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commands.c
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commands.c
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#undef I3__FILE__
#define I3__FILE__ "commands.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* commands.c: all command functions (see commands_parser.c)
*
*/
#include <float.h>
#include <stdarg.h>
#ifdef I3_ASAN_ENABLED
#include <sanitizer/lsan_interface.h>
#endif
#include "all.h"
#include "shmlog.h"
// Macros to make the YAJL API a bit easier to use.
#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(format, ...) \
do { \
if (cmd_output->json_gen != NULL) { \
char *message; \
sasprintf(&message, format, ##__VA_ARGS__); \
y(map_open); \
ystr("success"); \
y(bool, false); \
ystr("error"); \
ystr(message); \
y(map_close); \
free(message); \
} \
} while (0)
/** If an error occured during parsing of the criteria, we want to exit instead
* of relying on fallback behavior. See #2091. */
#define HANDLE_INVALID_MATCH \
do { \
if (current_match->error != NULL) { \
yerror("Invalid match: %s", current_match->error); \
return; \
} \
} 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 { \
HANDLE_INVALID_MATCH; \
\
if (match_is_empty(current_match)) { \
while (!TAILQ_EMPTY(&owindows)) { \
owindow *ow = TAILQ_FIRST(&owindows); \
TAILQ_REMOVE(&owindows, ow, owindows); \
free(ow); \
} \
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);
}
/*
* 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;
}
/*
* Checks whether we switched to a new workspace and returns false in that case,
* signaling that further workspace switching should be done by the calling function
* If not, calls workspace_back_and_forth() if workspace_auto_back_and_forth is set
* and return true, signaling that no further workspace switching should occur in the calling function.
*
*/
static bool maybe_back_and_forth(struct CommandResultIR *cmd_output, const char *name) {
Con *ws = con_get_workspace(focused);
/* If we switched to a different workspace, do nothing */
if (strcmp(ws->name, name) != 0)
return false;
DLOG("This workspace is already focused.\n");
if (config.workspace_auto_back_and_forth) {
workspace_back_and_forth();
cmd_output->needs_tree_render = true;
}
return true;
}
/*
* Return the passed workspace unless it is the current one and auto back and
* forth is enabled, in which case the back_and_forth workspace is returned.
*/
static Con *maybe_auto_back_and_forth_workspace(Con *workspace) {
Con *current, *baf;
if (!config.workspace_auto_back_and_forth)
return workspace;
current = con_get_workspace(focused);
if (current == workspace) {
baf = workspace_back_and_forth_get();
if (baf != NULL) {
DLOG("Substituting workspace with back_and_forth, as it is focused.\n");
return baf;
}
}
return workspace;
}
/*******************************************************************************
* Criteria functions.
******************************************************************************/
/*
* Helper data structure for an operation window (window on which the operation
* will be performed). Used to build the TAILQ owindows.
*
*/
typedef struct owindow {
Con *con;
TAILQ_ENTRY(owindow) owindows;
} owindow;
typedef TAILQ_HEAD(owindows_head, owindow) owindows_head;
static owindows_head owindows;
/*
* Initializes the specified 'Match' data structure and the initial state of
* commands.c for matching target windows of a command.
*
*/
void cmd_criteria_init(I3_CMD) {
Con *con;
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);
TAILQ_REMOVE(&owindows, ow, owindows);
free(ow);
}
TAILQ_INIT(&owindows);
/* copy all_cons */
TAILQ_FOREACH(con, &all_cons, all_cons) {
ow = smalloc(sizeof(owindow));
ow->con = con;
TAILQ_INSERT_TAIL(&owindows, ow, owindows);
}
}
/*
* A match specification just finished (the closing square bracket was found),
* so we filter the list of owindows.
