Re: GTK Custom Widgets

[Guillaume Brocker <guillaume brocker digital-trainers com>]

Filipe Apostolo a écrit :
> Hi everybody,
>
> I'm trying to do a custom widget to use in more than one app.
> So I've build a class "MyWidget" derived from  Gtk ::Widget :
>
> class MyWidget : public Gtk::Widget
> {
> public:
>   MyWidget();
>   virtual ~MyWidget();
>
> protected:
>
>   //some Overrides virtual functions
> (...)
>
>  Gtk::Hbox mMyHbox_to_add_in_my_widget;
> };
>
> But the problem is that I don't know how to add the HBox in my custom
> widget.
>
> So I've looked the
> http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/sec-custom-widgets.html
> tutorial but it doesn't explain how to add a child widget into a custom
> widget.
>
> The purpose of adding the Hbox is to heave a kind of container to start 
> adding other widgets like treeviews, buttons, combo boxes  and so one.
> And I don't want to derive from a container or from a window.
>
> Can some wane help me, is it possible ore there are more efficient ways
> to do something like this?

Two possible solutions :
- make your widget inherit from Gtk::HBox
- make your widget inherit from Gtk::Bin, and then add the Gkt::HBox in 
the constructor of your widget

Guillaume