/** The _NET_WM_WINDOW_TYPE for this window. */
xcb_atom_t window_type;
+ /** The _NET_WM_DESKTOP for this window. */
+ uint32_t wm_desktop;
+
/** Whether the window says it is a dock window */
enum { W_NODOCK = 0,
W_DOCK_TOP = 1,
*/
void ewmh_update_desktop_viewport(void);
+/**
+ * Updates _NET_WM_DESKTOP for all windows.
+ * A request will only be made if the cached value differs from the calculated value.
+ *
+ */
+void ewmh_update_wm_desktop(void);
+
/**
* Updates _NET_ACTIVE_WINDOW with the currently focused window.
*
*
*/
void ewmh_update_workarea(void);
+
+/**
+ * Returns the workspace container as enumerated by the EWMH desktop model.
+ * Returns NULL if no workspace could be found for the index.
+ *
+ * This is the reverse of ewmh_get_workspace_index.
+ *
+ */
+Con *ewmh_get_workspace_by_index(uint32_t idx);
+
+/**
+ * Returns the EWMH desktop index for the workspace the given container is on.
+ * Returns NET_WM_DESKTOP_NONE if the desktop index cannot be determined.
+ *
+ * This is the reverse of ewmh_get_workspace_by_index.
+ *
+ */
+uint32_t ewmh_get_workspace_index(Con *con);
#include "tree.h"
#include "randr.h"
+/* We use NET_WM_DESKTOP_NONE for cases where we cannot determine the EWMH
+ * desktop index for a window. We cannot use a negative value like -1 since we
+ * need to use uint32_t as we actually need the full range of it. This is
+ * technically dangerous, but it's safe to assume that we will never have more
+ * than 4294967279 workspaces open at a time. */
+#define NET_WM_DESKTOP_NONE 0xFFFFFFF0
+#define NET_WM_DESKTOP_ALL 0xFFFFFFFF
+
/**
* Returns a pointer to the workspace with the given number (starting at 0),
* creating the workspace if necessary (by allocating the necessary amount of
* sure it gets pushed to the front now. */
output_push_sticky_windows(focused);
+ ewmh_update_wm_desktop();
+
cmd_output->needs_tree_render = true;
ysuccess(true);
}
CALL(parent, on_remove_child);
ipc_send_window_event("move", con);
+ ewmh_update_wm_desktop();
return true;
}
*
*/
void ewmh_update_current_desktop(void) {
- Con *focused_ws = con_get_workspace(focused);
- Con *output;
- uint32_t idx = 0;
- /* We count to get the index of this workspace because named workspaces
- * don’t have the ->num property */
- TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
- Con *ws;
- TAILQ_FOREACH(ws, &(output_get_content(output)->nodes_head), nodes) {
- if (STARTS_WITH(ws->name, "__"))
- continue;
-
- if (ws == focused_ws) {
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
- A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
- return;
- }
- ++idx;
- }
+ const uint32_t idx = ewmh_get_workspace_index(focused);
+ if (idx != NET_WM_DESKTOP_NONE) {
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
}
}
A__NET_DESKTOP_VIEWPORT, XCB_ATOM_CARDINAL, 32, current_position, &viewports);
}
+static void ewmh_update_wm_desktop_recursively(Con *con, const uint32_t desktop) {
+ /* Recursively call this to descend through the entire subtree. */
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ ewmh_update_wm_desktop_recursively(child, desktop);
