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# bgerror.tcl --
#
# Implementation of the bgerror procedure. It posts a dialog box with
# the error message and gives the user a chance to see a more detailed
# stack trace, and possible do something more interesting with that
# trace (like save it to a log). This is adapted from work done by
# Donal K. Fellows.
#
# Copyright (c) 1998-2000 by Ajuba Solutions.
# All rights reserved.
#
# RCS: @(#) $Id: bgerror.tcl,v 1.23.2.5 2006/03/11 22:50:51 dkf Exp $
# $Id: bgerror.tcl,v 1.23.2.5 2006/03/11 22:50:51 dkf Exp $
namespace eval ::tk::dialog::error {
namespace import -force ::tk::msgcat::*
namespace export bgerror
option add *ErrorDialog.function.text [mc "Save To Log"] \
widgetDefault
option add *ErrorDialog.function.command [namespace code SaveToLog]
}
proc ::tk::dialog::error::Return {} {
variable button
.bgerrorDialog.ok configure -state active -relief sunken
update idletasks
after 100
set button 0
}
proc ::tk::dialog::error::Details {} {
set w .bgerrorDialog
set caption [option get $w.function text {}]
set command [option get $w.function command {}]
if { ($caption eq "") || ($command eq "") } {
grid forget $w.function
}
lappend command [.bgerrorDialog.top.info.text get 1.0 end-1c]
$w.function configure -text $caption -command $command
grid $w.top.info - -sticky nsew -padx 3m -pady 3m
}
proc ::tk::dialog::error::SaveToLog {text} {
if { $::tcl_platform(platform) eq "windows" } {
set allFiles *.*
} else {
set allFiles *
}
set types [list \
[list [mc "Log Files"] .log] \
[list [mc "Text Files"] .txt] \
[list [mc "All Files"] $allFiles] \
]
set filename [tk_getSaveFile -title [mc "Select Log File"] \
-filetypes $types -defaultextension .log -parent .bgerrorDialog]
if {![string length $filename]} {
return
}
set f [open $filename w]
puts -nonewline $f $text
close $f
}
proc ::tk::dialog::error::Destroy {w} {
if {$w eq ".bgerrorDialog"} {
variable button
set button -1
}
}
# ::tk::dialog::error::bgerror --
# This is the default version of bgerror.
# It tries to execute tkerror, if that fails it posts a dialog box containing
# the error message and gives the user a chance to ask to see a stack
# trace.
# Arguments:
# err - The error message.
proc ::tk::dialog::error::bgerror err {
global errorInfo tcl_platform
variable button
set info $errorInfo
set ret [catch {::tkerror $err} msg];
if {$ret != 1} {return -code $ret $msg}
# Ok the application's tkerror either failed or was not found
# we use the default dialog then :
set windowingsystem [tk windowingsystem]
if {($tcl_platform(platform) eq "macintosh")
|| ($windowingsystem eq "aqua")} {
set ok [mc Ok]
set messageFont system
set textRelief flat
set textHilight 0
} else {
set ok [mc OK]
set messageFont {Times -18}
set textRelief sunken
set textHilight 1
}
# Truncate the message if it is too wide (longer than 30 characacters) or
# too tall (more than 4 newlines). Truncation occurs at the first point at
# which one of those conditions is met.
set displayedErr ""
set lines 0
foreach line [split $err \n] {
if { [string length $line] > 30 } {
append displayedErr "[string range $line 0 29]..."
break
}
if { $lines > 4 } {
append displayedErr "..."
break
} else {
append displayedErr "${line}\n"
}
incr lines
}
set w .bgerrorDialog
set title [mc "Application Error"]
set text [mc {Error: %1$s} $displayedErr]
set buttons [list ok $ok dismiss [mc "Skip Messages"] \
function [mc "Details >>"]]
