287 lines
9.0 KiB
Ruby
287 lines
9.0 KiB
Ruby
#!/usr/bin/env ruby
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require 'tk'
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class Clock
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def initialize(clock24 = true)
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@clock = (clock24)? 24: 12
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@size = 200
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@cdot_size = 5
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@cdot_color = 'black'
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@hour_hand_color = 'black'
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@minute_hand_color = 'gray25'
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@second_hand_color = 'gray50'
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@mark_font = 'Helvetica -14'
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@mark_width = 3
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@mark_color = 'black'
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@submark_color = 'gray50'
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@c = TkCanvas.new(:width=>2*@size, :height=>2*@size,
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:scrollregion=>[-@size, -@size, @size, @size]
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).pack(:fill=>:both, :expand=>true)
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@tag = TkcTag.new(@c)
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@hand_tag = TkcTag.new(@c)
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@circle_coords = [[-0.9*@size, -0.9*@size], [0.9*@size, 0.9*@size]]
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@oval = TkcOval.new(@c, @circle_coords, :fill=>'white', :tags=>[@tag])
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f = TkFrame.new.pack
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TkLabel.new(f, :text=>'CURRENT:').pack(:side=>:left)
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@now = TkLabel.new(f, :text=>'00:00:00').pack(:side=>:left, :padx=>2)
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TkLabel.new(f, :text=>' ').pack(:side=>:left)
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TkLabel.new(f, :text=>' ').pack(:side=>:right)
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@l = TkLabel.new(f, :text=>'00:00').pack(:side=>:right, :padx=>2)
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TkLabel.new(f, :text=>'MOUSE-POINTER:').pack(:side=>:right)
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cmd = proc{|x, y|
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@l.text = '%02d:%02d' % coords_to_time(@c.canvasx(x), @c.canvasy(y))
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}
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@c.bind('Motion', cmd, '%x %y')
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@tag.bind('Motion', cmd, '%x %y')
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_create_hands
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_create_marks
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timer_proc = proc{
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t = Time.now
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@now.text = '%02d:%02d:%02d' % [t.hour, t.min, t.sec]
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set_hands(t.hour, t.min, t.sec)
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}
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timer_proc.call
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@timer = TkRTTimer.start(100, -1, timer_proc)
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end
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def _create_marks
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@mark_tag = TkcTag.new(@c)
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TkcLine.new(@c, 0, -0.90*@size, 0, -0.85*@size,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, 0.90*@size, 0, 0.85*@size, 0,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, 0, 0.90*@size, 0, 0.85*@size,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, -0.90*@size, 0, -0.85*@size, 0,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcText.new(@c, [0, -0.92*@size], :text=>0,
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:anchor=>'s', :fill=>@mark_color)
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TkcText.new(@c, [0.92*@size, 0], :text=>@clock.div(4),
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:anchor=>'w', :fill=>@mark_color)
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TkcText.new(@c, [0, 0.92*@size], :text=>@clock.div(2),
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:anchor=>'n', :fill=>@mark_color)
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TkcText.new(@c, [-0.92*@size, 0], :text=>@clock.div(4)*3,
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:anchor=>'e', :fill=>@mark_color)
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[30.0, 60.0].each{|angle|
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rad = Math::PI * angle / 180.0
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x_base = @size*Math::sin(rad)
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y_base = @size*Math::cos(rad)
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x1 = 0.90*x_base
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y1 = 0.90*y_base
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x2 = 0.85*x_base
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y2 = 0.85*y_base
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TkcLine.new(@c, x1, y1, x2, y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, x1, -y1, x2, -y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, -x1, y1, -x2, y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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TkcLine.new(@c, -x1, -y1, -x2, -y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@mark_color)
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x3 = 0.92*x_base
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y3 = 0.92*y_base
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if @clock == 24
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dh = angle.to_i/15
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else # @clock == 12
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dh = angle.to_i/30
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end
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TkcText.new(@c, x3, -y3, :text=>dh,
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:anchor=>'sw', :fill=>@mark_color)
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TkcText.new(@c, x3, y3, :text=>@clock.div(2)-dh,
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:anchor=>'nw', :fill=>@mark_color)
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TkcText.new(@c, -x3, y3, :text=>@clock.div(2)+dh,
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:anchor=>'ne', :fill=>@mark_color)
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TkcText.new(@c, -x3, -y3, :text=>@clock-dh,
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:anchor=>'se', :fill=>@mark_color)
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}
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if @clock == 24
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[15.0, 45.0, 75.0].each{|angle|
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rad = Math::PI * angle / 180.0
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x_base = @size*Math::sin(rad)
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y_base = @size*Math::cos(rad)
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x1 = 0.90*x_base
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y1 = 0.90*y_base
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x2 = 0.875*x_base
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y2 = 0.875*y_base
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TkcLine.new(@c, x1, y1, x2, y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@submark_color)
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TkcLine.new(@c, x1, -y1, x2, -y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@submark_color)
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TkcLine.new(@c, -x1, y1, -x2, y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@submark_color)
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TkcLine.new(@c, -x1, -y1, -x2, -y2,
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:tags=>[@tag, @mark_tag],
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:width=>@mark_width, :fill=>@submark_color)
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}
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end
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end
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def _create_hands
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hour_hand_len = 0.55*@size
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minute_hand_len = 0.85*@size
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second_hand_len = 0.88*@size
