/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2023 calcurse Development Team <misc@calcurse.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : misc@calcurse.org
* Calcurse home page : http://calcurse.org
*
*/
#include "calcurse.h"
static int find_basedir(const char *locale_info[], unsigned n, char **basedir)
{
int i;
char *locale = NULL;
int ret = 0;
for (i = 0; i < n; i++) {
if (!locale_info[i])
continue;
locale = mem_strdup(locale_info[i]);
asprintf(basedir, "%s/%s", DOCDIR, locale);
if (io_dir_exists(*basedir)) {
ret = 1;
goto cleanup;
}
strtok(locale, ".@");
mem_free(*basedir);
asprintf(basedir, "%s/%s", DOCDIR, locale);
if (io_dir_exists(*basedir)) {
ret = 1;
goto cleanup;
}
strtok(locale, "_");
mem_free(*basedir);
asprintf(basedir, "%s/%s", DOCDIR, locale);
if (io_dir_exists(*basedir)) {
ret = 1;
goto cleanup;
}
mem_free(*basedir);
*basedir = NULL;
mem_free(locale);
locale = NULL;
}
cleanup:
if (locale)
mem_free(locale);
return ret;
}
int display_help(const char *topic)
{
const char *locale_info[] = {
getenv("LANGUAGE"),
getenv("LC_ALL"),
getenv("LC_MESSAGE"),
getenv("LANG")
};
char *basedir;
char *path;
int ret = 0;
if (!topic)
topic = "intro";
if (!find_basedir(locale_info, ARRAY_SIZE(locale_info), &basedir))
asprintf(&basedir, "%s", DOCDIR);
asprintf(&path, "%s/%s.txt", basedir, topic);
if (!io_file_exists(path)) {
int ch = keys_str2int(topic);
enum vkey action = keys_get_action(ch);
if (ch > 0 && action > 0 && action != KEY_UNDEF) {
topic = keys_get_label(action);
mem_free(path);
asprintf(&path, "%s/%s.txt", basedir, topic);
}
}
if (!io_file_exists(path)) {
if (!strcmp(topic, "generic-cancel"))
topic = "general";
else if (!strcmp(topic, "generic-select"))
topic = "general";
else if (!strcmp(topic, "generic-credits"))
topic = "intro";
else if (!strcmp(topic, "generic-help"))
topic = "intro";
else if (!strcmp(topic, "generic-quit"))
topic = "general";
else if (!strcmp(topic, "generic-save"))
topic = "save";
else if (!strcmp(topic, "generic-reload"))
topic = "reload";
else if (!strcmp(topic, "generic-copy"))
topic = "copy-paste";
else if (!strcmp(topic, "generic-paste"))
topic = "copy-paste";
else if (!strcmp(topic, "generic-change-view"))
topic = "tab";
else if (!strcmp(topic, "generic-prev-view"))
topic = "tab";
else if (!strcmp(topic, "generic-import"))
topic = "import";
else if (!strcmp(topic, "generic-export"))
topic = "export";
else if (!strcmp(topic, "generic-goto"))
topic = "goto";
else if (!strcmp(topic, "generic-other-cmd"))
topic = "other";
else if (!strcmp(topic, "generic-config-menu"))
topic = "config";
else if (!strcmp(topic, "generic-redraw"))
topic = "general";
else if (!strcmp(topic, "generic-add-appt"))
topic = "general";
else if (!strcmp(topic, "generic-add-todo"))
topic = "general";
else if (!strcmp(topic, "generic-prev-day"))
topic = "general";
else if (!strcmp(topic, "generic-next-day"))
topic = "general";
else if (!strcmp(topic, "generic-prev-week"))
topic = "general";
else if (!strcmp(topic, "generic-next-week"))
topic = "general";
else if (!strcmp(topic, "generic-prev-month"))
topic = "general";
else if (!strcmp(topic, "generic-next-month"))
topic = "general";
else if (!strcmp(topic, "generic-prev-year"))
topic = "general";
else if (!strcmp(topic, "generic-next-year"))
topic = "general";
else if (!strcmp(topic, "generic-scroll-down"))
topic = "general";
else if (!strcmp(topic, "generic-scroll-up"))
topic = "general";
else if (!strcmp(topic, "generic-goto-today"))
topic = "general";
else if (!strcmp(topic, "generic-command"))
topic = "general";
else if (!strcmp(topic, "move-right"))
topic = "displacement";
else if (!strcmp(topic, "move-left"))
topic = "displacement";
else if (!strcmp(topic, "move-down"))
topic = "displacement";
else if (!strcmp(topic, "move-up"))
topic = "displacement";
else if (!strcmp(topic, "start-of-week"))
topic = "displacement";
else if (!strcmp(topic, "end-of-week"))
topic = "displacement";
else if (!strcmp(topic, "add-item"))
topic = "add";
else if (!strcmp(topic, "del-item"))
topic = "delete";
else if (!strcmp(topic, "edit-item"))
topic = "edit";
else if (!strcmp(topic, "view-item"))
topic = "view";
else if (!strcmp(topic, "pipe-item"))
topic = "pipe";
else if (!strcmp(topic, "flag-item"))
topic = "flag";
else if (!strcmp(topic, "repeat"))
topic = "repeat";
else if (!strcmp(topic, "edit-note"))
topic = "enote";
else if (!strcmp(topic, "view-note"))
topic = "vnote";
else if (!strcmp(topic, "raise-priority"))
topic = "priority";
else if (!strcmp(topic, "lower-priority"))
topic = "priority";
mem_free(path);
asprintf(&path, "%s/%s.txt", basedir, topic);
}
if (io_file_exists(path)) {
const char *arg[] = { conf.pager, path, NULL };
wins_launch_external(arg);
ret = 1;
}
mem_free(basedir);
mem_free(path);
return ret;
}
