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

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="ui-layout-definition"
           xmlns:tns="ui-layout-definition"
           elementFormDefault="qualified"
           version="1.1">

  <!-- Root element -->
  <xs:element name="ui-layout-def" type="tns:UILayoutDefType"/>

  <!-- Main document structure -->
  <xs:complexType name="UILayoutDefType">
    <xs:sequence>
      <xs:element name="validation-rules" type="tns:ValidationRulesType" minOccurs="0"/>
      <xs:element name="patterns" type="tns:PatternsType"/>
      <xs:element name="views" type="tns:ViewsType" minOccurs="0"/>
      <xs:element name="window" type="tns:WindowType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="version" type="xs:string" default="1.1"/>
  </xs:complexType>

  <!-- Validation Rules -->
  <xs:complexType name="ValidationRulesType">
    <xs:sequence>
      <xs:element name="validation-include" type="tns:ValidationIncludeType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="rule" type="tns:ValidationRuleType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ValidationIncludeType">
    <xs:attribute name="src" type="xs:string" use="required"/>
    <xs:attribute name="important" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ValidationRuleType">
    <xs:sequence>
      <xs:element name="description" type="xs:string"/>
      <xs:element name="constraint" type="xs:string" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Patterns -->
  <xs:complexType name="PatternsType">
    <xs:sequence>
      <xs:element name="pattern-include" type="tns:PatternIncludeType" minOccurs="0" maxOccurs="unbounded"/>
      <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>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PatternIncludeType">
    <xs:attribute name="src" type="xs:string" use="required"/>
    <xs:attribute name="important" type="xs:boolean" default="false"/>
  </xs:complexType>

  <!-- Views (NEW in v1.1) -->
  <xs:complexType name="ViewsType">
    <xs:sequence>
      <xs:element name="view-include" type="tns:ViewIncludeType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="view" type="tns:ViewType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ViewIncludeType">
    <xs:attribute name="src" type="xs:string" use="required"/>
    <xs:attribute name="important" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ViewType">
    <xs:sequence>
      <xs:element name="description" type="xs:string" minOccurs="0"/>
      <xs:element name="metadata" type="tns:ViewMetadataType" minOccurs="0"/>
      <xs:element name="dependencies" type="tns:ViewDependenciesType" minOccurs="0"/>
      <xs:element name="data-context" type="tns:DataContextType" minOccurs="0"/>
      <xs:element name="windows" type="tns:ViewWindowsType" minOccurs="0"/>
      <xs:element name="navigation" type="tns:ViewNavigationType" minOccurs="0"/>
      <xs:element name="behaviors" type="tns:ViewBehaviorsType" minOccurs="0"/>
      <xs:element name="composed-views" type="tns:ComposedViewsType" minOccurs="0"/>
      <xs:element name="layout" type="tns:ViewLayoutType" minOccurs="0"/>
      <xs:element name="coordination" type="tns:CoordinationType" minOccurs="0"/>
      <xs:element name="communication" type="tns:CommunicationType" minOccurs="0"/>
      <xs:element name="workflow" type="tns:WorkflowType" minOccurs="0"/>
      <xs:element name="module-views" type="tns:ModuleViewsType" minOccurs="0"/>
      <xs:element name="module-dependencies" type="tns:ModuleDependenciesType" minOccurs="0"/>
      <xs:element name="main-navigation" type="tns:MainNavigationType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="tns:ViewTypeEnum" use="required"/>
    <xs:attribute name="category" type="tns:ViewCategoryEnum" use="required"/>
    <xs:attribute name="inherits" type="xs:string"/>
  </xs:complexType>

