diff options
Diffstat (limited to 'ruby_1_8_6/ext/tk/sample/demos-en/twind.rb')
| -rw-r--r-- | ruby_1_8_6/ext/tk/sample/demos-en/twind.rb | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/demos-en/twind.rb b/ruby_1_8_6/ext/tk/sample/demos-en/twind.rb deleted file mode 100644 index 24a4bcf706..0000000000 --- a/ruby_1_8_6/ext/tk/sample/demos-en/twind.rb +++ /dev/null @@ -1,285 +0,0 @@ -# twind.rb -# -# This demonstration script creates a text widget with a bunch of -# embedded windows. -# -# text (embedded windows) widget demo (called by 'widget') -# - -# toplevel widget -if defined?($twind_demo) && $twind_demo - $twind_demo.destroy - $twind_demo = nil -end - -# demo toplevel widget -$twind_demo = TkToplevel.new {|w| - title("Text Demonstration - Embedded Windows") - iconname("Embedded Windows") - positionWindow(w) -} - -# frame -$twind_buttons = TkFrame.new($twind_demo) {|frame| - TkButton.new(frame) { - text 'Dismiss' - command proc{ - tmppath = $twind_demo - $twind_demo = nil - tmppath.destroy - } - }.pack('side'=>'left', 'expand'=>'yes') - - TkButton.new(frame) { - text 'Show Code' - command proc{showCode 'twind'} - }.pack('side'=>'left', 'expand'=>'yes') -} -$twind_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') - -# frame -$twind_text = nil -TkFrame.new($twind_demo, 'highlightthickness'=>2, 'borderwidth'=>2, - 'relief'=>'sunken') {|f| - $twind_text = TkText.new(f, 'setgrid'=>'true', 'font'=>$font, - 'width'=>'70', 'height'=>35, 'wrap'=>'word', - 'highlightthickness'=>0, 'borderwidth'=>0 ){|t| - TkScrollbar.new(f) {|s| - command proc{|*args| t.yview(args)} - t.yscrollcommand proc{|first,last| s.set first,last} - }.pack('side'=>'right', 'fill'=>'y') - }.pack('expand'=>'yes', 'fill'=>'both') -}.pack('expand'=>'yes', 'fill'=>'both') - -# -$tag_center = TkTextTag.new($twind_text, - 'justify' =>'center', - 'spacing1'=>'5m', - 'spacing3'=>'5m' ) -$tag_buttons = TkTextTag.new($twind_text, - 'lmargin1'=>'1c', - 'lmargin2'=>'1c', - 'rmargin' =>'1c', - 'spacing1'=>'3m', - 'spacing2'=>0, - 'spacing3'=>0 ) - -$twind_text.insert('end', "A text widget can contain other widgets embedded ") -$twind_text.insert('end', "it. These are called \"embedded windows\", ") -$twind_text.insert('end', "and they can consist of arbitrary widgets. ") -$twind_text.insert('end', "For example, here are two embedded button ") -$twind_text.insert('end', "widgets. You can click on the first button to ") -TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) { - #text 'ON' - text 'Turn On' - command proc{textWindOn $twind_text,$twind_buttons} - cursor 'top_left_arrow' - }) -$twind_text.insert('end', " horizontal scrolling, which also turns off ") -$twind_text.insert('end', "word wrapping. Or, you can click on the second ") -$twind_text.insert('end', "button to\n") -TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) { - #text 'OFF' - text 'Turn Off' - command proc{textWindOff $twind_text} - cursor 'top_left_arrow' - }) - -$twind_text.insert('end', " horizontal scrolling and turn back on word wrapping.\n\n") -$twind_text.insert('end', "Or, here is another example. If you ") -TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) { - text 'Click Here' - command proc{textWindPlot $twind_text} - cursor 'top_left_arrow' - }) -$twind_text.insert('end', " a canvas displaying an x-y plot will appear right here.") -$mark_plot = TkTextMark.new($twind_text, 'insert') -$mark_plot.gravity='left' -$twind_text.insert('end', " You can drag the data points around with the mouse, ") -$twind_text.insert('end', "or you can click here to ") -TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) { - text 'Delete' - command proc{textWindDel $twind_text} - cursor 'top_left_arrow' - }) - -$twind_text.insert('end', " the plot again.\n\n") -$twind_text.insert('end', "You may also find it useful to put embedded windows in ") -$twind_text.insert('end', "a text without any actual text. In this case the ") -$twind_text.insert('end', "text widget acts like a geometry manager. For ") -$twind_text.insert('end', "example, here is a collection of buttons laid out ") -$twind_text.insert('end', "neatly into rows by the text widget. These buttons ") -$twind_text.insert('end', "can be used to change the background color of the ") -$twind_text.insert('end', "text widget (\"Default\" restores the color to ") -$twind_text.insert('end', "its default). If you click on the button labeled ") -$twind_text.insert('end', "\"Short\", it changes to a longer string so that ") -$twind_text.insert('end', "you can see how the text widget automatically ") -$twind_text.insert('end', "changes the layout. Click on the button again ") -$twind_text.insert('end', "to restore the short string.