proc tk_getOption {w var title text initial args} {
global $var
variable ::tk::Priv
catch {unset $var}
catch {destroy $w}
set focus [focus]
set grab [grab current .]
toplevel $w -bd 1 -relief raised -class TkSDialog
wm title $w $title
wm iconname $w $title
wm protocol $w WM_DELETE_WINDOW {set ::tk::Priv(button) 0}
wm transient $w [winfo toplevel [winfo parent $w]]
set menu [eval tk_optionMenu $w.menu $var $args]
$w.menu configure -width 25
button $w.ok -bd 1 -width 5 -text Ok -default active -command {set ::tk::Priv(button) 1}
button $w.cancel -bd 1 -text Cancel -command {set ::tk::Priv(button) 0}
label $w.label -text $text
if {$text != ""} {grid $w.label -columnspan 2 -sticky ew -padx 3 -pady 3}
grid $w.menu -columnspan 2 -sticky ew -padx 3 -pady 3
grid $w.ok $w.cancel -padx 3 -pady 3
grid rowconfigure $w 2 -weight 1
grid columnconfigure $w {0 1} -uniform 1 -weight 1
bind $w <Return> {set ::tk::Priv(button) 1}
bind $w <Destroy> {set ::tk::Priv(button) 0}
bind $w <Escape> {set ::tk::Priv(button) 0}
if {$initial != ""} {set $var $initial}
wm withdraw $w
update idletasks
set x [expr {[winfo screenwidth $w]/2 - [winfo reqwidth $w]/2 - [winfo vrootx $w]}]
set y [expr {[winfo screenheight $w]/2 - [winfo reqheight $w]/2 - [winfo vrooty $w]}]
wm geom $w +$x+$y
wm deiconify $w
grab $w
tkwait variable ::tk::Priv(button)
bind $w <Destroy> {}
grab release $w
destroy $w
focus -force $focus
if {$grab != ""} {grab $grab}
update idletasks
return $::tk::Priv(button)
}usage:
tk_getOption w var title text prompt start args
w: toplevel name
var: global variable in which the result is stored
title: title of the toplevel
text: text for the prompt over the option menu, may be set to null if you do not wish for a static prompt
initial: set the initial value, this value does not have to be one of the options, and may be null
args: the values that will be selectable in the option menu
usage examples:
tk_getOption .opt result "Option Dialog" "Please choose an option" three one two three four five six
tk_getOption .opt result "Option Dialog" {} "Choose an option" one two three four five six
tk_getOption .opt result "Option Dialog" {} {} one two three four five six--AF 24-06-03