/*! Constructor
 * \param[in]	el	the configuration element to display
 * \param[in]	differ	shall the changes be applied later using apply_changes()?
 */
ConfigElement::ConfigElement(crn::ConfigElement &el, bool differ):
	value(el.GetValue()),
	tmpvalue(el.GetValue())
{
	if (!value)
		throw crn::ExceptionUninitialized(_("The element was not initialized."));
	if (differ)
		tmpvalue = crn::Clone(*value);

	if (std::dynamic_pointer_cast<crn::Int>(tmpvalue))
		typ = U"Int";
	else if (std::dynamic_pointer_cast<crn::Real>(tmpvalue))
		typ = U"Real";
	else if (std::dynamic_pointer_cast<crn::Prop3>(tmpvalue))
		typ = U"Prop3";
	else if (std::dynamic_pointer_cast<crn::String>(tmpvalue))
		typ = U"String";
	else if (std::dynamic_pointer_cast<crn::StringUTF8>(tmpvalue))
		typ = U"StringUTF8";
	else if (std::dynamic_pointer_cast<crn::Path>(tmpvalue))
		typ = U"Path";

	Gtk::Label *lab = Gtk::manage(new Gtk::Label(el.GetName().CStr()));
	lab->show();
	pack_start(*lab, false, true, 2);

	if (typ == U"Prop3")
	{
		Prop3 *p = Gtk::manage(new Prop3(Gtk::ICON_SIZE_BUTTON, el.GetValue<crn::Prop3>()));
		p->signal_value_changed().connect(sigc::mem_fun(this, &ConfigElement::on_p3_changed));
		p->show();
		pack_start(*p, true, true, 2);
	}
	else if (!el.GetAllowedValues().IsEmpty())
	{ // any Int, Real, String, StringUTF8 or Path
		Gtk::ComboBoxText *cb = Gtk::manage(new Gtk::ComboBoxText);
		const std::vector<crn::StringUTF8> values(el.GetAllowedValues<crn::StringUTF8>());
		for (const crn::StringUTF8 &val : values)
#ifdef CRN_USING_GTKMM3
			cb->append(val.CStr());
#else /* CRN_USING_GTKMM3 */
			cb->append_text(val.CStr());
#endif /* CRN_USING_GTKMM3 */
		cb->set_active_text(el.GetValue<crn::StringUTF8>().CStr());
		cb->signal_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_combo_changed), cb));
		cb->show();
		pack_start(*cb, true, true, 2);
	}
	else if (typ == U"Int")
	{
		if (el.HasMinValue() && el.HasMaxValue())
		{ // has finite range, use a slider
#ifdef CRN_USING_GTKMM3
			auto *s = Gtk::manage(new Gtk::Scale(Gtk::ORIENTATION_HORIZONTAL));
			s->set_range(el.GetMinValue<int>(), el.GetMaxValue<int>() + 1);
			s->set_increments(1, 1);
#else
			Gtk::HScale *s = Gtk::manage(new Gtk::HScale(el.GetMinValue<int>(), el.GetMaxValue<int>() + 1, 1));
#endif
			s->set_value(el.GetValue<int>());
			s->signal_value_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_range_changed), s));
			s->show();
			pack_start(*s, true, true, 2);
		}
		else
		{ // has at least one infinite (maxed) bound, use a spin button
			Gtk::SpinButton *s = Gtk::manage(new Gtk::SpinButton);
			int m = std::numeric_limits<int>::min(), M = std::numeric_limits<int>::max();
			if (el.HasMinValue())
				m = el.GetMinValue<int>();
			if (el.HasMaxValue())
				M = el.GetMaxValue<int>();
			s->set_range(m, M);
			s->set_increments(1, 10);
			s->set_value(el.GetValue<int>());
			s->signal_value_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_spin_changed), s));
			s->show();
			pack_start(*s, true, true, 2);
		}
	}
	else if (typ == U"Real")
	{
		if (el.HasMinValue() && el.HasMaxValue())
		{ // has finite range, use a slider
#ifdef CRN_USING_GTKMM3
			auto *s = Gtk::manage(new Gtk::Scale(Gtk::ORIENTATION_HORIZONTAL));
			s->set_range(el.GetMinValue<double>(), el.GetMaxValue<double>() + 0.01);
			s->set_increments(0.01, 0.01);
#else
			Gtk::HScale *s = Gtk::manage(new Gtk::HScale(el.GetMinValue<double>(), el.GetMaxValue<double>() + 0.01, 0.01));
#endif
			s->set_digits(2);
			s->set_value(el.GetValue<double>());
			s->signal_value_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_range_changed), s));
			s->show();
			pack_start(*s, true, true, 2);
		}
		else
		{ // has at least one infinite (maxed) bound, use a spin button
			Gtk::SpinButton *s = Gtk::manage(new Gtk::SpinButton(0, 2));
			double m = -std::numeric_limits<double>::max(), M = std::numeric_limits<double>::max();
			if (el.HasMinValue())
				m = el.GetMinValue<double>();
			if (el.HasMaxValue())
				M = el.GetMaxValue<double>();
			s->set_range(m, M);
			s->set_increments(0.01, 1);
			s->set_value(el.GetValue<double>());
			s->signal_value_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_spin_changed), s));
			s->show();
			pack_start(*s, true, true, 2);
		}
	}
	else // string types
	{
		Gtk::Entry *e = Gtk::manage(new Gtk::Entry);
		e->set_text(el.GetValue<crn::StringUTF8>().CStr());
		e->signal_changed().connect(sigc::bind(sigc::mem_fun(this, &ConfigElement::on_entry_changed), e));
		e->show();
		pack_start(*e, true, true, 2);
	}
	lab = Gtk::manage(new Gtk::Label("?"));
	lab->show();
	lab->set_tooltip_text(el.GetDescription().CStr());
	pack_start(*lab, false, true, 2);
}
Esempio n. 2
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/**
    \brief  Creates a combobox widget for an enumeration parameter
*/
Gtk::Widget *
ParamRadioButton::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
{
    if (_gui_hidden) return NULL;

