* ext/tk/lib/tcltklib : bug fix

* ext/tk/lib/tk : bug fix and add Tcl/Tk extension support libraries


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6559 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 358 insertions, 0 deletions

diff --git a/ext/tk/sample/tkextlib/tcllib/datefield.rb b/ext/tk/sample/tkextlib/tcllib/datefield.rb
new file mode 100644
index 0000000000..1b0a29c0b9
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/datefield.rb
@@ -0,0 +1,29 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/datefield'
+require 'parsedate'
+
+Tk.root.title('Datefield example')
+
+
+my_date1 = TkVariable.new
+my_date2 = TkVariable.new
+my_date1.trace('w'){
+  begin
+    t = Time.local(*(ParseDate.parsedate(my_date1.value)))
+    my_date2.value = t.strftime('%A')
+  rescue
+    # ignore error
+  end
+}
+
+df = Tk::Tcllib::Datefield.new(:textvariable=>my_date1)
+Tk.grid(TkLabel.new(:text=>'Enter a date:', :anchor=>:e), df, :sticky=>:ew)
+Tk.grid(TkLabel.new(:text=>'That date ia a:', :anchor=>:e), 
+	TkLabel.new(:textvariable=>my_date2, :relief=>:sunken, :width=>12), 
+	:sticky=>:ew)
+
+df.set_focus
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/tcllib/plotdemos1.rb b/ext/tk/sample/tkextlib/tcllib/plotdemos1.rb
new file mode 100644
index 0000000000..6077d8ab2c
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/plotdemos1.rb
@@ -0,0 +1,158 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+###############################
+
+c1 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+c2 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+c3 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+Tk.pack(c1,c2,c3, :fill=>:both, :side=>:top)
+
+h = TkToplevel.new(:title=>'h')
+hc1 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
+hc2 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
+Tk.pack(hc1,hc2, :fill=>:both, :side=>:top)
+
+v = TkToplevel.new(:title=>'v')
+vc1 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+vc2 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+vc3 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+Tk.pack(vc1,vc2,vc3, :fill=>:both, :side=>:top)
+
+###############################
+
+s = Tk::Tcllib::Plotchart::XYPlot.new(c1, [0.0, 100.0, 10.0], 
+				          [0.0, 100.0, 20.0])
+
+
+xd =    5.0
+yd =   20.0
+xold =  0.0
+yold = 50.0
+
+s.dataconfig('series1', :color=>'red')
+
+(0..19).each{|i|
+  xnew = xold + xd
+  ynew = yold + (rand() - 0.5) * yd
+  ynew2 = yold + (rand() - 0.5) * 2.0 * yd
+  s.plot('series1', xnew, ynew)
+  s.plot('series2', xnew, ynew2)
+  xold = xnew
+  yold = ynew
+}
+
+s.xtext "X-coordinate"
+s.ytext "Y-data"
+s.title "Aha!"
