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123 lines
3.0 KiB
123 lines
3.0 KiB
#define _XOPEN_SOURCE 500
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#include <libgen.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 <errno.h>
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "log.h"
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#include "stringop.h"
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static const 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 *output_cmd_background(int argc, char **argv) {
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if (!config->handler_context.output_config) {
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return cmd_results_new(CMD_FAILURE, "output", "Missing output config");
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}
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if (!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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if (argc < 2) {
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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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struct output_config *output = config->handler_context.output_config;
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if (strcasecmp(argv[1], "solid_color") == 0) {
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output->background = calloc(1, strlen(argv[0]) + 3);
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snprintf(output->background, strlen(argv[0]) + 3, "\"%s\"", argv[0]);
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output->background_option = strdup("solid_color");
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argc -= 2; argv += 2;
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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; ++j) {
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mode = argv[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, j);
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if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
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struct cmd_results *cmd_res = cmd_results_new(CMD_INVALID, "output",
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"Invalid syntax (%s)", src);
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free(src);
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wordfree(&p);
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return cmd_res;
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}
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free(src);
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src = strdup(p.we_wordv[0]);
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wordfree(&p);
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if (!src) {
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wlr_log(L_ERROR, "Failed to duplicate string");
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return cmd_results_new(CMD_FAILURE, "output",
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"Unable to allocate resource");
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}
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if (config->reading && *src != '/') {
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// src file is inside configuration dir
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char *conf = strdup(config->current_config);
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if(!conf) {
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wlr_log(L_ERROR, "Failed to duplicate string");
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return cmd_results_new(CMD_FAILURE, "output",
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"Unable to allocate resources");
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}
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char *conf_path = dirname(conf);
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char *rel_path = src;
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src = malloc(strlen(conf_path) + strlen(src) + 2);
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if (!src) {
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free(rel_path);
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free(conf);
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wlr_log(L_ERROR, "Unable to allocate memory");
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return cmd_results_new(CMD_FAILURE, "output",
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"Unable to allocate resources");
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}
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sprintf(src, "%s/%s", conf_path, rel_path);
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free(rel_path);
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free(conf);
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}
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if (access(src, F_OK) == -1) {
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struct cmd_results *cmd_res = cmd_results_new(CMD_FAILURE, "output",
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"Unable to access background file '%s': %s", src, strerror(errno));
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free(src);
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return cmd_res;
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}
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output->background = src;
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output->background_option = strdup(mode);
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argc -= j + 1; argv += j + 1;
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}
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config->handler_context.leftovers.argc = argc;
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config->handler_context.leftovers.argv = argv;
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return NULL;
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}
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