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Merge pull request #201 from sce/cmd_results

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Replace cmd_status with cmd_results struct
This commit is contained in:
Drew DeVault 2015-10-23 10:34:38 -04:00
commit 988a0bd67e
5 changed files with 339 additions and 222 deletions
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19
include/commands.h
View file

@ -1,22 +1,33 @@
#ifndef _SWAY_COMMANDS_H
#define _SWAY_COMMANDS_H
#include <stdbool.h>
#include <json-c/json.h>
#include "config.h"
enum cmd_status {
CMD_SUCCESS,
CMD_FAILURE,
CMD_INVALID,
CMD_FAILURE, // was or at least could be executed
CMD_INVALID, // unknown or parse error
CMD_DEFER,
// Config Blocks
CMD_BLOCK_END,
CMD_BLOCK_MODE,
};
enum cmd_status handle_command(char *command);
struct cmd_results {
enum cmd_status status;
char *input;
char *error;
};
struct cmd_results *handle_command(char *command);
// Handles commands during config
enum cmd_status config_command(char *command);
struct cmd_results *config_command(char *command);
struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, const char *error, ...);
void free_cmd_results(struct cmd_results *results);
const char *cmd_results_to_json(struct cmd_results *results);
void remove_view_from_scratchpad();

513
sway/commands.c
View file

@ -21,7 +21,7 @@
#include "sway.h"
#include "resize.h"
typedef enum cmd_status sway_cmd(int argc, char **argv);
typedef struct cmd_results *sway_cmd(int argc, char **argv);
struct cmd_handler {
char *command;
@ -81,41 +81,43 @@ enum expected_args {
EXPECTED_EQUAL_TO
};
static bool checkarg(int argc, const char *name, enum expected_args type, int val) {
// Returns error object, or NULL if check succeeds.
static 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 true;
return NULL;
}
sway_log(L_ERROR, "Invalid %s command."
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 true;
return NULL;
}
sway_log(L_ERROR, "Invalid %s command."
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 true;
return NULL;
};
sway_log(L_ERROR, "Invalid %s command."
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 true;
return NULL;
};
sway_log(L_ERROR, "Invalid %s command."
error = cmd_results_new(CMD_INVALID, name, "Invalid %s command "
"(expected %d arguments, got %d)", name, val, argc);
break;
}
return false;
return error;
}
static int bindsym_sort(const void *_lbind, const void *_rbind) {
@ -131,11 +133,13 @@ static int bindsym_sort(const void *_lbind, const void *_rbind) {
return (rbind->keys->length + rmod) - (lbind->keys->length + lmod);
}
static enum cmd_status cmd_bindsym(int argc, char **argv) {
if (!checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1)
|| !config->reading) {
return CMD_FAILURE;
};
static struct cmd_results *cmd_bindsym(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1))) {
return error;
} else if (!config->reading) {
return cmd_results_new(CMD_FAILURE, "bindsym", "Can only be used in config file.");
}
struct sway_binding *binding = malloc(sizeof(struct sway_binding));
binding->keys = create_list();
@ -159,12 +163,12 @@ static enum cmd_status cmd_bindsym(int argc, char **argv) {
// Check for xkb key
xkb_keysym_t sym = xkb_keysym_from_name(split->items[i], XKB_KEYSYM_CASE_INSENSITIVE);
if (!sym) {
sway_log(L_ERROR, "bindsym - unknown key %s", (char *)split->items[i]);
error = cmd_results_new(CMD_INVALID, "bindsym", "Unknown key '%s'", (char *)split->items[i]);
list_free(binding->keys);
free(binding->command);
free(binding);
list_free(split);
return CMD_FAILURE;
return error;
}
xkb_keysym_t *key = malloc(sizeof(xkb_keysym_t));
*key = sym;
@ -178,21 +182,21 @@ static enum cmd_status cmd_bindsym(int argc, char **argv) {
list_sort(mode->bindings, bindsym_sort);
sway_log(L_DEBUG, "bindsym - Bound %s to command %s", argv[0], binding->command);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_exec_always(int argc, char **argv) {
if (!config->active) return CMD_DEFER;
