qdr.app.tools/UILayoutDefinitionFormat/ui-layout-avalonia-controls.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="ui-layout-avalonia-controls"
           xmlns:tns="ui-layout-avalonia-controls"
           xmlns:basic="ui-layout-basic-controls"
           elementFormDefault="qualified"
           version="1.3">

  <!-- Import basic controls -->
  <xs:import namespace="ui-layout-basic-controls" schemaLocation="ui-layout-basic-controls.xsd"/>

  <!-- Avalonia Control Instance Type -->
  <xs:complexType name="AvaloniaControlInstanceType" mixed="true">
    <xs:group ref="tns:AvaloniaControlContentGroup" minOccurs="0" maxOccurs="unbounded"/>
    <!-- ENHANCEMENT: v1.3 Avalonia-specific attributes -->
    <xs:attribute name="schema-version" type="xs:string" default="1.3"/>
    <xs:attribute name="avalonia-version" type="xs:string" default="11.0"/>
    <xs:attribute name="theme-variant" type="tns:ThemeVariantEnum" default="default"/>
    <xs:attribute name="design-mode" type="xs:boolean" default="false"/>
    <xs:anyAttribute processContents="lax"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Theme Variant Enumeration -->
  <xs:simpleType name="ThemeVariantEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="default"/>
      <xs:enumeration value="light"/>
      <xs:enumeration value="dark"/>
      <xs:enumeration value="high-contrast"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Avalonia Control Content Group -->
  <xs:group name="AvaloniaControlContentGroup">
    <xs:choice>
      <!-- Include all basic controls -->
      <xs:group ref="basic:BasicControlContentGroup"/>
      
      <!-- Avalonia-Specific Controls -->
      <xs:element name="AvaloniaButton" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="RepeatButton" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ToggleButton" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="SplitButton" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="StackPanel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Grid" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DockPanel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="WrapPanel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Canvas" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="UniformGrid" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="RelativePanel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaTextBox" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NumericUpDown" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AutoCompleteBox" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaComboBox" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="CalendarDatePicker" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TimePicker" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DatePickerPresenter" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Slider" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="RangeSlider" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaLabel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TextBlock" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="SelectableTextBlock" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ProgressBar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaListView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DataGrid" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaTreeView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TreeDataGrid" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Border" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ScrollViewer" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Expander" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TabControl" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="SplitView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="MenuBar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NativeMenuBar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ContextMenu" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ToolTip" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="FlyoutBase" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Flyout" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="MenuFlyout" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Window" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="UserControl" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ContentControl" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="HeaderedContentControl" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="MediaElement" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="MaskedTextBox" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ColorPicker" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="PathIcon" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Viewbox" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NotificationCard" type="tns:AvaloniaControlInstanceType"/>
      
      <!-- ENHANCEMENT: v1.3 new Avalonia controls -->
      <xs:element name="InfoBar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TeachingTip" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ToggleSwitch" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Rating" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="RefreshContainer" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="SwipeView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NavigationView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Breadcrumb" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="PullToRefresh" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ItemsRepeater" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="VirtualizingStackPanel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Carousel" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="FlipView" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="SmoothScrollViewer" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Popup" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="OverlayPopupHost" type="tns:AvaloniaControlInstanceType"/>
      
      <!-- Avalonia Graphics and Drawing -->
      <xs:element name="Canvas" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Shapes" type="tns:ShapesType"/>
      <xs:element name="Geometry" type="tns:GeometryType"/>
      <xs:element name="Transform" type="tns:TransformType"/>
      <xs:element name="Animation" type="tns:AnimationType"/>
      
      <!-- Avalonia Structure Elements -->
      <xs:element name="AvaloniaFormField" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaButtonBar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaToolbar" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="AvaloniaStatusBar" type="tns:AvaloniaControlInstanceType"/>
      
      <!-- Avalonia Item Elements -->
      <xs:element name="ListBoxItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="ComboBoxItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TreeViewItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="TabItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="MenuItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NativeMenuItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="NavigationViewItem" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="BreadcrumbItem" type="tns:AvaloniaControlInstanceType"/>
      
      <!-- Avalonia Data Grid Columns -->
      <xs:element name="DataGridColumn" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DataGridTextColumn" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DataGridCheckBoxColumn" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DataGridComboBoxColumn" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="DataGridTemplateColumn" type="tns:AvaloniaControlInstanceType"/>
      
