qdr.app.tools/UILayoutDefinitionFormat/ui-layout-patterns.xsd

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

  <!-- Root element for pattern include files -->
  <xs:element name="patterns" type="tns:PatternsIncludeFileType"/>

  <!-- Pattern include file structure -->
  <xs:complexType name="PatternsIncludeFileType">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="control" type="tns:ControlType"/>
      <xs:element name="structure" type="tns:StructureType"/>
      <xs:element name="wireframe" type="tns:WireframeType"/>
    </xs:choice>
    <!-- ENHANCEMENT: Version tracking for pattern files -->
    <xs:attribute name="schema-version" type="xs:string" default="1.3"/>
    <xs:attribute name="target-platform" type="tns:PlatformEnum" default="basic"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Platform Enumeration -->
  <xs:simpleType name="PlatformEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="basic"/>
      <xs:enumeration value="winforms"/>
      <xs:enumeration value="avalonia"/>
      <xs:enumeration value="kde"/>
      <xs:enumeration value="web"/>
      <xs:enumeration value="mobile"/>
      <xs:enumeration value="mixed"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Control Definition -->
  <xs:complexType name="ControlType">
    <xs:sequence>
      <xs:element name="description" type="xs:string" minOccurs="0"/>
      <xs:element name="constraints" type="tns:ConstraintsType" minOccurs="0"/>
      <xs:element name="attributes" type="tns:AttributesType" minOccurs="0"/>
      <xs:element name="behavior" type="tns:BehaviorType" minOccurs="0"/>
      <xs:element name="structure" type="tns:ControlStructureType" minOccurs="0"/>
      <!-- ENHANCEMENT: v1.3 features -->
      <xs:element name="validation" type="tns:ValidationRulesType" minOccurs="0"/>
      <xs:element name="accessibility" type="tns:AccessibilityRequirementsType" minOccurs="0"/>
      <xs:element name="data-binding" type="tns:DataBindingCapabilitiesType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ControlTypeEnum" use="required"/>
    <xs:attribute name="category" type="tns:ControlCategoryEnum" use="required"/>
    <xs:attribute name="inherits" type="xs:string"/>
    <xs:attribute name="platform" type="tns:PlatformEnum" default="basic"/>
    <!-- ENHANCEMENT: Version tracking -->
    <xs:attribute name="schema-version" type="xs:string" default="1.3"/>
    <xs:attribute name="deprecated" type="xs:boolean" default="false"/>
    <xs:attribute name="replaced-by" type="xs:string"/>
  </xs:complexType>

