2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
7 * workspace.c: Functions for modifying workspaces
15 * Returns a pointer to the workspace with the given number (starting at 0),
16 * creating the workspace if necessary (by allocating the necessary amount of
17 * memory and initializing the data structures correctly).
20 Con *workspace_get(const char *num) {
21 Con *output, *workspace = NULL, *child;
23 /* TODO: could that look like this in the future?
24 GET_MATCHING_NODE(workspace, croot, strcasecmp(current->name, num) != 0);
26 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
27 TAILQ_FOREACH(child, &(output_get_content(output)->nodes_head), nodes) {
28 if (strcasecmp(child->name, num) != 0)
35 LOG("getting ws %s\n", num);
36 if (workspace == NULL) {
37 LOG("need to create this one\n");
38 output = con_get_output(focused);
39 Con *content = output_get_content(output);
40 LOG("got output %p with content %p\n", output, content);
41 /* We need to attach this container after setting its type. con_attach
42 * will handle CT_WORKSPACEs differently */
43 workspace = con_new(NULL);
45 asprintf(&name, "[i3 con] workspace %s", num);
46 x_set_name(workspace, name);
48 workspace->type = CT_WORKSPACE;
49 FREE(workspace->name);
50 workspace->name = sstrdup(num);
51 /* We set ->num to the number if this workspace’s name consists only of
52 * a positive number. Otherwise it’s a named ws and num will be -1. */
54 long parsed_num = strtol(num, &end, 10);
55 if (parsed_num == LONG_MIN ||
56 parsed_num == LONG_MAX ||
58 (end && *end != '\0'))
60 else workspace->num = parsed_num;
61 LOG("num = %d\n", workspace->num);
62 workspace->orientation = HORIZ;
63 con_attach(workspace, content, false);
65 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
68 //ewmh_update_workarea();
76 * Sets the name (or just its number) for the given workspace. This has to
77 * be called for every workspace as the rendering function
78 * (render_internal_bar) relies on workspace->name and workspace->name_len
82 void workspace_set_name(Workspace *ws, const char *name) {
87 ret = asprintf(&label, "%d: %s", ws->num + 1, name);
88 else ret = asprintf(&label, "%d", ws->num + 1);
91 errx(1, "asprintf() failed");
96 ws->name = convert_utf8_to_ucs2(label, &(ws->name_len));
97 if (config.font != NULL)
98 ws->text_width = predict_text_width(global_conn, config.font, ws->name, ws->name_len);
99 else ws->text_width = 0;
100 ws->utf8_name = label;
105 * Returns true if the workspace is currently visible. Especially important for
106 * multi-monitor environments, as they can have multiple currenlty active
110 bool workspace_is_visible(Con *ws) {
111 Con *output = con_get_output(ws);
114 Con *fs = con_get_fullscreen_con(output);
115 LOG("workspace visible? fs = %p, ws = %p\n", fs, ws);
120 * XXX: we need to clean up all this recursive walking code.
123 Con *_get_sticky(Con *con, const char *sticky_group, Con *exclude) {
126 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
127 if (current != exclude &&
128 current->sticky_group != NULL &&
129 current->window != NULL &&
130 strcmp(current->sticky_group, sticky_group) == 0)
133 Con *recurse = _get_sticky(current, sticky_group, exclude);
138 TAILQ_FOREACH(current, &(con->floating_head), floating_windows) {
139 if (current != exclude &&
140 current->sticky_group != NULL &&
141 current->window != NULL &&
142 strcmp(current->sticky_group, sticky_group) == 0)
145 Con *recurse = _get_sticky(current, sticky_group, exclude);
154 * Reassigns all child windows in sticky containers. Called when the user
155 * changes workspaces.
157 * XXX: what about sticky containers which contain containers?