  <!-- View Type and Category Enums -->
  <xs:simpleType name="ViewTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="business-entity"/>
      <xs:enumeration value="process-flow"/>
      <xs:enumeration value="dashboard"/>
      <xs:enumeration value="utility"/>
      <xs:enumeration value="wizard"/>
      <xs:enumeration value="composite"/>
      <xs:enumeration value="module"/>
      <xs:enumeration value="base"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ViewCategoryEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="core"/>
      <xs:enumeration value="admin"/>
      <xs:enumeration value="reporting"/>
      <xs:enumeration value="system"/>
      <xs:enumeration value="framework"/>
      <xs:enumeration value="business"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Metadata -->
  <xs:complexType name="ViewMetadataType">
    <xs:sequence>
      <xs:element name="model-class" type="xs:string" minOccurs="0"/>
      <xs:element name="view-model-class" type="xs:string" minOccurs="0"/>
      <xs:element name="controller-class" type="xs:string" minOccurs="0"/>
      <xs:element name="permissions" type="xs:string" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <!-- View Dependencies -->
  <xs:complexType name="ViewDependenciesType">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="view-ref" type="tns:ViewRefType"/>
      <xs:element name="shared-component" type="tns:SharedComponentType"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="ViewRefType">
    <xs:sequence>
      <xs:element name="interaction" type="tns:InteractionType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="relationship" type="tns:RelationshipEnum" use="required"/>
    <xs:attribute name="required" type="xs:boolean" default="false"/>
    <xs:attribute name="role" type="xs:string"/>
    <xs:attribute name="layout-slot" type="xs:string"/>
  </xs:complexType>

  <xs:simpleType name="RelationshipEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="lookup"/>
      <xs:enumeration value="detail"/>
      <xs:enumeration value="reference"/>
      <xs:enumeration value="primary"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="InteractionType">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="returns" type="xs:string"/>
    <xs:attribute name="context" type="xs:string"/>
  </xs:complexType>

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

  <!-- Data Context -->
  <xs:complexType name="DataContextType">
    <xs:sequence>
      <xs:element name="property" type="tns:DataPropertyType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="DataPropertyType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="scope" type="tns:DataScopeEnum" default="view"/>
  </xs:complexType>

  <xs:simpleType name="DataScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="view"/>
      <xs:enumeration value="shared"/>
      <xs:enumeration value="global"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Windows -->
  <xs:complexType name="ViewWindowsType">
    <xs:sequence>
      <xs:element name="window-ref" type="tns:WindowRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="WindowRefType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="role" type="tns:WindowRoleEnum" use="required"/>
    <xs:attribute name="default" type="xs:boolean" default="false"/>
    <xs:attribute name="modal" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:simpleType name="WindowRoleEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="main"/>
      <xs:enumeration value="editor"/>
      <xs:enumeration value="viewer"/>
      <xs:enumeration value="utility"/>
      <xs:enumeration value="catalog"/>
      <xs:enumeration value="step1"/>
      <xs:enumeration value="step2"/>
      <xs:enumeration value="step3"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- View Navigation -->
  <xs:complexType name="ViewNavigationType">
    <xs:sequence>
      <xs:element name="action" type="tns:NavigationActionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NavigationActionType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="target" type="xs:string" use="required"/>
    <xs:attribute name="context" type="xs:string"/>
  </xs:complexType>

  <!-- View Behaviors -->
  <xs:complexType name="ViewBehaviorsType">
    <xs:sequence>
      <xs:element name="behavior" type="tns:ViewBehaviorType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ViewBehaviorType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="scope" type="tns:BehaviorScopeEnum" default="view"/>
  </xs:complexType>