+ }
+ /* If con is a workspace, we also need to go through the floating windows on it. */
+ if (con->type == CT_WORKSPACE) {
+ TAILQ_FOREACH(child, &(con->floating_head), floating_windows) {
+ ewmh_update_wm_desktop_recursively(child, desktop);
+ }
+ }
+
+ if (!con_has_managed_window(con))
+ return;
+
+ const xcb_window_t window = con->window->id;
+
+ uint32_t wm_desktop = desktop;
+ /* Sticky windows are only actually sticky when they are floating or inside
+ * a floating container. This is technically still slightly wrong, since
+ * sticky windows will only be on all workspaces on this output, but we
+ * ignore multi-monitor situations for this since the spec isn't too
+ * precise on this anyway. */
+ if (con_is_sticky(con) && con_is_floating(con)) {
+ wm_desktop = NET_WM_DESKTOP_ALL;
+ }
+
+ /* If this is the cached value, we don't need to do anything. */
+ if (con->window->wm_desktop == wm_desktop)
+ return;
+ con->window->wm_desktop = wm_desktop;
+
+ if (wm_desktop != NET_WM_DESKTOP_NONE) {
+ DLOG("Setting _NET_WM_DESKTOP = %d for window 0x%08x.\n", wm_desktop, window);
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, window, A__NET_WM_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &wm_desktop);
+ } else {
+ /* If we can't determine the workspace index, delete the property. We'd
+ * rather not set it than lie. */
+ ELOG("Failed to determine the proper EWMH desktop index for window 0x%08x, deleting _NET_WM_DESKTOP.\n", window);
+ xcb_delete_property(conn, window, A__NET_WM_DESKTOP);
+ }
+}
+
+/*
+ * Updates _NET_WM_DESKTOP for all windows.
+ * A request will only be made if the cached value differs from the calculated value.
+ *
+ */
+void ewmh_update_wm_desktop(void) {
+ uint32_t desktop = 0;
+
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *workspace;
+ TAILQ_FOREACH(workspace, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(workspace))
+ continue;
+
+ ewmh_update_wm_desktop_recursively(workspace, desktop);
+ ++desktop;
+ }
+ }
+}
+
/*
* Updates _NET_ACTIVE_WINDOW with the currently focused window.
*
xcb_map_window(conn, ewmh_window);
xcb_configure_window(conn, ewmh_window, XCB_CONFIG_WINDOW_STACK_MODE, (uint32_t[]){XCB_STACK_MODE_BELOW});
}
+
+/*
+ * Returns the workspace container as enumerated by the EWMH desktop model.
+ * Returns NULL if no workspace could be found for the index.
+ *
+ * This is the reverse of ewmh_get_workspace_index.
+ *
+ */
+Con *ewmh_get_workspace_by_index(uint32_t idx) {
+ if (idx == NET_WM_DESKTOP_NONE)
+ return NULL;
+
+ uint32_t current_index = 0;
+
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *workspace;
+ TAILQ_FOREACH(workspace, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(workspace))
+ continue;
+
+ if (current_index == idx)
+ return workspace;
+
+ ++current_index;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ * Returns the EWMH desktop index for the workspace the given container is on.
+ * Returns NET_WM_DESKTOP_NONE if the desktop index cannot be determined.
+ *
+ * This is the reverse of ewmh_get_workspace_by_index.
