/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 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.
*
*/
char *previous_workspace_name = NULL;
/* NULL-terminated list of workspace names (in order) extracted from
* keybindings. */
static char **binding_workspace_names = NULL;
/*
* Returns the workspace with the given name or NULL if such a workspace does
* not exist.
*
*/
Con *get_existing_workspace_by_name(const char *name) {
Con *output, *workspace = NULL;
TAILQ_FOREACH (output, &(croot->nodes_head), nodes) {
GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, name));
}
return workspace;
}
/*
* Returns the workspace with the given number or NULL if such a workspace does
* not exist.
*
*/
Con *get_existing_workspace_by_num(int num) {
Con *output, *workspace = NULL;
TAILQ_FOREACH (output, &(croot->nodes_head), nodes) {
GREP_FIRST(workspace, output_get_content(output), child->num == num);
}
return workspace;
}
/*
* Sets ws->layout to splith/splitv if default_orientation was specified in the
* configfile. Otherwise, it uses splith/splitv depending on whether the output
* is higher than wide.
*
*/
static void _workspace_apply_default_orientation(Con *ws) {
/* If default_orientation is set to NO_ORIENTATION we determine
* orientation depending on output resolution. */
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 {
ws->layout = (config.default_orientation == HORIZ) ? L_SPLITH : L_SPLITV;
}
}
/*
* Returns the first output that is assigned to a workspace specified by the
* given name or number. Returns NULL if no such output exists.
*
* If an assignment matches by number but there is an assignment later that
* matches by name, the second one is preferred.
* The order of the 'ws_assignments' queue is respected: if multiple
* assignments match the criteria, the first one is returned.
* 'name' is ignored when NULL, 'parsed_num' is ignored when it is -1.
*
*/
Con *get_assigned_output(const char *name, long parsed_num) {
Con *output = NULL;
struct Workspace_Assignment *assignment;
TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
if (assignment->output == NULL) {
continue;
}
if (name && strcmp(assignment->name, name) == 0) {
DLOG("Found workspace name=\"%s\" assignment to output \"%s\"\n",
name, assignment->output);
Output *assigned_by_name = get_output_by_name(assignment->output, true);
if (assigned_by_name) {
/* When the name matches exactly, skip numbered assignments. */
return assigned_by_name->con;
}
} else if (!output && /* Only keep the first numbered assignment. */
parsed_num != -1 &&
name_is_digits(assignment->name) &&
ws_name_to_number(assignment->name) == parsed_num) {
DLOG("Found workspace number=%ld assignment to output \"%s\"\n",
parsed_num, assignment->output);
Output *assigned_by_num = get_output_by_name(assignment->output, true);
if (assigned_by_num) {
output = assigned_by_num->con;
}
}
}
return output;
}
/*
* Returns true if the first output assigned to a workspace with the given
* workspace assignment is the same as the given output.
*/
bool output_triggers_assignment(Output *output, struct Workspace_Assignment *assignment) {
Con *assigned = get_assigned_output(assignment->name, -1);
return assigned && assigned == output->con;
}
/*
* Returns a pointer to the workspace with the given number (starting at 0),
* creating the workspace if necessary (by allocating the necessary amount of
* memory and initializing the data structures correctly).
*
*/
Con *workspace_get(const char *num) {
Con *workspace = get_existing_workspace_by_name(num);
if (workspace) {
return workspace;
}
LOG("Creating new workspace \"%s\"\n", num);
gaps_t gaps = (gaps_t){0, 0, 0, 0, 0};
/* 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. */
const int parsed_num = ws_name_to_number(num);
struct Workspace_Assignment *assignment;
TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
if (strcmp(assignment->name, num) == 0) {
gaps = assignment->gaps;
break;
} else if (parsed_num != -1 && name_is_digits(assignment->name) && ws_name_to_number(assignment->name) == parsed_num) {
gaps = assignment->gaps;
}
}
Con *output = get_assigned_output(num, parsed_num);
/* if an assignment is not found, we create this workspace on the current output */
if (!output) {
output = con_get_output(focused);
}
/* No parent because we need to attach this container after setting its
* type. con_attach will handle CT_WORKSPACEs differently. */
workspace = con_new(NULL, NULL);
char *name;
sasprintf(&name, "[i3 con] workspace %s", num);
x_set_name(workspace, name);
free(name);
FREE(workspace->name);
workspace->name = sstrdup(num);
workspace->workspace_layout = config.default_layout;
workspace->num = parsed_num;
workspace->type = CT_WORKSPACE;
workspace->gaps = gaps;
con_attach(workspace, output_get_content(output), false);
_workspace_apply_default_orientation(workspace);
ipc_send_workspace_event("init", workspace, NULL);
ewmh_update_desktop_properties();
return workspace;
}
/*
* 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.
