// switches parent focus to c. will switch it accordingly
// TODO: Everything needs a handle, so we can set front/back position properly
static void update_focus(swayc_t *c) {
// Handle if focus switches
swayc_t *parent = c->parent;
if (parent->focused != c) {
switch (c->type) {
case C_ROOT: return;
case C_OUTPUT:
wlc_output_focus(c->handle);
break;
// switching workspaces
case C_WORKSPACE:
if (parent->focused) {
swayc_t *ws = parent->focused;
// hide visibility of old workspace
uint32_t mask = 1;
container_map(ws, set_view_visibility, &mask);
// set visibility of new workspace
mask = 2;
container_map(c, set_view_visibility, &mask);
wlc_output_set_mask(parent->handle, 2);
destroy_workspace(ws);
}
active_workspace = c;
break;
default:
case C_VIEW:
case C_CONTAINER:
// TODO whatever to do when container changes
// for example, stacked and tabbing change stuff.
break;
}
}
c->parent->focused = c;
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
}
char buf[client->payload_length + 1];
if (client->payload_length > 0)
{
ssize_t received = recv(client->fd, buf, client->payload_length, 0);
if (received == -1)
{
sway_log_errno(L_INFO, "Unable to receive payload from IPC client");
ipc_client_disconnect(client);
return;
}
}
switch (client->current_command) {
case IPC_COMMAND:
{
buf[client->payload_length] = '\0';
bool success = handle_command(config, buf);
char reply[64];
int length = snprintf(reply, sizeof(reply), "{\"success\":%s}", success ? "true" : "false");
ipc_send_reply(client, reply, (uint32_t) length);
break;
}
case IPC_GET_WORKSPACES:
{
list_t *workspaces = create_list();
container_map(&root_container, ipc_get_workspaces_callback, workspaces);
char *json = json_list(workspaces);
free_flat_list(workspaces);
ipc_send_reply(client, json, strlen(json));
free(json);
break;
}
case IPC_GET_OUTPUTS:
{
list_t *outputs = create_list();
container_map(&root_container, ipc_get_outputs_callback, outputs);
char *json = json_list(outputs);
free_flat_list(outputs);
ipc_send_reply(client, json, strlen(json));
free(json);
break;
}
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
ipc_client_disconnect(client);
break;
}
client->payload_length = 0;
}
swayc_t *new_output(wlc_handle handle) {
const struct wlc_size* size = wlc_output_get_resolution(handle);
const char *name = wlc_output_get_name(handle);
sway_log(L_DEBUG, "Added output %u %s", (unsigned int)handle, name);
swayc_t *output = new_swayc(C_OUTPUT);
output->width = size->w;
output->height = size->h;
output->handle = handle;
if (name) {
output->name = strdup(name);
}
add_child(&root_container, output);
//TODO something with this
int total_width = 0;
container_map(&root_container, add_output_widths, &total_width);
//Create workspace
char *ws_name = workspace_next_name();
new_workspace(output, ws_name);
free(ws_name);
return output;
}
bool read_config(FILE *file, bool is_active) {
struct sway_config *temp_config = malloc(sizeof(struct sway_config));
config_defaults(temp_config);
if (is_active) {
sway_log(L_DEBUG, "Performing configuration file reload");
temp_config->reloading = true;
temp_config->active = true;
}
bool success = true;
int temp_depth = 0; // Temporary: skip all config sections with depth
while (!feof(file)) {
int _;
char *line = read_line(file);
line = strip_whitespace(line, &_);
line = strip_comments(line);
if (!line[0]) {
goto _continue;
}
if (temp_depth && line[0] == '}') {
temp_depth--;
goto _continue;
}
// Any command which would require wlc to be initialized
// should be queued for later execution
list_t *args = split_string(line, " ");
if (!is_active && (
strcmp("exec", args->items[0]) == 0 ||
strcmp("exec_always", args->items[0]) == 0 )) {
sway_log(L_DEBUG, "Deferring command %s", line);
char *cmd = malloc(strlen(line) + 1);
strcpy(cmd, line);
list_add(temp_config->cmd_queue, cmd);
} else if (!temp_depth && !handle_command(temp_config, line)) {
sway_log(L_DEBUG, "Config load failed for line %s", line);
success = false;
temp_config->failed = true;
}
list_free(args);
_continue:
if (line && line[strlen(line) - 1] == '{') {
temp_depth++;
}
free(line);
}
if (is_active) {
temp_config->reloading = false;
container_map(&root_container, reset_gaps, NULL);
arrange_windows(&root_container, -1, -1);
}
config = temp_config;
return success;
}
void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) {
if (container && container->children && container->children->length) {
