rename setenv and unsetenv to not clash with functions provided by libc

[micropolis] / src / tk / library / demos / mkEntry.tcl

# mkEntry w
#
# Create a top-level window that displays a bunch of entries.
#
# Arguments:
#    w -	Name to use for new top-level window.

proc mkEntry {{w .e1}} {
    catch {destroy $w}
    toplevel $w
    dpos $w
    wm title $w "Entry Demonstration"
    wm iconname $w "Entries"
    message $w.msg -font -Adobe-times-medium-r-normal--*-180* -aspect 200 \
	    -text "Three different entries are displayed below.  You can add characters by pointing, clicking and typing.  You can delete by selecting and typing Control-d.  Backspace, Control-h, and Delete may be typed to erase the character just before the insertion point, Control-W erases the word just before the insertion point, and Control-u clears the entry.  For entries that are too large to fit in the window all at once, you can scan through the entries by dragging with mouse button 2 pressed.  Click the \"OK\" button when you've seen enough."
    frame $w.frame -borderwidth 10
    pack append $w.frame \
	[entry $w.frame.e1 -relief sunken] {top pady 10 fillx} \
	[entry $w.frame.e2 -relief sunken] {top pady 10 fillx} \
	[entry $w.frame.e3 -relief sunken] {top pady 10 fillx}
    $w.frame.e1 insert 0 "Initial value"
    $w.frame.e2 insert end "This entry contains a long value, much too long "
    $w.frame.e2 insert end "to fit in the window at one time, so long in fact "
    $w.frame.e2 insert end "that you'll have to scan or scroll to see the end."
    button $w.ok -text OK -command "destroy $w"

    pack append $w $w.msg {top fill} $w.frame {top expand fill} \
	$w.ok {bottom fill}
}