swayfx/include/sway/tree/container.h

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#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"
extern struct sway_container root_container;
struct sway_view;
struct sway_seat;
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#define TITLEBAR_BORDER_THICKNESS 1
// Padding includes titlebar border
#define TITLEBAR_H_PADDING 3
#define TITLEBAR_V_PADDING 4
/**
* Different kinds of containers.
*
* This enum is in order. A container will never be inside of a container below
* it on this list.
*/
enum sway_container_type {
C_ROOT,
C_OUTPUT,
C_WORKSPACE,
C_CONTAINER,
C_VIEW,
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// Keep last
C_TYPES,
};
enum sway_container_layout {
L_NONE,
L_HORIZ,
L_VERT,
L_STACKED,
L_TABBED,
L_FLOATING,
};
enum sway_container_border {
B_NONE,
B_PIXEL,
B_NORMAL,
};
struct sway_root;
struct sway_output;
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struct sway_workspace;
struct sway_view;
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struct sway_container_state {
// Container/swayc properties
enum sway_container_layout layout;
double swayc_x, swayc_y;
double swayc_width, swayc_height;
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bool is_fullscreen;
bool has_gaps;
double current_gaps;
double gaps_inner;
double gaps_outer;
struct sway_container *parent;
list_t *children;
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struct sway_container *focused_inactive_child;
bool focused;
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// View properties
double view_x, view_y;
double view_width, view_height;
enum sway_container_border border;
int border_thickness;
bool border_top;
bool border_bottom;
bool border_left;
bool border_right;
bool using_csd;
// Workspace properties
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struct sway_container *ws_fullscreen;
struct sway_container *ws_floating;
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};
struct sway_container {
union {
// TODO: Encapsulate state for other node types as well like C_CONTAINER
struct sway_root *sway_root;
struct sway_output *sway_output;
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struct sway_workspace *sway_workspace;
struct sway_view *sway_view;
};
/**
* A unique ID to identify this container. Primarily used in the
* get_tree JSON output.
*/
size_t id;
// The pending state is the main container properties, and the current state is in the below struct.
// This means most places of the code can refer to the main variables (pending state) and it'll just work.
struct sway_container_state current;
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char *name; // The view's title (unformatted)
char *formatted_title; // The title displayed in the title bar
enum sway_container_type type;
enum sway_container_layout layout;
enum sway_container_layout prev_split_layout;
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bool is_sticky;
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// For C_ROOT, this has no meaning
// For other types, this is the position in layout coordinates
// Includes borders
double x, y;
double width, height;
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double saved_x, saved_y;
double saved_width, saved_height;
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bool is_fullscreen;
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// The gaps currently applied to the container.
double current_gaps;
bool has_gaps;
double gaps_inner;
double gaps_outer;
list_t *children;
struct sway_container *parent;
// Indicates that the container is a scratchpad container.
// Both hidden and visible scratchpad containers have scratchpad=true.
// Hidden scratchpad containers have a NULL parent.
bool scratchpad;
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float alpha;
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struct wlr_texture *title_focused;
struct wlr_texture *title_focused_inactive;
struct wlr_texture *title_unfocused;
struct wlr_texture *title_urgent;
size_t title_height;
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// The number of transactions which reference this container.
size_t ntxnrefs;
// If this container is a view and is waiting for the client to respond to a
// configure then this will be populated, otherwise NULL.
struct sway_transaction_instruction *instruction;
bool destroying;
// If true, indicates that the container has pending state that differs from
// the current.
bool dirty;
struct {
struct wl_signal destroy;
// Raised after the tree updates, but before arrange_windows
// Passed the previous parent
struct wl_signal reparent;
} events;
struct wl_listener reparent;
};
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struct sway_container *container_create(enum sway_container_type type);
const char *container_type_to_str(enum sway_container_type type);
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struct sway_container *output_create(struct sway_output *sway_output);
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/**
* Create a new container container. A container container can be a a child of
* a workspace container or another container container.
*/
struct sway_container *container_container_create();
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/**
* Create a new output. Outputs are children of the root container and have no
* order in the tree structure.
*/
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struct sway_container *output_create(struct sway_output *sway_output);
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/**
* Create a new workspace container. Workspaces are children of an output
* container and are ordered alphabetically by name.
