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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. # Copyright (c) 2007 by ActiveState Software Inc. # Copyright (c) 2007 Daniel A. Steffen <das@users.sourceforge.net> 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] option add *ErrorDialog*Label.font TkCaptionFont widgetDefault if {[tk windowingsystem] eq "aqua"} { option add *ErrorDialog*background systemAlertBackgroundActive \ widgetDefault option add *ErrorDialog*info.text.background white widgetDefault option add *ErrorDialog*Button.highlightBackground \ systemAlertBackgroundActive widgetDefault } } 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 $w.function } lappend command [$w.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 $msg} # Ok the application's tkerror either failed or was not found # we use the default dialog then : set windowingsystem [tk windowingsystem] if {$windowingsystem eq "aqua"} { set ok [mc Ok] } else { set ok [mc OK] } # Truncate the message if it is too wide (>maxLine characters) or # too tall (>4 lines). Truncation occurs at the first point at # which one of those conditions is met. set displayedErr "" set lines 0 set maxLine 45 foreach line [split $err \n] { if { [string length $line] > $maxLine } { append displayedErr "[string range $line 0 [expr {$maxLine-3}]]..." break } if { $lines > 4 } { append displayedErr "..." break } else { append displayedErr "${line}\n" } incr lines } 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. set dlg .bgerrorDialog destroy $dlg toplevel $dlg -class ErrorDialog wm withdraw $dlg wm title $dlg $title wm iconname $dlg ErrorDialog wm protocol $dlg WM_DELETE_WINDOW { } if {$windowingsystem eq "aqua"} { ::tk::unsupported::MacWindowStyle style $dlg moveableAlert {} } elseif {$windowingsystem eq "x11"} { wm attributes $dlg -type dialog } frame $dlg.bot frame $dlg.top if {$windowingsystem eq "x11"} { $dlg.bot configure -relief raised -bd 1 $dlg.top configure -relief raised -bd 1 } pack $dlg.bot -side bottom -fill both pack $dlg.top -side top -fill both -expand 1 set W [frame $dlg.top.info] text $W.text -setgrid true -height 10 -wrap char \ -yscrollcommand [list $W.scroll set] if {$windowingsystem ne "aqua"} { $W.text configure -width 40 } scrollbar $W.scroll -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 $dlg] # ...minus the width of the icon, padding and a fudge factor for # the window manager decorations and aesthetics. set wrapwidth [expr {$wrapwidth-60-[winfo pixels $dlg 9m]}] label $dlg.msg -justify left -text $text -wraplength $wrapwidth if {$windowingsystem eq "aqua"} { # On the Macintosh, use the stop bitmap label $dlg.bitmap -bitmap stop } else { # On other platforms, make the error icon canvas $dlg.bitmap -width 32 -height 32 -highlightthickness 0 $dlg.bitmap create oval 0 0 31 31 -fill red -outline black $dlg.bitmap create line 9 9 23 23 -fill white -width 4 $dlg.bitmap create line 9 23 23 9 -fill white -width 4 } grid $dlg.bitmap $dlg.msg -in $dlg.top -row 0 -padx 3m -pady 3m grid configure $dlg.msg -sticky nsw -padx {0 3m} grid rowconfigure $dlg.top 1 -weight 1 grid columnconfigure $dlg.top 1 -weight 1 # 3. Create a row of buttons at the bottom of the dialog. set i 0 foreach {name caption} $buttons { button $dlg.$name -text $caption -default normal \ -command [namespace code [list set button $i]] grid $dlg.$name -in $dlg.bot -column $i -row 0 -sticky ew -padx 10 grid columnconfigure $dlg.bot $i -weight 1 # We boost the size of some Mac buttons for l&f if {$windowingsystem eq "aqua"} { if {($name eq "ok") || ($name eq "dismiss")} { grid columnconfigure $dlg.bot $i -minsize 90 } grid configure $dlg.$name -pady 7 } incr i } # The "OK" button is the default for this dialog. $dlg.ok configure -default active bind $dlg <Return> [namespace code Return] bind $dlg <Destroy> [namespace code [list Destroy %W]] $dlg.function configure -command [namespace code Details] # 6. 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 (Motif style) and de-iconify it. ::tk::PlaceWindow $dlg # 7. Ensure that we are topmost. raise $dlg if {[tk windowingsystem] eq "win32"} { # Place it topmost if we aren't at the top of the stacking # order to ensure that it's seen if {[lindex [wm stackorder .] end] ne "$dlg"} { wm attributes $dlg -topmost 1 } } # 8. Set a grab and claim the focus too. ::tk::SetFocusGrab $dlg $dlg.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 $dlg $dlg.ok destroy if {$copy == 1} { return -code break } } namespace eval :: { # Fool the indexer proc bgerror err {} rename bgerror {} namespace import ::tk::dialog::error::bgerror }