206b96202c
See also:
http://article.gmane.org/gmane.linux.kernel/1268792
The C compiler will handle (void) as "no arguments" and () as "variadic
function" (equivalent to (...)) which might lead to subtle errors, such
as the one which was fixed with commit 0ea64ae4.
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* For more information on RandR, please see the X.org RandR specification at
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* http://cgit.freedesktop.org/xorg/proto/randrproto/tree/randrproto.txt
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* (take your time to read it completely, it answers all questions).
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*
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*/
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#ifndef _RANDR_H
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#define _RANDR_H
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#include "data.h"
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#include <xcb/randr.h>
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TAILQ_HEAD(outputs_head, xoutput);
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extern struct outputs_head outputs;
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/**
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* We have just established a connection to the X server and need the initial
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* XRandR information to setup workspaces for each screen.
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*
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*/
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void randr_init(int *event_base);
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/**
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* Disables RandR support by creating exactly one output with the size of the
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* X11 screen.
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*
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*/
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void disable_randr(xcb_connection_t *conn);
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/**
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* Initializes a CT_OUTPUT Con (searches existing ones from inplace restart
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* before) to use for the given Output.
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*
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*/
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void output_init_con(Output *output);
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/**
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* Initializes at least one workspace for this output, trying the following
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* steps until there is at least one workspace:
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*
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* • Move existing workspaces, which are assigned to be on the given output, to
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* the output.
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* • Create the first assigned workspace for this output.
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* • Create the first unused workspace.
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*
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*/
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void init_ws_for_output(Output *output, Con *content);
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/**
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* Initializes the specified output, assigning the specified workspace to it.
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*
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*/
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//void initialize_output(xcb_connection_t *conn, Output *output, Workspace *workspace);
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/**
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* (Re-)queries the outputs via RandR and stores them in the list of outputs.
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*
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*/
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void randr_query_outputs(void);
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/**
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* Returns the first output which is active.
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*
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*/
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Output *get_first_output(void);
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/**
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* Returns the output with the given name if it is active (!) or NULL.
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*
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*/
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Output *get_output_by_name(const char *name);
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/**
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* Returns the active (!) output which contains the coordinates x, y or NULL
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* if there is no output which contains these coordinates.
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*
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*/
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Output *get_output_containing(int x, int y);
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/**
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* Gets the output which is the last one in the given direction, for example
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* the output on the most bottom when direction == D_DOWN, the output most
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* right when direction == D_RIGHT and so on.
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*
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* This function always returns a output.
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*
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*/
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Output *get_output_most(direction_t direction, Output *current);
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/**
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* Gets the output which is the next one in the given direction.
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*
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*/
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Output *get_output_next(direction_t direction, Output *current);
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#endif
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