]> git.sur5r.net Git - i3/i3/blobdiff - src/commands.c
format **/*.c with clang-format-3.5
[i3/i3] / src / commands.c
index 8f355795f04028f90911c4e3e246f3c7ae60a56e..03bb10a622be654530d1f7fae4cca1b2f14b4ca1 100644 (file)
 #include "shmlog.h"
 
 // Macros to make the YAJL API a bit easier to use.
-#define y(x, ...) yajl_gen_ ## x (cmd_output->json_gen, ##__VA_ARGS__)
-#define ystr(str) yajl_gen_string(cmd_output->json_gen, (unsigned char*)str, strlen(str))
-#define ysuccess(success) do { \
-    y(map_open); \
-    ystr("success"); \
-    y(bool, success); \
-    y(map_close); \
-} while (0)
-#define yerror(message) do { \
-    y(map_open); \
-    ystr("success"); \
-    y(bool, false); \
-    ystr("error"); \
-    ystr(message); \
-    y(map_close); \
-} while (0)
+#define y(x, ...) (cmd_output->json_gen != NULL ? yajl_gen_##x(cmd_output->json_gen, ##__VA_ARGS__) : 0)
+#define ystr(str) (cmd_output->json_gen != NULL ? yajl_gen_string(cmd_output->json_gen, (unsigned char *)str, strlen(str)) : 0)
+#define ysuccess(success)                   \
+    do {                                    \
+        if (cmd_output->json_gen != NULL) { \
+            y(map_open);                    \
+            ystr("success");                \
+            y(bool, success);               \
+            y(map_close);                   \
+        }                                   \
+    } while (0)
+#define yerror(message)                     \
+    do {                                    \
+        if (cmd_output->json_gen != NULL) { \
+            y(map_open);                    \
+            ystr("success");                \
+            y(bool, false);                 \
+            ystr("error");                  \
+            ystr(message);                  \
+            y(map_close);                   \
+        }                                   \
+    } while (0)
 
 /** When the command did not include match criteria (!), we use the currently
  * focused container. Do not confuse this case with a command which included
  * criteria but which did not match any windows. This macro has to be called in
  * every command.
  */
-#define HANDLE_EMPTY_MATCH do { \
-    if (match_is_empty(current_match)) { \
-        owindow *ow = smalloc(sizeof(owindow)); \
-        ow->con = focused; \
-        TAILQ_INIT(&owindows); \
-        TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
-    } \
-} while (0)
-
+#define HANDLE_EMPTY_MATCH                              \
+    do {                                                \
+        if (match_is_empty(current_match)) {            \
+            owindow *ow = smalloc(sizeof(owindow));     \
+            ow->con = focused;                          \
+            TAILQ_INIT(&owindows);                      \
+            TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
+        }                                               \
+    } while (0)
 
 /*
  * Returns true if a is definitely greater than b (using the given epsilon)
  *
  */
 static bool definitelyGreaterThan(float a, float b, float epsilon) {
-    return (a - b) > ( (fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
+    return (a - b) > ((fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
 }
 
 /*
@@ -72,7 +78,19 @@ static Output *get_output_from_string(Output *current_output, const char *output
         output = get_output_next_wrap(D_UP, current_output);
     else if (strcasecmp(output_str, "down") == 0)
         output = get_output_next_wrap(D_DOWN, current_output);
-    else output = get_output_by_name(output_str);
+    else
+        output = get_output_by_name(output_str);
+
+    return output;
+}
+
+/*
+ * Returns the output containing the given container.
+ */
+static Output *get_output_of_con(Con *con) {
+    Con *output_con = con_get_output(con);
+    Output *output = get_output_by_name(output_con->name);
+    assert(output != NULL);
 
     return output;
 }
@@ -84,7 +102,7 @@ static Output *get_output_from_string(Output *current_output, const char *output
  * and return true, signaling that no further workspace switching should occur in the calling function.
  *
  */
-static bool maybe_back_and_forth(struct CommandResult *cmd_output, char *name) {
+static bool maybe_back_and_forth(struct CommandResultIR *cmd_output, char *name) {
     Con *ws = con_get_workspace(focused);
 
     /* If we switched to a different workspace, do nothing */
@@ -246,6 +264,7 @@ void cmd_criteria_init(I3_CMD) {
     owindow *ow;
 