*
*/
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);
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 command.
* Beware: The workspace names "next", "prev", "next_on_output",
* "prev_on_output", "back_and_forth" and "current" are OK,
* so we check before stripping the double quotes */
if (strncasecmp(target, "next", strlen("next")) == 0 ||
strncasecmp(target, "prev", strlen("prev")) == 0 ||
strncasecmp(target, "next_on_output", strlen("next_on_output")) == 0 ||
strncasecmp(target, "prev_on_output", strlen("prev_on_output")) == 0 ||
strncasecmp(target, "back_and_forth", strlen("back_and_forth")) == 0 ||
strncasecmp(target, "current", strlen("current")) == 0)
continue;
if (strncasecmp(target, "--no-auto-back-and-forth", strlen("--no-auto-back-and-forth")) == 0) {
target += strlen("--no-auto-back-and-forth");
while (*target == ' ' || *target == '\t')
target++;
}
if (strncasecmp(target, "number", strlen("number")) == 0) {
target += strlen("number");
while (*target == ' ' || *target == '\t')
target++;
}
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 */
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… */
Con *assigned = get_assigned_output(target_name, -1);
if (assigned && assigned != output->con) {
continue;
}
const int num = ws_name_to_number(target_name);
exists = (num == -1)
? get_existing_workspace_by_name(target_name)
: get_existing_workspace_by_num(num);
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 */
ws->num = num;
DLOG("Used number %d for workspace with name %s\n", ws->num, ws->name);
break;
}
}
if (exists) {
/* get the next unused workspace number */
DLOG("Getting next unused workspace by number\n");
int c = 0;
while (exists) {
c++;
Con *assigned = get_assigned_output(NULL, c);
exists = (get_existing_workspace_by_num(c) || (assigned && assigned != output->con));
DLOG("result for ws %d: exists = %d\n", c, exists);
}
ws->num = c;
sasprintf(&(ws->name), "%d", c);
}
struct Workspace_Assignment *assignment;
TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
if (strcmp(assignment->name, ws->name) == 0) {
ws->gaps = assignment->gaps;
break;
}
}
con_attach(ws, content, false);
char *name;
sasprintf(&name, "[i3 con] workspace %s", ws->name);
x_set_name(ws, name);
free(name);
ws->fullscreen_mode = CF_OUTPUT;
ws->workspace_layout = config.default_layout;
_workspace_apply_default_orientation(ws);
ipc_send_workspace_event("init", ws, NULL);
return ws;
}
/*
* Returns true if the workspace is currently visible. Especially important for
* multi-monitor environments, as they can have multiple currently active
* workspaces.
*
*/
bool workspace_is_visible(Con *ws) {
Con *output = con_get_output(ws);
if (output == NULL) {
return false;
}
Con *fs = con_get_fullscreen_con(output, CF_OUTPUT);
return (fs == ws);
}
/*
* XXX: we need to clean up all this recursive walking code.
*
*/
static Con *_get_sticky(Con *con, const char *sticky_group, Con *exclude) {
Con *current;
TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
if (current != exclude &&
current->sticky_group != NULL &&
current->window != NULL &&
strcmp(current->sticky_group, sticky_group) == 0)
return current;
Con *recurse = _get_sticky(current, sticky_group, exclude);
if (recurse != NULL)
return recurse;
}
TAILQ_FOREACH (current, &(con->floating_head), floating_windows) {
if (current != exclude &&
current->sticky_group != NULL &&
current->window != NULL &&
strcmp(current->sticky_group, sticky_group) == 0)
return current;
Con *recurse = _get_sticky(current, sticky_group, exclude);
if (recurse != NULL)
return recurse;
}
return NULL;
}
/*
* Reassigns all child windows in sticky containers. Called when the user
* changes workspaces.
