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[Previous: Creating Custom Widget Extensions] [Contents]
The .ui file format used by Qt Designer is described by the XML schema presented below, which we include for your convenience. Be aware that the format may change in future Qt releases.
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="ui" type="UI"/>
<xs:complexType name="UI">
<xs:sequence>
<xs:element name="author" type="xs:string" />
<xs:element name="comment" type="xs:string" />
<xs:element name="exportMacro" type="xs:string" />
<xs:element name="class" type="xs:string" />
<xs:element name="widget" type="Widget" />
<xs:element name="layoutDefault" type="LayoutDefault" />
<xs:element name="layoutFunction" type="LayoutFunction" />
<xs:element name="pixmapFunction" type="xs:string" />
<xs:element name="customWidgets" type="CustomWidgets" />
<xs:element name="tabStops" type="TabStops" />
<xs:element name="images" type="Images" />
<xs:element name="includes" type="Includes" />
<xs:element name="resources" type="Resources" />
<xs:element name="connections" type="Connections" />
<xs:element name="designerdata" type="DesignerData" />
<xs:element name="slots" type="Slots" />
</xs:sequence>
<xs:attribute name="version" type="xs:string" />
<xs:attribute name="language" type="xs:string" />
<xs:attribute name="stdSetDef" type="xs:integer" />
</xs:complexType>
<!-- include begin -->
<xs:complexType name="Includes">
<xs:sequence maxOccurs="unbounded">
<xs:element name="include" type="Include" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Include">
<xs:sequence/>
<xs:attribute name="location" type="xs:string" />
<xs:attribute name="impldecl" type="xs:string" />
</xs:complexType>
<!-- include end -->
<!-- resource begin -->
<xs:complexType name="Resources">
<xs:sequence maxOccurs="unbounded">
<xs:element name="include" type="Resource" />
</xs:sequence>
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<xs:complexType name="Resource">
<xs:sequence/>
<xs:attribute name="location" type="xs:string" />
</xs:complexType>
<!-- resource end -->
<!-- actions begin -->
<xs:complexType name="ActionGroup">
<xs:sequence maxOccurs="unbounded">
<xs:element name="action" type="Action" />
<xs:element name="actionGroup" type="ActionGroup" />
<xs:element name="property" type="Property" />
<xs:element name="attribute" type="Property" />
</xs:sequence>
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<xs:complexType name="Action">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
<xs:element name="attribute" type="Property" />
</xs:sequence>
<xs:attribute name="name" type="xs:string" />
<xs:attribute name="menu" type="xs:string" />
</xs:complexType>
<xs:complexType name="ActionRef">
<xs:sequence />
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<!-- actions end -->
<!-- images begin -->
<xs:complexType name="Images">
<xs:sequence maxOccurs="unbounded">
<xs:element name="image" type="Image" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Image">
<xs:sequence>
<xs:element name="data" type="ImageData" />
</xs:sequence>
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<xs:complexType name="ImageData">
<xs:sequence/>
<xs:attribute name="format" type="xs:string" />
<xs:attribute name="length" type="xs:integer" />
</xs:complexType>
<!-- images end -->
<!-- custom widget support begin -->
<xs:complexType name="CustomWidgets">
<xs:sequence maxOccurs="unbounded">
<xs:element name="customWidget" type="CustomWidget" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Header">
<xs:attribute name="location" type="xs:string" /> <!-- local or global -->
</xs:complexType>
<xs:complexType name="CustomWidget">
<xs:sequence>
<xs:element name="class" type="xs:string" />
<xs:element name="extends" type="xs:string" />
<xs:element name="header" type="Header" />
<xs:element name="sizeHint" type="Size" />
<xs:element name="addPageMethod" type="xs:string" />
<xs:element name="container" type="xs:integer" />
<xs:element name="sizePolicy" type="SizePolicyData" />
<xs:element name="pixmap" type="xs:string" />
<xs:element name="script" type="Script" />
<xs:element name="properties" type="Properties" />
