Add menu item to save template patch

include/app/RackWidget.hpp

@@ -28,6 +28,7 @@ struct RackWidget : OpaqueWidget {
 	void loadDialog();
 	void saveDialog();
 	void saveAsDialog();
+	void saveTemplate();
 	/** If `lastPath` is defined, ask the user to reload it */
 	void revert();
 	/** Disconnects all wires */

src/app/RackWidget.cpp

@@ -145,6 +145,12 @@ void RackWidget::saveAsDialog() {
 	lastPath = pathStr;
 }
 
+void RackWidget::saveTemplate() {
+	if (osdialog_message(OSDIALOG_INFO, OSDIALOG_OK_CANCEL, "Overwrite template patch?")) {
+		save(asset::user("template.vcv"));
+	}
+}
+
 void RackWidget::save(std::string filename) {
 	INFO("Saving patch %s", filename.c_str());
 	json_t *rootJ = toJson();

src/app/Toolbar.cpp

@@ -76,6 +76,16 @@ struct SaveAsItem : MenuItem {
 };
 
 
+struct SaveTemplateItem : MenuItem {
+	SaveTemplateItem() {
+		text = "Save template";
+	}
+	void onAction(const event::Action &e) override {
+		context()->scene->rackWidget->saveTemplate();
+	}
+};
+
+
 struct RevertItem : MenuItem {
 	RevertItem() {
 		text = "Revert";
@@ -120,6 +130,7 @@ struct FileButton : MenuButton {
 		menu->addChild(new OpenItem);
 		menu->addChild(new SaveItem);
 		menu->addChild(new SaveAsItem);
+		menu->addChild(new SaveTemplateItem);
 		menu->addChild(new RevertItem);
 		menu->addChild(new DisconnectCablesItem);
 		menu->addChild(new QuitItem);

src/app/WireWidget.cpp

@@ -183,7 +183,7 @@ void WireWidget::draw(NVGcontext *vg) {
 	if (wire && wire->outputModule) {
 		Output *output = &wire->outputModule->outputs[wire->outputId];
 		if (output->numChannels != 1) {
-			thickness = 8;
+			thickness = 9;
 		}
 	}