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output-group: new helper

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wlr_output_group allows compositors to group multiple outputs
together and manage them as a single wlr_output. It's useful for
output mirroring, and in the future for handling tiled displays.
This commit is contained in:
Simon Ser 2021-07-26 14:22:44 +02:00
parent ace2eda073
commit ff457e925b
3 changed files with 202 additions and 0 deletions
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32
include/wlr/types/wlr_output_group.h Normal file
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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_OUTPUT_GROUP_H
#define WLR_TYPES_WLR_OUTPUT_GROUP_H
#include <wlr/types/wlr_output.h>
struct wlr_output_group_child;
struct wlr_output_group {
struct wlr_output base;
// Private state
struct wlr_output *main_output;
struct wl_list children; // wlr_output_group_child.link
struct wl_listener main_output_destroy;
};
struct wlr_output_group *wlr_output_group_create(struct wlr_output *main_output);
struct wlr_output_group_child *wlr_output_group_add(
struct wlr_output_group *group, struct wlr_output *output);
void wlr_output_group_child_destroy(struct wlr_output_group_child *child);
#endif