diff options
Diffstat (limited to 'sample/tkline.rb')
| -rw-r--r-- | sample/tkline.rb | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/sample/tkline.rb b/sample/tkline.rb index 843893b5d9..63d763a680 100644 --- a/sample/tkline.rb +++ b/sample/tkline.rb @@ -1,5 +1,21 @@ + +$tk_thread_safe = TRUE require "tkclass" +$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 @@ -7,7 +23,8 @@ $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, 'fill' => 'gray') + $current_line = Line.new($c, x, y, x, y) + start_random end def do_motion(x, y) if $current_line @@ -23,7 +40,7 @@ def do_release(x, y) end end -$c.bind("1", proc{|e| do_press e.x,e.y}) -$c.bind("B1-Motion", proc{|e| do_motion e.x,e.y}) -$c.bind("ButtonRelease-1", proc{|e| do_release e.x,e.y}) +$c.bind("1", proc{|e| do_press e.x, e.y}) +$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 |