[Qt-interest] Porting Qt 3 to Qt 4

[Jake Colman]

>>>>> "AS" == Andre Somers <andre at familiesomers.nl> writes:

   AS>   Op 2-9-2010 19:21, Jake Colman schreef:

   >> The reason I am using a QCustomMenuItem is because a checked menu
   >> item in Motif (at least in our configuration) is supposed to be
   >> displayed with a box that is red when checked and cleared when
   >> not.  Qt's implementation, at least in Qt3, displayed a check
   >> instead of this box.  So I extended QPopupMenu with a
   >> insertMotifCheckItem() method to create this custom menu item that
   >> knows how to paint itself accordingly.
   >> 
   >> Having explained all this, is there a better/different way to do
   >> this in Qt4?  Please remember that I am trying to change as little
   >> code as possible (at least for now) as part of this port.

   AS> Perhaps the easiest way to do this is to use a widget style
   AS> sheet. You can customize the appearance of a menu or menu item
   AS> using a widget style sheet. Drawing a red square instead of a
   AS> checkmark should be easy. You can style the check mark using the
   AS> ::indicator subcontrol. Though... one wonders what drives a
   AS> person in this day and age to use a Motif style ;-)

Andre,

I am finally getting back to this part of my application.  I'm having
trouble understanding the QAction-based paradigm and how it compared to
the insertItem-based paradigm in Qt3.  For example, menu items no longer
have an ID and findMenu() is no longer defined.  So how does one look up
a menu item?  Is it no longer needed?

As far as my original question is concerned, can you please give me some
more detail on how I can use the widget style sheet to achieve my
desired result?  I want to provide an API that allows the coder to
insert a menu item that would display the red square instead of a
checkmark.  The coder would also have to be able to find that item later
in order to check/uncheck it - or am I missing the paradigm here?

I'd appreciate any pointers - even if it is just a list of what docs
need to be read.

TIA!

...Jake


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Jake Colman | Director, Software Development
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