diff options
Diffstat (limited to 'sway/old/commands.c')
-rw-r--r-- | sway/old/commands.c | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/sway/old/commands.c b/sway/old/commands.c new file mode 100644 index 00000000..e1181893 --- /dev/null +++ b/sway/old/commands.c @@ -0,0 +1,686 @@ +#define _XOPEN_SOURCE 700 +#include <xkbcommon/xkbcommon.h> +#include <xkbcommon/xkbcommon-names.h> +#include <wlc/wlc.h> +#include <wlc/wlc-render.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include <strings.h> +#include <unistd.h> +#include <ctype.h> +#include <wordexp.h> +#include <libgen.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <limits.h> +#include <float.h> +#include <libinput.h> +#include "sway/layout.h" +#include "sway/focus.h" +#include "sway/workspace.h" +#include "sway/commands.h" +#include "sway/container.h" +#include "sway/output.h" +#include "sway/handlers.h" +#include "sway/input_state.h" +#include "sway/criteria.h" +#include "sway/ipc-server.h" +#include "sway/security.h" +#include "sway/input.h" +#include "sway/border.h" +#include "stringop.h" +#include "sway.h" +#include "util.h" +#include "list.h" +#include "log.h" + +struct cmd_handler { + char *command; + sway_cmd *handle; +}; + +int sp_index = 0; + +swayc_t *current_container = NULL; + +// Returns error object, or NULL if check succeeds. +struct cmd_results *checkarg(int argc, const char *name, enum expected_args type, int val) { + struct cmd_results *error = NULL; + switch (type) { + case EXPECTED_MORE_THAN: + if (argc > val) { + return NULL; + } + error = cmd_results_new(CMD_INVALID, name, "Invalid %s command " + "(expected more than %d argument%s, got %d)", + name, val, (char*[2]){"s", ""}[argc==1], argc); + break; + case EXPECTED_AT_LEAST: + if (argc >= val) { + return NULL; + } + error = cmd_results_new(CMD_INVALID, name, "Invalid %s command " + "(expected at least %d argument%s, got %d)", + name, val, (char*[2]){"s", ""}[argc==1], argc); + break; + case EXPECTED_LESS_THAN: + if (argc < val) { + return NULL; + }; + error = cmd_results_new(CMD_INVALID, name, "Invalid %s command " + "(expected less than %d argument%s, got %d)", + name, val, (char*[2]){"s", ""}[argc==1], argc); + break; + case EXPECTED_EQUAL_TO: + if (argc == val) { + return NULL; + }; + error = cmd_results_new(CMD_INVALID, name, "Invalid %s command " + "(expected %d arguments, got %d)", name, val, argc); + break; + } + return error; +} + +void hide_view_in_scratchpad(swayc_t *sp_view) { + if (sp_view == NULL) { + return; + } + + wlc_view_set_mask(sp_view->handle, 0); + sp_view->visible = false; + swayc_t *ws = sp_view->parent; + remove_child(sp_view); + if (swayc_active_workspace() != ws && ws->floating->length == 0 && ws->children->length == 0) { + destroy_workspace(ws); + } else { + arrange_windows(ws, -1, -1); + } + set_focused_container(container_under_pointer()); +} + +void input_cmd_apply(struct input_config *input) { + int i; + i = list_seq_find(config->input_configs, input_identifier_cmp, input->identifier); + if (i >= 0) { + // merge existing config + struct input_config *ic = config->input_configs->items[i]; + merge_input_config(ic, input); + free_input_config(input); + input = ic; + } else { + list_add(config->input_configs, input); + } + + current_input_config = input; + + if (input->identifier) { + // Try to find the input device and apply configuration now. If + // this is during startup then there will be no container and config + // will be applied during normal "new input" event from wlc. + /* TODO WLR + struct libinput_device *device = NULL; + for (int i = 0; i < input_devices->length; ++i) { + device = input_devices->items[i]; + char* dev_identifier = libinput_dev_unique_id(device); + if (!dev_identifier) { + break; + } + int match = dev_identifier && strcmp(dev_identifier, input->identifier) == 0; + free(dev_identifier); + if (match) { + apply_input_config(input, device); + break; + } + } + */ + } +} + +void remove_view_from_scratchpad(swayc_t *view) { + int i; + for (i = 0; i < scratchpad->length; i++) { + if (scratchpad->items[i] == view) { + if (sp_index == 0) { + sp_index = scratchpad->length - 1; + } else { + sp_index--; + } + list_del(scratchpad, sp_index); + sp_view = NULL; + } + } +} + +/* Keep alphabetized */ +static struct cmd_handler handlers[] = { + { "assign", cmd_assign }, + { "bar", cmd_bar }, + { "bindcode", cmd_bindcode }, + { "bindsym", cmd_bindsym }, + { "border", cmd_border }, + { "client.background", cmd_client_background }, + { "client.focused", cmd_client_focused }, + { "client.focused_inactive", cmd_client_focused_inactive }, + { "client.placeholder", cmd_client_placeholder }, + { "client.unfocused", cmd_client_unfocused }, + { "client.urgent", cmd_client_urgent }, + { "clipboard", cmd_clipboard }, + { "commands", cmd_commands }, + { "debuglog", cmd_debuglog }, + { "default_border", cmd_default_border }, + { "default_floating_border", cmd_default_floating_border }, + { "default_orientation", cmd_orientation }, + { "exec", cmd_exec }, + { "exec_always", cmd_exec_always }, + { "exit", cmd_exit }, + { "floating", cmd_floating }, + { "floating_maximum_size", cmd_floating_maximum_size }, + { "floating_minimum_size", cmd_floating_minimum_size }, + { "floating_modifier", cmd_floating_mod }, + { "floating_scroll", cmd_floating_scroll }, + { "focus", cmd_focus }, + { "focus_follows_mouse", cmd_focus_follows_mouse }, + { "font", cmd_font }, + { "for_window", cmd_for_window }, + { "force_focus_wrapping", cmd_force_focus_wrapping }, + { "fullscreen", cmd_fullscreen }, + { "gaps", cmd_gaps }, + { "hide_edge_borders", cmd_hide_edge_borders }, + { "include", cmd_include }, + { "input", cmd_input }, + { "ipc", cmd_ipc }, + { "kill", cmd_kill }, + { "layout", cmd_layout }, + { "log_colors", cmd_log_colors }, + { "mark", cmd_mark }, + { "mode", cmd_mode }, + { "mouse_warping", cmd_mouse_warping }, + { "move", cmd_move }, + { "new_float", cmd_new_float }, + { "new_window", cmd_new_window }, + { "no_focus", cmd_no_focus }, + { "output", cmd_output }, + { "permit", cmd_permit }, + { "reject", cmd_reject }, + { "reload", cmd_reload }, + { "resize", cmd_resize }, + { "scratchpad", cmd_scratchpad }, + { "seamless_mouse", cmd_seamless_mouse }, + { "set", cmd_set }, + { "show_marks", cmd_show_marks }, + { "smart_gaps", cmd_smart_gaps }, + { "split", cmd_split }, + { "splith", cmd_splith }, + { "splitt", cmd_splitt }, + { "splitv", cmd_splitv }, + { "sticky", cmd_sticky }, + { "unmark", cmd_unmark }, + { "workspace", cmd_workspace }, + { "workspace_auto_back_and_forth", cmd_ws_auto_back_and_forth }, + { "workspace_layout", cmd_workspace_layout }, +}; + +static struct cmd_handler bar_handlers[] = { + { "activate_button", bar_cmd_activate_button }, + { "binding_mode_indicator", bar_cmd_binding_mode_indicator }, + { "bindsym", bar_cmd_bindsym }, + { "colors", bar_cmd_colors }, + { "context_button", bar_cmd_context_button }, + { "font", bar_cmd_font }, + { "height", bar_cmd_height }, + { "hidden_state", bar_cmd_hidden_state }, + { "icon_theme", bar_cmd_icon_theme }, + { "id", bar_cmd_id }, + { "mode", bar_cmd_mode }, + { "modifier", bar_cmd_modifier }, + { "output", bar_cmd_output }, + { "pango_markup", bar_cmd_pango_markup }, + { "position", bar_cmd_position }, + { "secondary_button", bar_cmd_secondary_button }, + { "separator_symbol", bar_cmd_separator_symbol }, + { "status_command", bar_cmd_status_command }, + { "strip_workspace_numbers", bar_cmd_strip_workspace_numbers }, + { "swaybar_command", bar_cmd_swaybar_command }, + { "tray_output", bar_cmd_tray_output }, + { "tray_padding", bar_cmd_tray_padding }, + { "workspace_buttons", bar_cmd_workspace_buttons }, + { "wrap_scroll", bar_cmd_wrap_scroll }, +}; + +/** + * Check and add color to buffer. + * + * return error object, or