i3/include/workspace.h

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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* workspace.c: Modifying workspaces, accessing them, moving containers to
* workspaces.
*
*/
#pragma once
#include "data.h"
#include "tree.h"
#include "randr.h"
/* We use NET_WM_DESKTOP_NONE for cases where we cannot determine the EWMH
* desktop index for a window. We cannot use a negative value like -1 since we
* need to use uint32_t as we actually need the full range of it. This is
* technically dangerous, but it's safe to assume that we will never have more
* than 4294967279 workspaces open at a time. */
#define NET_WM_DESKTOP_NONE 0xFFFFFFF0
#define NET_WM_DESKTOP_ALL 0xFFFFFFFF
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/**
* Returns a pointer to the workspace with the given number (starting at 0),
* creating the workspace if necessary (by allocating the necessary amount of
* memory and initializing the data structures correctly).
*
* If created is not NULL, *created will be set to whether or not the
* workspace has just been created.
*
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*/
Con *workspace_get(const char *num, bool *created);
/**
* Extracts workspace names from keybindings (e.g. web from bindsym $mod+1
* workspace web), so that when an output needs a workspace, i3 can start with
* the first configured one. Needs to be called before reorder_bindings() so
* that the config-file order is used, not the i3-internal order.
*
*/
void extract_workspace_names_from_bindings(void);
/**
* Returns a pointer to a new workspace in the given output. The workspace
* is created attached to the tree hierarchy through the given content
* container.
*
*/
Con *create_workspace_on_output(Output *output, Con *content);
#if 0
/**
* Sets the name (or just its number) for the given workspace. This has to
* be called for every workspace as the rendering function
* (render_internal_bar) relies on workspace->name and workspace->name_len
* being ready-to-use.
*
*/
void workspace_set_name(Workspace *ws, const char *name);
#endif
/**
* Returns true if the workspace is currently visible. Especially important for
* multi-monitor environments, as they can have multiple currenlty active
* workspaces.
*
*/
bool workspace_is_visible(Con *ws);
/**
* Switches to the given workspace
*
*/
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void workspace_show(Con *ws);
/**
* Looks up the workspace by name and switches to it.
*
*/
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void workspace_show_by_name(const char *num);
/**
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* Returns the next workspace.
*
*/
Con *workspace_next(void);
/**
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* Returns the previous workspace.
*
*/
Con *workspace_prev(void);
/**
* Returns the next workspace on the same output
*
*/
Con *workspace_next_on_output(void);
/**
* Returns the previous workspace on the same output
*
*/
Con *workspace_prev_on_output(void);
/**
* Focuses the previously focused workspace.
*
*/
void workspace_back_and_forth(void);
/**
* Returns the previously focused workspace con, or NULL if unavailable.
*
*/
Con *workspace_back_and_forth_get(void);
#if 0
/**
* Assigns the given workspace to the given screen by correctly updating its
* state and reconfiguring all the clients on this workspace.
*
* This is called when initializing a screen and when re-assigning it to a
* different screen which just got available (if you configured it to be on
* screen 1 and you just plugged in screen 1).
*
*/
void workspace_assign_to(Workspace *ws, Output *screen, bool hide_it);
/**
* Initializes the given workspace if it is not already initialized. The given
* screen is to be understood as a fallback, if the workspace itself either
* was not assigned to a particular screen or cannot be placed there because
* the screen is not attached at the moment.
*
*/
void workspace_initialize(Workspace *ws, Output *screen, bool recheck);
/**
* Gets the first unused workspace for the given screen, taking into account
* the preferred_screen setting of every workspace (workspace assignments).
*
*/
Workspace *get_first_workspace_for_output(Output *screen);
/**
* Unmaps all clients (and stack windows) of the given workspace.
*
* This needs to be called separately when temporarily rendering a workspace
* which is not the active workspace to force reconfiguration of all clients,
* like in src/xinerama.c when re-assigning a workspace to another screen.
*
*/
void workspace_unmap_clients(xcb_connection_t *conn, Workspace *u_ws);
/**
* Maps all clients (and stack windows) of the given workspace.
*
*/
void workspace_map_clients(xcb_connection_t *conn, Workspace *ws);
#endif
/**
* Goes through all clients on the given workspace and updates the workspaces
* urgent flag accordingly.
*
*/
void workspace_update_urgent_flag(Con *ws);
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/**
* 'Forces' workspace orientation by moving all cons into a new split-con with
* the same orientation as the workspace and then changing the workspace
* orientation.
*
*/
void ws_force_orientation(Con *ws, orientation_t orientation);
/**
* Called when a new con (with a window, not an empty or split con) should be
* attached to the workspace (for example when managing a new window or when
* moving an existing window to the workspace level).
*
* Depending on the workspace_layout setting, this function either returns the
* workspace itself (default layout) or creates a new stacked/tabbed con and
* returns that.
*
*/
Con *workspace_attach_to(Con *ws);
/**
* Creates a new container and re-parents all of children from the given
* workspace into it.
*
* The container inherits the layout from the workspace.
*/
Con *workspace_encapsulate(Con *ws);
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/**
* Move the given workspace to the specified output.
* This returns true if and only if moving the workspace was successful.
*
*/
bool workspace_move_to_output(Con *ws, const char *output);