  <!-- Control Type Enumeration -->
  <xs:simpleType name="ControlTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="base"/>
      <xs:enumeration value="action"/>
      <xs:enumeration value="input"/>
      <xs:enumeration value="display"/>
      <xs:enumeration value="container"/>
      <xs:enumeration value="data"/>
      <xs:enumeration value="navigation"/>
      <xs:enumeration value="system"/>
      <xs:enumeration value="dialog"/>
      <xs:enumeration value="layout"/>
      <xs:enumeration value="media"/>
      <xs:enumeration value="decoration"/>
      <!-- ENHANCEMENT: New control types -->
      <xs:enumeration value="composite"/>
      <xs:enumeration value="virtual"/>
      <xs:enumeration value="utility"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Expanded Control Category Enumeration -->
  <xs:simpleType name="ControlCategoryEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="abstract"/>
      <xs:enumeration value="basic"/>
      <xs:enumeration value="input"/>
      <xs:enumeration value="action"/>
      <xs:enumeration value="layout"/>
      <xs:enumeration value="data"/>
      <xs:enumeration value="navigation"/>
      <xs:enumeration value="composite"/>
      <xs:enumeration value="windows-specific"/>
      <xs:enumeration value="winforms-basic"/>
      <xs:enumeration value="winforms-input"/>
      <xs:enumeration value="winforms-action"/>
      <xs:enumeration value="winforms-container"/>
      <xs:enumeration value="winforms-data"/>
      <xs:enumeration value="winforms-status"/>
      <xs:enumeration value="winforms-menu"/>
      <xs:enumeration value="winforms-toolbar"/>
      <xs:enumeration value="winforms-scroll"/>
      <xs:enumeration value="winforms-display"/>
      <xs:enumeration value="winforms-system"/>
      <xs:enumeration value="winforms-validation"/>
      <xs:enumeration value="winforms-dialog"/>
      <xs:enumeration value="winforms-web"/>
      <xs:enumeration value="avalonia-specific"/>
      <xs:enumeration value="avalonia-layout"/>
      <xs:enumeration value="avalonia-input"/>
      <xs:enumeration value="avalonia-display"/>
      <xs:enumeration value="avalonia-data"/>
      <xs:enumeration value="avalonia-container"/>
      <xs:enumeration value="avalonia-decoration"/>
      <xs:enumeration value="avalonia-navigation"/>
      <xs:enumeration value="avalonia-popup"/>
      <xs:enumeration value="avalonia-window"/>
      <xs:enumeration value="avalonia-media"/>
      <xs:enumeration value="avalonia-notification"/>
      <xs:enumeration value="avalonia-composite"/>
      <xs:enumeration value="avalonia-graphics"/>
      <xs:enumeration value="kde-specific"/>
      <xs:enumeration value="web-specific"/>
      <xs:enumeration value="mobile-specific"/>
      <!-- ENHANCEMENT: v1.3 new categories -->
      <xs:enumeration value="virtualization"/>
      <xs:enumeration value="ai-enhanced"/>
      <xs:enumeration value="accessibility-specialized"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Validation Rules Type -->
  <xs:complexType name="ValidationRulesType">
    <xs:sequence>
      <xs:element name="rule" type="tns:ValidationRuleType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ValidationRuleType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ValidationTypeEnum" use="required"/>
    <xs:attribute name="pattern" type="xs:string"/>
    <xs:attribute name="message" type="xs:string"/>
    <xs:attribute name="severity" type="tns:ValidationSeverityEnum" default="error"/>
  </xs:complexType>

