From 0801fb7d86a4b89b60aff0b9ae182595d6f0884a Mon Sep 17 00:00:00 2001
From: Levi Neely <141506390+lneely@users.noreply.github.com>
Date: Thu, 14 May 2026 18:50:52 +0200
Subject: [PATCH] wl_backend: handle Ctrl+Alt+Fn for VT switching in standalone
 mode

Intercept XF86Switch_VT_N keysyms and call wlr_session_change_vt()
to switch virtual terminals when running on DRM/KMS.
---
 src/backend/wayland/wl_backend.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/backend/wayland/wl_backend.c b/src/backend/wayland/wl_backend.c
index 8647c22..8509029 100644
--- a/src/backend/wayland/wl_backend.c
+++ b/src/backend/wayland/wl_backend.c
@@ -1667,6 +1667,17 @@ handle_keyboard_key(struct wl_listener *listener, void *data)
     uint32_t keycode = event->keycode + 8; /* evdev → XKB keycode */
     uint32_t modifiers = wlr_keyboard_get_modifiers(kb);
 
+    /* VT switching: Ctrl+Alt+Fn */
+    if (wl_state.session && event->state == WL_KEYBOARD_KEY_STATE_PRESSED &&
+        (modifiers & (WLR_MODIFIER_CTRL | WLR_MODIFIER_ALT)) ==
+        (WLR_MODIFIER_CTRL | WLR_MODIFIER_ALT)) {
+        xkb_keysym_t sym = xkb_state_key_get_one_sym(kb->xkb_state, keycode);
+        if (sym >= XKB_KEY_XF86Switch_VT_1 && sym <= XKB_KEY_XF86Switch_VT_12) {
+            wlr_session_change_vt(wl_state.session, sym - XKB_KEY_XF86Switch_VT_1 + 1);
+            return;
+        }
+    }
+
     if (event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
         /* Try WM shortcut dispatch first */
         if (wWaylandKeyPress((unsigned int)keycode, (unsigned int)modifiers))