1# 2# menus widget demo (called by 'widget') 3# 4 5# toplevel widget 6if defined?($menu84_demo) && $menu84_demo 7 $menu84_demo.destroy 8 $menu84_demo = nil 9end 10 11# demo toplevel widget 12$menu84_demo = TkToplevel.new {|w| 13 title("File Selection Dialogs") 14 iconname("menu84") 15 positionWindow(w) 16} 17 18base_frame = TkFrame.new($menu84_demo).pack(:fill=>:both, :expand=>true) 19 20begin 21 windowingsystem = Tk.windowingsystem() 22rescue 23 windowingsystem = "" 24end 25 26# label 27TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left') { 28 if $tk_platform['platform'] == 'macintosh' || 29 windowingsystem == "classic" || windowingsystem == "aqua" 30 text("This window contains a menubar with cascaded menus. You can invoke entries with an accelerator by typing Command+x, where \"x\" is the character next to the command key symbol. The rightmost menu can be torn off into a palette by dragging outside of its bounds and releasing the mouse.") 31 else 32 text("This window contains a menubar with cascaded menus. You can post a menu from the keyboard by typing Alt+x, where \"x\" is the character underlined on the menu. You can then traverse among the menus using the arrow keys. When a menu is posted, you can invoke the current entry by typing space, or you can invoke any entry by typing its underlined character. If a menu entry has an accelerator, you can invoke the entry without posting the menu just by typing the accelerator. The rightmost menu can be torn off into a palette by selecting the first item in the menu.") 33 end 34}.pack('side'=>'top') 35 36 37menustatus = TkVariable.new(" ") 38TkFrame.new(base_frame) {|frame| 39 TkLabel.new(frame, 'textvariable'=>menustatus, 'relief'=>'sunken', 40 'bd'=>1, 'font'=>['Helvetica', '10'], 41 'anchor'=>'w').pack('side'=>'left', 'padx'=>2, 42 'expand'=>true, 'fill'=>'both') 43 pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2) 44} 45 46 47# frame 48TkFrame.new(base_frame) {|frame| 49 TkButton.new(frame) { 50 text 'Dismiss' 51 command proc{ 52 tmppath = $menu84_demo 53 $menu84_demo = nil 54 tmppath.destroy 55 } 56 }.pack('side'=>'left', 'expand'=>'yes') 57 58 TkButton.new(frame) { 59 text 'Show Code' 60 command proc{showCode 'menu84'} 61 }.pack('side'=>'left', 'expand'=>'yes') 62}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') 63 64 65# create menu frame 66$menu84_frame = TkMenu.new($menu84_demo, 'tearoff'=>false) 67 68# menu 69TkMenu.new($menu84_frame, 'tearoff'=>false) {|m| 70 $menu84_frame.add('cascade', 'label'=>'File', 'menu'=>m, 'underline'=>0) 71 add('command', 'label'=>'Open...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Open..." entry'}) 72 add('command', 'label'=>'New', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "New" entry'}) 73 add('command', 'label'=>'Save', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save" entry'}) 74 add('command', 'label'=>'Save As...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save As..." entry'}) 75 add('separator') 76 add('command', 'label'=>'Print Setup...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print Setup..." entry'}) 77 add('command', 'label'=>'Print...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print..." entry'}) 78 add('separator') 79 add('command', 'label'=>'Dismiss Menus Demo', 'command'=>proc{$menu84_demo.destroy}) 80} 81 82if $tk_platform['platform'] == 'macintosh' || 83 windowingsystem = "classic" || windowingsystem = "aqua" 84 modifier = 'Command' 85elsif $tk_platform['platform'] == 'windows' 86 modifier = 'Control' 87else 88 modifier = 'Meta' 89end 90 91TkMenu.new($menu84_frame, 'tearoff'=>false) {|m| 92 $menu84_frame.add('cascade', 'label'=>'Basic', 'menu'=>m, 'underline'=>0) 93 add('command', 'label'=>'Long entry that does nothing') 94 ['A','B','C','D','E','F','G'].each{|c| 95 add('command', 'label'=>"Print letter \"#{c}\"", 96 'underline'=>14, 'accelerator'=>"Meta+#{c}", 97 'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}") 98 $menu84_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"}) 99 } 100} 101 102TkMenu.new($menu84_frame, 'tearoff'=>false) {|m| 103 $menu84_frame.add('cascade', 'label'=>'Cascades', 'menu'=>m, 