  <xs:simpleType name="ValidationTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="required"/>
      <xs:enumeration value="pattern"/>
      <xs:enumeration value="range"/>
      <xs:enumeration value="length"/>
      <xs:enumeration value="custom"/>
      <xs:enumeration value="email"/>
      <xs:enumeration value="url"/>
      <xs:enumeration value="number"/>
      <xs:enumeration value="date"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ValidationSeverityEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="error"/>
      <xs:enumeration value="warning"/>
      <xs:enumeration value="info"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Accessibility Requirements Type -->
  <xs:complexType name="AccessibilityRequirementsType">
    <xs:sequence>
      <xs:element name="requirement" type="tns:AccessibilityRequirementType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="AccessibilityRequirementType">
    <xs:attribute name="standard" type="tns:AccessibilityStandardEnum" use="required"/>
    <xs:attribute name="level" type="tns:AccessibilityLevelEnum" use="required"/>
    <xs:attribute name="description" type="xs:string"/>
    <xs:attribute name="required" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:simpleType name="AccessibilityStandardEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="wcag"/>
      <xs:enumeration value="section-508"/>
      <xs:enumeration value="ada"/>
      <xs:enumeration value="en-301-549"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="AccessibilityLevelEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="a"/>
      <xs:enumeration value="aa"/>
      <xs:enumeration value="aaa"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Data Binding Capabilities Type -->
  <xs:complexType name="DataBindingCapabilitiesType">
    <xs:sequence>
      <xs:element name="bindable-property" type="tns:BindablePropertyType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="supports-two-way" type="xs:boolean" default="false"/>
    <xs:attribute name="supports-commands" type="xs:boolean" default="false"/>
    <xs:attribute name="supports-validation" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="BindablePropertyType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="mode" type="tns:BindingModeEnum" default="OneWay"/>
    <xs:attribute name="default-value" type="xs:string"/>
    <xs:attribute name="dependency-property" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:simpleType name="BindingModeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="OneWay"/>
      <xs:enumeration value="TwoWay"/>
      <xs:enumeration value="OneTime"/>
      <xs:enumeration value="OneWayToSource"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Constraints -->
  <xs:complexType name="ConstraintsType">
    <xs:sequence>
      <xs:element name="allowed-parents" type="xs:string" minOccurs="0"/>
      <xs:element name="allowed-children" type="xs:string" minOccurs="0"/>
      <xs:element name="container" type="xs:boolean" minOccurs="0"/>
      <xs:element name="max-children" type="xs:string" minOccurs="0"/>
      <xs:element name="requires-structure" type="xs:string" minOccurs="0"/>
      <xs:element name="required-slots" type="xs:string" minOccurs="0"/>
      <!-- ENHANCEMENT: v1.3 additional constraints -->
      <xs:element name="platform-constraints" type="tns:PlatformConstraintsType" minOccurs="0"/>
      <xs:element name="performance-hints" type="tns:PerformanceHintsType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <!-- ENHANCEMENT: Platform Constraints Type -->
  <xs:complexType name="PlatformConstraintsType">
    <xs:sequence>
      <xs:element name="platform-constraint" type="tns:PlatformConstraintType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PlatformConstraintType">
    <xs:attribute name="platform" type="tns:PlatformEnum" use="required"/>
    <xs:attribute name="min-version" type="xs:string"/>
    <xs:attribute name="max-version" type="xs:string"/>
    <xs:attribute name="feature-required" type="xs:string"/>
    <xs:attribute name="alternative-control" type="xs:string"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Performance Hints Type -->
  <xs:complexType name="PerformanceHintsType">
    <xs:attribute name="virtualization-supported" type="xs:boolean" default="false"/>
    <xs:attribute name="heavy-rendering" type="xs:boolean" default="false"/>
    <xs:attribute name="memory-intensive" type="xs:boolean" default="false"/>
    <xs:attribute name="ui-thread-blocking" type="xs:boolean" default="false"/>
    <xs:attribute name="recommended-max-items" type="xs:int"/>
  </xs:complexType>

