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3 Commits

Author SHA1 Message Date
Sangam Shrestha
d261411b4c
Remove redundant useMaterial3: true (#163376)
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This PR removes redundant useMaterial3: true as described in
https://github.com/flutter/flutter/issues/162818

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

- https://github.com/flutter/flutter/issues/162818

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---------

Co-authored-by: Qun Cheng <36861262+QuncCccccc@users.noreply.github.com>
2025-03-14 17:50:20 +00:00
davidhicks980
d48820528c
[raw_menu_anchor.0.dart] Remove misdrawn emojis. (#162807)
This PR removes the leading emojis displayed on the RawMenuAnchor
example. I knew emojis usually showed up monochrome on web, but code
samples also appear to incorrectly display the emoji source.

Because this change doesn't affect the menu's functionality, I didn't
include additional tests, but I'd be happy to add tests if needed. One
test was modified to account for menu items no longer having a leading
icon.

<img width="1247" alt="image"
src="https://github.com/user-attachments/assets/58a338c8-c882-4ad1-af44-596d91e9f382"
/>

Fixes https://github.com/flutter/flutter/issues/162806

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---------

Co-authored-by: Tirth <pateltirth454@gmail.com>
2025-02-07 20:45:35 +00:00
davidhicks980
b29f8f7fb9
Implement RawMenuAnchor (#158255)
This PR adds a `RawMenuAnchor()` widget to widgets.dart. The purpose of
this widget is to provide a menu primitive for the Material and
Cupertino libraries (and others) to build upon. Additionally, this PR
makes MenuController an inherited widget to simplify nested access to
the menu (e.g. if you want to launch a context menu from a deeply-nested
widget).

This PR:
* Centralizes core menu logic to a private class,` _RawMenuAnchor()`, 
  * Provides the internals for interacting with menus:
    * TapRegion interop
    * DismissMenuAction handler
    * Close on scroll/resize
    * Focus traversal information, if applicable
* Subclasses override `_open`, `_close`, `_isOpen`, `_buildAnchor`, and
`_menuScopeNode`
* State is accessible by descendents via
`MenuController.maybeOf(context)._anchor`
* Adds 2 public constructors, backed by a `_RawMenuAnchor()` that
contains shared logic.
  * `RawMenuAnchor()`
    * Users build the overlay from scratch.
* Provides anchor/overlay position information and TapRegionGroupId to
builder
    * Does not provide FocusScope management. 
  * `RawMenuAnchorGroup()`
    * A primitive for menus that do not have overlays (menu bars). 
* This was previously called RawMenuAnchor.node(), but @dkwingsmt made a
good case for splitting out the constructor.

<s>Documentation examples have been added, and can be viewed at
https://menu-anchor.web.app/</s>


<s>https://github.com/user-attachments/assets/25d35f23-2aad-4d07-9172-5c3fd65d53cf</s>

@dkwingsmt 

List which issues are fixed by this PR.
https://github.com/flutter/flutter/pull/143712

Some issues that need to be addressed:

Semantics:
<img width="1027" alt="image"
src="https://github.com/user-attachments/assets/d69661c9-8435-4d9c-b200-474968cb57eb">
I'm basing the menu semantics off of the comment
[here](ef3ca70db2/lib/web_ui/lib/src/engine/semantics/semantics.dart (L382)),
but I'm unsure whether the route should be given a name. There is no
menubar/menu/menuitem role in Flutter, so I'm assuming the menu should
be composed of nested dialogs

<s>Unlike the menubar pattern from
[W3C](https://www.w3.org/WAI/ARIA/apg/patterns/menubar/examples/menubar-navigation/),
the RawMenuAnchor

- does not close on tab/shift-tab. I left this behavior out of the menu
so that users could customize tab behavior, but I'm not opinionated
either way
- does not open on ArrowUp/ArrowDown, because this could interfere with
user focus behavior in unconventional menu setups (e.g. a vertical
menu).
- does not automatically focus the first item in a menu overlay when
activated via enter/spacebar, but does focus the first item when
horizontal traversal opens a submenu. Automatically focusing the first
item whenever an overlay opens interferes with hover traversal, and I
couldn't think of a good way to only focus the first item when an
overlay is triggered via enter/spacebar.
- doesn't focus disabled items (I wasn't sure how to address this
without editing MenuItemButton)

While it is possible to nest menus -- for example, a dropdown anchor
within a full-app context menu area -- nested menus behave as a single
group. I was considering adding an additional parameter that separates
nested root menus from their parents, and am interested to hear your
feedback.</s>

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link to the migration guide as per the [breaking change policy].*

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---------

Co-authored-by: Bruno Leroux <bruno.leroux@gmail.com>
Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
2025-02-03 23:55:03 +00:00