int i;
for (i = 0; i < container->children->length; ++i) {
swayc_t *child = container->children->items[i];
f(child, data);
container_map(child, f, data);
}
if (container->type == C_WORKSPACE) {
for (i = 0; i < container->floating->length; ++i) {
swayc_t *child = container->floating->items[i];
f(child, data);
container_map(child, f, data);
}
}
}
}
void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) {
if (!container->children || !container->children->length) {
return;
}
int i;
for (i = 0; i < container->children->length; ++i) {
swayc_t *child = container->children->items[i];
f(child, data);
container_map(child, f, data);
}
}
// switches parent focus to c. will switch it accordingly
static void update_focus(swayc_t *c) {
// Handle if focus switches
swayc_t *parent = c->parent;
if (!parent) return;
if (parent->focused != c) {
// Get previous focus
swayc_t *prev = parent->focused;
// Set new focus
parent->focused = c;
switch (c->type) {
// Shouldn't happen
case C_ROOT: return;
// Case where output changes
case C_OUTPUT:
// update borders for views in prev
container_map(prev, map_update_view_border, NULL);
wlc_output_focus(c->handle);
break;
// Case where workspace changes
case C_WORKSPACE:
if (prev) {
ipc_event_workspace(prev, c, "focus");
// if the old workspace has no children, destroy it
if(prev->children->length == 0 && prev->floating->length == 0 && !suspend_workspace_cleanup) {
destroy_workspace(prev);
} else {
// update visibility of old workspace
update_visibility(prev);
}
}
// Update visibility of newly focused workspace
update_visibility(c);
break;
default:
case C_VIEW:
case C_CONTAINER:
// TODO whatever to do when container changes
// for example, stacked and tabbing change stuff.
break;
}
}
}
swayc_t *new_output(wlc_handle handle) {
const struct wlc_size* size = wlc_output_get_resolution(handle);
const char *name = wlc_output_get_name(handle);
sway_log(L_DEBUG, "Added output %u %s", (unsigned int)handle, name);
swayc_t *output = new_swayc(C_OUTPUT);
output->width = size->w;
output->height = size->h;
output->handle = handle;
output->name = name ? strdup(name) : NULL;
add_child(&root_container, output);
//TODO something with this
int total_width = 0;
container_map(&root_container, add_output_widths, &total_width);
//Create workspace
char *ws_name = NULL;
if (name) {
int i;
for (i = 0; i < config->workspace_outputs->length; ++i) {
struct workspace_output *wso = config->workspace_outputs->items[i];
if (strcasecmp(wso->output, name) == 0) {
sway_log(L_DEBUG, "Matched workspace to output: %s for %s", wso->workspace, wso->output);
ws_name = strdup(wso->workspace);
break;
}
}
}
if (!ws_name) {
ws_name = workspace_next_name();
}
new_workspace(output, ws_name);
free(ws_name);
return output;
}
struct cmd_results *cmd_gaps(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "gaps", EXPECTED_AT_LEAST, 1))) {
return error;
}
const char *expected_syntax =
"Expected 'gaps edge_gaps <on|off|toggle>' or "
"'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'";
const char *amount_str = argv[0];
// gaps amount
if (argc >= 1 && isdigit(*amount_str)) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
config->gaps_inner = config->gaps_outer = amount;
arrange_windows(&root_container, -1, -1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer n
else if (argc >= 2 && isdigit((amount_str = argv[1])[0])) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
const char *target_str = argv[0];
if (strcasecmp(target_str, "inner") == 0) {
config->gaps_inner = amount;
} else if (strcasecmp(target_str, "outer") == 0) {
config->gaps_outer = amount;
}
arrange_windows(&root_container, -1, -1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
} else if (argc == 2 && strcasecmp(argv[0], "edge_gaps") == 0) {
// gaps edge_gaps <on|off|toggle>
if (strcasecmp(argv[1], "toggle") == 0) {
if (config->reading) {
return cmd_results_new(CMD_FAILURE, "gaps edge_gaps toggle",
"Can't be used in config file.");
}
config->edge_gaps = !config->edge_gaps;
} else {
config->edge_gaps =
(strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "on") == 0);
}
arrange_windows(&root_container, -1, -1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer current|all set|plus|minus n
if (argc < 4 || config->reading) {
return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
}
// gaps inner|outer ...