# 1. Create the top-level window and divide it into top
# and bottom parts.
destroy .bgerrorDialog
toplevel .bgerrorDialog -class ErrorDialog
wm withdraw .bgerrorDialog
wm title .bgerrorDialog $title
wm iconname .bgerrorDialog ErrorDialog
wm protocol .bgerrorDialog WM_DELETE_WINDOW { }
if {($tcl_platform(platform) eq "macintosh")
|| ($windowingsystem eq "aqua")} {
::tk::unsupported::MacWindowStyle style .bgerrorDialog zoomDocProc
}
frame .bgerrorDialog.bot
frame .bgerrorDialog.top
if {$windowingsystem eq "x11"} {
.bgerrorDialog.bot configure -relief raised -bd 1
.bgerrorDialog.top configure -relief raised -bd 1
}
pack .bgerrorDialog.bot -side bottom -fill both
pack .bgerrorDialog.top -side top -fill both -expand 1
set W [frame $w.top.info]
text $W.text \
-bd 2 \
-yscrollcommand [list $W.scroll set]\
-setgrid true \
-width 40 \
-height 10 \
-state normal \
-relief $textRelief \
-highlightthickness $textHilight \
-wrap char
scrollbar $W.scroll -relief sunken -command [list $W.text yview]
pack $W.scroll -side right -fill y
pack $W.text -side left -expand yes -fill both
$W.text insert 0.0 "$err\n$info"
$W.text mark set insert 0.0
bind $W.text <ButtonPress-1> { focus %W }
$W.text configure -state disabled
# 2. Fill the top part with bitmap and message
# Max-width of message is the width of the screen...
set wrapwidth [winfo screenwidth .bgerrorDialog]
# ...minus the width of the icon, padding and a fudge factor for
# the window manager decorations and aesthetics.
set wrapwidth [expr {$wrapwidth-60-[winfo pixels .bgerrorDialog 9m]}]
label .bgerrorDialog.msg -justify left -text $text -font $messageFont \
-wraplength $wrapwidth
if {($tcl_platform(platform) eq "macintosh")
|| ($windowingsystem eq "aqua")} {
# On the Macintosh, use the stop bitmap
label .bgerrorDialog.bitmap -bitmap stop
} else {
# On other platforms, make the error icon
canvas .bgerrorDialog.bitmap -width 32 -height 32 -highlightthickness 0
.bgerrorDialog.bitmap create oval 0 0 31 31 -fill red -outline black
.bgerrorDialog.bitmap create line 9 9 23 23 -fill white -width 4
.bgerrorDialog.bitmap create line 9 23 23 9 -fill white -width 4
}
grid .bgerrorDialog.bitmap .bgerrorDialog.msg \
-in .bgerrorDialog.top \
-row 0 \
-padx 3m \
-pady 3m
grid configure .bgerrorDialog.msg -sticky nsw -padx {0 3m}
grid rowconfigure .bgerrorDialog.top 1 -weight 1
grid columnconfigure .bgerrorDialog.top 1 -weight 1
# 3. Create a row of buttons at the bottom of the dialog.
set i 0
foreach {name caption} $buttons {
button .bgerrorDialog.$name \
-text $caption \
-default normal \
-command [namespace code [list set button $i]]
grid .bgerrorDialog.$name \
-in .bgerrorDialog.bot \
-column $i \
-row 0 \
-sticky ew \
-padx 10
grid columnconfigure .bgerrorDialog.bot $i -weight 1
# We boost the size of some Mac buttons for l&f
if {($tcl_platform(platform) eq "macintosh")
|| ($windowingsystem eq "aqua")} {
if {($name eq "ok") || ($name eq "dismiss")} {
grid columnconfigure .bgerrorDialog.bot $i -minsize 79
}
}
incr i
}
# The "OK" button is the default for this dialog.
.bgerrorDialog.ok configure -default active
bind .bgerrorDialog <Return> [namespace code Return]
bind .bgerrorDialog <Destroy> [namespace code [list Destroy %W]]
.bgerrorDialog.function configure -command [namespace code Details]
# 6. Update all the geometry information so we know how big it wants
# to be, then center the window in the display and deiconify it.
::tk::PlaceWindow .bgerrorDialog
# 7. Ensure that we are topmost.
raise .bgerrorDialog
if {$tcl_platform(platform) eq "windows"} {
# Place it topmost if we aren't at the top of the stacking
# order to ensure that it's seen
if {[lindex [wm stackorder .] end] ne ".bgerrorDialog"} {
wm attributes .bgerrorDialog -topmost 1
}
}
# 8. Set a grab and claim the focus too.
::tk::SetFocusGrab .bgerrorDialog .bgerrorDialog.ok
# 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.
vwait [namespace which -variable button]
set copy $button; # Save a copy...
::tk::RestoreFocusGrab .bgerrorDialog .bgerrorDialog.ok destroy
if {$copy == 1} {
return -code break
}
}
namespace eval :: {
# Fool the indexer
proc bgerror err {}
rename bgerror {}
namespace import ::tk::dialog::error::bgerror
}
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