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# icon.rb
#
# This demonstration script creates a toplevel window containing
# buttons that display bitmaps instead of text.
#
# iconic button widget demo (called by 'widget')
#
# toplevel widget
if defined?($icon_demo) && $icon_demo
$icon_demo.destroy
$icon_demo = nil
end
# demo toplevel widget
$icon_demo = TkToplevel.new {|w|
title("Iconic Button Demonstration")
iconname("icon")
positionWindow(w)
}
base_frame = TkFrame.new($icon_demo).pack(:fill=>:both, :expand=>true)
# label
msg = TkLabel.new(base_frame) {
font $font
wraplength '5i'
justify 'left'
text "This window shows three ways of using bitmaps or images in radiobuttons and checkbuttons. On the left are two radiobuttons, each of which displays a bitmap and an indicator. In the middle is a checkbutton that displays a different image depending on whether it is selected or not. On the right is a checkbutton that displays a single bitmap but changes its background color to indicate whether or not it is selected. (This change is visible when the mouse pointer is not directy over the button.)"
}
msg.pack('side'=>'top')
# frame
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $icon_demo
$icon_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'icon'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# image
flagup = \
TkBitmapImage.new('file'=>[$demo_dir,'..',
'images','flagup.xbm'].join(File::Separator),
'maskfile'=>\
[$demo_dir,'..','images','flagup.xbm'].join(File::Separator))
flagdown = \
TkBitmapImage.new('file'=>[$demo_dir,'..',
'images','flagdown.xbm'].join(File::Separator),
'maskfile'=>\
[$demo_dir,'..',
'images','flagdown.xbm'].join(File::Separator))
# create variable
letters = TkVariable.new
# frame
TkFrame.new(base_frame, 'borderwidth'=>10){|w|
TkFrame.new(w) {|f|
# TkRadioButton.new(f){
Tk::RadioButton.new(f){
bitmap '@' + [$demo_dir,'..',
'images','letters.xbm'].join(File::Separator)
variable letters
value 'full'
}.pack('side'=>'top', 'expand'=>'yes')
# TkRadioButton.new(f){
Tk::RadioButton.new(f){
bitmap '@' + [$demo_dir,'..',
'images','noletter.xbm'].join(File::Separator)
variable letters
value 'empty'
}.pack('side'=>'top', 'expand'=>'yes')
}.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'5m')
# TkCheckButton.new(w) {
Tk::CheckButton.new(w) {
image flagdown
selectimage flagup
indicatoron 0
selectcolor self['background']
}.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'5m')
# TkCheckButton.new(w) {
Tk::CheckButton.new(w) {
bitmap '@' + [$demo_dir,'..',
'images','letters.xbm'].join(File::Separator)
indicatoron 0
selectcolor 'SeaGreen1'
}.pack('side'=>'left', 'expand'=>'yes', 'padx'=>'5m')
}.pack('side'=>'top')
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