* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* workspace.c: Modifying workspaces, accessing them, moving containers to
* workspaces.
*
*/
#include "all.h"
+#include "yajl_utils.h"
/* Stores a copy of the name of the last used workspace for the workspace
* back-and-forth switching. */
static char *previous_workspace_name = NULL;
+/* NULL-terminated list of workspace names (in order) extracted from
+ * keybindings. */
+static char **binding_workspace_names = NULL;
+
/*
* Sets ws->layout to splith/splitv if default_orientation was specified in the
* configfile. Otherwise, it uses splith/splitv depending on whether the output
if (config.default_orientation == NO_ORIENTATION) {
Con *output = con_get_output(ws);
ws->layout = (output->rect.height > output->rect.width) ? L_SPLITV : L_SPLITH;
+ ws->rect = output->rect;
DLOG("Auto orientation. Workspace size set to (%d,%d), setting layout to %d.\n",
output->rect.width, output->rect.height, ws->layout);
} else {
Con *output, *workspace = NULL;
TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
- GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, num));
+ GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, num));
if (workspace == NULL) {
LOG("Creating new workspace \"%s\"\n", num);
output = con_get_output(focused);
/* look for assignments */
struct Workspace_Assignment *assignment;
- TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
- if (strcmp(assignment->name, num) != 0)
- continue;
- LOG("Found workspace assignment to output \"%s\"\n", assignment->output);
- GREP_FIRST(output, croot, !strcmp(child->name, assignment->output));
- break;
+ /* We set workspace->num to the number if this workspace’s name begins
+ * with a positive number. Otherwise it’s a named ws and num will be
+ * -1. */
+ long parsed_num = ws_name_to_number(num);
+
+ TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+ if (strcmp(assignment->name, num) == 0) {
+ DLOG("Found workspace name assignment to output \"%s\"\n", assignment->output);
+ GREP_FIRST(output, croot, !strcmp(child->name, assignment->output));
+ break;
+ } else if (parsed_num != -1 && name_is_digits(assignment->name) && ws_name_to_number(assignment->name) == parsed_num) {
+ DLOG("Found workspace number assignment to output \"%s\"\n", assignment->output);
+ GREP_FIRST(output, croot, !strcmp(child->name, assignment->output));
+ }
}
+
Con *content = output_get_content(output);
LOG("got output %p with content %p\n", output, content);
/* We need to attach this container after setting its type. con_attach
FREE(workspace->name);
workspace->name = sstrdup(num);
workspace->workspace_layout = config.default_layout;
- /* We set ->num to the number if this workspace’s name begins with a
- * positive number. Otherwise it’s a named ws and num will be -1. */
- char *endptr = NULL;
- long parsed_num = strtol(num, &endptr, 10);
- if (parsed_num == LONG_MIN ||
- parsed_num == LONG_MAX ||
- parsed_num < 0 ||
- endptr == num)
- workspace->num = -1;
- else workspace->num = parsed_num;
+ workspace->num = parsed_num;
LOG("num = %d\n", workspace->num);
workspace->parent = content;
con_attach(workspace, content, false);
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
+ ipc_send_workspace_event("init", workspace, NULL);
+ 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) {
+ } else if (created != NULL) {
*created = false;
}
}
/*
- * Returns a pointer to a new workspace in the given output. The workspace
- * is created attached to the tree hierarchy through the given content
- * container.
+ * Extracts workspace names from keybindings (e.g. “web” from “bindsym $mod+1
+ * workspace web”), so that when an output needs a workspace, i3 can start with
+ * the first configured one. Needs to be called before reorder_bindings() so
+ * that the config-file order is used, not the i3-internal order.
