osc: add support for osc 176 (app ID)

This adds support for a new OSC escape sequence: OSC 176, that lets
terminal programs tell the terminal the name of the app that is
running. foot then sets the app ID of the toplevel to that ID,
which lets the compositor know which app is running, and typically
sets the appropriate icon, window grouping, ...

See: https://gist.github.com/delthas/d451e2cc1573bb2364839849c7117239
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delthas 2023-09-04 14:02:05 +02:00 committed by Daniel Eklöf
parent 4801d3a305
commit 6c56b04b3f
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8 changed files with 101 additions and 2 deletions

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@ -693,6 +693,11 @@ All _OSC_ sequences begin with *\\E]*, sometimes abbreviated _OSC_.
| \\E] 133 ; D \\E\\
: FinalTerm
: Mark end of command output
| \\E] 176 ; _app-id_ \\E\\
: foot
: Set app ID. _app-id_ is optional; if assigned,
the terminal window App ID will be set to the value.
An empty App ID resets the value to the default.
| \\E] 555 \\E\\
: foot
: Flash the entire terminal (foot extension)