Function appendPresetItems

src/override/ModuleWidget.cpp:973–1013

Create ModulePresetPathItems for each patch in a directory.

// Create ModulePresetPathItems for each patch in a directory.
static void appendPresetItems(ui::Menu* menu, WeakPtr<ModuleWidget> moduleWidget, std::string presetDir) {
	bool hasPresets = false;
	if (system::isDirectory(presetDir)) {
		// Note: This is not cached, so opening this menu each time might have a bit of latency.
		std::vector<std::string> entries = system::getEntries(presetDir);
		std::sort(entries.begin(), entries.end());
		for (std::string path : entries) {
			std::string name = system::getStem(path);
			// Remove "1_", "42_", "001_", etc at the beginning of preset filenames
			std::regex r("^\\d+_");
			name = std::regex_replace(name, r, "");

			if (system::isDirectory(path)) {
				hasPresets = true;

				menu->addChild(createSubmenuItem(name, "", [=](ui::Menu* menu) {
					if (!moduleWidget)
						return;
					appendPresetItems(menu, moduleWidget, path);
				}));
			}
			else if (system::getExtension(path) == ".vcvm" && name != "template") {
				hasPresets = true;

				menu->addChild(createMenuItem(name, "", [=]() {
					if (!moduleWidget)
						return;
					try {
						moduleWidget->loadAction(path);
					}
					catch (Exception& e) {
						async_dialog_message(e.what());
					}
				}));
			}
		}
	}
	if (!hasPresets) {
		menu->addChild(createMenuLabel("(None)"));
	}
};


void ModuleWidget::createContextMenu() {