Dual pane navigation & more player editor

src/dusk/ui/component.cpp

@@ -13,6 +13,9 @@ void Component::update() {
 }
 
 bool Component::focus() {
+    if (disabled()) {
+        return false;
+    }
     // Can we focus self?
     if (mRoot->Focus(true)) {
         mRoot->ScrollIntoView(Rml::ScrollIntoViewOptions{
@@ -32,6 +35,31 @@ bool Component::focus() {
     return false;
 }
 
+void Component::set_selected(bool value) {
+    // Subclasses may override selected() to return a dynamic value, but
+    // we're only interested in if the pseudoclass is set or not, so we
+    // use Component::selected() directly rather than selected().
+    if (Component::selected() == value) {
+        return;
+    }
+    mRoot->SetPseudoClass("selected", value);
+    mRoot->DispatchEvent(Rml::EventId::Change, {{"selected", Rml::Variant{value}}});
+}
+
+void Component::set_disabled(bool value) {
+    if (Component::disabled() == value) {
+        return;
+    }
+    if (value) {
+        mRoot->SetAttribute("disabled", "");
+        mRoot->SetPseudoClass("disabled", true);
+        mRoot->Blur();
+    } else {
+        mRoot->RemoveAttribute("disabled");
+        mRoot->SetPseudoClass("disabled", false);
+    }
+}
+
 Rml::Element* Component::append(Rml::Element* parent, const Rml::String& tag) {
     if (parent == nullptr) {
         return nullptr;
@@ -42,7 +70,6 @@ Rml::Element* Component::append(Rml::Element* parent, const Rml::String& tag) {
     }
     return parent->AppendChild(doc->CreateElement(tag));
 }
-
 void Component::listen(Rml::Element* element, Rml::EventId event,
     ScopedEventListener::Callback callback, bool capture) {
     if (element == nullptr) {