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# bitmap.rb
#
# This demonstration script creates a toplevel window that displays
# all of Tk's built-in bitmaps.#
# bitmap widget demo (called by 'widget')
#
# bitmapRow --
# Create a row of bitmap items in a window.
#
# Arguments:
# w - The parent window that is to contain the row.
# args - The names of one or more bitmaps, which will be displayed
# in a new row across the bottom of w along with their
# names.
def bitmapRow(w,*args)
TkFrame.new(w){|row|
pack('side'=>'top', 'fill'=>'both')
for bitmap in args
TkFrame.new(row){|base|
pack('side'=>'left', 'fill'=>'both', 'pady'=>'.25c', 'padx'=>'.25c')
TkLabel.new(base, 'text'=>bitmap, 'width'=>9).pack('side'=>'bottom')
TkLabel.new(base, 'bitmap'=>bitmap).pack('side'=>'bottom')
}
end
}
end
# toplevel widget
if defined?($bitmap_demo) && $bitmap_demo
$bitmap_demo.destroy
$bitmap_demo = nil
end
# demo toplevel widget
$bitmap_demo = TkToplevel.new {|w|
title("Bitmap Demonstration")
iconname("bitmap")
positionWindow(w)
}
# label
TkLabel.new($bitmap_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left',
'text'=>"This window displays all of Tk's built-in bitmaps, along with the names you can use for them in Tcl scripts."){
pack('side'=>'top')
}
# frame
$bitmap_buttons = TkFrame.new($bitmap_demo) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $bitmap_demo
$bitmap_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'bitmap'}
}.pack('side'=>'left', 'expand'=>'yes')
}
$bitmap_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# frame
TkFrame.new($bitmap_demo){|f|
bitmapRow(f,'error','gray25','gray50','hourglass')
bitmapRow(f,'info','question','questhead','warning')
pack('side'=>'top', 'expand'=>'yes', 'fill'=>'both')
}
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