Add mode support to libinput backend

And extend tablet example with tilt and ring support

2 files changed, 13 insertions, 0 deletions

diff --git a/examples/support/shared.c b/examples/support/shared.c
index c4f9288d..e6233206 100644
--- a/examples/support/shared.c
+++ b/examples/support/shared.c
@@ -294,6 +294,14 @@ static void tablet_pad_button_notify(struct wl_listener *listener, void *data) {
 	}
 }
 
+static void tablet_pad_ring_notify(struct wl_listener *listener, void *data) {
+	struct wlr_event_tablet_pad_ring *event = data;
+	struct tablet_pad_state *pstate = wl_container_of(listener, pstate, ring);
+	if (pstate->compositor->pad_ring_cb) {
+		pstate->compositor->pad_ring_cb(pstate, event->ring, event->position);
+	}
+}
+
 static void tablet_pad_destroy_notify(struct wl_listener *listener, void *data) {
 	struct tablet_pad_state *pstate = wl_container_of(listener, pstate, destroy);
 	struct compositor_state *state = pstate->compositor;
@@ -315,6 +323,8 @@ static void tablet_pad_add(struct wlr_input_device *device,
 	wl_signal_add(&device->events.destroy, &pstate->destroy);
 	pstate->button.notify = tablet_pad_button_notify;
 	wl_signal_add(&device->tablet_pad->events.button, &pstate->button);
+	pstate->ring.notify = tablet_pad_ring_notify;
+	wl_signal_add(&device->tablet_pad->events.ring, &pstate->ring);
 	wl_list_insert(&state->tablet_pads, &pstate->link);
 }
 
diff --git a/examples/support/shared.h b/examples/support/shared.h
index 8cdea301..d00e75b3 100644
--- a/examples/support/shared.h
+++ b/examples/support/shared.h
@@ -73,6 +73,7 @@ struct tablet_pad_state {
 	struct wlr_input_device *device;
 	struct wl_listener destroy;
 	struct wl_listener button;
+	struct wl_listener ring;
 	struct wl_list link;
 	void *data;
 };
@@ -117,6 +118,8 @@ struct compositor_state {
 			uint32_t button, enum wlr_button_state state);
 	void (*pad_button_cb)(struct tablet_pad_state *s,
 			uint32_t button, enum wlr_button_state state);
+	void (*pad_ring_cb)(struct tablet_pad_state *s,
+			uint32_t ring, double position);
 
 	struct wl_display *display;
 	struct wl_event_loop *event_loop;