diff options
Diffstat (limited to 'sway')
| -rw-r--r-- | sway/commands.c | 68 | ||||
| -rw-r--r-- | sway/commands/kill.c | 8 | ||||
| -rw-r--r-- | sway/criteria.c | 413 | ||||
| -rw-r--r-- | sway/meson.build | 2 | ||||
| -rw-r--r-- | sway/tree/container.c | 22 |
5 files changed, 504 insertions, 9 deletions
diff --git a/sway/commands.c b/sway/commands.c index 28943963..c1e25c5f 100644 --- a/sway/commands.c +++ b/sway/commands.c @@ -8,6 +8,7 @@ #include <json-c/json.h> #include "sway/commands.h" #include "sway/config.h" +#include "sway/criteria.h" #include "sway/security.h" #include "sway/input/input-manager.h" #include "stringop.h" @@ -201,9 +202,41 @@ struct cmd_results *handle_command(char *_exec) { char *head = exec; char *cmdlist; char *cmd; + list_t *containers = NULL; head = exec; do { + // Extract criteria (valid for this command list only). + bool has_criteria = false; + if (*head == '[') { + has_criteria = true; + ++head; + char *criteria_string = argsep(&head, "]"); + if (head) { + ++head; + list_t *tokens = create_list(); + char *error; + + if ((error = extract_crit_tokens(tokens, criteria_string))) { + wlr_log(L_DEBUG, "criteria string parse error: %s", error); + results = cmd_results_new(CMD_INVALID, criteria_string, + "Can't parse criteria string: %s", error); + free(error); + free(tokens); + goto cleanup; + } + containers = container_for(tokens); + + free(tokens); + } else { + if (!results) { + results = cmd_results_new(CMD_INVALID, criteria_string, "Unmatched ["); + } + goto cleanup; + } + // Skip leading whitespace + head += strspn(head, whitespace); + } // Split command list cmdlist = argsep(&head, ";"); cmdlist += strspn(cmdlist, whitespace); @@ -236,16 +269,35 @@ struct cmd_results *handle_command(char *_exec) { free_argv(argc, argv); goto cleanup; } - struct cmd_results *res = handler->handle(argc-1, argv+1); - if (res->status != CMD_SUCCESS) { - free_argv(argc, argv); - if (results) { - free_cmd_results(results); + + if (!has_criteria) { + config->handler_context.current_container = NULL; + struct cmd_results *res = handler->handle(argc-1, argv+1); + if (res->status != CMD_SUCCESS) { + free_argv(argc, argv); + if (results) { + free_cmd_results(results); + } + results = res; + goto cleanup; + } + free_cmd_results(res); + } else { + wlr_log(L_DEBUG, "@@ running command on containers"); + for (int i = 0; i < containers->length; ++i) { + config->handler_context.current_container = containers->items[i]; + struct cmd_results *res = handler->handle(argc-1, argv+1); + if (res->status != CMD_SUCCESS) { + free_argv(argc, argv); + if (results) { + free_cmd_results(results); + } + results = res; + goto cleanup; + } + free_cmd_results(res); } - results = res; - goto cleanup; } - free_cmd_results(res); free_argv(argc, argv); } while(cmdlist); } while(head); diff --git a/sway/commands/kill.c b/sway/commands/kill.c index 4bbf94e5..f0e3722a 100644 --- a/sway/commands/kill.c +++ b/sway/commands/kill.c @@ -15,7 +15,13 @@ struct cmd_results *cmd_kill(int argc, char **argv) { return cmd_results_new(CMD_FAILURE, NULL, "no seat context given"); } - struct sway_view *view = seat->focus->sway_view; + struct sway_view *view = NULL; + + if (config->handler_context.current_container) { + view = config->handler_context.current_container->sway_view; + } else { + view = seat->focus->sway_view; + } if (view->iface.close) { view->iface.close(view); diff --git a/sway/criteria.c b/sway/criteria.c new file mode 100644 index 00000000..c15f6354 --- /dev/null +++ b/sway/criteria.c @@ -0,0 +1,413 @@ +#define _XOPEN_SOURCE 700 +#include <stdlib.h> +#include <stdio.h> +#include <stdbool.h> +#include <pcre.h> +#include "sway/criteria.h" +#include "sway/container.h" +#include "sway/config.h" +#include "sway/view.h" +#include "stringop.h" +#include "list.h" +#include "log.h" + +enum criteria_type { // *must* keep in sync with criteria_strings[] + CRIT_APP_ID, + CRIT_CLASS, + CRIT_CON_ID, + CRIT_CON_MARK, + CRIT_FLOATING, + CRIT_ID, + CRIT_INSTANCE, + CRIT_TILING, + CRIT_TITLE, + CRIT_URGENT, + CRIT_WINDOW_ROLE, + CRIT_WINDOW_TYPE, + CRIT_WORKSPACE, + CRIT_LAST +}; + +static const char * const criteria_strings[CRIT_LAST] = { + [CRIT_APP_ID] = "app_id", + [CRIT_CLASS] = "class", + [CRIT_CON_ID] = "con_id", + [CRIT_CON_MARK] = "con_mark", + [CRIT_FLOATING] = "floating", + [CRIT_ID] = "id", + [CRIT_INSTANCE] = "instance", + [CRIT_TILING] = "tiling", + [CRIT_TITLE] = "title", + [CRIT_URGENT] = "urgent", // either "latest" or "oldest" ... + [CRIT_WINDOW_ROLE] = "window_role", + [CRIT_WINDOW_TYPE] = "window_type", + [CRIT_WORKSPACE] = "workspace" +}; + +/** + * A single criteria token (ie. value/regex pair), + * e.g. 'class="some class regex"'. + */ +struct crit_token { + enum criteria_type type; + pcre *regex; + char *raw; +}; + +static void free_crit_token(struct crit_token *crit) { + pcre_free(crit->regex); + free(crit->raw); + free(crit); +} + +static void free_crit_tokens(list_t *crit_tokens) { + for (int i = 0; i < crit_tokens->length; i++) { + free_crit_token(crit_tokens->items[i]); + } + list_free(crit_tokens); +} + +// Extracts criteria string from its brackets. Returns new (duplicate) +// substring. +static char *criteria_from(const char *arg) { + char *criteria = NULL; + if (*arg == '[') { + criteria = strdup(arg + 1); + } else { + criteria = strdup(arg); + } + + int last = strlen(criteria) - 1; + if (criteria[last] == ']') { + criteria[last] = '\0'; + } + return criteria; +} + +// Return instances of c found in str. +static int countchr(char *str, char c) { + int found = 0; + for (int i = 0; str[i]; i++) { + if (str[i] == c) { + ++found; + } + } + return found; +} + +// criteria_str is e.g. '[class="some class regex" instance="instance name"]'. +// +// Will create array of pointers in buf, where first is duplicate of given +// string (must be freed) and the rest are pointers to names and values in the +// base string (every other, naturally). argc will be populated with the length +// of buf. +// +// Returns error string or NULL if successful. +static char *crit_tokens(int *argc, char ***buf, const char * const criteria_str) { + wlr_log(L_DEBUG, "Parsing criteria: '%s'", criteria_str); + char *base = criteria_from(criteria_str); + char *head = base; + char *namep = head; // start of criteria name + char *valp = NULL; // start of value + + // We're going to place EOS markers where we need to and fill up an array + // of pointers to the start of each token (either name or value). + int pairs = countchr(base, '='); + int max_tokens = pairs * 2 + 1; // this gives us at least enough slots + + char **argv = *buf = calloc(max_tokens, sizeof(char*)); + argv[0] = base; // this needs to be freed by caller + bool quoted = true; + + *argc = 1; // uneven = name, even = value + while (*head && *argc < max_tokens) { + if (namep != head && *(head - 1) == '\\') { + // escaped character: don't try to parse this + } else if (*head == '=' && namep != head) { + if (*argc % 2 != 1) { + // we're not expecting a name + return strdup("Unable to parse criteria: " + "Found out of place equal sign"); + } else { + // name ends here + char *end = head; // don't want to rewind the head + while (*(end - 1) == ' ') { + --end; + } + *end = '\0'; + if (*(namep) == ' ') { + namep = strrchr(namep, ' ') + 1; + } + argv[*argc] = namep; + *argc += 1; + } + } else if (*head == '"') { + if (*argc % 2 != 0) { + // we're not expecting a value + return strdup("Unable to parse criteria: " + "Found quoted value where it was not expected"); + } else if (!valp) { // value starts here + valp = head + 1; + quoted = true; + } else { + // value ends here + argv[*argc] = valp; + *argc += 1; + *head = '\0'; + valp = NULL; + namep = head + 1; + } + } else if (*argc % 2 == 0 && *head != ' ') { + // parse unquoted values + if (!valp) { + quoted = false; + valp = head; // value starts here + } + } else if (valp && !quoted && *head == ' ') { + // value ends here + argv[*argc] = valp; + *argc += 1; + *head = '\0'; + valp = NULL; + namep = head + 1; + } + head++; + } + + // catch last unquoted value if needed + if (valp && !quoted && !