53 lines
1.4 KiB
Diff
53 lines
1.4 KiB
Diff
# Cage intentionally has no IPC API, so status-line clients cannot query its
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# active XKB group. When CAGE_XKB_STATE_FILE is set, keep that file synchronized
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# with the zero-based effective layout index.
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--- a/seat.c
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+++ b/seat.c
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@@ -12,6 +12,7 @@
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#include <assert.h>
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#include <linux/input-event-codes.h>
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+#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-server-core.h>
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@@ -245,8 +246,29 @@
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}
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static void
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+write_xkb_layout_state(struct wlr_keyboard *keyboard)
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+{
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+ const char *path = getenv("CAGE_XKB_STATE_FILE");
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+ if (path == NULL || path[0] == '\0' || keyboard->xkb_state == NULL) {
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+ return;
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+ }
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+
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+ FILE *state_file = fopen(path, "w");
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+ if (state_file == NULL) {
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+ return;
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+ }
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+
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+ xkb_layout_index_t layout =
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+ xkb_state_serialize_layout(keyboard->xkb_state, XKB_STATE_LAYOUT_EFFECTIVE);
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+ fprintf(state_file, "%u\n", (unsigned int)layout);
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+ fclose(state_file);
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+}
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+
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+static void
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handle_modifier_event(struct wlr_keyboard *keyboard, struct cg_seat *seat)
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{
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+ write_xkb_layout_state(keyboard);
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+
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wlr_seat_set_keyboard(seat->seat, keyboard);
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wlr_seat_keyboard_notify_modifiers(seat->seat, &keyboard->modifiers);
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@@ -371,6 +393,8 @@
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wl_signal_add(&cg_group->wlr_group->keyboard.events.modifiers, &cg_group->modifiers);
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cg_group->modifiers.notify = handle_keyboard_group_modifiers;
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+ write_xkb_layout_state(&cg_group->wlr_group->keyboard);
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+
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return;
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cleanup:
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