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#define _XOPEN_SOURCE 500
#include <ctype.h>
#include <libgen.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <wordexp.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "list.h"
#include "log.h"
#include "stringop.h"
static char *bg_options[] = {
"stretch",
"center",
"fill",
"fit",
"tile",
};
static struct cmd_results *cmd_output_mode(struct output_config *output,
int *i, int argc, char **argv) {
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing mode argument.");
}
char *end;
output->width = strtol(argv[*i], &end, 10);
if (*end) {
// Format is 1234x4321
if (*end != 'x') {
return cmd_results_new(CMD_INVALID, "output",
"Invalid mode width.");
}
++end;
output->height = strtol(end, &end, 10);
if (*end) {
if (*end != '@') {
return cmd_results_new(CMD_INVALID, "output",
"Invalid mode height.");
}
++end;
output->refresh_rate = strtof(end, &end);
if (strcasecmp("Hz", end) != 0) {
return cmd_results_new(CMD_INVALID, "output",
"Invalid mode refresh rate.");
}
}
} else {
// Format is 1234 4321
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing mode argument (height).");
}
output->height = strtol(argv[*i], &end, 10);
if (*end) {
return cmd_results_new(CMD_INVALID, "output",
"Invalid mode height.");
}
}
return NULL;
}
static struct cmd_results *cmd_output_position(struct output_config *output,
int *i, int argc, char **argv) {
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing position argument.");
}
char *end;
output->x = strtol(argv[*i], &end, 10);
if (*end) {
// Format is 1234,4321
if (*end != ',') {
return cmd_results_new(CMD_INVALID, "output",
"Invalid position x.");
}
++end;
output->y = strtol(end, &end, 10);
if (*end) {
return cmd_results_new(CMD_INVALID, "output",
"Invalid position y.");
}
} else {
// Format is 1234 4321 (legacy)
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing position argument (y).");
}
output->y = strtol(argv[*i], &end, 10);
if (*end) {
return cmd_results_new(CMD_INVALID, "output",
"Invalid position y.");
}
}
return NULL;
}
static struct cmd_results *cmd_output_scale(struct output_config *output,
int *i, int argc, char **argv) {
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing scale argument.");
}
char *end;
output->scale = strtof(argv[*i], &end);
if (*end) {
return cmd_results_new(CMD_INVALID, "output", "Invalid scale.");
}
return NULL;
}
static struct cmd_results *cmd_output_transform(struct output_config *output,
int *i, int argc, char **argv) {
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing transform argument.");
}
char *value = argv[*i];
if (strcmp(value, "normal") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
} else if (strcmp(value, "90") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_90;
} else if (strcmp(value, "180") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_180;
} else if (strcmp(value, "270") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_270;
} else if (strcmp(value, "flipped") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_FLIPPED;
} else if (strcmp(value, "flipped-90") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
} else if (strcmp(value, "flipped-180") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
} else if (strcmp(value, "flipped-270") == 0) {
output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
} else {
return cmd_results_new(CMD_INVALID, "output",
"Invalid output transform.");
}
return NULL;
}
static struct cmd_results *cmd_output_background(struct output_config *output,
int *i, int argc, char **argv) {
if (++*i >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing background file or color specification.");
}
const char *background = argv[*i];
if (*i + 1 >= argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing background scaling mode or `solid_color`.");
}
const char *background_option = argv[*i];
if (strcasecmp(background_option, "solid_color") == 0) {
output->background = strdup(background);
output->background_option = strdup("solid_color");
} else {
bool valid = false;
char *mode;