     DLOG("Initializing criteria, current_match = %p\n", current_match);
+    match_free(current_match);
     match_init(current_match);
     while (!TAILQ_EMPTY(&owindows)) {
         ow = TAILQ_FIRST(&owindows);
@@ -254,7 +273,7 @@ void cmd_criteria_init(I3_CMD) {
     }
     TAILQ_INIT(&owindows);
     /* copy all_cons */
-    TAILQ_FOREACH(con, &all_cons, all_cons) {
+    TAILQ_FOREACH (con, &all_cons, all_cons) {
         ow = smalloc(sizeof(owindow));
         ow->con = con;
         TAILQ_INSERT_TAIL(&owindows, ow, owindows);
@@ -286,15 +305,16 @@ void cmd_criteria_match_windows(I3_CMD) {
             if (current_match->con_id == current->con) {
                 DLOG("matches container!\n");
                 TAILQ_INSERT_TAIL(&owindows, current, owindows);
+            } else {
+                DLOG("doesnt match\n");
+                free(current);
             }
         } else if (current_match->mark != NULL && current->con->mark != NULL &&
                    regex_matches(current_match->mark, current->con->mark)) {
             DLOG("match by mark\n");
             TAILQ_INSERT_TAIL(&owindows, current, owindows);
         } else {
-            if (current->con->window == NULL)
-                continue;
-            if (match_matches_window(current_match, current->con->window)) {
+            if (current->con->window && match_matches_window(current_match, current->con->window)) {
                 DLOG("matches window!\n");
                 TAILQ_INSERT_TAIL(&owindows, current, owindows);
             } else {
@@ -304,7 +324,7 @@ void cmd_criteria_match_windows(I3_CMD) {
         }
     }
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
     }
 }
@@ -328,7 +348,7 @@ void cmd_criteria_add(I3_CMD, char *ctype, char *cvalue) {
     }
 
     if (strcmp(ctype, "window_role") == 0) {
-        current_match->role = regex_new(cvalue);
+        current_match->window_role = regex_new(cvalue);
         return;
     }
 
@@ -341,8 +361,8 @@ void cmd_criteria_add(I3_CMD, char *ctype, char *cvalue) {
             (end && *end != '\0')) {
             ELOG("Could not parse con id \"%s\"\n", cvalue);
         } else {
-            current_match->con_id = (Con*)parsed;
-            printf("id as int = %p\n", current_match->con_id);
+            current_match->con_id = (Con *)parsed;
+            DLOG("id as int = %p\n", current_match->con_id);
         }
         return;
     }
@@ -357,7 +377,7 @@ void cmd_criteria_add(I3_CMD, char *ctype, char *cvalue) {
             ELOG("Could not parse window id \"%s\"\n", cvalue);
         } else {
             current_match->id = parsed;
-            printf("window id as int = %d\n", current_match->id);
+            DLOG("window id as int = %d\n", current_match->id);
         }
         return;
     }
@@ -403,7 +423,7 @@ void cmd_move_con_to_workspace(I3_CMD, char *which) {
      *  when criteria wasn't specified and we don't have any window focused. */
     if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
         (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
-        !con_has_children(focused))) {
+         !con_has_children(focused))) {
         ysuccess(false);
         return;
     }
@@ -428,7 +448,7 @@ void cmd_move_con_to_workspace(I3_CMD, char *which) {
         return;
     }
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_move_to_workspace(current->con, ws, true, false);
     }
@@ -455,7 +475,7 @@ void cmd_move_con_to_workspace_back_and_forth(I3_CMD) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_move_to_workspace(current->con, ws, true, false);
     }
@@ -470,8 +490,8 @@ void cmd_move_con_to_workspace_back_and_forth(I3_CMD) {
  *
  */
 void cmd_move_con_to_workspace_name(I3_CMD, char *name) {
-    if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
-        LOG("You cannot switch to the i3 internal workspaces.\n");
+    if (strncasecmp(name, "__", strlen("__")) == 0) {
+        LOG("You cannot move containers to i3-internal workspaces (\"%s\").\n", name);
         ysuccess(false);
         return;
     }
@@ -485,9 +505,8 @@ void cmd_move_con_to_workspace_name(I3_CMD, char *name) {
         ELOG("No windows match your criteria, cannot move.\n");
         ysuccess(false);
         return;
-    }
-    else if (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
-        !con_has_children(focused)) {
+    } else if (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
+               !con_has_children(focused)) {
         ysuccess(false);
         return;
     }
@@ -500,7 +519,7 @@ void cmd_move_con_to_workspace_name(I3_CMD, char *name) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_move_to_workspace(current->con, ws, true, false);
     }
@@ -522,7 +541,7 @@ void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
      *  when criteria wasn't specified and we don't have any window focused. */
     if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
         (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
-        !con_has_children(focused))) {
+         !con_has_children(focused))) {
         ysuccess(false);
         return;
     }
@@ -543,9 +562,9 @@ void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
         return;
     }
 
