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### Copyright (C) 1995-1997 Jesper K. Pedersen
### This program is free software; you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 2 of the License, or
### (at your option) any later version.
###
### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with this program; if not, write to the Free Software
### Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
### This file is based on dialog.tcl from the standard Tk4.0 distribution.
proc tk_dialog {w title text bitmap default args} {
global tkPriv
# 1. Create the top-level window and divide it into top
# and bottom parts.
catch {destroy $w}
toplevel $w -class Dialog
wm title $w $title
wm iconname $w Dialog
wm protocol $w WM_DELETE_WINDOW { }
wm transient $w [winfo toplevel [winfo parent $w]]
frame $w.top -relief raised -bd 1
pack $w.top -side top -fill both
frame $w.bot -relief raised -bd 1
pack $w.bot -side bottom -fill both
# 2. Fill the top part with bitmap and message.
label $w.msg -wraplength 3i -justify left -text $text \
-font -Adobe-Times-Medium-R-Normal--*-180-*-*-*-*-*-*
pack $w.msg -in $w.top -side right -expand 1 -fill both -padx 3m -pady 3m
if {$bitmap != ""} {
label $w.bitmap -bitmap $bitmap
pack $w.bitmap -in $w.top -side left -padx 3m -pady 3m
}
# 3. Create a row of buttons at the bottom of the dialog.
set i 0
foreach but $args {
button $w.button$i -text $but -command "set tkPriv(button) $i"
if {$i == $default} {
frame $w.default -relief sunken -bd 1
raise $w.button$i $w.default
pack $w.default -in $w.bot -side left -expand 1 -padx 3m -pady 2m
pack $w.button$i -in $w.default -padx 2m -pady 2m
bind $w <Return> "$w.button$i flash; set tkPriv(button) $i"
} else {
pack $w.button$i -in $w.bot -side left -expand 1 \
-padx 3m -pady 2m
}
incr i
}
# 4. Withdraw the window, then update all the geometry information
# so we know how big it wants to be, then center the window in the
# display and de-iconify it.
wm withdraw $w
update idletasks
set x [expr [winfo screenwidth $w]/2 - [winfo reqwidth $w]/2 \
- [winfo vrootx [winfo parent $w]]]
set y [expr [winfo screenheight $w]/2 - [winfo reqheight $w]/2 \
- [winfo vrooty [winfo parent $w]]]
wm geom $w +$x+$y
wm deiconify $w
# 5. Set a grab and claim the focus too.
set oldFocus [focus]
set count 0
pushGrab local $w
tkwait visibility $w
if {$default >= 0} {
focus $w.button$default
} else {
focus $w
}
# 6. Wait for the user to respond, then restore the focus and
# return the index of the selected button. Restore the focus
# before deleting the window, since otherwise the window manager
# may take the focus away so we can't redirect it.
tkwait variable tkPriv(button)
catch {focus $oldFocus}
catch "destroy $w"
popGrab
return $tkPriv(button)
}
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