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Re: [fltk.coredev] macOS Fl_Sys_Menu_Bar's clear()

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Re: macOS Fl_Sys_Menu_Bar's clear() Gonzalo Garramuno May 13, 2022  
 

> El 13 may. 2022, a las 21:15, Gonzalo Garramuno <ggarra13@gmail.com> escribió:
> 
> 
> 
>> El 13 may. 2022, a las 11:01, Manolo <manolo.gouy@gmail.com> escribió:
>> 
>> The menubar demo program calls Fl_Sys_Menu_Bar::clear() when switching from the Fl_Sys_Menu_bar mode
>> to the Fl_Menu_Bar mode. The effect is that all macOS menus do disappear. Only the application menu remains, but that's a feature because an app should always have an application menu.
>> 
>> Please, describe in more detail the program you use that create the problem you report.
> 
> I confirm that the demo program works.  However, in my use case, it doesn’t.  I have a function that is used to fill both a RMB Fl_Menu_Button and the Fl_Menu_Bar (in this case Fl_Sys_Menu_Bar).  I fill the menu using the base class Fl_Menu_, like:
> 

Okay.  I see what the problem is.  Fl_Menu_ does not define clear(), add(), etc. as virtual functions, so calling them from Fl_Menu_ has no effect.  Fl_Menu_Button and Fl_Menu_Bar are just define as Fl_Menu_.
It is not clear to me why it works the first time I run the code on Fl_Sys_Menu_Bar, as it should never work.

May I request an enhancement to turn the Fl_Menu_ functions into virtuals?

—
Gonzalo Garramuno
ggarra13@gmail.com




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