\n") - - -TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) {|b| - text 'Default' - command proc{embDefBg $twind_text} - cursor 'top_left_arrow' - $tag_buttons.add('end') - }, - 'padx'=>3 ) -embToggle = TkVariable.new('Short') -TkTextWindow.new($twind_text, 'end', - 'window'=>TkCheckButton.new($twind_text) { - textvariable embToggle - indicatoron 0 - variable embToggle - onvalue 'A much longer string' - offvalue 'Short' - cursor 'top_left_arrow' - pady 5 - padx 2 - }, - 'padx'=>3, - 'pady'=>2 ) - -[ 'AntiqueWhite3', 'Bisque1', 'Bisque2', 'Bisque3', 'Bisque4', - 'SlateBlue3', 'RoyalBlue1', 'SteelBlue2', 'DeepSkyBlue3', 'LightBlue1', - 'DarkSlateGray1', 'Aquamarine2', 'DarkSeaGreen2', 'SeaGreen1', - 'Yellow1', 'IndianRed1', 'IndianRed2', 'Tan1', 'Tan4' -].each{|twind_color| - TkTextWindow.new($twind_text, 'end', - 'window'=>TkButton.new($twind_text) { - text twind_color - cursor 'top_left_arrow' - command proc{$twind_text.bg twind_color} - }, - 'padx'=>3, - 'pady'=>2 ) -} - -# -def textWindOn (w,f) - if defined? $twind_scroll - begin - $twind_scroll.destroy - rescue - end - $twind_scroll = nil - end - - base = TkWinfo.parent( TkWinfo.parent(w) ) - $twind_scroll = TkScrollbar.new(base) {|s| - orient 'horizontal' - command proc{|*args| w.xview(*args)} - w.xscrollcommand proc{|first,last| s.set first,last} - w.wrap 'none' - pack('after'=>f, 'side'=>'bottom', 'fill'=>'x') - } - - return nil -end - -def textWindOff (w) - if defined? $twind_scroll - begin - $twind_scroll.destroy - rescue - end - $twind_scroll = nil - end - w.xscrollcommand '' - w.wrap 'word' -end - -def textWindPlot (t) - if (defined? $twind_plot) && TkWinfo.exist?($twind_plot) - return - end - - $twind_plot = TkCanvas.new(t) { - relief 'sunken' - width 450 - height 300 - cursor 'top_left_arrow' - } - - font = '-Adobe-Helvetica-Medium-R-Normal--*-180-*-*-*-*-*-*' - - TkcLine.new($twind_plot, 100, 250, 400, 250, 'width'=>2) - TkcLine.new($twind_plot, 100, 250, 100, 50, 'width'=>2) - TkcText.new($twind_plot, 225, 20, - 'text'=>"A Simple Plot", 'font'=>font, 'fill'=>'brown') - - (0..10).each {|i| - x = 100 + (i * 30) - TkcLine.new($twind_plot, x, 250, x, 245, 'width'=>2) - TkcText.new($twind_plot, x, 254, - 'text'=>10*i, 'font'=>font, 'anchor'=>'n') - } - (0..5).each {|i| - y = 250 - (i * 40) - TkcLine.new($twind_plot, 100, y, 105, y, 'width'=>2) - TkcText.new($twind_plot, 96, y, - 'text'=>"#{i*50}.0", 'font'=>font, 'anchor'=>'e') - } - - for xx, yy in [[12,56],[20,94],[33,98],[32,120],[61,180],[75,160],[98,223]] - x = 100 + (3*xx) - y = 250 - (4*yy)/5 - item = TkcOval.new($twind_plot, x-6, y-6, x+6, y+6, - 'width'=>1, 'outline'=>'black', 'fill'=>'SkyBlue2') - item.addtag 'point' - end - - $twind_plot.itembind('point', 'Any-Enter', - proc{$twind_plot.itemconfigure 'current', 'fill', 'red'}) - $twind_plot.itembind('point', 'Any-Leave', - proc{$twind_plot.itemconfigure 'current', 'fill', 'SkyBlue2'}) - $twind_plot.itembind('point', '1', - proc{|x,y| embPlotDown $twind_plot,x,y}, "%x %y") - $twind_plot.itembind('point', 'ButtonRelease-1', - proc{$twind_plot.dtag 'selected'}) - $twind_plot.bind('B1-Motion', - proc{|x,y| embPlotMove $twind_plot,x,y}, "%x %y") - while ($twind_text.get($mark_plot) =~ /[ \t\n]/) - $twind_text.delete $mark_plot - end - $twind_text.insert $mark_plot,"\n" - TkTextWindow.new($twind_text, $mark_plot, 'window'=>$twind_plot) - $tag_center.add $mark_plot - $twind_text.insert $mark_plot,"\n" -end - -$embPlot = {'lastX'=>0, 'lastY'=>0} - -def embPlotDown (w, x, y) - w.dtag 'selected' - w.addtag_withtag 'selected', 'current' - w.raise 'current' - $embPlot['lastX'] = x - $embPlot['lastY'] = y -end - -def embPlotMove (w, x, y) - w.move 'selected', x - $embPlot['lastX'], y - $embPlot['lastY'] - $embPlot['lastX'] = x - $embPlot['lastY'] = y -end - -def textWindDel (w) - if (defined? $twind_text) && TkWinfo.exist?($twind_plot) - $twind_text.delete $twind_plot - $twind_plot = nil - while ($twind_text.get($mark_plot) =~ /[ \t\n]/) - $twind_text.delete $mark_plot - end - $twind_text.insert $mark_plot," " - end -end - -def embDefBg (w) - w['background'] = w.configinfo('background')[3] -end |