change in topmenu and some fixes

src/framework/ui/uianchorlayout.cpp

@@ -84,6 +84,9 @@ void UIAnchorLayout::removeWidget(const UIWidgetPtr& widget)
 void UIAnchorLayout::updateWidget(const UIWidgetPtr& widget, UIAnchorGroup& anchorGroup)
 {
     UIWidgetPtr parentWidget = getParentWidget();
+    if(!parentWidget)
+        return;
+
     Rect newRect = widget->getRect();
     bool verticalMoved = false;
     bool horizontalMoved = false;

src/framework/ui/uihorizontallayout.cpp

@@ -38,6 +38,8 @@ void UIHorizontalLayout::applyStyle(const OTMLNodePtr& styleNode)
 void UIHorizontalLayout::internalUpdate()
 {
     UIWidgetPtr parentWidget = getParentWidget();
+    if(!parentWidget)
+        return;
     UIWidgetList widgets = parentWidget->getChildren();
 
     if(m_alignRight)

src/framework/ui/uiverticallayout.cpp

@@ -37,6 +37,9 @@ void UIVerticalLayout::applyStyle(const OTMLNodePtr& styleNode)
 void UIVerticalLayout::internalUpdate()
 {
     UIWidgetPtr parentWidget = getParentWidget();
+    if(!parentWidget)
+        return;
+
     UIWidgetList widgets = parentWidget->getChildren();
 
     if(m_alignBottom)

src/framework/ui/uiwidget.cpp

@@ -639,6 +639,9 @@ void UIWidget::setVisible(bool visible)
                 parent->focusPreviousChild(Fw::ActiveFocusReason);
         }
 
+        // visibility can change can change parent layout
+        updateParentLayout();
+
         updateState(Fw::ActiveState);
         updateState(Fw::HoverState);
     }

src/framework/util/utf8.cpp

@@ -29,6 +29,7 @@ char Fw::utf8CharToLatin1(uchar *utf8, int *read)
 {
     char c = '?';
     uchar opt1 = utf8[0];
+    *read = 1;
     if(opt1 == 0xc3) {
         *read = 2;
         uchar opt2 = utf8[1];
@@ -39,7 +40,6 @@ char Fw::utf8CharToLatin1(uchar *utf8, int *read)
         if(opt2 > 0xa1 && opt2 < 0xbb)
             c = opt2;
     } else if(opt1 < 0xc2) {
-        *read = 1;
         c = opt1;
     }
     return c;
@@ -49,7 +49,7 @@ std::string Fw::utf8StringToLatin1(uchar *utf8) {
     std::string out;
     int len = strlen((char*)utf8);
     for(int i=0; i<len;) {
-        int read;
+        int read = 0;
         uchar *utf8char = &utf8[i];
         out += Fw::utf8CharToLatin1(utf8char, &read);
         i += read;