*
*/
-Con *create_workspace_on_output(Output *output, Con *content) {
- /* add a workspace to this output */
- Con *out, *current;
- char *name;
- bool exists = true;
- Con *ws = con_new(NULL, NULL);
- ws->type = CT_WORKSPACE;
-
- /* try the configured workspace bindings first to find a free name */
+void extract_workspace_names_from_bindings(void) {
Binding *bind;
+ int n = 0;
+ if (binding_workspace_names != NULL) {
+ for (int i = 0; binding_workspace_names[i] != NULL; i++) {
+ free(binding_workspace_names[i]);
+ }
+ FREE(binding_workspace_names);
+ }
TAILQ_FOREACH(bind, bindings, bindings) {
DLOG("binding with command %s\n", bind->command);
if (strlen(bind->command) < strlen("workspace ") ||
strncasecmp(bind->command, "workspace", strlen("workspace")) != 0)
continue;
DLOG("relevant command = %s\n", bind->command);
- char *target = bind->command + strlen("workspace ");
+ const char *target = bind->command + strlen("workspace ");
+ while (*target == ' ' || *target == '\t')
+ target++;
/* We check if this is the workspace
* next/prev/next_on_output/prev_on_output/back_and_forth/number command.
* Beware: The workspace names "next", "prev", "next_on_output",
strncasecmp(target, "back_and_forth", strlen("back_and_forth")) == 0 ||
strncasecmp(target, "current", strlen("current")) == 0)
continue;
- if (*target == '"')
- target++;
- FREE(ws->name);
- ws->name = strdup(target);
- if (ws->name[strlen(ws->name)-1] == '"')
- ws->name[strlen(ws->name)-1] = '\0';
- DLOG("trying name *%s*\n", ws->name);
+ char *target_name = parse_string(&target, false);
+ if (target_name == NULL)
+ continue;
+ if (strncasecmp(target_name, "__", strlen("__")) == 0) {
+ LOG("Cannot create workspace \"%s\". Names starting with __ are i3-internal.\n", target);
+ free(target_name);
+ continue;
+ }
+ DLOG("Saving workspace name \"%s\"\n", target_name);
+
+ binding_workspace_names = srealloc(binding_workspace_names, ++n * sizeof(char *));
+ binding_workspace_names[n - 1] = target_name;
+ }
+ binding_workspace_names = srealloc(binding_workspace_names, ++n * sizeof(char *));
+ binding_workspace_names[n - 1] = NULL;
+}
+
+/*
+ * Returns a pointer to a new workspace in the given output. The workspace
+ * is created attached to the tree hierarchy through the given content
+ * container.
+ *
+ */
+Con *create_workspace_on_output(Output *output, Con *content) {
+ /* add a workspace to this output */
+ Con *out, *current;
+ char *name;
+ bool exists = true;
+ Con *ws = con_new(NULL, NULL);
+ ws->type = CT_WORKSPACE;
+ /* try the configured workspace bindings first to find a free name */
+ for (int n = 0; binding_workspace_names[n] != NULL; n++) {
+ char *target_name = binding_workspace_names[n];
/* Ensure that this workspace is not assigned to a different output —
* otherwise we would create it, then move it over to its output, then
* find a new workspace, etc… */
bool assigned = false;
struct Workspace_Assignment *assignment;
TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
- if (strcmp(assignment->name, ws->name) != 0 ||
+ if (strcmp(assignment->name, target_name) != 0 ||
strcmp(assignment->output, output->name) == 0)
continue;
current = NULL;
TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
- GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
-
+ GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, target_name));
exists = (current != NULL);
if (!exists) {
+ ws->name = sstrdup(target_name);
/* Set ->num to the number of the workspace, if the name actually
* is a number or starts with a number */
- char *endptr = NULL;
- long parsed_num = strtol(ws->name, &endptr, 10);
- if (parsed_num == LONG_MIN ||
- parsed_num == LONG_MAX ||
- parsed_num < 0 ||
- endptr == ws->name)
- ws->num = -1;
- else ws->num = parsed_num;
+ ws->num = ws_name_to_number(ws->name);
LOG("Used number %d for workspace with name %s\n", ws->num, ws->name);
break;
while (exists) {
c++;
- FREE(ws->name);
- sasprintf(&(ws->name), "%d", c);
+ ws->num = c;
current = NULL;
TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
- GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
+ GREP_FIRST(current, output_get_content(out), child->num == ws->num);
exists = (current != NULL);
- DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
+ DLOG("result for ws %d: exists = %d\n", c, exists);
}
- ws->num = c;
+ sasprintf(&(ws->name), "%d", c);
}
con_attach(ws, content, false);
return ws;
}
-
/*
