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/* ========================================================================= */
/**
* @file output.h
*
* @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.
*/
#ifndef __WLMBE_OUTPUT_H__
#define __WLMBE_OUTPUT_H__
#include <libbase/libbase.h>
#include <stdbool.h>
#include "output_config.h"
/** Handle for an output device. */
typedef struct _wlmbe_output_t wlmbe_output_t;
struct wlr_output;
struct wlr_allocator;
struct wlr_renderer;
struct wlr_scene;
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
/**
* Creates an output device from `wlr_output_ptr`.
*
* @param wlr_output_ptr
* @param wlr_allocator_ptr
* @param wlr_renderer_ptr
* @param wlr_scene_ptr
* @param config_ptr
* @param width
* @param height
*
* @return The output device handle or NULL on error.
*/
wlmbe_output_t *wlmbe_output_create(
struct wlr_output *wlr_output_ptr,
struct wlr_allocator *wlr_allocator_ptr,
struct wlr_renderer *wlr_renderer_ptr,
struct wlr_scene *wlr_scene_ptr,
wlmbe_output_config_t *config_ptr,
int width,
int height);
/**
* Destroys the output device handle, as created by @ref wlmbe_output_create.
*
* @param output_ptr
*/
void wlmbe_output_destroy(wlmbe_output_t *output_ptr);
/** @return A long description string, @see wlmbe_output_t::description_ptr. */
const char *wlmbe_output_description(wlmbe_output_t *output_ptr);
/** Returns @ref wlmbe_output_t::wlr_output_ptr. */
struct wlr_output *wlmbe_wlr_output_from_output(wlmbe_output_t *output_ptr);
/**
* Gets the attributes of this output.
*
* @param output_ptr
*
* @return pointer to @ref wlmbe_output_config_t::attributes of
* @ref wlmbe_output_t::output_config_ptr.
*/
const wlmbe_output_config_attributes_t *wlmbe_output_attributes(
wlmbe_output_t *output_ptr);
/** Updates attributes from wlr_output, and from the given position data. */
void wlmbe_output_update_attributes(
wlmbe_output_t *output_ptr,
int x,
int y,
bool has_position);
/** Returns a pointer to @ref wlmbe_output_t::dlnode. */
bs_dllist_node_t *wlmbe_dlnode_from_output(wlmbe_output_t *output_ptr);
/** Returns the @ref wlmbe_output_t for @ref wlmbe_output_t::dlnode. */
wlmbe_output_t *wlmbe_output_from_dlnode(bs_dllist_node_t *dlnode_ptr);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif /* __WLMBE_OUTPUT_H__ */
/* == End of output.h ====================================================== */
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