From 34f27ff691d046355d68c7d6a2e0dfb438bd7755 Mon Sep 17 00:00:00 2001
From: Tony Crisci <tony@dubstepdish.com>
Date: Mon, 16 Oct 2017 05:07:09 -0400
Subject: [PATCH] wlr-seat: selection signal

---
 include/wlr/types/wlr_seat.h |  2 ++
 types/wlr_data_device.c      | 11 ++++++++---
 types/wlr_seat.c             |  2 ++
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h
index 88d42112..cc7a5927 100644
--- a/include/wlr/types/wlr_seat.h
+++ b/include/wlr/types/wlr_seat.h
@@ -132,6 +132,8 @@ struct wlr_seat {
 		struct wl_signal keyboard_grab_end;
 
 		struct wl_signal request_set_cursor;
+
+		struct wl_signal selection;
 	} events;
 
 	void *data;
diff --git a/types/wlr_data_device.c b/types/wlr_data_device.c
index d5782830..d992424a 100644
--- a/types/wlr_data_device.c
+++ b/types/wlr_data_device.c
@@ -283,11 +283,16 @@ static void seat_handle_selection_data_source_destroy(
 	struct wlr_seat *seat =
 		wl_container_of(listener, seat, selection_data_source_destroy);
 
-	// TODO send null selection to focused keyboard
+	if (seat->keyboard_state.focused_handle &&
+			seat->keyboard_state.focused_surface &&
+			seat->keyboard_state.focused_handle->data_device) {
+		wl_data_device_send_selection(
+			seat->keyboard_state.focused_handle->data_device, NULL);
+	}
 
 	seat->selection_source = NULL;
 
-	// TODO emit selection signal
+	wl_signal_emit(&seat->events.selection, seat);
 }
 
 void wlr_seat_set_selection(struct wlr_seat *seat,
@@ -313,7 +318,7 @@ void wlr_seat_set_selection(struct wlr_seat *seat,
 		wlr_seat_handle_send_selection(focused_handle);
 	}
 
-	// TODO emit selection signal
+	wl_signal_emit(&seat->events.selection, seat);
 
 	if (source) {
 		seat->selection_data_source_destroy.notify =
diff --git a/types/wlr_seat.c b/types/wlr_seat.c
index 162f97b9..1285f2ee 100644
--- a/types/wlr_seat.c
+++ b/types/wlr_seat.c
@@ -309,7 +309,9 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
 
 	wl_signal_init(&wlr_seat->events.client_bound);
 	wl_signal_init(&wlr_seat->events.client_unbound);
+
 	wl_signal_init(&wlr_seat->events.request_set_cursor);
+	wl_signal_init(&wlr_seat->events.selection);
 
 	wl_signal_init(&wlr_seat->events.pointer_grab_begin);
 	wl_signal_init(&wlr_seat->events.pointer_grab_end);