      <!-- Avalonia-specific supporting elements -->
      <xs:element name="grid-definitions" type="tns:GridDefinitionsType"/>
      <xs:element name="tabs" type="tns:TabsType"/>
      <xs:element name="pane" type="tns:PaneType"/>
      <xs:element name="content" type="tns:ContentType"/>
      <xs:element name="resources" type="tns:ResourcesType"/>
      <xs:element name="styles" type="tns:StylesType"/>
      <xs:element name="triggers" type="tns:TriggersType"/>
      
      <!-- ENHANCEMENT: v1.3 new supporting elements -->
      <xs:element name="gestures" type="tns:GesturesType"/>
      <xs:element name="interactions" type="tns:InteractionsType"/>
      <xs:element name="behaviors" type="tns:BehaviorsType"/>
    </xs:choice>
  </xs:group>

  <!-- ENHANCEMENT: Shapes Type -->
  <xs:complexType name="ShapesType">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="Rectangle" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Ellipse" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Line" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Polyline" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Polygon" type="tns:AvaloniaControlInstanceType"/>
      <xs:element name="Path" type="tns:AvaloniaControlInstanceType"/>
    </xs:choice>
  </xs:complexType>

  <!-- ENHANCEMENT: Geometry Type -->
  <xs:complexType name="GeometryType">
    <xs:choice>
      <xs:element name="RectangleGeometry" type="tns:RectangleGeometryType"/>
      <xs:element name="EllipseGeometry" type="tns:EllipseGeometryType"/>
      <xs:element name="LineGeometry" type="tns:LineGeometryType"/>
      <xs:element name="PathGeometry" type="tns:PathGeometryType"/>
      <xs:element name="CombinedGeometry" type="tns:CombinedGeometryType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="RectangleGeometryType">
    <xs:attribute name="rect" type="xs:string" use="required"/>
    <xs:attribute name="radius-x" type="xs:double" default="0"/>
    <xs:attribute name="radius-y" type="xs:double" default="0"/>
  </xs:complexType>

  <xs:complexType name="EllipseGeometryType">
    <xs:attribute name="center" type="xs:string" use="required"/>
    <xs:attribute name="radius-x" type="xs:double" use="required"/>
    <xs:attribute name="radius-y" type="xs:double" use="required"/>
  </xs:complexType>

  <xs:complexType name="LineGeometryType">
    <xs:attribute name="start-point" type="xs:string" use="required"/>
    <xs:attribute name="end-point" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="PathGeometryType">
    <xs:attribute name="data" type="xs:string" use="required"/>
    <xs:attribute name="fill-rule" type="tns:FillRuleEnum" default="EvenOdd"/>
  </xs:complexType>

  <xs:complexType name="CombinedGeometryType">
    <xs:attribute name="geometry1" type="xs:string" use="required"/>
    <xs:attribute name="geometry2" type="xs:string" use="required"/>
    <xs:attribute name="combine-mode" type="tns:CombineModeEnum" use="required"/>
  </xs:complexType>

  <xs:simpleType name="FillRuleEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="EvenOdd"/>
      <xs:enumeration value="NonZero"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="CombineModeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Union"/>
      <xs:enumeration value="Intersect"/>
      <xs:enumeration value="Xor"/>
      <xs:enumeration value="Exclude"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Transform Type -->
  <xs:complexType name="TransformType">
    <xs:choice>
      <xs:element name="TranslateTransform" type="tns:TranslateTransformType"/>
      <xs:element name="RotateTransform" type="tns:RotateTransformType"/>
      <xs:element name="ScaleTransform" type="tns:ScaleTransformType"/>
      <xs:element name="SkewTransform" type="tns:SkewTransformType"/>
      <xs:element name="MatrixTransform" type="tns:MatrixTransformType"/>
      <xs:element name="TransformGroup" type="tns:TransformGroupType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="TranslateTransformType">
    <xs:attribute name="x" type="xs:double" default="0"/>
    <xs:attribute name="y" type="xs:double" default="0"/>
  </xs:complexType>

  <xs:complexType name="RotateTransformType">
    <xs:attribute name="angle" type="xs:double" use="required"/>
    <xs:attribute name="center-x" type="xs:double" default="0"/>
    <xs:attribute name="center-y" type="xs:double" default="0"/>
  </xs:complexType>

  <xs:complexType name="ScaleTransformType">
    <xs:attribute name="scale-x" type="xs:double" default="1"/>
    <xs:attribute name="scale-y" type="xs:double" default="1"/>
    <xs:attribute name="center-x" type="xs:double" default="0"/>
    <xs:attribute name="center-y" type="xs:double" default="0"/>
  </xs:complexType>