NULL if color is valid. + */ +struct cmd_results *add_color(const char *name, char *buffer, const char *color) { + int len = strlen(color); + if (len != 7 && len != 9) { + return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color); + } + + if (color[0] != '#') { + return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color); + } + + int i; + for (i = 1; i < len; ++i) { + if (!isxdigit(color[i])) { + return cmd_results_new(CMD_INVALID, name, "Invalid color definition %s", color); + } + } + + // copy color to buffer + strncpy(buffer, color, len); + // add default alpha channel if color was defined without it + if (len == 7) { + buffer[7] = 'f'; + buffer[8] = 'f'; + } + buffer[9] = '\0'; + + return NULL; +} + +static struct cmd_handler input_handlers[] = { + { "accel_profile", input_cmd_accel_profile }, + { "click_method", input_cmd_click_method }, + { "drag_lock", input_cmd_drag_lock }, + { "dwt", input_cmd_dwt }, + { "events", input_cmd_events }, + { "left_handed", input_cmd_left_handed }, + { "middle_emulation", input_cmd_middle_emulation }, + { "natural_scroll", input_cmd_natural_scroll }, + { "pointer_accel", input_cmd_pointer_accel }, + { "scroll_method", input_cmd_scroll_method }, + { "tap", input_cmd_tap }, +}; + +static struct cmd_handler bar_colors_handlers[] = { + { "active_workspace", bar_colors_cmd_active_workspace }, + { "background", bar_colors_cmd_background }, + { "binding_mode", bar_colors_cmd_binding_mode }, + { "focused_background", bar_colors_cmd_focused_background }, + { "focused_separator", bar_colors_cmd_focused_separator }, + { "focused_statusline", bar_colors_cmd_focused_statusline }, + { "focused_workspace", bar_colors_cmd_focused_workspace }, + { "inactive_workspace", bar_colors_cmd_inactive_workspace }, + { "separator", bar_colors_cmd_separator }, + { "statusline", bar_colors_cmd_statusline }, + { "urgent_workspace", bar_colors_cmd_urgent_workspace }, +}; + +static struct cmd_handler ipc_handlers[] = { + { "*", cmd_ipc_cmd }, + { "bar-config", cmd_ipc_cmd }, + { "command", cmd_ipc_cmd }, + { "events", cmd_ipc_events }, + { "inputs", cmd_ipc_cmd }, + { "marks", cmd_ipc_cmd }, + { "outputs", cmd_ipc_cmd }, + { "tree", cmd_ipc_cmd }, + { "workspaces", cmd_ipc_cmd }, +}; + +static struct cmd_handler ipc_event_handlers[] = { + { "*", cmd_ipc_event_cmd }, + { "binding", cmd_ipc_event_cmd }, + { "input", cmd_ipc_event_cmd }, + { "mode", cmd_ipc_event_cmd }, + { "output", cmd_ipc_event_cmd }, + { "window", cmd_ipc_event_cmd }, + { "workspace", cmd_ipc_event_cmd }, +}; + +static int handler_compare(const void *_a, const void *_b) { + const struct cmd_handler *a = _a; + const struct cmd_handler *b = _b; + return strcasecmp(a->command, b->command); +} + +static struct cmd_handler *find_handler(char *line, enum cmd_status block) { + struct cmd_handler d = { .command=line }; + struct cmd_handler *res = NULL; + sway_log(L_DEBUG, "find_handler(%s) %d", line, block == CMD_BLOCK_INPUT); + if (block == CMD_BLOCK_BAR) { + res = bsearch(&d, bar_handlers, + sizeof(bar_handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } else if (block == CMD_BLOCK_BAR_COLORS){ + res = bsearch(&d, bar_colors_handlers, + sizeof(bar_colors_handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } else if (block == CMD_BLOCK_INPUT) { + res = bsearch(&d, input_handlers, + sizeof(input_handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } else if (block == CMD_BLOCK_IPC) { + res = bsearch(&d, ipc_handlers, + sizeof(ipc_handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } else if (block == CMD_BLOCK_IPC_EVENTS) { + res = bsearch(&d, ipc_event_handlers, + sizeof(ipc_event_handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } else { + res = bsearch(&d, handlers, + sizeof(handlers) / sizeof(struct cmd_handler), + sizeof(struct cmd_handler), handler_compare); + } + return res; +} + +struct cmd_results *handle_command(char *_exec, enum command_context context) { + // Even though this function will process multiple commands we will only + // return the last error, if any (for now). (Since we have access to an + // error string we could e.g. concatonate all errors there.) + struct cmd_results *results = NULL; + char *exec = strdup(_exec); + char *head = exec; + char *cmdlist; + char *cmd; + list_t *containers = NULL; + + head = exec; + do { + // Extract criteria (valid for this command list only). + if (*head == '[') { + ++head; + char *criteria_string = argsep(&head, "]"); + if (head) { + ++head; + list_t *tokens = create_list(); + char *error; + + if ((error = extract_crit_tokens(tokens, criteria_string))) { + 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); + do { + // Split commands + cmd = argsep(&cmdlist, ","); + cmd += strspn(cmd, whitespace); + if (strcmp(cmd, "") == 0) { + sway_log(L_INFO, "Ignoring empty command."); + continue; + } + sway_log(L_INFO, "Handling command '%s'", cmd); + //TODO better handling of argv + int argc; + char **argv = split_args(cmd, &argc); + if (strcmp(argv[0], "exec") != 0) { + int i; + for (i = 1; i < argc; ++i) { + if (*argv[i] == '\"' || *argv[i] == '\'') { + strip_quotes(argv[i]); + } + } + } + struct cmd_handler *handler = find_handler(argv[0], CMD_BLOCK_END); + if (!handler) { + if (results) { + free_cmd_results(results); + } + results = cmd_results_new(CMD_INVALID, cmd, "Unknown/invalid command"); + free_argv(argc, argv); + goto cleanup; + } + if (!(get_command_policy_mask(argv[0]) & context)) { + if (results) { + free_cmd_results(results); + } + results = cmd_results_new(CMD_INVALID, cmd, + "Permission denied for %s via %s", cmd, + command_policy_str(context)); + free_argv(argc, argv); + goto cleanup; + } + int i = 0; + do { + if (!containers) { + current_container = get_focused_container(&root_container); + } else if (containers->length == 0) { + if (results) { + free_cmd_results(results); + } + results = cmd_results_new(CMD_FAILURE, argv[0], "No matching container"); + goto cleanup; + } else { + current_container = (swayc_t *)containers->items[i]; + } + sway_log(L_INFO, "Running on container '%s'", current_container->name); + + 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); + ++i; + } while(containers && i < containers->length); + + free_argv(argc, argv); + } while(cmdlist); + + if (containers) { + list_free(containers); + containers = NULL; + } + } while(head); + cleanup: + free(exec); + if (containers) { + free(containers); + } + if (!results) { + results = cmd_results_new(CMD_SUCCESS, NULL, NULL); + } + return results; +} + +// this is like handle_command above, except: +// 1) it ignores empty commands (empty lines) +// 2) it does variable substitution +// 3) it doesn't split commands (because the multiple commands are supposed to +// be chained together) +// 4) handle_command handles all state internally while config_command has some +// state handled outside (notably the block mode, in read_config) +struct cmd_results *config_command(char *exec, enum cmd_status block) { + struct cmd_results *results = NULL; + int argc; + char **argv = split_args(exec, &argc); + if (!argc) { + results = cmd_results_new(CMD_SUCCESS, NULL, NULL); + goto cleanup; + } + + sway_log(L_INFO, "handling config command '%s'", exec); + // Endblock + if (**argv == '}') { + results = cmd_results_new(CMD_BLOCK_END, NULL, NULL); + goto cleanup; + } + struct cmd_handler *handler = find_handler(argv[0], block); + if (!handler) { + char *input = argv[0] ? argv[0] : "(empty)"; + results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command"); + goto cleanup; + } + int i; + // Var replacement, for all but first argument of set + for (i = handler->handle == cmd_set ? 