From ae4478e17f56c1fb52a77d1f034387f154eddef5 Mon Sep 17 00:00:00 2001
From: Scott Anderson <ascent12@hotmail.com>
Date: Tue, 11 Jul 2017 18:51:19 +1200
Subject: Changed ownership of wlr_session to the multi backend. Currently
 breaks VT switching for examples.

---
 backend/multi/backend.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'backend/multi')

diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index d33d137c..2e8f117c 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -1,6 +1,8 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <wlr/backend/interface.h>
+#include <wlr/backend/udev.h>
+#include <wlr/session.h>
 #include <wlr/util/log.h>
 #include "backend/multi.h"
 
@@ -31,6 +33,8 @@ static void multi_backend_destroy(struct wlr_backend_state *state) {
 		free(sub);
 	}
 	list_free(state->backends);
+	wlr_session_finish(state->session);
+	wlr_udev_destroy(state->udev);
 	free(state);
 }
 
@@ -39,21 +43,26 @@ struct wlr_backend_impl backend_impl = {
 	.destroy = multi_backend_destroy
 };
 
-struct wlr_backend *wlr_multi_backend_create() {
+struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
+		struct wlr_udev *udev) {
 	struct wlr_backend_state *state =
 		calloc(1, sizeof(struct wlr_backend_state));
 	if (!state) {
 		wlr_log(L_ERROR, "Backend allocation failed");
 		return NULL;
 	}
+
 	state->backends = list_create();
 	if (!state->backends) {
 		free(state);
 		wlr_log(L_ERROR, "Backend allocation failed");
 		return NULL;
 	}
+
 	struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
 	state->backend = backend;
+	state->session = session;
+	state->udev = udev;
 	return backend;
 }
 
-- 
cgit v1.2.3


From cb4d50e22c217027d641fc36cd022d12bba8d1ad Mon Sep 17 00:00:00 2001
From: Scott Anderson <ascent12@hotmail.com>
Date: Tue, 11 Jul 2017 19:18:34 +1200
Subject: Changed header paths.

---
 backend/backend.c                       | 2 +-
 backend/drm/backend.c                   | 2 +-
 backend/libinput/backend.c              | 2 +-
 backend/libinput/events.c               | 2 +-
 backend/libinput/keyboard.c             | 2 +-
 backend/libinput/pointer.c              | 2 +-
 backend/libinput/tablet_pad.c           | 2 +-
 backend/libinput/tablet_tool.c          | 2 +-
 backend/libinput/touch.c                | 2 +-
 backend/multi/backend.c                 | 2 +-
 backend/session/direct-ipc.c            | 2 +-
 backend/session/direct.c                | 4 ++--
 backend/session/logind.c                | 2 +-
 backend/session/session.c               | 4 ++--
 backend/udev.c                          | 2 +-
 examples/compositor/main.c              | 2 +-
 examples/pointer.c                      | 2 +-
 examples/rotation.c                     | 2 +-
 examples/shared.c                       | 2 +-
 examples/shared.h                       | 2 +-
 examples/simple.c                       | 2 +-
 examples/tablet.c                       | 2 +-
 examples/touch.c                        | 2 +-
 include/backend/drm.h                   | 2 +-
 include/backend/multi.h                 | 2 +-
 include/backend/udev.h                  | 2 +-
 include/wlr/backend.h                   | 2 +-
 include/wlr/backend/drm.h               | 2 +-
 include/wlr/backend/libinput.h          | 2 +-
 include/wlr/backend/multi.h             | 2 +-
 include/wlr/backend/session/interface.h | 2 +-
 31 files changed, 33 insertions(+), 33 deletions(-)

(limited to 'backend/multi')