'underline'=>0) 104 add('command', 'label'=>'Print hello', 105 'command'=>proc{print "Hello\n"}, 106 'accelerator'=>"#{modifier}+H", 'underline'=>6) 107 $menu84_demo.bind("#{modifier}-h", proc{print "Hello\n"}) 108 add('command', 'label'=>'Print goodbye', 109 'command'=>proc{print "Goodbye\n"}, 110 'accelerator'=>"#{modifier}+G", 'underline'=>6) 111 $menu84_demo.bind("#{modifier}-g", proc{print "Goodbye\n"}) 112 113 TkMenu.new(m, 'tearoff'=>false) {|cascade_check| 114 m.add('cascade', 'label'=>'Check buttons', 115 'menu'=>cascade_check, 'underline'=>0) 116 oil = TkVariable.new(0) 117 add('check', 'label'=>'Oil checked', 'variable'=>oil) 118 trans = TkVariable.new(0) 119 add('check', 'label'=>'Transmission checked', 'variable'=>trans) 120 brakes = TkVariable.new(0) 121 add('check', 'label'=>'Brakes checked', 'variable'=>brakes) 122 lights = TkVariable.new(0) 123 add('check', 'label'=>'Lights checked', 'variable'=>lights) 124 add('separator') 125 add('command', 'label'=>'Show current values', 126 'command'=>proc{showVars($menu84_demo, 127 ['oil', oil], 128 ['trans', trans], 129 ['brakes', brakes], 130 ['lights', lights])} ) 131 invoke 1 132 invoke 3 133 } 134 135 TkMenu.new(m, 'tearoff'=>false) {|cascade_radio| 136 m.add('cascade', 'label'=>'Radio buttons', 137 'menu'=>cascade_radio, 'underline'=>0) 138 pointSize = TkVariable.new 139 add('radio', 'label'=>'10 point', 'variable'=>pointSize, 'value'=>10) 140 add('radio', 'label'=>'14 point', 'variable'=>pointSize, 'value'=>14) 141 add('radio', 'label'=>'18 point', 'variable'=>pointSize, 'value'=>18) 142 add('radio', 'label'=>'24 point', 'variable'=>pointSize, 'value'=>24) 143 add('radio', 'label'=>'32 point', 'variable'=>pointSize, 'value'=>32) 144 add('separator') 145 style = TkVariable.new 146 add('radio', 'label'=>'Roman', 'variable'=>style, 'value'=>'roman') 147 add('radio', 'label'=>'Bold', 'variable'=>style, 'value'=>'bold') 148 add('radio', 'label'=>'Italic', 'variable'=>style, 'value'=>'italic') 149 add('separator') 150 add('command', 'label'=>'Show current values', 151 'command'=>proc{showVars($menu84_demo, 152 ['pointSize', pointSize], 153 ['style', style])} ) 154 invoke 1 155 invoke 7 156 } 157} 158 159TkMenu.new($menu84_frame, 'tearoff'=>false) {|m| 160 $menu84_frame.add('cascade', 'label'=>'Icons', 'menu'=>m, 'underline'=>0) 161 add('command', 'hidemargin'=>1, 162 'bitmap'=>'@'+[$demo_dir,'..', 163 'images','pattern.xbm'].join(File::Separator), 164 'command'=>proc{TkDialog.new('title'=>'Bitmap Menu Entry', 165 'text'=>'The menu entry you invoked displays a bitmap rather than a text string. Other than this, it is just like any other menu entry.', 166 'bitmap'=>'', 'default'=>0, 167 'buttons'=>'Dismiss')} ) 168 ['info', 'questhead', 'error'].each{|icon| 169 add('command', 'bitmap'=>icon, 'hidemargin'=>1, 170 'command'=>proc{print "You invoked the #{icon} bitmap\n"}) 171 } 172 173 entryconfigure(2, :columnbreak=>true) 174} 175 176TkMenu.new($menu84_frame, 'tearoff'=>false) {|m| 177 $menu84_frame.add('cascade', 'label'=>'More', 'menu'=>m, 'underline'=>0) 178 [ 'An entry','Another entry','Does nothing','Does almost nothing', 179 'Make life meaningful' ].each{|i| 180 add('command', 'label'=>i, 181 'command'=>proc{print "You invoked \"#{i}\"\n"}) 182 } 183 184 m.entryconfigure('Does almost nothing', 185 'bitmap'=>'questhead', 'compound'=>'left', 186 'command'=>proc{ 187 TkDialog.new('title'=>'Compound Menu Entry', 188 'message'=>'The menu entry you invoked'+ 189 'displays both a bitmap and '+ 190 'a text string. Other than '+ 191 'this, it isjust like any '+ 192 'other menu entry.', 193 'buttons'=>['OK'], 'bitmap'=>'') 194 }) 195} 196 197TkMenu.new($menu84_frame) {|m| 198 $menu84_frame.add('cascade', 'label'=>'Colors', 'menu'=>m, 'underline'=>0) 199 ['red', 'orange', 'yellow', 'green', 'blue'].each{|c| 200 add('command', 'label'=>c, 'background'=>c, 201 'command'=>proc{print "You invoked \"#{c}\"\n"}) 202 } 203} 204 205$menu84_demo.menu($menu84_frame) 206 207TkMenu.bind('<MenuSelect>', proc{|w| 208 begin 209 label = w.entrycget('active', 'label') 210 rescue 211 label = " " 212 end 213 menustatus.value = label 214 Tk.update(true) 215 }, '%W') 216