[Kmymoney-devel] Help with debugging "Buy" investment Interest/Fees widgets hiding

aga agander93 at gmail.com
Sun Aug 7 09:50:13 UTC 2011

On Sat, 6 Aug 2011 23:19:22 -0500
Kumar Appaiah <a.kumar at alumni.iitm.ac.in> wrote:

> Hi!
> This is with regard to the problem discussed here, specifically the
> second quoted text, where the author has said that this is a "known
> bug":
> http://mail.kde.org/pipermail/kmymoney/2011-January/000154.html
> To summarize, for new investments, the "Buy Shares" option is the
> default, and it causes the display of the fees and interest boxes,
> which is quite irritating when we don't want to enter any values for
> those sections.

Yes, I understand your view, which I concur with.

I have done some work in this area fairly recently, to tidy up the UI.
As the changes were not trivial, were in an area where I hadn't worked
previously, and were completed too close to the release date of the new
stable version to allow adequate testing by others, I've held them back.

Once the new release has gone ahead, my patches will be reviewed and,
hopefully, added to the svn version, when you may see how they meet
your concerns (or otherwise).


> I tried debugging this a bit further, and made a bit of headway. The
> primary problem is that the fees and interest widgets are initially
> hidden, but they end up appearing anyway mysteriously later on. What I
> did is to add a breakpoint to capture the location (memory) address of
> the fees/interest widgets concerned. I then set a breakpoint for
> QWidget::setVisible(bool), and found where the widgets in question are
> being set to visible again, and I found this backtrace:
> #0  QWidget::setVisible (this=0x2046860, visible=true) at
> kernel/qwidget.cpp:7579 #1  0x00007ffff3590bba in show
> (this=0x13c4360)
> at ../../include/QtGui/../../src/gui/kernel/qwidget.h:487 #2
> QAbstractItemView::updateEditorGeometries (this=0x13c4360) at
> itemviews/qabstractitemview.cpp:2602 #3  0x00007ffff35826bd in
> QAbstractItemView::updateGeometries (this=0x13c4360) at
> itemviews/qabstractitemview.cpp:2633 #4  0x00007ffff35b2dfa in
> QTableView::updateGeometries (this=0x13c4360) at
> itemviews/qtableview.cpp:2122 #5  0x00007ffff35b6449 in
> QTableView::timerEvent (this=0x13c4360, event=0x7fffffffcf90) at
> itemviews/qtableview.cpp:2720 #6  0x00007ffff3f5d3f9 in
> QObject::event (this=0x13c4360, e=<value optimized out>) at
> kernel/qobject.cpp:1181 #7  0x00007ffff30d4a5b in QWidget::event
> (this=0x13c4360, event=0x7fffffffcf90) at kernel/qwidget.cpp:8718 #8
> 0x00007ffff3476066 in QFrame::event (this=0x13c4360,
> e=0x7fffffffcf90) at widgets/qframe.cpp:557 #9  0x00007ffff34f7693 in
> QAbstractScrollArea::event (this=0x13c4360, e=0x7fffffffcf90) at
> widgets/qabstractscrollarea.cpp:996 #10 0x00007ffff358fa8b in
> QAbstractItemView::event (this=0x13c4360, event=0x7fffffffcf90) at
> itemviews/qabstractitemview.cpp:1564 #11 0x00007ffff30849f4 in
> notify_helper (this=0xc55c90, receiver=0x13c4360, e=0x7fffffffcf90)
> at kernel/qapplication.cpp:4467 #12
> QApplicationPrivate::notify_helper (this=0xc55c90,
> receiver=0x13c4360, e=0x7fffffffcf90) at kernel/qapplication.cpp:4439
> #13 0x00007ffff3089881 in QApplication::notify (this=0xc50e50,
> receiver=0x13c4360, e=0x7fffffffcf90) at kernel/qapplication.cpp:4346
> #14 0x00007ffff6574a66 in KApplication::notify(QObject*, QEvent*) ()
> from /usr/lib/libkdeui.so.5 #15 0x00007ffff3f46fbc in
> QCoreApplication::notifyInternal (this=0xc50e50, receiver=0x13c4360,
> event=0x7fffffffcf90) at kernel/qcoreapplication.cpp:731 #16
> 0x00007ffff3f73942 in sendEvent (this=0xc59390)
> at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
> #17 QTimerInfoList::activateTimers (this=0xc59390) at
> kernel/qeventdispatcher_unix.cpp:604 #18 0x00007ffff3f71134 in
> timerSourceDispatch (source=<value optimized out>) at
> kernel/qeventdispatcher_glib.cpp:184 #19 0x00007fffed7654a3 in
> g_main_dispatch (context=0xc584e0)
> at /tmp/buildd/glib2.0-2.28.6/./glib/gmain.c:2440 #20
> g_main_context_dispatch (context=0xc584e0)
> at /tmp/buildd/glib2.0-2.28.6/./glib/gmain.c:3013 #21
> 0x00007fffed765c80 in g_main_context_iterate (context=0xc584e0,
> block=1, dispatch=1, self=<value optimized out>)
> at /tmp/buildd/glib2.0-2.28.6/./glib/gmain.c:3091 #22
> 0x00007fffed765f1d in g_main_context_iteration (context=0xc584e0,
> may_block=1) at /tmp/buildd/glib2.0-2.28.6/./glib/gmain.c:3154 #23
> 0x00007ffff3f71abf in QEventDispatcherGlib::processEvents
> (this=0xc28f50, flags=<value optimized out>) at
> kernel/qeventdispatcher_glib.cpp:422 #24 0x00007ffff31289ce in
> QGuiEventDispatcherGlib::processEvents (this=<value optimized out>,
> flags=<value optimized out>) at
> kernel/qguieventdispatcher_glib.cpp:204 #25 0x00007ffff3f461c2 in
> QEventLoop::processEvents (this=<value optimized out>, flags=...) at
> kernel/qeventloop.cpp:149 #26 0x00007ffff3f463bf in QEventLoop::exec
> (this=0x7fffffffd230, flags=...) at kernel/qeventloop.cpp:201 #27
> 0x00007ffff3f4a567 in QCoreApplication::exec () at
> kernel/qcoreapplication.cpp:1008 #28 0x0000000000462165 in
> runKMyMoney (a=0xc50e50, splash=0xd37250)
> at /home/kumar/Software/kmymoney/kmymoney/kmymoney/main.cpp:282 #29
> 0x0000000000460ba9 in main (argc=1, argv=0x7fffffffdeb8)
> at /home/kumar/Software/kmymoney/kmymoney/kmymoney/main.cpp:181
> Now, this falls outside any of the purview of the kmymoney code
> itself, as I see it. The exact location in
> QAbstractItemView::updateEditorGeometries where this function is
> called is here:
> http://qt.gitorious.org/qt/qt/blobs/4.7-stable/src/gui/itemviews/qabstractitemview.cpp#line2602
> I can keep going outwards in the backtrace, but that doesn't seem to
> lead me anywhere. Could you please help me proceed in debugging this
> problem?
> If I am not being clear and you need more information, please let me
> know and I shall get back to you with details.
> Thanks!
> Kumar

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