160 static void workspace_reassign_sticky(Con *con) {
162 /* 1: go through all containers */
164 /* handle all children and floating windows of this node */
165 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
166 if (current->sticky_group == NULL) {
167 workspace_reassign_sticky(current);
171 LOG("Ah, this one is sticky: %s / %p\n", current->name, current);
172 /* 2: find a window which we can re-assign */
173 Con *output = con_get_output(current);
174 Con *src = _get_sticky(output, current->sticky_group, current);
177 LOG("No window found for this sticky group\n");
178 workspace_reassign_sticky(current);
182 x_move_win(src, current);
183 current->window = src->window;
184 current->mapped = true;
188 x_reparent_child(current, src);
190 LOG("re-assigned window from src %p to dest %p\n", src, current);
193 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
194 workspace_reassign_sticky(current);
198 * Switches to the given workspace
201 void workspace_show(const char *num) {
202 Con *workspace, *current, *old;
204 workspace = workspace_get(num);
206 /* disable fullscreen for the other workspaces and get the workspace we are
208 TAILQ_FOREACH(current, &(workspace->parent->nodes_head), nodes) {
209 if (current->fullscreen_mode == CF_OUTPUT)
211 current->fullscreen_mode = CF_NONE;
214 /* Check if the the currently focused con is on the same Output as the
215 * workspace we chose as 'old'. If not, use the workspace of the currently
217 Con *ws = con_get_workspace(focused);
218 if (ws && ws->parent != old->parent)
221 /* enable fullscreen for the target workspace. If it happens to be the
222 * same one we are currently on anyways, we can stop here. */
223 workspace->fullscreen_mode = CF_OUTPUT;
224 if (workspace == old)
227 workspace_reassign_sticky(workspace);
229 LOG("switching to %p\n", workspace);
230 Con *next = con_descend_focused(workspace);
232 if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
233 /* check if this workspace is currently visible */
234 if (!workspace_is_visible(old)) {
235 LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
236 tree_close(old, false, false);
237 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
242 workspace->fullscreen_mode = CF_OUTPUT;
243 LOG("focused now = %p / %s\n", focused, focused->name);
245 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
248 /* Check if the workspace has not been used yet */
249 workspace_initialize(t_ws, c_ws->output, false);
251 if (c_ws->output != t_ws->output) {
252 /* We need to switch to the other output first */
253 DLOG("moving over to other output.\n");
255 /* Store the old client */
256 Client *old_client = CUR_CELL->currently_focused;
258 c_ws = t_ws->output->current_workspace;
259 current_col = c_ws->current_col;
260 current_row = c_ws->current_row;
261 if (CUR_CELL->currently_focused != NULL)
264 Rect *dims = &(c_ws->output->rect);
265 xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0,
266 dims->x + (dims->width / 2), dims->y + (dims->height / 2));
269 /* Re-decorate the old client, it’s not focused anymore */
270 if ((old_client != NULL) && !old_client->dock)
271 redecorate_window(conn, old_client);
272 else xcb_flush(conn);
274 /* We need to check if a global fullscreen-client is blocking
275 * the t_ws and if necessary switch that to local fullscreen */
276 Client* client = c_ws->fullscreen_client;
277 if (client != NULL && client->workspace != c_ws) {
278 if (c_ws->fullscreen_client->workspace != c_ws)
279 c_ws->fullscreen_client = NULL;
280 client_enter_fullscreen(conn, client, false);
284 /* Check if we need to change something or if we’re already there */
285 if (c_ws->output->current_workspace->num == (workspace-1)) {
286 Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
287 if (last_focused != SLIST_END(&(c_ws->focus_stack)))
288 set_focus(conn, last_focused, true);
290 client_warp_pointer_into(conn, last_focused);
294 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
299 Workspace *old_workspace = c_ws;
300 c_ws = t_ws->output->current_workspace = workspace_get(workspace-1);
302 /* Unmap all clients of the old workspace */
303 workspace_unmap_clients(conn, old_workspace);
305 current_row = c_ws->current_row;
306 current_col = c_ws->current_col;
307 DLOG("new current row = %d, current col = %d\n", current_row, current_col);
309 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
311 workspace_map_clients(conn, c_ws);
313 /* POTENTIAL TO IMPROVE HERE: due to the call to _map_clients first and
314 * render_layout afterwards, there is a short flickering on the source
315 * workspace (assign ws 3 to output 0, ws 4 to output 1, create single
316 * client on ws 4, move it to ws 3, switch to ws 3, you’ll see the
319 /* Restore focus on the new workspace */
320 Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
321 if (last_focused != SLIST_END(&(c_ws->focus_stack)))
322 set_focus(conn, last_focused, true);
323 else xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
327 /* We can warp the pointer only after the window has been
328 * reconfigured in render_layout, otherwise the pointer will
329 * be warped to the old position, which will not work when we
330 * moved it to another output. */
331 if (last_focused != SLIST_END(&(c_ws->focus_stack)) && need_warp) {
332 client_warp_pointer_into(conn, last_focused);
340 * Assigns the given workspace to the given output by correctly updating its
341 * state and reconfiguring all the clients on this workspace.
