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
13 * Returns a pointer to the workspace with the given number (starting at 0),
14 * creating the workspace if necessary (by allocating the necessary amount of
15 * memory and initializing the data structures correctly).
18 Con *workspace_get(const char *num, bool *created) {
19 Con *output, *workspace = NULL;
21 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
22 GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, num));
24 if (workspace == NULL) {
25 LOG("Creating new workspace \"%s\"\n", num);
26 /* unless an assignment is found, we will create this workspace on the current output */
27 output = con_get_output(focused);
28 /* look for assignments */
29 struct Workspace_Assignment *assignment;
30 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
31 if (strcmp(assignment->name, num) != 0)
34 LOG("Found workspace assignment to output \"%s\"\n", assignment->output);
35 GREP_FIRST(output, croot, !strcmp(child->name, assignment->output));
38 Con *content = output_get_content(output);
39 LOG("got output %p with content %p\n", output, content);
40 /* We need to attach this container after setting its type. con_attach
41 * will handle CT_WORKSPACEs differently */
42 workspace = con_new(NULL, NULL);
44 asprintf(&name, "[i3 con] workspace %s", num);
45 x_set_name(workspace, name);
47 workspace->type = CT_WORKSPACE;
48 FREE(workspace->name);
49 workspace->name = sstrdup(num);
50 /* We set ->num to the number if this workspace’s name consists only of
51 * a positive number. Otherwise it’s a named ws and num will be -1. */
53 long parsed_num = strtol(num, &end, 10);
54 if (parsed_num == LONG_MIN ||
55 parsed_num == LONG_MAX ||
57 (end && *end != '\0'))
59 else workspace->num = parsed_num;
60 LOG("num = %d\n", workspace->num);
62 /* If default_orientation is set to NO_ORIENTATION we
63 * determine workspace orientation from workspace size.
64 * Otherwise we just set the orientation to default_orientation. */
65 if (config.default_orientation == NO_ORIENTATION) {
66 workspace->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
67 DLOG("Auto orientation. Output resolution set to (%d,%d), setting orientation to %d.\n",
68 workspace->rect.width, workspace->rect.height, workspace->orientation);
70 workspace->orientation = config.default_orientation;
73 con_attach(workspace, content, false);
75 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
79 else if (created != NULL) {
87 * Returns true if the workspace is currently visible. Especially important for
88 * multi-monitor environments, as they can have multiple currenlty active
92 bool workspace_is_visible(Con *ws) {
93 Con *output = con_get_output(ws);
96 Con *fs = con_get_fullscreen_con(output, CF_OUTPUT);
97 LOG("workspace visible? fs = %p, ws = %p\n", fs, ws);
102 * XXX: we need to clean up all this recursive walking code.
105 Con *_get_sticky(Con *con, const char *sticky_group, Con *exclude) {
108 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
109 if (current != exclude &&
110 current->sticky_group != NULL &&
111 current->window != NULL &&
112 strcmp(current->sticky_group, sticky_group) == 0)
115 Con *recurse = _get_sticky(current, sticky_group, exclude);
120 TAILQ_FOREACH(current, &(con->floating_head), floating_windows) {
121 if (current != exclude &&
122 current->sticky_group != NULL &&
123 current->window != NULL &&
124 strcmp(current->sticky_group, sticky_group) == 0)
127 Con *recurse = _get_sticky(current, sticky_group, exclude);
136 * Reassigns all child windows in sticky containers. Called when the user
137 * changes workspaces.
139 * XXX: what about sticky containers which contain containers?
