[bug #14804] Problem using NSRulerView from unarchived Gorm file

[Sašo Kiselkov]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=14804>

                 Summary: Problem using NSRulerView from unarchived Gorm file
                 Project: GNUstep
            Submitted by: diablos
            Submitted on: Mon 10/17/05 at 07:07
                Category: Gui/AppKit
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

The problem is the follows: when I create a gorm file with a text view in it,
save it and later unarchive it a bug behind the scenes becomes visible: the
enclosing scroll view somehow "looses" it's horizontal ruler. A discrepancy
between the _haveHorizRuler and _horizRuler ivars is created (in more detail:
_haveHorizRuler = YES, but _horizRuler = nil). So when the gorm file is
unarchived and one does -setHasHorizontalRuler:YES in, for example,
-awakeFromNib, the app crashes when trying to add a `nil' subview.

When searching for the bug's reason I found out that when the 'TextView'
control is dragged from the palette in Gorm, the horizontal ruler does exist,
but when the gorm file is saved, it suddenly does not anymore (but
_haveHorizRuler = YES). I tried to monitor all manipulations of the
_haveHorizRuler and _horizRuler ivars, but I was not able to find where the
change occurs. I do not know yet where it happens (perhaps I just didn't look
hard enough...), but I'll keep on trying to locate it and then I'll post a
bugfix. This bugreport is so that you know what I know so far...






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