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# monitors
Settings > Hyprland > Monitors: the connected monitors, from `hyprctl
monitors -j`.
The layout draws each monitor at its logical size (rotated a quarter turn
swaps width and height, scale divides both). Drag one to move it; on release
it snaps to the other monitor's edges when within 64 logical pixels, and its
position becomes exact; a click without movement does not snap. Each card sets the mode, from the monitor's own list
with duplicates dropped, the scale, rotation and flip, VRR, and the position,
exact or one of Hyprland's `auto-*` values.
Apply runs each monitor's `hl.monitor({ ... })` through `hyprctl eval`, one
call per monitor because eval wraps its argument in a `return`. A refused
line (exit 7) changes nothing and shows its error; a reload follows, since an
earlier monitor may have gone through. Accepted, the change is live and a bar
asks to keep it. Keep writes `~/.config/hypr/sections/monitors.lua`, which
this page owns and rewrites whole. Revert, leaving the page, or 15 seconds
with no answer runs `hyprctl reload`, which reapplies the untouched file. A
setting that blanks a screen never reaches the file. The cards and the layout
are locked while the bar waits, since Keep writes the draft as it stands.
hyprctl only reports where a monitor ended up, so a monitor set to an `auto-*`
position in the file reads back as exact. VRR is assumed to read the same
way, as the active state rather than the configured one, so a `vrr = 2`
(fullscreen only) would read off and be dropped by Keep; not checked, as the
config sets no VRR.
Not handled: disabling an output, mirroring, bit depth and colour management,
outputs that are not connected (an unplugged monitor drops out of the file on
Keep), renaming outputs. The island and the window switcher are tied to DP-1
by name.
## Check
node desktop/modules/monitors/test_mon.js
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