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NEDM/parse.c

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// Copyright 2020 - 2025, project-repo and the NEDM contributors
// SPDX-License-Identifier: MIT
#define _POSIX_C_SOURCE 200812L
#include <float.h>
#include <libinput.h>
#include <limits.h>
#include <string.h>
#include <wlr/util/log.h>
#include "input_manager.h"
#include "keybinding.h"
#include "message.h"
#include "output.h"
#include "parse.h"
#include "server.h"
#include "status_bar.h"
#include "util.h"
#include "wallpaper.h"
char *
log_error(const char *fmt, ...) {
va_list args;
va_start(args, fmt);
char *ret = malloc_vsprintf_va_list(fmt, args);
if(ret != NULL) {
wlr_log(WLR_ERROR, "%s", ret);
}
va_end(args);
return ret;
}
/* parses a key definition (e.g. "S-Tab") and sets key and modifiers in
* keybinding respectivly */
int
parse_key(struct keybinding *keybinding, const char *key_def, char **errstr) {
if(key_def == NULL) {
*errstr = log_error("Expected key definition, got nothing.");
return -1;
}
keybinding->modifiers = 0;
while(strlen(key_def) > 1 && key_def[1] == '-') {
switch(key_def[0]) {
case 'S':
keybinding->modifiers |= WLR_MODIFIER_SHIFT;
break;
case 'A':
keybinding->modifiers |= WLR_MODIFIER_ALT;
break;
case 'C':
keybinding->modifiers |= WLR_MODIFIER_CTRL;
break;
case 'L':
keybinding->modifiers |= WLR_MODIFIER_LOGO;
break;
case '2':
keybinding->modifiers |= WLR_MODIFIER_MOD2;
break;
case '3':
keybinding->modifiers |= WLR_MODIFIER_MOD3;
break;
case '5':
keybinding->modifiers |= WLR_MODIFIER_MOD5;
break;
default:
*errstr = log_error("Unknown modifier \"%c\"", key_def[0]);
return -1;
}
key_def += 2;
}
xkb_keysym_t keysym = xkb_keysym_from_name(key_def, XKB_KEYSYM_NO_FLAGS);
if(keysym == XKB_KEY_NoSymbol) {
*errstr = log_error("Could not convert key \"%s\" to keysym.", key_def);
return -1;
}
keybinding->key = keysym;
return 0;
}
int
parse_command(struct nedm_server *server, struct keybinding *keybinding,
char *saveptr, char **errstr, int nesting_level);
/* Parse a keybinding definition and return it if successful, else return NULL
*/
struct keybinding *
parse_keybinding(struct nedm_server *server, char **saveptr, char **errstr,
int nesting_level) {
struct keybinding *keybinding = malloc(sizeof(struct keybinding));
if(keybinding == NULL) {
*errstr = log_error(
"Failed to allocate memory for keybinding in parse_keybinding");
return NULL;
}
char *key = strtok_r(NULL, " ", saveptr);
if(parse_key(keybinding, key, errstr) != 0) {
wlr_log(WLR_ERROR, "Could not parse key definition \"%s\"", key);
free(keybinding);
return NULL;
}
if(parse_command(server, keybinding, *saveptr, errstr, nesting_level + 1) !=
0) {
free(keybinding);
return NULL;
}
return keybinding;
}
float
parse_float(char **saveptr, const char *delim) {
char *uint_str = strtok_r(NULL, delim, saveptr);
if(uint_str == NULL) {
wlr_log(WLR_ERROR, "Expected a float, got nothing");
return -1;
}
float ufloat = strtof(uint_str, NULL);
if(ufloat != NAN && ufloat != INFINITY && errno != ERANGE) {
return ufloat;
} else {
wlr_log(WLR_ERROR, "Error parsing float");
return FLT_MIN;
}
}
int
parse_uint(char **saveptr, const char *delim) {
char *uint_str = strtok_r(NULL, delim, saveptr);
if(uint_str == NULL) {
wlr_log(WLR_ERROR, "Expected a non-negative integer, got nothing");
return -1;
}
long uint = strtol(uint_str, NULL, 10);
if(uint >= 0 && uint <= INT_MAX) {
return uint;
} else {
wlr_log(WLR_ERROR,
"Error parsing non-negative integer. Must be a number larger "
"or equal to 0 and less or equal to %d",
INT_MAX);
return -1;
}
}
struct nedm_input_config *
parse_input_config(char **saveptr, char **errstr) {
struct nedm_input_config *cfg = input_manager_create_empty_input_config();
char *value = NULL;
char *ident = NULL;
if(cfg == NULL) {
*errstr =
log_error("Failed to allocate memory for input configuration");
goto error;
}
ident = strtok_r(NULL, " ", saveptr);
if(ident == NULL) {
*errstr = log_error(
"Expected identifier of input device to configure, got none");
goto error;
}
cfg->identifier = strdup(ident);
char *setting = strtok_r(NULL, " ", saveptr);
if(setting == NULL) {
*errstr =
log_error("Expected setting to be set on input device, got none");
goto error;
}
value = strdup(*saveptr);
if(value == NULL) {
*errstr = log_error("Failed to obtain value for input device "
"configuration of device \"%s\"",
ident);
goto error;
}
if(strcmp(setting, "accel_profile") == 0) {
if(strcmp(value, "adaptive") == 0) {
cfg->accel_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE;
} else if(strcmp(value, "flat") == 0) {
cfg->accel_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT;
} else {
*errstr = log_error(
"Invalid profile \"%s\" for accel_profile configuration",
value);
goto error;
}
} else if(strcmp(setting, "calibration_matrix") == 0) {
cfg->calibration_matrix.configured = true;
for(int i = 0; i < 6; ++i) {
cfg->calibration_matrix.matrix[i] = parse_float(saveptr, " ");
if(cfg->calibration_matrix.matrix[i] == FLT_MIN) {
*errstr =
log_error("Failed to read calibration matrix, expected 6 "
"floating point values separated by spaces");
goto error;
}
}
} else if(strcmp(setting, "click_method") == 0) {
if(strcmp(value, "none")) {
cfg->click_method = LIBINPUT_CONFIG_CLICK_METHOD_NONE;
} else if(strcmp(value, "button_areas")) {
cfg->click_method = LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS;
} else if(strcmp(value, "clickfinger")) {
cfg->click_method = LIBINPUT_CONFIG_CLICK_METHOD_CLICKFINGER;
} else {
*errstr = log_error(
"Invalid method \"%s\" for click_method configuration", value);
goto error;
}
} else if(strcmp(setting, "drag") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->drag = LIBINPUT_CONFIG_DRAG_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->drag = LIBINPUT_CONFIG_DRAG_DISABLED;
} else {
*errstr =
log_error("Invalid option \"%s\" to setting \"drag\"", value);
goto error;
}
} else if(strcmp(setting, "drag_lock") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->drag_lock = LIBINPUT_CONFIG_DRAG_LOCK_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->drag_lock = LIBINPUT_CONFIG_DRAG_LOCK_DISABLED;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"drag_lock\"", value);
