/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
*
- * © 2009 Michael Stapelberg and contributors
+ * © 2009-2011 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
* util.c: Utility functions, which can be useful everywhere.
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
#include <sys/wait.h>
#include <stdarg.h>
-#include <assert.h>
#include <iconv.h>
+#if defined(__OpenBSD__)
+#include <sys/cdefs.h>
+#endif
+#include <fcntl.h>
+#include <pwd.h>
+#include <yajl/yajl_version.h>
+#include <libgen.h>
-#include <xcb/xcb_icccm.h>
-
-#include "i3.h"
-#include "data.h"
-#include "table.h"
-#include "layout.h"
-#include "util.h"
-#include "xcb.h"
+#include "all.h"
static iconv_t conversion_descriptor = 0;
-struct keyvalue_table_head by_parent = TAILQ_HEAD_INITIALIZER(by_parent);
-struct keyvalue_table_head by_child = TAILQ_HEAD_INITIALIZER(by_child);
int min(int a, int b) {
- return (a < b ? a : b);
+ return (a < b ? a : b);
}
int max(int a, int b) {
- return (a > b ? a : b);
+ return (a > b ? a : b);
}
-/*
- * Logs the given message to stdout while prefixing the current time to it.
- * This is to be called by LOG() which includes filename/linenumber
- *
- */
-void slog(char *fmt, ...) {
- va_list args;
- char timebuf[64];
-
- va_start(args, fmt);
- /* Get current time */
- time_t t = time(NULL);
- /* Convert time to local time (determined by the locale) */
- struct tm *tmp = localtime(&t);
- /* Generate time prefix */
- strftime(timebuf, sizeof(timebuf), "%x %X - ", tmp);
- printf("%s", timebuf);
- vprintf(fmt, args);
- va_end(args);
+bool rect_contains(Rect rect, uint32_t x, uint32_t y) {
+ return (x >= rect.x &&
+ x <= (rect.x + rect.width) &&
+ y >= rect.y &&
+ y <= (rect.y + rect.height));
+}
+
+Rect rect_add(Rect a, Rect b) {
+ return (Rect){a.x + b.x,
+ a.y + b.y,
+ a.width + b.width,
+ a.height + b.height};
}
/*
- * Prints the message (see printf()) to stderr, then exits the program.
+ * Updates *destination with new_value and returns true if it was changed or false
+ * if it was the same
*
*/
-void die(char *fmt, ...) {
- va_list args;
+bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
+ uint32_t old_value = *destination;
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- va_end(args);
-
- exit(EXIT_FAILURE);
+ return ((*destination = new_value) != old_value);
}
/*
*
*/
void *smalloc(size_t size) {
- void *result = malloc(size);
- exit_if_null(result, "Too less memory for malloc(%d)\n", size);
- return result;
+ void *result = malloc(size);
+ exit_if_null(result, "Error: out of memory (malloc(%zd))\n", size);
+ return result;
}
void *scalloc(size_t size) {
- void *result = calloc(size, 1);
- exit_if_null(result, "Too less memory for calloc(%d)\n", size);
- return result;
-}
-
-char *sstrdup(const char *str) {
- char *result = strdup(str);
- exit_if_null(result, "Too less memory for strdup()\n");
- return result;
-}
-
-/*
- * The table_* functions emulate the behaviour of libxcb-wm, which in libxcb 0.3.4 suddenly
- * vanished. Great.
- *
- */
-bool table_put(struct keyvalue_table_head *head, uint32_t key, void *value) {
- struct keyvalue_element *element = scalloc(sizeof(struct keyvalue_element));
- element->key = key;
- element->value = value;
-
- TAILQ_INSERT_TAIL(head, element, elements);
- return true;
+ void *result = calloc(size, 1);
+ exit_if_null(result, "Error: out of memory (calloc(%zd))\n", size);
+ return result;
}
-void *table_remove(struct keyvalue_table_head *head, uint32_t key) {
- struct keyvalue_element *element;
-
- TAILQ_FOREACH(element, head, elements)
- if (element->key == key) {
- void *value = element->value;
- TAILQ_REMOVE(head, element, elements);
- free(element);
- return value;
- }
-
- return NULL;
+void *srealloc(void *ptr, size_t size) {
+ void *result = realloc(ptr, size);
+ if (result == NULL && size > 0)
+ die("Error: out memory (realloc(%zd))\n", size);
+ return result;
}
-void *table_get(struct keyvalue_table_head *head, uint32_t key) {
- struct keyvalue_element *element;
-
- TAILQ_FOREACH(element, head, elements)
- if (element->key == key)
- return element->value;
-
- return NULL;
+char *sstrdup(const char *str) {
+ char *result = strdup(str);
+ exit_if_null(result, "Error: out of memory (strdup())\n");
+ return result;
}
/*
*
*/
void start_application(const char *command) {
+ LOG("executing: %s\n", command);
+ if (fork() == 0) {
+ /* Child process */
+ setsid();
if (fork() == 0) {
- /* Child process */
- if (fork() == 0) {
- /* Stores the path of the shell */
- static const char *shell = NULL;
-
- if (shell == NULL)
- if ((shell = getenv("SHELL")) == NULL)
- shell = "/bin/sh";
-
- /* This is the child */
- execl(shell, shell, "-c", command, NULL);
- /* not reached */
- }
- exit(0);
+ /* Stores the path of the shell */
+ static const char *shell = NULL;
+
+ if (shell == NULL)
+ if ((shell = getenv("SHELL")) == NULL)
+ shell = "/bin/sh";
+
+ /* This is the child */
+ execl(shell, shell, "-c", command, (void*)NULL);
+ /* not reached */
}
- wait(0);
+ exit(0);
+ }
+ wait(0);
+}
+
+/*
+ * exec()s an i3 utility, for example the config file migration script or
+ * i3-nagbar. This function first searches $PATH for the given utility named,
+ * then falls back to the dirname() of the i3 executable path and then falls
+ * back to the dirname() of the target of /proc/self/exe (on linux).
+ *
+ * This function should be called after fork()ing.
+ *
+ * The first argument of the given argv vector will be overwritten with the
+ * executable name, so pass NULL.
+ *
+ * If the utility cannot be found in any of these locations, it exits with
+ * return code 2.
+ *
+ */
+void exec_i3_utility(char *name, char *argv[]) {
+ /* start the migration script, search PATH first */
+ char *migratepath = name;
+ argv[0] = migratepath;
+ execvp(migratepath, argv);
+
+ /* if the script is not in path, maybe the user installed to a strange
+ * location and runs the i3 binary with an absolute path. We use
+ * argv[0]’s dirname */
+ char *pathbuf = strdup(start_argv[0]);
+ char *dir = dirname(pathbuf);
+ asprintf(&migratepath, "%s/%s", dir, name);
+ argv[0] = migratepath;
+ execvp(migratepath, argv);
+
+#if defined(__linux__)
+ /* on linux, we have one more fall-back: dirname(/proc/self/exe) */
+ char buffer[BUFSIZ];
+ if (readlink("/proc/self/exe", buffer, BUFSIZ) == -1) {
+ warn("could not read /proc/self/exe");
+ exit(1);
+ }
+ dir = dirname(buffer);
+ asprintf(&migratepath, "%s/%s", dir, name);
+ argv[0] = migratepath;
+ execvp(migratepath, argv);
+#endif
+
+ warn("Could not start %s", name);
+ exit(2);
}
/*
*
*/
void check_error(xcb_connection_t *conn, xcb_void_cookie_t cookie, char *err_message) {
- xcb_generic_error_t *error = xcb_request_check(conn, cookie);
- if (error != NULL) {
- fprintf(stderr, "ERROR: %s : %d\n", err_message , error->error_code);
- xcb_disconnect(conn);
- exit(-1);
- }
+ xcb_generic_error_t *error = xcb_request_check(conn, cookie);
+ if (error != NULL) {
+ fprintf(stderr, "ERROR: %s (X error %d)\n", err_message , error->error_code);
+ xcb_disconnect(conn);
+ exit(-1);
+ }
}
/*
*
*/
char *convert_utf8_to_ucs2(char *input, int *real_strlen) {
- size_t input_size = strlen(input) + 1;
- /* UCS-2 consumes exactly two bytes for each glyph */
- int buffer_size = input_size * 2;
-
- char *buffer = smalloc(buffer_size);
- size_t output_size = buffer_size;
- /* We need to use an additional pointer, because iconv() modifies it */
- char *output = buffer;
-
- /* We convert the input into UCS-2 big endian */
+ size_t input_size = strlen(input) + 1;
+ /* UCS-2 consumes exactly two bytes for each glyph */
+ int buffer_size = input_size * 2;
+
+ char *buffer = smalloc(buffer_size);
+ size_t output_size = buffer_size;
+ /* We need to use an additional pointer, because iconv() modifies it */
+ char *output = buffer;
+
+ /* We convert the input into UCS-2 big endian */
+ if (conversion_descriptor == 0) {
+ conversion_descriptor = iconv_open("UCS-2BE", "UTF-8");
if (conversion_descriptor == 0) {
- conversion_descriptor = iconv_open("UCS-2BE", "UTF-8");
- if (conversion_descriptor == 0) {
- fprintf(stderr, "error opening the conversion context\n");
- exit(1);
- }
+ fprintf(stderr, "error opening the conversion context\n");
+ exit(1);
}
+ }
- /* Get the conversion descriptor back to original state */
- iconv(conversion_descriptor, NULL, NULL, NULL, NULL);
+ /* Get the conversion descriptor back to original state */
+ iconv(conversion_descriptor, NULL, NULL, NULL, NULL);
- /* Convert our text */
- int rc = iconv(conversion_descriptor, (void*)&input, &input_size, &output, &output_size);
- if (rc == (size_t)-1) {
- perror("Converting to UCS-2 failed");
- *real_strlen = 0;
- return NULL;
- }
+ /* Convert our text */
+ int rc = iconv(conversion_descriptor, (void*)&input, &input_size, &output, &output_size);
+ if (rc == (size_t)-1) {
+ perror("Converting to UCS-2 failed");
+ if (real_strlen != NULL)
+ *real_strlen = 0;
+ return NULL;
+ }
- *real_strlen = ((buffer_size - output_size) / 2) - 1;
+ if (real_strlen != NULL)
+ *real_strlen = ((buffer_size - output_size) / 2) - 1;
- return buffer;
+ return buffer;
}
/*
- * Removes the given client from the container, either because it will be inserted into another
- * one or because it was unmapped
+ * This function resolves ~ in pathnames.
+ * It may resolve wildcards in the first part of the path, but if no match
+ * or multiple matches are found, it just returns a copy of path as given.
*
*/
-void remove_client_from_container(xcb_connection_t *conn, Client *client, Container *container) {
- CIRCLEQ_REMOVE(&(container->clients), client, clients);
-
- SLIST_REMOVE(&(container->workspace->focus_stack), client, Client, focus_clients);
-
- /* If the container will be empty now and is in stacking mode, we need to
- unmap the stack_win */
- if (CIRCLEQ_EMPTY(&(container->clients)) && container->mode == MODE_STACK) {
- struct Stack_Window *stack_win = &(container->stack_win);
- stack_win->rect.height = 0;
- xcb_unmap_window(conn, stack_win->window);
+char *resolve_tilde(const char *path) {
+ static glob_t globbuf;
+ char *head, *tail, *result;
+
+ tail = strchr(path, '/');
+ head = strndup(path, tail ? tail - path : strlen(path));
+
+ int res = glob(head, GLOB_TILDE, NULL, &globbuf);
+ free(head);
+ /* no match, or many wildcard matches are bad */
+ if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1)
+ result = sstrdup(path);
+ else if (res != 0) {
+ die("glob() failed");
+ } else {
+ head = globbuf.gl_pathv[0];
+ result = scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1);
+ strncpy(result, head, strlen(head));
+ if (tail)
+ strncat(result, tail, strlen(tail));
}
+ globfree(&globbuf);
+
+ return result;
}
/*
- * Returns the client which comes next in focus stack (= was selected before) for
- * the given container, optionally excluding the given client.
+ * Checks if the given path exists by calling stat().
*
*/
-Client *get_last_focused_client(xcb_connection_t *conn, Container *container, Client *exclude) {
- Client *current;
- SLIST_FOREACH(current, &(container->workspace->focus_stack), focus_clients)
- if ((current->container == container) && ((exclude == NULL) || (current != exclude)))
- return current;
- return NULL;
+bool path_exists(const char *path) {
+ struct stat buf;
+ return (stat(path, &buf) == 0);
}
/*
- * Sets the given client as focused by updating the data structures correctly,
- * updating the X input focus and finally re-decorating both windows (to signalize
- * the user the new focus situation)
+ * Goes through the list of arguments (for exec()) and checks if the given argument
+ * is present. If not, it copies the arguments (because we cannot realloc it) and
+ * appends the given argument.
*
*/
-void set_focus(xcb_connection_t *conn, Client *client, bool set_anyways) {
- /* The dock window cannot be focused, but enter notifies are still handled correctly */
- if (client->dock)
- return;
-
- /* Store the old client */
- Client *old_client = CUR_CELL->currently_focused;
-
- /* Check if the focus needs to be changed at all */
- if (!set_anyways && (old_client == client)) {
- LOG("old_client == client, not changing focus\n");
- return;
- }
-
- /* Store current_row/current_col */
- c_ws->current_row = current_row;
- c_ws->current_col = current_col;
- c_ws = client->container->workspace;
-
- /* Update container */
- client->container->currently_focused = client;
-
- current_col = client->container->col;
- current_row = client->container->row;
-
- LOG("set_focus(frame %08x, child %08x, name %s)\n", client->frame, client->child, client->name);
- /* Set focus to the entered window, and flush xcb buffer immediately */
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, client->child, XCB_CURRENT_TIME);
- //xcb_warp_pointer(conn, XCB_NONE, client->child, 0, 0, 0, 0, 10, 10);
-
- /* Get the client which was last focused in this particular container, it may be a different
- one than old_client */
- Client *last_focused = get_last_focused_client(conn, client->container, NULL);
-
- /* In stacking containers, raise the client in respect to the one which was focused before */
- if (client->container->mode == MODE_STACK) {
- /* We need to get the client again, this time excluding the current client, because
- * we might have just gone into stacking mode and need to raise */
- Client *last_focused = get_last_focused_client(conn, client->container, client);
-
- if (last_focused != NULL) {
- LOG("raising above frame %p / child %p\n", last_focused->frame, last_focused->child);
- uint32_t values[] = { last_focused->frame, XCB_STACK_MODE_ABOVE };
- xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
- }
- }
-
- /* If it is the same one as old_client, we save us the unnecessary redecorate */
- if ((last_focused != NULL) && (last_focused != old_client))
- redecorate_window(conn, last_focused);
-
- /* If we’re in stacking mode, this renders the container to update changes in the title
- bars and to raise the focused client */
- if ((old_client != NULL) && (old_client != client) && !old_client->dock)
- redecorate_window(conn, old_client);
-
- SLIST_REMOVE(&(client->container->workspace->focus_stack), client, Client, focus_clients);
- SLIST_INSERT_HEAD(&(client->container->workspace->focus_stack), client, focus_clients);
-
- /* redecorate_window flushes, so we don’t need to */
- redecorate_window(conn, client);
+static char **append_argument(char **original, char *argument) {
+ int num_args;
+ for (num_args = 0; original[num_args] != NULL; num_args++) {
+ DLOG("original argument: \"%s\"\n", original[num_args]);
+ /* If the argument is already present we return the original pointer */
+ if (strcmp(original[num_args], argument) == 0)
+ return original;
+ }
+ /* Copy the original array */
+ char **result = smalloc((num_args+2) * sizeof(char*));
+ memcpy(result, original, num_args * sizeof(char*));
+ result[num_args] = argument;
+ result[num_args+1] = NULL;
+
+ return result;
}
/*
- * Called when the user switches to another mode or when the container is
- * destroyed and thus needs to be cleaned up.
+ * Returns the name of a temporary file with the specified prefix.
*
*/
-void leave_stack_mode(xcb_connection_t *conn, Container *container) {
- /* When going out of stacking mode, we need to close the window */
- struct Stack_Window *stack_win = &(container->stack_win);
-
- SLIST_REMOVE(&stack_wins, stack_win, Stack_Window, stack_windows);
-
- xcb_free_gc(conn, stack_win->gc);
- xcb_destroy_window(conn, stack_win->window);
+char *get_process_filename(const char *prefix) {
+ char *dir = getenv("XDG_RUNTIME_DIR");
+ if (dir == NULL) {
+ struct passwd *pw = getpwuid(getuid());
+ const char *username = pw ? pw->pw_name : "unknown";
+ if (asprintf(&dir, "/tmp/i3-%s", username) == -1) {
+ perror("asprintf()");
+ return NULL;
+ }
+ } else {
+ char *tmp;
+ if (asprintf(&tmp, "%s/i3", dir) == -1) {
+ perror("asprintf()");
+ return NULL;
+ }
+ dir = tmp;
+ }
+ if (!path_exists(dir)) {
+ if (mkdir(dir, 0700) == -1) {
+ perror("mkdir()");
+ return NULL;
+ }
+ }
+ char *filename;
+ if (asprintf(&filename, "%s/%s.%d", dir, prefix, getpid()) == -1) {
+ perror("asprintf()");
+ filename = NULL;
+ }
+
+ free(dir);
+ return filename;
+}
- stack_win->rect.width = -1;
- stack_win->rect.height = -1;
+#define y(x, ...) yajl_gen_ ## x (gen, ##__VA_ARGS__)
+#define ystr(str) yajl_gen_string(gen, (unsigned char*)str, strlen(str))
+
+char *store_restart_layout() {
+ setlocale(LC_NUMERIC, "C");
+#if YAJL_MAJOR >= 2
+ yajl_gen gen = yajl_gen_alloc(NULL);
+#else
+ yajl_gen gen = yajl_gen_alloc(NULL, NULL);
+#endif
+
+ dump_node(gen, croot, true);
+
+ setlocale(LC_NUMERIC, "");
+
+ const unsigned char *payload;
+#if YAJL_MAJOR >= 2
+ size_t length;
+#else
+ unsigned int length;
+#endif
+ y(get_buf, &payload, &length);
+
+ /* create a temporary file if one hasn't been specified, or just
+ * resolve the tildes in the specified path */
+ char *filename;
+ if (config.restart_state_path == NULL) {
+ filename = get_process_filename("restart-state");
+ if (!filename)
+ return NULL;
+ } else {
+ filename = resolve_tilde(config.restart_state_path);
+ }
+
+ int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
+ if (fd == -1) {
+ perror("open()");
+ free(filename);
+ return NULL;
+ }
+
+ int written = 0;
+ while (written < length) {
+ int n = write(fd, payload + written, length - written);
+ /* TODO: correct error-handling */
+ if (n == -1) {
+ perror("write()");
+ free(filename);
+ close(fd);
+ return NULL;
+ }
+ if (n == 0) {
+ printf("write == 0?\n");
+ free(filename);
+ close(fd);
+ return NULL;
+ }
+ written += n;
+#if YAJL_MAJOR >= 2
+ printf("written: %d of %zd\n", written, length);
+#else
+ printf("written: %d of %d\n", written, length);
+#endif
+ }
+ close(fd);
+
+ if (length > 0) {
+ printf("layout: %.*s\n", (int)length, payload);
+ }
+
+ y(free);
+
+ return filename;
}
/*
- * Switches the layout of the given container taking care of the necessary house-keeping
+ * Restart i3 in-place
+ * appends -a to argument list to disable autostart
*
*/
-void switch_layout_mode(xcb_connection_t *conn, Container *container, int mode) {
- if (mode == MODE_STACK) {
- /* When we’re already in stacking mode, nothing has to be done */
- if (container->mode == MODE_STACK)
- return;
-
- /* When entering stacking mode, we need to open a window on which we can draw the
- title bars of the clients, it has height 1 because we don’t bother here with
- calculating the correct height - it will be adjusted when rendering anyways. */
- Rect rect = {container->x, container->y, container->width, 1 };
-
- uint32_t mask = 0;
- uint32_t values[2];
-
- /* Don’t generate events for our new window, it should *not* be managed */
- mask |= XCB_CW_OVERRIDE_REDIRECT;
- values[0] = 1;
-
- /* We want to know when… */
- mask |= XCB_CW_EVENT_MASK;
- values[1] = XCB_EVENT_MASK_ENTER_WINDOW | /* …mouse is moved into our window */
- XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed */
- XCB_EVENT_MASK_EXPOSURE; /* …our window needs to be redrawn */
-
- struct Stack_Window *stack_win = &(container->stack_win);
- stack_win->window = create_window(conn, rect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, mask, values);
-
- /* Generate a graphics context for the titlebar */
- stack_win->gc = xcb_generate_id(conn);
- xcb_create_gc(conn, stack_win->gc, stack_win->window, 0, 0);
-
- stack_win->container = container;
-
- SLIST_INSERT_HEAD(&stack_wins, stack_win, stack_windows);
- } else {
- if (container->mode == MODE_STACK)
- leave_stack_mode(conn, container);
+void i3_restart(bool forget_layout) {
+ char *restart_filename = forget_layout ? NULL : store_restart_layout();
+
+ kill_configerror_nagbar(true);
+
+ restore_geometry();
+
+ ipc_shutdown();
+
+ LOG("restarting \"%s\"...\n", start_argv[0]);
+ /* make sure -a is in the argument list or append it */
+ start_argv = append_argument(start_argv, "-a");
+
+ /* replace -r <file> so that the layout is restored */
+ if (restart_filename != NULL) {
+ /* create the new argv */
+ int num_args;
+ for (num_args = 0; start_argv[num_args] != NULL; num_args++);
+ char **new_argv = scalloc((num_args + 3) * sizeof(char*));
+
+ /* copy the arguments, but skip the ones we'll replace */
+ int write_index = 0;
+ bool skip_next = false;
+ for (int i = 0; i < num_args; ++i) {
+ if (skip_next)
+ skip_next = false;
+ else if (!strcmp(start_argv[i], "-r") ||
+ !strcmp(start_argv[i], "--restart"))
+ skip_next = true;
+ else
+ new_argv[write_index++] = start_argv[i];
}
- container->mode = mode;
-
- /* Force reconfiguration of each client */
- Client *client;
- CIRCLEQ_FOREACH(client, &(container->clients), clients)
- client->force_reconfigure = true;
+ /* add the arguments we'll replace */
+ new_argv[write_index++] = "--restart";
+ new_argv[write_index] = restart_filename;
- render_layout(conn);
+ /* swap the argvs */
+ start_argv = new_argv;
+ }
- if (container->currently_focused != NULL)
- set_focus(conn, container->currently_focused, true);
+ execvp(start_argv[0], start_argv);
+ /* not reached */
}
-/*
- * Warps the pointer into the given client (in the middle of it, to be specific), therefore
- * selecting it
- *
- */
-void warp_pointer_into(xcb_connection_t *conn, Client *client) {
- int mid_x = client->rect.width / 2,
- mid_y = client->rect.height / 2;
- xcb_warp_pointer(conn, XCB_NONE, client->child, 0, 0, 0, 0, mid_x, mid_y);
-}
+#if defined(__OpenBSD__) || defined(__APPLE__)
/*
- * Toggles fullscreen mode for the given client. It updates the data structures and
- * reconfigures (= resizes/moves) the client and its frame to the full size of the
- * screen. When leaving fullscreen, re-rendering the layout is forced.
+ * Taken from FreeBSD
+ * Find the first occurrence of the byte string s in byte string l.
*
*/
-void toggle_fullscreen(xcb_connection_t *conn, Client *client) {
- /* clients without a container (docks) cannot be focused */
- assert(client->container != NULL);
-
- Workspace *workspace = client->container->workspace;
-
- if (!client->fullscreen) {
- if (workspace->fullscreen_client != NULL) {
- LOG("Not entering fullscreen mode, there already is a fullscreen client.\n");
- return;
- }
- client->fullscreen = true;
- workspace->fullscreen_client = client;
- LOG("Entering fullscreen mode...\n");
- /* We just entered fullscreen mode, let’s configure the window */
- uint32_t mask = XCB_CONFIG_WINDOW_X |
- XCB_CONFIG_WINDOW_Y |
- XCB_CONFIG_WINDOW_WIDTH |
- XCB_CONFIG_WINDOW_HEIGHT;
- uint32_t values[4] = {workspace->rect.x,
- workspace->rect.y,
- workspace->rect.width,
- workspace->rect.height};
-
- LOG("child itself will be at %dx%d with size %dx%d\n",
- values[0], values[1], values[2], values[3]);
-
- xcb_configure_window(conn, client->frame, mask, values);
-
- /* Child’s coordinates are relative to the parent (=frame) */
- values[0] = 0;
- values[1] = 0;
- xcb_configure_window(conn, client->child, mask, values);
-
- /* Raise the window */
- values[0] = XCB_STACK_MODE_ABOVE;
- xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_STACK_MODE, values);
-
- Rect child_rect = workspace->rect;
- child_rect.x = child_rect.y = 0;
- fake_configure_notify(conn, child_rect, client->child);
- } else {
- LOG("leaving fullscreen mode\n");
- client->fullscreen = false;
- workspace->fullscreen_client = NULL;
- /* Because the coordinates of the window haven’t changed, it would not be
- re-configured if we don’t set the following flag */
- client->force_reconfigure = true;
- /* We left fullscreen mode, redraw the whole layout to ensure enternotify events are disabled */
- render_layout(conn);
- }
+void *memmem(const void *l, size_t l_len, const void *s, size_t s_len) {
+ register char *cur, *last;
+ const char *cl = (const char *)l;
+ const char *cs = (const char *)s;
- xcb_flush(conn);
-}
+ /* we need something to compare */
+ if (l_len == 0 || s_len == 0)
+ return NULL;
-/*
- * Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
- *
- */
-static bool client_supports_protocol(xcb_connection_t *conn, Client *client, xcb_atom_t atom) {
- xcb_get_property_cookie_t cookie;
- xcb_get_wm_protocols_reply_t protocols;
- bool result = false;
+ /* "s" must be smaller or equal to "l" */
+ if (l_len < s_len)
+ return NULL;
- cookie = xcb_get_wm_protocols_unchecked(conn, client->child, atoms[WM_PROTOCOLS]);
- if (xcb_get_wm_protocols_reply(conn, cookie, &protocols, NULL) != 1)
- return false;
+ /* special case where s_len == 1 */
+ if (s_len == 1)
+ return memchr(l, (int)*cs, l_len);
- /* Check if the client’s protocols have the requested atom set */
- for (uint32_t i = 0; i < protocols.atoms_len; i++)
- if (protocols.atoms[i] == atom)
- result = true;
+ /* the last position where its possible to find "s" in "l" */
+ last = (char *)cl + l_len - s_len;
- xcb_get_wm_protocols_reply_wipe(&protocols);
+ for (cur = (char *)cl; cur <= last; cur++)
+ if (cur[0] == cs[0] && memcmp(cur, cs, s_len) == 0)
+ return cur;
- return result;
+ return NULL;
}
+#endif
+
+#if defined(__APPLE__)
+
/*
- * Kills the given window using WM_DELETE_WINDOW or xcb_kill_window
+ * Taken from FreeBSD
+ * Returns a pointer to a new string which is a duplicate of the
+ * string, but only copies at most n characters.
*
*/
-void kill_window(xcb_connection_t *conn, Client *window) {
- /* If the client does not support WM_DELETE_WINDOW, we kill it the hard way */
- if (!client_supports_protocol(conn, window, atoms[WM_DELETE_WINDOW])) {
- LOG("Killing window the hard way\n");
- xcb_kill_client(conn, window->child);
- return;
- }
-
- xcb_client_message_event_t ev;
-
- memset(&ev, 0, sizeof(xcb_client_message_event_t));
-
- ev.response_type = XCB_CLIENT_MESSAGE;
- ev.window = window->child;
- ev.type = atoms[WM_PROTOCOLS];
- ev.format = 32;
- ev.data.data32[0] = atoms[WM_DELETE_WINDOW];
- ev.data.data32[1] = XCB_CURRENT_TIME;
-
- LOG("Sending WM_DELETE to the client\n");
- xcb_send_event(conn, false, window->child, XCB_EVENT_MASK_NO_EVENT, (char*)&ev);
- xcb_flush(conn);
+char *strndup(const char *str, size_t n) {
+ size_t len;
+ char *copy;
+
+ for (len = 0; len < n && str[len]; len++)
+ continue;
+
+ if ((copy = malloc(len + 1)) == NULL)
+ return (NULL);
+ memcpy(copy, str, len);
+ copy[len] = '\0';
+ return (copy);
}
+
+#endif
projects / i3 / i3 / blobdiff