boxes. (if supported)\n", tag_demo, "demo-spin") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "5. Simple Rolodex-like form.\n", tag_demo, "demo-form") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Text\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Basic editable text.\n", tag_demo, "demo-text") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Text display styles.\n", tag_demo, "demo-style") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Hypertext (tag bindings).\n", tag_demo, "demo-bind") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "4. A text widget with embedded windows.\n", tag_demo, "demo-twind") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "5. A text widget with embedded windows. (if supported)\n", tag_demo, "demo-twind2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "6. A search tool built with a text widget.\n", tag_demo, "demo-search") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Canvases\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. The canvas item types.\n", tag_demo, "demo-items") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. A simple 2-D plot.\n", tag_demo, "demo-plot") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Text items in canvases.\n", tag_demo, "demo-ctext") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "4. An editor for arrowheads on canvas lines.\n", tag_demo, "demo-arrow") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "5. A ruler with adjustable tab stops.\n", tag_demo, "demo-ruler") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "6. A building floor plan.\n", tag_demo, "demo-floor") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "7. A building floor plan. (another way to create canvas items)\n", tag_demo, "demo-floor2") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "8. A simple scrollable canvas.\n", tag_demo, "demo-cscroll") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Scales\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Vertical scale.\n", tag_demo.id, "demo-vscale") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Horizontal scale.\n", tag_demo.id, "demo-hscale") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Paned Windows\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Horizontal paned window. (if supported)\n", tag_demo.id, "demo-paned1") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Vertical paned window. (if supported)\n", tag_demo.id, "demo-paned2") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Menus\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Menus and cascades.\n", tag_demo, "demo-menu") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Menus and cascades. (if supported)\n", tag_demo, "demo-menu84") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Menubuttons\n", tag_demo, "demo-menubu") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Common Dialogs\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Message boxes.\n", tag_demo, "demo-msgbox") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. File selection dialog.\n", tag_demo, "demo-filebox") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Color picker.\n", tag_demo, "demo-clrpick") +txt.insert('end', " \n ", tag_demospace) + +txt.insert('end', "\n") +txt.insert('end', "Animation\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. Animated labels (if supported)\n", tag_demo, "demo-anilabel") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. Animated wave (if supported)\n", tag_demo, "demo-aniwave") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. Pendulum simulation (if supported)\n", tag_demo, "demo-pendulum") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "4. A celebration of Rube Goldberg (if supported)\n", tag_demo, "demo-goldberg") + +txt.insert('end', "\n") +txt.insert('end', "Miscellaneous\n", tag_title) +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "1. The built-in bitmaps.\n", tag_demo, "demo-bitmap") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "2. A dialog box with a local grab.\n", tag_demo, "demo-dialog1") +txt.insert('end', " \n ", tag_demospace) +txt.insert('end', "3. A dialog box with a global grab.\n", tag_demo, "demo-dialog2") +txt.insert('end', " \n ", tag_demospace) + +txt.state('disabled') +scr.focus + +# 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. + +def positionWindow(w) + w.geometry('+300+300') +end + +# 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. + +$showVarsWin = {} +def showVars1(parent, *args) + if $showVarsWin[parent.path] + begin + $showVarsWin[parent.path].destroy + rescue + end + end + w = TkToplevel.new(parent) {|w| + title "Variable values" + TkLabel.new(w) { + text "Variable values:" + width 20 + anchor 'center' + font '-Adobe-helvetica-medium-r-normal--*-180-*-*-*-*-*-*' + }.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(w) { + 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) {|w| + title "Variable values" + + TkLabelFrame.new(w, :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(w, :text=>"OK", :width=>8, :default=>:active, + :command=>proc{w.destroy}){|b| + w.bind('Return', proc{b.invoke}) + w.bind('Escape', proc{b.invoke}) + + b.grid(:sticky=>'e', :padx=>4, :pady=>[6, 4]) + } + w.grid_columnconfig(0, :weight=>1) + w.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, &b) + 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) + Thread.new{ _null_binding.pseudo_toplevel_eval{ eval(code) } }.run + Tk.update +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 + # 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) + 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 + $code_window = nil + } + }.pack('side'=>'left', 'expand'=>'yes', 'pady'=>2) + TkButton.new(f) { + text "Rerun Demo" + # command proc{eval($code_text.get('1.0','end'), _null_binding)} + command proc{eval_samplecode($code_text.get('1.0','end'))} + }.pack('side'=>'left', 'expand'=>'yes', 'pady'=>2) +# f.pack('side'=>'bottom', 'expand'=>'yes', 'fill'=>'x') + f.pack('side'=>'bottom', '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 + 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') + 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) + + 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('x', b_run, b_prn, b_dis, :padx=>4, :pady=>[6,4]) + bf.grid_columnconfigure(0, :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) + } + 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') + 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 $?.exitstatus == 0 + fail RuntimeError, msg + end +end + +# aboutBox +# +# Pops up a message box with an "about" message +# +def aboutBox + Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo', + 'message'=>"Ruby/Tk widget demonstration Ver.1.6.0-en\n\n" + + "based on demos of Tk8.1 -- 8.5 " + + "( Copyright:: " + + "(c) 1996-1997 Sun Microsystems, Inc. / " + + "(c) 1997-2000 Ajuba Solutions, Inc. / " + + "(c) 2001-2003 Donal K. Fellows )\n\n" + + "Your Ruby & Tk Version ::\n" + + "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$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 +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) +} +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 + |