-    TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+    TAILQ_FOREACH (output, &(croot->nodes_head), nodes)
         GREP_FIRST(workspace, output_get_content(output),
-            child->num == parsed_num);
+                   child->num == parsed_num);
 
     if (!workspace) {
         workspace = workspace_get(which, NULL);
@@ -555,7 +574,7 @@ void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_move_to_workspace(current->con, workspace, true, false);
     }
@@ -616,79 +635,50 @@ static void cmd_resize_floating(I3_CMD, char *way, char *direction, Con *floatin
 
 static bool cmd_resize_tiling_direction(I3_CMD, Con *current, char *way, char *direction, int ppt) {
     LOG("tiling resize\n");
-    /* get the appropriate current container (skip stacked/tabbed cons) */
-    Con *other = NULL;
-    double percentage = 0;
-    while (current->parent->layout == L_STACKED ||
-           current->parent->layout == L_TABBED)
-        current = current->parent;
-
-    /* Then further go up until we find one with the matching orientation. */
-    orientation_t search_orientation =
-        (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0 ? HORIZ : VERT);
-
-    do {
-        if (con_orientation(current->parent) != search_orientation) {
-            current = current->parent;
-            continue;
-        }
-
-        /* get the default percentage */
-        int children = con_num_children(current->parent);
-        LOG("ins. %d children\n", children);
-        percentage = 1.0 / children;
-        LOG("default percentage = %f\n", percentage);
-
-        orientation_t orientation = con_orientation(current->parent);
-
-        if ((orientation == HORIZ &&
-             (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0)) ||
-            (orientation == VERT &&
-             (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0))) {
-            LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
-                (orientation == HORIZ ? "horizontal" : "vertical"));
-            ysuccess(false);
-            return false;
-        }
-
-        if (strcmp(direction, "up") == 0 || strcmp(direction, "left") == 0) {
-            other = TAILQ_PREV(current, nodes_head, nodes);
-        } else {
-            other = TAILQ_NEXT(current, nodes);
-        }
-        if (other == TAILQ_END(workspaces)) {
-            LOG("No other container in this direction found, trying to look further up in the tree...\n");
-            current = current->parent;
-            continue;
-        }
-        break;
-    } while (current->type != CT_WORKSPACE &&
-             current->type != CT_FLOATING_CON);
+    Con *second = NULL;
+    Con *first = current;
+    direction_t search_direction;
+    if (!strcmp(direction, "left"))
+        search_direction = D_LEFT;
+    else if (!strcmp(direction, "right"))
+        search_direction = D_RIGHT;
+    else if (!strcmp(direction, "up"))
+        search_direction = D_UP;
+    else
+        search_direction = D_DOWN;
 
-    if (other == NULL) {
-        LOG("No other container in this direction found, trying to look further up in the tree...\n");
+    bool res = resize_find_tiling_participants(&first, &second, search_direction);
+    if (!res) {
+        LOG("No second container in this direction found.\n");
         ysuccess(false);
         return false;
     }
 
-    LOG("other->percent = %f\n", other->percent);
-    LOG("current->percent before = %f\n", current->percent);
-    if (current->percent == 0.0)
-        current->percent = percentage;
-    if (other->percent == 0.0)
-        other->percent = percentage;
-    double new_current_percent = current->percent + ((double)ppt / 100.0);
-    double new_other_percent = other->percent - ((double)ppt / 100.0);
-    LOG("new_current_percent = %f\n", new_current_percent);
-    LOG("new_other_percent = %f\n", new_other_percent);
+    /* get the default percentage */
+    int children = con_num_children(first->parent);
+    LOG("ins. %d children\n", children);
+    double percentage = 1.0 / children;
+    LOG("default percentage = %f\n", percentage);
+
+    /* resize */
+    LOG("second->percent = %f\n", second->percent);
+    LOG("first->percent before = %f\n", first->percent);
+    if (first->percent == 0.0)
+        first->percent = percentage;
+    if (second->percent == 0.0)
+        second->percent = percentage;
+    double new_first_percent = first->percent + ((double)ppt / 100.0);
+    double new_second_percent = second->percent - ((double)ppt / 100.0);
+    LOG("new_first_percent = %f\n", new_first_percent);
+    LOG("new_second_percent = %f\n", new_second_percent);
     /* Ensure that the new percentages are positive and greater than
      * 0.05 to have a reasonable minimum size. */
-    if (definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON) &&
-        definitelyGreaterThan(new_other_percent, 0.05, DBL_EPSILON)) {
-        current->percent += ((double)ppt / 100.0);
-        other->percent -= ((double)ppt / 100.0);
-        LOG("current->percent after = %f\n", current->percent);
-        LOG("other->percent after = %f\n", other->percent);
+    if (definitelyGreaterThan(new_first_percent, 0.05, DBL_EPSILON) &&
+        definitelyGreaterThan(new_second_percent, 0.05, DBL_EPSILON)) {
+        first->percent += ((double)ppt / 100.0);
+        second->percent -= ((double)ppt / 100.0);
+        LOG("first->percent after = %f\n", first->percent);
+        LOG("second->percent after = %f\n", second->percent);
     } else {
         LOG("Not resizing, already at minimum size\n");
     }
@@ -738,7 +728,7 @@ static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, char *way, char
 