const char *inout_str = argv[0];
enum {INNER, OUTER} inout;
if (strcasecmp(inout_str, "inner") == 0) {
inout = INNER;
} else if (strcasecmp(inout_str, "outer") == 0) {
inout = OUTER;
} else {
return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
}
// gaps ... current|all ...
const char *target_str = argv[1];
enum {CURRENT, WORKSPACE, ALL} target;
if (strcasecmp(target_str, "current") == 0) {
target = CURRENT;
} else if (strcasecmp(target_str, "all") == 0) {
target = ALL;
} else if (strcasecmp(target_str, "workspace") == 0) {
if (inout == OUTER) {
target = CURRENT;
} else {
// Set gap for views in workspace
target = WORKSPACE;
}
} else {
return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
}
// gaps ... n
amount_str = argv[3];
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
// gaps ... set|plus|minus ...
const char *method_str = argv[2];
enum {SET, ADD} method;
if (strcasecmp(method_str, "set") == 0) {
method = SET;
} else if (strcasecmp(method_str, "plus") == 0) {
method = ADD;
} else if (strcasecmp(method_str, "minus") == 0) {
method = ADD;
amount *= -1;
} else {
return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
}
if (target == CURRENT) {
swayc_t *cont;
if (inout == OUTER) {
if ((cont = swayc_active_workspace()) == NULL) {
return cmd_results_new(CMD_FAILURE, "gaps", "There's no active workspace.");
}
} else {
if ((cont = get_focused_view(&root_container))->type != C_VIEW) {
return cmd_results_new(CMD_FAILURE, "gaps", "Currently focused item is not a view.");
}
}
cont->gaps = swayc_gap(cont);
if (method == SET) {
cont->gaps = amount;
} else if ((cont->gaps += amount) < 0) {
cont->gaps = 0;
}
arrange_windows(cont->parent, -1, -1);
} else if (inout == OUTER) {
//resize all workspace.
int i,j;
for (i = 0; i < root_container.children->length; ++i) {
swayc_t *op = root_container.children->items[i];
for (j = 0; j < op->children->length; ++j) {
swayc_t *ws = op->children->items[j];
if (method == SET) {
ws->gaps = amount;
} else if ((ws->gaps += amount) < 0) {
ws->gaps = 0;
}
}
}
arrange_windows(&root_container, -1, -1);
} else {
// Resize gaps for all views in workspace
swayc_t *top;
if (target == WORKSPACE) {
if ((top = swayc_active_workspace()) == NULL) {
return cmd_results_new(CMD_FAILURE, "gaps", "There's currently no active workspace.");
}
} else {
top = &root_container;
}
int top_gap = top->gaps;
container_map(top, method == SET ? set_gaps : add_gaps, &amount);
top->gaps = top_gap;
arrange_windows(top, -1, -1);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
}
char buf[client->payload_length + 1];
if (client->payload_length > 0)
{
ssize_t received = recv(client->fd, buf, client->payload_length, 0);
if (received == -1)
{
sway_log_errno(L_INFO, "Unable to receive payload from IPC client");
ipc_client_disconnect(client);
return;
}
}
switch (client->current_command) {
case IPC_COMMAND:
{
buf[client->payload_length] = '\0';
struct cmd_results *results = handle_command(buf);
const char *json = cmd_results_to_json(results);
char reply[256];
int length = snprintf(reply, sizeof(reply), "%s", json);
ipc_send_reply(client, reply, (uint32_t) length);
free_cmd_results(results);
break;
}
case IPC_SUBSCRIBE:
{
buf[client->payload_length] = '\0';
struct json_object *request = json_tokener_parse(buf);
if (request == NULL) {
ipc_send_reply(client, "{\"success\": false}", 18);
ipc_client_disconnect(client);
return;
}
// parse requested event types
for (int i = 0; i < json_object_array_length(request); i++) {
const char *event_type = json_object_get_string(json_object_array_get_idx(request, i));
if (strcmp(event_type, "workspace") == 0) {
client->subscribed_events |= IPC_GET_WORKSPACES;
}
else {
ipc_send_reply(client, "{\"success\": false}", 18);
ipc_client_disconnect(client);
json_object_put(request);
return;
}
}
json_object_put(request);
ipc_send_reply(client, "{\"success\": true}", 17);
break;
}
case IPC_GET_WORKSPACES:
{
json_object *workspaces = json_object_new_array();
container_map(&root_container, ipc_get_workspaces_callback, workspaces);
const char *json_string = json_object_to_json_string(workspaces);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(workspaces); // free
