137 lines
3.7 KiB
C
137 lines
3.7 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 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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#pragma once
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#include <config.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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typedef enum {
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CLOSEST_OUTPUT = 0,
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FARTHEST_OUTPUT = 1
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} output_close_far_t;
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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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* 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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* Disables the output and moves its content.
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*
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*/
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void randr_disable_output(Output *output);
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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(unsigned int x, unsigned int y);
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/**
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* Returns the active output which spans exactly the area specified by
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* rect or NULL if there is no output like this.
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*
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*/
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Output *get_output_with_dimensions(Rect rect);
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/*
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* In contained_by_output, we check if any active output contains part of the container.
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* We do this by checking if the output rect is intersected by the Rect.
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* This is the 2-dimensional counterpart of get_output_containing.
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* Since we don't actually need the outputs intersected by the given Rect (There could
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* be many), we just return true or false for convenience.
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*
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*/
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bool contained_by_output(Rect rect);
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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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* If close_far == CLOSEST_OUTPUT, then the output next to the current one will
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* selected. If close_far == FARTHEST_OUTPUT, the output which is the last one
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* in the given direction will be selected.
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*
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* NULL will be returned when no active outputs are present in the direction
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* specified (note that ‘current’ counts as such an output).
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*
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*/
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Output *get_output_next(direction_t direction, Output *current, output_close_far_t close_far);
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/**
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* Like get_output_next with close_far == CLOSEST_OUTPUT, but wraps.
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*
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* For example if get_output_next(D_DOWN, x, FARTHEST_OUTPUT) = NULL, then
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* get_output_next_wrap(D_DOWN, x) will return the topmost output.
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*
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* This function always returns a output: if no active outputs can be found,
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* current itself is returned.
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*
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*/
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Output *get_output_next_wrap(direction_t direction, Output *current);
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/*
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* Creates an output covering the root window.
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*
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*/
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Output *create_root_output(xcb_connection_t *conn);
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