[Octave-bug-tracker] [bug #53443] Variable Editor: openvar VAR should show the tab on which the variable editor is

[Dan Sebald]

Follow-up Comment #6, bug #53443 (project octave):

As I explained, I tried.  Unless I missed some Qt function, there seems to be
no Qt function for identifying the tab contents other than that tabData(i)
which is a QVariant.  That surprises me that there is no such routine.  In any
case, one has to use the QVariant functions that will allow translating to the
desired format.  Every conversion type I tried that seemed a reasonable choice
for comparison would produce a translated value of 0.  If anyone has an idea
of how to convert the tabData() and QWidget pointer in either direction or to
a mutually-convertable type, I'm listening.

Here's the documentation that might be helpful:

http://doc.qt.io/qt-5/qvariant.html#type

"Also note that the types void*, long, short, unsigned long, unsigned short,
unsigned char, float, QObject*, and QWidget* are represented in
QMetaType::Type but not in QVariant::Type, and they can be returned by this
function. However, they are considered to be user defined types when tested
against QVariant::Type."

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