'tab' key skips disabled widgets

'ghost' read traps are displayed by 'RTrapG'

src/emucore/M6502.cxx

@@ -147,7 +147,8 @@ inline uInt8 M6502::peek(uInt16 address, uInt8 flags)
     {
       myJustHitReadTrapFlag = true;
       stringstream msg;
-      msg << "RTrap[" << Common::Base::HEX2 << cond << "]" << (myTrapCondNames[cond].empty() ? ": " : "If: {" + myTrapCondNames[cond] + "} ");
+      msg << "RTrap" << (flags == DISASM_NONE ? "G[" : "[") << Common::Base::HEX2 << cond << "]"
+        << (myTrapCondNames[cond].empty() ? ": " : "If: {" + myTrapCondNames[cond] + "} ");
       myHitTrapInfo.message = msg.str();
       myHitTrapInfo.address = address;
     }

src/gui/PopUpWidget.cxx

@@ -248,7 +248,6 @@ void PopUpWidget::drawWidget(bool hilite)
   // Fill the background
   s.fillRect(x + 1, _y + 1, w - 17, _h - 2, kWidColor);
   s.fillRect(x + w - 15, _y + 2, 13, _h - 4, isEnabled() && hilite ? kWidColor : kBGColorHi);
-  //s.vLine(x + w - 17, _y, _y + _h - 1, kShadowColor);
   // Draw an arrow pointing down at the right end to signal this is a dropdown/popup
   s.drawBitmap(down_arrow, x + w - 13, _y + myArrowsY + 1,
                !isEnabled() ? kColor : kTextColor, 9u, 8u);

src/gui/Widget.cxx

@@ -241,24 +241,31 @@ Widget* Widget::setFocusForChain(GuiObject* boss, WidgetArray& arr,
     return nullptr;
   else
   {
-    switch(direction)
+    int oldPos = pos;
+    do
     {
-      case -1:  // previous widget
-        pos--;
-        if(pos < 0)
-          pos = size - 1;
-        break;
+      switch(direction)
+      {
+        case -1:  // previous widget
+          pos--;
+          if(pos < 0)
+            pos = size - 1;
+          break;
 
-      case +1:  // next widget
-        pos++;
-        if(pos >= size)
-          pos = 0;
-        break;
+        case +1:  // next widget
+          pos++;
+          if(pos >= size)
+            pos = 0;
+          break;
 
-      default:
-        // pos already set
+        default:
+          // pos already set
+          break;
+      }
+      // break if all widgets should be disabled
+      if(oldPos == pos)
         break;
-    }
+    } while(!arr[pos]->isEnabled());
   }
 
   // Now highlight the active widget