if (!checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0)) {
return CMD_FAILURE;
static struct cmd_results *cmd_exec_always(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->active) return cmd_results_new(CMD_DEFER, NULL, NULL);
if ((error = checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0))) {
return error;
}
char *tmp = NULL;
if (strcmp((char*)*argv, "--no-startup-id") == 0) {
sway_log(L_INFO, "exec switch '--no-startup-id' not supported, ignored.");
if (!checkarg(argc - 1, "exec_always", EXPECTED_MORE_THAN, 0)) {
return CMD_FAILURE;
if ((error = checkarg(argc - 1, "exec_always", EXPECTED_MORE_THAN, 0))) {
return error;
}
tmp = join_args(argv + 1, argc - 1);
@ -218,22 +222,20 @@ static enum cmd_status cmd_exec_always(int argc, char **argv) {
// Close child process
_exit(0);
} else if (pid < 0) {
sway_log(L_ERROR, "exec command failed, sway could not fork");
return CMD_FAILURE;
return cmd_results_new(CMD_FAILURE, "exec_always", "Command failed (sway could not fork).");
}
// cleanup child process
wait(0);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_exec(int argc, char **argv) {
if (!config->active) return CMD_DEFER;
static struct cmd_results *cmd_exec(int argc, char **argv) {
if (!config->active) return cmd_results_new(CMD_DEFER, "exec", NULL);
if (config->reloading) {
char *args = join_args(argv, argc);
sway_log(L_DEBUG, "Ignoring 'exec %s' due to reload", args);
free(args);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return cmd_exec_always(argc, argv);
}
@ -244,28 +246,30 @@ static void kill_views(swayc_t *container, void *data) {
}
}
static enum cmd_status cmd_exit(int argc, char **argv) {
if (config->reading) return CMD_INVALID;
if (!checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0)) {
return CMD_FAILURE;
static struct cmd_results *cmd_exit(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "exit", "Can't be used in config file.");
if ((error = checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0))) {
return error;
}
// Close all views
container_map(&root_container, kill_views, NULL);
sway_terminate();
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_floating(int argc, char **argv) {
if (config->reading) return CMD_INVALID;
if (!checkarg(argc, "floating", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_floating(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "floating", "Can't be used in config file.");
if ((error = checkarg(argc, "floating", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "toggle") == 0) {
swayc_t *view = get_focused_container(&root_container);
// Prevent running floating commands on things like workspaces
if (view->type != C_VIEW) {
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// Change from nonfloating to floating
if (!view->is_floating) {
@ -314,13 +318,13 @@ static enum cmd_status cmd_floating(int argc, char **argv) {
}
set_focused_container(view);
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_floating_mod(int argc, char **argv) {
if (!config->reading) return CMD_INVALID;
if (!checkarg(argc, "floating_modifier", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_floating_mod(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "floating_modifier", EXPECTED_EQUAL_TO, 1))) {
return error;
}
int i, j;
list_t *split = split_string(argv[0], "+");
@ -336,19 +340,20 @@ static enum cmd_status cmd_floating_mod(int argc, char **argv) {
}
free_flat_list(split);
if (!config->floating_mod) {
sway_log(L_ERROR, "bindsym - unknown keys %s", argv[0]);
return CMD_FAILURE;
error = cmd_results_new(CMD_INVALID, "floating_modifier", "Unknown keys %s", argv[0]);
return error;
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_focus(int argc, char **argv) {
if (config->reading) return CMD_INVALID;
static struct cmd_results *cmd_focus(int argc, char **argv) {
if (config->reading) return cmd_results_new(CMD_FAILURE, "focus", "Can't be used in config file.");