goto error;
}
} else if(strcmp(setting, "dwt") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->dwt = LIBINPUT_CONFIG_DWT_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->dwt = LIBINPUT_CONFIG_DWT_DISABLED;
} else {
*errstr =
log_error("Invalid option \"%s\" to setting \"dwt\"", value);
goto error;
}
} else if(strcmp(setting, "events") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->send_events = LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->send_events = LIBINPUT_CONFIG_SEND_EVENTS_DISABLED;
} else if(strcmp(value, "disabled_on_external_mouse") == 0) {
cfg->send_events =
LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE;
} else {
*errstr =
log_error("Invalid option \"%s\" to setting \"events\"", value);
goto error;
}
} else if(strcmp(setting, "left_handed") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->left_handed = true;
} else if(strcmp(value, "disabled") == 0) {
cfg->left_handed = false;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"left_handed\"", value);
goto error;
}
} else if(strcmp(setting, "middle_emulation") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->middle_emulation = LIBINPUT_CONFIG_MIDDLE_EMULATION_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->middle_emulation = LIBINPUT_CONFIG_MIDDLE_EMULATION_DISABLED;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"middle_emulation\"", value);
goto error;
}
} else if(strcmp(setting, "natural_scroll") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->natural_scroll = true;
} else if(strcmp(value, "disabled") == 0) {
cfg->natural_scroll = false;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"natural_scroll\"", value);
goto error;
}
} else if(strcmp(setting, "pointer_accel") == 0) {
cfg->pointer_accel = parse_float(saveptr, " ");
if(cfg->pointer_accel == FLT_MIN) {
*errstr = log_error("Invalid option \"%s\" to setting "
"\"pointer_accel\", expected float value",
value);
goto error;
}
} else if(strcmp(setting, "scroll_button") == 0) {
char *err = NULL;
cfg->scroll_button = input_manager_get_mouse_button(value, &err);
if(err) {
*errstr = log_error("Error parsing button for \"scroll_button\" "
"setting. Returned error \"%s\"",
err);
free(err);
goto error;
}
} else if(strcmp(setting, "scroll_factor") == 0) {
cfg->scroll_factor = parse_float(saveptr, " ");
if(cfg->scroll_factor == FLT_MIN) {
*errstr = log_error("Invalid option \"%s\" to setting "
"\"scroll_factor\", expected float value",
value);
goto error;
}
} else if(strcmp(setting, "scroll_method") == 0) {
if(strcmp(value, "none") == 0) {
cfg->scroll_method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
} else if(strcmp(value, "two_finger") == 0) {
cfg->scroll_method = LIBINPUT_CONFIG_SCROLL_2FG;
} else if(strcmp(value, "edge") == 0) {
cfg->scroll_method = LIBINPUT_CONFIG_SCROLL_EDGE;
} else if(strcmp(value, "on_button_down") == 0) {
cfg->scroll_method = LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"scroll_method\"", value);
goto error;
}
} else if(strcmp(setting, "tap") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->tap = LIBINPUT_CONFIG_TAP_ENABLED;
} else if(strcmp(value, "disabled") == 0) {
cfg->tap = LIBINPUT_CONFIG_TAP_DISABLED;
} else {
*errstr =
log_error("Invalid option \"%s\" to setting \"tap\"", value);
goto error;
}
} else if(strcmp(setting, "tap_button_map") == 0) {
if(strcmp(value, "lrm") == 0) {
cfg->tap = LIBINPUT_CONFIG_TAP_MAP_LRM;
} else if(strcmp(value, "lmr") == 0) {
cfg->tap = LIBINPUT_CONFIG_TAP_MAP_LMR;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"tap_button_map\"", value);
goto error;
}
} else if(strcmp(setting, "keybindings") == 0) {
if(strcmp(value, "enabled") == 0) {
cfg->enable_keybindings = true;
} else if(strcmp(value, "disabled") == 0) {
cfg->enable_keybindings = false;
} else {
*errstr = log_error(
"Invalid option \"%s\" to setting \"keybindings\"", value);
goto error;
}
} else if(strcmp(setting, "repeat_delay") == 0) {
cfg->repeat_delay = parse_uint(saveptr, " ");
if(cfg->repeat_delay < 0) {
*errstr = log_error("Invalid option \"%s\" to setting "
"\"repeat_delay\", expected positive integer",
value);
goto error;
}
} else if(strcmp(setting, "repeat_rate") == 0) {
cfg->repeat_rate = parse_uint(saveptr, " ");
if(cfg->repeat_rate < 0) {
*errstr = log_error("Invalid option \"%s\" to setting "
"\"repeat_rate\", expected positive integer",
value);
goto error;
}
} else {
*errstr = log_error("Invalid option to command \"input\"");
goto error;
}
free(value);
return cfg;
error:
if(cfg) {
if(cfg->identifier) {
free(cfg->identifier);
}
free(cfg);
}
if(value) {
free(value);
}
wlr_log(WLR_ERROR, "Input configuration must be of the form 'input "
"\"<ident>\" <setting> <value>'");
return NULL;
}
struct keybinding *
parse_bind(struct nedm_server *server, char **saveptr, char **errstr,
int nesting_level) {
struct keybinding *keybinding =
parse_keybinding(server, saveptr, errstr, nesting_level);
if(keybinding == NULL) {
wlr_log(WLR_ERROR, "Could not parse keybinding for \"bind\".");
return NULL;
}
keybinding->mode = 1;
return keybinding;
}
struct keybinding *
parse_definekey(struct nedm_server *server, char **saveptr, char **errstr,
int nesting_level) {
char *mode = strtok_r(NULL, " ", saveptr);
if(mode == NULL) {
*errstr =
log_error("Too few arguments to \"definekey\". Expected mode");
return NULL;
}
int mode_idx = get_mode_index_from_name(server->modes, mode);
if(mode_idx == -1) {
*errstr = log_error("Unknown mode \"%s\"", mode);
return NULL;
}
struct keybinding *keybinding =
parse_keybinding(server, saveptr, errstr, nesting_level);
if(keybinding == NULL) {
wlr_log(WLR_ERROR, "Could not parse keybinding for \"definekey\"");
return NULL;
}
keybinding->mode = mode_idx;
return keybinding;
}
int
parse_background(float *color, char **saveptr, char **errstr) {
/* Read rgb numbers */
for(unsigned int i = 0; i < 3; ++i) {
char *nstr = strtok_r(NULL, " \n", saveptr);
int nstrlen;
