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expo: Implement the keypress logic for popup menus

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In 'popup' mode, the expo allows moving around the objects in a scene.
When 'enter' is pressed on a menu, it opens and the user can move around
the items in the menu.

Implement this using keypress handles and actions.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-07-14 12:54:51 -04:00
committed by Tom Rini
parent 4c87e073a4
commit 4e64beeba7
4 changed files with 96 additions and 4 deletions
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doc/develop/expo.rst
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@@ -178,8 +178,7 @@ Some ideas for future work:
- Image formats other than BMP
- Use of ANSI sequences to control a serial terminal
- Colour selection
- Better support for handling lots of settings, e.g. with multiple menus and
radio/option widgets
- Better support for handling lots of settings, e.g. with radio/option widgets
- Mouse support
- Integrate Nuklear, NxWidgets or some other library for a richer UI
- Optimise rendering by only updating the display with changes since last render