Issue 5625 in pharo: DNU in FileList when clicking on empty space

Status: New
Owner: [hidden email]

New issue 5625 by [hidden email]: DNU in FileList when clicking  
on empty space
http://code.google.com/p/pharo/issues/detail?id=5625

Steps to reproduce:
1. open FileList
2. scroll down to see some empty space below file names
3. click on the empty space

The DNU is raised:

THERE_BE_DRAGONS_HERE
MessageNotUnderstood: receiver of "first" is nil
18 April 2012 9:42:06.212 am

VM: unix - i686 - linux-gnu - CoInterpreter  
VMMaker-oscog-EstebanLorenzano.155 uuid:  
c53d1f34-009e-425c-9f88-398f8d39c5e8 Apr 15 2012,  
StackToRegisterMappingCogit VMMaker-oscog-EstebanLorenzano.155 uuid:  
c53d1f34-009e-425c-9f88-398f8d39c5e8 Apr 15 2012,  
https://git.gitorious.org/cogvm/blessed.git Commit:  
043d256c0d39b78e04db8608c0ebfbf096223a3f Date: Sun Apr 15 14:18:12 2012  
+0200 By: Guille <[hidden email]>
Image: Pharo1.4a [Latest update: #14433]

UndefinedObject(Object)>>doesNotUnderstand: #first
        Receiver: nil
        Arguments and temporary variables:
                aMessage: first
                exception: MessageNotUnderstood: receiver of "first" is nil
                resumeValue: nil
        Receiver's instance variables:
nil

FileList>>findFileListIndex:
        Receiver: a FileList
        Arguments and temporary variables:
                aMorphTreeSelectionChanged: a MorphTreeSelectionChanged
                node: nil
        Receiver's instance variables:
                dependents: a DependentsArray(a SystemWindow(346554368) a  
SearchMorph(958660608...etc...
                reference: /home/krivanek/Stažené/cog
                volumeList: #('[]' ' home' '  krivanek' '   Stažené' '    cog')
                volumeListIndex: 5
                list: an Array(/home/krivanek/Stažené/cog/CogVM  
/home/krivanek/Stažené/cog/Deja...etc...
                listIndex: 0
                pattern: nil
                sortMode: #date
                brevityState: #FileList
                currentDirectorySelected: nil
                dirSelectionBlock: [:dirName | true]
                modalView: nil
                ok: false
                contents: 'NO FILE SELECTED
   -- Folder Summary --
CogVM
DejaVuSans.ttf
Pharo-1...etc...
                optionalButtonSpecs: nil
                grid: a MorphTreeMorph(210501632)
                fileEncoding: nil
                sortBlock: [:x :y | | xIsDir | (xIsDir := x isDirectory) = y isDirectory
                ifTr...etc...


MessageSend>>value:
        Receiver: MessageSend(#findFileListIndex: -> a FileList)
        Arguments and temporary variables:
                anObject: a MorphTreeSelectionChanged
        Receiver's instance variables:
                receiver: a FileList
                selector: #findFileListIndex:
                arguments: #()


MessageSend>>cull:
        Receiver: MessageSend(#findFileListIndex: -> a FileList)
        Arguments and temporary variables:
                arg: a MorphTreeSelectionChanged
        Receiver's instance variables:
                receiver: a FileList
                selector: #findFileListIndex:
                arguments: #()


MessageSend>>cull:cull:
        Receiver: MessageSend(#findFileListIndex: -> a FileList)
        Arguments and temporary variables:
                arg1: a MorphTreeSelectionChanged
                arg2: an Announcer
        Receiver's instance variables:
                receiver: a FileList
                selector: #findFileListIndex:
                arguments: #()


[action cull: anAnnouncement cull: announcer] in  
AnnouncementSubscription>>deliver:
        Receiver: an AnnouncementSubscription
        Arguments and temporary variables:
                anAnnouncement: a MorphTreeSelectionChanged
        Receiver's instance variables:
                announcer: an Announcer
                announcementClass: MorphTreeSelectionChanged
                subscriber: a FileList
                action: MessageSend(#findFileListIndex: -> a FileList)


BlockClosure>>on:do:
        Receiver: [action cull: anAnnouncement cull: announcer]
        Arguments and temporary variables:
                exception: UnhandledError
                handlerAction: [:ex |
| copy onDoCtx process handler bottom thisCtx |
onDoCtx ...etc...
                handlerActive: false
        Receiver's instance variables:
                outerContext: AnnouncementSubscription>>deliver:
                startpc: 52
                numArgs: 0


[Processor terminateActive] in [:ex |
| copy onDoCtx process handler bottom thisCtx |
onDoCtx := thisContext.
        thisCtx := onDoCtx home.
        [onDoCtx sender == thisCtx]
                whileFalse: [onDoCtx := onDoCtx sender.
                        onDoCtx
                                ifNil: [^ handlerAction cull: ex]].
        bottom := [Processor terminateActive] asContext.
        onDoCtx privSender: bottom.
        handler := [handlerAction cull: ex] asContext.
        handler privSender: thisContext sender.
        (Process forContext: handler priority: Processor activePriority) resume.
        thisContext privSender: thisCtx.
        nil] in BlockClosure>>on:fork:
        Receiver: [action cull: anAnnouncement cull: announcer]
        Arguments and temporary variables:

        Receiver's instance variables:
                outerContext: AnnouncementSubscription>>deliver:
                startpc: 52
                numArgs: 0



--- The full stack ---
UndefinedObject(Object)>>doesNotUnderstand: #first
FileList>>findFileListIndex:
MessageSend>>value:
MessageSend>>cull:
MessageSend>>cull:cull:
[action cull: anAnnouncement cull: announcer] in  
AnnouncementSubscription>>deliver:
BlockClosure>>on:do:
[Processor terminateActive] in [:ex |
| copy onDoCtx process handler bottom thisCtx |
onDoCtx := thisContext.
        thisCtx := onDoCtx home.
        [onDoCtx sender == thisCtx]
                whileFalse: [onDoCtx := onDoCtx sender.
                        onDoCtx
                                ifNil: [^ handlerAction cull: ex]].
        bottom := [Processor terminateActive] asContext.
        onDoCtx privSender: bottom.
        handler := [handlerAction cull: ex] asContext.
        handler privSender: thisContext sender.
        (Process forContext: handler priority: Processor activePriority) resume.
        thisContext privSender: thisCtx.
        nil] in BlockClosure>>on:fork:
-------------------------------------------------------------------------------


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Updates:
        Status: FixReviewNeeded

Comment #1 on issue 5625 by [hidden email]: DNU in FileList when  
clicking on empty space
http://code.google.com/p/pharo/issues/detail?id=5625

SLICE-Issue-5625-DNU-in-FileList-when-clicking-on-empty-space-PavelKrivanek.1


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Updates:
        Labels: Type-Bug Milestone-2.0

Comment #2 on issue 5625 by [hidden email]: DNU in FileList when  
clicking on empty space
http://code.google.com/p/pharo/issues/detail?id=5625

(No comment was entered for this change.)


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Pharo-bugtracker mailing list
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Updates:
        Status: Integrated

Comment #3 on issue 5625 by [hidden email]: DNU in FileList when  
clicking on empty space
http://code.google.com/p/pharo/issues/detail?id=5625

in 2.0 208


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