/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
+ * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
*
- * © 2009 Michael Stapelberg and contributors
+ * workspace.c: Functions for modifying workspaces
*
- * See file LICENSE for license information.
+ */
+#include <limits.h>
+
+#include "all.h"
+
+/*
+ * 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).
*
- * workspace.c: Functions for modifying workspaces
+ */
+Con *workspace_get(const char *num, bool *created) {
+ Con *output, *workspace = NULL;
+
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+ GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, num));
+
+ if (workspace == NULL) {
+ LOG("Creating new workspace \"%s\"\n", num);
+ /* unless an assignment is found, we will create this workspace on the current output */
+ 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;
+ }
+ 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
+ * will handle CT_WORKSPACEs differently */
+ workspace = con_new(NULL, NULL);
+ char *name;
+ asprintf(&name, "[i3 con] workspace %s", num);
+ x_set_name(workspace, name);
+ free(name);
+ workspace->type = CT_WORKSPACE;
+ FREE(workspace->name);
+ workspace->name = sstrdup(num);
+ /* We set ->num to the number if this workspace’s name consists only of
+ * a positive number. Otherwise it’s a named ws and num will be -1. */
+ char *end;
+ long parsed_num = strtol(num, &end, 10);
+ if (parsed_num == LONG_MIN ||
+ parsed_num == LONG_MAX ||
+ parsed_num < 0 ||
+ (end && *end != '\0'))
+ workspace->num = -1;
+ else workspace->num = parsed_num;
+ LOG("num = %d\n", workspace->num);
+
+ /* If default_orientation is set to NO_ORIENTATION we
+ * determine workspace orientation from workspace size.
+ * Otherwise we just set the orientation to default_orientation. */
+ if (config.default_orientation == NO_ORIENTATION) {
+ workspace->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
+ DLOG("Auto orientation. Output resolution set to (%d,%d), setting orientation to %d.\n",
+ workspace->rect.width, workspace->rect.height, workspace->orientation);
+ } else {
+ workspace->orientation = config.default_orientation;
+ }
+
+ con_attach(workspace, content, false);
+
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
+ if (created != NULL)
+ *created = true;
+ }
+ else if (created != NULL) {
+ *created = false;
+ }
+
+ return workspace;
+}
+
+/*
+ * Returns true if the workspace is currently visible. Especially important for
+ * multi-monitor environments, as they can have multiple currenlty 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);
+ LOG("workspace visible? fs = %p, ws = %p\n", fs, ws);
+ return (fs == ws);
+}
+
+/*
+ * XXX: we need to clean up all this recursive walking code.
+ *
+ */
+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);
+}
+
+/*
+ * Switches to the given workspace
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <err.h>
+void workspace_show(const char *num) {
+ Con *workspace, *current, *old = NULL;
-#include "util.h"
-#include "data.h"
-#include "i3.h"
-#include "config.h"
-#include "xcb.h"
+ bool changed_num_workspaces;
+ workspace = workspace_get(num, &changed_num_workspaces);
+
+ /* 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;
+ if (workspace == con_get_workspace(focused)) {
+ DLOG("Not switching, already there.\n");
+ return;
+ }
+
+ workspace_reassign_sticky(workspace);
+
+ LOG("switching to %p\n", workspace);
+ Con *next = con_descend_focused(workspace);
+
+ 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);
+ tree_close(old, DONT_KILL_WINDOW, false);
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
+ changed_num_workspaces = true;
+ }
+ }
+
+ con_focus(next);
+ workspace->fullscreen_mode = CF_OUTPUT;
+ LOG("focused now = %p / %s\n", focused, focused->name);
+
+ /* Update the EWMH hints */
+ if (changed_num_workspaces)
+ ewmh_update_workarea();
+ ewmh_update_current_desktop();
+
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+}
/*
- * Sets the name (or just its number) for the given workspace. This has to
- * be called for every workspace as the rendering function
- * (render_internal_bar) relies on workspace->name and workspace->name_len
- * being ready-to-use.
+ * Focuses the next workspace.
*
*/
-void workspace_set_name(Workspace *ws, const char *name) {
- char *label;
- int ret;
+void workspace_next() {
+ Con *ws = con_get_workspace(focused);
+ Con *next = TAILQ_NEXT(ws, nodes);
+ if (!next)
+ next = TAILQ_FIRST(&(ws->parent->nodes_head));
+
+ workspace_show(next->name);
+}
+
+/*
+ * Focuses the previous workspace.
+ *
+ */
+void workspace_prev() {
+ Con *ws = con_get_workspace(focused);
+ Con *prev = TAILQ_PREV(ws, nodes_head, nodes);
+ if (!prev)
+ prev = TAILQ_LAST(&(ws->parent->nodes_head), nodes_head);
+
+ workspace_show(prev->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_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
+}
+
+/*
+ * 'Forces' workspace orientation by moving all cons into a new split-con with
+ * the same orientation as the workspace and then changing the workspace
+ * orientation.
+ *
+ */
+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 and orientation from workspace */
+ split->layout = ws->layout;
+ split->orientation = ws->orientation;
+
+ Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
+
+ /* 3: move the existing cons of this workspace below the new con */
+ 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);
+ }
+
+ /* 4: switch workspace orientation */
+ ws->orientation = orientation;
+
+ /* 5: attach the new split container to the workspace */
+ DLOG("Attaching new split to ws\n");
+ con_attach(split, ws, false);
+
+ /* 6: fix the percentages */
+ con_fix_percent(ws);
+
+ if (old_focused)
+ con_focus(old_focused);
+}
+
+/*
+ * 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 (config.default_layout == L_DEFAULT) {
+ DLOG("Default layout, just attaching it to the workspace itself.\n");
+ return ws;
+ }
- if (name != NULL)
- ret = asprintf(&label, "%d: %s", ws->num + 1, name);
- else ret = asprintf(&label, "%d", ws->num + 1);
+ 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;
- if (ret == -1)
- errx(1, "asprintf() failed");
+ /* 2: set the requested layout on the split con */
+ new->layout = config.default_layout;
- FREE(ws->name);
+ /* 3: While the layout is irrelevant in stacked/tabbed mode, it needs
+ * to be set. Otherwise, this con will not be interpreted as a split
+ * container. */
+ if (config.default_orientation == NO_ORIENTATION) {
+ new->orientation = (ws->rect.height > ws->rect.width) ? VERT : HORIZ;
+ } else {
+ new->orientation = config.default_orientation;
+ }
- ws->name = convert_utf8_to_ucs2(label, &(ws->name_len));
- ws->text_width = predict_text_width(global_conn, config.font, ws->name, ws->name_len);
+ /* 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);
- free(label);
+ return new;
}
projects / i3 / i3 / blobdiff