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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_LAYOUT_H
#define WLR_TYPES_WLR_OUTPUT_LAYOUT_H
#include <stdbool.h>
#include <wayland-util.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_output.h>
struct wlr_output_layout_state;
struct wlr_output_layout {
struct wl_list outputs;
struct wlr_output_layout_state *state;
struct {
struct wl_signal add;
struct wl_signal change;
struct wl_signal destroy;
} events;
void *data;
};
struct wlr_output_layout_output_state;
struct wlr_output_layout_output {
struct wlr_output *output;
int x, y;
struct wl_list link;
struct wlr_output_layout_output_state *state;
struct {
struct wl_signal destroy;
} events;
};
/**
* Creates a wlr_output_layout, which can be used to describing outputs in
* physical space relative to one another, and perform various useful operations
* on that state.
*/
struct wlr_output_layout *wlr_output_layout_create();
void wlr_output_layout_destroy(struct wlr_output_layout *layout);
struct wlr_output_layout_output *wlr_output_layout_get(
struct wlr_output_layout *layout, struct wlr_output *reference);
struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
double lx, double ly);
void wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly);
void wlr_output_layout_move(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly);
void wlr_output_layout_remove(struct wlr_output_layout *layout,
struct wlr_output *output);
/**
* Given x and y in layout coordinates, adjusts them to local output
* coordinates relative to the given reference output.
*/
void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
struct wlr_output *reference, double *lx, double *ly);
bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
struct wlr_output *reference, int lx, int ly);
bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
struct wlr_output *reference, const struct wlr_box *target_lbox);
/**
* Get the closest point on this layout from the given point from the reference
* output. If reference is NULL, gets the closest point from the entire layout.
*/
void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
struct wlr_output *reference, double lx, double ly, double *dest_lx,
double *dest_ly);
/**
* Get the box of the layout for the given reference output in layout
* coordinates. If `reference` is NULL, the box will be for the extents of the
* entire layout.
*/
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference);
/**
* Add an auto configured output to the layout. This will place the output in a
* sensible location in the layout. The coordinates of the output in the layout
* may adjust dynamically when the layout changes. If the output is already in
* the layout, it will become auto configured. If the position of the output is
* set such as with `wlr_output_layout_move()`, the output will become manually
* configured.
*/
void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
struct wlr_output *output);
/**
* Get the output closest to the center of the layout extents.
*/
struct wlr_output *wlr_output_layout_get_center_output(
struct wlr_output_layout *layout);
enum wlr_direction {
WLR_DIRECTION_UP = 1,
WLR_DIRECTION_DOWN = 2,
WLR_DIRECTION_LEFT = 4,
WLR_DIRECTION_RIGHT = 8,
};
/**
* Get the closest adjacent output to the reference output from the reference
* point in the given direction.
*/
struct wlr_output *wlr_output_layout_adjacent_output(
struct wlr_output_layout *layout, enum wlr_direction direction,
struct wlr_output *reference, double ref_lx, double ref_ly);
struct wlr_output *wlr_output_layout_farthest_output(
struct wlr_output_layout *layout, enum wlr_direction direction,
struct wlr_output *reference, double ref_lx, double ref_ly);
#endif