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Merge pull request #2162 from Airblader/feature-2153 

Handle the EWMH atom _NET_WM_DESKTOP.
next
Michael Stapelberg 2016-01-18 13:31:03 -08:00
parent dfdf9bed94 328035fb7e
commit cfd07ab0e6
12 changed files with 609 additions and 48 deletions
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3
include/data.h
View File

@ -398,6 +398,9 @@ struct Window {
/** 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,

25
include/ewmh.h
View File

@ -36,6 +36,13 @@ void ewmh_update_desktop_names(void);
*/
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.
*
@ -96,3 +103,21 @@ void ewmh_setup_hints(void);
*
*/
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);

8
include/workspace.h
View File

@ -14,6 +14,14 @@
#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

2
src/commands.c
View File

@ -1542,6 +1542,8 @@ void cmd_sticky(I3_CMD, const char *action) {
* 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);
}

1
src/con.c
View File

@ -1080,6 +1080,7 @@ static bool _con_move_to_con(Con *con, Con *target, bool behind_focused, bool fi
CALL(parent, on_remove_child);
ipc_send_window_event("move", con);
ewmh_update_wm_desktop();
return true;
}

144
src/ewmh.c
View File

@ -21,24 +21,9 @@ xcb_window_t ewmh_window;
*
*/
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);
}
}
@ -138,6 +123,71 @@ void ewmh_update_desktop_viewport(void) {
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.
*
@ -270,3 +320,61 @@ void ewmh_setup_hints(void) {
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;
}

72
src/handlers.c
View File

@ -503,6 +503,9 @@ static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event) {
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();
@ -735,7 +738,9 @@ static void handle_client_message(xcb_client_message_event_t *event) {
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();
@ -839,32 +844,48 @@ static void handle_client_message(xcb_client_message_event_t *event) {
* 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]);
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();
return;
}
++idx;
}
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;
}
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);
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;
}
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");
floating_enable(con, false);
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
@ -915,8 +936,7 @@ static void handle_client_message(xcb_client_message_event_t *event) {
break;
}
} else {
DLOG("unhandled clientmessage\n");
return;
DLOG("Skipping client message for unhandled type %d\n", event->type);
}
}

46
src/manage.c
View File

@ -90,7 +90,7 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
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);
@ -162,6 +162,7 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
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);
@ -194,6 +195,16 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
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);
@ -244,6 +255,8 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
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);
@ -258,9 +271,23 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
/* 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);
@ -393,6 +420,12 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
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);
@ -574,6 +607,13 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
* 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:

3
src/move.c
View File

@ -206,6 +206,7 @@ void tree_move(Con *con, int direction) {
DLOG("Swapped.\n");
ipc_send_window_event("move", con);
ewmh_update_wm_desktop();
return;
}
@ -214,6 +215,7 @@ void tree_move(Con *con, int direction) {
* 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;
}
@ -274,4 +276,5 @@ end:
tree_flatten(croot);
ipc_send_window_event("move", con);
ewmh_update_wm_desktop();
}

2
src/workspace.c
View File

@ -101,6 +101,7 @@ Con *workspace_get(const char *num, bool *created) {
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) {
@ -463,6 +464,7 @@ static void _workspace_show(Con *workspace) {
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
ewmh_update_desktop_viewport();
ewmh_update_wm_desktop();
}
}

1
testcases/t/253-multiple-net-wm-state-atoms.t
View File

@ -20,7 +20,6 @@ use X11::XCB qw(:all);
sub get_wm_state {
sync_with_i3;
my $atom = $x->atom(name => '_NET_WM_STATE_HIDDEN');
my ($con) = @_;
my $cookie = $x->get_property(

350
testcases/t/529-net-wm-desktop.t Normal file
View File

@ -0,0 +1,350 @@
#!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;