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

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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@ -18,6 +18,8 @@ struct cg_output {
struct wl_listener frame;
struct wl_list link; // cg_server::outputs
bool dpms_powered_off;
};
void handle_output_manager_apply(struct wl_listener *listener, void *data);
@ -25,5 +27,6 @@ void handle_output_manager_test(struct wl_listener *listener, void *data);
void handle_output_layout_change(struct wl_listener *listener, void *data);
void handle_new_output(struct wl_listener *listener, void *data);
void output_set_window_title(struct cg_output *output, const char *title);
void handle_output_power_manager_set_mode(struct wl_listener *listener, void *data);
#endif