     /* Ensure all the other children have a percentage set. */
     Con *child;
-    TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
+    TAILQ_FOREACH (child, &(current->parent->nodes_head), nodes) {
         LOG("child->percent = %f (child %p)\n", child->percent, child);
         if (child->percent == 0.0)
             child->percent = percentage;
@@ -750,7 +740,7 @@ static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, char *way, char
     LOG("subtract_percent = %f\n", subtract_percent);
     /* Ensure that the new percentages are positive and greater than
      * 0.05 to have a reasonable minimum size. */
-    TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
+    TAILQ_FOREACH (child, &(current->parent->nodes_head), nodes) {
         if (child == current)
             continue;
         if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
@@ -768,7 +758,7 @@ static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, char *way, char
     current->percent += ((double)ppt / 100.0);
     LOG("current->percent after = %f\n", current->percent);
 
-    TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
+    TAILQ_FOREACH (child, &(current->parent->nodes_head), nodes) {
         if (child == current)
             continue;
         child->percent -= subtract_percent;
@@ -796,7 +786,13 @@ void cmd_resize(I3_CMD, char *way, char *direction, char *resize_px, char *resiz
     HANDLE_EMPTY_MATCH;
 
     owindow *current;
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
+        /* Don't handle dock windows (issue #1201) */
+        if (current->con->window && current->con->window->dock) {
+            DLOG("This is a dock window. Not resizing (con = %p)\n)", current->con);
+            continue;
+        }
+
         Con *floating_con;
         if ((floating_con = con_inside_floating(current->con))) {
             cmd_resize_floating(current_match, cmd_output, way, direction, floating_con, px);
@@ -821,13 +817,13 @@ void cmd_resize(I3_CMD, char *way, char *direction, char *resize_px, char *resiz
  * Implementation of 'border normal|none|1pixel|toggle|pixel'.
  *
  */
-void cmd_border(I3_CMD, char *border_style_str, char *border_width ) {
+void cmd_border(I3_CMD, char *border_style_str, char *border_width) {
     DLOG("border style should be changed to %s with border width %s\n", border_style_str, border_width);
     owindow *current;
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         int border_style = current->con->border_style;
         char *end;
@@ -851,7 +847,7 @@ void cmd_border(I3_CMD, char *border_style_str, char *border_width ) {
                 border_style = BS_NORMAL;
             else if (strcmp(border_style_str, "pixel") == 0)
                 border_style = BS_PIXEL;
-            else if (strcmp(border_style_str, "1pixel") == 0){
+            else if (strcmp(border_style_str, "1pixel") == 0) {
                 border_style = BS_PIXEL;
                 tmp_border_width = 1;
             } else if (strcmp(border_style_str, "none") == 0)
@@ -886,11 +882,39 @@ void cmd_nop(I3_CMD, char *comment) {
  */
 void cmd_append_layout(I3_CMD, char *path) {
     LOG("Appending layout \"%s\"\n", path);
-    tree_append_json(path);
+    Con *parent = focused;
+    /* We need to append the layout to a split container, since a leaf
+     * container must not have any children (by definition).
+     * Note that we explicitly check for workspaces, since they are okay for
+     * this purpose, but con_accepts_window() returns false for workspaces. */
+    while (parent->type != CT_WORKSPACE && !con_accepts_window(parent))
+        parent = parent->parent;
+    DLOG("Appending to parent=%p instead of focused=%p\n",
+         parent, focused);
+    char *errormsg = NULL;
+    tree_append_json(parent, path, &errormsg);
+    if (errormsg != NULL) {
+        yerror(errormsg);
+        free(errormsg);
+        /* Note that we continue executing since tree_append_json() has
+         * side-effects â€” user-provided layouts can be partly valid, partly
+         * invalid, leading to half of the placeholder containers being
+         * created. */
+    } else {
+        ysuccess(true);
+    }
+
+    // XXX: This is a bit of a kludge. Theoretically, render_con(parent,
+    // false); should be enough, but when sending 'workspace 4; append_layout
+    // /tmp/foo.json', the needs_tree_render == true of the workspace command
+    // is not executed yet and will be batched with append_layout’s
+    // needs_tree_render after the parser finished. We should check if that is
+    // necessary at all.
+    render_con(croot, false);
+
+    restore_open_placeholder_windows(parent);
 
     cmd_output->needs_tree_render = true;
-    // XXX: default reply for now, make this a better reply
-    ysuccess(true);
 }
 
