create in game interface panels and renable about and options windows

src/framework/ui/uiwidget.cpp

@@ -82,13 +82,22 @@ void UIWidget::destroy()
 }
 
 void UIWidget::render()
+{
+    renderSelf();
+    renderChildren();
+}
+
+void UIWidget::renderSelf()
 {
     // draw background
     if(m_image) {
         g_graphics.bindColor(m_backgroundColor);
         m_image->draw(m_rect);
     }
+}
 
+void UIWidget::renderChildren()
+{
     // draw children
     for(const UIWidgetPtr& child : m_children) {
         // render only visible children with a valid rect
@@ -191,6 +200,12 @@ void UIWidget::unlock()
         parent->unlockChild(asUIWidget());
 }
 
+void UIWidget::focus()
+{
+    if(UIWidgetPtr parent = getParent())
+        parent->focusChild(asUIWidget(), Fw::ActiveFocusReason);
+}
+
 bool UIWidget::isVisible()
 {
     if(!m_visible)

src/framework/ui/uiwidget.h

@@ -40,6 +40,8 @@ public:
 
     virtual void setup();
     virtual void render();
+    void renderSelf();
+    void renderChildren();
 
     void setVisible(bool visible);
     void setEnabled(bool enabled) { m_enabled = enabled; updateState(Fw::DisabledState); }
@@ -76,6 +78,7 @@ public:
     void enable() { setEnabled(true); }
     void lock();
     void unlock();
+    void focus();
 
     bool isActive() const { return hasState(Fw::ActiveState); }
     bool isEnabled() const { return !hasState(Fw::DisabledState); }