  <!-- Attributes -->
  <xs:complexType name="AttributesType">
    <xs:sequence>
      <xs:element name="attribute" type="tns:AttributeType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="AttributeType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:AttributeTypeEnum" use="required"/>
    <xs:attribute name="default" type="xs:string"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="min" type="xs:int"/>
    <xs:attribute name="max" type="xs:int"/>
    <xs:attribute name="values" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 attribute enhancements -->
    <xs:attribute name="deprecated" type="xs:boolean" default="false"/>
    <xs:attribute name="platform-specific" type="tns:PlatformEnum"/>
    <xs:attribute name="validation-pattern" type="xs:string"/>
    <xs:attribute name="category" type="xs:string"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Expanded Attribute Type Enumeration -->
  <xs:simpleType name="AttributeTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="string"/>
      <xs:enumeration value="int"/>
      <xs:enumeration value="bool"/>
      <xs:enumeration value="enum"/>
      <xs:enumeration value="color"/>
      <xs:enumeration value="date"/>
      <xs:enumeration value="datetime"/>
      <xs:enumeration value="timespan"/>
      <xs:enumeration value="icon"/>
      <xs:enumeration value="image"/>
      <xs:enumeration value="object"/>
      <xs:enumeration value="decimal"/>
      <xs:enumeration value="float"/>
      <xs:enumeration value="double"/>
      <xs:enumeration value="char"/>
      <xs:enumeration value="font"/>
      <xs:enumeration value="size"/>
      <xs:enumeration value="point"/>
      <xs:enumeration value="padding"/>
      <xs:enumeration value="thickness"/>
      <xs:enumeration value="corner-radius"/>
      <xs:enumeration value="brush"/>
      <xs:enumeration value="geometry"/>
      <!-- ENHANCEMENT: v1.3 new types -->
      <xs:enumeration value="command"/>
      <xs:enumeration value="binding"/>
      <xs:enumeration value="template"/>
      <xs:enumeration value="style"/>
      <xs:enumeration value="resource"/>
      <xs:enumeration value="converter"/>
      <xs:enumeration value="validator"/>
      <xs:enumeration value="collection"/>
      <xs:enumeration value="uri"/>
      <xs:enumeration value="version"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Behavior -->
  <xs:complexType name="BehaviorType">
    <xs:sequence>
      <xs:element name="event" type="tns:EventType" maxOccurs="unbounded"/>
      <!-- ENHANCEMENT: v1.3 behavior enhancements -->
      <xs:element name="command" type="tns:CommandType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="gesture" type="tns:GestureType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="EventType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="alias" type="xs:string"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="handler-required" type="xs:boolean" default="false"/>
    <xs:attribute name="bubbles" type="xs:boolean" default="false"/>
    <xs:attribute name="parameters" type="xs:string"/>
    <!-- ENHANCEMENT: v1.3 event enhancements -->
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="cancelable" type="xs:boolean" default="false"/>
    <xs:attribute name="platform-specific" type="tns:PlatformEnum"/>
    <xs:attribute name="accessibility-event" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Command Type -->
  <xs:complexType name="CommandType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="can-execute-property" type="xs:string"/>
    <xs:attribute name="parameter-type" type="xs:string"/>
    <xs:attribute name="async" type="xs:boolean" default="false"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Gesture Type -->
  <xs:complexType name="GestureType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:GestureTypeEnum" use="required"/>
    <xs:attribute name="platform-specific" type="tns:PlatformEnum"/>
    <xs:attribute name="description" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="GestureTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="tap"/>
      <xs:enumeration value="double-tap"/>
      <xs:enumeration value="long-press"/>
      <xs:enumeration value="swipe"/>
      <xs:enumeration value="pinch"/>
      <xs:enumeration value="rotate"/>
      <xs:enumeration value="pan"/>
      <xs:enumeration value="drag"/>
      <xs:enumeration value="flick"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Control Structure (simplified for patterns) -->
  <xs:complexType name="ControlStructureType">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="items" type="tns:ItemsType"/>
      <xs:element name="menu-items" type="tns:MenuItemsType"/>
      <xs:element name="columns" type="tns:ColumnsType"/>
      <xs:element name="children" type="tns:ChildrenType"/>
      <xs:element name="selected-items" type="tns:SelectedItemsType"/>
      <xs:element name="context-menu" type="tns:ContextMenuType"/>
      <xs:element name="panel1" type="tns:PanelType"/>
      <xs:element name="panel2" type="tns:PanelType"/>
      <xs:element name="pane" type="tns:PaneType"/>
      <xs:element name="content" type="tns:ContentType"/>
      <xs:element name="grid-definitions" type="tns:GridDefinitionsType"/>
      <!-- ENHANCEMENT: v1.3 new structure types -->
      <xs:element name="templates" type="tns:TemplatesType"/>
      <xs:element name="resources" type="tns:ResourcesType"/>
      <xs:element name="animations" type="tns:AnimationsType"/>
    </xs:choice>
  </xs:complexType>

  <!-- ENHANCEMENT: Templates Type -->
  <xs:complexType name="TemplatesType">
    <xs:sequence>
      <xs:element name="template" type="tns:TemplateDefinitionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="TemplateDefinitionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:TemplateTypeEnum" use="required"/>
    <xs:attribute name="target-type" type="xs:string"/>
    <xs:attribute name="data-type" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="TemplateTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="control"/>
      <xs:enumeration value="data"/>
      <xs:enumeration value="item"/>
      <xs:enumeration value="header"/>
      <xs:enumeration value="footer"/>
      <xs:enumeration value="cell"/>
    </xs:restriction>
  </xs:simpleType>

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

  <xs:complexType name="ResourceDefinitionType">
    <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:string"/>
  </xs:complexType>

