window

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Describes the structure of a top-level window. It is the root node of a XUL document. It is by default a horizontally oriented box. As it is a box, all box attributes can be used. By default, the window will have a platform-specific frame around it.

To set an icon for the window, create a platform-specific icon file <windowid>.ico and/or <windowid>.xpm and place or install these files into the <mozilla-directory>/chrome/icons/default/ directory. The <windowid> is the value of the id attribute on the window. This allows you to have a different icon for each window.

Without including the css file at "chrome://global/skin/", the window will not be stylized and will be invisible and glitchy when opened as a dialog.

Note: Starting in Gecko 1.9.2, you can detect when a window is activated or deactivated by watching for the "activate" and "deactivate" events. See Window activation events.

More information is available in the XUL tutorial.

Attributes: accelerated, chromemargin, disablechrome, disablefastfind, drawintitlebar, fullscreenbutton, height, hidechrome, id, lightweightthemes, lightweightthemesfooter, screenX, screenY, sizemode, title, width, windowtype

Examples

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
<!-- Extremely recommended to keep this css include!! -->
<window id="rootWnd" title="Register Online!"
        xmlns="https://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <vbox>
    <hbox>
      <image src="application_form.png"/>
      <description>Register Online!</description>
    </hbox>
    <groupbox align="start">
      <caption label="Your Information"/>
      <radiogroup>
        <vbox>
          <hbox>
            <label control="your-fname" value="Enter first name:"/>
            <textbox id="your-fname" value="Johan"/>
          </hbox>
          <hbox>
            <label control="your-lname" value="Enter last name:"/>
            <textbox id="your-lname" value="Hernandez"/>
          </hbox>
          <hbox>
            <button oncommand="alert('save!')">
              <description>Save</description>
            </button>
          </hbox>
        </vbox>
      </radiogroup>
    </groupbox>
  </vbox>
</window>

Attributes

accelerated: Type: boolean; Set this attribute to true to allow hardware layer managers to accelerate the window.

activetitlebarcolor: Type: color string; Specify background color of the window's titlebar when it is active (foreground). Moreover this hides separator between titlebar and window contents. This only affects Mac OS X.

chromemargin: Type: margin string; Controls the amount of chrome that should be visible on each side of the window. The specified string should contain four numbers, separated by commas, indicating the margin in pixels for the top, right, bottom, and left edges of the window, respectively. This value may be -1 to use the default margin for that side on the current platform, 0 to have no system border (that is, to extend the client area to the edge of the window), or a value greater than zero to indicate how much less than the default default width you wish the margin on that side to be. If this value turns out to be less than 0, 0 is used.

disablechrome: Type: boolean; Set this attribute to true to disable chrome in the window. This is used to hide chrome when showing in-browser UI such as the about:addons page, and causes the toolbars to be hidden, with only the tab strip (and, if currently displayed, the add-on bar) left showing.

disablefastfind: Type: boolean; Put disablefastfind="true" on the root element of a XUL document, which is intended to be loaded in a tab, to disable the find bar for the tab with this document. This is used to prevent the find bar from being displayed when it's not supported by the content (such as in the Add-ons manager tab).

drawintitlebar: Type: boolean; If this attribute is true, the top of the window's content area will begin at the top edge of the title bar, instead of below the title bar. This allows the window to draw in the title bar. This is supported only from window elements, and is ignored on platforms that don't support drawing into the title bar.

fullscreenbutton: Type: boolean; Set this attribute to true to display a button in the window chrome to allow the user to switch the window into full screen mode. Supported on Mac OS X 10.7 Lion and later and on Windows. The window receives a "fullscreen" event once the change has been made.

height: Type: string (representing an integer); The preferred height of the element in pixels. The actual displayed height may be different if the element or its contents have a minimum or maximum height. The CSS height property may also be used.

hidechrome: Type: boolean; Set this attribute to true to have the chrome including the titlebar hidden.

id: Type: unique id; A unique identifier so that you can identify the element with. You can use this as a parameter to getElementById() and other DOM functions and to reference the element in style sheets.