2 : 1; i < argc; ++i) { + argv[i] = do_var_replacement(argv[i]); + unescape_string(argv[i]); + } + /* Strip quotes for first argument. + * TODO This part needs to be handled much better */ + if (argc>1 && (*argv[1] == '\"' || *argv[1] == '\'')) { + strip_quotes(argv[1]); + } + if (handler->handle) { + results = handler->handle(argc-1, argv+1); + } else { + results = cmd_results_new(CMD_INVALID, argv[0], "This command is shimmed, but unimplemented"); + } + +cleanup: + free_argv(argc, argv); + return results; +} + +struct cmd_results *config_commands_command(char *exec) { + struct cmd_results *results = NULL; + int argc; + char **argv = split_args(exec, &argc); + if (!argc) { + results = cmd_results_new(CMD_SUCCESS, NULL, NULL); + goto cleanup; + } + + // Find handler for the command this is setting a policy for + char *cmd = argv[0]; + + if (strcmp(cmd, "}") == 0) { + results = cmd_results_new(CMD_BLOCK_END, NULL, NULL); + goto cleanup; + } + + struct cmd_handler *handler = find_handler(cmd, CMD_BLOCK_END); + if (!handler && strcmp(cmd, "*") != 0) { + char *input = cmd ? cmd : "(empty)"; + results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command"); + goto cleanup; + } + + enum command_context context = 0; + + struct { + char *name; + enum command_context context; + } context_names[] = { + { "config", CONTEXT_CONFIG }, + { "binding", CONTEXT_BINDING }, + { "ipc", CONTEXT_IPC }, + { "criteria", CONTEXT_CRITERIA }, + { "all", CONTEXT_ALL }, + }; + + for (int i = 1; i < argc; ++i) { + size_t j; + for (j = 0; j < sizeof(context_names) / sizeof(context_names[0]); ++j) { + if (strcmp(context_names[j].name, argv[i]) == 0) { + break; + } + } + if (j == sizeof(context_names) / sizeof(context_names[0])) { + results = cmd_results_new(CMD_INVALID, cmd, + "Invalid command context %s", argv[i]); + goto cleanup; + } + context |= context_names[j].context; + } + + struct command_policy *policy = NULL; + for (int i = 0; i < config->command_policies->length; ++i) { + struct command_policy *p = config->command_policies->items[i]; + if (strcmp(p->command, cmd) == 0) { + policy = p; + break; + } + } + if (!policy) { + policy = alloc_command_policy(cmd); + sway_assert(policy, "Unable to allocate security policy"); + if (policy) { + list_add(config->command_policies, policy); + } + } + policy->context = context; + + sway_log(L_INFO, "Set command policy for %s to %d", + policy->command, policy->context); + + results = cmd_results_new(CMD_SUCCESS, NULL, NULL); + +cleanup: + free_argv(argc, argv); + return results; +} + +struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, const char *format, ...) { + struct cmd_results *results = malloc(sizeof(struct cmd_results)); + if (!results) { + sway_log(L_ERROR, "Unable to allocate command results"); + return NULL; + } + results->status = status; + if (input) { + results->input = strdup(input); // input is the command name + } else { + results->input = NULL; + } + if (format) { + char *error = malloc(256); + va_list args; + va_start(args, format); + if (error) { + vsnprintf(error, 256, format, args); + } + va_end(args); + results->error = error; + } else { + results->error = NULL; + } + return results; +} + +void free_cmd_results(struct cmd_results *results) { + if (results->input) { + free(results->input); + } + if (results->error) { + free(results->error); + } + free(results); +} + +const char *cmd_results_to_json(struct cmd_results *results) { + json_object *result_array = json_object_new_array(); + json_object *root = json_object_new_object(); + json_object_object_add(root, "success", json_object_new_boolean(results->status == CMD_SUCCESS)); + if (results->input) { + json_object_object_add(root, "input", json_object_new_string(results->input)); + } + if (results->error) { + json_object_object_add(root, "error", json_object_new_string(results->error)); + } + json_object_array_add(result_array, root); + const char *json = json_object_to_json_string(result_array); + free(result_array); + free(root); + return json; +} |