+ *
+ */
+uint32_t ewmh_get_workspace_index(Con *con) {
+ uint32_t index = 0;
+
+ Con *workspace = con_get_workspace(con);
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *current;
+ TAILQ_FOREACH(current, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(current))
+ continue;
+
+ if (current == workspace)
+ return index;
+
+ ++index;
+ }
+ }
+
+ return NET_WM_DESKTOP_NONE;
+}
goto ignore_end;
}
+ /* Since we close the container, we need to unset _NET_WM_DESKTOP according to the spec. */
+ xcb_delete_property(conn, event->window, A__NET_WM_DESKTOP);
+
tree_close_internal(con, DONT_KILL_WINDOW, false, false);
tree_render();
con->sticky = !con->sticky;
DLOG("New sticky status for con = %p is %i.\n", con, con->sticky);
+ ewmh_update_sticky(con->window->id, con->sticky);
output_push_sticky_windows(focused);
+ ewmh_update_wm_desktop();
}
tree_render();
* a request to focus the given workspace. See
* http://standards.freedesktop.org/wm-spec/latest/ar01s03.html#idm140251368135008
* */
- Con *output;
- uint32_t idx = 0;
DLOG("Request to change current desktop to index %d\n", event->data.data32[0]);
+ Con *ws = ewmh_get_workspace_by_index(event->data.data32[0]);
+ if (ws == NULL) {
+ ELOG("Could not determine workspace for this index, ignoring request.\n");
+ return;
+ }
- TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
- Con *ws;
- TAILQ_FOREACH(ws, &(output_get_content(output)->nodes_head), nodes) {
- if (STARTS_WITH(ws->name, "__"))
- continue;
-
- if (idx == event->data.data32[0]) {
- /* data32[1] is a timestamp used to prevent focus race conditions */
- if (event->data.data32[1])
- last_timestamp = event->data.data32[1];
+ DLOG("Handling request to focus workspace %s\n", ws->name);
+ workspace_show(ws);
+ tree_render();
+ } else if (event->type == A__NET_WM_DESKTOP) {
+ uint32_t index = event->data.data32[0];
+ DLOG("Request to move window %d to EWMH desktop index %d\n", event->window, index);
- DLOG("Handling request to focus workspace %s\n", ws->name);
+ Con *con = con_by_window_id(event->window);
+ if (con == NULL) {
+ DLOG("Couldn't find con for window %d, ignoring the request.\n", event->window);
+ return;
+ }
- workspace_show(ws);
- tree_render();
+ if (index == NET_WM_DESKTOP_ALL) {
+ /* The window is requesting to be visible on all workspaces, so
+ * let's float it and make it sticky. */
+ DLOG("The window was requested to be visible on all workspaces, making it sticky and floating.\n");
- return;
- }
+ floating_enable(con, false);
- ++idx;
+ con->sticky = true;
+ ewmh_update_sticky(con->window->id, true);
+ output_push_sticky_windows(focused);
+ } else {
+ Con *ws = ewmh_get_workspace_by_index(index);
+ if (ws == NULL) {
+ ELOG("Could not determine workspace for this index, ignoring request.\n");
+ return;
}
+
+ con_move_to_workspace(con, ws, false, false, true);
}
+
+ tree_render();
+ ewmh_update_wm_desktop();
} else if (event->type == A__NET_CLOSE_WINDOW) {
/*
* Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW
break;
}
} else {
- DLOG("unhandled clientmessage\n");
- return;
+ DLOG("Skipping client message for unhandled type %d\n", event->type);
}
}
utf8_title_cookie, title_cookie,
class_cookie, leader_cookie, transient_cookie,
role_cookie, startup_id_cookie, wm_hints_cookie,
- wm_normal_hints_cookie, motif_wm_hints_cookie, wm_user_time_cookie;
+ wm_normal_hints_cookie, motif_wm_hints_cookie, wm_user_time_cookie, wm_desktop_cookie;
geomc = xcb_get_geometry(conn, d);
wm_normal_hints_cookie = xcb_icccm_get_wm_normal_hints(conn, window);
motif_wm_hints_cookie = GET_PROPERTY(A__MOTIF_WM_HINTS, 5 * sizeof(uint64_t));
wm_user_time_cookie = GET_PROPERTY(A__NET_WM_USER_TIME, UINT32_MAX);
+ wm_desktop_cookie = GET_PROPERTY(A__NET_WM_DESKTOP, UINT32_MAX);
DLOG("Managing window 0x%08x\n", window);
char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
DLOG("startup workspace = %s\n", startup_ws);