*
*/
void cmd_criteria_match_windows(I3_CMD) {
owindow *next, *current;
DLOG("match specification finished, matching...\n");
/* copy the old list head to iterate through it and start with a fresh
* list which will contain only matching windows */
struct owindows_head old = owindows;
TAILQ_INIT(&owindows);
for (next = TAILQ_FIRST(&old); next != TAILQ_END(&old);) {
/* make a copy of the next pointer and advance the pointer to the
* next element as we are going to invalidate the element’s
* next/prev pointers by calling TAILQ_INSERT_TAIL later */
current = next;
next = TAILQ_NEXT(next, owindows);
DLOG("checking if con %p / %s matches\n", current->con, current->con->name);
/* We use this flag to prevent matching on window-less containers if
* only window-specific criteria were specified. */
bool accept_match = false;
if (current_match->con_id != NULL) {
accept_match = true;
if (current_match->con_id == current->con) {
DLOG("con_id matched.\n");
} else {
DLOG("con_id does not match.\n");
FREE(current);
continue;
}
}
if (current_match->mark != NULL && !TAILQ_EMPTY(&(current->con->marks_head))) {
accept_match = true;
bool matched_by_mark = false;
mark_t *mark;
TAILQ_FOREACH(mark, &(current->con->marks_head), marks) {
if (!regex_matches(current_match->mark, mark->name))
continue;
DLOG("match by mark\n");
matched_by_mark = true;
break;
}
if (!matched_by_mark) {
DLOG("mark does not match.\n");
FREE(current);
continue;
}
}
if (current->con->window != NULL) {
if (match_matches_window(current_match, current->con->window)) {
DLOG("matches window!\n");
accept_match = true;
} else {
DLOG("doesn't match\n");
FREE(current);
continue;
}
}
if (accept_match) {
TAILQ_INSERT_TAIL(&owindows, current, owindows);
} else {
FREE(current);
continue;
}
}
TAILQ_FOREACH(current, &owindows, owindows) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
}
}
/*
* Interprets a ctype=cvalue pair and adds it to the current match
* specification.
*
*/
void cmd_criteria_add(I3_CMD, const char *ctype, const char *cvalue) {
match_parse_property(current_match, ctype, cvalue);
}
/*
* Implementation of 'move [window|container] [to] workspace
* next|prev|next_on_output|prev_on_output|current'.
*
*/
void cmd_move_con_to_workspace(I3_CMD, const char *which) {
owindow *current;
DLOG("which=%s\n", which);
/* We have nothing to move:
* when criteria was specified but didn't match any window or
* 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))) {
ysuccess(false);
return;
}
HANDLE_EMPTY_MATCH;
/* get the workspace */
Con *ws;
if (strcmp(which, "next") == 0)
ws = workspace_next();
else if (strcmp(which, "prev") == 0)
ws = workspace_prev();
else if (strcmp(which, "next_on_output") == 0)
ws = workspace_next_on_output();
else if (strcmp(which, "prev_on_output") == 0)
ws = workspace_prev_on_output();
else if (strcmp(which, "current") == 0)
ws = con_get_workspace(focused);
else {
ELOG("BUG: called with which=%s\n", which);
ysuccess(false);
return;
}
TAILQ_FOREACH(current, &owindows, owindows) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
con_move_to_workspace(current->con, ws, true, false, false);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/**
* Implementation of 'move [window|container] [to] workspace back_and_forth'.
*
*/
void cmd_move_con_to_workspace_back_and_forth(I3_CMD) {
owindow *current;
Con *ws;
ws = workspace_back_and_forth_get();
if (ws == NULL) {
yerror("No workspace was previously active.");
return;
}
HANDLE_EMPTY_MATCH;
TAILQ_FOREACH(current, &owindows, owindows) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
con_move_to_workspace(current->con, ws, true, false, false);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'move [--no-auto-back-and-forth] [window|container] [to] workspace <name>'.
*
*/
void cmd_move_con_to_workspace_name(I3_CMD, const char *name, const char *_no_auto_back_and_forth) {
if (strncasecmp(name, "__", strlen("__")) == 0) {
LOG("You cannot move containers to i3-internal workspaces (\"%s\").\n", name);
ysuccess(false);
return;
}
const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
owindow *current;
/* We have nothing to move:
* when criteria was specified but didn't match any window or
* when criteria wasn't specified and we don't have any window focused. */
if (!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) {
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)) {
ysuccess(false);
return;
}
LOG("should move window to workspace %s\n", name);
/* get the workspace */
Con *ws = workspace_get(name, NULL);
if (!no_auto_back_and_forth)
ws = maybe_auto_back_and_forth_workspace(ws);
HANDLE_EMPTY_MATCH;
TAILQ_FOREACH(current, &owindows, owindows) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
con_move_to_workspace(current->con, ws, true, false, false);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'move [--no-auto-back-and-forth] [window|container] [to] workspace number <name>'.
