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cage: add support for wlr-output-power-management

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This implements the zwlr_output_power_management_v1 protocol, which
allow clients such as swayidle to toggle display power state. Outputs
are intentionally not removed per the discussion in #245.

A dpms_powered_off flag is tracked on each output to prevent a DPMS "on"
request from re-enabling an output that was disabled via wlr-output-management
rather than DPMS.

The protocol generation/dep additions is heavily inspired by swaywm

Fixes #245
This commit is contained in:
Clayton Craft 2026-06-05 09:05:21 -07:00
parent 79e1e0dfaa
commit 7e44e3c832
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7 changed files with 199 additions and 1 deletions
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26
protocols/meson.build Normal file
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@ -0,0 +1,26 @@
wayland_scanner_dep = dependency('wayland-scanner', native: true)
wayland_scanner = find_program(
wayland_scanner_dep.get_variable('wayland_scanner'),
native: true,
)
wl_protos_src = []
protocols = [
'wlr-output-power-management-unstable-v1.xml',
]
foreach xml : protocols
wl_protos_src += custom_target(
xml.underscorify() + '_c',
input: xml,
output: '@BASENAME@-protocol.c',
command: [wayland_scanner, 'private-code', '@INPUT@', '@OUTPUT@'],
)
wl_protos_src += custom_target(
xml.underscorify() + '_server_h',
input: xml,
output: '@BASENAME@-protocol.h',
command: [wayland_scanner, 'server-header', '@INPUT@', '@OUTPUT@'],
)
endforeach