151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_OUTPUT_LAYOUT_H
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#define WLR_TYPES_WLR_OUTPUT_LAYOUT_H
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#include <stdbool.h>
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#include <wayland-util.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/util/addon.h>
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struct wlr_box;
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struct wlr_output_layout_state;
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/**
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* Helper to arrange outputs in a 2D coordinate space. The output effective
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* resolution is used, see wlr_output_effective_resolution.
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*
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* Outputs added to the output layout are automatically exposed to clients (see
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* wlr_output_create_global). They are no longer exposed when removed from the
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* layout.
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*/
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struct wlr_output_layout {
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struct wl_list outputs;
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struct wlr_output_layout_state *state;
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struct {
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struct wl_signal add;
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struct wl_signal change;
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struct wl_signal destroy;
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} events;
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void *data;
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};
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struct wlr_output_layout_output_state;
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struct wlr_output_layout_output {
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struct wlr_output *output;
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int x, y;
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struct wl_list link;
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struct wlr_output_layout_output_state *state;
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struct wlr_addon addon;
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struct {
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struct wl_signal destroy;
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} events;
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};
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struct wlr_output_layout *wlr_output_layout_create(void);
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void wlr_output_layout_destroy(struct wlr_output_layout *layout);
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/**
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* Get the output layout for the specified output. Returns NULL if no output
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* matches.
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*/
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struct wlr_output_layout_output *wlr_output_layout_get(
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struct wlr_output_layout *layout, struct wlr_output *reference);
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/**
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* Get the output at the specified layout coordinates. Returns NULL if no
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* output matches the coordinates.
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*/
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struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
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double lx, double ly);
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/**
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* Add the output to the layout at the specified coordinates. If the output is
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* already part of the output layout, this moves the output.
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*/
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void wlr_output_layout_add(struct wlr_output_layout *layout,
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struct wlr_output *output, int lx, int ly);
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void wlr_output_layout_move(struct wlr_output_layout *layout,
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struct wlr_output *output, int lx, int ly);
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void wlr_output_layout_remove(struct wlr_output_layout *layout,
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struct wlr_output *output);
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/**
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* Given x and y in layout coordinates, adjusts them to local output
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* coordinates relative to the given reference output.
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*/
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void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
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struct wlr_output *reference, double *lx, double *ly);
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bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
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struct wlr_output *reference, int lx, int ly);
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bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
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struct wlr_output *reference, const struct wlr_box *target_lbox);
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/**
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* Get the closest point on this layout from the given point from the reference
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* output. If reference is NULL, gets the closest point from the entire layout.
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*/
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void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
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struct wlr_output *reference, double lx, double ly, double *dest_lx,
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double *dest_ly);
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/**
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* Get the box of the layout for the given reference output in layout
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* coordinates. If `reference` is NULL, the box will be for the extents of the
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* entire layout.
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*/
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struct wlr_box *wlr_output_layout_get_box(
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struct wlr_output_layout *layout, struct wlr_output *reference);
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/**
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* Add an auto configured output to the layout. This will place the output in a
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* sensible location in the layout. The coordinates of the output in the layout
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* may adjust dynamically when the layout changes. If the output is already in
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* the layout, it will become auto configured. If the position of the output is
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* set such as with `wlr_output_layout_move()`, the output will become manually
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* configured.
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*/
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void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
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struct wlr_output *output);
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/**
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* Get the output closest to the center of the layout extents.
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*/
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struct wlr_output *wlr_output_layout_get_center_output(
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struct wlr_output_layout *layout);
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enum wlr_direction {
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WLR_DIRECTION_UP = 1 << 0,
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WLR_DIRECTION_DOWN = 1 << 1,
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WLR_DIRECTION_LEFT = 1 << 2,
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WLR_DIRECTION_RIGHT = 1 << 3,
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};
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/**
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* Get the closest adjacent output to the reference output from the reference
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* point in the given direction.
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*/
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struct wlr_output *wlr_output_layout_adjacent_output(
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struct wlr_output_layout *layout, enum wlr_direction direction,
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struct wlr_output *reference, double ref_lx, double ref_ly);
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struct wlr_output *wlr_output_layout_farthest_output(
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struct wlr_output_layout *layout, enum wlr_direction direction,
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struct wlr_output *reference, double ref_lx, double ref_ly);
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#endif
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