<xs:element name="slots" type="Slots" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Properties">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="PropertyData" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="PropertyData">
<xs:sequence />
<xs:attribute name="type" type="xs:string" />
</xs:complexType>
<xs:complexType name="SizePolicyData">
<xs:sequence>
<xs:element name="horData" type="xs:integer" />
<xs:element name="verData" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<!-- custom widget support end -->
<xs:complexType name="LayoutDefault">
<xs:sequence />
<xs:attribute name="spacing" type="xs:integer" />
<xs:attribute name="margin" type="xs:integer" />
</xs:complexType>
<xs:complexType name="LayoutFunction">
<xs:sequence />
<xs:attribute name="spacing" type="xs:string" />
<xs:attribute name="margin" type="xs:string" />
</xs:complexType>
<xs:complexType name="TabStops">
<xs:sequence maxOccurs="unbounded">
<xs:element name="tabStop" type="xs:string" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Layout">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
<xs:element name="attribute" type="Property" />
<xs:element name="item" type="LayoutItem" />
</xs:sequence>
<xs:attribute name="class" type="xs:string" />
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<xs:complexType name="LayoutItem">
<xs:choice>
<xs:element name="widget" type="Widget" />
<xs:element name="layout" type="Layout" />
<xs:element name="spacer" type="Spacer" />
</xs:choice>
<xs:attribute name="row" type="xs:integer" />
<xs:attribute name="column" type="xs:integer" />
<xs:attribute name="rowSpan" type="xs:integer" />
<xs:attribute name="colSpan" type="xs:integer" />
</xs:complexType>
<!-- item view begin -->
<xs:complexType name="Row">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Column">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Item">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
<xs:element name="item" type="Item" />
</xs:sequence>
<xs:attribute name="row" type="xs:integer"/>
<xs:attribute name="column" type="xs:integer"/>
</xs:complexType>
<!-- item view end -->
<xs:complexType name="Widget">
<xs:sequence maxOccurs="unbounded">
<xs:element name="class" type="xs:string" />
<xs:element name="property" type="Property" />
<xs:element name="script" type="Script" />
<xs:element name="widgetData" type="WidgetData" />
<xs:element name="attribute" type="Property" />
<!-- item view begin -->
<xs:element name="row" type="Row" />
<xs:element name="column" type="Column" />
<xs:element name="item" type="Item" />
<!-- item view end -->
<xs:element name="layout" type="Layout" />
<xs:element name="widget" type="Widget" />
<xs:element name="action" type="Action" />
<xs:element name="actionGroup" type="ActionGroup" />
<xs:element name="addAction" type="ActionRef" />
<xs:element name="zOrder" type="xs:string" />
</xs:sequence>
<xs:attribute name="class" type="xs:string" />
<xs:attribute name="name" type="xs:string" />
<xs:attribute name="native" type="xs:boolean" />
</xs:complexType>
<xs:complexType name="Spacer">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
</xs:sequence>
<xs:attribute name="name" type="xs:string" />
</xs:complexType>
<xs:complexType name="Color">
<xs:sequence>
<xs:element name="red" type="xs:integer" />
<xs:element name="green" type="xs:integer" />
<xs:element name="blue" type="xs:integer" />
</xs:sequence>
<xs:attribute name="alpha" type="xs:integer" />
</xs:complexType>
<xs:complexType name="GradientStop">
<xs:sequence>
<xs:element name="color" type="Color" />
</xs:sequence>
<xs:attribute name="position" type="xs:double" />
</xs:complexType>
<xs:complexType name="Gradient">
<xs:sequence maxOccurs="unbounded">
<xs:element name="gradientStop" type="GradientStop" />
</xs:sequence>
<xs:attribute name="startX" type="xs:double" />
<xs:attribute name="startY" type="xs:double" />
<xs:attribute name="endX" type="xs:double" />
<xs:attribute name="endY" type="xs:double" />
<xs:attribute name="centralX" type="xs:double" />
<xs:attribute name="centralY" type="xs:double" />
<xs:attribute name="focalX" type="xs:double" />
<xs:attribute name="focalY" type="xs:double" />
<xs:attribute name="radius" type="xs:double" />
<xs:attribute name="angle" type="xs:double" />
