diff options
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, 0 insertions, 944 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 deleted file mode 100644 index 3c50582211..0000000000 --- a/ruby_1_8_6/ext/tk/sample/demos-en/widget +++ /dev/null @@ -1,944 +0,0 @@ -#!/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 - |