Layout XML files.

Author

Paul D Turner

A layout XML file defines a hierachy of window based objects to be created, with property and event binding information for each window.

Layout Element List:

<AutoWindow> Element
<Event> Element
<GUILayout> Element
<LayoutImport> Element
<Property> Element
<Window> Element

Overview

The reference for each element is arranged into sections, as described below:

• Purpose:
  • This section describes what the elements general purpose is within the specifications.
• Attributes:
  • This section describes available attributes for the elements, and whether they are required or optional.
• Usage:
  • Describes where the element may appear, whether the element may have sub-elements, and other important usage information.
• Examples:
  • For many elements, this section will contain brief examples showing the element used in context.

<GUILayout> Element

• Purpose:
  • <GUILayout> is the root element in layout XML files.
• Attributes:
  • version: specifies the version of the resource file. Should be specified for all files, current CEGUI layout version is: 4
• Usage:
  • The <GUILayout> element is the root element for layout files.
  • The <GUILayout> element must contain a single <Window> element.
  • No element may contain a <GUILayout> element as a sub-element.
• Examples:

<Window> Element

• Purpose:
  • The <Window> element is used to specify a new window object to be created.
• Attributes:
  • type: Specifies the type of window to be created. This may refer to a concrete window type, an alias, or a falagard mapped type. Required attribute.
  • name: Specifies the name to give the window. Window names must be unique within the system. Optional attribute, if the attribute is not specified a name will be generated automatically.
• Usage:
  • The <Window> may appear as a sub-element of the following:
    • <GUILayout> elements.
    • <Window> elements.
    • <AutoWindow> elements.
  • The <Window> element may contain the following sub-elements:
    • Any number of <LayoutImport> elements. Followed by,
    • Any number of <Property> elements. Followed by,
    • Any number of <Event> elements. Followed by,
    • Any number of <Window> elements.
    • Any number of <AutoWindow> elements.
    • Finally, any number of <Property> elements (again).
• Examples:

<Property> Element

• Purpose:
  • The <Property> element is used to set properties on the Window created by the containing <Window> element.
• Attributes:
  • name: Specifies the name of the property to set. Required attribute.
  • value: Specifies the value to set on the property. Optional attribute, if the attribute is not specified the value to be set should be given via the element text content.
• Usage:
  • The <Property> may appear as a sub-element of <Window> elements and <AutoWindow> elements.
  • The <Property> element may not contain any sub-elements.
  • The <Property> element may contain text content to be used as the value.
• Examples:

<Event> Element

• Purpose:
  • The Event element is used to create bindings between GUI elements and script functions.
• Attributes:
  • name: Specifies the name of the event to which the handler function specified by the Function attribute will be subscribed. Required attribute.
  • function: Specifis the name of a script function to be subscribed to the event specified by the Name attribute. Required attribute.
• Usage:
  • The <Event> may appear as a sub-element of <Window> elements and <AutoWindow> elements.
  • The <Event> element may not contain any sub-elements.
• Examples:

<LayoutImport> Element

• Purpose:
  • The <LayoutImport> element is used to reference (import) a layout file into another. The root window of the imported layout is attached to the Window where the import occurrs.
• Attributes:
  • filename: Specifies the path to the xml layout file to be imported. Required attribute.
  • resourceGroup: Specifies the resource group identifier to pass to the ResourceProvider when loading the file given in the Filename attribute. Optional attribute, default is the WindowManager default group.
• Usage:
  • The <LayoutImport> may appear as a sub-element of <Window> elements and <AutoWindow> elements.
  • The <LayoutImport> element may not contain any sub-elements.
• Examples:

<AutoWindow> Element

• Purpose:
  • The <AutoWindow> element is used to target property settings, events and other content on to an automatically created child window of the current Window (or AutoWindow).
• Attributes:
  • namePath: Specifies the name path for the target auto-window. Required attribute.
• Usage:
  • The <AutoWindow> may appear as a sub-element of the following:
    • <Window> elements.
    • <AutoWindow> elements.
  • The <AutoWindow> element may contain the following sub-elements:
    • Any number of <LayoutImport> elements. Followed by,
    • Any number of <Property> elements. Followed by,
    • Any number of <Event> elements. Followed by,
    • Any number of <Window> elements.
    • Any number of <AutoWindow> elements.
    • Finally, any number of <Property> elements (again).
• Examples: