All motion mouse (DECSET 1003)

Category: modes · Tags: DEC Private Modes, Xterm Extensions · Specification ↗

DECSET 1003 enables all-motion mouse tracking — the terminal reports mouse movement events even when no button is pressed. The sequence is ESC [ ? 1003 h. This generates significantly more traffic than normal tracking (?1000) or button-event tracking (?1002), so applications should only enable it when hover effects are needed.

Supported by 6 of 6 backends (100%)

Support Matrix

Backend	Version	Support	Notes
Alacritty	0.26.0	✓ yes
Ghostty	1.3.1	✓ yes
Kitty	0.40.0	✓ yes
vt100	0.1.0	✓ yes
WezTerm	0.1.0-fork.5	✓ yes
xterm.js	5.5.0	✓ yes

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