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https://github.com/swaywm/sway.git
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added IPC messages get_workspaces and get_outputs
No escaping on container names is done yet, as well as some values are hardcoded because they don't exist yet.
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parent
d965ce4a1a
commit
754793aad4
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@ -10,5 +10,6 @@ char *code_strchr(const char *string, char delimiter);
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char *code_strstr(const char *haystack, const char *needle);
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int unescape_string(char *string);
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char *join_args(char **argv, int argc);
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char *join_list(list_t *list, char *separator);
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#endif
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92
sway/ipc.c
92
sway/ipc.c
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@ -11,10 +11,13 @@
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#include <stropts.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include "ipc.h"
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#include "log.h"
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#include "config.h"
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#include "commands.h"
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#include "list.h"
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#include "stringop.h"
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static int ipc_socket = -1;
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static struct wlc_event_source *ipc_event_source = NULL;
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@ -37,6 +40,10 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data);
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void ipc_client_disconnect(struct ipc_client *client);
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void ipc_client_handle_command(struct ipc_client *client);
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bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t payload_length);
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void ipc_get_workspaces_callback(swayc_t *container, void *data);
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void ipc_get_outputs_callback(swayc_t *container, void *data);
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char *json_list(list_t *items);
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void ipc_init(void) {
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ipc_socket = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
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@ -195,6 +202,26 @@ void ipc_client_handle_command(struct ipc_client *client) {
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ipc_send_reply(client, reply, (uint32_t) length);
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break;
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}
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case IPC_GET_WORKSPACES:
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{
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list_t *workspaces = create_list();
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container_map(&root_container, ipc_get_workspaces_callback, workspaces);
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char *json = json_list(workspaces);
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free_flat_list(workspaces);
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ipc_send_reply(client, json, strlen(json));
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free(json);
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break;
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}
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case IPC_GET_OUTPUTS:
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{
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list_t *outputs = create_list();
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container_map(&root_container, ipc_get_outputs_callback, outputs);
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char *json = json_list(outputs);
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free_flat_list(outputs);
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ipc_send_reply(client, json, strlen(json));
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free(json);
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break;
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}
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default:
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sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
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ipc_client_disconnect(client);
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@ -227,3 +254,68 @@ bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t pay
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return true;
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}
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char *json_list(list_t *items) {
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char *json_elements = join_list(items, ",");
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size_t len = strlen(json_elements);
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char *json = malloc(len + 3);
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json[0] = '[';
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memcpy(json + 1, json_elements, len);
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json[len+1] = ']';
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json[len+2] = '\0';
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free(json_elements);
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return json;
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}
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void ipc_get_workspaces_callback(swayc_t *container, void *data) {
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if (container->type == C_WORKSPACE) {
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char *json = malloc(512); // Output should usually be around 180 chars
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int num = isdigit(container->name[0]) ? atoi(container->name) : -1;
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// TODO: escape the name (quotation marks, unicode)
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sprintf(json,
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"{"
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"\"num\":%d,"
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"\"name\":\"%s\","
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"\"visible\":%s,"
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"\"focused\":%s,"
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"\"rect\":{"
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"\"x\":%d,"
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"\"y\":%d,"
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"\"width\":%d,"
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"\"height\":%d"
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"},"
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"\"output\":\"%s\","
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"\"urgent\":%s"
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"}",
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num, container->name, container->visible ? "true" : "false", container->is_focused ? "true" : "false",
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container->x, container->y, container->width, container->height,
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container->parent->name, "false" // TODO: urgent hint
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);
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list_add((list_t *)data, json);
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}
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}
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void ipc_get_outputs_callback(swayc_t *container, void *data) {
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if (container->type == C_OUTPUT) {
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char *json = malloc(512); // Output should usually be around 130 chars
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// TODO: escape the name (quotation marks, unicode)
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sprintf(json,
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"{"
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"\"name\":\"%s\","
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"\"active\":%s,"
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"\"primary\":%s,"
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"\"rect\":{"
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"\"x\":%d,"
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"\"y\":%d,"
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"\"width\":%d,"
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"\"height\":%d"
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"},"
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"\"current_workspace\":\"%s\""
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"}",
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container->name, "true", "false", // TODO: active, primary
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container->x, container->y, container->width, container->height,
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container->focused ? container->focused->name : ""
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);
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list_add((list_t *)data, json);
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}
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}
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@ -4,6 +4,7 @@
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#include "string.h"
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#include "list.h"
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#include <strings.h>
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#include <log.h>
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/* Note: This returns 8 characters for trimmed_start per tab character. */
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char *strip_whitespace(char *_str, int *trimmed_start) {
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@ -197,3 +198,41 @@ char *join_args(char **argv, int argc) {
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res[len - 1] = '\0';
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return res;
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}
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/*
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* Join a list of strings, adding separator in between. Separator can be NULL.
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*/
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char *join_list(list_t *list, char *separator) {
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if (!sway_assert(list != NULL, "list != NULL") || list->length == 0) {
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return NULL;
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}
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size_t len = 1; // NULL terminator
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size_t sep_len = 0;
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if (separator != NULL) {
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sep_len = strlen(separator);
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len += (list->length - 1) * sep_len;
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}
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for (int i = 0; i < list->length; i++) {
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len += strlen(list->items[i]);
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}
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char *res = malloc(len);
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char *p = res + strlen(list->items[0]);
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strcpy(res, list->items[0]);
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for (int i = 1; i < list->length; i++) {
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if (sep_len) {
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memcpy(p, separator, sep_len);
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p += sep_len;
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}
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strcpy(p, list->items[i]);
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p += strlen(list->items[i]);
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}
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*p = '\0';
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return res;
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}
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