+
+c1.wait_visibility
+
+s.save_plot "aha.ps"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Piechart.new(c2)
+
+s.plot([ ["Long names", 10], ["Short names", 30], 
+	 ["Average", 40],    ["Ultra-short names", 5] ])
+
+#
+# Note: title should be shifted up
+#       - distinguish a separate title area
+#
+s.title "Okay - this works"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::PolarPlot.new(c3, [3.0, 1.0])
+
+0.step(359, 10){|angle|
+  rad = 1.0+Math.cos(angle*Math::PI/180.0)
+  s.plot('cardioid', rad, angle)
+}
+
+s.title "Cardioid"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Barchart.new(hc1, %w(A B C D E), 
+					[0.0, 10.0, 2.0], 2)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Arbitrary data"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Barchart.new(hc2, %w(A B C D E), 
+					[0.0, 20.0, 5.0], :stacked)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Stacked diagram"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc1, [0.0, 10.0, 2.0], 
+						  %w(A B C D E), 2)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Arbitrary data"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc2, [0.0, 20.0, 5.0], 
+						  %w(A B C D E), :stacked)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Stacked diagram"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Timechart.new(vc3, "1 january 2004", 
+					      "31 december 2004", 4)
+
+s.period("Spring", "1 march 2004", "1 june 2004", 'green')
+s.period("Summer", "1 june 2004", "1 september 2004", 'yellow')
+s.vertline("1 jan", "1 january 2004")
+s.vertline("1 apr", "1 april 2004")
+s.vertline("1 jul", "1 july 2004")
+s.vertline("1 oct", "1 october 2004")
+s.milestone("Longest day", "21 july 2004")
+s.title "Seasons (northern hemisphere)"
+
+###############################
+
+z = TkToplevel.new(:title=>'3D')
+
+zc1 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>300)
+zc2 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>250)
+Tk.pack(zc1,zc2)
+
+s = Tk::Tcllib::Plotchart::Plot3D.new(zc1, 
+				      [0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
+
+s.title "3D Plot"
+s.plot_function{|x, y|
+  # cowboyhat
+  x1 = x.to_f/9.0
+  y1 = y.to_f/9.0
+  3.0 * (1.0-(x1*x1+y1*y1))*(1.0-(x1*x1+y1*y1))
+}
+
+s = Tk::Tcllib::Plotchart::Plot3D.new(zc2, 
+				      [0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
+s.title "3D Plot - data "
+s.colour("green", "black")
+s.plot_data([ [1.0, 2.0, 1.0, 0.0], 
+	      [1.1, 3.0, 1.1, -0.5], 
+	      [3.0, 1.0, 4.0, 5.0] ])
+
+###############################
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/tcllib/plotdemos2.rb b/ext/tk/sample/tkextlib/tcllib/plotdemos2.rb
new file mode 100644
index 0000000000..3fd57f3804
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/plotdemos2.rb
@@ -0,0 +1,71 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+###############################
+
+c1 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+c2 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+Tk.pack(c1,c2, :fill=>:both, :side=>:top)
+
+###############################
+# Set up a strip chart
+###############################
+slipchart = Tk::Tcllib::Plotchart::Stripchart.new(c1, [0.0, 100.0, 10.0], 
+						      [0.0, 100.0, 20.0])
+
+TkTimer.new(500, -1, proc{|obj| # obj --> TkTimer object
+	      slipchart, xold, xd, yold, yd = obj.return_value
+	      xnew = xold + xd
+	      ynew = yold + (rand() - 0.5) * yd
+	      ynew2 = yold + (rand() - 0.5) * 2.0 * yd
+	      slipchart.plot('series1', xnew, ynew)
+	      slipchart.plot('series2', xnew, ynew2)
+	      obj.stop if xnew >= 200
+	      [slipchart, xnew, xd, ynew, yd] # return_value
+	    }).start(100, proc{
+		       # init return_value
+		       [slipchart, 0.0, 15.0, 50.0, 30.0]
+		     })
+
+slipchart.title "Aha!"
+
+###############################
+# Set up an isometric plot
+###############################
+s = Tk::Tcllib::Plotchart::IsometricPlot.new(c2, [0.0, 100.0], [0.0, 200.0], 
+					     :noaxes)
+
+s.set_zoom_pan
+
+s.plot('rectangle',        [10.0, 10.0, 50.0, 50.0], 'green')
+s.plot('filled-rectangle', [20.0, 20.0, 40.0, 40.0], 'red')
+s.plot('filled-circle',    [70.0, 70.0, 40.0], 'yellow')
+s.plot('circle',           [70.0, 70.0, 42.0])
+
+###############################
+# Check the symbols
+###############################
+h = TkToplevel.new(:title=>'h')
+c = TkCanvas.new(h, :bg=>'white', :width=>400, :height=>200).pack(:fill=>:both)
+
+s = Tk::Tcllib::Plotchart::XYPlot.new(c, [0.0, 100.0, 10.0], 
+				         [0.0, 100.0, 20.0]) 
+s.dataconfig('series1', :colour=>'red',   :type=>:symbol)
+s.dataconfig('series2', :colour=>'green', :type=>:both)
+
+s.yconfig(:format=>"%12.2e")
+
+x = 5.0
+%w(plus cross circle up down dot upfilled downfilled).each{|sym|
+  s.dataconfig('series1', :symbol=>sym)
+  s.dataconfig('series2', :symbol=>sym)
+  s.plot('series1', x, 50.0)
+  s.plot('series2', x, 20)
+  x += 10
+}
+
+##############################
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb b/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb
new file mode 100644
index 0000000000..3b74b1f592
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb
@@ -0,0 +1,83 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+###############################
+# Set up a strip chart
+###############################
+
+Tk::Tcllib::Plotchart::Stripchart.new([0.0, 100.0, 10.0], 
+				      [0.0, 100.0, 20.0], 
+				      :background=>'white', 
+				      :width=>400, :height=>200){|chart|
+  title "Aha!"
