output_manager.c File Reference

#include "output_manager.h"
#include <libbase/libbase.h>
#include <stdbool.h>
#include <stdlib.h>
#include <toolkit/toolkit.h>
#include <wayland-server-core.h>
#include <wlr/backend.h>
#include <wlr/render/allocator.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output_management_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include "output.h"
#include "output_config.h"

Include dependency graph for output_manager.c:

Classes
struct	_wlmbe_output_manager_t
struct	_wlmaker_output_manager_config_head_apply_arg_t

Functions
static bool	_wlmbe_output_manager_update_output_configuration (struct wl_list *link_ptr, void *ud_ptr)
static bool	_wlmaker_output_manager_config_head_apply (struct wl_list *link_ptr, void *ud_ptr)
static bool	_wlmbe_output_manager_apply (wlmbe_output_manager_t *output_manager_ptr, struct wlr_output_configuration_v1 *wlr_output_configuration_v1_ptr, bool really)
static void	_wlmbe_output_manager_handle_wlr_om_destroy (struct wl_listener *listener_ptr, void *data_ptr)
static void	_wlmbe_output_manager_handle_apply (struct wl_listener *listener_ptr, void *data_ptr)
static void	_wlmbe_output_manager_handle_test (struct wl_listener *listener_ptr, void *data_ptr)
static void	_wlmbe_output_manager_handle_xdg_om_destroy (struct wl_listener *listener_ptr, void *data_ptr)
static void	_wlmbe_output_manager_handle_output_layout_destroy (struct wl_listener *listener_ptr, void *data_ptr)
static void	_wlmbe_output_manager_handle_output_layout_change (struct wl_listener *listener_ptr, void *data_ptr)
wlmbe_output_manager_t *	wlmbe_output_manager_create (struct wl_display *wl_display_ptr, struct wlr_scene *wlr_scene_ptr, struct wlr_output_layout *wlr_output_layout_ptr, struct wlr_backend *wlr_backend_ptr)
void	wlmbe_output_manager_destroy (wlmbe_output_manager_t *output_manager_ptr)

Detailed Description

Copyright

Copyright 2025 Google LLC

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

_wlmaker_output_manager_config_head_apply()

static bool _wlmaker_output_manager_config_head_apply ( struct wl_list *  link_ptr, void *  ud_ptr  )

static

Applies the heads's output configuration.

Callback for wlmtk_util_wl_list_for_each.

Parameters

link_ptr
ud_ptr

Returns

true if the tests & apply methods succeeded.

_wlmbe_output_manager_apply()

bool _wlmbe_output_manager_apply ( wlmbe_output_manager_t *  output_manager_ptr, struct wlr_output_configuration_v1 *  wlr_output_configuration_v1_ptr, bool  really  )

static

Tests and applies an output configuration.

Parameters

output_manager_ptr
wlr_output_configuration_v1_ptr
really	Whether to not just test, but also apply it.

Returns

true on success.

_wlmbe_output_manager_handle_apply()

void _wlmbe_output_manager_handle_apply ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handler for wlr_output_manager_v1::events.apply. Cleans up.

_wlmbe_output_manager_handle_output_layout_change()

void _wlmbe_output_manager_handle_output_layout_change ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handles layout change events.

_wlmbe_output_manager_handle_output_layout_destroy()

void _wlmbe_output_manager_handle_output_layout_destroy ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handles dtor for wlmbe_output_manager_t::wlr_output_layout_ptr.

_wlmbe_output_manager_handle_test()

void _wlmbe_output_manager_handle_test ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handler for wlr_output_manager_v1::events.test.

_wlmbe_output_manager_handle_wlr_om_destroy()

void _wlmbe_output_manager_handle_wlr_om_destroy ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handler for wlr_output_manager_v1::events.destroy. Detaches.

_wlmbe_output_manager_handle_xdg_om_destroy()

void _wlmbe_output_manager_handle_xdg_om_destroy ( struct wl_listener *  listener_ptr, void *  data_ptr  )

static

Handler for wlr_xdg_output_manager_v1::events.destroy. Detaches.

_wlmbe_output_manager_update_output_configuration()

bool _wlmbe_output_manager_update_output_configuration ( struct wl_list *  link_ptr, void *  ud_ptr  )

static

Iterator for the struct wlr_output_layout_output referenced from struct wlr_output_layout::outputs.

Adds the configuration head for the given output to the provided output configuration.

Parameters

link_ptr	struct wlr_output_layout_output::link.
ud_ptr	The output configuration, a pointer to struct wlr_output_configuration_v1.

Returns

true on success.

wlmbe_output_manager_create()

wlmbe_output_manager_t * wlmbe_output_manager_create	(	struct wl_display *	wl_display_ptr,
		struct wlr_scene *	wlr_scene_ptr,
		struct wlr_output_layout *	wlr_output_layout_ptr,
		struct wlr_backend *	wlr_backend_ptr
	)

Instantiates output managers for both wlr-output-management-unstable-v1 and xdg-output-unstable-v1. Both will listen for output changes in wlr_output_layout_ptr and update the respective output configurations is requested so.

Parameters

wl_display_ptr
wlr_scene_ptr
wlr_output_layout_ptr
wlr_backend_ptr

Returns

Handle for the output managers, or NULL on error. Must be destroyed by wlmbe_output_manager_destroy.

wlmbe_output_manager_destroy()

void wlmbe_output_manager_destroy

(

wlmbe_output_manager_t *

output_manager_ptr

)

Destroy the output manager, returned from wlmbe_output_manager_create.

Parameters

output_manager_ptr