*
* XXX: what about sticky containers which contain containers?
*
*/
static void workspace_reassign_sticky(Con *con) {
Con *current;
/* 1: go through all containers */
/* handle all children and floating windows of this node */
TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
if (current->sticky_group == NULL) {
workspace_reassign_sticky(current);
continue;
}
LOG("Ah, this one is sticky: %s / %p\n", current->name, current);
/* 2: find a window which we can re-assign */
Con *output = con_get_output(current);
Con *src = _get_sticky(output, current->sticky_group, current);
if (src == NULL) {
LOG("No window found for this sticky group\n");
workspace_reassign_sticky(current);
continue;
}
x_move_win(src, current);
current->window = src->window;
current->mapped = true;
src->window = NULL;
src->mapped = false;
x_reparent_child(current, src);
LOG("re-assigned window from src %p to dest %p\n", src, current);
}
TAILQ_FOREACH (current, &(con->floating_head), floating_windows) {
workspace_reassign_sticky(current);
}
}
/*
* Callback to reset the urgent flag of the given con to false. May be started by
* workspace_show to avoid urgency hints being lost by switching to a workspace
* focusing the con.
*
*/
static void workspace_defer_update_urgent_hint_cb(EV_P_ ev_timer *w, int revents) {
Con *con = w->data;
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();
}
}
/*
* Switches to the given workspace
*
*/
void workspace_show(Con *workspace) {
Con *current, *old = NULL;
/* safe-guard against showing i3-internal workspaces like __i3_scratch */
if (con_is_internal(workspace))
return;
/* disable fullscreen for the other workspaces and get the workspace we are
* currently on. */
TAILQ_FOREACH (current, &(workspace->parent->nodes_head), nodes) {
if (current->fullscreen_mode == CF_OUTPUT)
old = current;
current->fullscreen_mode = CF_NONE;
}
/* enable fullscreen for the target workspace. If it happens to be the
* same one we are currently on anyways, we can stop here. */
workspace->fullscreen_mode = CF_OUTPUT;
current = con_get_workspace(focused);
if (workspace == current) {
DLOG("Not switching, already there.\n");
return;
}
/* Used to correctly update focus when pushing sticky windows. Holds the
* previously focused container in the same output as workspace. For
* example, if a sticky window is focused and then we switch focus to a
* workspace in another output and then switch to a third workspace in the
* first output, the sticky window needs to be refocused. */
Con *old_focus = old ? con_descend_focused(old) : NULL;
/* 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.
* 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);
previous_workspace_name = sstrdup(current->name);
DLOG("Setting previous_workspace_name = %s\n", previous_workspace_name);
}
workspace_reassign_sticky(workspace);
DLOG("switching to %p / %s\n", workspace, workspace->name);
Con *next = con_descend_focused(workspace);
/* Memorize current output */
Con *old_output = con_get_output(focused);
/* Display urgency hint for a while if the newly visible workspace would
* 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
* the timer callback in case the container is focused at the time of
* its expiration */
focused->urgent = true;
workspace->urgent = true;
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(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);
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);
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_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. */
if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
/* 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);
yajl_gen gen = ipc_marshal_workspace_event("empty", old, NULL);
tree_close_internal(old, DONT_KILL_WINDOW, 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);
/* Avoid calling output_push_sticky_windows later with a freed container. */
if (old == old_focus) {
old_focus = NULL;
}
ewmh_update_desktop_properties();
}
}
workspace->fullscreen_mode = CF_OUTPUT;
LOG("focused now = %p / %s\n", focused, focused->name);
/* Set mouse pointer */
Con *new_output = con_get_output(focused);
if (old_output != new_output) {
x_set_warp_to(&next->rect);
}
/* Update the EWMH hints */
ewmh_update_current_desktop();
/* Push any sticky windows to the now visible workspace. */
output_push_sticky_windows(old_focus);
}
/*
* Looks up the workspace by name and switches to it.
*
*/
void workspace_show_by_name(const char *num) {
workspace_show(workspace_get(num));
}
/*
* Focuses the next workspace.
