+#undef I3__FILE__
+#define I3__FILE__ "load_layout.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* load_layout.c: Restore (parts of) the layout, for example after an inplace
* restart.
static bool parsing_rect;
static bool parsing_window_rect;
static bool parsing_geometry;
+static bool parsing_focus;
struct Match *current_swallow;
+/* This list is used for reordering the focus stack after parsing the 'focus'
+ * array. */
+struct focus_mapping {
+ int old_id;
+ TAILQ_ENTRY(focus_mapping) focus_mappings;
+};
+
+static TAILQ_HEAD(focus_mappings_head, focus_mapping) focus_mappings =
+ TAILQ_HEAD_INITIALIZER(focus_mappings);
+
static int json_start_map(void *ctx) {
LOG("start of map, last_key = %s\n", last_key);
if (parsing_swallows) {
if (last_key && strcasecmp(last_key, "floating_nodes") == 0) {
DLOG("New floating_node\n");
Con *ws = con_get_workspace(json_node);
- json_node = con_new(NULL, NULL);
+ json_node = con_new_skeleton(NULL, NULL);
json_node->parent = ws;
DLOG("Parent is workspace = %p\n", ws);
} else {
Con *parent = json_node;
- json_node = con_new(NULL, NULL);
+ json_node = con_new_skeleton(NULL, NULL);
json_node->parent = parent;
}
}
static int json_end_map(void *ctx) {
LOG("end of map\n");
if (!parsing_swallows && !parsing_rect && !parsing_window_rect && !parsing_geometry) {
+ /* Set a few default values to simplify manually crafted layout files. */
+ if (json_node->layout == L_DEFAULT) {
+ DLOG("Setting layout = L_SPLITH\n");
+ json_node->layout = L_SPLITH;
+ }
+
+ /* Sanity check: swallow criteria don’t make any sense on a split
+ * container. */
+ if (con_is_split(json_node) > 0 && !TAILQ_EMPTY(&(json_node->swallow_head))) {
+ DLOG("sanity check: removing swallows specification from split container\n");
+ while (!TAILQ_EMPTY(&(json_node->swallow_head))) {
+ Match *match = TAILQ_FIRST(&(json_node->swallow_head));
+ TAILQ_REMOVE(&(json_node->swallow_head), match, matches);
+ match_free(match);
+ }
+ }
+
LOG("attaching\n");
con_attach(json_node, json_node->parent, true);
+ LOG("Creating window\n");
+ x_con_init(json_node, json_node->depth);
json_node = json_node->parent;
}
if (parsing_rect)
static int json_end_array(void *ctx) {
LOG("end of array\n");
- parsing_swallows = false;
+ if (!parsing_swallows && !parsing_focus) {
+ con_fix_percent(json_node);
+ }
+ if (parsing_swallows) {
+ parsing_swallows = false;
+ }
+ if (parsing_focus) {
+ /* Clear the list of focus mappings */
+ struct focus_mapping *mapping;
+ TAILQ_FOREACH_REVERSE(mapping, &focus_mappings, focus_mappings_head, focus_mappings) {
+ LOG("focus (reverse) %d\n", mapping->old_id);
+ Con *con;
+ TAILQ_FOREACH(con, &(json_node->focus_head), focused) {
+ if (con->old_id != mapping->old_id)
+ continue;
+ LOG("got it! %p\n", con);
+ /* Move this entry to the top of the focus list. */
+ TAILQ_REMOVE(&(json_node->focus_head), con, focused);
+ TAILQ_INSERT_HEAD(&(json_node->focus_head), con, focused);
+ break;
+ }
+ }
+ while (!TAILQ_EMPTY(&focus_mappings)) {
+ mapping = TAILQ_FIRST(&focus_mappings);
+ TAILQ_REMOVE(&focus_mappings, mapping, focus_mappings);
+ free(mapping);
+ }
+ parsing_focus = false;
+ }
return 1;
}
-#if YAJL_MAJOR < 2
-static int json_key(void *ctx, const unsigned char *val, unsigned int len) {
-#else
static int json_key(void *ctx, const unsigned char *val, size_t len) {
-#endif
LOG("key: %.*s\n", (int)len, val);
FREE(last_key);
last_key = scalloc((len+1) * sizeof(char));
memcpy(last_key, val, len);
- if (strcasecmp(last_key, "swallows") == 0) {
+ if (strcasecmp(last_key, "swallows") == 0)
parsing_swallows = true;
- }
+