*
*/
void cmd_move_con_to_workspace_number(I3_CMD, const char *which, const char *_no_auto_back_and_forth) {
const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
owindow *current;
/* We have nothing to move:
* when criteria was specified but didn't match any window or
* 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))) {
ysuccess(false);
return;
}
LOG("should move window to workspace %s\n", which);
/* get the workspace */
Con *output, *workspace = NULL;
long parsed_num = ws_name_to_number(which);
if (parsed_num == -1) {
LOG("Could not parse initial part of \"%s\" as a number.\n", which);
yerror("Could not parse number \"%s\"", which);
return;
}
TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
GREP_FIRST(workspace, output_get_content(output),
child->num == parsed_num);
if (!workspace) {
workspace = workspace_get(which, NULL);
}
if (!no_auto_back_and_forth)
workspace = maybe_auto_back_and_forth_workspace(workspace);
HANDLE_EMPTY_MATCH;
TAILQ_FOREACH(current, &owindows, owindows) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
con_move_to_workspace(current->con, workspace, true, false, false);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
static void cmd_resize_floating(I3_CMD, const char *way, const char *direction, Con *floating_con, int px) {
LOG("floating resize\n");
Rect old_rect = floating_con->rect;
Con *focused_con = con_descend_focused(floating_con);
/* ensure that resize will take place even if pixel increment is smaller than
* height increment or width increment.
* fixes #1011 */
const i3Window *window = focused_con->window;
if (window != NULL) {
if (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0 ||
strcmp(direction, "height") == 0) {
if (px < 0)
px = (-px < window->height_increment) ? -window->height_increment : px;
else
px = (px < window->height_increment) ? window->height_increment : px;
} else if (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0) {
if (px < 0)
px = (-px < window->width_increment) ? -window->width_increment : px;
else
px = (px < window->width_increment) ? window->width_increment : px;
}
}
if (strcmp(direction, "up") == 0) {
floating_con->rect.height += px;
} else if (strcmp(direction, "down") == 0 || strcmp(direction, "height") == 0) {
floating_con->rect.height += px;
} else if (strcmp(direction, "left") == 0) {
floating_con->rect.width += px;
} else {
floating_con->rect.width += px;
}
floating_check_size(floating_con);
/* Did we actually resize anything or did the size constraints prevent us?
* If we could not resize, exit now to not move the window. */
if (memcmp(&old_rect, &(floating_con->rect), sizeof(Rect)) == 0)
return;
if (strcmp(direction, "up") == 0) {
floating_con->rect.y -= (floating_con->rect.height - old_rect.height);
} else if (strcmp(direction, "left") == 0) {
floating_con->rect.x -= (floating_con->rect.width - old_rect.width);
}
/* If this is a scratchpad window, don't auto center it from now on. */
if (floating_con->scratchpad_state == SCRATCHPAD_FRESH)
floating_con->scratchpad_state = SCRATCHPAD_CHANGED;
}
static bool cmd_resize_tiling_direction(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
LOG("tiling resize\n");
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;
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;
}
/* 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_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");
}
return true;
}
static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
LOG("width/height resize\n");
/* get the appropriate current container (skip stacked/tabbed cons) */
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, "width") == 0 ? HORIZ : VERT);
while (current->type != CT_WORKSPACE &&
current->type != CT_FLOATING_CON &&
(con_orientation(current->parent) != search_orientation || con_num_children(current->parent) == 1))
current = current->parent;
/* get the default percentage */
int children = con_num_children(current->parent);
LOG("ins. %d children\n", children);
double percentage = 1.0 / children;
LOG("default percentage = %f\n", percentage);
orientation_t orientation = con_orientation(current->parent);
if ((orientation == HORIZ &&
strcmp(direction, "height") == 0) ||
(orientation == VERT &&
strcmp(direction, "width") == 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 (children == 1) {
LOG("This is the only container, cannot resize.\n");
ysuccess(false);
return false;
}
/* Ensure all the other children have a percentage set. */
Con *child;
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;
}
double new_current_percent = current->percent + ((double)ppt / 100.0);
double subtract_percent = ((double)ppt / 100.0) / (children - 1);
LOG("new_current_percent = %f\n", new_current_percent);
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) {
if (child == current)
continue;
if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
LOG("Not resizing, already at minimum size (child %p would end up with a size of %.f\n", child, child->percent - subtract_percent);
ysuccess(false);
return false;
}
}
if (!definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON)) {
LOG("Not resizing, already at minimum size\n");
ysuccess(false);
return false;
}
current->percent += ((double)ppt / 100.0);
LOG("current->percent after = %f\n", current->percent);
TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
if (child == current)
continue;
child->percent -= subtract_percent;
LOG("child->percent after (%p) = %f\n", child, child->percent);
}
return true;
}
/*
* Implementation of 'resize grow|shrink <direction> [<px> px] [or <ppt> ppt]'.