142 static void workspace_reassign_sticky(Con *con) {
144 /* 1: go through all containers */
146 /* handle all children and floating windows of this node */
147 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
148 if (current->sticky_group == NULL) {
149 workspace_reassign_sticky(current);
153 LOG("Ah, this one is sticky: %s / %p\n", current->name, current);
154 /* 2: find a window which we can re-assign */
155 Con *output = con_get_output(current);
156 Con *src = _get_sticky(output, current->sticky_group, current);
159 LOG("No window found for this sticky group\n");
160 workspace_reassign_sticky(current);
164 x_move_win(src, current);
165 current->window = src->window;
166 current->mapped = true;
170 x_reparent_child(current, src);
172 LOG("re-assigned window from src %p to dest %p\n", src, current);
175 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
176 workspace_reassign_sticky(current);
180 * Switches to the given workspace
183 void workspace_show(const char *num) {
184 Con *workspace, *current, *old = NULL;
186 bool changed_num_workspaces;
187 workspace = workspace_get(num, &changed_num_workspaces);
189 /* disable fullscreen for the other workspaces and get the workspace we are
191 TAILQ_FOREACH(current, &(workspace->parent->nodes_head), nodes) {
192 if (current->fullscreen_mode == CF_OUTPUT)
194 current->fullscreen_mode = CF_NONE;
197 /* enable fullscreen for the target workspace. If it happens to be the
198 * same one we are currently on anyways, we can stop here. */
199 workspace->fullscreen_mode = CF_OUTPUT;
200 if (workspace == con_get_workspace(focused)) {
201 DLOG("Not switching, already there.\n");
205 workspace_reassign_sticky(workspace);
207 LOG("switching to %p\n", workspace);
208 Con *next = con_descend_focused(workspace);
210 if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
211 /* check if this workspace is currently visible */
212 if (!workspace_is_visible(old)) {
213 LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
214 tree_close(old, DONT_KILL_WINDOW, false);
215 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
216 changed_num_workspaces = true;
221 workspace->fullscreen_mode = CF_OUTPUT;
222 LOG("focused now = %p / %s\n", focused, focused->name);
224 /* Update the EWMH hints */
225 if (changed_num_workspaces)
226 ewmh_update_workarea();
227 ewmh_update_current_desktop();
229 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
233 * Focuses the next workspace.
236 void workspace_next() {
237 Con *ws = con_get_workspace(focused);
238 Con *next = TAILQ_NEXT(ws, nodes);
240 next = TAILQ_FIRST(&(ws->parent->nodes_head));
242 workspace_show(next->name);
246 * Focuses the previous workspace.
249 void workspace_prev() {
250 Con *ws = con_get_workspace(focused);
251 Con *prev = TAILQ_PREV(ws, nodes_head, nodes);
253 prev = TAILQ_LAST(&(ws->parent->nodes_head), nodes_head);
255 workspace_show(prev->name);
258 static bool get_urgency_flag(Con *con) {
260 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
261 if (child->urgent || get_urgency_flag(child))
264 TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
265 if (child->urgent || get_urgency_flag(child))
272 * Goes through all clients on the given workspace and updates the workspace’s
273 * urgent flag accordingly.
276 void workspace_update_urgent_flag(Con *ws) {
277 bool old_flag = ws->urgent;
278 ws->urgent = get_urgency_flag(ws);
279 DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
281 if (old_flag != ws->urgent)
282 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
286 * 'Forces' workspace orientation by moving all cons into a new split-con with
287 * the same orientation as the workspace and then changing the workspace
291 void ws_force_orientation(Con *ws, orientation_t orientation) {
292 /* 1: create a new split container */
293 Con *split = con_new(NULL, NULL);
296 /* 2: copy layout and orientation from workspace */
297 split->layout = ws->layout;
298 split->orientation = ws->orientation;
300 Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
302 /* 3: move the existing cons of this workspace below the new con */
303 DLOG("Moving cons\n");
304 while (!TAILQ_EMPTY(&(ws->nodes_head))) {
305 Con *child = TAILQ_FIRST(&(ws->nodes_head));
307 con_attach(child, split, true);
310 /* 4: switch workspace orientation */
311 ws->orientation = orientation;
313 /* 5: attach the new split container to the workspace */
314 DLOG("Attaching new split to ws\n");
315 con_attach(split, ws, false);
317 /* 6: fix the percentages */
321 con_focus(old_focused);
325 * Called when a new con (with a window, not an empty or split con) should be
326 * attached to the workspace (for example when managing a new window or when
327 * moving an existing window to the workspace level).
329 * Depending on the workspace_layout setting, this function either returns the
330 * workspace itself (default layout) or creates a new stacked/tabbed con and
334 Con *workspace_attach_to(Con *ws) {
335 DLOG("Attaching a window to workspace %p / %s\n", ws, ws->name);
337 if (config.default_layout == L_DEFAULT) {
338 DLOG("Default layout, just attaching it to the workspace itself.\n");
342 DLOG("Non-default layout, creating a new split container\n");
343 /* 1: create a new split container */
344 Con *new = con_new(NULL, NULL);
347 /* 2: set the requested layout on the split con */
348 new->layout = config.default_layout;
350 /* 3: While the layout is irrelevant in stacked/tabbed mode, it needs
351 * to be set. Otherwise, this con will not be interpreted as a split
353 if (config.default_orientation == NO_ORIENTATION) {
354 new->orientation = (ws->rect.height > ws->rect.width) ? VERT : HORIZ;
356 new->orientation = config.default_orientation;
359 /* 4: attach the new split container to the workspace */
360 DLOG("Attaching new split %p to workspace %p\n", new, ws);
361 con_attach(new, ws, false);