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From "Noel Grandin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIVOT-181) Context menu handler
Date Wed, 22 Jul 2009 14:43:16 GMT

    [ https://issues.apache.org/jira/browse/PIVOT-181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12734133#action_12734133
] 

Noel Grandin commented on PIVOT-181:
------------------------------------

I'm not sure that context-menu handling is sufficiently standardized that you can do ALL of
that. (I'm in general agreement with need for some framework level support).

Specifically, I don't think you can walk down the tree and accumulate context menu entries,
because some components are going to want to do radically different things on right-mouse-click.
For example, some people might want to implement radial context menus, or simply do something
else altogether on right-mouse-click.

But I can definitely see the need for some utility code that makes implementing context menus
easier.


> Context menu handler
> --------------------
>
>                 Key: PIVOT-181
>                 URL: https://issues.apache.org/jira/browse/PIVOT-181
>             Project: Pivot
>          Issue Type: New Feature
>          Components: wtk
>            Reporter: Todd Volkert
>            Assignee: Todd Volkert
>             Fix For: 1.3
>
>
> Create framework-level support for context menus by creating a Component.ContextMenuHandler
interface.  When the display host detects a right click, it will:
> 1) Get a reference to the lowest-level component that the mouse is over, and if that's
non-null...
> 2) Construct the path from the display to that component, instantiate a MenuPopup
> 3) Walk the path, passing the menu popup's menu to each ContextMenuHandler that is found
along the path
> 4) Open the menu popup if the menu is non-empty after the path has been walked

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