  <xs:complexType name="SkewTransformType">
    <xs:attribute name="angle-x" type="xs:double" default="0"/>
    <xs:attribute name="angle-y" type="xs:double" default="0"/>
    <xs:attribute name="center-x" type="xs:double" default="0"/>
    <xs:attribute name="center-y" type="xs:double" default="0"/>
  </xs:complexType>

  <xs:complexType name="MatrixTransformType">
    <xs:attribute name="matrix" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="TransformGroupType">
    <xs:sequence>
      <xs:element name="Transform" type="tns:TransformType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <!-- ENHANCEMENT: Animation Type -->
  <xs:complexType name="AnimationType">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="DoubleAnimation" type="tns:DoubleAnimationType"/>
      <xs:element name="ColorAnimation" type="tns:ColorAnimationType"/>
      <xs:element name="PointAnimation" type="tns:PointAnimationType"/>
      <xs:element name="ThicknessAnimation" type="tns:ThicknessAnimationType"/>
      <xs:element name="Storyboard" type="tns:StoryboardType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="DoubleAnimationType">
    <xs:attribute name="target-property" type="xs:string" use="required"/>
    <xs:attribute name="from" type="xs:double"/>
    <xs:attribute name="to" type="xs:double"/>
    <xs:attribute name="duration" type="xs:string" use="required"/>
    <xs:attribute name="easing" type="tns:EasingEnum" default="Linear"/>
    <xs:attribute name="auto-reverse" type="xs:boolean" default="false"/>
    <xs:attribute name="repeat-count" type="xs:string" default="1"/>
  </xs:complexType>

  <xs:complexType name="ColorAnimationType">
    <xs:attribute name="target-property" type="xs:string" use="required"/>
    <xs:attribute name="from" type="xs:string"/>
    <xs:attribute name="to" type="xs:string"/>
    <xs:attribute name="duration" type="xs:string" use="required"/>
    <xs:attribute name="easing" type="tns:EasingEnum" default="Linear"/>
    <xs:attribute name="auto-reverse" type="xs:boolean" default="false"/>
    <xs:attribute name="repeat-count" type="xs:string" default="1"/>
  </xs:complexType>

  <xs:complexType name="PointAnimationType">
    <xs:attribute name="target-property" type="xs:string" use="required"/>
    <xs:attribute name="from" type="xs:string"/>
    <xs:attribute name="to" type="xs:string"/>
    <xs:attribute name="duration" type="xs:string" use="required"/>
    <xs:attribute name="easing" type="tns:EasingEnum" default="Linear"/>
  </xs:complexType>

  <xs:complexType name="ThicknessAnimationType">
    <xs:attribute name="target-property" type="xs:string" use="required"/>
    <xs:attribute name="from" type="xs:string"/>
    <xs:attribute name="to" type="xs:string"/>
    <xs:attribute name="duration" type="xs:string" use="required"/>
    <xs:attribute name="easing" type="tns:EasingEnum" default="Linear"/>
  </xs:complexType>