343 * This is called when initializing a output and when re-assigning it to a
344 * different output which just got available (if you configured it to be on
345 * output 1 and you just plugged in output 1).
348 void workspace_assign_to(Workspace *ws, Output *output, bool hide_it) {
351 bool visible = workspace_is_visible(ws);
355 /* Copy the dimensions from the virtual output */
356 memcpy(&(ws->rect), &(ws->output->rect), sizeof(Rect));
358 ewmh_update_workarea();
360 /* Force reconfiguration for each client on that workspace */
361 SLIST_FOREACH(client, &(ws->focus_stack), focus_clients) {
362 client->force_reconfigure = true;
369 /* Render the workspace to reconfigure the clients. However, they will be visible now, so… */
370 render_workspace(global_conn, output, ws);
372 /* …unless we want to see them at the moment, we should hide that workspace */
373 if (visible && !hide_it)
376 /* however, if this is the current workspace, we only need to adjust
377 * the output’s current_workspace pointer (and must not unmap the
380 DLOG("Need to adjust output->current_workspace...\n");
381 output->current_workspace = c_ws;
382 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
386 workspace_unmap_clients(global_conn, ws);
390 * Initializes the given workspace if it is not already initialized. The given
391 * screen is to be understood as a fallback, if the workspace itself either
392 * was not assigned to a particular screen or cannot be placed there because
393 * the screen is not attached at the moment.
396 void workspace_initialize(Workspace *ws, Output *output, bool recheck) {
399 if (ws->output != NULL && !recheck) {
400 DLOG("Workspace already initialized\n");
404 old_output = ws->output;
406 /* If this workspace has no preferred output or if the output it wants
407 * to be on is not available at the moment, we initialize it with
408 * the output which was given */
409 if (ws->preferred_output == NULL ||
410 (ws->output = get_output_by_name(ws->preferred_output)) == NULL)
413 DLOG("old_output = %p, ws->output = %p\n", old_output, ws->output);
414 /* If the assignment did not change, we do not need to update anything */
415 if (old_output != NULL && ws->output == old_output)
418 workspace_assign_to(ws, ws->output, false);
422 * Gets the first unused workspace for the given screen, taking into account
423 * the preferred_output setting of every workspace (workspace assignments).
426 Workspace *get_first_workspace_for_output(Output *output) {
427 Workspace *result = NULL;
430 TAILQ_FOREACH(ws, workspaces, workspaces) {
431 if (ws->preferred_output == NULL ||
432 get_output_by_name(ws->preferred_output) != output)
439 if (result == NULL) {
440 /* No assignment found, returning first unused workspace */
441 TAILQ_FOREACH(ws, workspaces, workspaces) {
442 if (ws->output != NULL)
450 if (result == NULL) {
451 DLOG("No existing free workspace found to assign, creating a new one\n");
454 TAILQ_FOREACH(ws, workspaces, workspaces)
456 result = workspace_get(last_ws + 1);
459 workspace_initialize(result, output, false);
465 static bool get_urgency_flag(Con *con) {
467 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
468 if (child->urgent || get_urgency_flag(child))
471 TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
472 if (child->urgent || get_urgency_flag(child))
479 * Goes through all clients on the given workspace and updates the workspace’s
480 * urgent flag accordingly.
483 void workspace_update_urgent_flag(Con *ws) {
484 bool old_flag = ws->urgent;
485 ws->urgent = get_urgency_flag(ws);
486 DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
488 if (old_flag != ws->urgent)
489 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
493 * 'Forces' workspace orientation by moving all cons into a new split-con with
494 * the same orientation as the workspace and then changing the workspace
498 void ws_force_orientation(Con *ws, orientation_t orientation) {
499 /* 1: create a new split container */
500 Con *split = con_new(NULL);
503 /* 2: copy layout and orientation from workspace */
504 split->layout = ws->layout;
505 split->orientation = ws->orientation;
507 Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
509 /* 3: move the existing cons of this workspace below the new con */
510 DLOG("Moving cons\n");
511 while (!TAILQ_EMPTY(&(ws->nodes_head))) {
512 Con *child = TAILQ_FIRST(&(ws->nodes_head));
514 con_attach(child, split, true);
517 /* 4: switch workspace orientation */
518 ws->orientation = orientation;
520 /* 5: attach the new split container to the workspace */
521 DLOG("Attaching new split to ws\n");
522 con_attach(split, ws, false);
524 /* 6: fix the percentages */
528 con_focus(old_focused);