  <xs:simpleType name="ResourceTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="string"/>
      <xs:enumeration value="brush"/>
      <xs:enumeration value="color"/>
      <xs:enumeration value="font"/>
      <xs:enumeration value="image"/>
      <xs:enumeration value="style"/>
      <xs:enumeration value="template"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Animations Type -->
  <xs:complexType name="AnimationsType">
    <xs:sequence>
      <xs:element name="animation" type="tns:AnimationDefinitionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="AnimationDefinitionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:AnimationTypeEnum" use="required"/>
    <xs:attribute name="duration" type="xs:string" default="0.3s"/>
    <xs:attribute name="easing" type="tns:EasingEnum" default="ease"/>
    <xs:attribute name="trigger" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="AnimationTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="fade"/>
      <xs:enumeration value="slide"/>
      <xs:enumeration value="scale"/>
      <xs:enumeration value="rotate"/>
      <xs:enumeration value="transform"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="EasingEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="linear"/>
      <xs:enumeration value="ease"/>
      <xs:enumeration value="ease-in"/>
      <xs:enumeration value="ease-out"/>
      <xs:enumeration value="ease-in-out"/>
      <xs:enumeration value="bounce"/>
      <xs:enumeration value="elastic"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Structure Definition -->
  <xs:complexType name="StructureType">
    <xs:sequence>
      <xs:element name="description" type="xs:string" minOccurs="0"/>
      <xs:element name="constraints" type="tns:ConstraintsType" minOccurs="0"/>
      <xs:element name="attributes" type="tns:AttributesType" minOccurs="0"/>
      <xs:element name="template" type="tns:TemplateType"/>
      <!-- ENHANCEMENT: v1.3 structure enhancements -->
      <xs:element name="composition" type="tns:CompositionType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="category" type="tns:ControlCategoryEnum" use="required"/>
    <xs:attribute name="inherits" type="xs:string"/>
    <xs:attribute name="platform" type="tns:PlatformEnum" default="basic"/>
    <!-- ENHANCEMENT: Version tracking -->
    <xs:attribute name="schema-version" type="xs:string" default="1.3"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Composition Type -->
  <xs:complexType name="CompositionType">
    <xs:sequence>
      <xs:element name="component" type="tns:ComponentType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ComponentType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="multiple" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Wireframe Definition -->
  <xs:complexType name="WireframeType">
    <xs:sequence>
      <xs:element name="description" type="xs:string" minOccurs="0"/>
      <xs:element name="template" type="tns:TemplateType"/>
      <!-- ENHANCEMENT: v1.3 wireframe enhancements -->
      <xs:element name="responsive" type="tns:ResponsiveType" minOccurs="0"/>
      <xs:element name="theme-support" type="tns:ThemeSupportType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="platform" type="tns:PlatformEnum" default="basic"/>
    <!-- ENHANCEMENT: Version tracking -->
    <xs:attribute name="schema-version" type="xs:string" default="1.3"/>
  </xs:complexType>

  <!-- ENHANCEMENT: Responsive Type -->
  <xs:complexType name="ResponsiveType">
    <xs:sequence>
      <xs:element name="breakpoint" type="tns:BreakpointType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="BreakpointType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="min-width" type="xs:int"/>
    <xs:attribute name="max-width" type="xs:int"/>
    <xs:attribute name="orientation" type="tns:OrientationEnum"/>
    <xs:attribute name="template-override" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="OrientationEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="portrait"/>
      <xs:enumeration value="landscape"/>
      <xs:enumeration value="any"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- ENHANCEMENT: Theme Support Type -->
  <xs:complexType name="ThemeSupportType">
    <xs:sequence>
      <xs:element name="theme-variant" type="tns:ThemeVariantType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ThemeVariantType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ThemeTypeEnum" use="required"/>
    <xs:attribute name="resource-override" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="ThemeTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="light"/>
      <xs:enumeration value="dark"/>
      <xs:enumeration value="high-contrast"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Template (simplified - contains mixed content for flexibility) -->
  <xs:complexType name="TemplateType" mixed="true">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:anyAttribute processContents="lax"/>
  </xs:complexType>

  <!-- Supporting Types (simplified) -->
  <xs:complexType name="ItemsType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="0"/>
    <xs:attribute name="max-count" type="xs:string" default="unlimited"/>
    <xs:attribute name="max-depth" type="xs:int"/>
    <!-- ENHANCEMENT: v1.3 virtualization support -->
    <xs:attribute name="virtualization" type="xs:boolean" default="false"/>
    <xs:attribute name="lazy-loading" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="MenuItemsType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="1"/>
    <xs:attribute name="max-count" type="xs:string" default="unlimited"/>
    <xs:attribute name="max-depth" type="xs:int"/>
    <!-- ENHANCEMENT: v1.3 menu enhancements -->
    <xs:attribute name="dynamic" type="xs:boolean" default="false"/>
    <xs:attribute name="context-aware" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ColumnsType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="1"/>
    <xs:attribute name="max-count" type="xs:int" default="50"/>
    <!-- ENHANCEMENT: v1.3 column enhancements -->
    <xs:attribute name="auto-generate" type="xs:boolean" default="false"/>
    <xs:attribute name="reorderable" type="xs:boolean" default="true"/>
    <xs:attribute name="resizable" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="ChildrenType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:attribute name="allow-multiple" type="xs:boolean" default="true"/>
    <!-- ENHANCEMENT: v1.3 children enhancements -->
    <xs:attribute name="layout-strategy" type="tns:LayoutStrategyEnum" default="default"/>
  </xs:complexType>

  <xs:simpleType name="LayoutStrategyEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="default"/>
      <xs:enumeration value="stack"/>
      <xs:enumeration value="grid"/>
      <xs:enumeration value="flow"/>
      <xs:enumeration value="absolute"/>
      <xs:enumeration value="responsive"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="SelectedItemsType">
    <xs:attribute name="max-count" type="xs:string" use="required"/>
    <!-- ENHANCEMENT: v1.3 selection enhancements -->
    <xs:attribute name="selection-mode" type="tns:SelectionModeEnum" default="single"/>
  </xs:complexType>

  <xs:simpleType name="SelectionModeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="none"/>
      <xs:enumeration value="single"/>
      <xs:enumeration value="multiple"/>
      <xs:enumeration value="extended"/>
      <xs:enumeration value="range"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="ContextMenuType">
    <xs:attribute name="max-count" type="xs:int" default="1"/>
    <!-- ENHANCEMENT: v1.3 context menu enhancements -->
    <xs:attribute name="dynamic" type="xs:boolean" default="false"/>
    <xs:attribute name="platform-native" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="PanelType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <xs:attribute name="required" type="xs:boolean" default="true"/>
    <!-- ENHANCEMENT: v1.3 panel enhancements -->
    <xs:attribute name="collapsible" type="xs:boolean" default="false"/>
    <xs:attribute name="resizable" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="PaneType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <!-- ENHANCEMENT: v1.3 pane enhancements -->
    <xs:attribute name="dockable" type="xs:boolean" default="false"/>
    <xs:attribute name="floatable" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ContentType">
    <xs:sequence>
      <xs:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
    </xs:sequence>
    <!-- ENHANCEMENT: v1.3 content enhancements -->
    <xs:attribute name="scrollable" type="xs:boolean" default="false"/>
    <xs:attribute name="virtualized" type="xs:boolean" default="false"/>
  </xs:complexType>

  <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="auto-columns" type="xs:boolean" default="false"/>
    <xs:attribute name="auto-rows" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="RowDefinitionsType">
    <xs:sequence>
      <xs:element name="row-definition" type="tns:RowDefinitionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="RowDefinitionType">
    <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 row enhancements -->
    <xs:attribute name="shared-size-group" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="ColumnDefinitionsType">
    <xs:sequence>
      <xs:element name="column-definition" type="tns:ColumnDefinitionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ColumnDefinitionType">
    <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 column enhancements -->
    <xs:attribute name="shared-size-group" type="xs:string"/>
  </xs:complexType>

</xs:schema>