gri3-wm/include/randr.h

102 lines
2.5 KiB
C

/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
* For more information on RandR, please see the X.org RandR specification at
* http://cgit.freedesktop.org/xorg/proto/randrproto/tree/randrproto.txt
* (take your time to read it completely, it answers all questions).
*
*/
#ifndef _RANDR_H
#define _RANDR_H
#include "data.h"
#include <xcb/randr.h>
TAILQ_HEAD(outputs_head, xoutput);
extern struct outputs_head outputs;
/**
* We have just established a connection to the X server and need the initial
* XRandR information to setup workspaces for each screen.
*
*/
void randr_init(int *event_base);
/**
* Disables RandR support by creating exactly one output with the size of the
* X11 screen.
*
*/
void disable_randr(xcb_connection_t *conn);
/**
* Initializes a CT_OUTPUT Con (searches existing ones from inplace restart
* before) to use for the given Output.
*
*/
void output_init_con(Output *output);
/**
* Initializes at least one workspace for this output, trying the following
* steps until there is at least one workspace:
*
* • Move existing workspaces, which are assigned to be on the given output, to
* the output.
* • Create the first assigned workspace for this output.
* • Create the first unused workspace.
*
*/
void init_ws_for_output(Output *output, Con *content);
/**
* Initializes the specified output, assigning the specified workspace to it.
*
*/
//void initialize_output(xcb_connection_t *conn, Output *output, Workspace *workspace);
/**
* (Re-)queries the outputs via RandR and stores them in the list of outputs.
*
*/
void randr_query_outputs(void);
/**
* Returns the first output which is active.
*
*/
Output *get_first_output(void);
/**
* Returns the output with the given name if it is active (!) or NULL.
*
*/
Output *get_output_by_name(const char *name);
/**
* Returns the active (!) output which contains the coordinates x, y or NULL
* if there is no output which contains these coordinates.
*
*/
Output *get_output_containing(int x, int y);
/**
* Gets the output which is the last one in the given direction, for example
* the output on the most bottom when direction == D_DOWN, the output most
* right when direction == D_RIGHT and so on.
*
* This function always returns a output.
*
*/
Output *get_output_most(direction_t direction, Output *current);
/**
* Gets the output which is the next one in the given direction.
*
*/
Output *get_output_next(direction_t direction, Output *current);
#endif