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1))) {
return error;
}
static int floating_toggled_index = 0;
static int tiled_toggled_index = 0;
if (!checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
}
if (strcasecmp(argv[0], "left") == 0) {
move_focus(MOVE_LEFT);
} else if (strcasecmp(argv[0], "right") == 0) {
@ -397,26 +402,27 @@ static enum cmd_status cmd_focus(int argc, char **argv) {
}
}
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_focus_follows_mouse(int argc, char **argv) {
if (!config->reading) return CMD_INVALID;
if (!checkarg(argc, "focus_follows_mouse", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_focus_follows_mouse(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "focus_follows_mouse", EXPECTED_EQUAL_TO, 1))) {
return error;
}
config->focus_follows_mouse = !strcasecmp(argv[0], "yes");
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_seamless_mouse(int argc, char **argv) {
if (!checkarg(argc, "seamless_mouse", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_seamless_mouse(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "seamless_mouse", EXPECTED_EQUAL_TO, 1))) {
return error;
}
config->seamless_mouse = (strcasecmp(argv[0], "on") == 0 || strcasecmp(argv[0], "yes") == 0);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static void hide_view_in_scratchpad(swayc_t *sp_view) {
@ -435,15 +441,17 @@ static void hide_view_in_scratchpad(swayc_t *sp_view) {
set_focused_container(container_under_pointer());
}
static enum cmd_status cmd_mode(int argc, char **argv) {
if (!checkarg(argc, "mode", EXPECTED_AT_LEAST, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_mode(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "mode", EXPECTED_AT_LEAST, 1))) {
return error;
}
char *mode_name = join_args(argv, argc);
int mode_len = strlen(mode_name);
bool mode_make = mode_name[mode_len-1] == '{';
if (mode_make) {
if (!config->reading) return CMD_INVALID;
if (!config->reading)
return cmd_results_new(CMD_FAILURE, "mode", "Can only be used in config file.");
// Trim trailing spaces
do {
mode_name[--mode_len] = 0;
@ -467,9 +475,9 @@ static enum cmd_status cmd_mode(int argc, char **argv) {
list_add(config->modes, mode);
}
if (!mode) {
sway_log(L_ERROR, "Unknown mode `%s'", mode_name);
error = cmd_results_new(CMD_INVALID, "mode", "Unknown mode `%s'", mode_name);
free(mode_name);
return CMD_FAILURE;
return error;
}
if ((config->reading && mode_make) || (!config->reading && !mode_make)) {
sway_log(L_DEBUG, "Switching to mode `%s'",mode->name);
@ -477,15 +485,15 @@ static enum cmd_status cmd_mode(int argc, char **argv) {
free(mode_name);
// Set current mode
config->current_mode = mode;
return mode_make ? CMD_BLOCK_MODE : CMD_SUCCESS;
return cmd_results_new(mode_make ? CMD_BLOCK_MODE : CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_move(int argc, char **argv) {
if (config->reading) return CMD_FAILURE;
if (!checkarg(argc, "move", EXPECTED_AT_LEAST, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_move(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "move", "Can't be used in config file.");
if ((error = checkarg(argc, "move", EXPECTED_AT_LEAST, 1))) {
return error;
}
swayc_t *view = get_focused_container(&root_container);
if (strcasecmp(argv[0], "left") == 0) {
@ -498,14 +506,14 @@ static enum cmd_status cmd_move(int argc, char **argv) {
move_container(view, MOVE_DOWN);
} else if (strcasecmp(argv[0], "container") == 0 || strcasecmp(argv[0], "window") == 0) {
// "move container to workspace x"
if (!checkarg(argc, "move container/window", EXPECTED_EQUAL_TO, 4)
|| strcasecmp(argv[1], "to") != 0
|| strcasecmp(argv[2], "workspace") != 0) {
return CMD_FAILURE;
if ((error = checkarg(argc, "move container/window", EXPECTED_EQUAL_TO, 4))) {
return error;
} else if ( strcasecmp(argv[1], "to") != 0 || strcasecmp(argv[2], "workspace") != 0) {
return cmd_results_new(CMD_INVALID, "move", "Expected 'move %s to workspace <name>'", argv[0]);
}