*
*/
void cmd_resize(I3_CMD, const char *way, const char *direction, long resize_px, long resize_ppt) {
DLOG("resizing in way %s, direction %s, px %ld or ppt %ld\n", way, direction, resize_px, resize_ppt);
if (strcmp(way, "shrink") == 0) {
resize_px *= -1;
resize_ppt *= -1;
}
HANDLE_EMPTY_MATCH;
owindow *current;
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, resize_px);
} else {
if (strcmp(direction, "width") == 0 ||
strcmp(direction, "height") == 0) {
if (!cmd_resize_tiling_width_height(current_match, cmd_output,
current->con, way, direction, resize_ppt))
return;
} else {
if (!cmd_resize_tiling_direction(current_match, cmd_output,
current->con, way, direction, resize_ppt))
return;
}
}
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'resize set <px> [px] <px> [px]'.
*
*/
void cmd_resize_set(I3_CMD, long cwidth, long cheight) {
DLOG("resizing to %ldx%ld px\n", cwidth, cheight);
if (cwidth <= 0 || cheight <= 0) {
ELOG("Resize failed: dimensions cannot be negative (was %ldx%ld)\n", cwidth, cheight);
return;
}
HANDLE_EMPTY_MATCH;
owindow *current;
TAILQ_FOREACH(current, &owindows, owindows) {
Con *floating_con;
if ((floating_con = con_inside_floating(current->con))) {
floating_resize(floating_con, cwidth, cheight);
} else {
ELOG("Resize failed: %p not a floating container\n", current->con);
}
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'border normal|pixel [<n>]', 'border none|1pixel|toggle'.
*
*/
void cmd_border(I3_CMD, const char *border_style_str, const 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) {
DLOG("matching: %p / %s\n", current->con, current->con->name);
int border_style = current->con->border_style;
char *end;
int tmp_border_width = -1;
tmp_border_width = strtol(border_width, &end, 10);
if (end == border_width) {
/* no valid digits found */
tmp_border_width = -1;
}
if (strcmp(border_style_str, "toggle") == 0) {
border_style++;
border_style %= 3;
if (border_style == BS_NORMAL)
tmp_border_width = 2;
else if (border_style == BS_NONE)
tmp_border_width = 0;
else if (border_style == BS_PIXEL)
tmp_border_width = 1;
} else {
if (strcmp(border_style_str, "normal") == 0)
border_style = BS_NORMAL;
else if (strcmp(border_style_str, "pixel") == 0)
border_style = BS_PIXEL;
else if (strcmp(border_style_str, "1pixel") == 0) {
border_style = BS_PIXEL;
tmp_border_width = 1;
} else if (strcmp(border_style_str, "none") == 0)
border_style = BS_NONE;
else {
ELOG("BUG: called with border_style=%s\n", border_style_str);
ysuccess(false);
return;
}
}
con_set_border_style(current->con, border_style, tmp_border_width);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'nop <comment>'.
*
*/
void cmd_nop(I3_CMD, const char *comment) {
LOG("-------------------------------------------------\n");
LOG(" NOP: %s\n", comment);
LOG("-------------------------------------------------\n");
}
/*
* Implementation of 'append_layout <path>'.