+  pack(:fill=>:both, :side=>:top)
+
+  series1 = Tk::Tcllib::Plotchart::PlotSeries.new(chart)
+  series2 = Tk::Tcllib::Plotchart::PlotSeries.new(chart)
+
+  xd = 15.0
+  yd = 30.0
+
+  TkTimer.new(500, -1, proc{|obj| # obj --> TkTimer object
+		xold, yold = obj.return_value
+		xnew = xold + xd
+		ynew = yold + (rand() - 0.5) * yd
+		ynew2 = yold + (rand() - 0.5) * 2.0 * yd
+
+		series1.plot(xnew, ynew)
+		series2.plot(xnew, ynew2)
+
+		obj.stop if xnew >= 200
+
+		[xnew, ynew] # return_value
+	      }).start(100, proc{ [0.0, 50.0] }) # init return_value
+}
+
+###############################
+# Set up an isometric plot
+###############################
+Tk::Tcllib::Plotchart::IsometricPlot.new([0.0, 100.0], [0.0, 200.0], :noaxes, 
+					 :background=>'white', 
+					 :width=>400, :height=>200){|chart|
+  pack(:fill=>:both, :side=>:top)
+  set_zoom_pan
+
+  chart.plot('rectangle',        [10.0, 10.0, 50.0, 50.0], 'green')
+  chart.plot('filled-rectangle', [20.0, 20.0, 40.0, 40.0], 'red')
+  chart.plot('filled-circle',    [70.0, 70.0, 40.0], 'yellow')
+  chart.plot('circle',           [70.0, 70.0, 42.0])
+}
+
+###############################
+# Check the symbols
+###############################
+TkToplevel.new(:title=>'h'){|h|
+  Tk::Tcllib::Plotchart::XYPlot.new(h, [0.0, 100.0, 10.0], 
+				       [0.0, 100.0, 20.0], 
+				    :bg=>'white', 
+				    :width=>400, :height=>200){|chart|
+    pack(:fill=>:both)
+
+    yconfig(:format=>"%12.2e")
+
+    series1 = Tk::Tcllib::Plotchart::PlotSeries.new(chart, :colour=>'red', 
+						    :type=>:symbol)
+    series2 = Tk::Tcllib::Plotchart::PlotSeries.new(chart, :colour=>'green', 
+						    :type=>:both)
+
+    x = 5.0
+    %w(plus cross circle up down dot upfilled downfilled).each{|sym|
+      series1.dataconfig(:symbol=>sym)
+      series2.dataconfig(:symbol=>sym)
+      series1.plot(x, 50.0)
+      series2.plot(x, 20)
+      x += 10
+    }
+  }
+}
+
+##############################
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/tcllib/xyplot.rb b/ext/tk/sample/tkextlib/tcllib/xyplot.rb
new file mode 100644
index 0000000000..116609e34f
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/xyplot.rb
@@ -0,0 +1,17 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+TkCanvas.new(:background=>'white', :width=>400, :height=>200){|c|
+  pack(:fill=>:both)
+  Tk::Tcllib::Plotchart::XYPlot.new(c, [0.0, 100.0, 10.0], 
+				       [0.0, 100.0, 20.0]){
+    [ [0.0, 32.0], [10.0, 50.0], [25.0, 60.0], [78.0, 11.0] ].each{|x, y|
+      plot('series1', x, y)
+    }
+    title("Data series")
+  }
+}
+
+Tk.mainloop