gri3-wm/include/ewmh.h

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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
* ewmh.c: Get/set certain EWMH properties easily.
*
*/
#pragma once
/**
* Updates _NET_CURRENT_DESKTOP with the current desktop number.
*
* EWMH: The index of the current desktop. This is always an integer between 0
* and _NET_NUMBER_OF_DESKTOPS - 1.
*
*/
void ewmh_update_current_desktop(void);
/**
* Updates _NET_NUMBER_OF_DESKTOPS which we interpret as the number of
* noninternal workspaces.
*/
void ewmh_update_number_of_desktops(void);
/**
* Updates _NET_DESKTOP_VIEWPORT, which is an array of pairs of cardinals that
* define the top left corner of each desktop's viewport.
*/
void ewmh_update_desktop_viewport(void);
/**
* Updates _NET_ACTIVE_WINDOW with the currently focused window.
*
* EWMH: The window ID of the currently active window or None if no window has
* the focus.
*
*/
void ewmh_update_active_window(xcb_window_t window);
/**
* Updates the _NET_CLIENT_LIST hint. Used for window listers.
*/
void ewmh_update_client_list(xcb_window_t *list, int num_windows);
/**
* Updates the _NET_CLIENT_LIST_STACKING hint. Necessary to move tabs in
* Chromium correctly.
*
* EWMH: These arrays contain all X Windows managed by the Window Manager.
* _NET_CLIENT_LIST has initial mapping order, starting with the oldest window.
* _NET_CLIENT_LIST_STACKING has bottom-to-top stacking order. These properties
* SHOULD be set and updated by the Window Manager.
*
*/
void ewmh_update_client_list_stacking(xcb_window_t *stack, int num_windows);
/**
* Set up the EWMH hints on the root window.
*
*/
void ewmh_setup_hints(void);
/**
* i3 currently does not support _NET_WORKAREA, because it does not correspond
* to i3s concept of workspaces. See also:
* http://bugs.i3wm.org/539
* http://bugs.i3wm.org/301
* http://bugs.i3wm.org/1038
*
* We need to actively delete this property because some display managers (e.g.
* LightDM) set it.
*
* EWMH: Contains a geometry for each desktop. These geometries specify an area
* that is completely contained within the viewport. Work area SHOULD be used by
* desktop applications to place desktop icons appropriately.
*
*/
void ewmh_update_workarea(void);