input: enable user xkb configs with cap_sys_nice

meson.build

@@ -68,7 +68,7 @@ wayland_server = dependency('wayland-server', version: '>=1.21.0')
 wayland_client = dependency('wayland-client')
 wayland_cursor = dependency('wayland-cursor')
 wayland_protos = dependency('wayland-protocols', version: '>=1.24')
-xkbcommon = dependency('xkbcommon')
+xkbcommon = dependency('xkbcommon', version: '>=1.5.0')
 cairo = dependency('cairo')
 pango = dependency('pango')
 pangocairo = dependency('pangocairo')

sway/config.c

@@ -37,7 +37,7 @@ struct sway_config *config = NULL;
 
 static struct xkb_state *keysym_translation_state_create(
 		struct xkb_rule_names rules) {
-	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_SECURE_GETENV);
 	struct xkb_keymap *xkb_keymap = xkb_keymap_new_from_names(
 		context,
 		&rules,

sway/input/keyboard.c

@@ -754,7 +754,7 @@ static void handle_xkb_context_log(struct xkb_context *context,
 
 struct xkb_keymap *sway_keyboard_compile_keymap(struct input_config *ic,
 		char **error) {
-	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_SECURE_GETENV);
 	if (!sway_assert(context, "cannot create XKB context")) {
 		return NULL;
 	}