+ /* Get _NET_WM_DESKTOP if it was set. */
+ xcb_get_property_reply_t *wm_desktop_reply;
+ wm_desktop_reply = xcb_get_property_reply(conn, wm_desktop_cookie, NULL);
+ cwindow->wm_desktop = NET_WM_DESKTOP_NONE;
+ if (wm_desktop_reply != NULL && xcb_get_property_value_length(wm_desktop_reply) != 0) {
+ uint32_t *wm_desktops = xcb_get_property_value(wm_desktop_reply);
+ cwindow->wm_desktop = (int32_t)wm_desktops[0];
+ }
+ FREE(wm_desktop_reply);
+
/* check if the window needs WM_TAKE_FOCUS */
cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
nc = con_for_window(search_at, cwindow, &match);
const bool match_from_restart_mode = (match && match->restart_mode);
if (nc == NULL) {
+ Con *wm_desktop_ws = NULL;
+
/* If not, check if it is assigned to a specific workspace */
if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE))) {
DLOG("Assignment matches (%p)\n", match);
/* set the urgency hint on the window if the workspace is not visible */
if (!workspace_is_visible(assigned_ws))
urgency_hint = true;
+ } else if (cwindow->wm_desktop != NET_WM_DESKTOP_NONE &&
+ cwindow->wm_desktop != NET_WM_DESKTOP_ALL &&
+ (wm_desktop_ws = ewmh_get_workspace_by_index(cwindow->wm_desktop)) != NULL) {
+ /* If _NET_WM_DESKTOP is set to a specific desktop, we open it
+ * there. Note that we ignore the special value 0xFFFFFFFF here
+ * since such a window will be made sticky anyway. */
+
+ DLOG("Using workspace %p / %s because _NET_WM_DESKTOP = %d.\n",
+ wm_desktop_ws, wm_desktop_ws->name, cwindow->wm_desktop);
+
+ nc = con_descend_tiling_focused(wm_desktop_ws);
+ if (nc->type == CT_WORKSPACE)
+ nc = tree_open_con(nc, cwindow);
+ else
+ nc = tree_open_con(nc->parent, cwindow);
} else if (startup_ws) {
- /* If it’s not assigned, but was started on a specific workspace,
- * we want to open it there */
+ /* If it was started on a specific workspace, we want to open it there. */
DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_STICKY))
nc->sticky = true;
+ if (cwindow->wm_desktop == NET_WM_DESKTOP_ALL) {
+ DLOG("This window has _NET_WM_DESKTOP = 0xFFFFFFFF. Will float it and make it sticky.\n");
+ nc->sticky = true;
+ want_floating = true;
+ }
+
FREE(state_reply);
FREE(type_reply);
* needs to be on the final workspace first. */
con_set_urgency(nc, urgency_hint);
+ /* Update _NET_WM_DESKTOP. We invalidate the cached value first to force an update. */
+ cwindow->wm_desktop = NET_WM_DESKTOP_NONE;
+ ewmh_update_wm_desktop();
+
+ /* If a sticky window was mapped onto another workspace, make sure to pop it to the front. */
+ output_push_sticky_windows(focused);
+
geom_out:
free(geom);
out:
DLOG("Swapped.\n");
ipc_send_window_event("move", con);
+ ewmh_update_wm_desktop();
return;
}
* try to move it to a workspace on a different output */
move_to_output_directed(con, direction);
ipc_send_window_event("move", con);
+ ewmh_update_wm_desktop();
return;
}
tree_flatten(croot);
ipc_send_window_event("move", con);
+ ewmh_update_wm_desktop();
}
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
ewmh_update_desktop_viewport();
+ ewmh_update_wm_desktop();
if (created != NULL)
*created = true;
} else if (created != NULL) {
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
ewmh_update_desktop_viewport();
+ ewmh_update_wm_desktop();
}
}
sub get_wm_state {
sync_with_i3;
- my $atom = $x->atom(name => '_NET_WM_STATE_HIDDEN');
my ($con) = @_;
my $cookie = $x->get_property(
--- /dev/null
+#!perl
+# vim:ts=4:sw=4:expandtab
+#
+# Please read the following documents before working on tests:
+# • http://build.i3wm.org/docs/testsuite.html
+# (or docs/testsuite)
+#
+# • http://build.i3wm.org/docs/lib-i3test.html
+# (alternatively: perldoc ./testcases/lib/i3test.pm)
+#
+# • http://build.i3wm.org/docs/ipc.html
+# (or docs/ipc)
+#
+# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
+# (unless you are already familiar with Perl)
+#
+# Tests for _NET_WM_DESKTOP.