  <xs:simpleType name="BehaviorScopeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="view"/>
      <xs:enumeration value="global"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Composed Views -->
  <xs:complexType name="ComposedViewsType">
    <xs:sequence>
      <xs:element name="view-ref" type="tns:ViewRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <!-- View Layout -->
  <xs:complexType name="ViewLayoutType">
    <xs:sequence>
      <xs:element name="slot" type="tns:ViewSlotType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="wireframe" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="ViewSlotType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="view" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Coordination -->
  <xs:complexType name="CoordinationType">
    <xs:sequence>
      <xs:element name="rule" type="tns:CoordinationRuleType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="CoordinationRuleType">
    <xs:attribute name="when" type="xs:string" use="required"/>
    <xs:attribute name="then" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Communication -->
  <xs:complexType name="CommunicationType">
    <xs:sequence>
      <xs:element name="publishes" type="tns:PublishesType" minOccurs="0"/>
      <xs:element name="subscribes" type="tns:SubscribesType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PublishesType">
    <xs:sequence>
      <xs:element name="event" type="tns:PublishedEventType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SubscribesType">
    <xs:sequence>
      <xs:element name="event" type="tns:SubscribedEventType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PublishedEventType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="data" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="SubscribedEventType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="source" type="xs:string" use="required"/>
    <xs:attribute name="handler" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Workflow -->
  <xs:complexType name="WorkflowType">
    <xs:sequence>
      <xs:element name="step" type="tns:WorkflowStepType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="WorkflowStepType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="window" type="xs:string" use="required"/>
    <xs:attribute name="next" type="xs:string"/>
    <xs:attribute name="previous" type="xs:string"/>
  </xs:complexType>

  <!-- Module Views -->
  <xs:complexType name="ModuleViewsType">
    <xs:sequence>
      <xs:element name="view-ref" type="tns:SimpleViewRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

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

  <!-- Module Dependencies -->
  <xs:complexType name="ModuleDependenciesType">
    <xs:sequence>
      <xs:element name="module-ref" type="tns:ModuleRefType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

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

  <!-- Main Navigation -->
  <xs:complexType name="MainNavigationType">
    <xs:sequence>
      <xs:element name="nav-item" type="tns:NavItemType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NavItemType">
    <xs:attribute name="text" type="xs:string" use="required"/>
    <xs:attribute name="view" type="xs:string" use="required"/>
    <xs:attribute name="action" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Control Definition -->
  <xs:complexType name="ControlType">
    <xs:sequence>
      <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"/>
    </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:complexType>

  <xs:simpleType name="ControlTypeEnum">
    <xs:restriction base="xs:string">
      <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:restriction>
  </xs:simpleType>

  <xs:simpleType name="ControlCategoryEnum">
    <xs:restriction base="xs:string">
      <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="kde-specific"/>
      <xs:enumeration value="web-specific"/>
    </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"/>
    </xs:sequence>
  </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"/>
  </xs:complexType>

  <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="icon"/>
      <xs:enumeration value="object"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Behavior -->
  <xs:complexType name="BehaviorType">
    <xs:sequence>
      <xs:element name="event" type="tns:EventType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

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

  <!-- Control Structure -->
  <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="nodes" type="tns:NodesType"/>
      <xs:element name="tabs" type="tns:TabsType"/>
      <xs:element name="children" type="tns:ChildrenType"/>
      <xs:element name="property-categories" type="tns:PropertyCategoriesType"/>
      <xs:element name="context-menu" type="tns:ContextMenuType"/>
      <xs:element name="central-widget" type="tns:CentralWidgetType"/>
      <xs:element name="toolbars" type="tns:ToolbarsType"/>
      <xs:element name="dock-widgets" type="tns:DockWidgetsType"/>
    </xs:choice>
  </xs:complexType>

  <!-- Structure Components -->
  <xs:complexType name="ItemsType">
    <xs:sequence>
      <xs:element name="item" type="tns:ItemType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="0"/>
    <xs:attribute name="max-count" type="xs:string" default="unlimited"/>
  </xs:complexType>

  <xs:complexType name="ItemType">
    <xs:sequence>
      <xs:element name="values" type="tns:ValuesType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="value" type="xs:string"/>
    <xs:attribute name="text" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="ValuesType">
    <xs:sequence>
      <xs:element name="value" type="tns:ValueType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="ValueType">
    <xs:attribute name="column" type="xs:string" use="required"/>
    <xs:attribute name="text" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="MenuItemsType">
    <xs:sequence>
      <xs:element name="menu-item" type="tns:MenuItemType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="1"/>
    <xs:attribute name="max-count" type="xs:string" default="unlimited"/>
  </xs:complexType>