* Returns true if the workspace is currently visible. Especially important for
* multi-monitor environments, as they can have multiple currenlty active
}
TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
- workspace_reassign_sticky(current);
+ workspace_reassign_sticky(current);
}
/*
static void workspace_defer_update_urgent_hint_cb(EV_P_ ev_timer *w, int revents) {
Con *con = w->data;
- DLOG("Resetting urgency flag of con %p by timer\n", con);
- con->urgent = false;
- con_update_parents_urgency(con);
- workspace_update_urgent_flag(con_get_workspace(con));
- tree_render();
-
ev_timer_stop(main_loop, con->urgency_timer);
FREE(con->urgency_timer);
+
+ if (con->urgent) {
+ DLOG("Resetting urgency flag of con %p by timer\n", con);
+ con_set_urgency(con, false);
+ con_update_parents_urgency(con);
+ workspace_update_urgent_flag(con_get_workspace(con));
+ ipc_send_window_event("urgent", con);
+ tree_render();
+ }
}
static void _workspace_show(Con *workspace) {
Con *current, *old = NULL;
+ Con *old_focus = focused;
/* safe-guard against showing i3-internal workspaces like __i3_scratch */
if (con_is_internal(workspace))
/* Remember currently focused workspace for switching back to it later with
* the 'workspace back_and_forth' command.
* NOTE: We have to duplicate the name as the original will be freed when
- * the corresponding workspace is cleaned up. */
-
- FREE(previous_workspace_name);
- if (current)
- previous_workspace_name = sstrdup(current->name);
+ * the corresponding workspace is cleaned up.
+ * NOTE: Internal cons such as __i3_scratch (when a scratchpad window is
+ * focused) are skipped, see bug #868. */
+ if (current && !con_is_internal(current)) {
+ FREE(previous_workspace_name);
+ if (current) {
+ previous_workspace_name = sstrdup(current->name);
+ DLOG("Setting previous_workspace_name = %s\n", previous_workspace_name);
+ }
+ }
workspace_reassign_sticky(workspace);
* focus and thereby immediately destroy it */
if (next->urgent && (int)(config.workspace_urgency_timer * 1000) > 0) {
/* focus for now… */
+ next->urgent = false;
con_focus(next);
/* … but immediately reset urgency flags; they will be set to false by
if (focused->urgency_timer == NULL) {
DLOG("Deferring reset of urgency flag of con %p on newly shown workspace %p\n",
- focused, workspace);
- focused->urgency_timer = scalloc(sizeof(struct ev_timer));
+ focused, workspace);
+ focused->urgency_timer = scalloc(1, sizeof(struct ev_timer));
/* use a repeating timer to allow for easy resets */
ev_timer_init(focused->urgency_timer, workspace_defer_update_urgent_hint_cb,
- config.workspace_urgency_timer, config.workspace_urgency_timer);
+ config.workspace_urgency_timer, config.workspace_urgency_timer);
focused->urgency_timer->data = focused;
ev_timer_start(main_loop, focused->urgency_timer);
} else {
DLOG("Resetting urgency timer of con %p on workspace %p\n",
- focused, workspace);
+ focused, workspace);
ev_timer_again(main_loop, focused->urgency_timer);
}
} else
con_focus(next);
+ ipc_send_workspace_event("focus", workspace, current);
+
DLOG("old = %p / %s\n", old, (old ? old->name : "(null)"));
/* Close old workspace if necessary. This must be done *after* doing
- * urgency handling, because tree_close() will do a con_focus() on the next
+ * urgency handling, because tree_close_internal() will do a con_focus() on the next
* client, which will clear the urgency flag too early. Also, there is no
* way for con_focus() to know about when to clear urgency immediately and
* when to defer it. */
/* check if this workspace is currently visible */
if (!workspace_is_visible(old)) {
LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
- tree_close(old, DONT_KILL_WINDOW, false, false);
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
+ yajl_gen gen = ipc_marshal_workspace_event("empty", old, NULL);
+ tree_close_internal(old, DONT_KILL_WINDOW, false, false);
+
+ const unsigned char *payload;
+ ylength length;
+ y(get_buf, &payload, &length);
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, (const char *)payload);
+
+ y(free);
+
+ ewmh_update_number_of_desktops();
+ ewmh_update_desktop_names();
+ ewmh_update_desktop_viewport();
+ ewmh_update_wm_desktop();
}
}
/* Update the EWMH hints */
ewmh_update_current_desktop();
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+ /* Push any sticky windows to the now visible workspace. */
+ output_push_sticky_windows(old_focus);
}
/*
* Focuses the next workspace.