if(nstr == NULL || (nstrlen = strlen(nstr)) == 0) {
*errstr = log_error("Expected three space-separated numbers (rgb) "
"for background color setting. Got %d.",
i);
return -1;
}
if(nstr[nstrlen - 1] == '\n') {
nstr[nstrlen - 1] = '\0';
--nstrlen;
}
char *endptr = NULL;
float nval = strtof(nstr, &endptr);
if(endptr != nstr + nstrlen) {
*errstr = log_error(
"Could not parse number \"%s\" for background color setting.",
nstr);
return -1;
}
if(nval < 0 || nval > 1) {
*errstr = log_error("Expected a number between 0 and 1 for setting "
"of background color. Got %f.",
nval);
return -1;
}
color[i] = nval;
}
return 0;
}
struct keybinding *
parse_escape(char **saveptr, char **errstr) {
struct keybinding *keybinding = malloc(sizeof(struct keybinding));
if(keybinding == NULL) {
*errstr = log_error(
"Failed to allocate memory for keybinding in parse_escape");
return NULL;
}
char *key = strtok_r(NULL, " ", saveptr);
if(parse_key(keybinding, key, errstr) != 0) {
wlr_log(WLR_ERROR,
"Could not parse key definition \"%s\" for \"escape\"", key);
free(keybinding);
return NULL;
}
keybinding->mode = 0; //"top" mode
keybinding->action = KEYBINDING_SWITCH_MODE;
keybinding->data.u = 1; //"root" mode
return keybinding;
}
int
parse_cursor(char **saveptr, char **errstr) {
if(strcmp(*saveptr, "enable") == 0) {
return 1;
} else if(strcmp(*saveptr, "disable") == 0) {
return 0;
} else {
*errstr = log_error(
"Invalid option \"%s\" for \"cursor\". Expected \"enable\" or "
"\"disable\".",
*saveptr);
return -1;
}
}
char *
parse_definemode(char **saveptr, char **errstr) {
char *mode = strtok_r(NULL, " ", saveptr);
if(mode == NULL) {
*errstr = log_error("Expected mode to succeed \"definemode\" keyword.");
return NULL;
}
return strdup(mode);
}
int
parse_workspaces(char **saveptr, char **errstr) {
char *nws_str = strtok_r(NULL, " ", saveptr);
if(nws_str == NULL) {
*errstr = log_error(
"Expected argument for \"workspaces\" command, got none.");
return -1;
}
long nws = strtol(nws_str, NULL, 10);
if(!(1 <= nws && nws <= 30)) {
*errstr = log_error(
"More than 30 workspaces are not supported. Received %li", nws);
return -1;
}
return nws;
}
int
parse_output_config_keyword(char *key_str, enum output_status *status) {
if(key_str == NULL) {
return -1;
}
if(strcmp(key_str, "pos") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "prio") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "rotate") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "scale") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "enable") == 0) {
*status = OUTPUT_ENABLE;
} else if(strcmp(key_str, "permanent") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "peripheral") == 0) {
*status = OUTPUT_DEFAULT;
} else if(strcmp(key_str, "disable") == 0) {
*status = OUTPUT_DISABLE;
} else {
return -1;
}
return 0;
}
struct nedm_output_config *
parse_output_config(char **saveptr, char **errstr) {
struct nedm_output_config *cfg = malloc(sizeof(struct nedm_output_config));
if(cfg == NULL) {
*errstr =
log_error("Failed to allocate memory for output configuration");
goto error;
}
cfg->status = OUTPUT_DEFAULT;
cfg->pos.x = -1;
cfg->output_name = NULL;
cfg->refresh_rate = 0;
cfg->priority = -1;
cfg->scale = -1;
cfg->angle = -1;
cfg->role = OUTPUT_ROLE_DEFAULT;
char *name = strtok_r(NULL, " ", saveptr);
if(name == NULL) {
*errstr =
log_error("Expected name of output to be configured, got none");
goto error;
}
char *key_str = strtok_r(NULL, " ", saveptr);
if(parse_output_config_keyword(key_str, &(cfg->status)) != 0) {
*errstr = log_error("Expected keyword \"pos\", \"prio\", \"enable\", "
"\"disable\", \"permanent\" or \"peripheral\" in "
"output configuration for output %s",
name);
goto error;
}
if(cfg->status == OUTPUT_ENABLE || cfg->status == OUTPUT_DISABLE) {
cfg->output_name = strdup(name);
return cfg;
}
if(strcmp(key_str, "rotate") == 0) {
uint32_t angle = parse_uint(saveptr, " ");
// 360 degrees is equivalent to 0 degrees
cfg->angle = angle % 4;
if(cfg->angle < 0) {
*errstr =
log_error("Error parsing option rotate for output %s", name);
goto error;
}
cfg->output_name = strdup(name);
return cfg;
}
if(strcmp(key_str, "prio") == 0) {
cfg->priority = parse_uint(saveptr, " ");
if(cfg->priority < 0) {
*errstr = log_error(
"Error parsing priority of output configuration for output %s",
name);
goto error;
}
cfg->output_name = strdup(name);
return cfg;
}
if(strcmp(key_str, "scale") == 0) {
cfg->scale = parse_float(saveptr, " ");
if(cfg->scale <= 0.0) {
*errstr =
log_error("Error parsing scale of output configuration for "
"output %s, expected positive float",
name);
goto error;
}
cfg->output_name = strdup(name);
return cfg;
}
if(strcmp(key_str, "peripheral") == 0) {
cfg->output_name = strdup(name);
cfg->role = OUTPUT_ROLE_PERIPHERAL;
return cfg;
}
if(strcmp(key_str, "permanent") == 0) {
cfg->output_name = strdup(name);
cfg->role = OUTPUT_ROLE_PERMANENT;
return cfg;
}
cfg->pos.x = parse_uint(saveptr, " ");
if(cfg->pos.x < 0) {
*errstr = log_error(
"Error parsing x coordinate of output configuration for output %s",
name);
goto error;
}
cfg->pos.y = parse_uint(saveptr, " ");
if(cfg->pos.y < 0) {
*errstr = log_error(
"Error parsing y coordinate of output configuration for output %s",
name);
goto error;
}
char *res_str = strtok_r(NULL, " ", saveptr);
if(res_str == NULL || strcmp(res_str, "res") != 0) {
*errstr = log_error(
"Expected keyword \"res\" in output configuration for output %s",
name);
goto error;
}
cfg->pos.width = parse_uint(saveptr, "x");
if(cfg->pos.width <= 0) {
*errstr = log_error("Error parsing width of output configuration for "
"output %s (hint: width must be larger than 0)",
name);
goto error;
}
cfg->pos.height = parse_uint(saveptr, " ");
if(cfg->pos.height <= 0) {
*errstr = log_error("Error parsing height of output configuration for "
"output %s (hint: height must e larger than 0)",
name);
goto error;
}
char *rate_str = strtok_r(NULL, " ", saveptr);
if(rate_str == NULL || strcmp(rate_str, "rate") != 0) {
*errstr = log_error(
"Expected keyword \"rate\" in output configuration for output %s",
name);
goto error;
}