    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
    Gtk::VBox * vbox = Gtk::manage(new Gtk::VBox(false, 0));

    Gtk::Label * label = Gtk::manage(new Gtk::Label(_(_text), Gtk::ALIGN_LEFT, Gtk::ALIGN_TOP));
    label->show();
    hbox->pack_start(*label, false, false);

    Gtk::ComboBoxText* cbt = 0;
    bool comboSet = false;
    if (_mode == MINIMAL) {
        cbt = Gtk::manage(new ComboWdg(this, doc, node));
        cbt->show();
        vbox->pack_start(*cbt, false, false);
    }

    // add choice strings as radiobuttons
    // and select last selected option (_value)
    Gtk::RadioButtonGroup group;
    for (GSList * list = choices; list != NULL; list = g_slist_next(list)) {
        optionentry * entr = reinterpret_cast<optionentry *>(list->data);
        Glib::ustring * text = entr->guitext;
        switch ( _mode ) {
        case MINIMAL:
        {
            cbt->append_text(*text);
            if (!entr->value->compare(_value)) {
                cbt->set_active_text(*text);
                comboSet = true;
            }
        }
        break;
        case COMPACT:
        case FULL:
        {
            ParamRadioButtonWdg * radio = Gtk::manage(new ParamRadioButtonWdg(group, *text, this, doc, node, changeSignal));
            radio->show();
            vbox->pack_start(*radio, true, true);
            if (!entr->value->compare(_value)) {
                radio->set_active();
            }
        }
        break;
        }
    }

    if ( (_mode == MINIMAL) && !comboSet) {
        cbt->set_active(0);
    }

    vbox->show();
    hbox->pack_end(*vbox, false, false);
    hbox->show();


    return dynamic_cast<Gtk::Widget *>(hbox);
}