if (view->type != C_CONTAINER && view->type != C_VIEW) {
return CMD_FAILURE;
return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
}
const char *ws_name = argv[3];
@ -521,7 +529,7 @@ static enum cmd_status cmd_move(int argc, char **argv) {
move_container_to(view, get_focused_container(ws));
} else if (strcasecmp(argv[0], "scratchpad") == 0) {
if (view->type != C_CONTAINER && view->type != C_VIEW) {
return CMD_FAILURE;
return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
}
swayc_t *view = get_focused_container(&root_container);
int i;
@ -529,7 +537,7 @@ static enum cmd_status cmd_move(int argc, char **argv) {
if (scratchpad->items[i] == view) {
hide_view_in_scratchpad(view);
sp_view = NULL;
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
}
list_add(scratchpad, view);
@ -546,17 +554,18 @@ static enum cmd_status cmd_move(int argc, char **argv) {
}
set_focused_container(focused);
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "move",
"Expected 'move <left|right|up|down>' or 'move <container|window> to workspace <name>'");
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_orientation(int argc, char **argv) {
if (!config->reading) return CMD_FAILURE;
if (!checkarg(argc, "orientation", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_orientation(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "orientation", "Can only be used in config file.");
if ((error = checkarg(argc, "orientation", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "horizontal") == 0) {
config->default_orientation = L_HORIZ;
} else if (strcasecmp(argv[0], "vertical") == 0) {
@ -564,16 +573,16 @@ static enum cmd_status cmd_orientation(int argc, char **argv) {
} else if (strcasecmp(argv[0], "auto") == 0) {
// Do nothing
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "orientation", "Expected 'orientation <horizontal|vertical|auto>'");
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_output(int argc, char **argv) {
if (!checkarg(argc, "output", EXPECTED_AT_LEAST, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_output(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "output", EXPECTED_AT_LEAST, 1))) {
return error;
}
struct output_config *output = calloc(1, sizeof(struct output_config));
output->x = output->y = output->width = output->height = -1;
output->name = strdup(argv[0]);
@ -644,12 +653,13 @@ static enum cmd_status cmd_output(int argc, char **argv) {
}
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_gaps(int argc, char **argv) {
if (!checkarg(argc, "gaps", EXPECTED_AT_LEAST, 1)) {
return CMD_FAILURE;
static 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 *amount_str = argv[0];
// gaps amount
@ -657,7 +667,7 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
if (config->gaps_inner == 0) {
config->gaps_inner = amount;
@ -665,14 +675,14 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
if (config->gaps_outer == 0) {
config->gaps_outer = amount;
}
return CMD_SUCCESS;
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 || amount == 0) {
errno = 0;
return CMD_FAILURE;
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) {
@ -680,11 +690,11 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
} else if (strcasecmp(target_str, "outer") == 0) {
config->gaps_outer = amount;
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer current|all set|plus|minus n
if (argc < 4 || config->reading) {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps inner|outer ...
const char *inout_str = argv[0];
@ -694,7 +704,7 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
} else if (strcasecmp(inout_str, "outer") == 0) {
inout = OUTER;
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps ... current|all ...
@ -712,7 +722,7 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
target = WORKSPACE;
}
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps ... n
@ -720,7 +730,7 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
// gaps ... set|plus|minus ...
