set_msg(x, y, bhelp, parent)
Instance Public methods
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # CASE1 : command takes no arguemntbh = Tk::RbWidget::BalloonHelp.new(sb, :interval=>500, :relief=>:ridge, :background=>'white', :command=>proc{ y = TkWinfo.pointery(sb) - TkWinfo.rooty(sb) bh.text "current index == #{sb.nearest(y)}" })# CASE2 : command takes 2 arguemntsbh = Tk::RbWidget::BalloonHelp.new(sb, :interval=>500, :relief=>:ridge, :background=>'white', :command=>proc{|x, y| bh.text "current index == #{sb.nearest(y)}" })# CASE3 : command takes 3 arguemntsTk::RbWidget::BalloonHelp.new(sb, :interval=>500, :relief=>:ridge, :background=>'white', :command=>proc{|x, y, bhelp| bhelp.text "current index == #{sb.nearest(y)}" })# CASE4a : command is a Proc object and takes 4 arguemntscmd = proc{|x, y, bhelp, parent| bhelp.text "current index == #{parent.nearest(y)}"}Tk::RbWidget::BalloonHelp.new(sb, :interval=>500, :relief=>:ridge, :background=>'white', :command=>cmd)sb2 = TkScrollbox.new.pack(:fill=>:x)sb2.insert(:end, *%w(AAA BBB CCC DDD EEE FFF GGG HHH III JJJ KKK LLL MMM))Tk::RbWidget::BalloonHelp.new(sb2, :interval=>500, :padx=>5, :relief=>:raised, :background=>'gray25', :foreground=>'white', :command=>cmd) |
#=begin # CASE4b : command is a Method object and takes 4 arguemnts
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