  <xs:complexType name="StoryboardType">
    <xs:sequence>
      <xs:element name="Animation" type="tns:AnimationType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string"/>
    <xs:attribute name="target" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="EasingEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Linear"/>
      <xs:enumeration value="QuadraticEaseIn"/>
      <xs:enumeration value="QuadraticEaseOut"/>
      <xs:enumeration value="QuadraticEaseInOut"/>
      <xs:enumeration value="CubicEaseIn"/>
      <xs:enumeration value="CubicEaseOut"/>
      <xs:enumeration value="CubicEaseInOut"/>
      <xs:enumeration value="BackEaseIn"/>
      <xs:enumeration value="BackEaseOut"/>
      <xs:enumeration value="BackEaseInOut"/>
      <xs:enumeration value="BounceEaseIn"/>
      <xs:enumeration value="BounceEaseOut"/>
      <xs:enumeration value="BounceEaseInOut"/>
      <xs:enumeration value="ElasticEaseIn"/>
      <xs:enumeration value="ElasticEaseOut"/>
      <xs:enumeration value="ElasticEaseInOut"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Gestures Type -->
  <xs:complexType name="GesturesType">
    <xs:sequence>
      <xs:element name="gesture" type="tns:GestureType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="GestureType">
    <xs:attribute name="type" type="tns:GestureTypeEnum" use="required"/>
    <xs:attribute name="handler" type="xs:string" use="required"/>
    <xs:attribute name="parameter" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="GestureTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Tap"/>
      <xs:enumeration value="DoubleTap"/>
      <xs:enumeration value="RightTap"/>
      <xs:enumeration value="Hold"/>
      <xs:enumeration value="Swipe"/>
      <xs:enumeration value="Pan"/>
      <xs:enumeration value="Pinch"/>
      <xs:enumeration value="Rotate"/>
      <xs:enumeration value="Drag"/>
      <xs:enumeration value="Flick"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Interactions Type -->
  <xs:complexType name="InteractionsType">
    <xs:sequence>
      <xs:element name="interaction" type="tns:InteractionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="InteractionType">
    <xs:attribute name="type" type="tns:InteractionTypeEnum" use="required"/>
    <xs:attribute name="target" type="xs:string"/>
    <xs:attribute name="command" type="xs:string"/>
    <xs:attribute name="parameter" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="InteractionTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="EventTrigger"/>
      <xs:enumeration value="PropertyChangedTrigger"/>
      <xs:enumeration value="DataTrigger"/>
      <xs:enumeration value="CallMethodAction"/>
      <xs:enumeration value="InvokeCommandAction"/>
      <xs:enumeration value="ChangePropertyAction"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Behaviors Type -->
  <xs:complexType name="BehaviorsType">
    <xs:sequence>
      <xs:element name="behavior" type="tns:BehaviorType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="BehaviorType">
    <xs:attribute name="type" type="tns:BehaviorTypeEnum" use="required"/>
    <xs:attribute name="target" type="xs:string"/>
    <xs:attribute name="property" type="xs:string"/>
    <xs:attribute name="value" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="BehaviorTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="DragBehavior"/>
      <xs:enumeration value="DropBehavior"/>
      <xs:enumeration value="SelectionBehavior"/>
      <xs:enumeration value="ValidationBehavior"/>
      <xs:enumeration value="AnimationBehavior"/>
      <xs:enumeration value="FocusBehavior"/>
      <xs:enumeration value="ScrollBehavior"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Avalonia-specific supporting types -->
  <xs:complexType name="GridDefinitionsType">
    <xs:sequence>
      <xs:element name="row-definitions" type="tns:RowDefinitionsType"/>
      <xs:element name="column-definitions" type="tns:ColumnDefinitionsType"/>
    </xs:sequence>
    <!-- ENHANCEMENT: v1.3 grid enhancements -->
    <xs:attribute name="show-grid-lines" type="xs:boolean" default="false"/>
    <xs:attribute name="grid-line-brush" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="RowDefinitionsType">
    <xs:sequence>
      <xs:element name="row-definition" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="height" type="xs:string" use="required"/>
          <xs:attribute name="min-height" type="xs:string" default="0"/>
          <xs:attribute name="max-height" type="xs:string" default="Infinity"/>
          <!-- ENHANCEMENT: v1.3 additions -->
          <xs:attribute name="shared-size-group" type="xs:string"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ColumnDefinitionsType">
    <xs:sequence>
      <xs:element name="column-definition" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="width" type="xs:string" use="required"/>
          <xs:attribute name="min-width" type="xs:string" default="0"/>
          <xs:attribute name="max-width" type="xs:string" default="Infinity"/>
          <!-- ENHANCEMENT: v1.3 additions -->
          <xs:attribute name="shared-size-group" type="xs:string"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="TabsType">
    <xs:sequence>
      <xs:element name="TabItem" maxOccurs="unbounded">
        <xs:complexType>
          <xs:complexContent>
            <xs:extension base="tns:AvaloniaControlInstanceType">
              <xs:attribute name="header" type="xs:string"/>
              <xs:attribute name="is-selected" type="xs:boolean" default="false"/>
              <!-- ENHANCEMENT: v1.3 tab enhancements -->
              <xs:attribute name="closable" type="xs:boolean" default="false"/>
              <xs:attribute name="icon" type="xs:string"/>
              <xs:attribute name="badge" type="xs:string"/>
            </xs:extension>
          </xs:complexContent>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PaneType">
    <xs:complexContent>
      <xs:extension base="tns:AvaloniaControlInstanceType">
        <!-- ENHANCEMENT: v1.3 pane enhancements -->
        <xs:attribute name="collapsible" type="xs:boolean" default="false"/>
        <xs:attribute name="resizable" type="xs:boolean" default="true"/>
        <xs:attribute name="dockable" type="xs:boolean" default="false"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="ContentType">
    <xs:complexContent>
      <xs:extension base="tns:AvaloniaControlInstanceType">
        <!-- ENHANCEMENT: v1.3 content enhancements -->
        <xs:attribute name="stretch" type="tns:StretchEnum" default="Uniform"/>
        <xs:attribute name="horizontal-alignment" type="tns:HorizontalAlignmentEnum" default="Center"/>
        <xs:attribute name="vertical-alignment" type="tns:VerticalAlignmentEnum" default="Center"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:simpleType name="StretchEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="None"/>
      <xs:enumeration value="Fill"/>
      <xs:enumeration value="Uniform"/>
      <xs:enumeration value="UniformToFill"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="HorizontalAlignmentEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Left"/>
      <xs:enumeration value="Center"/>
      <xs:enumeration value="Right"/>
      <xs:enumeration value="Stretch"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="VerticalAlignmentEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Top"/>
      <xs:enumeration value="Center"/>
      <xs:enumeration value="Bottom"/>
      <xs:enumeration value="Stretch"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Resources Type -->
  <xs:complexType name="ResourcesType">
    <xs:sequence>
      <xs:element name="resource" type="tns:ResourceType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ResourceType">
    <xs:attribute name="key" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ResourceTypeEnum" use="required"/>
    <xs:attribute name="value" type="xs:string"/>
    <xs:attribute name="source" type="xs:anyURI"/>
  </xs:complexType>

