mirror of
https://github.com/labwc/labwc.git
synced 2025-11-03 09:01:51 -05:00
135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
/*
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* Find the configuration and theme directories
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*
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* Copyright Johan Malm 2020
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <stdbool.h>
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#include <glib.h>
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#include "common/dir.h"
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#include "common/log.h"
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struct dir {
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const char *prefix;
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const char *path;
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};
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/* clang-format off */
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static struct dir config_dirs[] = {
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{ "XDG_CONFIG_HOME", "labwc" },
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{ "HOME", ".config/labwc" },
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{ "XDG_CONFIG_DIRS", "labwc" },
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{ NULL, "/etc/xdg/labwc" },
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{ "XDG_CONFIG_HOME", "openbox" },
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{ "HOME", ".config/openbox" },
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{ "XDG_CONFIG_DIRS", "openbox" },
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{ NULL, "/etc/xdg/openbox" },
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{ NULL, NULL }
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};
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static struct dir theme_dirs[] = {
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{ "XDG_DATA_HOME", "themes" },
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{ "HOME", ".local/share/themes" },
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{ "HOME", ".themes" },
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{ "XDG_DATA_DIRS", "themes" },
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{ NULL, "/usr/share/themes" },
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{ NULL, "/usr/local/share/themes" },
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{ NULL, "opt/share/themes" },
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{ NULL, NULL }
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};
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/* clang-format on */
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static bool isdir(const char *path)
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{
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struct stat st;
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return (!stat(path, &st) && S_ISDIR(st.st_mode));
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}
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struct ctx {
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void (*build_path_fn)(struct ctx *ctx, char *prefix, const char *path);
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char *buf;
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size_t len;
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struct dir *dirs;
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const char *theme_name;
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};
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static void build_config_path(struct ctx *ctx, char *prefix, const char *path)
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{
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if (!prefix)
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snprintf(ctx->buf, ctx->len, "%s", path);
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else
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snprintf(ctx->buf, ctx->len, "%s/%s", prefix, path);
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}
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static void build_theme_path(struct ctx *ctx, char *prefix, const char *path)
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{
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if (!prefix)
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snprintf(ctx->buf, ctx->len, "%s/%s/openbox-3", path,
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ctx->theme_name);
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else
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snprintf(ctx->buf, ctx->len, "%s/%s/%s/openbox-3", prefix, path,
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ctx->theme_name);
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}
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char *find_dir(struct ctx *ctx)
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{
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char *debug = getenv("LABWC_DEBUG_DIR_CONFIG_AND_THEME");
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for (int i = 0; ctx->dirs[i].path; i++) {
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struct dir d = ctx->dirs[i];
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if (!d.prefix) {
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/* handle /etc/xdg... */
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ctx->build_path_fn(ctx, NULL, d.path);
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if (debug)
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info("%s", ctx->buf);
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if (isdir(ctx->buf))
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return ctx->buf;
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} else {
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/* handle $HOME/.config/... and $XDG_* */
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char *prefix = getenv(d.prefix);
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if (!prefix)
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continue;
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gchar **prefixes = g_strsplit(prefix, ":", -1);
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for (gchar **p = prefixes; *p; p++) {
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ctx->build_path_fn(ctx, *p, d.path);
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if (debug)
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info("%s", ctx->buf);
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if (isdir(ctx->buf))
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return ctx->buf;
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}
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}
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}
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/* no directory was found */
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ctx->buf[0] = '.';
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ctx->buf[1] = '\0';
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return ctx->buf;
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}
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char *config_dir(void)
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{
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static char buf[4096] = { 0 };
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if (buf[0] != '\0')
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return buf;
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struct ctx ctx = { .build_path_fn = build_config_path,
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.buf = buf,
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.len = sizeof(buf),
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.dirs = config_dirs };
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return find_dir(&ctx);
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}
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char *theme_dir(const char *theme_name)
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{
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static char buf[4096] = { 0 };
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if (buf[0] != '\0')
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return buf;
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struct ctx ctx = { .build_path_fn = build_theme_path,
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.buf = buf,
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.len = sizeof(buf),
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.dirs = theme_dirs,
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.theme_name = theme_name };
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return find_dir(&ctx);
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}
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