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