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localectl: add support for listing X11 keymap information

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This commit is contained in:
Lennart Poettering 2013-04-05 00:23:23 +02:00
parent 39c155ea0d
commit 50cfc57928
2 changed files with 147 additions and 18 deletions
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17
man/localectl.xml
View File

@ -215,6 +215,23 @@
mapping.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>list-x11-keymap-models</command></term>
<term><command>list-x11-keymap-layouts</command></term>
<term><command>list-x11-keymap-variants [LAYOUT]</command></term>
<term><command>list-x11-keymap-options</command></term>
<listitem><para>List available X11
keymap models, layouts, variants and
options, useful for configuration with
<command>set-keymap</command>. The
command
<command>list-x11-keymap-variants</command>
optionally takes a layout parameter to
limit the output to the variants
suitable for the specific
layout.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>

148
src/locale/localectl.c
View File

@ -606,24 +606,132 @@ static int set_x11_keymap(DBusConnection *bus, char **args, unsigned n) {
DBUS_TYPE_INVALID);
}
static int list_x11_keymaps(DBusConnection *bus, char **args, unsigned n) {
_cleanup_fclose_ FILE *f = NULL;
char _cleanup_strv_free_ **list = NULL;
char line[LINE_MAX];
enum {
NONE,
MODELS,
LAYOUTS,
VARIANTS,
OPTIONS
} state = NONE, look_for;
int r;
if (n > 2) {
log_error("Too many arguments.");
return -EINVAL;
}
f = fopen("/usr/share/X11/xkb/rules/xorg.lst", "re");
if (!f) {
log_error("Failed to open keyboard mapping list. %m");
return -errno;
}
if (streq(args[0], "list-x11-keymap-models"))
look_for = MODELS;
else if (streq(args[0], "list-x11-keymap-layouts"))
look_for = LAYOUTS;
else if (streq(args[0], "list-x11-keymap-variants"))
look_for = VARIANTS;
else if (streq(args[0], "list-x11-keymap-options"))
look_for = OPTIONS;
else
assert_not_reached("Wrong parameter");
FOREACH_LINE(line, f, break) {
char *l, *w;
l = strstrip(line);
if (isempty(l))
continue;
if (l[0] == '!') {
if (startswith(l, "! model"))
state = MODELS;
else if (startswith(l, "! layout"))
state = LAYOUTS;
else if (startswith(l, "! variant"))
state = VARIANTS;
else if (startswith(l, "! option"))
state = OPTIONS;
else
state = NONE;
continue;
}
if (state != look_for)
continue;
w = l + strcspn(l, WHITESPACE);
if (n > 1) {
char *e;
if (*w == 0)
continue;
*w = 0;
w++;
w += strspn(w, WHITESPACE);
e = strchr(w, ':');
if (!e)
continue;
*e = 0;
if (!streq(w, args[1]))
continue;
} else
*w = 0;
r = strv_extend(&list, l);
if (r < 0)
return log_oom();
}
if (strv_isempty(list)) {
log_error("Couldn't find any entries.");
return -ENOENT;
}
strv_sort(list);
strv_uniq(list);
pager_open_if_enabled();
strv_print(list);
return 0;
}
static int help(void) {
printf("%s [OPTIONS...] COMMAND ...\n\n"
"Query or change system locale and keyboard settings.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --no-convert Don't convert keyboard mappings\n"
" --no-pager Do not pipe output into a pager\n"
" --no-ask-password Do not prompt for password\n"
" -H --host=[USER@]HOST Operate on remote host\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --no-convert Don't convert keyboard mappings\n"
" --no-pager Do not pipe output into a pager\n"
" --no-ask-password Do not prompt for password\n"
" -H --host=[USER@]HOST Operate on remote host\n\n"
"Commands:\n"
" status Show current locale settings\n"
" set-locale LOCALE... Set system locale\n"
" list-locales Show known locales\n"
" set-keymap MAP [MAP] Set virtual console keyboard mapping\n"
" list-keymaps Show known virtual console keyboard mappings\n"
" status Show current locale settings\n"
" set-locale LOCALE... Set system locale\n"
" list-locales Show known locales\n"
" set-keymap MAP [MAP] Set virtual console keyboard mapping\n"
" list-keymaps Show known virtual console keyboard mappings\n"
" set-x11-keymap LAYOUT [MODEL] [VARIANT] [OPTIONS]\n"
" Set X11 keyboard mapping\n",
" Set X11 keyboard mapping\n"
" list-x11-keymap-models Show known X11 keyboard mapping models\n"
" list-x11-keymap-layouts Show known X11 keyboard mapping layouts\n"
" list-x11-keymap-variants [LAYOUT]\n"
" Show known X11 keyboard mapping variants\n"
" list-x11-keymap-options Show known X11 keyboard mapping options\n",
program_invocation_short_name);
return 0;
@ -708,12 +816,16 @@ static int localectl_main(DBusConnection *bus, int argc, char *argv[], DBusError
const int argc;
int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
} verbs[] = {
{ "status", LESS, 1, show_status },
{ "set-locale", MORE, 2, set_locale },
{ "list-locales", EQUAL, 1, list_locales },
{ "set-keymap", MORE, 2, set_vconsole_keymap },
{ "list-keymaps", EQUAL, 1, list_vconsole_keymaps },
{ "set-x11-keymap", MORE, 2, set_x11_keymap },
{ "status", LESS, 1, show_status },
{ "set-locale", MORE, 2, set_locale },
{ "list-locales", EQUAL, 1, list_locales },
{ "set-keymap", MORE, 2, set_vconsole_keymap },
{ "list-keymaps", EQUAL, 1, list_vconsole_keymaps },
{ "set-x11-keymap", MORE, 2, set_x11_keymap },
{ "list-x11-keymap-models", EQUAL, 1, list_x11_keymaps },
{ "list-x11-keymap-layouts", EQUAL, 1, list_x11_keymaps },
{ "list-x11-keymap-variants", LESS, 2, list_x11_keymaps },
{ "list-x11-keymap-options", EQUAL, 1, list_x11_keymaps },
};
int left;