/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- *
- * © 2009-2010 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
*
* workspace.c: Functions for modifying workspaces
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <limits.h>
-#include <err.h>
-
-#include "util.h"
-#include "data.h"
-#include "i3.h"
-#include "config.h"
-#include "xcb.h"
-#include "table.h"
-#include "randr.h"
-#include "layout.h"
-#include "workspace.h"
-#include "client.h"
-#include "log.h"
-#include "ewmh.h"
+
+#include "all.h"
/*
* Returns a pointer to the workspace with the given number (starting at 0),
* memory and initializing the data structures correctly).
*
*/
-Workspace *workspace_get(int number) {
- Workspace *ws = NULL;
- TAILQ_FOREACH(ws, workspaces, workspaces)
- if (ws->num == number)
- return ws;
-
- /* If we are still there, we could not find the requested workspace. */
- int last_ws = TAILQ_LAST(workspaces, workspaces_head)->num;
-
- DLOG("We need to initialize that one, last ws = %d\n", last_ws);
-
- for (int c = last_ws; c < number; c++) {
- DLOG("Creating new ws\n");
-
- ws = scalloc(sizeof(Workspace));
- ws->num = c+1;
- TAILQ_INIT(&(ws->floating_clients));
- expand_table_cols(ws);
- expand_table_rows(ws);
- workspace_set_name(ws, NULL);
-
- TAILQ_INSERT_TAIL(workspaces, ws, workspaces);
+Con *workspace_get(const char *num, bool *created) {
+ Con *output, *workspace = NULL, *child;
+
+ /* TODO: could that look like this in the future?
+ GET_MATCHING_NODE(workspace, croot, strcasecmp(current->name, num) != 0);
+ */
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+ TAILQ_FOREACH(child, &(output_get_content(output)->nodes_head), nodes) {
+ if (strcasecmp(child->name, num) != 0)
+ continue;
+
+ workspace = child;
+ break;
}
- DLOG("done\n");
-
- ewmh_update_workarea();
- return ws;
+ LOG("getting ws %s\n", num);
+ if (workspace == NULL) {
+ LOG("need to create this one\n");
+ output = con_get_output(focused);
+ 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);
+ 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);
+ workspace->orientation = HORIZ;
+ 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;
}
+#if 0
+
/*
* Sets the name (or just its number) for the given workspace. This has to
* be called for every workspace as the rendering function
errx(1, "asprintf() failed");
FREE(ws->name);
+ FREE(ws->utf8_name);
ws->name = convert_utf8_to_ucs2(label, &(ws->name_len));
if (config.font != NULL)
ws->text_width = predict_text_width(global_conn, config.font, ws->name, ws->name_len);
else ws->text_width = 0;
-
- free(label);
+ ws->utf8_name = label;
}
+#endif
/*
* Returns true if the workspace is currently visible. Especially important for
* workspaces.
*
*/
-bool workspace_is_visible(Workspace *ws) {
- return (ws->output->current_workspace == ws);
+bool workspace_is_visible(Con *ws) {
+ Con *output = con_get_output(ws);
+ if (output == NULL)
+ return false;
+ Con *fs = con_get_fullscreen_con(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
*
*/
-void workspace_show(xcb_connection_t *conn, int workspace) {
- bool need_warp = false;
- xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
- /* t_ws (to workspace) is just a convenience pointer to the workspace we’re switching to */
- Workspace *t_ws = workspace_get(workspace-1);
+void workspace_show(const char *num) {
+ Con *workspace, *current, *old = NULL;
+
+ 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;
+ }
+ assert(old != NULL);
+
+ /* Check if the the currently focused con is on the same Output as the
+ * workspace we chose as 'old'. If not, use the workspace of the currently
+ * focused con */
+ Con *ws = con_get_workspace(focused);
+ if (ws && ws->parent != old->parent)
+ old = ws;
+
+ /* 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 == old)
+ 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, false, false);
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
+ changed_num_workspaces = true;
+ }
+ }
- DLOG("show_workspace(%d)\n", workspace);
+ con_focus(next);
+ workspace->fullscreen_mode = CF_OUTPUT;
+ LOG("focused now = %p / %s\n", focused, focused->name);
- /* Store current_row/current_col */
- c_ws->current_row = current_row;
- c_ws->current_col = current_col;