diff --git a/backend/backend.c b/backend/backend.c
index 93f764f6..b47b7f13 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <errno.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend/interface.h>
 #include <wlr/backend/drm.h>
 #include <wlr/backend/libinput.h>
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index d52adba9..a2c71317 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -7,7 +7,7 @@
 #include <wayland-server.h>
 #include <xf86drm.h>
 #include <sys/stat.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend/interface.h>
 #include <wlr/interfaces/wlr_output.h>
 #include <wlr/util/list.h>
diff --git a/backend/libinput/backend.c b/backend/libinput/backend.c
index a3523dc0..68f1752b 100644
--- a/backend/libinput/backend.c
+++ b/backend/libinput/backend.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend/interface.h>
 #include <wlr/util/log.h>
 #include "backend/udev.h"
diff --git a/backend/libinput/events.c b/backend/libinput/events.c
index 6cd33e3d..9fe81782 100644
--- a/backend/libinput/events.c
+++ b/backend/libinput/events.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/interfaces/wlr_input_device.h>
 #include <wlr/util/list.h>
 #include <wlr/util/log.h>
diff --git a/backend/libinput/keyboard.c b/backend/libinput/keyboard.c
index f19d7120..957cc3f2 100644
--- a/backend/libinput/keyboard.c
+++ b/backend/libinput/keyboard.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/interfaces/wlr_keyboard.h>
 #include <wlr/util/log.h>
diff --git a/backend/libinput/pointer.c b/backend/libinput/pointer.c
index 57c417c8..59e219d8 100644
--- a/backend/libinput/pointer.c
+++ b/backend/libinput/pointer.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/interfaces/wlr_pointer.h>
 #include <wlr/util/log.h>
diff --git a/backend/libinput/tablet_pad.c b/backend/libinput/tablet_pad.c
index 5517fa63..9bf45ba6 100644
--- a/backend/libinput/tablet_pad.c
+++ b/backend/libinput/tablet_pad.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/interfaces/wlr_tablet_pad.h>
 #include <wlr/util/log.h>
diff --git a/backend/libinput/tablet_tool.c b/backend/libinput/tablet_tool.c
index 95bdd3fd..9bbb0e34 100644
--- a/backend/libinput/tablet_tool.c
+++ b/backend/libinput/tablet_tool.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/interfaces/wlr_tablet_tool.h>
 #include <wlr/util/log.h>
diff --git a/backend/libinput/touch.c b/backend/libinput/touch.c
index c002b6a0..e0e866b0 100644
--- a/backend/libinput/touch.c
+++ b/backend/libinput/touch.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <libinput.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/interfaces/wlr_touch.h>
 #include <wlr/util/log.h>
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 2e8f117c..8026e970 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <wlr/backend/interface.h>
 #include <wlr/backend/udev.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/util/log.h>
 #include "backend/multi.h"
 
diff --git a/backend/session/direct-ipc.c b/backend/session/direct-ipc.c
index 885662e0..71e22148 100644
--- a/backend/session/direct-ipc.c
+++ b/backend/session/direct-ipc.c
@@ -13,7 +13,7 @@
 #include <xf86drm.h>
 #include <linux/major.h>
 #include <wlr/util/log.h>
-#include "session/direct-ipc.h"
+#include "backend/session/direct-ipc.h"
 
 enum { DRM_MAJOR = 226 };
 
diff --git a/backend/session/direct.c b/backend/session/direct.c
index 1247663b..82aa8e00 100644
--- a/backend/session/direct.c
+++ b/backend/session/direct.c
@@ -13,9 +13,9 @@
 #include <linux/input.h>
 #include <linux/vt.h>
 #include <wayland-server.h>
-#include <wlr/session/interface.h>
+#include <wlr/backend/session/interface.h>
 #include <wlr/util/log.h>
-#include "session/direct-ipc.h"
+#include "backend/session/direct-ipc.h"
 
 enum { DRM_MAJOR = 226 };
 
diff --git a/backend/session/logind.c b/backend/session/logind.c
index 6744215a..20d9b5ed 100644
--- a/backend/session/logind.c
+++ b/backend/session/logind.c
@@ -11,7 +11,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <wayland-server.h>
-#include <wlr/session/interface.h>
+#include <wlr/backend/session/interface.h>
 #include <wlr/util/log.h>
 
 enum { DRM_MAJOR = 226 };
diff --git a/backend/session/session.c b/backend/session/session.c
index 3f4c7910..a07d3cda 100644
--- a/backend/session/session.c
+++ b/backend/session/session.c
@@ -1,7 +1,7 @@
 #include <stddef.h>
 #include <stdarg.h>
-#include <wlr/session.h>
-#include <wlr/session/interface.h>
+#include <wlr/backend/session.h>
+#include <wlr/backend/session/interface.h>
 #include <wlr/util/log.h>
 
 extern const struct session_impl session_logind;
diff --git a/backend/udev.c b/backend/udev.c
index 1fecaee4..1cc53f60 100644
--- a/backend/udev.c
+++ b/backend/udev.c
@@ -8,7 +8,7 @@
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 #include <wayland-server.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/util/log.h>
 #include "backend/udev.h"
 
