Method step

src/app/PortWidget.cpp:33–80

	PortWidget* portWidget;

	void step() override {
		if (portWidget->module) {
			engine::Port* port = portWidget->getPort();
			engine::PortInfo* portInfo = portWidget->getPortInfo();
			// Label
			text = portInfo->getFullName();
			// Description
			std::string description = portInfo->getDescription();
			if (description != "") {
				text += "\n";
				text += description;
			}
			// Voltage, number of channels
			int channels = port->getChannels();
			for (int i = 0; i < channels; i++) {
				float v = port->getVoltage(i);
				// Add newline or comma
				text += "\n";
				if (channels > 1)
					text += string::f("%d: ", i + 1);
				text += string::f("% .3fV", math::normalizeZero(v));
			}
			// From/To
			std::vector<CableWidget*> cables = APP->scene->rack->getCompleteCablesOnPort(portWidget);
			for (auto it = cables.rbegin(); it != cables.rend(); it++) {
				CableWidget* cable = *it;
				PortWidget* otherPw = (portWidget->type == engine::Port::INPUT) ? cable->outputPort : cable->inputPort;
				if (!otherPw)
					continue;
				text += "\n";
				if (portWidget->type == engine::Port::INPUT)
					text += string::translate("PortWidget.from");
				else
					text += string::translate("PortWidget.to");
				text += otherPw->module->model->getFullName();
				text += ": ";
				text += otherPw->getPortInfo()->getName();
				text += " ";
				text += (otherPw->type == engine::Port::INPUT) ? string::translate("PortWidget.input") : string::translate("PortWidget.output");
			}
		}
		Tooltip::step();
		// Position at bottom-right of parameter
		box.pos = portWidget->getAbsoluteOffset(portWidget->box.size).round();
		// Fit inside parent (copied from Tooltip.cpp)
		assert(parent);
		box = box.nudge(parent->box.zeroPos());
	}
};