inactivetitlebarcolor: Type: color string; Specify background color of the window's titlebar when it is inactive (background). Moreover this hides separator between titlebar and window contents. This affects only on Mac OS X.

lightweightthemes: Type: boolean; true if the window supports lightweight themes, otherwise false.

lightweightthemesfooter: Type: id; Specifies the ID of an element to which a lightweight theme's footer image will be applied.

screenX: Type: integer; The horizontal position at which the window appears on the screen.

screenY: Type: integer; The vertical position at which the window appears on the screen.

sizemode

Type: one of the values below

The state of the window. It can have one of the following values:

maximized: The window is maximized, and occupies the full size of the screen.
normal: The window appears in a normal state at the desired size.

This attribute is used to save and restore the state of a window (together with the persist attribute) and for CSS styles (e.g. to hide the resizer grippy on maximized windows).

Note: When a window is minimized, the sizemode attribute is not updated. This is done so that if a window is closed while minimized, its persisted sizemode attribute wouldn't be minimized.

Setting this attribute does not change the window state. Use window.maximize(), window.restore(), or window.minimize() to change the window state.

To get the window state from JavaScript code, use window.windowState. Listen to the sizemodechange event dispatched to the DOM window to get notified when the window state changes.

title: Type: string; The text to appear in the title bar of the window.

width: Type: string (representing an integer); The preferred width of the element. The value should not include a unit as all values are in pixels. The actual displayed width may be different if the element or its contents have a minimum or maximum width, or the size is adjusted by the flexibility or alignment of its parent. The CSS width property may also be used.

windowtype: Type: string; Set to a string which can be used to identify the type of window. This might be used, for example, to distinguish between a browser window and an editor window. Some of Mozilla's window handling functions use this attribute to group windows of the same type together.

Values for window type as found on MXR: https://mxr.mozilla.org/mozilla-release/search?string=windowtype

navigator:browser - Looks like if window has gBrowser it has this window type

devtools:scratchpad - Scratchpad windows

navigator:view-source - The view source windows

Properties

Inherited Properties
align, attributes, allowEvents, baseURI, boxObject, builder, childElementCount, childNodes, children, className, clientHeight, clientLeft, clientTop, clientWidth, collapsed, contextMenu, controllers, database, datasources, dir, firstChild, firstElementChild, flex, height, hidden, id, lastChild, lastElementChild, left, localName, maxHeight, maxWidth, menu, minHeight, minWidth, namespaceURI, nextElementSibling, nextSibling, nodeName, nodeType, nodeValue, observes, ordinal, orient, ownerDocument, pack, parentNode, persist, prefix, previousElementSibling, previousSibling, ref, resource, scrollHeight, scrollLeft, scrollTop, scrollWidth, statusText, style, tagName,textContent, tooltip, tooltipText, top, width

Methods

Inherited Methods
addEventListener(), appendChild(), blur, click, cloneNode(), compareDocumentPosition, dispatchEvent(), doCommand, focus, getAttribute(), getAttributeNode(), getAttributeNodeNS(), getAttributeNS(), getBoundingClientRect(), getClientRects(), getElementsByAttribute, getElementsByAttributeNS, getElementsByClassName(), getElementsByTagName(), getElementsByTagNameNS(), getFeature, getUserData, hasAttribute(), hasAttributeNS(), hasAttributes(), hasChildNodes(), insertBefore(), isDefaultNamespace(), isEqualNode, isSameNode, isSupported(), lookupNamespaceURI, lookupPrefix, normalize(), querySelector(), querySelectorAll(), removeAttribute(), removeAttributeNode(), removeAttributeNS(), removeChild(), removeEventListener(), replaceChild(), setAttribute(), setAttributeNode(), setAttributeNodeNS(), setAttributeNS(), setUserData

Note

The error message "XML Parsing Error: undefined entity...<window" can be caused by a missing or unreachable DTD file referenced in the XUL file. A filename following the SYSTEM keyword in a DOCTYPE declaration may silently fail to load and the only error message will be an undefined entity error on the next XUL element.

prefwindow, dialog, dialogheader

window

Examples

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Properties

Methods

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window

Examples

Attributes

Properties

Methods

Note

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User Notes

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