*/
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
#include <err.h>
#include "util.h"
#include "i3.h"
#include "config.h"
#include "xcb.h"
+#include "table.h"
+#include "xinerama.h"
+#include "layout.h"
+#include "workspace.h"
+#include "client.h"
+#include "log.h"
+#include "ewmh.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 *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);
+ }
+ DLOG("done\n");
+
+ ewmh_update_workarea();
+
+ return ws;
+}
/*
* Sets the name (or just its number) for the given workspace. This has to
FREE(ws->name);
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);
+ 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);
}
*
*/
bool workspace_is_visible(Workspace *ws) {
- return (ws->screen->current_workspace == ws->num);
+ return (ws->screen->current_workspace == ws);
+}
+
+/*
+ * 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);
+
+ DLOG("show_workspace(%d)\n", workspace);
+
+ /* Store current_row/current_col */
+ c_ws->current_row = current_row;
+ c_ws->current_col = current_col;
+
+ /* Check if the workspace has not been used yet */
+ workspace_initialize(t_ws, c_ws->screen, false);
+
+ if (c_ws->screen != t_ws->screen) {
+ /* We need to switch to the other screen first */
+ DLOG("moving over to other screen.\n");
+
+ /* Store the old client */
+ Client *old_client = CUR_CELL->currently_focused;
+
+ c_ws = t_ws->screen->current_workspace;
+ current_col = c_ws->current_col;
+ current_row = c_ws->current_row;
+ if (CUR_CELL->currently_focused != NULL)
+ need_warp = true;
+ else {
+ Rect *dims = &(c_ws->screen->rect);
+ xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0,
+ dims->x + (dims->width / 2), dims->y + (dims->height / 2));
+ }
+
+ /* Re-decorate the old client, it’s not focused anymore */
+ if ((old_client != NULL) && !old_client->dock)
+ redecorate_window(conn, old_client);
+ else xcb_flush(conn);
+ }
+
+ /* Check if we need to change something or if we’re already there */
+ if (c_ws->screen->current_workspace->num == (workspace-1)) {
+ Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
+ if (last_focused != SLIST_END(&(c_ws->focus_stack)))
+ set_focus(conn, last_focused, true);
+ if (need_warp) {
+ client_warp_pointer_into(conn, last_focused);
+ xcb_flush(conn);
+ }
+
+ return;
+ }
+
+ Workspace *old_workspace = c_ws;
+ c_ws = t_ws->screen->current_workspace = workspace_get(workspace-1);
+
+ /* Unmap all clients of the old workspace */
+ workspace_unmap_clients(conn, old_workspace);
+
+ current_row = c_ws->current_row;
+ current_col = c_ws->current_col;
+ DLOG("new current row = %d, current col = %d\n", current_row, current_col);
+
+ workspace_map_clients(conn, c_ws);
+
+ /* POTENTIAL TO IMPROVE HERE: due to the call to _map_clients first and
+ * render_layout afterwards, there is a short flickering on the source
+ * workspace (assign ws 3 to screen 0, ws 4 to screen 1, create single
+ * client on ws 4, move it to ws 3, switch to ws 3, you’ll see the
+ * flickering). */
+
+ /* Restore focus on the new workspace */
+ Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
+ if (last_focused != SLIST_END(&(c_ws->focus_stack)))
+ set_focus(conn, last_focused, true);
+ else xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
+
+ render_layout(conn);
+
+ /* We can warp the pointer only after the window has been
+ * reconfigured in render_layout, otherwise the pointer will
+ * be warped to the old position, which will not work when we
+ * moved it to another screen. */
+ if (last_focused != SLIST_END(&(c_ws->focus_stack)) && need_warp) {
+ client_warp_pointer_into(conn, last_focused);
+ xcb_flush(conn);
+ }
+}
+
+
+/*
+ * Parses the preferred_screen property of a workspace. You can either specify
+ * the screen number (it is not given that the screen numbering always stays
+ * the same) or the screen coordinates (exact coordinates, e.g. 1280 will match
+ * the screen starting at x=1280, but 1281 will not). For coordinates, you can
+ * either specify an x coordinate ("1280") or an y coordinate ("x800") or both
+ * ("1280x800").
+ *
+ */
+static i3Screen *get_screen_from_preference(struct screens_head *slist, char *preference) {
+ i3Screen *screen;
+ char *rest;
+ int preferred_screen = strtol(preference, &rest, 10);
+
+ DLOG("Getting screen for preference \"%s\" (%d)\n", preference, preferred_screen);
+
+ if ((rest == preference) || (preferred_screen >= num_screens)) {
+ int x = INT_MAX, y = INT_MAX;
+ if (strchr(preference, 'x') != NULL) {
+ /* Check if only the y coordinate was specified */
+ if (*preference == 'x')
+ y = atoi(preference+1);
+ else {
+ x = atoi(preference);
+ y = atoi(strchr(preference, 'x') + 1);
+ }
+ } else {
+ x = atoi(preference);
+ }
+
+ DLOG("Looking for screen at %d x %d\n", x, y);
+
+ TAILQ_FOREACH(screen, slist, screens)
+ if ((x == INT_MAX || screen->rect.x == x) &&
+ (y == INT_MAX || screen->rect.y == y)) {
+ DLOG("found %p\n", screen);
+ return screen;
+ }
+
+ DLOG("none found\n");
+ return NULL;
+ } else {
+ int c = 0;
+ TAILQ_FOREACH(screen, slist, screens)
+ if (c++ == preferred_screen)
+ return screen;
+ }
+
+ return NULL;
+}
+
+/*
+ * Assigns the given workspace to the given screen by correctly updating its
+ * state and reconfiguring all the clients on this workspace.
