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58 lines
1.8 KiB
Tcl
58 lines
1.8 KiB
Tcl
15 years ago
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# bbox.tcl - Function for handling button box.
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# Copyright (C) 1997 Cygnus Solutions.
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# Written by Tom Tromey <tromey@cygnus.com>.
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# Pass this proc a frame whose children are all buttons. It will put
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# the children into the frame so that they look right on the current
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# platform. On Windows this means that they are all the same width
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# and have a uniform separation. (And currently on Unix it means this
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# same thing, though that might change.)
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proc standard_button_box {frame {horizontal 1}} {
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# This is half the separation we want between the buttons. This
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# number comes from the Windows UI "standards" manual.
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set half_gap 2
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set width 0
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foreach button [winfo children $frame] {
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set bw [winfo reqwidth $button]
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if {$bw > $width} then {
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set width $bw
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}
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}
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incr width $half_gap
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incr width $half_gap
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if {$horizontal} then {
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set i 1
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} else {
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set i 0
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}
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foreach button [winfo children $frame] {
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if {$horizontal} then {
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# We set the size via the grid, and not -width on the button.
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# Why? Because in Tk -width has different units depending on the
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# contents of the button. And worse, the font units don't really
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# make sense when dealing with a proportional font.
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grid $button -row 0 -column $i -sticky ew \
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-padx $half_gap -pady $half_gap
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grid columnconfigure $frame $i -weight 0 -minsize $width
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} else {
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grid $button -column 0 -row $i -sticky new \
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-padx $half_gap -pady $half_gap
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grid rowconfigure $frame $i -weight 0
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}
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incr i
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}
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if {$horizontal} then {
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# Make the empty column 0 suck up all the space.
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grid columnconfigure $frame 0 -weight 1
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} else {
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grid columnconfigure $frame 0 -minsize $width
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# Make the last row suck up all the space.
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incr i -1
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grid rowconfigure $frame $i -weight 1
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}
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}
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