+ /* 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\"}");
+#if 0
/* Check if the workspace has not been used yet */
workspace_initialize(t_ws, c_ws->output, false);
if ((old_client != NULL) && !old_client->dock)
redecorate_window(conn, old_client);
else xcb_flush(conn);
+
+ /* We need to check if a global fullscreen-client is blocking
+ * the t_ws and if necessary switch that to local fullscreen */
+ Client* client = c_ws->fullscreen_client;
+ if (client != NULL && client->workspace != c_ws) {
+ if (c_ws->fullscreen_client->workspace != c_ws)
+ c_ws->fullscreen_client = NULL;
+ client_enter_fullscreen(conn, client, false);
+ }
}
/* Check if we need to change something or if we’re already there */
xcb_flush(conn);
}
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+
return;
}
current_col = c_ws->current_col;
DLOG("new current row = %d, current col = %d\n", current_row, current_col);
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+
workspace_map_clients(conn, c_ws);
/* POTENTIAL TO IMPROVE HERE: due to the call to _map_clients first and
client_warp_pointer_into(conn, last_focused);
xcb_flush(conn);
}
+#endif
}
+#if 0
/*
* Assigns the given workspace to the given output by correctly updating its
* state and reconfiguring all the clients on this workspace.
* output 1 and you just plugged in output 1).
*
*/
-void workspace_assign_to(Workspace *ws, Output *output) {
+void workspace_assign_to(Workspace *ws, Output *output, bool hide_it) {
Client *client;
bool empty = true;
+ bool visible = workspace_is_visible(ws);
ws->output = output;
render_workspace(global_conn, output, ws);
/* …unless we want to see them at the moment, we should hide that workspace */
- if (workspace_is_visible(ws))
+ if (visible && !hide_it)
return;
- workspace_unmap_clients(global_conn, ws);
-
+ /* however, if this is the current workspace, we only need to adjust
+ * the output’s current_workspace pointer (and must not unmap the
+ * windows) */
if (c_ws == ws) {
- DLOG("Need to adjust c_ws...\n");
- c_ws = output->current_workspace;
+ DLOG("Need to adjust output->current_workspace...\n");
+ output->current_workspace = c_ws;
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+ return;
}
+
+ workspace_unmap_clients(global_conn, ws);
}
/*
if (old_output != NULL && ws->output == old_output)
return;
- workspace_assign_to(ws, ws->output);
+ workspace_assign_to(ws, ws->output, false);
}
/*
* the preferred_output setting of every workspace (workspace assignments).
*
*/
-Workspace *get_first_workspace_for_screen(Output *output) {
+Workspace *get_first_workspace_for_output(Output *output) {
Workspace *result = NULL;
Workspace *ws;
if (result == NULL) {
/* No assignment found, returning first unused workspace */
- Workspace *ws;
TAILQ_FOREACH(ws, workspaces, workspaces) {
if (ws->output != NULL)
continue;
if (result == NULL) {
DLOG("No existing free workspace found to assign, creating a new one\n");
- Workspace *ws;
int last_ws = 0;
TAILQ_FOREACH(ws, workspaces, workspaces)
last_ws = ws->num;
- result = workspace_get(last_ws + 1);
+ result = workspace_get(last_ws + 1, NULL);
}
workspace_initialize(result, output, false);
return result;
}
-/*
- * Maps all clients (and stack windows) of the given workspace.
- *
- */
-void workspace_map_clients(xcb_connection_t *conn, Workspace *ws) {
- Client *client;
-
- ignore_enter_notify_forall(conn, ws, true);
+#endif
- /* Map all clients on the new workspace */
- FOR_TABLE(ws)
- CIRCLEQ_FOREACH(client, &(ws->table[cols][rows]->clients), clients)
- client_map(conn, client);
+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;
- /* Map all floating clients */
- if (!ws->floating_hidden)
- TAILQ_FOREACH(client, &(ws->floating_clients), floating_clients)
- client_map(conn, client);
+ TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
+ if (child->urgent || get_urgency_flag(child))
+ return true;
- /* Map all stack windows, if any */
- struct Stack_Window *stack_win;
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
- if (stack_win->container->workspace == ws)
- xcb_map_window(conn, stack_win->window);
-
- ignore_enter_notify_forall(conn, ws, false);
+ return false;
}
/*
- * Unmaps all clients (and stack windows) of the given workspace.