@ -734,18 +744,18 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
method = ADD;
amount *= -1;
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all> <set|plus|minus n>'");
}
if (target == CURRENT) {
swayc_t *cont;
if (inout == OUTER) {
if ((cont = swayc_active_workspace()) == NULL) {
return CMD_FAILURE;
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_FAILURE;
return cmd_results_new(CMD_FAILURE, "gaps", "Currently focused item is not a view.");
}
}
cont->gaps = swayc_gap(cont);
@ -775,7 +785,7 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
swayc_t *top;
if (target == WORKSPACE) {
if ((top = swayc_active_workspace()) == NULL) {
return CMD_FAILURE;
return cmd_results_new(CMD_FAILURE, "gaps", "There's currently no active workspace.");
}
} else {
top = &root_container;
@ -786,22 +796,24 @@ static enum cmd_status cmd_gaps(int argc, char **argv) {
arrange_windows(top, -1, -1);
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_kill(int argc, char **argv) {
if (config->reading || !config->active) {
return CMD_FAILURE;
}
static struct cmd_results *cmd_kill(int argc, char **argv) {
if (config->reading) return cmd_results_new(CMD_FAILURE, "kill", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "kill", "Can only be used when sway is running.");
swayc_t *view = get_focused_container(&root_container);
wlc_view_close(view->handle);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_layout(int argc, char **argv) {
if (!checkarg(argc, "layout", EXPECTED_MORE_THAN, 0)
|| config->reading || !config->active) {
return CMD_FAILURE;
static struct cmd_results *cmd_layout(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "layout", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "layout", "Can only be used when sway is running.");
if ((error = checkarg(argc, "layout", EXPECTED_MORE_THAN, 0))) {
return error;
}
swayc_t *parent = get_focused_container(&root_container);
while (parent->type == C_VIEW) {
@ -821,33 +833,38 @@ static enum cmd_status cmd_layout(int argc, char **argv) {
}
arrange_windows(parent, parent->width, parent->height);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_reload(int argc, char **argv) {
if (!checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0)
|| config->reading
|| !load_config(NULL)) {
return CMD_FAILURE;
static struct cmd_results *cmd_reload(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "reload", "Can't be used in config file.");
if ((error = checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0))) {
return error;
}
if (!load_config(NULL)) return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config.");
arrange_windows(&root_container, -1, -1);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_resize(int argc, char **argv) {
if (!checkarg(argc, "resize", EXPECTED_AT_LEAST, 3)
|| config->reading || !config->active) {
return CMD_FAILURE;
static struct cmd_results *cmd_resize(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "resize", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "resize", "Can only be used when sway is running.");
if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 3))) {
return error;
}
char *end;
int amount = (int)strtol(argv[2], &end, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "resize", "Number is out of range.");
}
if (strcmp(argv[0], "shrink") != 0 && strcmp(argv[0], "grow") != 0) {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "resize",
"Expected 'resize <shrink|grow> <width|height> <amount>'");
}
if (strcmp(argv[0], "shrink") == 0) {
@ -859,9 +876,10 @@ static enum cmd_status cmd_resize(int argc, char **argv) {
} else if (strcmp(argv[1], "height") == 0) {
resize_tiled(amount, false);
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "resize",
"Expected 'resize <shrink|grow> <width|height> <amount>'");
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static swayc_t *fetch_view_from_scratchpad() {
@ -909,10 +927,12 @@ void remove_view_from_scratchpad(swayc_t *view) {
}
}
static enum cmd_status cmd_scratchpad(int argc, char **argv) {