 /*
@@ -943,9 +967,9 @@ void cmd_workspace_number(I3_CMD, char *which) {
         return;
     }
 
-    TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+    TAILQ_FOREACH (output, &(croot->nodes_head), nodes)
         GREP_FIRST(workspace, output_get_content(output),
-            child->num == parsed_num);
+                   child->num == parsed_num);
 
     if (!workspace) {
         LOG("There is no workspace with number %ld, creating a new one.\n", parsed_num);
@@ -980,15 +1004,15 @@ void cmd_workspace_back_and_forth(I3_CMD) {
  *
  */
 void cmd_workspace_name(I3_CMD, char *name) {
-    if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
-        LOG("You cannot switch to the i3 internal workspaces.\n");
+    if (strncasecmp(name, "__", strlen("__")) == 0) {
+        LOG("You cannot switch to the i3-internal workspaces (\"%s\").\n", name);
         ysuccess(false);
         return;
     }
 
     DLOG("should switch to workspace %s\n", name);
     if (maybe_back_and_forth(cmd_output, name))
-       return;
+        return;
     workspace_show_by_name(name);
 
     cmd_output->needs_tree_render = true;
@@ -1004,7 +1028,7 @@ void cmd_mark(I3_CMD, char *mark) {
     DLOG("Clearing all windows which have that mark first\n");
 
     Con *con;
-    TAILQ_FOREACH(con, &all_cons, all_cons) {
+    TAILQ_FOREACH (con, &all_cons, all_cons) {
         if (con->mark && strcmp(con->mark, mark) == 0)
             FREE(con->mark);
     }
@@ -1014,7 +1038,7 @@ void cmd_mark(I3_CMD, char *mark) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         current->con->mark = sstrdup(mark);
     }
@@ -1029,19 +1053,19 @@ void cmd_mark(I3_CMD, char *mark) {
  *
  */
 void cmd_unmark(I3_CMD, char *mark) {
-   if (mark == NULL) {
-       Con *con;
-       TAILQ_FOREACH(con, &all_cons, all_cons) {
-           FREE(con->mark);
-       }
-       DLOG("removed all window marks");
-   } else {
-       Con *con;
-       TAILQ_FOREACH(con, &all_cons, all_cons) {
-           if (con->mark && strcmp(con->mark, mark) == 0)
-               FREE(con->mark);
-       }
-       DLOG("removed window mark %s\n", mark);
+    if (mark == NULL) {
+        Con *con;
+        TAILQ_FOREACH (con, &all_cons, all_cons) {
+            FREE(con->mark);
+        }
+        DLOG("removed all window marks");
+    } else {
+        Con *con;
+        TAILQ_FOREACH (con, &all_cons, all_cons) {
+            if (con->mark && strcmp(con->mark, mark) == 0)
+                FREE(con->mark);
+        }
+        DLOG("removed window mark %s\n", mark);
     }
 
     cmd_output->needs_tree_render = true;
@@ -1077,8 +1101,8 @@ void cmd_move_con_to_output(I3_CMD, char *name) {
     Output *output;
 
     // TODO: fix the handling of criteria
-    TAILQ_FOREACH(current, &owindows, owindows)
-        current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
+    TAILQ_FOREACH (current, &owindows, owindows)
+        current_output = get_output_of_con(current->con);
 
     assert(current_output != NULL);
 
@@ -1108,7 +1132,7 @@ void cmd_move_con_to_output(I3_CMD, char *name) {
         return;
     }
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_move_to_workspace(current->con, ws, true, false);
     }
@@ -1129,7 +1153,7 @@ void cmd_floating(I3_CMD, char *floating_mode) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         if (strcmp(floating_mode, "toggle") == 0) {
             DLOG("should toggle mode\n");
@@ -1159,9 +1183,8 @@ void cmd_move_workspace_to_output(I3_CMD, char *name) {
     HANDLE_EMPTY_MATCH;
 
     owindow *current;
-    TAILQ_FOREACH(current, &owindows, owindows) {
-        Output *current_output = get_output_containing(current->con->rect.x,
-                                                       current->con->rect.y);
+    TAILQ_FOREACH (current, &owindows, owindows) {
+        Output *current_output = get_output_of_con(current->con);
         if (!current_output) {
             ELOG("Cannot get current output. This is a bug in i3.\n");
             ysuccess(false);
@@ -1190,13 +1213,13 @@ void cmd_move_workspace_to_output(I3_CMD, char *name) {
             /* check if we can find a workspace assigned to this output */
             bool used_assignment = false;
             struct Workspace_Assignment *assignment;
-            TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+            TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
                 if (strcmp(assignment->output, current_output->name) != 0)
                     continue;
 
