ladybird/Userland/Utilities/keymap.cpp
Timothy Flynn 4a916cd379 Everywhere: Remove needless copies of Error / ErrorOr instances
Either take the underlying objects with release_* methods or move() the
instances around.
2023-02-10 09:08:52 +00:00

100 lines
3.3 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DeprecatedString.h>
#include <AK/Vector.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/ConfigFile.h>
#include <LibCore/System.h>
#include <LibKeyboard/CharacterMap.h>
#include <LibMain/Main.h>
#include <stdio.h>
int set_keymap(DeprecatedString const& keymap);
int set_keymap(DeprecatedString const& keymap)
{
auto character_map = Keyboard::CharacterMap::load_from_file(keymap);
if (character_map.is_error()) {
warnln("Cannot read keymap {}", keymap);
warnln("Hint: Must be a keymap name (e.g. 'en-us')");
return 1;
}
int rc = character_map.value().set_system_map();
if (rc != 0) {
perror("setkeymap");
}
return rc;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio setkeymap getkeymap rpath wpath cpath"));
TRY(Core::System::unveil("/res/keymaps", "r"));
TRY(Core::System::unveil("/etc/Keyboard.ini", "rwc"));
DeprecatedString mapping;
DeprecatedString mappings;
Core::ArgsParser args_parser;
args_parser.add_option(mapping, "The mapping to be used", "set-keymap", 'm', "keymap");
args_parser.add_option(mappings, "Comma separated list of enabled mappings", "set-keymaps", 's', "keymaps");
args_parser.parse(arguments);
TRY(Core::System::unveil(nullptr, nullptr));
if (mapping.is_empty() && mappings.is_empty()) {
auto keymap = TRY(Keyboard::CharacterMap::fetch_system_map());
outln("{}", keymap.character_map_name());
return 0;
}
auto mapper_config = TRY(Core::ConfigFile::open("/etc/Keyboard.ini", Core::ConfigFile::AllowWriting::Yes));
if (!mappings.is_empty()) {
auto mappings_vector = mappings.split(',');
if (mappings_vector.is_empty()) {
warnln("Keymaps list should not be empty");
return 1;
}
// Verify that all specified keymaps are loadable
for (auto& keymap_name : mappings_vector) {
if (auto keymap = Keyboard::CharacterMap::load_from_file(keymap_name); keymap.is_error()) {
warnln("Cannot load keymap {}: {}({})", keymap_name, keymap.error().string_literal(), keymap.error().code());
return keymap.release_error();
}
}
auto keymaps = DeprecatedString::join(',', mappings_vector);
mapper_config->write_entry("Mapping", "Keymaps", keymaps);
TRY(mapper_config->sync());
}
auto keymaps = mapper_config->read_entry("Mapping", "Keymaps");
auto keymaps_vector = keymaps.split(',');
if (!mapping.is_empty()) {
if (keymaps_vector.is_empty()) {
warnln("No keymaps configured - writing default configurations (en-us)");
mapper_config->write_entry("Mapping", "Keymaps", "en-us");
TRY(mapper_config->sync());
keymaps_vector.append("en-us");
}
if (!keymaps_vector.find(mapping).is_end()) {
int rc = set_keymap(mapping);
if (rc == 0)
return rc;
} else {
warnln("Keymap '{}' is not in list of configured keymaps ({})", mapping, keymaps);
}
}
return set_keymap(keymaps_vector.first());
}