if (!checkarg(argc, "scratchpad", EXPECTED_EQUAL_TO, 1)
|| config->reading || !config->active) {
return CMD_FAILURE;
static struct cmd_results *cmd_scratchpad(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "scratchpad", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "scratchpad", "Can only be used when sway is running.");
if ((error = checkarg(argc, "scratchpad", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "show") == 0 && scratchpad->length > 0) {
@ -931,9 +951,9 @@ static enum cmd_status cmd_scratchpad(int argc, char **argv) {
sp_view = NULL;
}
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return CMD_FAILURE;
return cmd_results_new(CMD_FAILURE, "scratchpad", "Expected 'scratchpad show' when scratchpad is not empty.");
}
// sort in order of longest->shortest
@ -943,11 +963,13 @@ static int compare_set(const void *_l, const void *_r) {
return strlen((*r)->name) - strlen((*l)->name);
}
static enum cmd_status cmd_set(int argc, char **argv) {
if (!checkarg(argc, "set", EXPECTED_AT_LEAST, 2)
|| !config->reading) {
return CMD_FAILURE;
static struct cmd_results *cmd_set(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "set", "Can only be used in config file.");
if ((error = checkarg(argc, "set", EXPECTED_AT_LEAST, 2))) {
return error;
}
struct sway_variable *var = NULL;
// Find old variable if it exists
int i;
@ -967,21 +989,23 @@ static enum cmd_status cmd_set(int argc, char **argv) {
list_sort(config->symbols, compare_set);
}
var->value = join_args(argv + 1, argc - 1);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status _do_split(int argc, char **argv, int layout) {
static struct cmd_results *_do_split(int argc, char **argv, int layout) {
char *name = layout == L_VERT ? "splitv" :
layout == L_HORIZ ? "splith" : "split";
if (!checkarg(argc, name, EXPECTED_EQUAL_TO, 0)
|| config->reading || !config->active) {
return CMD_FAILURE;
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, name, "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, name, "Can only be used when sway is running.");
if ((error = checkarg(argc, name, EXPECTED_EQUAL_TO, 0))) {
return error;
}
swayc_t *focused = get_focused_container(&root_container);
// Case of floating window, dont split
if (focused->is_floating) {
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
/* Case that focus is on an workspace with 0/1 children.change its layout */
if (focused->type == C_WORKSPACE && focused->children->length <= 1) {
@ -999,56 +1023,61 @@ static enum cmd_status _do_split(int argc, char **argv, int layout) {
set_focused_container(focused);
arrange_windows(parent, -1, -1);
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_split(int argc, char **argv) {
if (!checkarg(argc, "split", EXPECTED_EQUAL_TO, 1)
|| config->reading || !config->active) {
return CMD_FAILURE;
static struct cmd_results *cmd_split(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "split", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "split", "Can only be used when sway is running.");
if ((error = checkarg(argc, "split", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "v") == 0 || strcasecmp(argv[0], "vertical") == 0) {
_do_split(argc - 1, argv + 1, L_VERT);
} else if (strcasecmp(argv[0], "h") == 0 || strcasecmp(argv[0], "horizontal") == 0) {
_do_split(argc - 1, argv + 1, L_HORIZ);
} else {
sway_log(L_ERROR, "Invalid split command (expected either horiziontal or vertical).");
return CMD_FAILURE;
error = cmd_results_new(CMD_FAILURE, "split",
"Invalid split command (expected either horiziontal or vertical).");
return error;
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_splitv(int argc, char **argv) {
static struct cmd_results *cmd_splitv(int argc, char **argv) {
return _do_split(argc, argv, L_VERT);
}
static enum cmd_status cmd_splith(int argc, char **argv) {
static struct cmd_results *cmd_splith(int argc, char **argv) {
return _do_split(argc, argv, L_HORIZ);
}
static enum cmd_status cmd_log_colors(int argc, char **argv) {
if (!checkarg(argc, "log_colors", EXPECTED_EQUAL_TO, 1)
|| !config->reading) {