diff --git a/examples/compositor/main.c b/examples/compositor/main.c
index e13fda24..c618961d 100644
--- a/examples/compositor/main.c
+++ b/examples/compositor/main.c
@@ -6,7 +6,7 @@
 #include <inttypes.h>
 #include <wayland-server.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/render.h>
 #include <wlr/render/gles2.h>
 #include <wlr/types/wlr_output.h>
diff --git a/examples/pointer.c b/examples/pointer.c
index c7518841..d159caf5 100644
--- a/examples/pointer.c
+++ b/examples/pointer.c
@@ -14,7 +14,7 @@
 #include <wlr/render/gles2.h>
 #include <wlr/render.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_keyboard.h>
 #include <wlr/util/log.h>
 #include "shared.h"
diff --git a/examples/rotation.c b/examples/rotation.c
index 36e95f50..bcf855d9 100644
--- a/examples/rotation.c
+++ b/examples/rotation.c
@@ -14,7 +14,7 @@
 #include <wlr/render/gles2.h>
 #include <wlr/render.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_keyboard.h>
 #include <math.h>
 #include "shared.h"
diff --git a/examples/shared.c b/examples/shared.c
index 823d8e0c..bd5f7ec5 100644
--- a/examples/shared.c
+++ b/examples/shared.c
@@ -8,7 +8,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include <wayland-server-protocol.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/util/log.h>
diff --git a/examples/shared.h b/examples/shared.h
index 1633f2c8..2379eef9 100644
--- a/examples/shared.h
+++ b/examples/shared.h
@@ -8,7 +8,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include <wayland-server-protocol.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 
diff --git a/examples/simple.c b/examples/simple.c
index 45cb2b93..8e098e18 100644
--- a/examples/simple.c
+++ b/examples/simple.c
@@ -7,7 +7,7 @@
 #include <wayland-server.h>
 #include <GLES2/gl2.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_output.h>
 #include <xkbcommon/xkbcommon.h>
 #include "shared.h"
diff --git a/examples/tablet.c b/examples/tablet.c
index d7f7d042..0be6dcb9 100644
--- a/examples/tablet.c
+++ b/examples/tablet.c
@@ -13,7 +13,7 @@
 #include <wlr/render/gles2.h>
 #include <wlr/render.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_tablet_tool.h>
 #include <wlr/types/wlr_tablet_pad.h>
diff --git a/examples/touch.c b/examples/touch.c
index 97009e81..15ad9d49 100644
--- a/examples/touch.c
+++ b/examples/touch.c
@@ -15,7 +15,7 @@
 #include <wlr/render/gles2.h>
 #include <wlr/render.h>
 #include <wlr/backend.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/util/list.h>
 #include "shared.h"
 #include "cat.h"
diff --git a/include/backend/drm.h b/include/backend/drm.h
index dc12c258..ecdd945b 100644
--- a/include/backend/drm.h
+++ b/include/backend/drm.h
@@ -10,7 +10,7 @@
 #include <libudev.h>
 #include <gbm.h>
 
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend/drm.h>
 #include <wlr/util/list.h>
 
diff --git a/include/backend/multi.h b/include/backend/multi.h
index 617d4c98..5ac9cc1d 100644
--- a/include/backend/multi.h
+++ b/include/backend/multi.h
@@ -5,7 +5,7 @@
 #include <wlr/backend/multi.h>
 #include <wlr/backend/udev.h>
 #include <wlr/util/list.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 
 struct wlr_backend_state {
 	struct wlr_backend *backend;
diff --git a/include/backend/udev.h b/include/backend/udev.h
index a2834063..080422c0 100644
--- a/include/backend/udev.h
+++ b/include/backend/udev.h
@@ -3,7 +3,7 @@
 
 #include <sys/types.h>
 #include <libudev.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wayland-server.h>
 #include <wlr/backend/udev.h>
 
diff --git a/include/wlr/backend.h b/include/wlr/backend.h
index 74cb34a9..3910e406 100644
--- a/include/wlr/backend.h
+++ b/include/wlr/backend.h
@@ -2,7 +2,7 @@
 #define _WLR_BACKEND_H
 
 #include <wayland-server.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 
 struct wlr_backend_impl;
 struct wlr_backend_state;
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index a486757d..7332d608 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -2,7 +2,7 @@
 #define WLR_BACKEND_DRM_H
 
 #include <wayland-server.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend.h>
 #include <wlr/backend/udev.h>
 
diff --git a/include/wlr/backend/libinput.h b/include/wlr/backend/libinput.h
index 29748b77..bba68888 100644
--- a/include/wlr/backend/libinput.h
+++ b/include/wlr/backend/libinput.h
@@ -3,7 +3,7 @@
 
 #include <libinput.h>
 #include <wayland-server.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 #include <wlr/backend.h>
 #include <wlr/backend/udev.h>
 #include <wlr/types/wlr_input_device.h>
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index 00b34722..8b68284d 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -3,7 +3,7 @@
 
 #include <wlr/backend.h>
 #include <wlr/backend/udev.h>
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 
 struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
 		struct wlr_udev *udev);
diff --git a/include/wlr/backend/session/interface.h b/include/wlr/backend/session/interface.h
index 4938110d..16814446 100644
--- a/include/wlr/backend/session/interface.h
+++ b/include/wlr/backend/session/interface.h
@@ -1,7 +1,7 @@
 #ifndef WLR_SESSION_INTERFACE_H
 #define WLR_SESSION_INTERFACE_H
 
