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278 lines
7.8 KiB
278 lines
7.8 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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struct cmd_results *cmd_output(int argc, char **argv) {
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struct cmd_results *error = NULL;
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if ((error = checkarg(argc, "output", EXPECTED_AT_LEAST, 1))) {
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return error;
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}
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const char *name = argv[0];
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struct output_config *output = new_output_config();
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if (!output) {
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sway_log(L_ERROR, "Failed to allocate output config");
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return NULL;
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}
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output->name = strdup(name);
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// TODO: atoi doesn't handle invalid numbers
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int i;
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for (i = 1; i < argc; ++i) {
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const char *command = argv[i];
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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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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output",
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"Missing mode argument.");
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goto fail;
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}
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int width = -1, height = -1;
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float refresh_rate = -1;
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char *end;
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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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error = cmd_results_new(CMD_INVALID, "output",
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"Invalid mode width.");
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goto fail;
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}
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++end;
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height = strtol(end, &end, 10);
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if (*end) {
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if (*end != '@') {
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error = cmd_results_new(CMD_INVALID, "output",
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"Invalid mode height.");
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goto fail;
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}
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++end;
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refresh_rate = strtof(end, &end);
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if (strcasecmp("Hz", end) != 0) {
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error = cmd_results_new(CMD_INVALID, "output",
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"Invalid mode refresh rate.");
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goto fail;
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}
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}
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} else {
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// Format is 1234 4321 (legacy)
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++i;
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if (i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output",
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"Missing mode argument (height).");
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goto fail;
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}
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height = strtol(argv[i], &end, 10);
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if (*end) {
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error = cmd_results_new(CMD_INVALID, "output",
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"Invalid mode height.");
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goto fail;
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}
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}
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output->width = width;
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output->height = height;
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output->refresh_rate = refresh_rate;
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} else if (strcasecmp(command, "position") == 0 || strcasecmp(command, "pos") == 0) {
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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing position argument.");
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goto fail;
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}
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char *pos = argv[i];
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char *c = strchr(pos, ',');
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int x = -1, y = -1;
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if (c != NULL) {
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// Format is 1234,4321
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*c = '\0';
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x = atoi(pos);
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y = atoi(c + 1);
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*c = ',';
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} else {
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// Format is 1234 4321
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x = atoi(pos);
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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing position argument (y).");
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goto fail;
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}
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pos = argv[i];
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y = atoi(pos);
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}
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output->x = x;
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output->y = y;
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} else if (strcasecmp(command, "scale") == 0) {
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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing scale parameter.");
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goto fail;
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}
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output->scale = atoi(argv[i]);
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} else if (strcasecmp(command, "transform") == 0) {
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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing transform parameter.");
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goto fail;
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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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error = cmd_results_new(CMD_INVALID, "output", "Invalid output transform.");
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goto fail;
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}
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} else if (strcasecmp(command, "background") == 0 || strcasecmp(command, "bg") == 0) {
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wordexp_t p;
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if (++i >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing background file or color specification.");
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goto fail;
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}
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if (i + 1 >= argc) {
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error = cmd_results_new(CMD_INVALID, "output", "Missing background scaling mode or `solid_color`.");
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goto fail;
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}
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if (strcasecmp(argv[i + 1], "solid_color") == 0) {
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output->background = strdup(argv[argc - 2]);
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output->background_option = strdup("solid_color");
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} else {
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// argv[i+j]=bg_option
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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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for (size_t k = 0; k < sizeof(bg_options) / sizeof(char *); ++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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error = cmd_results_new(CMD_INVALID, "output", "Missing background scaling mode.");
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goto fail;
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}
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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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error = cmd_results_new(CMD_INVALID, "output", "Invalid syntax (%s).", src);
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goto fail;
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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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sway_log(L_ERROR, "Unable to allocate background source");
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}
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free(conf);
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} else {
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sway_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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error = cmd_results_new(CMD_INVALID, "output", "Background file unreadable (%s).", src);
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wordfree(&p);
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goto fail;
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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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} else {
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error = cmd_results_new(CMD_INVALID, "output", "Invalid output subcommand: %s.", command);
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goto fail;
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}
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}
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i = list_seq_find(config->output_configs, output_name_cmp, name);
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if (i >= 0) {
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// merge existing config
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struct output_config *oc = config->output_configs->items[i];
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merge_output_config(oc, output);
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free_output_config(output);
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output = oc;
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} else {
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list_add(config->output_configs, output);
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}
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sway_log(L_DEBUG, "Config stored for output %s (enabled: %d) (%dx%d@%fHz "
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"position %d,%d scale %d transform %d) (bg %s %s)",
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output->name, output->enabled, output->width,
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output->height, output->refresh_rate, output->x, output->y,
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output->scale, output->transform,
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output->background, output->background_option);
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if (output->name) {
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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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swayc_t *cont = NULL;
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for (int i = 0; i < root_container.children->length; ++i) {
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cont = root_container.children->items[i];
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if (cont->name && ((strcmp(cont->name, output->name) == 0) || (strcmp(output->name, "*") == 0))) {
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apply_output_config(output, cont);
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if (strcmp(output->name, "*") != 0) {
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// stop looking if the output config isn't applicable to all outputs
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break;
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}
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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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