+ *
+ * This is called when initializing a screen and when re-assigning it to a
+ * different screen which just got available (if you configured it to be on
+ * screen 1 and you just plugged in screen 1).
+ *
+ */
+void workspace_assign_to(Workspace *ws, i3Screen *screen) {
+ Client *client;
+ bool empty = true;
+
+ ws->screen = screen;
+
+ /* Copy the dimensions from the virtual screen */
+ memcpy(&(ws->rect), &(ws->screen->rect), sizeof(Rect));
+
+ ewmh_update_workarea();
+
+ /* Force reconfiguration for each client on that workspace */
+ FOR_TABLE(ws)
+ CIRCLEQ_FOREACH(client, &(ws->table[cols][rows]->clients), clients) {
+ client->force_reconfigure = true;
+ empty = false;
+ }
+
+ if (empty)
+ return;
+
+ /* Render the workspace to reconfigure the clients. However, they will be visible now, so… */
+ render_workspace(global_conn, screen, ws);
+
+ /* …unless we want to see them at the moment, we should hide that workspace */
+ if (workspace_is_visible(ws))
+ return;
+
+ workspace_unmap_clients(global_conn, ws);
+
+ if (c_ws == ws) {
+ DLOG("Need to adjust c_ws...\n");
+ c_ws = screen->current_workspace;
+ }
+}
+
+/*
+ * Initializes the given workspace if it is not already initialized. The given
+ * screen is to be understood as a fallback, if the workspace itself either
+ * was not assigned to a particular screen or cannot be placed there because
+ * the screen is not attached at the moment.
+ *
+ */
+void workspace_initialize(Workspace *ws, i3Screen *screen, bool recheck) {
+ i3Screen *old_screen;
+
+ if (ws->screen != NULL && !recheck) {
+ DLOG("Workspace already initialized\n");
+ return;
+ }
+
+ old_screen = ws->screen;
+
+ /* If this workspace has no preferred screen or if the screen it wants
+ * to be on is not available at the moment, we initialize it with
+ * the screen which was given */
+ if (ws->preferred_screen == NULL ||
+ (ws->screen = get_screen_from_preference(virtual_screens, ws->preferred_screen)) == NULL)
+ ws->screen = screen;
+
+ DLOG("old_screen = %p, ws->screen = %p\n", old_screen, ws->screen);
+ /* If the assignment did not change, we do not need to update anything */
+ if (old_screen != NULL && ws->screen == old_screen)
+ return;
+
+ workspace_assign_to(ws, ws->screen);
+}
+
+/*
+ * Gets the first unused workspace for the given screen, taking into account
+ * the preferred_screen setting of every workspace (workspace assignments).
+ *
+ */
+Workspace *get_first_workspace_for_screen(struct screens_head *slist, i3Screen *screen) {
+ Workspace *result = NULL;
+
+ Workspace *ws;
+ TAILQ_FOREACH(ws, workspaces, workspaces) {
+ if (ws->preferred_screen == NULL ||
+ !screens_are_equal(get_screen_from_preference(slist, ws->preferred_screen), screen))
+ continue;
+
+ result = ws;
+ break;
+ }
+
+ if (result == NULL) {
+ /* No assignment found, returning first unused workspace */
+ Workspace *ws;
+ TAILQ_FOREACH(ws, workspaces, workspaces) {
+ if (ws->screen != NULL)
+ continue;
+
+ result = ws;
+ break;
+ }
+ }
+
+ 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);
+ }
+
+ workspace_initialize(result, screen, 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);
+
+ /* Map all clients on the new workspace */
+ FOR_TABLE(ws)
+ CIRCLEQ_FOREACH(client, &(ws->table[cols][rows]->clients), clients)
+ client_map(conn, client);
+
+ /* Map all floating clients */
+ if (!ws->floating_hidden)
+ TAILQ_FOREACH(client, &(ws->floating_clients), floating_clients)
+ client_map(conn, client);
+
+ /* 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);
+}
+
+/*
+ * 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.
+ *
+ */
+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->screen->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->screen = 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);
+
+ ignore_enter_notify_forall(conn, u_ws, false);
+}
+
+/*
+ * Goes through all clients on the given workspace and updates the workspace’s
+ * urgent flag accordingly.
+ *
+ */
+void workspace_update_urgent_flag(Workspace *ws) {
+ Client *current;
+
+ SLIST_FOREACH(current, &(ws->focus_stack), focus_clients) {
+ if (!current->urgent)
+ continue;
+
+ ws->urgent = true;
+ return;
+ }
+
+ ws->urgent = false;
+}
+
+/*
+ * Returns the width of the workspace.
+ *
+ */
+int workspace_width(Workspace *ws) {
+ return ws->rect.width;
+}
+
+/*
+ * 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);
+
+ /* Reserve space for dock clients */
+ Client *client;
+ SLIST_FOREACH(client, &(ws->screen->dock_clients), dock_clients)
+ height -= client->desired_height;
+
+ /* Space for the internal bar */
+ height -= (font->height + 6);
+
+ return height;
}
projects / i3 / i3 / blobdiff