*
*/
-Con* workspace_next(void) {
+Con *workspace_next(void) {
Con *current = con_get_workspace(focused);
- Con *next = NULL;
+ Con *next = NULL, *first = NULL, *first_opposite = NULL;
Con *output;
if (current->num == -1) {
/* If currently a named workspace, find next named workspace. */
- next = TAILQ_NEXT(current, nodes);
- } else {
- /* If currently a numbered workspace, find next numbered workspace. */
- TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
- /* Skip outputs starting with __, they are internal. */
- if (con_is_internal(output))
- continue;
- NODES_FOREACH(output_get_content(output)) {
- if (child->type != CT_WORKSPACE)
- continue;
- if (child->num == -1)
- break;
- /* Need to check child against current and next because we are
- * traversing multiple lists and thus are not guaranteed the
- * relative order between the list of workspaces. */
- if (current->num < child->num && (!next || child->num < next->num))
- next = child;
- }
- }
- }
-
- /* Find next named workspace. */
- if (!next) {
+ if ((next = TAILQ_NEXT(current, nodes)) != NULL)
+ return next;
bool found_current = false;
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
/* Skip outputs starting with __, they are internal. */
NODES_FOREACH(output_get_content(output)) {
if (child->type != CT_WORKSPACE)
continue;
+ if (!first)
+ first = child;
+ if (!first_opposite || (child->num != -1 && child->num < first_opposite->num))
+ first_opposite = child;
if (child == current) {
- found_current = 1;
- } else if (child->num == -1 && (current->num != -1 || found_current)) {
+ found_current = true;
+ } else if (child->num == -1 && found_current) {
next = child;
- goto workspace_next_end;
+ return next;
}
}
}
- }
-
- /* Find first workspace. */
- if (!next) {
+ } else {
+ /* If currently a numbered workspace, find next numbered workspace. */
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
/* Skip outputs starting with __, they are internal. */
if (con_is_internal(output))
NODES_FOREACH(output_get_content(output)) {
if (child->type != CT_WORKSPACE)
continue;
- if (!next || (child->num != -1 && child->num < next->num))
+ if (!first || (child->num != -1 && child->num < first->num))
+ first = child;
+ if (!first_opposite && child->num == -1)
+ first_opposite = child;
+ if (child->num == -1)
+ break;
+ /* Need to check child against current and next because we are
+ * traversing multiple lists and thus are not guaranteed the
+ * relative order between the list of workspaces. */
+ if (current->num < child->num && (!next || child->num < next->num))
next = child;
}
}
}
-workspace_next_end:
+
+ if (!next)
+ next = first_opposite ? first_opposite : first;
+
return next;
}
* Focuses the previous workspace.