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hour_hand_width = 1.8*@cdot_size
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minute_hand_width = 1.0*@cdot_size
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second_hand_width = 1 # 0.4*@cdot_size
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@hour_hand_coords = [
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[0, -0.5*@cdot_size],
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[hour_hand_width, -0.5*@cdot_size-hour_hand_width],
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[hour_hand_width, -hour_hand_len+hour_hand_width],
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[0, -hour_hand_len],
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[-hour_hand_width, -hour_hand_len+hour_hand_width],
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[-hour_hand_width, -0.5*@cdot_size-hour_hand_width],
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]
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@minute_hand_coords = [
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[0, -0.5*@cdot_size],
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[minute_hand_width, -0.5*@cdot_size - minute_hand_width],
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[minute_hand_width, -minute_hand_len+minute_hand_width],
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[0, -minute_hand_len],
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[-minute_hand_width, -minute_hand_len+minute_hand_width],
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[-minute_hand_width, -0.5*@cdot_size-minute_hand_width],
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]
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@second_hand_coords = [
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[0, -0.5*@cdot_size],
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[second_hand_width, -0.5*@cdot_size - second_hand_width],
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[second_hand_width, -second_hand_len+second_hand_width],
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[0, -second_hand_len],
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[-second_hand_width, -second_hand_len+second_hand_width],
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[-second_hand_width, -0.5*@cdot_size-second_hand_width],
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]
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@hour_hand = TkcPolygon.new(@c, @hour_hand_coords,
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:tags=>[@tag, @hand_tag],
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:outline=>@hour_hand_color,
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:fill=>@hour_hand_color)
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@minute_hand = TkcPolygon.new(@c, @minute_hand_coords,
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:tags=>[@tag, @hand_tag],
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:outline=>@minute_hand_color,
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:fill=>@minute_hand_color)
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@second_hand = TkcPolygon.new(@c, @second_hand_coords,
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:tags=>[@tag, @hand_tag],
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:outline=>@second_hand_color,
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:fill=>@second_hand_color)
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@center_dot = TkcOval.new(@c,
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[-@cdot_size, -@cdot_size],
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[@cdot_size, @cdot_size],
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:outline=>@cdot_color, :fill=>@cdot_color)
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end
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private :_create_hands
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def _raise_hands
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@hour_hand.raise
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@minute_hand.raise
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@second_hand.raise
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@center_dot.raise
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end
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private :_raise_hands
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def _raise_marks
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@mark_tag.raise
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end
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private :_raise_marks
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def set_hands(hh, mm, ss)
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ss_angle = Math::PI * ss / 30.0
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mm_angle = Math::PI * (mm + ss/60.0) / 30.0
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hh_angle = Math::PI * (hh + (mm + ss/60.0)/60.0) / (@clock.div(2))
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@second_hand.coords = @second_hand_coords.collect{|x, y|
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r = Math::hypot(y, x)
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a = Math::atan2(y, x) + ss_angle
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[Math::cos(a) * r, Math::sin(a) * r]
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}
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@minute_hand.coords = @minute_hand_coords.collect{|x, y|
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r = Math::hypot(y, x)
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a = Math::atan2(y, x) + mm_angle
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[Math::cos(a) * r, Math::sin(a) * r]
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}
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@hour_hand.coords = @hour_hand_coords.collect{|x, y|
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r = Math::hypot(y, x)
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a = Math::atan2(y, x) + hh_angle
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[Math::cos(a) * r, Math::sin(a) * r]
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}
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_raise_hands
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_raise_marks
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end
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def coords_to_time(x, y)
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return ((y < 0)? [0, 0]: [@clock.div(2), 0]) if x == 0
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if @clock == 24
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offset = (x<0&&y<0)? 1800.0: 360.0
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m_half = 720.0
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else # @clock == 12
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offset = (x<0&&y<0)? 900.0: 180.0
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m_half = 360.0
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end
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(offset + m_half*Math.atan2(y,x)/Math::PI).round.divmod(60)
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end
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def create_pie(hh, mm, span, color='red')
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if @clock == 24
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start = 90.0 - (hh*60 + mm)/4.0 # 360.0*(hh*60+mm)/(24*60)
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extent = -span/4.0
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else # @clock == 12
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start = 90.0 - (hh*60 + mm)/2.0 # 360.0*(hh*60+mm)/(12*60)
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extent = -span/2.0
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end
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pie = TkcArc.new(@c, @circle_coords, :tags=>[@tag],
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:outline=>'black', 'fill'=>color,
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:start=>start, :extent=>extent)
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_raise_hands
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_raise_marks
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pie
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end
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end
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sched = Clock.new
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sched.create_pie(0,0, 60) # 60 minutes from 00:00
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sched.create_pie(6,30, 280, 'green') # 280 minutes from 06:30
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sched.create_pie(15,20, 90, 'blue') # 90 minutes from 15:20
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Tk.mainloop
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