  <xs:complexType name="MenuItemType">
    <xs:attribute name="text" type="xs:string" use="required"/>
    <xs:attribute name="action" type="xs:string"/>
    <xs:attribute name="shortcut" type="xs:string"/>
    <xs:attribute name="separator" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="ColumnsType">
    <xs:sequence>
      <xs:element name="column" type="tns:ColumnType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="1"/>
    <xs:attribute name="max-count" type="xs:int" default="20"/>
  </xs:complexType>

  <xs:complexType name="ColumnType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="text" type="xs:string" use="required"/>
    <xs:attribute name="width" type="xs:string"/>
    <xs:attribute name="sortable" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="NodesType">
    <xs:sequence>
      <xs:element name="node" type="tns:NodeType" maxOccurs="unbounded"/>
    </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" default="10"/>
  </xs:complexType>

  <xs:complexType name="NodeType">
    <xs:sequence>
      <xs:element name="nodes" type="tns:NodesType" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="text" type="xs:string" use="required"/>
    <xs:attribute name="value" type="xs:string"/>
    <xs:attribute name="expanded" type="xs:boolean" default="false"/>
    <xs:attribute name="checked" type="xs:boolean" default="false"/>
  </xs:complexType>

  <xs:complexType name="TabsType">
    <xs:sequence>
      <xs:element name="tab" type="tns:TabType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="min-count" type="xs:int" default="1"/>
    <xs:attribute name="max-count" type="xs:int" default="20"/>
  </xs:complexType>

  <xs:complexType name="TabType">
    <xs:complexContent>
      <xs:extension base="tns:ControlContentType">
        <xs:attribute name="name" type="xs:string" use="required"/>
        <xs:attribute name="text" type="xs:string" use="required"/>
        <xs:attribute name="visible" type="xs:boolean" default="true"/>
        <xs:attribute name="enabled" type="xs:boolean" default="true"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="ChildrenType">
    <xs:attribute name="allow-multiple" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="PropertyCategoriesType">
    <xs:sequence>
      <xs:element name="category" type="tns:PropertyCategoryType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PropertyCategoryType">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="display-name" type="xs:string" use="required"/>
    <xs:attribute name="expanded" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="ContextMenuType">
    <!-- Context menu structure can be defined here -->
  </xs:complexType>

  <xs:complexType name="CentralWidgetType">
    <xs:attribute name="required" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:complexType name="ToolbarsType">
    <xs:attribute name="max-count" type="xs:int" default="10"/>
  </xs:complexType>

  <xs:complexType name="DockWidgetsType">
    <xs:attribute name="max-count" type="xs:int" default="20"/>
  </xs:complexType>

  <!-- 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"/>
    </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: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"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Template -->
  <xs:complexType name="TemplateType">
    <xs:complexContent>
      <xs:extension base="tns:ControlContentType"/>
    </xs:complexContent>
  </xs:complexType>

  <!-- Window Definition -->
  <xs:complexType name="WindowType">
    <xs:sequence>
      <xs:element name="attributes" type="tns:WindowAttributesType" minOccurs="0"/>
      <xs:element name="view-properties" type="tns:ViewPropertiesType" minOccurs="0"/>
      <xs:choice>
        <xs:element name="slot-overrides" type="tns:SlotOverridesType"/>
        <xs:element name="wireframe-instance" type="tns:WireframeInstanceType"/>
        <xs:group ref="tns:ControlContentGroup"/>
      </xs:choice>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="title" type="xs:string" use="required"/>
    <xs:attribute name="wireframe" type="xs:string"/>
    <xs:attribute name="view" type="xs:string"/>
  </xs:complexType>