cfg->refresh_rate = parse_float(saveptr, " ");
if(cfg->refresh_rate <= 0.0) {
*errstr =
log_error("Error parsing refresh rate of output configuration for "
"output %s, expected positive float",
name);
goto error;
}
cfg->output_name = strdup(name);
return cfg;
error:
free(cfg);
wlr_log(WLR_ERROR,
"Output configuration must be of the form \"output <name> pos <x> "
"<y> res <width>x<height> rate <refresh_rate>");
return NULL;
}
struct nedm_message_config *
parse_message_config(char **saveptr, char **errstr) {
struct nedm_message_config *cfg = calloc(1, sizeof(struct nedm_message_config));
if(cfg == NULL) {
*errstr =
log_error("Failed to allocate memory for message configuration");
goto error;
}
cfg->bg_color[0] = -1;
cfg->fg_color[0] = -1;
cfg->display_time = -1;
cfg->font = NULL;
cfg->anchor = NEDM_MESSAGE_NOPT;
cfg->enabled = -1;
char *setting = strtok_r(NULL, " ", saveptr);
if(setting == NULL) {
*errstr = log_error(
"Expected setting to be set for message configuration, got none");
goto error;
}
if(strcmp(setting, "font") == 0) {
cfg->font = strdup(*saveptr);
if(cfg->font == NULL) {
*errstr = log_error("Unable to allocate memory for font descrition "
"in command \"message\"");
goto error;
}
} else if(strcmp(setting, "display_time") == 0) {
cfg->display_time = parse_uint(saveptr, " ");
if(cfg->display_time < 0) {
*errstr =
log_error("Error parsing command \"configure_message "
"display_time\", expected a non-negative integer");
goto error;
}
} else if(strcmp(setting, "bg_color") == 0) {
for(int i = 0; i < 4; ++i) {
cfg->bg_color[i] = parse_float(saveptr, " ");
if(cfg->bg_color[i] == FLT_MIN) {
*errstr = log_error(
"Error parsing command \"configure_message bg_color\", "
"expected 4 float values separated by spaces");
goto error;
}
}
} else if(strcmp(setting, "fg_color") == 0) {
for(int i = 0; i < 4; ++i) {
cfg->fg_color[i] = parse_float(saveptr, " ");
if(cfg->fg_color[i] == FLT_MIN) {
*errstr = log_error(
"Error parsing command \"configure_message bg_color\", "
"expected 4 float values separated by spaces");
goto error;
}
}
} else if(strcmp(setting, "anchor") == 0) {
char *anchors[] = {"top_left", "top_center", "top_right",
"bottom_left", "bottom_center", "bottom_right",
"center"};
for(int i = 0; i < 7; ++i) {
if(strcmp(*saveptr, anchors[i]) == 0) {
cfg->anchor = i;
break;
}
}
if(cfg->anchor == NEDM_MESSAGE_NOPT) {
*errstr =
log_error("Error parsing command \"configure_message anchor\", "
"the given anchor value is not a valid option");
goto error;
}
} else if(strcmp(setting, "enable") == 0) {
cfg->enabled = 1;
} else if(strcmp(setting, "disable") == 0) {
cfg->enabled = 0;
} else {
*errstr = log_error("Invalid option to command \"configure_message\"");
goto error;
}
return cfg;
error:
if(cfg != NULL) {
free(cfg);
}
wlr_log(WLR_ERROR, "Message configuration must be of the form "
"'configure_message <setting> <value>'");
return NULL;
}
static struct nedm_status_bar_config *
parse_status_bar_config(char **saveptr, char **errstr) {
struct nedm_status_bar_config *cfg = calloc(1, sizeof(struct nedm_status_bar_config));
if(cfg == NULL) {
*errstr = log_error("Failed to allocate memory for status bar configuration");
goto error;
}
// Set defaults
cfg->position = NEDM_STATUS_BAR_TOP_RIGHT;
cfg->height = 24;
cfg->width_percent = 20;
cfg->update_interval = 1000;
cfg->bg_color[0] = 0.1f; cfg->bg_color[1] = 0.1f; cfg->bg_color[2] = 0.1f; cfg->bg_color[3] = 0.9f;
cfg->text_color[0] = 1.0f; cfg->text_color[1] = 1.0f; cfg->text_color[2] = 1.0f; cfg->text_color[3] = 1.0f;
cfg->font = strdup("monospace 10");
cfg->show_time = true;
cfg->show_date = true;
cfg->show_battery = true;
cfg->show_volume = true;
cfg->show_wifi = true;
cfg->show_workspace = true;
char *setting = strtok_r(NULL, " ", saveptr);
if(setting == NULL) {
*errstr = log_error("Expected setting to be set for status bar configuration, got none");
goto error;
}
if(strcmp(setting, "position") == 0) {
char *pos_str = strtok_r(NULL, " ", saveptr);
if(pos_str == NULL) {
*errstr = log_error("Expected position for status bar configuration, got none");
goto error;
}
if(strcmp(pos_str, "top_left") == 0) {
cfg->position = NEDM_STATUS_BAR_TOP_LEFT;
} else if(strcmp(pos_str, "top_right") == 0) {
cfg->position = NEDM_STATUS_BAR_TOP_RIGHT;
} else if(strcmp(pos_str, "bottom_left") == 0) {
cfg->position = NEDM_STATUS_BAR_BOTTOM_LEFT;
} else if(strcmp(pos_str, "bottom_right") == 0) {
cfg->position = NEDM_STATUS_BAR_BOTTOM_RIGHT;
} else {
*errstr = log_error("Invalid position \"%s\" for status bar", pos_str);
goto error;
}
} else if(strcmp(setting, "height") == 0) {
cfg->height = parse_uint(saveptr, " ");
if(cfg->height == 0) {
*errstr = log_error("Invalid height for status bar");
goto error;
}
} else if(strcmp(setting, "width_percent") == 0) {
cfg->width_percent = parse_uint(saveptr, " ");
if(cfg->width_percent == 0 || cfg->width_percent > 100) {
*errstr = log_error("Invalid width_percent for status bar (must be 1-100)");
goto error;
}
} else if(strcmp(setting, "update_interval") == 0) {
cfg->update_interval = parse_uint(saveptr, " ");
if(cfg->update_interval == 0) {
*errstr = log_error("Invalid update_interval for status bar");
goto error;
}
} else if(strcmp(setting, "font") == 0) {
free(cfg->font);
cfg->font = strdup(*saveptr);
if(cfg->font == NULL) {
*errstr = log_error("Unable to allocate memory for font in status bar config");
goto error;
}
} else if(strcmp(setting, "bg_color") == 0) {
if(parse_background(cfg->bg_color, saveptr, errstr) != 0) {
goto error;
}
} else if(strcmp(setting, "text_color") == 0) {
if(parse_background(cfg->text_color, saveptr, errstr) != 0) {
goto error;
}
} else {
*errstr = log_error("Unknown status bar setting: \"%s\"", setting);
goto error;
}
return cfg;
error:
if(cfg) {
free(cfg->font);
free(cfg);
}
return NULL;
}
static struct nedm_wallpaper_config *
parse_wallpaper_config(char **saveptr, char **errstr) {
struct nedm_wallpaper_config *cfg = calloc(1, sizeof(struct nedm_wallpaper_config));
if(cfg == NULL) {
*errstr = log_error("Failed to allocate memory for wallpaper configuration");