                 /* check if this workspace is already attached to the tree */
                 Con *workspace = NULL, *out;
-                TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
+                TAILQ_FOREACH (out, &(croot->nodes_head), nodes)
                     GREP_FIRST(workspace, output_get_content(out),
                                !strcasecmp(child->name, assignment->name));
                 if (workspace != NULL)
@@ -1233,7 +1256,7 @@ void cmd_move_workspace_to_output(I3_CMD, char *name) {
 
         /* fix the coordinates of the floating containers */
         Con *floating_con;
-        TAILQ_FOREACH(floating_con, &(ws->floating_head), floating_windows)
+        TAILQ_FOREACH (floating_con, &(ws->floating_head), floating_windows)
             floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
 
         ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"move\"}");
@@ -1247,7 +1270,7 @@ void cmd_move_workspace_to_output(I3_CMD, char *name) {
          * focus order/number of other workspaces on the output.
          * Instead, we loop through the available workspaces and only work with
          * previously_visible_ws if we still find it. */
-        TAILQ_FOREACH(ws, &(content->nodes_head), nodes) {
+        TAILQ_FOREACH (ws, &(content->nodes_head), nodes) {
             if (ws != previously_visible_ws)
                 continue;
 
@@ -1275,7 +1298,7 @@ void cmd_split(I3_CMD, char *direction) {
     if (match_is_empty(current_match))
         tree_split(focused, (direction[0] == 'v' ? VERT : HORIZ));
     else {
-        TAILQ_FOREACH(current, &owindows, owindows) {
+        TAILQ_FOREACH (current, &owindows, owindows) {
             DLOG("matching: %p / %s\n", current->con, current->con->name);
             tree_split(current->con, (direction[0] == 'v' ? VERT : HORIZ));
         }
@@ -1312,7 +1335,7 @@ void cmd_kill(I3_CMD, char *kill_mode_str) {
     if (match_is_empty(current_match))
         tree_close_con(kill_mode);
     else {
-        TAILQ_FOREACH(current, &owindows, owindows) {
+        TAILQ_FOREACH (current, &owindows, owindows) {
             DLOG("matching: %p / %s\n", current->con, current->con->name);
             tree_close(current->con, kill_mode, false, false);
         }
@@ -1377,9 +1400,10 @@ void cmd_focus_window_mode(I3_CMD, char *window_mode) {
             current = TAILQ_FIRST(&(ws->focus_head));
             if (current != NULL && current->type == CT_FLOATING_CON)
                 window_mode = "tiling";
-            else window_mode = "floating";
+            else
+                window_mode = "floating";
         }
-        TAILQ_FOREACH(current, &(ws->focus_head), focused) {
+        TAILQ_FOREACH (current, &(ws->focus_head), focused) {
             if ((strcmp(window_mode, "floating") == 0 && current->type != CT_FLOATING_CON) ||
                 (strcmp(window_mode, "tiling") == 0 && current->type == CT_FLOATING_CON))
                 continue;
@@ -1414,7 +1438,8 @@ void cmd_focus_level(I3_CMD, char *level) {
     }
 
     /* Focusing a child should always be allowed. */
-    else success = level_down();
+    else
+        success = level_down();
 
     cmd_output->needs_tree_render = success;
     // XXX: default reply for now, make this a better reply
@@ -1440,7 +1465,7 @@ void cmd_focus(I3_CMD) {
     Con *__i3_scratch = workspace_get("__i3_scratch", NULL);
     int count = 0;
     owindow *current;
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         Con *ws = con_get_workspace(current->con);
         /* If no workspace could be found, this was a dock window.
          * Just skip it, you cannot focus dock windows. */
@@ -1489,7 +1514,8 @@ void cmd_focus(I3_CMD) {
 
     if (count > 1)
         LOG("WARNING: Your criteria for the focus command matches %d containers, "
-            "while only exactly one container can be focused at a time.\n", count);
+            "while only exactly one container can be focused at a time.\n",
+            count);
 
     cmd_output->needs_tree_render = true;
     // XXX: default reply for now, make this a better reply
@@ -1508,7 +1534,7 @@ void cmd_fullscreen(I3_CMD, char *fullscreen_mode) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         con_toggle_fullscreen(current->con, (strcmp(fullscreen_mode, "global") == 0 ? CF_GLOBAL : CF_OUTPUT));
     }
@@ -1542,10 +1568,7 @@ void cmd_move_direction(I3_CMD, char *direction, char *move_px) {
         }
         floating_reposition(focused->parent, newrect);
     } else {
-        tree_move((strcmp(direction, "right") == 0 ? D_RIGHT :
-                   (strcmp(direction, "left") == 0 ? D_LEFT :
-                    (strcmp(direction, "up") == 0 ? D_UP :
-                     D_DOWN))));
+        tree_move((strcmp(direction, "right") == 0 ? D_RIGHT : (strcmp(direction, "left") == 0 ? D_LEFT : (strcmp(direction, "up") == 0 ? D_UP : D_DOWN))));
         cmd_output->needs_tree_render = true;
     }
 
