1# label.rb
2#
3# This demonstration script creates a toplevel window containing
4# several label widgets.
5#
6# label widget demo (called by 'widget')
7#
8
9# toplevel widget
10if defined?($label_demo) && $label_demo
11  $label_demo.destroy
12  $label_demo = nil
13end
14
15# demo toplevel widget
16$label_demo = TkToplevel.new {|w|
17  title("Label Demonstration")
18  iconname("label")
19  positionWindow(w)
20}
21
22base_frame = TkFrame.new($label_demo).pack(:fill=>:both, :expand=>true)
23
24# label
25msg = TkLabel.new(base_frame) {
26  font $font
27  wraplength '4i'
28  justify 'left'
29  text "Five labels are displayed below: three textual ones on the left, and a bitmap label and a text label on the right.  Labels are pretty boring because you can't do anything with them."
30}
31msg.pack('side'=>'top')
32
33# frame
34TkFrame.new(base_frame) {|frame|
35  TkButton.new(frame) {
36    text 'Dismiss'
37    command proc{
38      tmppath = $label_demo
39      $label_demo = nil
40      tmppath.destroy
41    }
42  }.pack('side'=>'left', 'expand'=>'yes')
43
44  TkButton.new(frame) {
45    text 'See Code'
46    command proc{showCode 'label'}
47  }.pack('side'=>'left', 'expand'=>'yes')
48
49}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
50
51# label demo
52f_left = TkFrame.new(base_frame)
53f_right = TkFrame.new(base_frame)
54[f_left, f_right].each{|w| w.pack('side'=>'left', 'expand'=>'yes',
55                                  'padx'=>10, 'pady'=>10, 'fill'=>'both')}
56
57# label
58[ TkLabel.new(f_left, 'text'=>'First label'),
59  TkLabel.new(f_left, 'text'=>'Second label, raised',
60              'relief'=>'raised'),
61  TkLabel.new(f_left, 'text'=>'Third label, sunken', 'relief'=>'sunken')
62].each{|w| w.pack('side'=>'top', 'expand'=>'yes', 'pady'=>2, 'anchor'=>'w')}
63
64# TkLabel.new(f_right) {
65Tk::Label.new(f_right) {
66  bitmap('@' + [$demo_dir,'..','images','face.xbm'].join(File::Separator))
67  borderwidth 2
68  relief 'sunken'
69}.pack('side'=>'top')
70
71TkLabel.new(f_right) { text 'Tcl/Tk Proprietor' }.pack('side'=>'top')
72
73