goto error;
}
// Set defaults
cfg->image_path = strdup("assets/nedm.png");
cfg->mode = NEDM_WALLPAPER_FILL;
cfg->bg_color[0] = 0.2f; cfg->bg_color[1] = 0.2f; cfg->bg_color[2] = 0.3f; cfg->bg_color[3] = 1.0f;
char *setting = strtok_r(NULL, " ", saveptr);
if(setting == NULL) {
*errstr = log_error("Expected setting to be set for wallpaper configuration, got none");
goto error;
}
if(strcmp(setting, "image_path") == 0) {
free(cfg->image_path);
cfg->image_path = strdup(*saveptr);
if(cfg->image_path == NULL) {
*errstr = log_error("Unable to allocate memory for image path in wallpaper config");
goto error;
}
} else if(strcmp(setting, "mode") == 0) {
char *mode_str = strtok_r(NULL, " ", saveptr);
if(mode_str == NULL) {
*errstr = log_error("Expected mode for wallpaper configuration, got none");
goto error;
}
if(strcmp(mode_str, "fill") == 0) {
cfg->mode = NEDM_WALLPAPER_FILL;
} else if(strcmp(mode_str, "fit") == 0) {
cfg->mode = NEDM_WALLPAPER_FIT;
} else if(strcmp(mode_str, "stretch") == 0) {
cfg->mode = NEDM_WALLPAPER_STRETCH;
} else if(strcmp(mode_str, "center") == 0) {
cfg->mode = NEDM_WALLPAPER_CENTER;
} else if(strcmp(mode_str, "tile") == 0) {
cfg->mode = NEDM_WALLPAPER_TILE;
} else {
*errstr = log_error("Invalid mode \"%s\" for wallpaper", mode_str);
goto error;
}
} else if(strcmp(setting, "bg_color") == 0) {
if(parse_background(cfg->bg_color, saveptr, errstr) != 0) {
goto error;
}
} else {
*errstr = log_error("Unknown wallpaper setting: \"%s\"", setting);
goto error;
}
return cfg;
error:
if(cfg) {
free(cfg->image_path);
free(cfg);
}
return NULL;
}
int
parse_command(struct nedm_server *server, struct keybinding *keybinding,
char *saveptr, char **errstr, int nesting_level) {
char *action = strtok_r(NULL, " ", &saveptr);
if(nesting_level >= MAX_NESTING_LEVEL) {
*errstr =
log_error("Nesting level of commands is too deep. Giving up.");
return -1;
}
if(action == NULL) {
*errstr = log_error("Expexted an action to parse, got none.");
return -1;
}
keybinding->data = (union keybinding_params){.c = NULL};
if(strcmp(action, "vsplit") == 0) {
keybinding->action = KEYBINDING_SPLIT_VERTICAL;
char *percentage_string = strtok_r(NULL, " ", &saveptr);
if(percentage_string == NULL) {
keybinding->data.f = 0.5;
} else {
float percentage = strtof(percentage_string, NULL);
if(percentage == NAN || percentage == INFINITY || errno == ERANGE) {
wlr_log(WLR_ERROR, "Error parsing float.");
return -1;
}
if(percentage >= 1.0 || percentage <= 0.0) {
wlr_log(WLR_ERROR, "Expected a float between 0 and 1, got %f.",
percentage);
return -1;
}
keybinding->data.f = percentage;
}
} else if(strcmp(action, "hsplit") == 0) {
keybinding->action = KEYBINDING_SPLIT_HORIZONTAL;
char *percentage_string = strtok_r(NULL, " ", &saveptr);
if(percentage_string == NULL) {
keybinding->data.f = 0.5;
} else {
float percentage = strtof(percentage_string, NULL);
if(percentage == NAN || percentage == INFINITY || errno == ERANGE) {
wlr_log(WLR_ERROR, "Error parsing float.");
return -1;
}
if(percentage >= 1.0 || percentage <= 0.0) {
wlr_log(WLR_ERROR, "Expected a float between 0 and 1, got %f.",
percentage);
return -1;
}
keybinding->data.f = percentage;
}
} else if(strcmp(action, "quit") == 0) {
keybinding->action = KEYBINDING_QUIT;
} else if(strcmp(action, "dump") == 0) {
keybinding->action = KEYBINDING_DUMP;
} else if(strcmp(action, "show_info") == 0) {
keybinding->action = KEYBINDING_SHOW_INFO;
} else if(strcmp(action, "close") == 0) {
keybinding->action = KEYBINDING_CLOSE_VIEW;
} else if(strcmp(action, "focus") == 0) {
keybinding->action = KEYBINDING_CYCLE_TILES;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 0;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("Tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.us[1] = tile_id;
}
} else if(strcmp(action, "focusprev") == 0) {
keybinding->action = KEYBINDING_CYCLE_TILES;
keybinding->data.us[0] = 1;
keybinding->data.us[1] = 0;
} else if(strcmp(action, "next") == 0) {
keybinding->action = KEYBINDING_CYCLE_VIEWS;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 0;
char *view_str = strtok_r(NULL, " ", &saveptr);
if(view_str != NULL) {
long view_id = strtol(view_str, NULL, 10);
if(view_id < 1) {
*errstr = log_error("View id must be an integer number "
"larger or equal to 1. Got %ld",
view_id);
return -1;
}
keybinding->data.us[1] = view_id;
}
} else if(strcmp(action, "prev") == 0) {
keybinding->action = KEYBINDING_CYCLE_VIEWS;
keybinding->data.us[0] = 1;
keybinding->data.us[1] = 0;
} else if(strcmp(action, "only") == 0) {
keybinding->action = KEYBINDING_LAYOUT_FULLSCREEN;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 0;
char *screen_str = strtok_r(NULL, " ", &saveptr);
if(screen_str != NULL) {
long screen = strtol(screen_str, NULL, 10);
if(screen < 1) {
*errstr = log_error("Screen must be an integer number "
"larger or equal to 1. Got %ld",
screen);
return -1;
}
keybinding->data.us[0] = screen;
char *workspace_str = strtok_r(NULL, " ", &saveptr);
if(workspace_str == NULL) {
*errstr = log_error(
"\"only\" requires either none or two arguments, got one");
return -1;
}
long workspace = strtol(workspace_str, NULL, 10);
if(workspace < 1) {
*errstr = log_error("Workspace must be an integer number "
"larger or equal to 1. Got %ld",
workspace);
return -1;
}
keybinding->data.us[1] = workspace - 1;
}
} else if(strcmp(action, "abort") == 0) {
keybinding->action = KEYBINDING_NOOP;
} else if(strcmp(action, "message") == 0) {
keybinding->action = KEYBINDING_DISPLAY_MESSAGE;
if(saveptr == NULL) {
*errstr =
log_error("Not enough paramaters to \"message\". Expected "
"string to display.");
return -1;
}
keybinding->data.c = strdup(saveptr);
} else if(strcmp(action, "custom_event") == 0) {
keybinding->action = KEYBINDING_SEND_CUSTOM_EVENT;
if(saveptr == NULL) {
*errstr =
log_error("Not enough paramaters to \"custom_event\". Expected "
"string to send.");
return -1;
}
keybinding->data.c = strdup(saveptr);
} else if(strcmp(action, "time") == 0) {
keybinding->action = KEYBINDING_SHOW_TIME;
} else if(strcmp(action, "nextscreen") == 0) {
