Never mind, I've solved the problem. Hadn't created a Gdk::Window for the container.
Matthew Bucknall wrote: > Hello, > > I'm try to implement a custom container which allows the user to resize > the widgets it contains (similar to Paned, but allowing more than 2 > widgets). Nesting Paned containers to achieve this leads to unintuitive > behavior. > > The layout code is complete and works great. Being fairly new to gtk and > gtkmm, I'm having some issues getting the container class to receive > button press/release and motion notify events. Currently I am overriding > on_button_press_event, on_button_release_event, and > on_motion_notify_event to handle user interaction. > > I've noticed, when I put notebook widgets inside the container, the > container's motion notify event handler gets called any time the mouse > moves across the notebook tabs (but not the body of the page), with x > and y relative to the top-left point of each tab. When the pointer is in > a space between the container's children, I get no motion notify events > at all. Please could someone give me some insight as to what is > happening there? > > Also, I get responses to button press/release events only if I click in > certain places on the notebook tabs, but not in the container's > uninhabited space. The strange thing is, these responses are > intermittent. Sometimes a certain point on a notebook tab triggers the > event, sometimes it does not. This all seems a bit weird to me. > > Essentially what I want is for the container to respond to mouse events > so that the user can drag the gap in between each contained widget left > or right to change the size of the widgets either side of it. > > Apart from initializing various private members, my constructor > currently only calls the following (I'm sure I should be doing a lot > more, but I'm not sure what): > > set_flags(Gtk::NO_WINDOW); > set_events(get_events() | Gdk::EXPOSURE_MASK | > Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | > Gdk::POINTER_MOTION_MASK | Gdk::POINTER_MOTION_HINT_MASK); > > Any help much appreciated. Thanks. > > Matt. > > _______________________________________________ > gtkmm-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/gtkmm-list > > _______________________________________________ gtkmm-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gtkmm-list