-#include <wlr/session.h>
+#include <wlr/backend/session.h>
 
 struct session_impl {
 	struct wlr_session *(*start)(struct wl_display *disp);
-- 
cgit v1.2.3


From 4d4da18437849df850b4ae199fbffb54d31c86b4 Mon Sep 17 00:00:00 2001
From: Scott Anderson <ascent12@hotmail.com>
Date: Sun, 6 Aug 2017 13:37:49 +1200
Subject: Fixed VT switching

---
 backend/multi/backend.c     |  8 ++++++++
 examples/shared.c           | 11 +++++++++--
 include/wlr/backend/multi.h |  2 ++
 3 files changed, 19 insertions(+), 2 deletions(-)

(limited to 'backend/multi')

diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 8026e970..a5913f5d 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -113,3 +113,11 @@ void wlr_multi_backend_add(struct wlr_backend *multi,
 
 	list_add(multi->state->backends, sub);
 }
+
+struct wlr_session *wlr_multi_get_session(struct wlr_backend *base) {
+	if (base->impl != &backend_impl)
+		return NULL;
+
+	struct wlr_backend_state *multi = base->state;
+	return multi->session;
+}
diff --git a/examples/shared.c b/examples/shared.c
index bd5f7ec5..27e5b9ca 100644
--- a/examples/shared.c
+++ b/examples/shared.c
@@ -9,6 +9,7 @@
 #include <wayland-server-protocol.h>
 #include <wlr/backend.h>
 #include <wlr/backend/session.h>
+#include <wlr/backend/multi.h> 
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/util/log.h>
@@ -44,8 +45,14 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
 		}
 		if (sym == XKB_KEY_Escape) {
 			wl_display_terminate(kbstate->compositor->display);
-		} else if (key_state == WLR_KEY_PRESSED && sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
-			wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
+		} else if (key_state == WLR_KEY_PRESSED &&
+				sym >= XKB_KEY_XF86Switch_VT_1 &&
+				sym <= XKB_KEY_XF86Switch_VT_12) {
+			struct wlr_session *session =
+				wlr_multi_get_session(kbstate->compositor->backend);
+			if (session) {
+				wlr_session_change_vt(session, sym - XKB_KEY_XF86Switch_VT_1 + 1);
+			}
 		}
 	}
 	xkb_state_update_key(kbstate->xkb_state, keycode,
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index 8b68284d..048c4043 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -10,4 +10,6 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
 void wlr_multi_backend_add(struct wlr_backend *multi,
 		struct wlr_backend *backend);
 
+struct wlr_session *wlr_multi_get_session(struct wlr_backend *base);
+
 #endif
-- 
cgit v1.2.3


From 5bf61ca7edb658737f3ccbaed0a99f4779d329bb Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sat, 5 Aug 2017 23:08:35 -0400
Subject: Check for multi backend before using it

---
 backend/multi/backend.c     |  4 ++++
 examples/shared.c           | 10 ++++++----
 include/wlr/backend/multi.h |  2 ++
 3 files changed, 12 insertions(+), 4 deletions(-)

(limited to 'backend/multi')

diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index a5913f5d..19839629 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -66,6 +66,10 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
 	return backend;
 }
 
+bool wlr_backend_is_multi(struct wlr_backend *b) {
+	return b->impl == &backend_impl;
+}
+
 static void input_add_reemit(struct wl_listener *listener, void *data) {
 	struct subbackend_state *state = wl_container_of(listener,
 			state, input_add);
diff --git a/examples/shared.c b/examples/shared.c
index 27e5b9ca..c66b8a23 100644
--- a/examples/shared.c
+++ b/examples/shared.c
@@ -48,10 +48,12 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
 		} else if (key_state == WLR_KEY_PRESSED &&
 				sym >= XKB_KEY_XF86Switch_VT_1 &&
 				sym <= XKB_KEY_XF86Switch_VT_12) {
-			struct wlr_session *session =
-				wlr_multi_get_session(kbstate->compositor->backend);
-			if (session) {
-				wlr_session_change_vt(session, sym - XKB_KEY_XF86Switch_VT_1 + 1);
+			if (wlr_backend_is_multi(kbstate->compositor->backend)) {
+				struct wlr_session *session =
+					wlr_multi_get_session(kbstate->compositor->backend);
+				if (session) {
+					wlr_session_change_vt(session, sym - XKB_KEY_XF86Switch_VT_1 + 1);
+				}
 			}
 		}
 	}
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index 048c4043..e8e46bed 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -10,6 +10,8 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
 void wlr_multi_backend_add(struct wlr_backend *multi,
 		struct wlr_backend *backend);
 
+bool wlr_backend_is_multi(struct wlr_backend *backend);
+
 struct wlr_session *wlr_multi_get_session(struct wlr_backend *base);
 
 #endif
-- 
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