keybinding->action = KEYBINDING_CYCLE_OUTPUT;
keybinding->data.b = false;
} else if(strcmp(action, "prevscreen") == 0) {
keybinding->action = KEYBINDING_CYCLE_OUTPUT;
keybinding->data.b = true;
} else if(strcmp(action, "exec") == 0) {
keybinding->action = KEYBINDING_RUN_COMMAND;
if(saveptr == NULL) {
*errstr = log_error("Not enough paramaters to \"exec\". Expected "
"string to execute.");
return -1;
}
keybinding->data.c = strdup(saveptr);
} else if(strcmp(action, "resizeleft") == 0) {
keybinding->action = KEYBINDING_RESIZE_TILE_HORIZONTAL;
keybinding->data.is[0] = -10;
keybinding->data.is[1] = 0;
char *str = strtok_r(NULL, " ", &saveptr);
if(str != NULL) {
long n_pixels = strtol(str, NULL, 10);
if(n_pixels < 1) {
*errstr =
log_error("Number of pixels must be an integer number "
"larger or equal to 1. Got %ld",
n_pixels);
return -1;
}
keybinding->data.is[0] = -n_pixels;
}
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.is[1] = tile_id;
}
} else if(strcmp(action, "resizeright") == 0) {
keybinding->action = KEYBINDING_RESIZE_TILE_HORIZONTAL;
keybinding->data.is[0] = 10;
keybinding->data.is[1] = 0;
char *str = strtok_r(NULL, " ", &saveptr);
if(str != NULL) {
long n_pixels = strtol(str, NULL, 10);
if(n_pixels < 1) {
*errstr =
log_error("Number of pixels must be an integer number "
"larger or equal to 1. Got %ld",
n_pixels);
return -1;
}
keybinding->data.is[0] = n_pixels;
}
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.is[1] = tile_id;
}
} else if(strcmp(action, "resizedown") == 0) {
keybinding->action = KEYBINDING_RESIZE_TILE_VERTICAL;
keybinding->data.is[0] = 10;
keybinding->data.is[1] = 0;
char *str = strtok_r(NULL, " ", &saveptr);
if(str != NULL) {
long n_pixels = strtol(str, NULL, 10);
if(n_pixels < 1) {
*errstr =
log_error("Number of pixels must be an integer number "
"larger or equal to 1. Got %ld",
n_pixels);
return -1;
}
keybinding->data.is[0] = n_pixels;
}
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.is[1] = tile_id;
}
} else if(strcmp(action, "resizeup") == 0) {
keybinding->action = KEYBINDING_RESIZE_TILE_VERTICAL;
keybinding->data.is[0] = -10;
keybinding->data.is[1] = 0;
char *str = strtok_r(NULL, " ", &saveptr);
if(str != NULL) {
long n_pixels = strtol(str, NULL, 10);
if(n_pixels < 1) {
*errstr =
log_error("Number of pixels must be an integer number "
"larger or equal to 1. Got %ld",
n_pixels);
return -1;
}
keybinding->data.is[0] = -n_pixels;
}
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.is[1] = tile_id;
}
} else if(strcmp(action, "screen") == 0) {
keybinding->action = KEYBINDING_SWITCH_OUTPUT;
char *noutp_str = strtok_r(NULL, " ", &saveptr);
if(noutp_str == NULL) {
*errstr =
log_error("Expected argument for \"output\" action, got none.");
return -1;
}
long outp = strtol(noutp_str, NULL, 10);
if(outp < 1) {
*errstr = log_error("Workspace number must be an integer number "
"larger or equal to 1. Got %ld",
outp);
return -1;
}
keybinding->data.u = outp;
} else if(strcmp(action, "workspace") == 0) {
keybinding->action = KEYBINDING_SWITCH_WORKSPACE;
char *nws_str = strtok_r(NULL, " ", &saveptr);
if(nws_str == NULL) {
*errstr = log_error(
"Expected argument for \"workspace\" action, got none.");
return -1;
}
long ws = strtol(nws_str, NULL, 10);
if(ws < 1) {
*errstr = log_error("Workspace number must be an integer number "
"larger or equal to 1. Got %ld",
ws);
return -1;
}
keybinding->data.u = ws - 1;
} else if(strcmp(action, "moveviewtoscreen") == 0) {
keybinding->action = KEYBINDING_MOVE_VIEW_TO_OUTPUT;
char *view_id_str = strtok_r(NULL, " ", &saveptr);
if(view_id_str == NULL) {
*errstr = log_error(
"Expected argument for \"moveviewtoscreen\" action, got none.");
return -1;
}
long view_id = strtol(view_id_str, NULL, 10);
if(view_id < 1) {
*errstr = log_error("View id must be an integer larger or "
"equal to 1. Got %ld",
view_id);
return -1;
}
char *noutp_str = strtok_r(NULL, " ", &saveptr);
if(noutp_str == NULL) {
*errstr = log_error("Expected two arguments for "
"\"moveviewtoscreen\" action, got one.");
return -1;
}
long outp = strtol(noutp_str, NULL, 10);
if(outp < 1) {
*errstr = log_error("Output number must be an integer larger or "
"equal to 1. Got %ld",
outp);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = view_id;
keybinding->data.us[1] = outp;
keybinding->data.us[2] = follow;
} else if(strcmp(action, "moveviewtoworkspace") == 0) {
keybinding->action = KEYBINDING_MOVE_VIEW_TO_WORKSPACE;
char *view_id_str = strtok_r(NULL, " ", &saveptr);
if(view_id_str == NULL) {
*errstr = log_error("Expected argument for \"moveviewtoworkspace\" "
"action, got none.");
return -1;
}
long view_id = strtol(view_id_str, NULL, 10);
if(view_id < 1) {
*errstr = log_error("View id number must be an integer larger or "
"equal to 1. Got %ld",
view_id);
return -1;
}
char *nws_str = strtok_r(NULL, " ", &saveptr);
if(nws_str == NULL) {
*errstr = log_error("Expected argument for \"moveviewtoworkspace\" "
"action, got none.");
return -1;
}
long ws = strtol(nws_str, NULL, 10);
if(ws < 1) {
*errstr = log_error("Workspace number must be an integer larger or "
"equal to 1. Got %ld",
ws);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = view_id;
keybinding->data.us[1] = ws - 1;
keybinding->data.us[2] = follow;
} else if(strcmp(action, "moveviewtotile") == 0) {
keybinding->action = KEYBINDING_MOVE_VIEW_TO_TILE;
char *view_id_str = strtok_r(NULL, " ", &saveptr);
if(view_id_str == NULL) {
*errstr = log_error(
"Expected argument for \"moveviewtotile\" action, got none.");
return -1;
}
long view_id = strtol(view_id_str, NULL, 10);
if(view_id < 1) {
*errstr = log_error("View id number must be an integer larger or "
"equal to 1. Got %ld",
view_id);
return -1;
}
char *tile_id_str = strtok_r(NULL, " ", &saveptr);
if(tile_id_str == NULL) {
*errstr = log_error("Expected argument for \"moveviewtoworkspace\" "
"action, got none.");
return -1;
}
long tile_id = strtol(tile_id_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("Tile id must be an integer larger or "
"equal to 1. Got %ld",
tile_id);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = view_id;