if (strcasecmp(last_key, "rect") == 0)
parsing_rect = true;
+
if (strcasecmp(last_key, "window_rect") == 0)
parsing_window_rect = true;
+
if (strcasecmp(last_key, "geometry") == 0)
parsing_geometry = true;
+
+ if (strcasecmp(last_key, "focus") == 0)
+ parsing_focus = true;
+
return 1;
}
-#if YAJL_MAJOR >= 2
static int json_string(void *ctx, const unsigned char *val, size_t len) {
-#else
-static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
-#endif
- LOG("string: %.*s for key %s\n", len, val, last_key);
+ LOG("string: %.*s for key %s\n", (int)len, val, last_key);
if (parsing_swallows) {
- /* TODO: the other swallowing keys */
+ char *sval;
+ sasprintf(&sval, "%.*s", len, val);
if (strcasecmp(last_key, "class") == 0) {
- current_swallow->class = scalloc((len+1) * sizeof(char));
- memcpy(current_swallow->class, val, len);
+ current_swallow->class = regex_new(sval);
+ } else if (strcasecmp(last_key, "instance") == 0) {
+ current_swallow->instance = regex_new(sval);
+ } else if (strcasecmp(last_key, "window_role") == 0) {
+ current_swallow->window_role = regex_new(sval);
+ } else if (strcasecmp(last_key, "title") == 0) {
+ current_swallow->title = regex_new(sval);
+ } else {
+ ELOG("swallow key %s unknown\n", last_key);
}
- LOG("unhandled yet: swallow\n");
+ free(sval);
} else {
if (strcasecmp(last_key, "name") == 0) {
json_node->name = scalloc((len+1) * sizeof(char));
memcpy(json_node->sticky_group, val, len);
LOG("sticky_group of this container is %s\n", json_node->sticky_group);
} else if (strcasecmp(last_key, "orientation") == 0) {
+ /* Upgrade path from older versions of i3 (doing an inplace restart
+ * to a newer version):
+ * "orientation" is dumped before "layout". Therefore, we store
+ * whether the orientation was horizontal or vertical in the
+ * last_split_layout. When we then encounter layout == "default",
+ * we will use the last_split_layout as layout instead. */
char *buf = NULL;
sasprintf(&buf, "%.*s", (int)len, val);
- if (strcasecmp(buf, "none") == 0)
- json_node->orientation = NO_ORIENTATION;
- else if (strcasecmp(buf, "horizontal") == 0)
- json_node->orientation = HORIZ;
+ if (strcasecmp(buf, "none") == 0 ||
+ strcasecmp(buf, "horizontal") == 0)
+ json_node->last_split_layout = L_SPLITH;
else if (strcasecmp(buf, "vertical") == 0)
- json_node->orientation = VERT;
+ json_node->last_split_layout = L_SPLITV;
else LOG("Unhandled orientation: %s\n", buf);
free(buf);
} else if (strcasecmp(last_key, "border") == 0) {
sasprintf(&buf, "%.*s", (int)len, val);
if (strcasecmp(buf, "none") == 0)
json_node->border_style = BS_NONE;
- else if (strcasecmp(buf, "1pixel") == 0)
- json_node->border_style = BS_1PIXEL;
+ else if (strcasecmp(buf, "1pixel") == 0) {
+ json_node->border_style = BS_PIXEL;
+ json_node->current_border_width = 1;
+ } else if (strcasecmp(buf, "pixel") == 0)
+ json_node->border_style = BS_PIXEL;
else if (strcasecmp(buf, "normal") == 0)
json_node->border_style = BS_NORMAL;
else LOG("Unhandled \"border\": %s\n", buf);
free(buf);
+ } else if (strcasecmp(last_key, "type") == 0) {
+ char *buf = NULL;
+ sasprintf(&buf, "%.*s", (int)len, val);
+ if (strcasecmp(buf, "root") == 0)
+ json_node->type = CT_ROOT;
+ else if (strcasecmp(buf, "output") == 0)
+ json_node->type = CT_OUTPUT;
+ else if (strcasecmp(buf, "con") == 0)
+ json_node->type = CT_CON;
+ else if (strcasecmp(buf, "floating_con") == 0)
+ json_node->type = CT_FLOATING_CON;
+ else if (strcasecmp(buf, "workspace") == 0)
+ json_node->type = CT_WORKSPACE;
+ else if (strcasecmp(buf, "dockarea") == 0)
+ json_node->type = CT_DOCKAREA;
