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# menubutton.rb
#
# This demonstration script creates a window with a bunch of menus
# and cascaded menus using menubuttons.
require "tkcanvas"
def optionMenu(menubutton, varName, firstValue, *rest)
varName.value = firstValue
configoptions = {'textvariable'=>varName,'indicatoron'=>'on',
'relief'=>'raised','borderwidth'=>2,'highlightthickness'=>2,
'anchor'=>'c','direction'=>'flush'}
configoptions.each {|key, value|
menubutton.configure(key, value)
}
menu = TkMenu.new(menubutton) {
tearoff 'off'
add 'radio', 'label'=>firstValue, 'variable'=>varName
}
menubutton.menu(menu)
for i in rest
menu.add 'radio', 'label'=>i, 'variable'=>varName
end
return menu
end
if defined?($menubu_demo) && $menubu_demo
$menubu_demo.destroy
$menubu_demo = nil
end
$menubu_demo = TkToplevel.new {|w|
title("Menu Button Demonstration")
iconname("menubutton")
}
positionWindow($menubu_demo)
base_frame = TkFrame.new($menubu_demo).pack(:fill=>:both, :expand=>true)
# version check
if $tk_version.to_f < 8.0
# label
TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left') {
text("This is a demonstration of menubuttons. The \"Below\" menubutton pops its menu below the button; the \"Right\" button pops to the right, etc. There are two option menus directly below this text; one is just a standard menu and the other is a 16-color palette.")
}.pack('side'=>'top')
# frame
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $menubu_demo
$menubu_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'menubu'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
else ; # Tk8.x
body = TkFrame.new(base_frame)
body.pack('expand'=>'yes', 'fill'=>'both')
below = TkMenubutton.new(body) {
text "Below"
underline 0
direction 'below'
relief 'raised'
}
belowMenu = TkMenu.new(below) {
tearoff 0
add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
}
below.menu(belowMenu)
below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
below = TkMenubutton.new(body) {
text "Below"
underline 0
direction 'below'
relief 'raised'
}
belowMenu = TkMenu.new(below) {
tearoff 0
add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
}
below.menu(belowMenu)
below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
below = TkMenubutton.new(body) {
text "Below"
underline 0
direction 'below'
relief 'raised'
}
belowMenu = TkMenu.new(below) {
tearoff 0
add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
}
below.menu(belowMenu)
below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
right = TkMenubutton.new(body) {
text "Right"
underline 0
direction 'right'
relief 'raised'
}
rightMenu = TkMenu.new(right) {
tearoff 0
add 'command', 'label'=>"Right menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Left menu.\""}
add 'command', 'label'=>"Right menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Right menu.\""}
}
right.menu(rightMenu)
right.grid('row'=>1, 'column'=>0, 'sticky'=>'w')
left = TkMenubutton.new(body) {
text "Left"
underline 0
direction 'left'
relief 'raised'
}
leftMenu = TkMenu.new(left) {
tearoff 0
add 'command', 'label'=>"Left menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Left menu.\""}
add 'command', 'label'=>"Left menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Left menu.\""}
}
left.menu(leftMenu)
left.grid('row'=>1, 'column'=>2, 'sticky'=>'e')
center = TkFrame.new(body) {
grid('row'=>1, 'column'=>1, 'sticky'=>'news')
}
above = TkMenubutton.new(body) {
text "Above"
underline 0
direction 'above'
relief 'raised'
}
aboveMenu = TkMenu.new(above) {
tearoff 0
add 'command', 'label'=>"Above menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Above menu.\""}
add 'command', 'label'=>"Above menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Above menu.\""}
}
above.menu(aboveMenu)
above.grid('row'=>2, 'column'=>1, 'sticky'=>'s')
center = TkFrame.new(body) {
grid('row'=>1, 'column'=>1, 'sticky'=>'news')
}
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc {
tmppath = $menubu_demo
$menubu_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc { showCode 'menubu' }
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'expand'=>'yes', 'fill'=>'x', 'pady'=>'2m')
msg = TkLabel.new(center) {
# font $font
wraplength '4i'
justify 'left'
text "This is a demonstration of menubuttons. The \"Below\" menubutton pops its menu below the button; the \"Right\" button pops to the right, etc. There are two option menus directly below this text; one is just a standard menu and the other is a 16-color palette."
}
msg.pack('side'=>'top', 'padx'=>25, 'pady'=>25)
TkFrame.new(center) {|f|
menubuttonoptions = TkVariable.new
mbutton = TkMenubutton.new(f)
options = optionMenu(mbutton, menubuttonoptions,
'one', 'two', 'three')
mbutton.pack('side'=>'left', 'padx'=>25, 'pady'=>25)
paletteColor = TkVariable.new
colors = ['Black','red4','DarkGreen','NavyBlue', 'gray75',
'Red','Green','Blue','gray50','Yellow','Cyan','Magenta',
'White','Brown','DarkSeaGreen','DarkViolet']
colorMenuButton = TkMenubutton.new(f)
m = optionMenu(colorMenuButton, paletteColor, *colors)
begin
windowingsystem = Tk.windowingsystem()
rescue
windowingsystem = ""
end
if windowingsystem == "classic" || windowingsystem == "aqua"
topBorderColor = 'Black'
bottomBorderColor = 'Black'
else
topBorderColor = 'gray50'
bottomBorderColor = 'gray75'
end
for i in 0..15
image = TkPhotoImage.new('height'=>16, 'width'=>16)
image.put(topBorderColor, 0, 0, 16, 1)
image.put(topBorderColor, 0, 1, 1, 16)
image.put(bottomBorderColor, 0, 15, 16, 16)
image.put(bottomBorderColor, 15, 1, 16, 16)
image.put(colors[i], 1, 1, 15, 15)
selectimage = TkPhotoImage.new('height'=>16, 'width'=>16)
selectimage.put('Black', 0, 0, 16, 2)
selectimage.put('Black', 0, 2, 2, 16)
selectimage.put('Black', 2, 14, 16, 16)
selectimage.put('Black', 14, 2, 16, 14)
selectimage.put(colors[i], 2, 2, 14, 14)
m.entryconfigure(i, 'image'=>image, 'selectimage'=>selectimage, 'hidemargin'=>'on')
end
m.configure('tearoff', 'on')
for c in ['Black', 'gray75', 'gray50', 'White']
m.entryconfigure(c, 'columnbreak'=>1)
end
colorMenuButton.pack('side'=>'left', 'padx'=>25, 'pady'=>25)
pack 'padx'=>25, 'pady'=>25
}
end ; # Tk8.x
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