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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
#
# menus widget demo (called by 'widget')
#
# toplevel widget
if defined?($menu_demo) && $menu_demo
$menu_demo.destroy
$menu_demo = nil
end
# demo toplevel widget
$menu_demo = TkToplevel.new {|w|
title("File Selection Dialogs")
iconname("menu")
positionWindow(w)
}
base_frame = TkFrame.new($menu_demo).pack(:fill=>:both, :expand=>true)
# menu frame
$menu_frame = TkFrame.new(base_frame, 'relief'=>'raised', 'bd'=>2)
$menu_frame.pack('side'=>'top', 'fill'=>'x')
begin
windowingsystem = Tk.windowingsystem()
rescue
windowingsystem = ""
end
# label
TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left') {
if $tk_platform['platform'] == 'macintosh' ||
windowingsystem == "classic" || windowingsystem == "aqua"
text("This window contains a menubar with cascaded menus. You can invoke entries with an accelerator by typing Command+x, where \"x\" is the character next to the command key symbol. The rightmost menu can be torn off into a palette by dragging outside of its bounds and releasing the mouse.")
else
text("This window contains a menubar with cascaded menus. You can post a menu from the keyboard by typing Alt+x, where \"x\" is the character underlined on the menu. You can then traverse among the menus using the arrow keys. When a menu is posted, you can invoke the current entry by typing space, or you can invoke any entry by typing its underlined character. If a menu entry has an accelerator, you can invoke the entry without posting the menu just by typing the accelerator. The rightmost menu can be torn off into a palette by selecting the first item in the menu.")
end
}.pack('side'=>'top')
# frame
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $menu_demo
$menu_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'menu'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# menu
TkMenubutton.new($menu_frame, 'text'=>'File', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m, 'tearoff'=>false) {|file_menu|
m.configure('menu'=>file_menu)
add('command', 'label'=>'Open...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Open..." entry'})
add('command', 'label'=>'New', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "New" entry'})
add('command', 'label'=>'Save', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save" entry'})
add('command', 'label'=>'Save As...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save As..." entry'})
add('separator')
add('command', 'label'=>'Print Setup...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print Setup..." entry'})
add('command', 'label'=>'Print...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print..." entry'})
add('separator')
add('command', 'label'=>'Dismiss Menus Demo', 'command'=>proc{$menu_demo.destroy})
}
}
if $tk_platform['platform'] == 'macintosh' ||
windowingsystem == "classic" || windowingsystem == "aqua"
modifier = 'Command'
elsif $tk_platform['platform'] == 'windows'
modifier = 'Control'
else
modifier = 'Meta'
end
TkMenubutton.new($menu_frame, 'text'=>'Basic', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m, 'tearoff'=>false) {|basic_menu|
m.configure('menu'=>basic_menu)
add('command', 'label'=>'Long entry that does nothing')
['A','B','C','D','E','F','G'].each{|c|
add('command', 'label'=>"Print letter \"#{c}\"",
'underline'=>14, 'accelerator'=>"Meta+#{c}",
'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
$menu_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
}
}
}
TkMenubutton.new($menu_frame, 'text'=>'Cascades', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m, 'tearoff'=>false) {|cascade_menu|
m.configure('menu'=>cascade_menu)
add('command', 'label'=>'Print hello',
'command'=>proc{print "Hello\n"},
'accelerator'=>"#{modifier}+H", 'underline'=>6)
$menu_demo.bind("#{modifier}-h", proc{print "Hello\n"})
add('command', 'label'=>'Print goodbye',
'command'=>proc{print "Goodbye\n"},
'accelerator'=>"#{modifier}+G", 'underline'=>6)
$menu_demo.bind("#{modifier}-g", proc{print "Goodbye\n"})
TkMenu.new(cascade_menu, 'tearoff'=>false) {|cascade_check|
cascade_menu.add('cascade', 'label'=>'Check buttons',
'menu'=>cascade_check, 'underline'=>0)
oil = TkVariable.new(0)
add('check', 'label'=>'Oil checked', 'variable'=>oil)
trans = TkVariable.new(0)
add('check', 'label'=>'Transmission checked', 'variable'=>trans)
brakes = TkVariable.new(0)
add('check', 'label'=>'Brakes checked', 'variable'=>brakes)
lights = TkVariable.new(0)
add('check', 'label'=>'Lights checked', 'variable'=>lights)
add('separator')
add('command', 'label'=>'Show current values',
'command'=>proc{showVars($menu_demo,
['oil', oil],
['trans', trans],
['brakes', brakes],
['lights', lights])} )
invoke 1
invoke 3
}
TkMenu.new(cascade_menu, 'tearoff'=>false) {|cascade_radio|
cascade_menu.add('cascade', 'label'=>'Radio buttons',
'menu'=>cascade_radio, 'underline'=>0)
pointSize = TkVariable.new
add('radio', 'label'=>'10 point', 'variable'=>pointSize, 'value'=>10)
add('radio', 'label'=>'14 point', 'variable'=>pointSize, 'value'=>14)
add('radio', 'label'=>'18 point', 'variable'=>pointSize, 'value'=>18)
add('radio', 'label'=>'24 point', 'variable'=>pointSize, 'value'=>24)
add('radio', 'label'=>'32 point', 'variable'=>pointSize, 'value'=>32)
add('separator')
style = TkVariable.new
add('radio', 'label'=>'Roman', 'variable'=>style, 'value'=>'roman')
add('radio', 'label'=>'Bold', 'variable'=>style, 'value'=>'bold')
add('radio', 'label'=>'Italic', 'variable'=>style, 'value'=>'italic')
add('separator')
add('command', 'label'=>'Show current values',
'command'=>proc{showVars($menu_demo,
['pointSize', pointSize],
['style', style])} )
invoke 1
invoke 7
}
}
}
TkMenubutton.new($menu_frame, 'text'=>'Icons', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m, 'tearoff'=>false) {|icon_menu|
m.configure('menu'=>icon_menu)
add('command',
'bitmap'=>'@'+[$demo_dir,'..',
'images','pattern.xbm'].join(File::Separator),
'command'=>proc{TkDialog.new('title'=>'Bitmap Menu Entry',
'text'=>'The menu entry you invoked displays a bitmap rather than a text string. Other than this, it is just like any other menu entry.',
'bitmap'=>'', 'default'=>0,
'buttons'=>'Dismiss')} )
['info', 'questhead', 'error'].each{|icon|
add('command', 'bitmap'=>icon,
'command'=>proc{print "You invoked the #{icon} bitmap\n"})
}
}
}
TkMenubutton.new($menu_frame, 'text'=>'More', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m, 'tearoff'=>false) {|more_menu|
m.configure('menu'=>more_menu)
[ 'An entry','Another entry','Does nothing','Does almost nothing',
'Make life meaningful' ].each{|i|
add('command', 'label'=>i,
'command'=>proc{print "You invoked \"#{i}\"\n"})
}
}
}
TkMenubutton.new($menu_frame, 'text'=>'Colors', 'underline'=>0) {|m|
pack('side'=>'left')
TkMenu.new(m) {|colors_menu|
m.configure('menu'=>colors_menu)
['red', 'orange', 'yellow', 'green', 'blue'].each{|c|
add('command', 'label'=>c, 'background'=>c,
'command'=>proc{print "You invoked \"#{c}\"\n"})
}
}
}
|
