Matthias Kaeppler wrote:
> Matthias Kaeppler wrote: >> Hi, >> >> a question is bugging me, nearly since I started programming on my Gtk2 >> filemanager. I hope you can help me resolving this issue, because it's >> also an important design question (I intend to publish the widget which >> is responsible for displaying/browsing directory contents, so I need its >> interface to be clean and easy). >> >> The problem is this: >> In the main window, I have two embedded components, which were >> programmed by myself. They are Gtk::ScrolledWindowS, which itself both >> embed a TreeView. Besides the scrollbars, those ScrolledWindow widgets >> are covered 100% by the TreeViewS. They merely act as a container. >> >> The ScrolledWindowS are the components which ought to be used by the >> client, however, all user interaction besides scrolling takes place in >> the embedded TreeViewS. >> This is a problem, because most events are fired by the TreeViewS, and >> not by the ScrolledWindowS, so the clients would have to connect their >> signal handlers to the underlying TreeView object, but I don't even want >> the client to know what exactly is working under the hood. >> >> What I want is people connecting their signal handlers to the >> ScrolledWindow signals instead. However, this would mean (since those >> events are NOT fired by the ScrolledWindowS but by the TreeViewS), that >> I would have to catch the events fired by the TreeViewS first >> internally, and then delegate them to the composing ScrolledWindowS, >> which would fire them again, so the client gets notice of them. >> >> However, this looks like an expensive abstraction, because I have at >> least one more function call for each event fired. >> >> Is there a more elgant solution to achieve what I want? >> >> Best regards, >> Matthias >> > What kind of signals do you want your clients to catch ? What about providing your own signals ? Antonio _______________________________________________ gtkmm-list mailing list gtkmm-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtkmm-list
