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