+# Ticket: #2153
+use i3test i3_autostart => 0;
+use X11::XCB qw(:all);
+
+###############################################################################
+
+sub get_net_wm_desktop {
+ sync_with_i3;
+
+ my ($con) = @_;
+ my $cookie = $x->get_property(
+ 0,
+ $con->{id},
+ $x->atom(name => '_NET_WM_DESKTOP')->id,
+ $x->atom(name => 'CARDINAL')->id,
+ 0,
+ 1
+ );
+
+ my $reply = $x->get_property_reply($cookie->{sequence});
+ return undef if $reply->{length} != 1;
+
+ return unpack("L", $reply->{value});
+}
+
+sub send_net_wm_desktop {
+ my ($con, $idx) = @_;
+ my $msg = pack "CCSLLLLLL",
+ X11::XCB::CLIENT_MESSAGE, 32, 0,
+ $con->{id},
+ $x->atom(name => '_NET_WM_DESKTOP')->id,
+ $idx, 0, 0, 0, 0;
+
+ $x->send_event(0, $x->get_root_window(), X11::XCB::EVENT_MASK_SUBSTRUCTURE_REDIRECT, $msg);
+ sync_with_i3;
+}
+
+sub open_window_with_net_wm_desktop {
+ my $idx = shift;
+ my $window = open_window(
+ before_map => sub {
+ my ($window) = @_;
+ $x->change_property(
+ PROP_MODE_REPLACE,
+ $window->id,
+ $x->atom(name => '_NET_WM_DESKTOP')->id,
+ $x->atom(name => 'CARDINAL')->id,
+ 32, 1,
+ pack('L', $idx),
+ );
+ },
+ );
+
+ return $window;
+}
+
+# We need to kill all windows in between tests since they survive the i3 restart
+# and will interfere with the following tests.
+sub kill_windows {
+ sync_with_i3;
+ cmd '[title="Window.*"] kill';
+}
+
+###############################################################################
+
+my ($config, $config_mm, $pid, $con);
+
+$config = <<EOT;
+# i3 config file (v4)
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
+
+bar {
+ status_command i3status
+}
+EOT
+
+$config_mm = <<EOT;
+# i3 config file (v4)
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
+
+workspace "0" output "fake-0"
+workspace "1" output "fake-0"
+workspace "2" output "fake-0"
+workspace "10" output "fake-1"
+workspace "11" output "fake-1"
+workspace "12" output "fake-1"
+
+fake-outputs 1024x768+0+0,1024x768+1024+0
+EOT
+
+###############################################################################
+# Upon managing a window which does not set _NET_WM_DESKTOP, the property is
+# set on the window.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 1';
+$con = open_window;
+
+is(get_net_wm_desktop($con), 0, '_NET_WM_DESKTOP is set upon managing a window');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# Upon managing a window which sets _NET_WM_DESKTOP, the window is moved to
+# the specified desktop.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+open_window;
+cmd 'workspace 1';
+open_window;
+cmd 'workspace 2';
+open_window;
+
+$con = open_window_with_net_wm_desktop(1);
+
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP still has the correct value');
+is_num_children('1', 2, 'The window was moved to workspace 1');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# Upon managing a window which sets _NET_WM_DESKTOP to the appropriate value,
+# the window is made sticky and floating.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+$con = open_window_with_net_wm_desktop(0xFFFFFFFF);
+
+is(get_net_wm_desktop($con), 0xFFFFFFFF, '_NET_WM_DESKTOP still has the correct value');
+is(@{get_ws('0')->{floating_nodes}}, 1, 'The window is floating');
+ok(get_ws('0')->{floating_nodes}->[0]->{nodes}->[0]->{sticky}, 'The window is sticky');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when the window is moved to another workspace
+# on the same output.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+open_window;
+cmd 'workspace 1';
+open_window;
+cmd 'workspace 0';
+$con = open_window;
+
+cmd 'move window to workspace 1';
+
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP is updated when moving the window');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when the floating window is moved to another
+# workspace on the same output.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+open_window;
+cmd 'workspace 1';
+open_window;
+cmd 'workspace 0';
+$con = open_window;
+cmd 'floating enable';
+
+cmd 'move window to workspace 1';
+
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP is updated when moving the window');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when the window is moved to another workspace
+# on another output.
