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authorrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
committerrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
commit066ea7fd88d49cb456f74da71dbe875e4fc0aabb (patch)
tree8fb30cb152c4dc191be47fa043d2e6f5ea38c7ba /library/msgbox.tcl
parent13242623d2ff3ea02ab6a62bfb48a7dbb5c27e22 (diff)
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+# msgbox.tcl --
+#
+# Implements messageboxes for platforms that do not have native
+# messagebox support.
+#
+# SCCS: @(#) msgbox.tcl 1.8 97/07/28 17:20:01
+#
+# Copyright (c) 1994-1997 Sun Microsystems, Inc.
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+#
+
+
+# tkMessageBox --
+#
+# Pops up a messagebox with an application-supplied message with
+# an icon and a list of buttons. This procedure will be called
+# by tk_messageBox if the platform does not have native
+# messagebox support, or if the particular type of messagebox is
+# not supported natively.
+#
+# This procedure is a private procedure shouldn't be called
+# directly. Call tk_messageBox instead.
+#
+# See the user documentation for details on what tk_messageBox does.
+#
+proc tkMessageBox {args} {
+ global tkPriv tcl_platform
+
+ set w tkPrivMsgBox
+ upvar #0 $w data
+
+ #
+ # The default value of the title is space (" ") not the empty string
+ # because for some window managers, a
+ # wm title .foo ""
+ # causes the window title to be "foo" instead of the empty string.
+ #
+ set specs {
+ {-default "" "" ""}
+ {-icon "" "" "info"}
+ {-message "" "" ""}
+ {-parent "" "" .}
+ {-title "" "" " "}
+ {-type "" "" "ok"}
+ }
+
+ tclParseConfigSpec $w $specs "" $args
+
+ if {[lsearch {info warning error question} $data(-icon)] == -1} {
+ error "invalid icon \"$data(-icon)\", must be error, info, question or warning"
+ }
+ if {$tcl_platform(platform) == "macintosh"} {
+ if {$data(-icon) == "error"} {
+ set data(-icon) "stop"
+ } elseif {$data(-icon) == "warning"} {
+ set data(-icon) "caution"
+ } elseif {$data(-icon) == "info"} {
+ set data(-icon) "note"
+ }
+ }
+
+ if ![winfo exists $data(-parent)] {
+ error "bad window path name \"$data(-parent)\""
+ }
+
+ case $data(-type) {
+ abortretryignore {
+ set buttons {
+ {abort -width 6 -text Abort -under 0}
+ {retry -width 6 -text Retry -under 0}
+ {ignore -width 6 -text Ignore -under 0}
+ }
+ }
+ ok {
+ set buttons {
+ {ok -width 6 -text OK -under 0}
+ }
+ if {$data(-default) == ""} {
+ set data(-default) "ok"
+ }
+ }
+ okcancel {
+ set buttons {
+ {ok -width 6 -text OK -under 0}
+ {cancel -width 6 -text Cancel -under 0}
+ }
+ }
+ retrycancel {
+ set buttons {
+ {retry -width 6 -text Retry -under 0}
+ {cancel -width 6 -text Cancel -under 0}
+ }
+ }
+ yesno {
+ set buttons {
+ {yes -width 6 -text Yes -under 0}
+ {no -width 6 -text No -under 0}
+ }
+ }
+ yesnocancel {
+ set buttons {
+ {yes -width 6 -text Yes -under 0}
+ {no -width 6 -text No -under 0}
+ {cancel -width 6 -text Cancel -under 0}
+ }
+ }
+ default {
+ error "invalid message box type \"$data(-type)\", must be abortretryignore, ok, okcancel, retrycancel, yesno or yesnocancel"
+ }
+ }
+
+ if [string compare $data(-default) ""] {
+ set valid 0
+ foreach btn $buttons {
+ if ![string compare [lindex $btn 0] $data(-default)] {
+ set valid 1
+ break
+ }
+ }
+ if !$valid {
+ error "invalid default button \"$data(-default)\""
+ }
+ }
+
+ # 2. Set the dialog to be a child window of $parent
+ #
+ #
+ if [string compare $data(-parent) .] {
+ set w $data(-parent).__tk__messagebox
+ } else {
+ set w .__tk__messagebox
+ }
+
+ # 3. Create the top-level window and divide it into top
+ # and bottom parts.