break;
}
case IPC_GET_OUTPUTS:
{
json_object *outputs = json_object_new_array();
container_map(&root_container, ipc_get_outputs_callback, outputs);
const char *json_string = json_object_to_json_string(outputs);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(outputs); // free
break;
}
case IPC_GET_VERSION:
{
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
char *full_version = calloc(strlen(SWAY_GIT_VERSION) + strlen(SWAY_GIT_BRANCH) + strlen(SWAY_VERSION_DATE) + 20, 1);
strcat(full_version, SWAY_GIT_VERSION);
strcat(full_version, " (");
strcat(full_version, SWAY_VERSION_DATE);
strcat(full_version, ", branch \"");
strcat(full_version, SWAY_GIT_BRANCH);
strcat(full_version, "\")");
json_object *json = json_object_new_object();
json_object_object_add(json, "human_readable", json_object_new_string(full_version));
// Todo once we actually release a version
json_object_object_add(json, "major", json_object_new_int(0));
json_object_object_add(json, "minor", json_object_new_int(0));
json_object_object_add(json, "patch", json_object_new_int(1));
#else
json_object_object_add(json, "human_readable", json_object_new_string("version not found"));
json_object_object_add(json, "major", json_object_new_int(0));
json_object_object_add(json, "minor", json_object_new_int(0));
json_object_object_add(json, "patch", json_object_new_int(0));
#endif
const char *json_string = json_object_to_json_string(json);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(json); // free
free(full_version);
break;
}
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
ipc_client_disconnect(client);
return;
}
client->payload_length = 0;
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
}
char *buf = malloc(client->payload_length + 1);
if (!buf) {
sway_log_errno(L_INFO, "Out of memory");
ipc_client_disconnect(client);
return;
}
if (client->payload_length > 0)
{
ssize_t received = recv(client->fd, buf, client->payload_length, 0);
if (received == -1)
{
sway_log_errno(L_INFO, "Unable to receive payload from IPC client");
ipc_client_disconnect(client);
free(buf);
return;
}
}
buf[client->payload_length] = '\0';
const char *error_denied = "{ \"success\": false, \"error\": \"Permission denied\" }";
switch (client->current_command) {
case IPC_COMMAND:
{
if (!(config->ipc_policy & IPC_FEATURE_COMMAND)) {
goto exit_denied;
}
struct cmd_results *results = handle_command(buf, CONTEXT_IPC);
const char *json = cmd_results_to_json(results);
char reply[256];
int length = snprintf(reply, sizeof(reply), "%s", json);
ipc_send_reply(client, reply, (uint32_t) length);
free_cmd_results(results);
goto exit_cleanup;
}
case IPC_SUBSCRIBE:
{
struct json_object *request = json_tokener_parse(buf);
if (request == NULL) {
ipc_send_reply(client, "{\"success\": false}", 18);
sway_log_errno(L_INFO, "Failed to read request");
goto exit_cleanup;
}
// parse requested event types
for (int i = 0; i < json_object_array_length(request); i++) {
const char *event_type = json_object_get_string(json_object_array_get_idx(request, i));
if (strcmp(event_type, "workspace") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_WORKSPACE);
} else if (strcmp(event_type, "barconfig_update") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_BARCONFIG_UPDATE);
} else if (strcmp(event_type, "mode") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_MODE);
} else if (strcmp(event_type, "window") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_WINDOW);
} else if (strcmp(event_type, "modifier") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_MODIFIER);
} else if (strcmp(event_type, "binding") == 0) {
client->subscribed_events |= event_mask(IPC_EVENT_BINDING);
} else {
ipc_send_reply(client, "{\"success\": false}", 18);
json_object_put(request);
sway_log_errno(L_INFO, "Failed to parse request");
goto exit_cleanup;
}
}
json_object_put(request);
ipc_send_reply(client, "{\"success\": true}", 17);
goto exit_cleanup;
}
case IPC_GET_WORKSPACES:
{
if (!(config->ipc_policy & IPC_FEATURE_GET_WORKSPACES)) {
goto exit_denied;
}
json_object *workspaces = json_object_new_array();
