On 3/22/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I try to modify a program to add some features. I would like to add some
> menu element...
> Those elements are added that way :
>
> menu_partition .items() .push_back(
> Gtk::Menu_Helpers::MenuElem( _("manage flags"),
> sigc::mem_fun( *this, &Win_GParted::activate_manage_flags ) ) );
>
> So I've added my element with the same syntax
> menu_partition .items() .push_back(
> Gtk::Menu_Helpers::MenuElem( _("Make Image"),
> sigc::mem_fun( *this, &Win_GParted::on_make_image ) ) );
>
> The Problem is that it is not appearing, I guess I have to .show it, but
> in the code, it is done later, and with an ID number, and I don't know
> it :
>
> menu_partition .items()[ installer_mode ? 9 : 10 ] .show() ;
>
> Is there a way to .show the item by name ? like
> menu_partition .items()["Make Image"] .show();
> ???
>
> Other question, I'm pretty new in gtkmm, can somebody explain me what
> the sentense "installer_mode ? 9 : 10" means ??
>
> _______________________________________________
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>
After you build the menu, you can just call show_all_children on the
window that contains it. This will recursively call show on all
widgets contained in the window. This saves you from needing to
remember to call show on every single widget.
bool-expression ? expression-if-true : expression-if-false
Is a conditional operator. Basically its shorthand for:
if( bool-expression )
{
expression-if-true ;
}
else
{
expression-if-false ;
}
But you can inline it into function calls and what not.
Its part of C++ and also appears in at least C and Java and probably
others as well. It can be confusing at first, but comes in handy in a
few places.
HTH,
Paul Davis
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