+###############################################################################
+
+$pid = launch_with_config($config_mm);
+
+cmd 'workspace 0';
+open_window;
+cmd 'workspace 10';
+open_window;
+cmd 'workspace 0';
+$con = open_window;
+
+cmd 'move window to workspace 10';
+
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP is updated when moving the window');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is removed when the window is withdrawn.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+$con = open_window;
+is(get_net_wm_desktop($con), 0, '_NET_WM_DESKTOP is set (sanity check)');
+
+$con->unmap;
+wait_for_unmap($con);
+
+is(get_net_wm_desktop($con), undef, '_NET_WM_DESKTOP is removed');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# A _NET_WM_DESKTOP client message sent to the root window moves a window
+# to the correct workspace.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+open_window;
+cmd 'workspace 1';
+open_window;
+cmd 'workspace 0';
+
+$con = open_window;
+is_num_children('0', 2, 'The window is on workspace 0');
+
+send_net_wm_desktop($con, 1);
+
+is_num_children('0', 1, 'The window is no longer on workspace 0');
+is_num_children('1', 2, 'The window is now on workspace 1');
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP is updated');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# A _NET_WM_DESKTOP client message sent to the root window can make a window
+# sticky.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+$con = open_window;
+
+send_net_wm_desktop($con, 0xFFFFFFFF);
+
+is(get_net_wm_desktop($con), 0xFFFFFFFF, '_NET_WM_DESKTOP is updated');
+is(@{get_ws('0')->{floating_nodes}}, 1, 'The window is floating');
+ok(get_ws('0')->{floating_nodes}->[0]->{nodes}->[0]->{sticky}, 'The window is sticky');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when a new workspace with a lower number is
+# opened and closed.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 1';
+$con = open_window;
+is(get_net_wm_desktop($con), 0, '_NET_WM_DESKTOP is set sanity check)');
+
+cmd 'workspace 0';
+is(get_net_wm_desktop($con), 1, '_NET_WM_DESKTOP is updated');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when a window is made sticky by command.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+$con = open_window;
+cmd 'floating enable';
+is(get_net_wm_desktop($con), 0, '_NET_WM_DESKTOP is set sanity check)');
+
+cmd 'sticky enable';
+is(get_net_wm_desktop($con), 0xFFFFFFFF, '_NET_WM_DESKTOP is updated');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+# _NET_WM_DESKTOP is updated when a window is made sticky by client message.
+###############################################################################
+
+$pid = launch_with_config($config);
+
+cmd 'workspace 0';
+$con = open_window;
+cmd 'floating enable';
+is(get_net_wm_desktop($con), 0, '_NET_WM_DESKTOP is set sanity check)');
+
+my $msg = pack "CCSLLLLLL",
+ X11::XCB::CLIENT_MESSAGE, 32, 0,
+ $con->{id},
+ $x->atom(name => '_NET_WM_STATE')->id,
+ 1,
+ $x->atom(name => '_NET_WM_STATE_STICKY')->id,
+ 0, 0, 0;
+
+$x->send_event(0, $x->get_root_window(), X11::XCB::EVENT_MASK_SUBSTRUCTURE_REDIRECT, $msg);
+sync_with_i3;
+
+is(get_net_wm_desktop($con), 0xFFFFFFFF, '_NET_WM_DESKTOP is updated');
+
+kill_windows;
+exit_gracefully($pid);
+
+###############################################################################
+
+done_testing;