*
*/
Con *workspace_next(void) {
Con *current = con_get_workspace(focused);
Con *next = NULL, *first = NULL, *first_opposite = NULL;
Con *output;
if (current->num == -1) {
/* If currently a named workspace, find next named workspace. */
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. */
if (con_is_internal(output))
continue;
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 = true;
} else if (child->num == -1 && found_current) {
next = child;
return 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))
continue;
NODES_FOREACH (output_get_content(output)) {
if (child->type != CT_WORKSPACE)
continue;
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;
}
}
}
if (!next)
next = first_opposite ? first_opposite : first;
return next;
}
/*
* Focuses the previous workspace.
*
*/
Con *workspace_prev(void) {
Con *current = con_get_workspace(focused);
Con *prev = NULL, *first_opposite = NULL, *last = NULL;
Con *output;
if (current->num == -1) {
/* If named workspace, find previous named workspace. */
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) {
/* 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 || (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
* the relative order between the list of workspaces. */
if (current->num > child->num && (!prev || child->num > prev->num))
prev = child;
}
}
}
if (!prev)
prev = first_opposite ? first_opposite : last;
return prev;
}
/*
* Focuses the next workspace on the same output.
*
*/
Con *workspace_next_on_output(void) {
Con *current = con_get_workspace(focused);
Con *next = NULL;
Con *output = con_get_output(focused);
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. */
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) {
bool found_current = false;
NODES_FOREACH (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)) {
next = child;
goto workspace_next_on_output_end;
}
}
}
/* Find first workspace. */
if (!next) {
NODES_FOREACH (output_get_content(output)) {
if (child->type != CT_WORKSPACE)
continue;
if (!next || (child->num != -1 && child->num < next->num))
next = child;
}
}
workspace_next_on_output_end:
return next;
}
/*
* Focuses the previous workspace on same output.
*
*/
Con *workspace_prev_on_output(void) {
Con *current = con_get_workspace(focused);
Con *prev = NULL;
Con *output = con_get_output(focused);
DLOG("output = %s\n", output->name);
if (current->num == -1) {
/* If named workspace, find previous named workspace. */
prev = TAILQ_PREV(current, nodes_head, nodes);
if (prev && prev->num != -1)
prev = NULL;
} else {
/* If numbered workspace, find previous numbered workspace. */
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
* 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))
prev = child;
}
}
/* Find previous named workspace. */
if (!prev) {
bool found_current = false;
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_on_output_end;
}
}
}
/* Find last workspace. */
if (!prev) {
NODES_FOREACH_REVERSE (output_get_content(output)) {
if (child->type != CT_WORKSPACE)
continue;
if (!prev || child->num > prev->num)
prev = child;
}
}
workspace_prev_on_output_end:
return prev;
}
/*
* Focuses the previously focused workspace.
*
*/
void workspace_back_and_forth(void) {
if (!previous_workspace_name) {
DLOG("No previous workspace name set. Not switching.\n");
return;
}
workspace_show_by_name(previous_workspace_name);
}
/*
* Returns the previously focused workspace con, or NULL if unavailable.
*
*/
Con *workspace_back_and_forth_get(void) {
if (!previous_workspace_name) {
DLOG("No previous workspace name set.\n");
return NULL;
}
return workspace_get(previous_workspace_name);
}
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;
}
}
TAILQ_FOREACH (child, &(con->floating_head), floating_windows) {
if (child->urgent || get_urgency_flag(child)) {
return true;
}
}
return false;
}
/*
* Goes through all clients on the given workspace and updates the workspace’s
* urgent flag accordingly.
*
*/
void workspace_update_urgent_flag(Con *ws) {
bool old_flag = ws->urgent;
ws->urgent = get_urgency_flag(ws);
DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
if (old_flag != ws->urgent)
ipc_send_workspace_event("urgent", ws, NULL);
}
/*
* 'Forces' workspace orientation by moving all cons into a new split-con with
* the same layout as the workspace and then changing the workspace layout.
