diff options
Diffstat (limited to 'library/msgbox.tcl')
| -rw-r--r-- | library/msgbox.tcl | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/library/msgbox.tcl b/library/msgbox.tcl new file mode 100644 index 0000000..07df82b --- /dev/null +++ b/library/msgbox.tcl @@ -0,0 +1,257 @@ +# 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) +} |