<xs:attribute name="type" type="xs:string" />
<xs:attribute name="spread" type="xs:string" />
<xs:attribute name="coordinateMode" type="xs:string" />
</xs:complexType>
<xs:complexType name="Brush">
<xs:choice>
<xs:element name="color" type="Color" />
<xs:element name="texture" type="Property" />
<xs:element name="gradient" type="Gradient" />
</xs:choice>
<xs:attribute name="brushStyle" type="xs:string" />
</xs:complexType>
<xs:complexType name="ColorRole">
<xs:sequence>
<xs:element name="brush" type="Brush" />
</xs:sequence>
<xs:attribute name="role" type="xs:string" />
</xs:complexType>
<xs:complexType name="ColorGroup">
<xs:sequence maxOccurs="unbounded">
<xs:element name="colorRole" type="ColorRole" />
<xs:element name="color" type="Color" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Palette">
<xs:sequence>
<xs:element name="active" type="ColorGroup" />
<xs:element name="inactive" type="ColorGroup" />
<xs:element name="disabled" type="ColorGroup" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Font">
<xs:sequence>
<xs:element name="family" type="xs:string" />
<xs:element name="pointSize" type="xs:integer" />
<xs:element name="weight" type="xs:integer" />
<xs:element name="italic" type="xs:boolean" />
<xs:element name="bold" type="xs:boolean" />
<xs:element name="underline" type="xs:boolean" />
<xs:element name="strikeOut" type="xs:boolean" />
<xs:element name="antialiasing" type="xs:boolean" />
<xs:element name="styleStrategy" type="xs:string" />
<xs:element name="kerning" type="xs:boolean" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Point">
<xs:sequence>
<xs:element name="x" type="xs:integer" />
<xs:element name="y" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Rect">
<xs:sequence>
<xs:element name="x" type="xs:integer" />
<xs:element name="y" type="xs:integer" />
<xs:element name="width" type="xs:integer" />
<xs:element name="height" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Locale">
<xs:attribute name="language" type="xs:string" />
<xs:attribute name="country" type="xs:string" />
</xs:complexType>
<xs:complexType name="SizePolicy">
<xs:sequence>
<xs:element name="hSizeType" type="xs:integer" />
<xs:element name="vSizeType" type="xs:integer" />
<xs:element name="horStretch" type="xs:integer" />
<xs:element name="verStretch" type="xs:integer" />
</xs:sequence>
<xs:attribute name="hSizeType" type="xs:string" />
<xs:attribute name="vSizeType" type="xs:string" />
</xs:complexType>
<xs:complexType name="Size">
<xs:sequence>
<xs:element name="width" type="xs:integer" />
<xs:element name="height" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Date">
<xs:sequence>
<xs:element name="year" type="xs:integer" />
<xs:element name="month" type="xs:integer" />
<xs:element name="day" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Time">
<xs:sequence>
<xs:element name="hour" type="xs:integer" />
<xs:element name="minute" type="xs:integer" />
<xs:element name="second" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="DateTime">
<xs:sequence>
<xs:element name="hour" type="xs:integer" />
<xs:element name="minute" type="xs:integer" />
<xs:element name="second" type="xs:integer" />
<xs:element name="year" type="xs:integer" />
<xs:element name="month" type="xs:integer" />
<xs:element name="day" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="StringList">
<xs:sequence maxOccurs="unbounded">
<xs:element name="string" type="xs:string" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="ResourcePixmap">
<xs:sequence/>
<xs:attribute name="resource" type="xs:string" />
<xs:attribute name="alias" type="xs:string" />
</xs:complexType>
<xs:complexType name="ResourceIcon">
<xs:attribute name="resource" type="xs:string" /> <!-- pre 4.4 legacy support -->
<xs:sequence>
<xs:element name="normalOff" type="ResourcePixmap" />
<xs:element name="normalOn" type="ResourcePixmap" />
<xs:element name="disabledOff" type="ResourcePixmap" />
<xs:element name="disabledOn" type="ResourcePixmap" />
<xs:element name="activeOff" type="ResourcePixmap" />
<xs:element name="activeOn" type="ResourcePixmap" />
<xs:element name="selectedOff" type="ResourcePixmap" />
