swayfx/include/sway/container.h
2018-02-22 18:37:14 -05:00

170 lines
3.9 KiB
C

#ifndef _SWAY_CONTAINER_H
#define _SWAY_CONTAINER_H
#include <stdint.h>
#include <sys/types.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include "list.h"
typedef struct sway_container swayc_t;
extern swayc_t root_container;
struct sway_view;
struct sway_seat;
/**
* Different kinds of containers.
*
* This enum is in order. A container will never be inside of a container below
* it on this list.
*/
enum swayc_types {
C_ROOT, /**< The root container. Only one of these ever exists. */
C_OUTPUT, /**< An output (aka monitor, head, etc). */
C_WORKSPACE, /**< A workspace. */
C_CONTAINER, /**< A manually created container. */
C_VIEW, /**< A view (aka window). */
C_TYPES,
};
/**
* Different ways to arrange a container.
*/
enum swayc_layouts {
L_NONE, /**< Used for containers that have no layout (views, root) */
L_HORIZ,
L_VERT,
L_STACKED,
L_TABBED,
L_FLOATING, /**< A psuedo-container, removed from the tree, to hold floating windows */
/* Awesome/Monad style auto layouts */
L_AUTO_LEFT,
L_AUTO_RIGHT,
L_AUTO_TOP,
L_AUTO_BOTTOM,
L_AUTO_FIRST = L_AUTO_LEFT,
L_AUTO_LAST = L_AUTO_BOTTOM,
// Keep last
L_LAYOUTS,
};
enum swayc_border_types {
B_NONE, /**< No border */
B_PIXEL, /**< 1px border */
B_NORMAL, /**< Normal border with title bar */
};
struct sway_root;
struct sway_output;
struct sway_view;
/**
* Stores information about a container.
*
* The tree is made of these. Views are containers that cannot have children.
*/
struct sway_container {
union {
// TODO: Encapsulate state for other node types as well like C_CONTAINER
struct sway_root *sway_root; // C_ROOT
struct sway_output *sway_output; // C_OUTPUT
struct sway_view *sway_view; // C_VIEW
};
/**
* A unique ID to identify this container. Primarily used in the
* get_tree JSON output.
*/
size_t id;
char *name;
enum swayc_types type;
enum swayc_layouts layout;
enum swayc_layouts prev_layout;
enum swayc_layouts workspace_layout;
/**
* The coordinates that this view appear at, relative to the output they
* are located on (output containers have absolute coordinates).
*/
double x, y;
/**
* Width and height of this container, without borders or gaps.
*/
double width, height;
list_t *children;
/**
* The parent of this container. NULL for the root container.
*/
struct sway_container *parent;
/**
* Number of master views in auto layouts.
*/
size_t nb_master;
/**
* Number of slave groups (e.g. columns) in auto layouts.
*/
size_t nb_slave_groups;
/**
* Marks applied to the container, list_t of char*.
*/
list_t *marks;
struct {
struct wl_signal destroy;
} events;
};
void swayc_descendants_of_type(swayc_t *root, enum swayc_types type,
void (*func)(swayc_t *item, void *data), void *data);
swayc_t *new_output(struct sway_output *sway_output);
swayc_t *new_workspace(swayc_t *output, const char *name);
swayc_t *new_view(swayc_t *sibling, struct sway_view *sway_view);
swayc_t *destroy_output(swayc_t *output);
swayc_t *destroy_view(swayc_t *view);
swayc_t *next_view_sibling(struct sway_seat *seat);
/**
* Finds a container based on test criteria. Returns the first container that
* passes the test.
*/
swayc_t *swayc_by_test(swayc_t *container,
bool (*test)(swayc_t *view, void *data), void *data);
/**
* Finds a parent container with the given swayc_type.
*/
swayc_t *swayc_parent_by_type(swayc_t *container, enum swayc_types type);
/**
* Maps a container's children over a function.
*/
void container_map(swayc_t *container,
void (*f)(swayc_t *view, void *data), void *data);
swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy);
/**
* Apply the function for each child of the container breadth first.
*/
void container_for_each_bfs(swayc_t *con, void (*f)(swayc_t *con, void *data),
void *data);
swayc_t *swayc_change_layout(swayc_t *container, enum swayc_layouts layout);
#endif