*head) { + argv[*argc] = valp; + *argc += 1; + } + + return NULL; +} + +// Returns error string on failure or NULL otherwise. +static char *parse_criteria_name(enum criteria_type *type, char *name) { + *type = CRIT_LAST; + for (int i = 0; i < CRIT_LAST; i++) { + if (strcmp(criteria_strings[i], name) == 0) { + *type = (enum criteria_type) i; + break; + } + } + if (*type == CRIT_LAST) { + const char *fmt = "Criteria type '%s' is invalid or unsupported."; + int len = strlen(name) + strlen(fmt) - 1; + char *error = malloc(len); + snprintf(error, len, fmt, name); + return error; + } else if (*type == CRIT_URGENT || *type == CRIT_WINDOW_ROLE || + *type == CRIT_WINDOW_TYPE) { + // (we're just being helpful here) + const char *fmt = "\"%s\" criteria currently unsupported, " + "no window will match this"; + int len = strlen(fmt) + strlen(name) - 1; + char *error = malloc(len); + snprintf(error, len, fmt, name); + return error; + } + return NULL; +} + +// Returns error string on failure or NULL otherwise. +static char *generate_regex(pcre **regex, char *value) { + const char *reg_err; + int offset; + + *regex = pcre_compile(value, PCRE_UTF8 | PCRE_UCP, ®_err, &offset, NULL); + + if (!*regex) { + const char *fmt = "Regex compilation (for '%s') failed: %s"; + int len = strlen(fmt) + strlen(value) + strlen(reg_err) - 3; + char *error = malloc(len); + snprintf(error, len, fmt, value, reg_err); + return error; + } + return NULL; +} + +// Test whether the criterion corresponds to the currently focused window +static bool crit_is_focused(const char *value) { + return !strcmp(value, "focused") || !strcmp(value, "__focused__"); +} + +// Populate list with crit_tokens extracted from criteria string, returns error +// string or NULL if successful. +char *extract_crit_tokens(list_t *tokens, const char * const criteria) { + int argc; + char **argv = NULL, *error = NULL; + if ((error = crit_tokens(&argc, &argv, criteria))) { + goto ect_cleanup; + } + for (int i = 1; i + 1 < argc; i += 2) { + char* name = argv[i], *value = argv[i + 1]; + struct crit_token *token = calloc(1, sizeof(struct crit_token)); + token->raw = strdup(value); + + if ((error = parse_criteria_name(&token->type, name))) { + free_crit_token(token); + goto ect_cleanup; + } else if (token->type == CRIT_URGENT || crit_is_focused(value)) { + wlr_log(L_DEBUG, "%s -> \"%s\"", name, value); + list_add(tokens, token); + } else if((error = generate_regex(&token->regex, value))) { + free_crit_token(token); + goto ect_cleanup; + } else { + wlr_log(L_DEBUG, "%s -> /%s/", name, value); + list_add(tokens, token); + } + } +ect_cleanup: + free(argv[0]); // base string + free(argv); + return error; +} + +static int regex_cmp(const char *item, const pcre *regex) { + return pcre_exec(regex, NULL, item, strlen(item), 0, 0, NULL, 0); +} + +// test a single view if it matches list of criteria tokens (all of them). +static bool criteria_test(swayc_t *cont, list_t *tokens) { + if (cont->type != C_VIEW) { + return false; + } + struct sway_view *view = cont->sway_view; + + int matches = 0; + for (int i = 0; i < tokens->length; i++) { + struct crit_token *crit = tokens->items[i]; + switch (crit->type) { + case CRIT_CLASS: // TODO + break; + case CRIT_CON_ID: { + char *endptr; + size_t crit_id = strtoul(crit->raw, &endptr, 10); + + if (*endptr == 0 && cont->id == crit_id) { + ++matches; + } + break; + } + case CRIT_CON_MARK: // TODO + break; + case CRIT_FLOATING: // TODO + break; + case CRIT_ID: // TODO + break; + case CRIT_APP_ID: + if (!view->iface.get_prop) { + break; + } + + const char *app_id = + cont->sway_view->iface.get_prop(view, VIEW_PROP_APP_ID); + + if (!app_id) { + break; + } + + if (crit->regex && regex_cmp(app_id, crit->regex) == 0) { + matches++; + } + break; + case CRIT_INSTANCE: // TODO + break; + case CRIT_TILING: // TODO + break; + case CRIT_TITLE: + if (!cont->name) { + // ignore + } else if (crit->regex && regex_cmp(cont->name, crit->regex) == 0) { + matches++; + } + break; + case CRIT_URGENT: // "latest" or "oldest" + break; + case CRIT_WINDOW_ROLE: + break; + case CRIT_WINDOW_TYPE: + break; + case CRIT_WORKSPACE: // TODO + break; + default: + sway_abort("Invalid criteria type (%i)", crit->type); + break; + } + } + return matches == tokens->length; +} + +int criteria_cmp(const void *a, const void *b) { + if (a == b) { + return 0; + } else if (!a) { + return -1; + } else if (!b) { + return 1; + } + const struct criteria *crit_a = a, *crit_b = b; + int cmp = lenient_strcmp(crit_a->cmdlist, crit_b->cmdlist); + if (cmp != 0) { + return cmp; + } + return lenient_strcmp(crit_a->crit_raw, crit_b->crit_raw); +} + +void free_criteria(struct criteria *crit) { + if (crit->tokens) { + free_crit_tokens(crit->tokens); + } + if (crit->cmdlist) { + free(crit->cmdlist); + } + if (crit->crit_raw) { + free(crit->crit_raw); + } + free(crit); +} + +bool criteria_any(swayc_t *cont, list_t *criteria) { + for (int i = 0; i < criteria->length; i++) { + struct criteria *bc = criteria->items[i]; + if (criteria_test(cont, bc->tokens)) { + return true; + } + } + return false; +} + +list_t *criteria_for(swayc_t *cont) { + list_t *criteria = config->criteria, *matches = create_list(); + for (int i = 0; i < criteria->length; i++) { + struct criteria *bc = criteria->items[i]; + if (criteria_test(cont, bc->tokens)) { + list_add(matches, bc); + } + } + return matches; +} + +struct list_tokens { + list_t *list; + list_t *tokens; +}; + +static void container_match_add(swayc_t *container, struct list_tokens *list_tokens) { + if (criteria_test(container, list_tokens->tokens)) { + list_add(list_tokens->list, container); + } +} + +list_t *container_for(list_t *tokens) { + struct list_tokens list_tokens = (struct list_tokens){create_list(), tokens}; + + container_map(&root_container, (void (*)(swayc_t *, void *))container_match_add, &list_tokens); + + // TODO look in the scratchpad + + return list_tokens.list; +} diff --git a/sway/meson.build b/sway/meson.build index d5dead42..46d79d44 100644 --- a/sway/meson.build +++ b/sway/meson.build @@ -38,6 +38,7 @@ sway_sources = files( 'config/output.c', 'config/seat.c', 'config/input.c', + 'criteria.c', 'ipc-json.c', 'ipc-server.c', 'desktop/output.c', @@ -51,6 +52,7 @@ sway_sources = files( ) sway_deps = [ + pcre, pixman, wayland_server, jsonc, diff --git a/sway/tree/container.c b/sway/tree/container.c index d241f69a..e224539f 100644 --- a/sway/tree/container.c +++ b/sway/tree/container.c @@ -321,3 +321,25 @@ swayc_t *swayc_at(swayc_t *parent, double lx, double ly, return NULL; } + +void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) { + if (container) { + int i; + if (container->children) { + for (i = 0; i < container->children->length; ++i) { + swayc_t *child = container->children->items[i]; + container_map(child, f, data); + } + } + // TODO + /* + if (container->floating) { + for (i = 0; i < container->floating->length; ++i) { + swayc_t *child = container->floating->items[i]; + container_map(child, f, data); + } + } + */ + f(container, data); + } +} |