return CMD_FAILURE;
static struct cmd_results *cmd_log_colors(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "log_colors", "Can only be used in config file.");
if ((error = checkarg(argc, "log_colors", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "no") == 0) {
sway_log_colors(0);
} else if (strcasecmp(argv[0], "yes") == 0) {
sway_log_colors(1);
} else {
sway_log(L_ERROR, "Invalid log_colors command (expected `yes` or `no`, got '%s')", argv[0]);
return CMD_FAILURE;
error = cmd_results_new(CMD_FAILURE, "log_colors",
"Invalid log_colors command (expected `yes` or `no`, got '%s')", argv[0]);
return error;
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_fullscreen(int argc, char **argv) {
if (!checkarg(argc, "fullscreen", EXPECTED_AT_LEAST, 0)
|| config->reading || !config->active) {
return CMD_FAILURE;
static struct cmd_results *cmd_fullscreen(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "fullscreen", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "fullscreen", "Can only be used when sway is running.");
if ((error = checkarg(argc, "fullscreen", EXPECTED_AT_LEAST, 0))) {
return error;
}
swayc_t *container = get_focused_view(&root_container);
bool current = swayc_is_fullscreen(container);
wlc_view_set_state(container->handle, WLC_BIT_FULLSCREEN, !current);
@ -1060,17 +1089,17 @@ static enum cmd_status cmd_fullscreen(int argc, char **argv) {
// Only resize container when going into fullscreen
arrange_windows(container, -1, -1);
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_workspace(int argc, char **argv) {
if (!checkarg(argc, "workspace", EXPECTED_AT_LEAST, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_workspace(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "workspace", EXPECTED_AT_LEAST, 1))) {
return error;
}
if (argc == 1) {
if (config->reading || !config->active) {
return CMD_DEFER;
return cmd_results_new(CMD_DEFER, "workspace", NULL);
}
// Handle workspace next/prev
swayc_t *ws = NULL;
@ -1096,8 +1125,8 @@ static enum cmd_status cmd_workspace(int argc, char **argv) {
workspace_switch(ws);
} else {
if (strcasecmp(argv[1], "output") == 0) {
if (!checkarg(argc, "workspace", EXPECTED_EQUAL_TO, 3)) {
return CMD_FAILURE;
if ((error = checkarg(argc, "workspace", EXPECTED_EQUAL_TO, 3))) {
return error;
}
struct workspace_output *wso = calloc(1, sizeof(struct workspace_output));
sway_log(L_DEBUG, "Assigning workspace %s to output %s", argv[0], argv[2]);
@ -1109,21 +1138,22 @@ static enum cmd_status cmd_workspace(int argc, char **argv) {
}
}
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static enum cmd_status cmd_ws_auto_back_and_forth(int argc, char **argv) {
if (!checkarg(argc, "workspace_auto_back_and_forth", EXPECTED_EQUAL_TO, 1)) {
return CMD_FAILURE;
static struct cmd_results *cmd_ws_auto_back_and_forth(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "workspace_auto_back_and_forth", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "yes") == 0) {
config->auto_back_and_forth = true;
} else if (strcasecmp(argv[0], "no") == 0) {
config->auto_back_and_forth = false;
} else {
return CMD_FAILURE;
return cmd_results_new(CMD_INVALID, "workspace_auto_back_and_forth", "Expected 'workspace_auto_back_and_forth <yes|no>'");
}
return CMD_SUCCESS;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
/* Keep alphabetized */
@ -1171,8 +1201,11 @@ static struct cmd_handler *find_handler(char *line) {
return res;
}
enum cmd_status handle_command(char *_exec) {
enum cmd_status status = CMD_SUCCESS;
struct cmd_results *handle_command(char *_exec) {
// 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;
@ -1188,8 +1221,7 @@ enum cmd_status handle_command(char *_exec) {
++head;
// TODO handle criteria
} else {
sway_log(L_ERROR, "Unmatched [");
status = CMD_INVALID;
results = cmd_results_new(CMD_INVALID, NULL, "Unmatched [");
}
// Skip leading whitespace
head += strspn(head, whitespace);
@ -1205,7 +1237,6 @@ enum cmd_status handle_command(char *_exec) {
sway_log(L_INFO, "Ignoring empty command.");
continue;
}
sway_log(L_INFO, "Handling command '%s'", cmd);
