bool GstPropertiesModule::update_property(const std::shared_ptr<GValueBase>& value_base, const std::string prop_name)
{
	for (auto internal_box : properties_box->get_children())
	{
		Gtk::Box *hb = dynamic_cast<Gtk::Box*>(internal_box);
		if (hb == nullptr)
		{
			continue;
		}

		if (reinterpret_cast<gchar*>(hb->get_data("property-name")) != prop_name)
			continue;

		for (auto widget : hb->get_children())
		{
			if (widget->get_data("is-gvalue-widget") == GINT_TO_POINTER(1))
			{
				bool sensitive = widget->get_sensitive();
				hb->remove(*widget);
				widget = value_base->get_widget();
				widget->set_sensitive(sensitive);
				widget->show();
				hb->pack_start(*widget, true, 10);
				hb->reorder_child(*widget, 1);
				return true;
			}
		}
	}

	return false;
}
示例#2
0
/** \brief  Creates a new preference dialog for extension preferences
    \param  name  Name of the Extension whose dialog this is
    \param  help  The help string for the extension (NULL if none)
    \param  controls  The extension specific widgets in the dialog

    This function initializes the dialog with the name of the extension
    in the title.  It adds a few buttons and sets up handlers for
    them.  It also places the passed-in widgets into the dialog.
*/
PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * controls, Effect * effect) :
#if WITH_GTKMM_3_0
    Gtk::Dialog::Dialog(_(name.c_str()), true),
#else
    Gtk::Dialog::Dialog(_(name.c_str()), true, true),
#endif
    _help(help),
    _name(name),
    _button_ok(NULL),
    _button_cancel(NULL),
    _button_preview(NULL),
    _param_preview(NULL),
    _effect(effect),
    _exEnv(NULL)
{
    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox());
    if (controls == NULL) {
        if (_effect == NULL) {
            std::cout << "AH!!!  No controls and no effect!!!" << std::endl;
            return;
        }
        controls = _effect->get_imp()->prefs_effect(_effect, SP_ACTIVE_DESKTOP, &_signal_param_change, NULL);
        _signal_param_change.connect(sigc::mem_fun(this, &PrefDialog::param_change));
    }

    hbox->pack_start(*controls, true, true, 6);
    hbox->show();
    this->get_vbox()->pack_start(*hbox, true, true, 6);

    /*
    Gtk::Button * help_button = add_button(Gtk::Stock::HELP, Gtk::RESPONSE_HELP);
    if (_help == NULL)
        help_button->set_sensitive(false);
    */
    _button_cancel = add_button(_effect == NULL ? Gtk::Stock::CANCEL : Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL);
    _button_cancel->set_use_stock(true);

    _button_ok = add_button(_effect == NULL ? Gtk::Stock::OK : Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
    _button_ok->set_use_stock(true);
    set_default_response(Gtk::RESPONSE_OK);
    _button_ok->grab_focus();

    if (_effect != NULL && !_effect->no_live_preview) {
        if (_param_preview == NULL) {
            XML::Document * doc = sp_repr_read_mem(live_param_xml, strlen(live_param_xml), NULL);
            _param_preview = Parameter::make(doc->root(), _effect);
        }

        Gtk::HSeparator * sep = Gtk::manage(new Gtk::HSeparator());
        sep->show();
        this->get_vbox()->pack_start(*sep, true, true, 4);

        hbox = Gtk::manage(new Gtk::HBox());
        _button_preview = _param_preview->get_widget(NULL, NULL, &_signal_preview);
        _button_preview->show();
        hbox->pack_start(*_button_preview, true, true,6);
        hbox->show();
        this->get_vbox()->pack_start(*hbox, true, true, 6);

        Gtk::Box * hbox = dynamic_cast<Gtk::Box *>(_button_preview);
        if (hbox != NULL) {
#if WITH_GTKMM_3_0
            _checkbox_preview = dynamic_cast<Gtk::CheckButton *>(hbox->get_children().front());
#else
            _checkbox_preview = dynamic_cast<Gtk::CheckButton *>(hbox->children().back().get_widget());
#endif
        }

        preview_toggle();
        _signal_preview.connect(sigc::mem_fun(this, &PrefDialog::preview_toggle));
    }

    // Set window modality for effects that don't use live preview
    if (_effect != NULL && _effect->no_live_preview) {
        set_modal(false);
    }

    GtkWidget *dlg = GTK_WIDGET(gobj());
    sp_transientize(dlg);

    return;
}