- *
- * This needs to be called separately when temporarily rendering
- * a workspace which is not the active workspace to force
- * reconfiguration of all clients, like in src/xinerama.c when
- * re-assigning a workspace to another screen.
+ * Goes through all clients on the given workspace and updates the workspace’s
+ * urgent flag accordingly.
*
*/
-void workspace_unmap_clients(xcb_connection_t *conn, Workspace *u_ws) {
- Client *client;
- struct Stack_Window *stack_win;
-
- /* Ignore notify events because they would cause focus to be changed */
- ignore_enter_notify_forall(conn, u_ws, true);
-
- /* Unmap all clients of the given workspace */
- int unmapped_clients = 0;
- FOR_TABLE(u_ws)
- CIRCLEQ_FOREACH(client, &(u_ws->table[cols][rows]->clients), clients) {
- DLOG("unmapping normal client %p / %p / %p\n", client, client->frame, client->child);
- client_unmap(conn, client);
- unmapped_clients++;
- }
-
- /* To find floating clients, we traverse the focus stack */
- SLIST_FOREACH(client, &(u_ws->focus_stack), focus_clients) {
- if (!client_is_floating(client))
- continue;
-
- DLOG("unmapping floating client %p / %p / %p\n", client, client->frame, client->child);
-
- client_unmap(conn, client);
- unmapped_clients++;
- }
-
- /* If we did not unmap any clients, the workspace is empty and we can destroy it, at least
- * if it is not the current workspace. */
- if (unmapped_clients == 0 && u_ws != c_ws) {
- /* Re-assign the workspace of all dock clients which use this workspace */
- Client *dock;
- DLOG("workspace %p is empty\n", u_ws);
- SLIST_FOREACH(dock, &(u_ws->output->dock_clients), dock_clients) {
- if (dock->workspace != u_ws)
- continue;
-
- DLOG("Re-assigning dock client to c_ws (%p)\n", c_ws);
- dock->workspace = c_ws;
- }
- u_ws->output = NULL;
- }
-
- /* Unmap the stack windows on the given workspace, if any */
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
- if (stack_win->container->workspace == u_ws)
- xcb_unmap_window(conn, stack_win->window);
+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);
- ignore_enter_notify_forall(conn, u_ws, false);
+ if (old_flag != ws->urgent)
+ ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
}
/*
- * Goes through all clients on the given workspace and updates the workspace’s
- * urgent flag accordingly.
+ * '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 workspace_update_urgent_flag(Workspace *ws) {
- Client *current;
+void ws_force_orientation(Con *ws, orientation_t orientation) {
+ /* 1: create a new split container */
+ Con *split = con_new(NULL);
+ split->parent = ws;
- SLIST_FOREACH(current, &(ws->focus_stack), focus_clients) {
- if (!current->urgent)
- continue;
-
- ws->urgent = true;
- return;
- }
+ /* 2: copy layout and orientation from workspace */
+ split->layout = ws->layout;
+ split->orientation = ws->orientation;
- ws->urgent = false;
-}
+ Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
-/*
- * Returns the width of the workspace.
- *
- */
-int workspace_width(Workspace *ws) {
- return ws->rect.width;
-}
+ /* 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);
+ }
-/*
- * Returns the effective height of the workspace (without the internal bar and
- * without dock clients).
- *
- */
-int workspace_height(Workspace *ws) {
- int height = ws->rect.height;
- i3Font *font = load_font(global_conn, config.font);
+ /* 4: switch workspace orientation */
+ ws->orientation = orientation;
- /* Reserve space for dock clients */
- Client *client;
- SLIST_FOREACH(client, &(ws->output->dock_clients), dock_clients)
- height -= client->desired_height;
+ /* 5: attach the new split container to the workspace */
+ DLOG("Attaching new split to ws\n");
+ con_attach(split, ws, false);
- /* Space for the internal bar */
- height -= (font->height + 6);
+ /* 6: fix the percentages */
+ con_fix_percent(ws);
- return height;
+ if (old_focused)
+ con_focus(old_focused);
}