  <xs:simpleType name="ResourceTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Brush"/>
      <xs:enumeration value="Color"/>
      <xs:enumeration value="Font"/>
      <xs:enumeration value="FontFamily"/>
      <xs:enumeration value="Thickness"/>
      <xs:enumeration value="CornerRadius"/>
      <xs:enumeration value="Image"/>
      <xs:enumeration value="Icon"/>
      <xs:enumeration value="Style"/>
      <xs:enumeration value="Template"/>
      <xs:enumeration value="Geometry"/>
      <xs:enumeration value="Transform"/>
      <xs:enumeration value="Animation"/>
      <xs:enumeration value="String"/>
      <xs:enumeration value="Double"/>
      <xs:enumeration value="Boolean"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Styles Type -->
  <xs:complexType name="StylesType">
    <xs:sequence>
      <xs:element name="style" type="tns:StyleType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="StyleType">
    <xs:sequence>
      <xs:element name="setter" type="tns:SetterType" maxOccurs="unbounded"/>
      <xs:element name="trigger" type="tns:TriggerType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="selector" type="xs:string" use="required"/>
    <xs:attribute name="target-type" type="xs:string"/>
    <xs:attribute name="base-style" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="SetterType">
    <xs:attribute name="property" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="TriggerType">
    <xs:sequence>
      <xs:element name="setter" type="tns:SetterType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="property" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Triggers Type -->
  <xs:complexType name="TriggersType">
    <xs:sequence>
      <xs:element name="trigger" type="tns:AdvancedTriggerType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="AdvancedTriggerType">
    <xs:sequence>
      <xs:element name="condition" type="tns:TriggerConditionType" maxOccurs="unbounded"/>
      <xs:element name="action" type="tns:TriggerActionType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string"/>
    <xs:attribute name="type" type="tns:TriggerTypeEnum" use="required"/>
  </xs:complexType>

  <xs:complexType name="TriggerConditionType">
    <xs:attribute name="property" type="xs:string" use="required"/>
    <xs:attribute name="operator" type="tns:ComparisonOperatorEnum" use="required"/>
    <xs:attribute name="value" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="TriggerActionType">
    <xs:attribute name="type" type="tns:ActionTypeEnum" use="required"/>
    <xs:attribute name="target" type="xs:string"/>
    <xs:attribute name="property" type="xs:string"/>
    <xs:attribute name="value" type="xs:string"/>
    <xs:attribute name="command" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="TriggerTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Property"/>
      <xs:enumeration value="Event"/>
      <xs:enumeration value="Data"/>
      <xs:enumeration value="Multi"/>
      <xs:enumeration value="Condition"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ComparisonOperatorEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Equal"/>
      <xs:enumeration value="NotEqual"/>
      <xs:enumeration value="GreaterThan"/>
      <xs:enumeration value="LessThan"/>
      <xs:enumeration value="GreaterThanOrEqual"/>
      <xs:enumeration value="LessThanOrEqual"/>
      <xs:enumeration value="Contains"/>
      <xs:enumeration value="StartsWith"/>
      <xs:enumeration value="EndsWith"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ActionTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="SetProperty"/>
      <xs:enumeration value="InvokeCommand"/>
      <xs:enumeration value="BeginStoryboard"/>
      <xs:enumeration value="StopStoryboard"/>
      <xs:enumeration value="PlaySound"/>
      <xs:enumeration value="CallMethod"/>
    </xs:restriction>
  </xs:simpleType>

</xs:schema>