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expo: Support simple themes

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It is a pain to manually set the fonts of all objects to be consistent.
Some spacing settings are also better set globally than by manually
positioning each object.

Add a 'theme' to the expo, to hold this information. For now it includes
only the font size.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-06-01 10:22:53 -06:00
committed by Tom Rini
parent 699b0acb52
commit 2e59389704
6 changed files with 95 additions and 3 deletions
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9
doc/develop/expo.rst
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@@ -155,8 +155,13 @@ such as scanning devices for more bootflows.
Themes
------
Expo does not itself support themes. The bootflow_menu implement supposed a
basic theme, applying font sizes to the various text objects in the expo.
Expo supports simple themes, for setting the font size, for example. Use the
expo_apply_theme() function to load a theme, passing a node with the required
properties:
font-size
Font size to use for all text (type: u32)
API documentation
-----------------