keybinding->data.us[1] = tile_id;
keybinding->data.us[2] = follow;
} else if(strcmp(action, "movetoscreen") == 0) {
keybinding->action = KEYBINDING_MOVE_TO_OUTPUT;
char *noutp_str = strtok_r(NULL, " ", &saveptr);
if(noutp_str == NULL) {
*errstr = log_error(
"Expected argument for \"movetoscreen\" action, got none.");
return -1;
}
long outp = strtol(noutp_str, NULL, 10);
if(outp < 1) {
*errstr = log_error("Output number must be an integer larger or "
"equal to 1. Got %ld",
outp);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = outp;
keybinding->data.us[1] = follow;
} else if(strcmp(action, "movetoworkspace") == 0) {
keybinding->action = KEYBINDING_MOVE_TO_WORKSPACE;
char *nws_str = strtok_r(NULL, " ", &saveptr);
if(nws_str == NULL) {
*errstr = log_error(
"Expected argument for \"movetoworkspace\" action, got none.");
return -1;
}
long ws = strtol(nws_str, NULL, 10);
if(ws < 1) {
*errstr = log_error("Workspace number must be an integer larger or "
"equal to 1. Got %ld",
ws);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = ws - 1;
keybinding->data.us[1] = follow;
} else if(strcmp(action, "movetotile") == 0) {
keybinding->action = KEYBINDING_MOVE_TO_TILE;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str == NULL) {
*errstr = log_error(
"Expected argument for \"movetotile\" action, got none.");
return -1;
}
long tile = strtol(tile_str, NULL, 10);
if(tile < 1) {
*errstr = log_error("Tile number must be an integer larger or "
"equal to 1. Got %ld",
tile);
return -1;
}
long follow = 1;
char *follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
follow = 1;
} else if(strcmp(follow_str, "false") == 0) {
follow = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
keybinding->data.us[0] = tile;
keybinding->data.us[1] = follow;
} else if(strcmp(action, "mergeleft") == 0) {
keybinding->action = KEYBINDING_MERGE_LEFT;
keybinding->data.u = 0;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.u = tile_id;
}
} else if(strcmp(action, "mergeright") == 0) {
keybinding->action = KEYBINDING_MERGE_RIGHT;
keybinding->data.u = 0;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.u = tile_id;
}
} else if(strcmp(action, "mergeup") == 0) {
keybinding->action = KEYBINDING_MERGE_TOP;
keybinding->data.u = 0;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.u = tile_id;
}
} else if(strcmp(action, "mergedown") == 0) {
keybinding->action = KEYBINDING_MERGE_BOTTOM;
keybinding->data.u = 0;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.u = tile_id;
}
} else if(strcmp(action, "exchangeleft") == 0) {
keybinding->action = KEYBINDING_SWAP_LEFT;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 1;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
if(strcmp(tile_str, "true") != 0 &&
strcmp(tile_str, "false") != 0) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.us[0] = tile_id;
tile_str = strtok_r(NULL, " ", &saveptr);
}
if(tile_str != NULL) {
if(strcmp(tile_str, "true") == 0) {
keybinding->data.us[1] = 1;
} else if(strcmp(tile_str, "false") == 0) {
keybinding->data.us[1] = 0;
} else {
*errstr = log_error("The value of \"follow\" must be "
"\"true\" or \"false\", got %s",
tile_str);
return -1;
}
}
}
} else if(strcmp(action, "exchangeright") == 0) {
keybinding->action = KEYBINDING_SWAP_RIGHT;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 1;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
if(strcmp(tile_str, "true") != 0 &&
strcmp(tile_str, "false") != 0) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.us[0] = tile_id;
tile_str = strtok_r(NULL, " ", &saveptr);
}
if(tile_str != NULL) {
if(strcmp(tile_str, "true") == 0) {
keybinding->data.us[1] = 1;
} else if(strcmp(tile_str, "false") == 0) {
keybinding->data.us[1] = 0;
} else {
*errstr = log_error("The value of \"follow\" must be "
"\"true\" or \"false\", got %s",
tile_str);
return -1;
}
}
}
} else if(strcmp(action, "exchangeup") == 0) {
keybinding->action = KEYBINDING_SWAP_TOP;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 1;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
if(strcmp(tile_str, "true") != 0 &&
strcmp(tile_str, "false") != 0) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.us[0] = tile_id;
tile_str = strtok_r(NULL, " ", &saveptr);
}
if(tile_str != NULL) {
if(strcmp(tile_str, "true") == 0) {
keybinding->data.us[1] = 1;
} else if(strcmp(tile_str, "false") == 0) {
keybinding->data.us[1] = 0;
} else {
*errstr = log_error("The value of \"follow\" must be "
"\"true\" or \"false\", got %s",
tile_str);
return -1;
}
}
}
} else if(strcmp(action, "exchangedown") == 0) {
keybinding->action = KEYBINDING_SWAP_BOTTOM;
keybinding->data.us[0] = 0;
keybinding->data.us[1] = 1;
char *tile_str = strtok_r(NULL, " ", &saveptr);
if(tile_str != NULL) {
if(strcmp(tile_str, "true") != 0 &&
strcmp(tile_str, "false") != 0) {
long tile_id = strtol(tile_str, NULL, 10);
if(tile_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile_id);
return -1;
}
keybinding->data.us[0] = tile_id;
tile_str = strtok_r(NULL, " ", &saveptr);
}
if(tile_str != NULL) {
if(strcmp(tile_str, "true") == 0) {
keybinding->data.us[1] = 1;
} else if(strcmp(tile_str, "false") == 0) {
keybinding->data.us[1] = 0;
} else {
*errstr = log_error("The value of \"follow\" must be "
"\"true\" or \"false\", got %s",
tile_str);
return -1;
}
}
}
} else if(strcmp(action, "exchange") == 0) {
keybinding->action = KEYBINDING_SWAP;
char *tile1_str = strtok_r(NULL, " ", &saveptr);
keybinding->data.us[2] = 1;
if(tile1_str == NULL) {
*errstr = log_error(
"\"exchange\" requires two arguments, but none were provided");
return -1;
}
long tile1_id = strtol(tile1_str, NULL, 10);
if(tile1_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile1_id);
return -1;
}
keybinding->data.us[0] = tile1_id;
char *tile2_str = strtok_r(NULL, " ", &saveptr);
if(tile2_str == NULL) {
*errstr = log_error("\"exchange\" requires two arguments, but only "
"one was provided");
return -1;
}
long tile2_id = strtol(tile2_str, NULL, 10);
if(tile2_id < 1) {
*errstr = log_error("The tile id must be an integer number "