*
*/
void cmd_append_layout(I3_CMD, const char *cpath) {
char *path = sstrdup(cpath);
LOG("Appending layout \"%s\"\n", path);
/* Make sure we allow paths like '~/.i3/layout.json' */
path = resolve_tilde(path);
json_content_t content = json_determine_content(path);
LOG("JSON content = %d\n", content);
if (content == JSON_CONTENT_UNKNOWN) {
ELOG("Could not determine the contents of \"%s\", not loading.\n", path);
yerror("Could not determine the contents of \"%s\".", path);
free(path);
return;
}
Con *parent = focused;
if (content == JSON_CONTENT_WORKSPACE) {
parent = output_get_content(con_get_output(parent));
} else {
/* 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 — 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);
if (content == JSON_CONTENT_WORKSPACE)
ipc_send_workspace_event("restored", parent, NULL);
free(path);
cmd_output->needs_tree_render = true;
}
/*
* Implementation of 'workspace next|prev|next_on_output|prev_on_output'.
*
*/
void cmd_workspace(I3_CMD, const char *which) {
Con *ws;
DLOG("which=%s\n", which);
if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
LOG("Cannot switch workspace while in global fullscreen\n");
ysuccess(false);
return;
}
if (strcmp(which, "next") == 0)
ws = workspace_next();
else if (strcmp(which, "prev") == 0)
ws = workspace_prev();
else if (strcmp(which, "next_on_output") == 0)
ws = workspace_next_on_output();
else if (strcmp(which, "prev_on_output") == 0)
ws = workspace_prev_on_output();
else {
ELOG("BUG: called with which=%s\n", which);
ysuccess(false);
return;
}
workspace_show(ws);
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'workspace [--no-auto-back-and-forth] number <name>'
*
*/
void cmd_workspace_number(I3_CMD, const char *which, const char *_no_auto_back_and_forth) {
const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
Con *output, *workspace = NULL;
if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
LOG("Cannot switch workspace while in global fullscreen\n");
ysuccess(false);
return;
}
long parsed_num = ws_name_to_number(which);
if (parsed_num == -1) {
LOG("Could not parse initial part of \"%s\" as a number.\n", which);
yerror("Could not parse number \"%s\"", which);
return;
}
TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
GREP_FIRST(workspace, output_get_content(output),
child->num == parsed_num);
if (!workspace) {
LOG("There is no workspace with number %ld, creating a new one.\n", parsed_num);
ysuccess(true);
workspace_show_by_name(which);
cmd_output->needs_tree_render = true;
return;
}
if (!no_auto_back_and_forth && maybe_back_and_forth(cmd_output, workspace->name))
return;
workspace_show(workspace);
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'workspace back_and_forth'.
*
*/
void cmd_workspace_back_and_forth(I3_CMD) {
if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
LOG("Cannot switch workspace while in global fullscreen\n");
ysuccess(false);
return;
}
workspace_back_and_forth();
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'workspace [--no-auto-back-and-forth] <name>'
*
*/
void cmd_workspace_name(I3_CMD, const char *name, const char *_no_auto_back_and_forth) {
const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
if (strncasecmp(name, "__", strlen("__")) == 0) {
LOG("You cannot switch to the i3-internal workspaces (\"%s\").\n", name);
ysuccess(false);
return;
}
if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
LOG("Cannot switch workspace while in global fullscreen\n");
ysuccess(false);
return;
}
DLOG("should switch to workspace %s\n", name);
if (!no_auto_back_and_forth && maybe_back_and_forth(cmd_output, name))
return;
workspace_show_by_name(name);
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'mark [--add|--replace] [--toggle] <mark>'
*
*/
void cmd_mark(I3_CMD, const char *mark, const char *mode, const char *toggle) {
HANDLE_EMPTY_MATCH;
owindow *current = TAILQ_FIRST(&owindows);
if (current == NULL) {
ysuccess(false);
return;
}
/* Marks must be unique, i.e., no two windows must have the same mark. */
if (current != TAILQ_LAST(&owindows, owindows_head)) {
yerror("A mark must not be put onto more than one window");
return;
}
DLOG("matching: %p / %s\n", current->con, current->con->name);
mark_mode_t mark_mode = (mode == NULL || strcmp(mode, "--replace") == 0) ? MM_REPLACE : MM_ADD;
if (toggle != NULL) {
con_mark_toggle(current->con, mark, mark_mode);
} else {
con_mark(current->con, mark, mark_mode);
}
cmd_output->needs_tree_render = true;
// XXX: default reply for now, make this a better reply
ysuccess(true);
}
/*
* Implementation of 'unmark [mark]'
*