diff options
Diffstat (limited to 'ext/tk/sample/tkrttimer.rb')
| -rw-r--r-- | ext/tk/sample/tkrttimer.rb | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/ext/tk/sample/tkrttimer.rb b/ext/tk/sample/tkrttimer.rb index 0abd4ecbd2..1f9cbd9eb5 100644 --- a/ext/tk/sample/tkrttimer.rb +++ b/ext/tk/sample/tkrttimer.rb @@ -8,24 +8,24 @@ root = TkRoot.new(:title=>'realtime timer sample') f1 = TkFrame.new(:borderwidth=>2, :relief=>:ridge) f1.pack(:side=>:bottom, :fill=>:both) TkLabel.new(f1, :text=>'use TkTimer (TkAfter) class').pack(:anchor=>:center) -label1 = TkLabel.new(:parent=>f1, :relief=>:raised, +label1 = TkLabel.new(:parent=>f1, :relief=>:raised, :width=>10).pack(:fill=>:both) f2 = TkFrame.new(:borderwidth=>2, :relief=>:ridge) f2.pack(:side=>:bottom, :fill=>:both) TkLabel.new(f2, :text=>'use TkRTTimer class').pack -label2 = TkLabel.new(:parent=>f2, :relief=>:raised, +label2 = TkLabel.new(:parent=>f2, :relief=>:raised, :width=>10).pack(:fill=>:both) TkLabel.new(:padx=>10, :pady=>5, :justify=>'left', :text=><<EOT).pack Interval setting of each timer object is 10 ms. Each timer object counts up the value on each callback (the value is not the clock data). -The count of the TkTimer object is delayed by execution +The count of the TkTimer object is delayed by execution time of callbacks and inaccuracy of interval. -On the other hand, the count of the TkRTTimer object is -not delayed. Its callback interval is not accurate too. -But it can compute error correction about the time when +On the other hand, the count of the TkRTTimer object is +not delayed. Its callback interval is not accurate too. +But it can compute error correction about the time when a callback should start. EOT |