8000 Escape characters in texts, eg. `label` · Issue #40 · clydebarrow/esphome · GitHub
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Escape characters in texts, eg. label #40

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nagyrobi opened this issue Jan 16, 2024 · 2 comments
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Escape characters in texts, eg. label #40

nagyrobi opened this issue Jan 16, 2024 · 2 comments

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@nagyrobi
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nagyrobi commented Jan 16, 2024 •
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label supports multiline texts: https://docs.lvgl.io/8.3/widgets/core/label.html#newline
\n should start a new line. Currently:

        - label:
            align: center
            id: lbl_id
            y: 30
            recolor: true
            text: 'Write a #ff0000 red# word\nand a #0000ff blue# one'

produces:
kép
looks like \n is interpreted textually, not being escaped.

Other escape sequences like \u, \U should be supported on long term...

Also LVGL supports formatting with printf which is also ESPHome-friendly: https://docs.lvgl.io/8.3/widgets/core/label.html#set-text this could be usable when updating labels from lambdas.

Maybe some configurable options would be needed? Like escape_chars: true and use_printf: true?
@nagyrobi nagyrobi mentioned this issue Jan 22, 2024
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@clydebarrow
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For escape sequences like newline to be translated, enclose the string in double quotes:

"Write a #ff0000 red# word\nand a #0000ff blue# one"

@nagyrobi
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nagyrobi commented Feb 3, 2024

😬 can't believe I missed that, sorry.

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