//TODO better handling of argv
int argc;
@ -1214,37 +1245,54 @@ enum cmd_status handle_command(char *_exec) {
strip_quotes(argv[1]);
}
struct cmd_handler *handler = find_handler(argv[0]);
enum cmd_status res = CMD_INVALID;
if (!handler
|| (res = handler->handle(argc-1, argv+1)) != CMD_SUCCESS) {
sway_log(L_ERROR, "Command '%s' failed", cmd);
if (!handler) {
if (results) {
free_cmd_results(results);
}
results = cmd_results_new(CMD_INVALID, cmd, "Unknown/invalid command");
free_argv(argc, argv);
status = res;
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);
}
results = res;
goto cleanup;
}
free_argv(argc, argv);
free_cmd_results(res);
} while(cmdlist);
} while(head);
cleanup:
free(exec);
return status;
if (!results) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return results;
}
enum cmd_status config_command(char *exec) {
enum cmd_status status = CMD_SUCCESS;
struct cmd_results *config_command(char *exec) {
struct cmd_results *results = NULL;
int argc;
char **argv = split_args(exec, &argc);
if (!argc) goto cleanup;
if (!argc) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
goto cleanup;
}
sway_log(L_INFO, "handling config command '%s'", exec);
// Endblock
if (**argv == '}') {
status = CMD_BLOCK_END;
results = cmd_results_new(CMD_BLOCK_END, NULL, NULL);
goto cleanup;
}
struct cmd_handler *handler = find_handler(argv[0]);
if (!handler) {
status = CMD_INVALID;
char *input = argv[0] ? argv[0] : "(empty)";
results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command");
goto cleanup;
}
int i;
@ -1257,8 +1305,53 @@ enum cmd_status config_command(char *exec) {
if (argc>1 && (*argv[1] == '\"' || *argv[1] == '\'')) {
strip_quotes(argv[1]);
}
status = handler->handle(argc-1, argv+1);
results = handler->handle(argc-1, argv+1);
cleanup:
free_argv(argc, argv);
return status;
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));
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);
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 *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));
}
const char *json = json_object_to_json_string(root);
free(root);
return json;
}

6
sway/config.c
View file

@ -234,10 +234,11 @@ bool read_config(FILE *file, bool is_active) {
while (!feof(file)) {
line = read_line(file);
line = strip_comments(line);
switch(config_command(line)) {
struct cmd_results *res = config_command(line);
switch(res->status) {
case CMD_FAILURE:
case CMD_INVALID:
sway_log(L_ERROR, "Error on line '%s'", line);
sway_log(L_ERROR, "Error on line '%s': %s", line, res->error);
success = false;
break;
@ -270,6 +271,7 @@ bool read_config(FILE *file, bool is_active) {
default:;
}
free(line);
free(res);
}
if (is_active) {

15
sway/handlers.c
View file

@ -341,7 +341,11 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
}
if (match) {
if (state == WLC_KEY_STATE_PRESSED) {
handle_command(binding->command);
struct cmd_results *res = handle_command(binding->command);
if (res->status != CMD_SUCCESS) {
sway_log(L_ERROR, "Command '%s' failed: %s", res->input, res->error);
}
free_cmd_results(res);
return EVENT_HANDLED;
} else if (state == WLC_KEY_STATE_RELEASED) {
// TODO: --released
@ -544,8 +548,13 @@ static void handle_wlc_ready(void) {
// Execute commands until there are none left
config->active = true;
while (config->cmd_queue->length) {
handle_command(config->cmd_queue->items[0]);
free(config->cmd_queue->items[0]);
char *line = config->cmd_queue->items[0];
struct cmd_results *res = handle_command(line);
if (res->status != CMD_SUCCESS) {
sway_log(L_ERROR, "Error on line '%s': %s", line, res->error);
}
free_cmd_results(res);
free(line);
list_del(config->cmd_queue, 0);
}
}

8
sway/ipc.c
View file

@ -222,10 +222,12 @@ void ipc_client_handle_command(struct ipc_client *client) {
case IPC_COMMAND:
{
buf[client->payload_length] = '\0';
bool success = handle_command(buf);
char reply[64];
int length = snprintf(reply, sizeof(reply), "{\"success\":%s}", success ? "true" : "false");
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_GET_WORKSPACES: