expose menu enablement to javascript

interface/src/scripting/MenuScriptingInterface.cpp

@@ -126,6 +126,23 @@ void MenuScriptingInterface::setIsOptionChecked(const QString& menuOption, bool
                 Q_ARG(bool, isChecked));
 }
 
+bool MenuScriptingInterface::isMenuEnabled(const QString& menuOption) {
+    if (QThread::currentThread() == qApp->thread()) {
+        return Menu::getInstance()->isOptionChecked(menuOption);
+    }
+    bool result;
+    QMetaObject::invokeMethod(Menu::getInstance(), "isMenuEnabled", Qt::BlockingQueuedConnection,
+        Q_RETURN_ARG(bool, result),
+        Q_ARG(const QString&, menuOption));
+    return result;
+}
+
+void MenuScriptingInterface::setMenuEnabled(const QString& menuOption, bool isChecked) {
+    QMetaObject::invokeMethod(Menu::getInstance(), "setMenuEnabled",
+        Q_ARG(const QString&, menuOption),
+        Q_ARG(bool, isChecked));
+}
+
 void MenuScriptingInterface::triggerOption(const QString& menuOption) {
     QMetaObject::invokeMethod(Menu::getInstance(), "triggerOption", Q_ARG(const QString&, menuOption));    
 }

interface/src/scripting/MenuScriptingInterface.h

@@ -50,6 +50,9 @@ public slots:
     void setIsOptionChecked(const QString& menuOption, bool isChecked);
 
     void triggerOption(const QString& menuOption);
+
+    bool isMenuEnabled(const QString& menuName);
+    void setMenuEnabled(const QString& menuName, bool isEnabled);
     
 signals:
     void menuItemEvent(const QString& menuItem);

libraries/ui/src/ui/Menu.cpp

@@ -428,6 +428,25 @@ bool Menu::menuExists(const QString& menuName) {
     return false;
 }
 
+bool Menu::isMenuEnabled(const QString& menuName) {
+    QAction* action = getMenuAction(menuName);
+
+    // only proceed if the menu actually exists
+    if (action) {
+        return action->isEnabled();
+    }
+    return false;
+}
+
+void Menu::setMenuEnabled(const QString& menuName, bool isEnabled) {
+    QAction* action = getMenuAction(menuName);
+
+    // only proceed if the menu actually exists
+    if (action) {
+        action->setEnabled(isEnabled);
+    }
+}
+
 void Menu::addSeparator(const QString& menuName, const QString& separatorName, const QString& grouping) {
     MenuWrapper* menuObj = getMenu(menuName);
     if (menuObj) {

libraries/ui/src/ui/Menu.h

@@ -106,6 +106,9 @@ public slots:
     bool isOptionChecked(const QString& menuOption) const;
     void setIsOptionChecked(const QString& menuOption, bool isChecked);
 
+    bool isMenuEnabled(const QString& menuName);
+    void setMenuEnabled(const QString& menuName, bool isEnabled);
+
     bool getGroupingIsVisible(const QString& grouping);
     void setGroupingIsVisible(const QString& grouping, bool isVisible); /// NOTE: the "" grouping is always visible