+ else LOG("Unhandled \"type\": %s\n", buf);
+ free(buf);
} else if (strcasecmp(last_key, "layout") == 0) {
char *buf = NULL;
sasprintf(&buf, "%.*s", (int)len, val);
if (strcasecmp(buf, "default") == 0)
- json_node->layout = L_DEFAULT;
+ /* This set above when we read "orientation". */
+ json_node->layout = json_node->last_split_layout;
else if (strcasecmp(buf, "stacked") == 0)
json_node->layout = L_STACKED;
else if (strcasecmp(buf, "tabbed") == 0)
json_node->layout = L_DOCKAREA;
else if (strcasecmp(buf, "output") == 0)
json_node->layout = L_OUTPUT;
+ else if (strcasecmp(buf, "splith") == 0)
+ json_node->layout = L_SPLITH;
+ else if (strcasecmp(buf, "splitv") == 0)
+ json_node->layout = L_SPLITV;
else LOG("Unhandled \"layout\": %s\n", buf);
free(buf);
+ } else if (strcasecmp(last_key, "workspace_layout") == 0) {
+ char *buf = NULL;
+ sasprintf(&buf, "%.*s", (int)len, val);
+ if (strcasecmp(buf, "default") == 0)
+ json_node->workspace_layout = L_DEFAULT;
+ else if (strcasecmp(buf, "stacked") == 0)
+ json_node->workspace_layout = L_STACKED;
+ else if (strcasecmp(buf, "tabbed") == 0)
+ json_node->workspace_layout = L_TABBED;
+ else LOG("Unhandled \"workspace_layout\": %s\n", buf);
+ free(buf);
+ } else if (strcasecmp(last_key, "last_split_layout") == 0) {
+ char *buf = NULL;
+ sasprintf(&buf, "%.*s", (int)len, val);
+ if (strcasecmp(buf, "splith") == 0)
+ json_node->last_split_layout = L_SPLITH;
+ else if (strcasecmp(buf, "splitv") == 0)
+ json_node->last_split_layout = L_SPLITV;
+ else LOG("Unhandled \"last_splitlayout\": %s\n", buf);
+ free(buf);
} else if (strcasecmp(last_key, "mark") == 0) {
char *buf = NULL;
sasprintf(&buf, "%.*s", (int)len, val);
json_node->mark = buf;
+ } else if (strcasecmp(last_key, "floating") == 0) {
+ char *buf = NULL;
+ sasprintf(&buf, "%.*s", (int)len, val);
+ if (strcasecmp(buf, "auto_off") == 0)
+ json_node->floating = FLOATING_AUTO_OFF;
+ else if (strcasecmp(buf, "auto_on") == 0)
+ json_node->floating = FLOATING_AUTO_ON;
+ else if (strcasecmp(buf, "user_off") == 0)
+ json_node->floating = FLOATING_USER_OFF;
+ else if (strcasecmp(buf, "user_on") == 0)
+ json_node->floating = FLOATING_USER_ON;
+ free(buf);
+ } else if (strcasecmp(last_key, "scratchpad_state") == 0) {
+ char *buf = NULL;
+ sasprintf(&buf, "%.*s", (int)len, val);
+ if (strcasecmp(buf, "none") == 0)
+ json_node->scratchpad_state = SCRATCHPAD_NONE;
+ else if (strcasecmp(buf, "fresh") == 0)
+ json_node->scratchpad_state = SCRATCHPAD_FRESH;
+ else if (strcasecmp(buf, "changed") == 0)
+ json_node->scratchpad_state = SCRATCHPAD_CHANGED;
+ free(buf);
}
}
return 1;
}
-#if YAJL_MAJOR >= 2
static int json_int(void *ctx, long long val) {
LOG("int %lld for key %s\n", val, last_key);
-#else
-static int json_int(void *ctx, long val) {
- LOG("int %ld for key %s\n", val, last_key);
-#endif
- if (strcasecmp(last_key, "type") == 0) {
+ /* For backwards compatibility with i3 < 4.8 */
+ if (strcasecmp(last_key, "type") == 0)
json_node->type = val;
- }
- if (strcasecmp(last_key, "fullscreen_mode") == 0) {
+
+ if (strcasecmp(last_key, "fullscreen_mode") == 0)
json_node->fullscreen_mode = val;
- }
+
if (strcasecmp(last_key, "num") == 0)
json_node->num = val;
+ if (strcasecmp(last_key, "current_border_width") == 0)
+ json_node->current_border_width = val;
+
+ if (strcasecmp(last_key, "depth") == 0)
+ json_node->depth = val;
+
+ if (!parsing_swallows && strcasecmp(last_key, "id") == 0)
+ json_node->old_id = val;
+
+ if (parsing_focus) {
+ struct focus_mapping *focus_mapping = scalloc(sizeof(struct focus_mapping));
+ focus_mapping->old_id = val;