+
+ catch {destroy $w}
+ toplevel $w -class Dialog
+ wm title $w $data(-title)
+ wm iconname $w Dialog
+ wm protocol $w WM_DELETE_WINDOW { }
+ wm transient $w $data(-parent)
+ if {$tcl_platform(platform) == "macintosh"} {
+ unsupported1 style $w dBoxProc
+ }
+
+ frame $w.bot
+ pack $w.bot -side bottom -fill both
+ frame $w.top
+ pack $w.top -side top -fill both -expand 1
+ if {$tcl_platform(platform) != "macintosh"} {
+ $w.bot configure -relief raised -bd 1
+ $w.top configure -relief raised -bd 1
+ }
+
+ # 4. Fill the top part with bitmap and message (use the option
+ # database for -wraplength so that it can be overridden by
+ # the caller).
+
+ option add *Dialog.msg.wrapLength 3i widgetDefault
+ label $w.msg -justify left -text $data(-message)
+ catch {$w.msg configure -font \
+ -Adobe-Times-Medium-R-Normal--*-180-*-*-*-*-*-*
+ }
+ pack $w.msg -in $w.top -side right -expand 1 -fill both -padx 3m -pady 3m
+ if {$data(-icon) != ""} {
+ label $w.bitmap -bitmap $data(-icon)
+ pack $w.bitmap -in $w.top -side left -padx 3m -pady 3m
+ }
+
+ # 5. Create a row of buttons at the bottom of the dialog.
+
+ set i 0
+ foreach but $buttons {
+ set name [lindex $but 0]
+ set opts [lrange $but 1 end]
+ if ![string compare $opts {}] {
+ # Capitalize the first letter of $name
+ set capName \
+ [string toupper \
+ [string index $name 0]][string range $name 1 end]
+ set opts [list -text $capName]
+ }
+
+ eval button $w.$name $opts -command [list "set tkPriv(button) $name"]
+
+ if ![string compare $name $data(-default)] {
+ $w.$name configure -default active
+ }
+ pack $w.$name -in $w.bot -side left -expand 1 \
+ -padx 3m -pady 2m
+
+ # create the binding for the key accelerator, based on the underline
+ #
+ set underIdx [$w.$name cget -under]
+ if {$underIdx >= 0} {
+ set key [string index [$w.$name cget -text] $underIdx]
+ bind $w <Alt-[string tolower $key]> "$w.$name invoke"
+ bind $w <Alt-[string toupper $key]> "$w.$name invoke"
+ }
+ incr i
+ }
+
+ # 6. Create a binding for <Return> on the dialog if there is a
+ # default button.
+
+ if [string compare $data(-default) ""] {
+ bind $w <Return> "tkButtonInvoke $w.$data(-default)"
+ }
+
+ # 7. 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
+
+ # 8. Set a grab and claim the focus too.
+
+ set oldFocus [focus]
+ set oldGrab [grab current $w]
+ if {$oldGrab != ""} {
+ set grabStatus [grab status $oldGrab]
+ }
+ grab $w
+ if [string compare $data(-default) ""] {
+ focus $w.$data(-default)
+ } else {
+ focus $w
+ }
+
+ # 9. 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. Finally,
+ # restore any grab that was in effect.
+
+ tkwait variable tkPriv(button)
+ catch {focus $oldFocus}
+ destroy $w
+ if {$oldGrab != ""} {
+ if {$grabStatus == "global"} {
+ grab -global $oldGrab
+ } else {
+ grab $oldGrab
+ }
+ }
+ return $tkPriv(button)
+}