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Diffstat (limited to 'toolkit/content/widgets/panel-list/README.stories.md')
| -rw-r--r-- | toolkit/content/widgets/panel-list/README.stories.md | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/toolkit/content/widgets/panel-list/README.stories.md b/toolkit/content/widgets/panel-list/README.stories.md index b8800e2b5f..3e8617958e 100644 --- a/toolkit/content/widgets/panel-list/README.stories.md +++ b/toolkit/content/widgets/panel-list/README.stories.md @@ -6,7 +6,7 @@ children and optional `hr` elements as separators. The `panel-list` will anchor itself to the target of the initiating event when opened with `panelList.toggle(event)`. -Note: Nested menus are not currently supported. XUL is currently required to +Note: XUL is currently required to support accesskey underlining (although using `moz-label` could change that). Shortcuts are not displayed automatically in the `panel-item`. @@ -229,3 +229,23 @@ grow larger than its containing window if needed. </html:panel-list> </panel> ``` + +### Submenus + +`panel-list` supports nested submenus. Submenus can be created by nesting a second `panel-list` in a `panel-item`'s `submenu` slot and specifying a `submenu` attribute on that `panel-item` that points to the nested list's ID. For example: + +```html +<panel-list> + <panel-item>No submenu</panel-item> + <panel-item>No submenu</panel-item> + <panel-item submenu="example-submenu"> + Has a submenu + <panel-list slot="submenu" id="example-submenu"> + <panel-item>I'm a submenu item!</panel-item> + <panel-item>I'm also a submenu item!</panel-item> + </panel-list> + </panel-item> +</panel-list> +``` + +As of February 2024 submenus are only in use in Firefox View and support for nesting beyond one submenu may be limited. |