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keyboard: fix bug with empty XKB_DEFAULT_LAYOUT

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With XKB_DEFAULT_LAYOUT= (set to empty rather than unset) the keyboard
just does not work.

Ref: https://github.com/labwc/labwc-tweaks/issues/89
This commit is contained in:
Johan Malm 2024-08-08 20:14:23 +01:00 • committed by Consolatis
parent f20b2c7632
commit 72df8fe73c
1 changed files with 10 additions and 2 deletions
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12
src/input/keyboard.c
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@ -698,7 +698,15 @@ set_layout(struct server *server, struct wlr_keyboard *kb)
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
if (keymap) {
/*
* With XKB_DEFAULT_LAYOUT set to empty odd things happen with
* xkb_map_new_from_names() resulting in the keyboard not working, so
* we protect against that.
*/
const char *layout = getenv("XKB_DEFAULT_LAYOUT");
bool layout_empty = layout && !*layout;
if (keymap && !layout_empty) {
if (!wlr_keyboard_keymaps_match(kb->keymap, keymap)) {
wlr_keyboard_set_keymap(kb, keymap);
reset_window_keyboard_layout_groups(server);
@ -706,7 +714,7 @@ set_layout(struct server *server, struct wlr_keyboard *kb)
xkb_keymap_unref(keymap);
} else {
wlr_log(WLR_ERROR, "failed to create xkb keymap for layout '%s'",
getenv("XKB_DEFAULT_LAYOUT"));
layout);
if (!fallback_mode) {
wlr_log(WLR_ERROR, "entering fallback mode with layout 'us'");
fallback_mode = true;