77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* © 2009 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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* ewmh.c: Functions to get/set certain EWMH properties easily.
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*
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include "data.h"
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#include "table.h"
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#include "i3.h"
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#include "xcb.h"
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#include "util.h"
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#include "log.h"
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/*
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* Updates _NET_CURRENT_DESKTOP with the current desktop number.
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*
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* EWMH: The index of the current desktop. This is always an integer between 0
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* and _NET_NUMBER_OF_DESKTOPS - 1.
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*
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*/
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void ewmh_update_current_desktop() {
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uint32_t current_desktop = c_ws->num;
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xcb_change_property(global_conn, XCB_PROP_MODE_REPLACE, root,
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atoms[_NET_CURRENT_DESKTOP], CARDINAL, 32, 1,
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¤t_desktop);
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}
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/*
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* Updates _NET_ACTIVE_WINDOW with the currently focused window.
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*
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* EWMH: The window ID of the currently active window or None if no window has
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* the focus.
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*
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*/
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void ewmh_update_active_window(xcb_window_t window) {
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xcb_change_property(global_conn, XCB_PROP_MODE_REPLACE, root,
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atoms[_NET_ACTIVE_WINDOW], WINDOW, 32, 1, &window);
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}
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/*
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* Updates the workarea for each desktop.
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*
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* EWMH: Contains a geometry for each desktop. These geometries specify an area
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* that is completely contained within the viewport. Work area SHOULD be used by
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* desktop applications to place desktop icons appropriately.
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*
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*/
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void ewmh_update_workarea() {
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Workspace *ws;
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int num_workspaces = 0, count = 0;
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/* Get the number of workspaces */
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TAILQ_FOREACH(ws, workspaces, workspaces)
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num_workspaces++;
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DLOG("Got %d workspaces\n", num_workspaces);
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uint8_t *workarea = smalloc(sizeof(Rect) * num_workspaces);
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TAILQ_FOREACH(ws, workspaces, workspaces) {
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DLOG("storing %d: %dx%d with %d x %d\n", count, ws->rect.x, ws->rect.y, ws->rect.width, ws->rect.height);
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memcpy(workarea + (sizeof(Rect) * count++), &(ws->rect), sizeof(Rect));
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}
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xcb_change_property(global_conn, XCB_PROP_MODE_REPLACE, root,
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atoms[_NET_WORKAREA], CARDINAL, 32,
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num_workspaces * (sizeof(Rect) / sizeof(uint32_t)),
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workarea);
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free(workarea);
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xcb_flush(global_conn);
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}
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