diff options
Diffstat (limited to 'ruby_1_8_5/ext/tk/sample/demos-en/cscroll.rb')
| -rw-r--r-- | ruby_1_8_5/ext/tk/sample/demos-en/cscroll.rb | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/ruby_1_8_5/ext/tk/sample/demos-en/cscroll.rb b/ruby_1_8_5/ext/tk/sample/demos-en/cscroll.rb deleted file mode 100644 index 0838dfbe08..0000000000 --- a/ruby_1_8_5/ext/tk/sample/demos-en/cscroll.rb +++ /dev/null @@ -1,134 +0,0 @@ -# cscroll.rb -# -# This demonstration script creates a simple canvas that can be -# scrolled in two dimensions. -# -# simple scrollable canvas widget demo (called by 'widget') -# - -# toplevel widget -if defined?($cscroll_demo) && $cscroll_demo - $cscroll_demo.destroy - $cscroll_demo = nil -end - -# demo toplevel widget -$cscroll_demo = TkToplevel.new {|w| - title("Scrollable Canvas Demonstration") - iconname("cscroll") - positionWindow(w) -} - -# label -TkLabel.new($cscroll_demo, 'font'=>$font, 'wraplength'=>'4i', - 'justify'=>'left', 'text'=>"This window displays a canvas widget that can be scrolled either using the scrollbars or by dragging with button 2 in the canvas. If you click button 1 on one of the rectangles, its indices will be printed on stdout."){ - pack('side'=>'top') -} - -# frame -$cscroll_buttons = TkFrame.new($cscroll_demo) {|frame| - TkButton.new(frame) { - text 'Dismiss' - command proc{ - tmppath = $cscroll_demo - $cscroll_demo = nil - tmppath.destroy - } - }.pack('side'=>'left', 'expand'=>'yes') - - TkButton.new(frame) { - text 'Show Code' - command proc{showCode 'cscroll'} - }.pack('side'=>'left', 'expand'=>'yes') -} -$cscroll_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') - -# frame -unless $tk_version =~ /^4\.[01]/ - $cscroll_grid = TkFrame.new($cscroll_demo) { - pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>1) - } - TkGrid.rowconfigure($cscroll_grid, 0, 'weight'=>1, 'minsize'=>0) - TkGrid.columnconfigure($cscroll_grid, 0, 'weight'=>1, 'minsize'=>0) -end - -# canvas -$cscroll_canvas = TkCanvas.new($cscroll_demo, - 'relief'=>'sunken', 'borderwidth'=>2, - 'scrollregion'=>['-11c', '-11c', '50c', '20c'] - ) {|c| - if $tk_version =~ /^4\.[01]/ - pack('expand'=>'yes', 'fill'=>'both') - else - grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0, - 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') - end - - TkScrollbar.new($cscroll_demo, 'command'=>proc{|*args| c.yview(*args)}) {|vs| - c.yscrollcommand(proc{|first,last| vs.set first,last}) - if $tk_version =~ /^4\.[01]/ - pack('side'=>'right', 'fill'=>'y') - else - grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1, - 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') - end - } - - TkScrollbar.new($cscroll_demo, 'orient'=>'horiz', - 'command'=>proc{|*args| c.xview(*args)}) {|hs| - c.xscrollcommand(proc{|first,last| hs.set first,last}) - if $tk_version =~ /^4\.[01]/ - pack('side'=>'bottom', 'fill'=>'x') - else - grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0, - 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news') - end - } -} - -bg = $cscroll_canvas.configinfo('bg')[4] -(0..19).each{|i| - x = -10+3*i - y = -10 - (0..9).each{|j| - TkcRectangle.new($cscroll_canvas, "#{x}c", "#{y}c", "#{x+2}c", "#{y+2}c", - 'outline'=>'black', 'fill'=>bg, 'tags'=>'rect') - TkcText.new($cscroll_canvas, "#{x+1}c", "#{y+1}c", - 'text'=>"#{i},#{j}", 'anchor'=>'center', 'tags'=>'text') - y += 3 - } -} - -$cscroll_canvas.itembind('all', 'Any-Enter', proc{scrollEnter $cscroll_canvas}) -$cscroll_canvas.itembind('all', 'Any-Leave', proc{scrollLeave $cscroll_canvas}) -$cscroll_canvas.itembind('all', '1', proc{scrollButton $cscroll_canvas}) -$cscroll_canvas.itembind('all', 'Any-Enter', proc{scrollEnter $cscroll_canvas}) -$cscroll_canvas.bind('2', proc{|x,y| $cscroll_canvas.scan_mark(x,y)}, '%x %y') -$cscroll_canvas.bind('B2-Motion', - proc{|x,y| $cscroll_canvas.scan_dragto(x,y)}, '%x %y') - -def scrollEnter(c) - id = c.find_withtag('current')[0].id - id -= 1 if c.gettags('current').include?('text') - $oldFill = c.itemconfiginfo(id, 'fill')[4] - if TkWinfo.depth(c) > 1 - c.itemconfigure(id, 'fill'=>'SeaGreen1') - else - c.itemconfigure(id, 'fill'=>'black') - c.itemconfigure(id+1, 'fill'=>'white') - end -end - -def scrollLeave(c) - id = c.find_withtag('current')[0].id - id -= 1 if c.gettags('current').include?('text') - c.itemconfigure(id, 'fill'=>$oldFill) - c.itemconfigure(id+1, 'fill'=>'black') -end - -def scrollButton(c) - id = c.find_withtag('current')[0].id - id += 1 unless c.gettags('current').include?('text') - print "You buttoned at #{c.itemconfiginfo(id,'text')[4]}\n" -end - |