Add disabled state to MenuItem appearance

include/event.hpp

@@ -208,6 +208,9 @@ struct Zoom : Event {
 
 
 struct Context {
+	/** State widgets
+	Don't set these directly unless you know what you're doing. Use the set*() methods instead.
+	*/
 	Widget *rootWidget = NULL;
 	Widget *hoveredWidget = NULL;
 	Widget *draggedWidget = NULL;

src/app/Toolbar.cpp

@@ -334,6 +334,16 @@ struct ManageItem : MenuItem {
 };
 
 
+struct SyncItem : MenuItem {
+	SyncItem() {
+		text = "Sync";
+		disabled = true;
+	}
+	void onAction(event::Action &e) override {
+	}
+};
+
+
 // struct SyncButton : Button {
 // 	bool checked = false;
 // 	/** Updates are available */
@@ -416,6 +426,7 @@ struct PluginsButton : MenuButton {
 		}
 		else if (plugin::isLoggedIn()) {
 			menu->addChild(new ManageItem);
+			menu->addChild(new SyncItem);
 			menu->addChild(new LogOutItem);
 		}
 		else {

src/ui/MenuItem.cpp

@@ -4,18 +4,25 @@ namespace rack {
 
 
 void MenuItem::draw(NVGcontext *vg) {
-	// Get state
-	BNDwidgetState state = (context()->event->hoveredWidget == this) ? BND_HOVER : BND_DEFAULT;
+	BNDwidgetState state = BND_DEFAULT;
+
+	if (context()->event->hoveredWidget == this)
+		state = BND_HOVER;
+
 	// Set active state if this MenuItem
 	Menu *parentMenu = dynamic_cast<Menu*>(parent);
-	if (parentMenu && parentMenu->activeEntry == this) {
+	if (parentMenu && parentMenu->activeEntry == this)
 		state = BND_ACTIVE;
-	}
 
-	bndMenuItem(vg, 0.0, 0.0, box.size.x, box.size.y, state, -1, text.c_str());
+	// Main text and background
+	if (!disabled)
+		bndMenuItem(vg, 0.0, 0.0, box.size.x, box.size.y, state, -1, text.c_str());
+	else
+		bndMenuLabel(vg, 0.0, 0.0, box.size.x, box.size.y, -1, text.c_str());
 
+	// Right text
 	float x = box.size.x - bndLabelWidth(vg, -1, rightText.c_str());
-	NVGcolor rightColor = (state == BND_DEFAULT) ? bndGetTheme()->menuTheme.textColor : bndGetTheme()->menuTheme.textSelectedColor;
+	NVGcolor rightColor = (state == BND_DEFAULT && !disabled) ? bndGetTheme()->menuTheme.textColor : bndGetTheme()->menuTheme.textSelectedColor;
 	bndIconLabelValue(vg, x, 0.0, box.size.x, box.size.y, -1, rightColor, BND_LEFT, BND_LABEL_FONT_SIZE, rightText.c_str(), NULL);
 }