*
*/
-Con* workspace_prev(void) {
+Con *workspace_prev(void) {
Con *current = con_get_workspace(focused);
- Con *prev = NULL;
+ Con *prev = NULL, *first_opposite = NULL, *last = NULL;
Con *output;
if (current->num == -1) {
prev = TAILQ_PREV(current, nodes_head, nodes);
if (prev && prev->num != -1)
prev = NULL;
+ if (!prev) {
+ bool found_current = false;
+ TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
+ /* Skip outputs starting with __, they are internal. */
+ if (con_is_internal(output))
+ continue;
+ NODES_FOREACH_REVERSE(output_get_content(output)) {
+ if (child->type != CT_WORKSPACE)
+ continue;
+ if (!last)
+ last = child;
+ if (!first_opposite || (child->num != -1 && child->num > first_opposite->num))
+ first_opposite = child;
+ if (child == current) {
+ found_current = true;
+ } else if (child->num == -1 && found_current) {
+ prev = child;
+ return prev;
+ }
+ }
+ }
+ }
} else {
/* If numbered workspace, find previous numbered workspace. */
TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
if (con_is_internal(output))
continue;
NODES_FOREACH_REVERSE(output_get_content(output)) {
- if (child->type != CT_WORKSPACE || child->num == -1)
+ if (child->type != CT_WORKSPACE)
+ continue;
+ if (!last || (child->num != -1 && last->num < child->num))
+ last = child;
+ if (!first_opposite && child->num == -1)
+ first_opposite = child;
+ if (child->num == -1)
continue;
/* Need to check child against current and previous because we
* are traversing multiple lists and thus are not guaranteed
}
}
- /* Find previous named workspace. */
- if (!prev) {
- bool found_current = false;
- TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
- /* Skip outputs starting with __, they are internal. */
- if (con_is_internal(output))
- continue;
- NODES_FOREACH_REVERSE(output_get_content(output)) {
- if (child->type != CT_WORKSPACE)
- continue;
- if (child == current) {
- found_current = true;
- } else if (child->num == -1 && (current->num != -1 || found_current)) {
- prev = child;
- goto workspace_prev_end;
- }
- }
- }
- }
+ if (!prev)
+ prev = first_opposite ? first_opposite : last;
- /* Find last workspace. */
- if (!prev) {
- TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
- /* Skip outputs starting with __, they are internal. */
- if (con_is_internal(output))
- continue;
- NODES_FOREACH_REVERSE(output_get_content(output)) {
- if (child->type != CT_WORKSPACE)
- continue;
- if (!prev || child->num > prev->num)
- prev = child;
- }
- }
- }
-
-workspace_prev_end:
return prev;
}
-
/*
* Focuses the next workspace on the same output.
*
*/
-Con* workspace_next_on_output(void) {
+Con *workspace_next_on_output(void) {
Con *current = con_get_workspace(focused);
Con *next = NULL;
- Con *output = con_get_output(focused);
+ Con *output = con_get_output(focused);
if (current->num == -1) {
/* If currently a named workspace, find next named workspace. */
* relative order between the list of workspaces. */
if (current->num < child->num && (!next || child->num < next->num))
next = child;
- }
}
+ }
/* Find next named workspace. */
if (!next) {
if (child->type != CT_WORKSPACE)
continue;
if (child == current) {
- found_current = 1;
+ found_current = true;
} else if (child->num == -1 && (current->num != -1 || found_current)) {
next = child;
goto workspace_next_on_output_end;
* Focuses the previous workspace on same output.
*
*/
-Con* workspace_prev_on_output(void) {
+Con *workspace_prev_on_output(void) {
Con *current = con_get_workspace(focused);
Con *prev = NULL;
- Con *output = con_get_output(focused);
+ Con *output = con_get_output(focused);
DLOG("output = %s\n", output->name);
if (current->num == -1) {
NODES_FOREACH_REVERSE(output_get_content(output)) {
if (child->type != CT_WORKSPACE || child->num == -1)
continue;
- /* Need to check child against current and previous because we
+ /* Need to check child against current and previous because we
* are traversing multiple lists and thus are not guaranteed
* the relative order between the list of workspaces. */
if (current->num > child->num && (!prev || child->num > prev->num))
*/
void workspace_back_and_forth(void) {
if (!previous_workspace_name) {
- DLOG("No previous workspace name set. Not switching.");
+ DLOG("No previous workspace name set. Not switching.\n");
return;
}
*/
Con *workspace_back_and_forth_get(void) {
if (!previous_workspace_name) {
- DLOG("no previous workspace name set.");
+ DLOG("No previous workspace name set.\n");
return NULL;
}
static bool get_urgency_flag(Con *con) {
Con *child;
TAILQ_FOREACH(child, &(con->nodes_head), nodes)
- if (child->urgent || get_urgency_flag(child))
- return true;
+ if (child->urgent || get_urgency_flag(child))
+ return true;
TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
- if (child->urgent || get_urgency_flag(child))
- return true;
+ if (child->urgent || get_urgency_flag(child))
+ return true;
return false;
}
DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
if (old_flag != ws->urgent)
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
+ ipc_send_workspace_event("urgent", ws, NULL);
}
/*
DLOG("Attaching new split %p to workspace %p\n", new, ws);
con_attach(new, ws, false);
+ /* 5: fix the percentages */
+ con_fix_percent(ws);
+
return new;
}
new->layout = ws->layout;
DLOG("Moving children of workspace %p / %s into container %p\n",
- ws, ws->name, new);
+ ws, ws->name, new);
Con *child;
while (!TAILQ_EMPTY(&(ws->nodes_head))) {
return new;
}
+
+/**
+ * Move the given workspace to the specified output.