*/
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struct sway_container *workspace_create(struct sway_container *output,
const char *name);
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/*
* Create a new view container. A view can be a child of a workspace container
* or a container container and are rendered in the order and structure of
* how they are attached to the tree.
*/
struct sway_container *container_view_create(
struct sway_container *sibling, struct sway_view *sway_view);
void container_free(struct sway_container *cont);
struct sway_container *container_destroy(struct sway_container *container);
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struct sway_container *container_close(struct sway_container *container);
void container_descendants(struct sway_container *root,
enum sway_container_type type,
void (*func)(struct sway_container *item, void *data), void *data);
/**
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* Search a container's descendants a container based on test criteria. Returns
* the first container that passes the test.
*/
struct sway_container *container_find(struct sway_container *container,
bool (*test)(struct sway_container *view, void *data), void *data);
/**
* Finds a parent container with the given struct sway_containerype.
*/
struct sway_container *container_parent(struct sway_container *container,
enum sway_container_type type);
/**
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* Find a container at the given coordinates. Returns the the surface and
* surface-local coordinates of the given layout coordinates if the container
* is a view and the view contains a surface at those coordinates.
*/
struct sway_container *container_at(struct sway_container *workspace,
double lx, double ly, struct wlr_surface **surface,
double *sx, double *sy);
struct sway_container *tiling_container_at(
struct sway_container *con, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy);
/**
* Apply the function for each child of the container depth first.
*/
void container_for_each_descendant(struct sway_container *container,
void (*f)(struct sway_container *container, void *data), void *data);
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/**
* Returns true if the given container is an ancestor of this container.
*/
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bool container_has_ancestor(struct sway_container *container,
struct sway_container *ancestor);
int container_count_descendants_of_type(struct sway_container *con,
enum sway_container_type type);
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void container_create_notify(struct sway_container *container);
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void container_update_textures_recursive(struct sway_container *con);
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void container_damage_whole(struct sway_container *container);
bool container_reap_empty(struct sway_container *con);
struct sway_container *container_reap_empty_recursive(
struct sway_container *con);
struct sway_container *container_flatten(struct sway_container *container);
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void container_update_title_textures(struct sway_container *container);
/**
* Calculate the container's title_height property.
*/
void container_calculate_title_height(struct sway_container *container);
/**
* Notify a container that a tree modification has changed in its children,
* so the container can update its tree representation.
*/
void container_notify_subtree_changed(struct sway_container *container);
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/**
* Return the height of a regular title bar.
*/
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size_t container_titlebar_height(void);
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/**
* Resize and center the container in its workspace.
*/
void container_init_floating(struct sway_container *container);
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void container_set_floating(struct sway_container *container, bool enable);
void container_set_geometry_from_floating_view(struct sway_container *con);
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/**
* Determine if the given container is itself floating.
* This will return false for any descendants of a floating container.
*/
bool container_is_floating(struct sway_container *container);
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/**
* Get a container's box in layout coordinates.
*/
void container_get_box(struct sway_container *container, struct wlr_box *box);
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/**
* Move a floating container by the specified amount.
*/
void container_floating_translate(struct sway_container *con,
double x_amount, double y_amount);
/**
* Choose an output for the floating container's new position.
*/
struct sway_container *container_floating_find_output(
struct sway_container *con);
/**
* Move a floating container to a new layout-local position.
*/
void container_floating_move_to(struct sway_container *con,
double lx, double ly);
/**
* Move a floating container to the center of the workspace.
*/
void container_floating_move_to_center(struct sway_container *con);
/**
* Mark a container as dirty if it isn't already. Dirty containers will be
* included in the next transaction then unmarked as dirty.
*/
void container_set_dirty(struct sway_container *container);
bool container_has_urgent_child(struct sway_container *container);
/**
* If the container is involved in a drag or resize operation via a mouse, this
* ends the operation.
*/
void container_end_mouse_operation(struct sway_container *container);
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void container_set_fullscreen(struct sway_container *container, bool enable);
/**
* Return true if the container is floating, or a child of a floating split
* container.
*/
bool container_is_floating_or_child(struct sway_container *container);
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/**
* Return true if the container is fullscreen, or a child of a fullscreen split
* container.
*/
bool container_is_fullscreen_or_child(struct sway_container *container);
/**
* Wrap the children of parent in a new container. The new container will be the
* only child of parent.
*
* The new container is returned.
*/
struct sway_container *container_wrap_children(struct sway_container *parent);
#endif