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#include <xkbcommon/xkbcommon.h>
#include <xkbcommon/xkbcommon-names.h>
#include <wlc/wlc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "stringop.h"
#include "log.h"
#include "commands.h"
int cmd_set(struct sway_config *config, int argc, char **argv) {
if (argc != 2) {
sway_log(L_ERROR, "Invalid set command (expected 2 arguments, got %d)", argc);
return 1;
}
struct sway_variable *var = malloc(sizeof(struct sway_variable));
var->name = malloc(strlen(argv[0]) + 1);
strcpy(var->name, argv[0]);
var->value = malloc(strlen(argv[1]) + 1);
strcpy(var->value, argv[1]);
list_add(config->symbols, var);
return 0;
}
int cmd_exit(struct sway_config *config, int argc, char **argv) {
if (argc != 0) {
sway_log(L_ERROR, "Invalid exit command (expected 1 arguments, got %d)", argc);
return 1;
}
// TODO: Some kind of clean up is probably in order
exit(0);
return 0;
}
struct modifier_key {
char *name;
uint32_t mod;
};
struct modifier_key modifiers[] = {
{ XKB_MOD_NAME_SHIFT, WLC_BIT_MOD_SHIFT },
{ XKB_MOD_NAME_CAPS, WLC_BIT_MOD_CAPS },
{ XKB_MOD_NAME_CTRL, WLC_BIT_MOD_CTRL },
{ XKB_MOD_NAME_ALT, WLC_BIT_MOD_ALT },
{ XKB_MOD_NAME_NUM, WLC_BIT_MOD_MOD2 },
{ "Mod3", WLC_BIT_MOD_MOD3 },
{ XKB_MOD_NAME_LOGO, WLC_BIT_MOD_LOGO },
{ "Mod5", WLC_BIT_MOD_MOD5 },
};
int cmd_bindsym(struct sway_config *config, int argc, char **argv) {
if (argc < 2) {
sway_log(L_ERROR, "Invalid set command (expected 2 arguments, got %d)", argc);
return 1;
}
argv[0] = do_var_replacement(config, argv[0]);
struct sway_binding *binding = malloc(sizeof(struct sway_binding));
binding->keys = create_list();
binding->modifiers = 0;
binding->command = join_args(argv + 1, argc - 1);
list_t *split = split_string(argv[0], "+");
int i;
for (i = 0; i < split->length; ++i) {
// Check for a modifier key
int j;
bool is_mod = false;
for (j = 0; j < sizeof(modifiers) / sizeof(struct modifier_key); ++j) {
if (strcasecmp(modifiers[j].name, split->items[i]) == 0) {
binding->modifiers |= modifiers[j].mod;
is_mod = true;
break;
}
}
if (is_mod) continue;
// 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]);
return 1;
}
xkb_keysym_t *key = malloc(sizeof(xkb_keysym_t));
*key = sym;
list_add(binding->keys, key);
}
list_free(split);
// TODO: Check if there are other commands with this key binding
list_add(config->current_mode->bindings, binding);
sway_log(L_DEBUG, "bindsym - Bound %s to command %s", argv[0], binding->command);
return 0;
}
/* Keep alphabetized */
struct cmd_handler handlers[] = {
{ "bindsym", cmd_bindsym },
{ "exit", cmd_exit },
{ "set", cmd_set },
};
char **split_directive(char *line, int *argc) {
const char *delimiters = " ";
*argc = 0;
while (isspace(*line) && *line) ++line;
int capacity = 10;
char **parts = malloc(sizeof(char *) * capacity);
if (!*line) return parts;
int in_string = 0, in_character = 0;
int i, j, _;
for (i = 0, j = 0; line[i]; ++i) {
if (line[i] == '\\') {
++i;
} else if (line[i] == '"' && !in_character) {
in_string = !in_string;
} else if (line[i] == '\'' && !in_string) {
in_character = !in_character;
} else if (!in_character && !in_string) {
if (strchr(delimiters, line[i]) != NULL) {
char *item = malloc(i - j + 1);
strncpy(item, line + j, i - j);
item[i - j] = '\0';
item = strip_whitespace(item, &_);
if (item[0] == '\0') {
free(item);
} else {
if (*argc == capacity) {
capacity *= 2;
parts = realloc(parts, sizeof(char *) * capacity);
}
parts[*argc] = item;
j = i + 1;
++*argc;
}
}
}
}
char *item = malloc(i - j + 1);
strncpy(item, line + j, i - j);
item[i - j] = '\0';
item = strip_whitespace(item, &_);
if (*argc == capacity) {
capacity++;
parts = realloc(parts, sizeof(char *) * capacity);
}
parts[*argc] = item;
++*argc;
return parts;
}
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);
}
struct cmd_handler *find_handler(struct cmd_handler handlers[], int l, char *line) {
struct cmd_handler d = { .command=line };
struct cmd_handler *res = bsearch(&d, handlers, l, sizeof(struct cmd_handler), handler_compare);
return res;
}
int handle_command(struct sway_config *config, char *exec) {
sway_log(L_INFO, "Handling command '%s'", exec);
char *ptr, *cmd;
if ((ptr = strchr(exec, ' ')) == NULL) {
cmd = malloc(strlen(exec) + 1);
strcpy(cmd, exec);
} else {
int index = ptr - exec;
cmd = malloc(index + 1);
strncpy(cmd, exec, index);
cmd[index] = '\0';
}
struct cmd_handler *handler = find_handler(handlers, sizeof(handlers) / sizeof(struct cmd_handler), cmd);
if (handler == NULL) {
sway_log(L_ERROR, "Unknown command '%s'", cmd);
return 0; // TODO: return error, probably
}
int argc;
char **argv = split_directive(exec + strlen(handler->command), &argc);
int ret = handler->handle(config, argc, argv);
int i;
for (i = 0; i < argc; ++i) {
free(argv[i]);
}
free(argv);
return ret;
}
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