+ TAILQ_INSERT_TAIL(&focus_mappings, focus_mapping, focus_mappings);
+ }
+
if (parsing_rect || parsing_window_rect || parsing_geometry) {
Rect *r;
if (parsing_rect)
r->width = val;
else if (strcasecmp(last_key, "height") == 0)
r->height = val;
- else printf("WARNING: unknown key %s in rect\n", last_key);
- printf("rect now: (%d, %d, %d, %d)\n",
+ else ELOG("WARNING: unknown key %s in rect\n", last_key);
+ DLOG("rect now: (%d, %d, %d, %d)\n",
r->x, r->y, r->width, r->height);
}
if (parsing_swallows) {
to_focus = json_node;
}
+ if (parsing_swallows) {
+ if (strcasecmp(last_key, "restart_mode") == 0)
+ current_swallow->restart_mode = val;
+ }
+
return 1;
}
return 1;
}
-void tree_append_json(const char *filename) {
- /* TODO: percent of other windows are not correctly fixed at the moment */
+void tree_append_json(Con *con, const char *filename, char **errormsg) {
FILE *f;
if ((f = fopen(filename, "r")) == NULL) {
- LOG("Cannot open file\n");
+ LOG("Cannot open file \"%s\"\n", filename);
+ return;
+ }
+ struct stat stbuf;
+ if (fstat(fileno(f), &stbuf) != 0) {
+ LOG("Cannot fstat() the file\n");
+ fclose(f);
+ return;
+ }
+ char *buf = smalloc(stbuf.st_size);
+ int n = fread(buf, 1, stbuf.st_size, f);
+ if (n != stbuf.st_size) {
+ LOG("File \"%s\" could not be read entirely, not loading.\n", filename);
+ fclose(f);
return;
}
- char *buf = malloc(65535); /* TODO */
- int n = fread(buf, 1, 65535, f);
LOG("read %d bytes\n", n);
yajl_gen g;
yajl_handle hand;
- yajl_callbacks callbacks;
- memset(&callbacks, '\0', sizeof(yajl_callbacks));
- callbacks.yajl_start_map = json_start_map;
- callbacks.yajl_end_map = json_end_map;
- callbacks.yajl_end_array = json_end_array;
- callbacks.yajl_string = json_string;
- callbacks.yajl_map_key = json_key;
- callbacks.yajl_integer = json_int;
- callbacks.yajl_double = json_double;
- callbacks.yajl_boolean = json_bool;
-#if YAJL_MAJOR >= 2
+ static yajl_callbacks callbacks = {
+ .yajl_boolean = json_bool,
+ .yajl_integer = json_int,
+ .yajl_double = json_double,
+ .yajl_string = json_string,
+ .yajl_start_map = json_start_map,
+ .yajl_map_key = json_key,
+ .yajl_end_map = json_end_map,
+ .yajl_end_array = json_end_array,
+ };
g = yajl_gen_alloc(NULL);
hand = yajl_alloc(&callbacks, NULL, (void*)g);
-#else
- g = yajl_gen_alloc(NULL, NULL);
- hand = yajl_alloc(&callbacks, NULL, NULL, (void*)g);
-#endif
+ /* Allowing comments allows for more user-friendly layout files. */
+ yajl_config(hand, yajl_allow_comments, true);
+ /* Allow multiple values, i.e. multiple nodes to attach */
+ yajl_config(hand, yajl_allow_multiple_values, true);
yajl_status stat;
- json_node = focused;
+ json_node = con;
to_focus = NULL;
+ parsing_swallows = false;
parsing_rect = false;
parsing_window_rect = false;
parsing_geometry = false;
+ parsing_focus = false;
setlocale(LC_NUMERIC, "C");
stat = yajl_parse(hand, (const unsigned char*)buf, n);
if (stat != yajl_status_ok)
{
- unsigned char * str = yajl_get_error(hand, 1, (const unsigned char*)buf, n);
- fprintf(stderr, "%s\n", (const char *) str);
+ unsigned char *str = yajl_get_error(hand, 1, (const unsigned char*)buf, n);
+ ELOG("JSON parsing error: %s\n", str);
+ if (errormsg != NULL)
+ *errormsg = sstrdup((const char*)str);
yajl_free_error(hand, str);
}
+ /* In case not all containers were restored, we need to fix the
+ * percentages, otherwise i3 will crash immediately when rendering the
+ * next time. */
+ con_fix_percent(con);
+
setlocale(LC_NUMERIC, "");
-#if YAJL_MAJOR >= 2
yajl_complete_parse(hand);
-#else
- yajl_parse_complete(hand);
-#endif
fclose(f);
if (to_focus)