diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-11-17 09:12:50 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-11-17 09:12:50 +0000 |
commit | 8271cacad706ed0d7741889faebb0c19270b8370 (patch) | |
tree | edf2f74b145f81822640b282fdc13e282da99e2b /ext/tk/sample/tkline.rb | |
parent | ee5ab9cc136baf18756abc6bd5d136a0231f973e (diff) |
1.1c8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/tk/sample/tkline.rb')
-rw-r--r-- | ext/tk/sample/tkline.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ext/tk/sample/tkline.rb b/ext/tk/sample/tkline.rb new file mode 100644 index 0000000000..2406b0749f --- /dev/null +++ b/ext/tk/sample/tkline.rb @@ -0,0 +1,45 @@ + +require "tkclass" + +$tkline_init = FALSE +def start_random + return if $tkline_init + $tkline_init = TRUE + if defined? Thread + Thread.start do + loop do + sleep 2 + Line.new($c, rand(400), rand(200), rand(400), rand(200)) + end + end + end +end + +$c = Canvas.new +$c.pack +$start_x = start_y = 0 + +def do_press(x, y) + $start_x = x + $start_y = y + $current_line = Line.new($c, x, y, x, y) + start_random +end +def do_motion(x, y) + if $current_line + $current_line.coords $start_x, $start_y, x, y + end +end + +def do_release(x, y) + if $current_line + $current_line.coords $start_x, $start_y, x, y + $current_line.fill 'black' + $current_line = nil + end +end + +$c.bind("1", proc{|e| do_press e.x, e.y}) +$c.bind("B1-Motion", proc{|x, y| do_motion x, y}, "%x %y") +$c.bind("ButtonRelease-1", proc{|x, y| do_release x, y}, "%x %y") +Tk.mainloop |