@@ -1584,7 +1607,7 @@ void cmd_layout(I3_CMD, char *layout_str) {
     if (match_is_empty(current_match))
         con_set_layout(focused, layout);
     else {
-        TAILQ_FOREACH(current, &owindows, owindows) {
+        TAILQ_FOREACH (current, &owindows, owindows) {
             DLOG("matching: %p / %s\n", current->con, current->con->name);
             con_set_layout(current->con, layout);
         }
@@ -1611,7 +1634,7 @@ void cmd_layout_toggle(I3_CMD, char *toggle_mode) {
     if (match_is_empty(current_match))
         con_toggle_layout(focused, toggle_mode);
     else {
-        TAILQ_FOREACH(current, &owindows, owindows) {
+        TAILQ_FOREACH (current, &owindows, owindows) {
             DLOG("matching: %p / %s\n", current->con, current->con->name);
             con_toggle_layout(current->con, toggle_mode);
         }
@@ -1628,6 +1651,8 @@ void cmd_layout_toggle(I3_CMD, char *toggle_mode) {
  */
 void cmd_exit(I3_CMD) {
     LOG("Exiting due to user command.\n");
+    ipc_shutdown();
+    unlink(config.ipc_socket_path);
     xcb_disconnect(conn);
     exit(0);
 
@@ -1659,6 +1684,14 @@ void cmd_reload(I3_CMD) {
  */
 void cmd_restart(I3_CMD) {
     LOG("restarting i3\n");
+    ipc_shutdown();
+    /* We need to call this manually since atexit handlers don’t get called
+     * when exec()ing */
+    purge_zerobyte_logfile();
+    /* The unlink call is intentionally after the purge_zerobyte_logfile() so
+     * that the latter does not remove the directory yet. We need to store the
+     * restart layout state in there. */
+    unlink(config.ipc_socket_path);
     i3_restart(false);
 
     // XXX: default reply for now, make this a better reply
@@ -1700,8 +1733,8 @@ void cmd_focus_output(I3_CMD, char *name) {
     Output *current_output = NULL;
     Output *output;
 
-    TAILQ_FOREACH(current, &owindows, owindows)
-        current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
+    TAILQ_FOREACH (current, &owindows, owindows)
+        current_output = get_output_of_con(current->con);
     assert(current_output != NULL);
 
     output = get_output_from_string(current_output, name);
@@ -1732,7 +1765,6 @@ void cmd_focus_output(I3_CMD, char *name) {
  *
  */
 void cmd_move_window_to_position(I3_CMD, char *method, char *cx, char *cy) {
-
     int x = atoi(cx);
     int y = atoi(cy);
 
@@ -1770,7 +1802,6 @@ void cmd_move_window_to_position(I3_CMD, char *method, char *cx, char *cy) {
  *
  */
 void cmd_move_window_to_center(I3_CMD, char *method) {
-
     if (!con_is_floating(focused)) {
         ELOG("Cannot change position. The window/container is not floating\n");
         yerror("Cannot change position. The window/container is not floating.");
@@ -1781,8 +1812,8 @@ void cmd_move_window_to_center(I3_CMD, char *method) {
         Rect *rect = &focused->parent->rect;
 
         DLOG("moving to absolute center\n");
-        rect->x = croot->rect.width/2 - rect->width/2;
-        rect->y = croot->rect.height/2 - rect->height/2;
+        rect->x = croot->rect.width / 2 - rect->width / 2;
+        rect->y = croot->rect.height / 2 - rect->height / 2;
 
         floating_maybe_reassign_ws(focused->parent);
         cmd_output->needs_tree_render = true;
@@ -1793,8 +1824,8 @@ void cmd_move_window_to_center(I3_CMD, char *method) {
         Rect newrect = focused->parent->rect;
 
         DLOG("moving to center\n");
-        newrect.x = wsrect->width/2 - newrect.width/2;
-        newrect.y = wsrect->height/2 - newrect.height/2;
+        newrect.x = wsrect->width / 2 - newrect.width / 2;
+        newrect.y = wsrect->height / 2 - newrect.height / 2;
 
         floating_reposition(focused->parent, newrect);
     }
@@ -1813,7 +1844,7 @@ void cmd_move_scratchpad(I3_CMD) {
 
     HANDLE_EMPTY_MATCH;
 