size_t j;
for (j = 0; j < (size_t)(argc - *i); ++j) {
mode = argv[*i + j];
size_t n = sizeof(bg_options) / sizeof(char *);
for (size_t k = 0; k < n; ++k) {
if (strcasecmp(mode, bg_options[k]) == 0) {
valid = true;
break;
}
}
if (valid) {
break;
}
}
if (!valid) {
return cmd_results_new(CMD_INVALID, "output",
"Missing background scaling mode.");
}
wordexp_t p;
char *src = join_args(argv + *i, j);
if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
return cmd_results_new(CMD_INVALID, "output",
"Invalid syntax (%s).", src);
}
free(src);
src = p.we_wordv[0];
if (config->reading && *src != '/') {
char *conf = strdup(config->current_config);
if (conf) {
char *conf_path = dirname(conf);
src = malloc(strlen(conf_path) + strlen(src) + 2);
if (src) {
sprintf(src, "%s/%s", conf_path, p.we_wordv[0]);
} else {
wlr_log(L_ERROR,
"Unable to allocate background source");
}
free(conf);
} else {
wlr_log(L_ERROR, "Unable to allocate background source");
}
}
if (!src || access(src, F_OK) == -1) {
wordfree(&p);
return cmd_results_new(CMD_INVALID, "output",
"Background file unreadable (%s).", src);
}
output->background = strdup(src);
output->background_option = strdup(mode);
if (src != p.we_wordv[0]) {
free(src);
}
wordfree(&p);
*i += j;
}
return NULL;
}
struct cmd_results *cmd_output(int argc, char **argv) {
struct cmd_results *error = checkarg(argc, "output", EXPECTED_AT_LEAST, 1);
if (error != NULL) {
return error;
}
struct output_config *output = new_output_config(argv[0]);
if (!output) {
wlr_log(L_ERROR, "Failed to allocate output config");
return NULL;
}
for (int i = 1; i < argc; ++i) {
const char *command = argv[i];
if (strcasecmp(command, "enable") == 0) {
output->enabled = 1;
} else if (strcasecmp(command, "disable") == 0) {
output->enabled = 0;
} else if (strcasecmp(command, "mode") == 0 ||
strcasecmp(command, "resolution") == 0 ||
strcasecmp(command, "res") == 0) {
error = cmd_output_mode(output, &i, argc, argv);
} else if (strcasecmp(command, "position") == 0 ||
strcasecmp(command, "pos") == 0) {
error = cmd_output_position(output, &i, argc, argv);
} else if (strcasecmp(command, "scale") == 0) {
error = cmd_output_scale(output, &i, argc, argv);
} else if (strcasecmp(command, "transform") == 0) {
error = cmd_output_transform(output, &i, argc, argv);
} else if (strcasecmp(command, "background") == 0 ||
strcasecmp(command, "bg") == 0) {
error = cmd_output_background(output, &i, argc, argv);
} else {
error = cmd_results_new(CMD_INVALID, "output",
"Invalid output subcommand: %s.", command);
}
if (error != NULL) {
goto fail;
}
}
int i = list_seq_find(config->output_configs, output_name_cmp, output->name);
if (i >= 0) {
// Merge existing config
struct output_config *current = config->output_configs->items[i];
merge_output_config(current, output);
free_output_config(output);
output = current;
} else {
list_add(config->output_configs, output);
}
wlr_log(L_DEBUG, "Config stored for output %s (enabled: %d) (%dx%d@%fHz "
"position %d,%d scale %f transform %d) (bg %s %s)",
output->name, output->enabled, output->width, output->height,
output->refresh_rate, output->x, output->y, output->scale,
output->transform, output->background, output->background_option);
// Try to find the output container and apply configuration now. If
// this is during startup then there will be no container and config
// will be applied during normal "new output" event from wlroots.
char identifier[128];
bool all = strcmp(output->name, "*") == 0;
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *cont = root_container.children->items[i];
if (cont->type != C_OUTPUT) {
continue;
}
output_get_identifier(identifier, sizeof(identifier), cont->sway_output);
if (all || strcmp(cont->name, output->name) == 0 ||
strcmp(identifier, output->name) == 0) {
apply_output_config(output, cont);
if (!all) {
// Stop looking if the output config isn't applicable to all
// outputs
break;
}
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
fail:
free_output_config(output);
return error;
}
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