*
*/
void ws_force_orientation(Con *ws, orientation_t orientation) {
/* 1: create a new split container */
Con *split = con_new(NULL, NULL);
split->parent = ws;
/* 2: copy layout from workspace */
split->layout = ws->layout;
/* 3: move the existing cons of this workspace below the new con */
Con **focus_order = get_focus_order(ws);
DLOG("Moving cons\n");
while (!TAILQ_EMPTY(&(ws->nodes_head))) {
Con *child = TAILQ_FIRST(&(ws->nodes_head));
con_detach(child);
con_attach(child, split, true);
}
set_focus_order(split, focus_order);
free(focus_order);
/* 4: switch workspace layout */
ws->layout = (orientation == HORIZ) ? L_SPLITH : L_SPLITV;
DLOG("split->layout = %d, ws->layout = %d\n", split->layout, ws->layout);
/* 5: attach the new split container to the workspace */
DLOG("Attaching new split (%p) to ws (%p)\n", split, ws);
con_attach(split, ws, false);
/* 6: fix the percentages */
con_fix_percent(ws);
}
/*
* Called when a new con (with a window, not an empty or split con) should be
* attached to the workspace (for example when managing a new window or when
* moving an existing window to the workspace level).
*
* Depending on the workspace_layout setting, this function either returns the
* workspace itself (default layout) or creates a new stacked/tabbed con and
* returns that.
*
*/
Con *workspace_attach_to(Con *ws) {
DLOG("Attaching a window to workspace %p / %s\n", ws, ws->name);
if (ws->workspace_layout == L_DEFAULT) {
DLOG("Default layout, just attaching it to the workspace itself.\n");
return ws;
}
DLOG("Non-default layout, creating a new split container\n");
/* 1: create a new split container */
Con *new = con_new(NULL, NULL);
new->parent = ws;
/* 2: set the requested layout on the split con */
new->layout = ws->workspace_layout;
/* 4: attach the new split container to the workspace */
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;
}
/*
* Creates a new container and re-parents all of children from the given
* workspace into it.
*
* The container inherits the layout from the workspace.
*/
Con *workspace_encapsulate(Con *ws) {
if (TAILQ_EMPTY(&(ws->nodes_head))) {
ELOG("Workspace %p / %s has no children to encapsulate\n", ws, ws->name);
return NULL;
}
Con *new = con_new(NULL, NULL);
new->parent = ws;
new->layout = ws->layout;
Con **focus_order = get_focus_order(ws);
DLOG("Moving children of workspace %p / %s into container %p\n",
ws, ws->name, new);
Con *child;
while (!TAILQ_EMPTY(&(ws->nodes_head))) {
child = TAILQ_FIRST(&(ws->nodes_head));
con_detach(child);
con_attach(child, new, true);
}
set_focus_order(new, focus_order);
free(focus_order);
con_attach(new, ws, true);
return new;
}
/*
* Move the given workspace to the specified output.
*/
void workspace_move_to_output(Con *ws, Output *output) {
DLOG("Moving workspace %p / %s to output %p / \"%s\".\n", ws, ws->name, output, output_primary_name(output));
Output *current_output = get_output_for_con(ws);
Con *content = output_get_content(output->con);
DLOG("got output %p with content %p\n", output, content);
if (ws->parent == content) {
DLOG("Nothing to do, workspace already there\n");
return;
}
Con *previously_visible_ws = TAILQ_FIRST(&(content->focus_head));
if (previously_visible_ws) {
DLOG("Previously visible workspace = %p / %s\n", previously_visible_ws, previously_visible_ws->name);
} else {
DLOG("No previously visible workspace on output.\n");
}
bool workspace_was_visible = workspace_is_visible(ws);
if (con_num_children(ws->parent) == 1) {
DLOG("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 (!output_triggers_assignment(current_output, assignment)) {
continue;
}
/* check if this workspace's name or num is already attached to the tree */
const int num = ws_name_to_number(assignment->name);
const bool attached = (num == -1)
? get_existing_workspace_by_name(assignment->name)
: get_existing_workspace_by_num(num);
if (attached) {
continue;
}
/* so create the workspace referenced to by this assignment */
DLOG("Creating workspace from assignment %s.\n", assignment->name);
workspace_get(assignment->name);
used_assignment = true;
break;
}
/* if we couldn't create the workspace using an assignment, create it on
* the output. Workspace init IPC events are sent either by
* workspace_get or create_workspace_on_output. */
if (!used_assignment) {
create_workspace_on_output(current_output, ws->parent);
}
}
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));
DLOG("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);
}
ewmh_update_desktop_properties();
if (!previously_visible_ws) {
return;
}
/* 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;
}
}