+ * This returns true if and only if moving the workspace was successful.
+ */
+bool workspace_move_to_output(Con *ws, const char *name) {
+ LOG("Trying to move workspace %p / %s to output \"%s\".\n", ws, ws->name, name);
+
+ Output *current_output = get_output_for_con(ws);
+ if (current_output == NULL) {
+ ELOG("Cannot get current output. This is a bug in i3.\n");
+ return false;
+ }
+
+ Output *output = get_output_from_string(current_output, name);
+ if (!output) {
+ ELOG("Could not get output from string \"%s\"\n", name);
+ return false;
+ }
+
+ Con *content = output_get_content(output->con);
+ LOG("got output %p with content %p\n", output, content);
+
+ Con *previously_visible_ws = TAILQ_FIRST(&(content->focus_head));
+ LOG("Previously visible workspace = %p / %s\n", previously_visible_ws, previously_visible_ws->name);
+
+ bool workspace_was_visible = workspace_is_visible(ws);
+ if (con_num_children(ws->parent) == 1) {
+ LOG("Creating a new workspace to replace \"%s\" (last on its output).\n", ws->name);
+
+ /* check if we can find a workspace assigned to this output */
+ bool used_assignment = false;
+ struct Workspace_Assignment *assignment;
+ TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+ if (assignment->output == NULL || strcmp(assignment->output, current_output->name) != 0)
+ continue;
+
+ /* check if this workspace is already attached to the tree */
+ Con *workspace = NULL, *out;
+ TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
+ GREP_FIRST(workspace, output_get_content(out),
+ !strcasecmp(child->name, assignment->name));
+ if (workspace != NULL)
+ continue;
+
+ /* so create the workspace referenced to by this assignment */
+ LOG("Creating workspace from assignment %s.\n", assignment->name);
+ workspace_get(assignment->name, NULL);
+ used_assignment = true;
+ break;
+ }
+
+ /* if we couldn't create the workspace using an assignment, create
+ * it on the output */
+ if (!used_assignment)
+ create_workspace_on_output(current_output, ws->parent);
+
+ /* notify the IPC listeners */
+ ipc_send_workspace_event("init", ws, NULL);
+ }
+ DLOG("Detaching\n");
+
+ /* detach from the old output and attach to the new output */
+ Con *old_content = ws->parent;
+ con_detach(ws);
+ if (workspace_was_visible) {
+ /* The workspace which we just detached was visible, so focus
+ * the next one in the focus-stack. */
+ Con *focus_ws = TAILQ_FIRST(&(old_content->focus_head));
+ LOG("workspace was visible, focusing %p / %s now\n", focus_ws, focus_ws->name);
+ workspace_show(focus_ws);
+ }
+ con_attach(ws, content, false);
+
+ /* fix the coordinates of the floating containers */
+ Con *floating_con;
+ TAILQ_FOREACH(floating_con, &(ws->floating_head), floating_windows)
+ floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
+
+ ipc_send_workspace_event("move", ws, NULL);
+ if (workspace_was_visible) {
+ /* Focus the moved workspace on the destination output. */
+ workspace_show(ws);
+ }
+
+ /* NB: We cannot simply work with previously_visible_ws since it might
+ * have been cleaned up by workspace_show() already, depending on the
+ * focus order/number of other workspaces on the output.
+ * Instead, we loop through the available workspaces and only work with
+ * previously_visible_ws if we still find it. */
+ TAILQ_FOREACH(ws, &(content->nodes_head), nodes) {
+ if (ws != previously_visible_ws)
+ continue;
+
+ /* Call the on_remove_child callback of the workspace which previously
+ * was visible on the destination output. Since it is no longer
+ * visible, it might need to get cleaned up. */
+ CALL(previously_visible_ws, on_remove_child);
+ break;
+ }
+
+ return true;
+}