-    TAILQ_FOREACH(current, &owindows, owindows) {
+    TAILQ_FOREACH (current, &owindows, owindows) {
         DLOG("matching: %p / %s\n", current->con, current->con->name);
         scratchpad_move(current->con);
     }
@@ -1834,7 +1865,7 @@ void cmd_scratchpad_show(I3_CMD) {
     if (match_is_empty(current_match)) {
         scratchpad_show(NULL);
     } else {
-        TAILQ_FOREACH(current, &owindows, owindows) {
+        TAILQ_FOREACH (current, &owindows, owindows) {
             DLOG("matching: %p / %s\n", current->con, current->con->name);
             scratchpad_show(current->con);
         }
@@ -1850,6 +1881,11 @@ void cmd_scratchpad_show(I3_CMD) {
  *
  */
 void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
+    if (strncasecmp(new_name, "__", strlen("__")) == 0) {
+        LOG("Cannot rename workspace to \"%s\": names starting with __ are i3-internal.", new_name);
+        ysuccess(false);
+        return;
+    }
     if (old_name) {
         LOG("Renaming workspace \"%s\" to \"%s\"\n", old_name, new_name);
     } else {
@@ -1858,9 +1894,9 @@ void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
 
     Con *output, *workspace = NULL;
     if (old_name) {
-        TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+        TAILQ_FOREACH (output, &(croot->nodes_head), nodes)
             GREP_FIRST(workspace, output_get_content(output),
-                !strcasecmp(child->name, old_name));
+                       !strcasecmp(child->name, old_name));
     } else {
         workspace = con_get_workspace(focused);
     }
@@ -1874,9 +1910,9 @@ void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
     }
 
     Con *check_dest = NULL;
-    TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+    TAILQ_FOREACH (output, &(croot->nodes_head), nodes)
         GREP_FIRST(check_dest, output_get_content(output),
-            !strcasecmp(child->name, new_name));
+                   !strcasecmp(child->name, new_name));
 
     if (check_dest != NULL) {
         // TODO: we should include the new workspace name here and use yajl for
@@ -1896,7 +1932,8 @@ void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
         parsed_num < 0 ||
         endptr == new_name)
         workspace->num = -1;
-    else workspace->num = parsed_num;
+    else
+        workspace->num = parsed_num;
     LOG("num = %d\n", workspace->num);
 
     /* By re-attaching, the sort order will be correct afterwards. */
@@ -1935,7 +1972,7 @@ bool cmd_bar_mode(char *bar_mode, char *bar_id) {
 
     bool changed_sth = false;
     Barconfig *current = NULL;
-    TAILQ_FOREACH(current, &barconfigs, configs) {
+    TAILQ_FOREACH (current, &barconfigs, configs) {
         if (bar_id && strcmp(current->id, bar_id) != 0)
             continue;
 
@@ -1947,7 +1984,7 @@ bool cmd_bar_mode(char *bar_mode, char *bar_id) {
         changed_sth = true;
 
         if (bar_id)
-             break;
+            break;
     }
 
     if (bar_id && !changed_sth) {
@@ -1978,7 +2015,7 @@ bool cmd_bar_hidden_state(char *bar_hidden_state, char *bar_id) {
 
     bool changed_sth = false;
     Barconfig *current = NULL;
-    TAILQ_FOREACH(current, &barconfigs, configs) {
+    TAILQ_FOREACH (current, &barconfigs, configs) {
         if (bar_id && strcmp(current->id, bar_id) != 0)
             continue;
 
@@ -1990,7 +2027,7 @@ bool cmd_bar_hidden_state(char *bar_hidden_state, char *bar_id) {
         changed_sth = true;
 
         if (bar_id)
-             break;
+            break;
     }
 
     if (bar_id && !changed_sth) {
@@ -2028,7 +2065,7 @@ void cmd_bar(I3_CMD, char *bar_type, char *bar_value, char *bar_id) {
  *
  */
 void cmd_shmlog(I3_CMD, char *argument) {
-    if (!strcmp(argument,"toggle"))
+    if (!strcmp(argument, "toggle"))
         /* Toggle shm log, if size is not 0. If it is 0, set it to default. */
         shmlog_size = shmlog_size ? -shmlog_size : default_shmlog_size;
     else if (!strcmp(argument, "on"))
@@ -2060,7 +2097,7 @@ void cmd_shmlog(I3_CMD, char *argument) {
  */
 void cmd_debuglog(I3_CMD, char *argument) {
     bool logging = get_debug_logging();
-    if (!strcmp(argument,"toggle")) {
+    if (!strcmp(argument, "toggle")) {
         LOG("%s debug logging\n", logging ? "Disabling" : "Enabling");
         set_debug_logging(!logging);
     } else if (!strcmp(argument, "on") && !logging) {