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#include <ctype.h>
#include <libgen.h>
#include <stdlib.h>
#include <string.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"
};
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;
}
const char *name = argv[0];
struct output_config *output = calloc(1, sizeof(struct output_config));
output->x = output->y = output->width = output->height = -1;
output->name = strdup(name);
output->enabled = -1;
output->scale = 1;
// TODO: atoi doesn't handle invalid numbers
int i;
for (i = 1; i < argc; ++i) {
const char *command = argv[i];
if (strcasecmp(command, "disable") == 0) {
output->enabled = 0;
} else if (strcasecmp(command, "resolution") == 0 || strcasecmp(command, "res") == 0) {
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing resolution argument.");
}
char *res = argv[i];
char *x = strchr(res, 'x');
int width = -1, height = -1;
if (x != NULL) {
// Format is 1234x4321
*x = '\0';
width = atoi(res);
height = atoi(x + 1);
*x = 'x';
} else {
// Format is 1234 4321
width = atoi(res);
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing resolution argument (height).");
}
res = argv[i];
height = atoi(res);
}
output->width = width;
output->height = height;
} else if (strcasecmp(command, "position") == 0 || strcasecmp(command, "pos") == 0) {
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing position argument.");
}
char *res = argv[i];
char *c = strchr(res, ',');
int x = -1, y = -1;
if (c != NULL) {
// Format is 1234,4321
*c = '\0';
x = atoi(res);
y = atoi(c + 1);
*c = ',';
} else {
// Format is 1234 4321
x = atoi(res);
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing position argument (y).");
}
res = argv[i];
y = atoi(res);
}
output->x = x;
output->y = y;
} else if (strcasecmp(command, "scale") == 0) {
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing scale parameter.");
}
output->scale = atoi(argv[i]);
} else if (strcasecmp(command, "background") == 0 || strcasecmp(command, "bg") == 0) {
wordexp_t p;
if (++i >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing background file or color specification.");
}
if (i + 1 >= argc) {
return cmd_results_new(CMD_INVALID, "output", "Missing background scaling mode or `solid_color`.");
}
if (strcasecmp(argv[argc - 1], "solid_color") == 0) {
output->background = strdup(argv[argc - 2]);
output->background_option = strdup("solid_color");
} else {
char *src = join_args(argv + i, argc - i - 1);
char *mode = argv[argc - 1];
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);
char *conf_path = dirname(conf);
src = malloc(strlen(conf_path) + strlen(src) + 2);
sprintf(src, "%s/%s", conf_path, p.we_wordv[0]);
free(conf);
}
if (access(src, F_OK) == -1) {
return cmd_results_new(CMD_INVALID, "output", "Background file unreadable (%s)", src);
}
for (char *m = mode; *m; ++m) *m = tolower(*m);
// Check mode
bool valid = false;
size_t j;
for (j = 0; j < sizeof(bg_options) / sizeof(char *); ++j) {
if (strcasecmp(mode, bg_options[j]) == 0) {
valid = true;
break;
}
}
if (!valid) {
return cmd_results_new(CMD_INVALID, "output", "Invalid background scaling mode.");
}
output->background = strdup(src);
output->background_option = strdup(mode);
if (src != p.we_wordv[0]) {
free(src);
}
wordfree(&p);
}
}
}
i = list_seq_find(config->output_configs, output_name_cmp, name);
if (i >= 0) {
// merge existing config
struct output_config *oc = config->output_configs->items[i];
merge_output_config(oc, output);
free_output_config(output);
output = oc;
} else {
list_add(config->output_configs, output);
}
sway_log(L_DEBUG, "Config stored for output %s (enabled:%d) (%d x %d @ %d, %d scale %d) (bg %s %s)",
output->name, output->enabled, output->width,
output->height, output->x, output->y, output->scale,
output->background, output->background_option);
if (output->name) {
// 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 wlc.
swayc_t *cont = NULL;
for (int i = 0; i < root_container.children->length; ++i) {
cont = root_container.children->items[i];
if (cont->name && ((strcmp(cont->name, output->name) == 0) || (strcmp(output->name, "*") == 0))) {
apply_output_config(output, cont);
if (strcmp(output->name, "*") != 0) {
// stop looking if the output config isn't applicable to all outputs
break;
}
}
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
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