"larger or equal to 1. Got %ld",
tile2_id);
return -1;
}
keybinding->data.us[1] = tile2_id;
char *follow_str = NULL;
follow_str = strtok_r(NULL, " ", &saveptr);
if(follow_str != NULL) {
if(strcmp(follow_str, "true") == 0) {
keybinding->data.us[2] = 1;
} else if(strcmp(follow_str, "false") == 0) {
keybinding->data.us[2] = 0;
} else {
*errstr = log_error("The value of \"follow\" must be \"true\" "
"or \"false\", got %s",
follow_str);
return -1;
}
}
} else if(strcmp(action, "focusleft") == 0) {
keybinding->action = KEYBINDING_FOCUS_LEFT;
} else if(strcmp(action, "focusright") == 0) {
keybinding->action = KEYBINDING_FOCUS_RIGHT;
} else if(strcmp(action, "focusup") == 0) {
keybinding->action = KEYBINDING_FOCUS_TOP;
} else if(strcmp(action, "focusdown") == 0) {
keybinding->action = KEYBINDING_FOCUS_BOTTOM;
} else if(strcmp(action, "movetonextscreen") == 0) {
keybinding->action = KEYBINDING_MOVE_VIEW_TO_CYCLE_OUTPUT;
keybinding->data.b = false;
} else if(strcmp(action, "movetoprevscreen") == 0) {
keybinding->action = KEYBINDING_MOVE_VIEW_TO_CYCLE_OUTPUT;
keybinding->data.b = true;
} else if(strcmp(action, "switchvt") == 0) {
keybinding->action = KEYBINDING_CHANGE_TTY;
char *ntty = strtok_r(NULL, " ", &saveptr);
if(ntty == NULL) {
*errstr = log_error(
"Expected argument for \"switchvt\" command, got none.");
return -1;
}
long tty = strtol(ntty, NULL, 10);
keybinding->data.u = tty;
} else if(strcmp(action, "mode") == 0) {
keybinding->action = KEYBINDING_SWITCH_MODE;
char *mode = strtok_r(NULL, " ", &saveptr);
if(mode == NULL) {
*errstr = log_error("Expected mode after \"mode\". Got nothing.");
return -1;
}
int mode_idx = get_mode_index_from_name(server->modes, mode);
if(mode_idx == -1) {
*errstr = log_error("Unknown mode \"%s\" for \"mode\"", mode);
return -1;
}
keybinding->data.u = (unsigned int)mode_idx;
} else if(strcmp(action, "setmode") == 0) {
keybinding->action = KEYBINDING_SWITCH_DEFAULT_MODE;
char *mode = strtok_r(NULL, " ", &saveptr);
if(mode == NULL) {
*errstr = log_error(
"Expected mode after \"switch_default_mode\". Got nothing.");
return -1;
}
int mode_idx = get_mode_index_from_name(server->modes, mode);
if(mode_idx == -1) {
*errstr =
log_error("Unknown mode \"%s\" for switch_default_mode", mode);
return -1;
}
keybinding->data.u = (unsigned int)mode_idx;
} else if(strcmp(action, "setmodecursor") == 0) {
keybinding->action = KEYBINDING_SETMODECURSOR;
char *mode = strtok_r(NULL, " ", &saveptr);
if(mode == NULL) {
*errstr = log_error("Expected mode name and cursor name after "
"\"setmodecursor\". Got nothing.");
return -1;
}
char *cursor = strtok_r(NULL, " ", &saveptr);
if(cursor == NULL) {
*errstr = log_error("Expected mode name and cursor name after "
"\"setmodecursor\". Got nothing.");
return -1;
}
keybinding->data.cs[0] = strdup(mode);
keybinding->data.cs[1] = strdup(cursor);
} else if(strcmp(action, "bind") == 0) {
keybinding->action = KEYBINDING_DEFINEKEY;
keybinding->data.kb =
parse_bind(server, &saveptr, errstr, nesting_level);
if(keybinding->data.kb == NULL) {
return -1;
}
} else if(strcmp(action, "definekey") == 0) {
keybinding->action = KEYBINDING_DEFINEKEY;
keybinding->data.kb =
parse_definekey(server, &saveptr, errstr, nesting_level);
if(keybinding->data.kb == NULL) {
return -1;
}
} else if(strcmp(action, "background") == 0) {
keybinding->action = KEYBINDING_BACKGROUND;
if(parse_background(keybinding->data.color, &saveptr, errstr) != 0) {
return -1;
}
} else if(strcmp(action, "escape") == 0) {
keybinding->action = KEYBINDING_DEFINEKEY;
keybinding->data.kb = parse_escape(&saveptr, errstr);
if(keybinding->data.kb == NULL) {
return -1;
}
} else if(strcmp(action, "cursor") == 0) {
keybinding->action = KEYBINDING_CURSOR;
keybinding->data.i = parse_cursor(&saveptr, errstr);
if(keybinding->data.i < 0) {
return -1;
}
} else if(strcmp(action, "definemode") == 0) {
keybinding->action = KEYBINDING_DEFINEMODE;
keybinding->data.c = parse_definemode(&saveptr, errstr);
if(keybinding->data.c == NULL) {
return -1;
}
} else if(strcmp(action, "workspaces") == 0) {
keybinding->action = KEYBINDING_WORKSPACES;
keybinding->data.i = parse_workspaces(&saveptr, errstr);
if(keybinding->data.i < 0) {
return -1;
}
} else if(strcmp(action, "output") == 0) {
keybinding->action = KEYBINDING_CONFIGURE_OUTPUT;
keybinding->data.o_cfg = parse_output_config(&saveptr, errstr);
if(keybinding->data.o_cfg == NULL) {
return -1;
}
} else if(strcmp(action, "input") == 0) {
keybinding->action = KEYBINDING_CONFIGURE_INPUT;
keybinding->data.i_cfg = parse_input_config(&saveptr, errstr);
if(keybinding->data.i_cfg == NULL) {
return -1;
}
} else if(strcmp(action, "configure_message") == 0) {
keybinding->action = KEYBINDING_CONFIGURE_MESSAGE;
keybinding->data.m_cfg = parse_message_config(&saveptr, errstr);
if(keybinding->data.m_cfg == NULL) {
return -1;
}
} else if(strcmp(action, "configure_status_bar") == 0) {
keybinding->action = KEYBINDING_CONFIGURE_STATUS_BAR;
keybinding->data.sb_cfg = parse_status_bar_config(&saveptr, errstr);
if(keybinding->data.sb_cfg == NULL) {
return -1;
}
} else if(strcmp(action, "configure_wallpaper") == 0) {
keybinding->action = KEYBINDING_CONFIGURE_WALLPAPER;
keybinding->data.wp_cfg = parse_wallpaper_config(&saveptr, errstr);
if(keybinding->data.wp_cfg == NULL) {
return -1;
}
} else {
*errstr = log_error("Error, unsupported action \"%s\".", action);
return -1;
}
return 0;
}
int
parse_rc_line(struct nedm_server *server, char *line, char **errstr) {
char *saveptr = strdup(line); // Used internally by strtok_r
struct keybinding *keybinding = malloc(sizeof(struct keybinding));
if(keybinding == NULL) {
*errstr = log_error(
"Failed to allocate memory for temporary keybinding struct.");
free(keybinding);
free(saveptr);
return -1;
}
if(parse_command(server, keybinding, saveptr, errstr, 1) != 0) {
wlr_log(WLR_ERROR, "Error parsing command.");
free(keybinding);
free(saveptr);
return -1;
}
run_action(keybinding->action, server, keybinding->data);
keybinding_free(keybinding, false);
free(saveptr);
return 0;
}
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