  <!-- Window Attributes -->
  <xs:complexType name="WindowAttributesType">
    <xs:sequence>
      <xs:element name="attribute" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="name" type="xs:string" use="required"/>
          <xs:attribute name="value" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <!-- View Properties (NEW) -->
  <xs:complexType name="ViewPropertiesType">
    <xs:sequence>
      <xs:element name="role" type="tns:WindowRoleEnum"/>
      <xs:element name="default" type="xs:boolean" minOccurs="0"/>
      <xs:element name="modal" type="xs:boolean" minOccurs="0"/>
      <xs:element name="data-context-binding" type="xs:string" minOccurs="0"/>
      <xs:element name="parent-window" type="xs:string" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <!-- Slot Overrides -->
  <xs:complexType name="SlotOverridesType">
    <xs:sequence>
      <xs:element name="slot" type="tns:SlotOverrideType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SlotOverrideType">
    <xs:complexContent>
      <xs:extension base="tns:ControlContentType">
        <xs:attribute name="name" type="xs:string" use="required"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <!-- Wireframe Instance -->
  <xs:complexType name="WireframeInstanceType">
    <xs:sequence>
      <xs:element name="slot" type="tns:SlotOverrideType" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="wireframe" type="xs:string" use="required"/>
  </xs:complexType>

  <!-- Slot Definition -->
  <xs:complexType name="SlotType">
    <xs:complexContent>
      <xs:extension base="tns:ControlContentType">
        <xs:attribute name="name" type="xs:string" use="required"/>
        <xs:attribute name="allowed-controls" type="xs:string"/>
        <xs:attribute name="required" type="xs:boolean" default="false"/>
        <xs:attribute name="default" type="xs:boolean" default="false"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <!-- Control Content -->
  <xs:complexType name="ControlContentType" mixed="true">
    <xs:group ref="tns:ControlContentGroup" minOccurs="0" maxOccurs="unbounded"/>
    <xs:anyAttribute processContents="lax"/>
  </xs:complexType>

  <xs:group name="ControlContentGroup">
    <xs:choice>
      <!-- Basic Controls -->
      <xs:element name="Label" type="tns:ControlInstanceType"/>
      <xs:element name="TextBox" type="tns:ControlInstanceType"/>
      <xs:element name="ComboBox" type="tns:ControlInstanceType"/>
      <xs:element name="Button" type="tns:ControlInstanceType"/>
      <xs:element name="Panel" type="tns:ControlInstanceType"/>
      <xs:element name="PopupPanel" type="tns:ControlInstanceType"/>
      <xs:element name="Menu" type="tns:ControlInstanceType"/>
      <xs:element name="ListView" type="tns:ControlInstanceType"/>
      <xs:element name="TreeView" type="tns:ControlInstanceType"/>
      <xs:element name="TabControl" type="tns:ControlInstanceType"/>
      <xs:element name="ButtonBar" type="tns:ControlInstanceType"/>
      
      <!-- Windows-Specific Controls -->
      <xs:element name="RichTextBox" type="tns:ControlInstanceType"/>
      <xs:element name="PropertyGrid" type="tns:ControlInstanceType"/>
      <xs:element name="NotifyIcon" type="tns:ControlInstanceType"/>
      
      <!-- KDE-Specific Controls -->
      <xs:element name="KComboBox" type="tns:ControlInstanceType"/>
      <xs:element name="KMainWindow" type="tns:ControlInstanceType"/>
      <xs:element name="KFileDialog" type="tns:ControlInstanceType"/>
      
      <!-- Web-Specific Controls -->
      <xs:element name="WebBrowser" type="tns:ControlInstanceType"/>
      <xs:element name="DatePicker" type="tns:ControlInstanceType"/>
      
      <!-- Structure Elements -->
      <xs:element name="FormField" type="tns:ControlInstanceType"/>
      <xs:element name="slot" type="tns:SlotType"/>
      <xs:element name="wireframe-instance" type="tns:WireframeInstanceType"/>
    </xs:choice>
  </xs:group>

  <!-- Control Instance -->
  <xs:complexType name="ControlInstanceType">
    <xs:complexContent>
      <xs:extension base="tns:ControlContentType">
        <xs:attribute name="name" type="xs:string" use="required"/>
        <xs:attribute name="slot" type="xs:string"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

</xs:schema>