* add or modify some widget demo scripts

* (bug fix) TkGrid failed to treat RELATIVE PLACEMENT


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4291 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 106 insertions, 0 deletions

diff --git a/ext/tk/sample/demos-en/radio2.rb b/ext/tk/sample/demos-en/radio2.rb
new file mode 100644
index 0000000000..aefd81bdca
--- /dev/null
+++ b/ext/tk/sample/demos-en/radio2.rb
@@ -0,0 +1,106 @@
+# radio.rb
+#
+# This demonstration script creates a toplevel window containing
+# several radiobutton widgets.
+#
+# radiobutton widget demo (called by 'widget')
+#
+
+# toplevel widget
+if defined?($radio2_demo) && $radio2_demo
+  $radio2_demo.destroy 
+  $radio2_demo = nil
+end
+
+# demo toplevel widget
+$radio2_demo = TkToplevel.new {|w|
+  title("Radiobutton Demonstration")
+  iconname("radio")
+  positionWindow(w)
+}
+
+# label 
+msg = TkLabel.new($radio2_demo) {
+  font $font
+  wraplength '5i'
+  justify 'left'
+  text "Three groups of radiobuttons are displayed below.  If you click on a button then the button will become selected exclusively among all the buttons in its group.  A Tcl variable is associated with each group to indicate which of the group's buttons is selected.  Click the \"See Variables\" button to see the current values of the variables."
+}
+msg.pack('side'=>'top')
+
+# 
+size = TkVariable.new
+color = TkVariable.new
+align = TkVariable.new
+
+# frame 
+TkFrame.new($radio2_demo) {|frame|
+  TkButton.new(frame) {
+    text 'Dismiss'
+    command proc{
+      tmppath = $radio2_demo
+      $radio2_demo = nil
+      $showVarsWin[tmppath.path] = nil
+      tmppath.destroy
+    }
+  }.pack('side'=>'left', 'expand'=>'yes')
+
+  TkButton.new(frame) {
+    text 'Show Code'
+    command proc{showCode 'radio'}
+  }.pack('side'=>'left', 'expand'=>'yes')
+
+  TkButton.new(frame) {
+    text 'See Variables'
+    command proc{
+      showVars($radio2_demo, 
+	       ['size', size], ['color', color], ['compound', align])
+    }
+  }.pack('side'=>'left', 'expand'=>'yes')
+}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
+
+# frame 
+f_left  = TkLabelFrame.new($radio2_demo, 'text'=>'Point Size', 
+			   'pady'=>2, 'padx'=>2)
+f_mid   = TkLabelFrame.new($radio2_demo, 'text'=>'Color', 
+			   'pady'=>2, 'padx'=>2)
+f_right = TkLabelFrame.new($radio2_demo, 'text'=>'Alignment', 
+			   'pady'=>2, 'padx'=>2)
+f_left.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'.5c', 'pady'=>'.5c')
+f_mid.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'.5c', 'pady'=>'.5c')
+f_right.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'.5c', 'pady'=>'.5c')
+
+# radiobutton 
+[10, 12, 18, 24].each {|sz|
+  TkRadioButton.new(f_left) {
+    text "Point Size #{sz}"
+    variable size
+    relief 'flat'
+    value sz
+  }.pack('side'=>'top', 'pady'=>2, 'anchor'=>'w', 'fill'=>'x')
+}
+
+['Red', 'Green', 'Blue', 'Yellow', 'Orange', 'Purple'].each {|col|
+  TkRadioButton.new(f_mid) {
+    text col
+    variable color
+    relief 'flat'
+    value col.downcase
+    anchor 'w'
+  }.pack('side'=>'top', 'pady'=>2, 'fill'=>'x')
+}
+
+label = TkLabel.new(f_right, 'text'=>'Label', 'bitmap'=>'questhead', 
+		    'compound'=>'left')
+label.configure('width'=>TkWinfo.reqwidth(label), 'compound'=>'top')
+label.height(TkWinfo.reqheight(label))
+abtn = ['Top', 'Left', 'Right', 'Bottom'].collect{|a|
+  lower = a.downcase
+  TkRadioButton.new(f_right, 'text'=>a, 'variable'=>align, 'relief'=>'flat', 
+		    'value'=>lower, 'indicatoron'=>0, 'width'=>7, 
+		    'command'=>proc{label.compound(align.value)})
+}
+
+Tk.grid('x', abtn[0])
+Tk.grid(abtn[1], label, abtn[2])
+Tk.grid('x', abtn[3])