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ewmh: correctly set _NET_CURRENT_DESKTOP to the number of the active workspace
[i3/i3] / src / ewmh.c
1 /*
2  * vim:ts=8:expandtab
3  *
4  * i3 - an improved dynamic tiling window manager
5  *
6  * © 2009 Michael Stapelberg and contributors
7  *
8  * See file LICENSE for license information.
9  *
10  * ewmh.c: Functions to get/set certain EWMH properties easily.
11  *
12  */
13 #include <stdint.h>
14
15 #include "data.h"
16 #include "table.h"
17 #include "i3.h"
18 #include "xcb.h"
19
20 /*
21  * Updates _NET_CURRENT_DESKTOP with the current desktop number.
22  *
23  * EWMH: The index of the current desktop. This is always an integer between 0
24  * and _NET_NUMBER_OF_DESKTOPS - 1.
25  *
26  */
27 void ewmh_update_current_desktop() {
28         uint32_t current_desktop = c_ws->num;
29         xcb_change_property(global_conn, XCB_PROP_MODE_REPLACE, root,
30                             atoms[_NET_CURRENT_DESKTOP], CARDINAL, 32, 1,
31                             &current_desktop);
32 }