<xs:element name="selectedOn" type="ResourcePixmap" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="String">
<xs:sequence/>
<xs:attribute name="notr" type="xs:string" />
<xs:attribute name="comment" type="xs:string" />
</xs:complexType>
<xs:complexType name="PointF">
<xs:sequence>
<xs:element name="x" type="xs:double" />
<xs:element name="y" type="xs:double" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="RectF">
<xs:sequence>
<xs:element name="x" type="xs:double" />
<xs:element name="y" type="xs:double" />
<xs:element name="width" type="xs:double" />
<xs:element name="height" type="xs:double" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="SizeF">
<xs:sequence>
<xs:element name="width" type="xs:double" />
<xs:element name="height" type="xs:double" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Char">
<xs:sequence>
<xs:element name="unicode" type="xs:integer" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Url">
<xs:sequence>
<xs:element name="string" type="String" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Property">
<xs:choice>
<xs:element name="bool" type="xs:string" />
<xs:element name="color" type="Color" />
<xs:element name="cstring" type="xs:string" />
<xs:element name="cursor" type="xs:integer" />
<xs:element name="cursorShape" type="xs:string" />
<xs:element name="enum" type="xs:string" />
<xs:element name="font" type ="Font" />
<xs:element name="iconSet" type="ResourceIcon"/>
<xs:element name="pixmap" type="ResourcePixmap" />
<xs:element name="palette" type="Palette" />
<xs:element name="point" type="Point" />
<xs:element name="rect" type="Rect" />
<xs:element name="set" type="xs:string" />
<xs:element name="locale" type="Locale" />
<xs:element name="sizePolicy" type="SizePolicy" />
<xs:element name="size" type="Size" />
<xs:element name="string" type="String" />
<xs:element name="stringList" type="StringList" />
<xs:element name="number" type="xs:integer" />
<xs:element name="float" type="xs:float" />
<xs:element name="double" type="xs:double" />
<xs:element name="date" type="Date" />
<xs:element name="time" type="Time" />
<xs:element name="dateTime" type="DateTime" />
<xs:element name="pointF" type="PointF" />
<xs:element name="rectF" type="RectF" />
<xs:element name="sizeF" type="SizeF" />
<xs:element name="longLong" type="xs:longlong" />
<xs:element name="char" type="Char" />
<xs:element name="url" type="Url" />
<xs:element name="uInt" type="xs:unsignedInt" />
<xs:element name="uLongLong" type="xs:unsignedLong" />
<xs:element name="brush" type="Brush" />
</xs:choice>
<xs:attribute name="name" type="xs:string" />
<xs:attribute name="stdset" type="xs:integer" />
</xs:complexType>
<xs:complexType name="Connections">
<xs:sequence maxOccurs="unbounded">
<xs:element name="connection" type="Connection" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Connection">
<xs:sequence>
<xs:element name="sender" type="xs:string"/>
<xs:element name="signal" type="xs:string"/>
<xs:element name="receiver" type="xs:string"/>
<xs:element name="slot" type="xs:string"/>
<xs:element name="hints" type="ConnectionHints"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ConnectionHints">
<xs:sequence maxOccurs="unbounded">
<xs:element name="hint" type="ConnectionHint" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="ConnectionHint">
<xs:sequence>
<xs:element name="x" type="xs:integer"/>
<xs:element name="y" type="xs:integer"/>
</xs:sequence>
<xs:attribute name="type" type="xs:string" />
</xs:complexType>
<xs:complexType name="Script">
<xs:sequence/>
<xs:attribute name="source" type="xs:string"/>
<xs:attribute name="language" type="xs:string"/>
</xs:complexType>
<xs:complexType name="WidgetData">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="DesignerData">
<xs:sequence maxOccurs="unbounded">
<xs:element name="property" type="Property" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="Slots">
<xs:sequence maxOccurs="unbounded">
<xs:element name="slot" type="xs:string" />
</xs:sequence>
<xs:sequence maxOccurs="unbounded">
<xs:element name="signal" type="xs:string" />
</xs:sequence>
</xs:complexType>
</xs:schema>
[Previous: Creating Custom Widget Extensions] [Contents]
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