container_map(&root_container, ipc_get_workspaces_callback, workspaces);
const char *json_string = json_object_to_json_string(workspaces);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(workspaces); // free
goto exit_cleanup;
}
case IPC_GET_INPUTS:
{
if (!(config->ipc_policy & IPC_FEATURE_GET_INPUTS)) {
goto exit_denied;
}
json_object *inputs = json_object_new_array();
if (input_devices) {
for(int i=0; i<input_devices->length; i++) {
struct libinput_device *device = input_devices->items[i];
char* identifier = libinput_dev_unique_id(device);
json_object *device_object = json_object_new_object();
json_object_object_add(device_object, "identifier", json_object_new_string(identifier));
json_object_array_add(inputs, device_object);
free(identifier);
}
}
const char *json_string = json_object_to_json_string(inputs);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(inputs);
goto exit_cleanup;
}
case IPC_GET_OUTPUTS:
{
if (!(config->ipc_policy & IPC_FEATURE_GET_OUTPUTS)) {
goto exit_denied;
}
json_object *outputs = json_object_new_array();
container_map(&root_container, ipc_get_outputs_callback, outputs);
const char *json_string = json_object_to_json_string(outputs);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(outputs); // free
goto exit_cleanup;
}
case IPC_GET_TREE:
{
if (!(config->ipc_policy & IPC_FEATURE_GET_TREE)) {
goto exit_denied;
}
json_object *tree = ipc_json_describe_container_recursive(&root_container);
const char *json_string = json_object_to_json_string(tree);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(tree);
goto exit_cleanup;
}
case IPC_GET_VERSION:
{
json_object *version = ipc_json_get_version();
const char *json_string = json_object_to_json_string(version);
ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
json_object_put(version); // free
goto exit_cleanup;
}
case IPC_SWAY_GET_PIXELS:
{
char response_header[9];
memset(response_header, 0, sizeof(response_header));
json_object *obj = json_tokener_parse(buf);
json_object *o, *x, *y, *w, *h;
json_object_object_get_ex(obj, "output", &o);
json_object_object_get_ex(obj, "x", &x);
json_object_object_get_ex(obj, "y", &y);
json_object_object_get_ex(obj, "w", &w);
json_object_object_get_ex(obj, "h", &h);
struct wlc_geometry g = {
.origin = {
.x = json_object_get_int(x),
.y = json_object_get_int(y)
},
.size = {
.w = json_object_get_int(w),
.h = json_object_get_int(h)
}
};
swayc_t *output = swayc_by_test(&root_container, output_by_name_test, (void *)json_object_get_string(o));
json_object_put(obj);
if (!output) {
sway_log(L_ERROR, "IPC GET_PIXELS request with unknown output name");
ipc_send_reply(client, response_header, sizeof(response_header));
goto exit_cleanup;
}
struct get_pixels_request *req = malloc(sizeof(struct get_pixels_request));
req->client = client;
req->output = output->handle;
req->geo = g;
list_add(ipc_get_pixel_requests, req);
wlc_output_schedule_render(output->handle);
goto exit_cleanup;
}
case IPC_GET_BAR_CONFIG:
{
if (!(config->ipc_policy & IPC_FEATURE_GET_BAR_CONFIG)) {
goto exit_denied;
}
if (!buf[0]) {
// Send list of configured bar IDs
json_object *bars = json_object_new_array();
int i;
for (i = 0; i < config->bars->length; ++i) {
struct bar_config *bar = config->bars->items[i];
json_object_array_add(bars, json_object_new_string(bar->id));
}
const char *json_string = json_object_to_json_string(bars);
ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
json_object_put(bars); // free
} else {
// Send particular bar's details
struct bar_config *bar = NULL;
int i;
for (i = 0; i < config->bars->length; ++i) {
bar = config->bars->items[i];
if (strcmp(buf, bar->id) == 0) {
break;
}
bar = NULL;
}
if (!bar) {
const char *error = "{ \"success\": false, \"error\": \"No bar with that ID\" }";
ipc_send_reply(client, error, (uint32_t)strlen(error));
goto exit_cleanup;
}
json_object *json = ipc_json_describe_bar_config(bar);
const char *json_string = json_object_to_json_string(json);
ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
json_object_put(json); // free
}
goto exit_cleanup;
}
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
goto exit_cleanup;
}
