From 06fbd51ff5563f548599615a6baf5a1854bf9983 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Tue, 3 Apr 2018 16:16:42 -0400
Subject: [PATCH] Add input inhibitor to input manager

---
 include/sway/input/input-manager.h |  5 +++++
 include/sway/input/seat.h          |  3 +++
 sway/input/input-manager.c         | 27 +++++++++++++++++++++++++++
 sway/input/seat.c                  |  5 +++++
 4 files changed, 40 insertions(+)

diff --git a/include/sway/input/input-manager.h b/include/sway/input/input-manager.h
index 8e39a4a7..89a3ac71 100644
--- a/include/sway/input/input-manager.h
+++ b/include/sway/input/input-manager.h
@@ -1,6 +1,7 @@
 #ifndef _SWAY_INPUT_INPUT_MANAGER_H
 #define _SWAY_INPUT_INPUT_MANAGER_H
 #include <libinput.h>
+#include <wlr/types/wlr_input_inhibitor.h>
 #include "sway/server.h"
 #include "sway/config.h"
 #include "list.h"
@@ -23,7 +24,11 @@ struct sway_input_manager {
 	struct wl_list devices;
 	struct wl_list seats;
 
+	struct wlr_input_inhibit_manager *inhibit;
+
 	struct wl_listener new_input;
+	struct wl_listener inhibit_activate;
+	struct wl_listener inhibit_deactivate;
 };
 
 struct sway_input_manager *input_manager_create(struct sway_server *server);
diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h
index 137fcd22..53031d70 100644
--- a/include/sway/input/seat.h
+++ b/include/sway/input/seat.h
@@ -64,6 +64,9 @@ void seat_set_focus_warp(struct sway_seat *seat,
 void seat_set_focus_layer(struct sway_seat *seat,
 		struct wlr_layer_surface *layer);
 
+void seat_set_exclusive_client(struct sway_seat *seat,
+		struct wl_client *client);
+
 struct sway_container *seat_get_focus(struct sway_seat *seat);
 
 /**
diff --git a/sway/input/input-manager.c b/sway/input/input-manager.c
index c3507f65..3b2d1d55 100644
--- a/sway/input/input-manager.c
+++ b/sway/input/input-manager.c
@@ -7,6 +7,7 @@
 #include <libinput.h>
 #include <math.h>
 #include <wlr/backend/libinput.h>
+#include <wlr/types/wlr_input_inhibitor.h>
 #include "sway/config.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
@@ -263,6 +264,24 @@ static void handle_new_input(struct wl_listener *listener, void *data) {
 	input_device->device_destroy.notify = handle_device_destroy;
 }
 
+static void handle_inhibit_activate(struct wl_listener *listener, void *data) {
+	struct sway_input_manager *input_manager = wl_container_of(
+			listener, input_manager, inhibit_activate);
+	struct sway_seat *seat;
+	wl_list_for_each(seat, &input_manager->seats, link) {
+		seat_set_exclusive_client(seat, input_manager->inhibit->active_client);
+	}
+}
+
+static void handle_inhibit_deactivate(struct wl_listener *listener, void *data) {
+	struct sway_input_manager *input_manager = wl_container_of(
+			listener, input_manager, inhibit_deactivate);
+	struct sway_seat *seat;
+	wl_list_for_each(seat, &input_manager->seats, link) {
+		seat_set_exclusive_client(seat, NULL);
+	}
+}
+
 struct sway_input_manager *input_manager_create(
 		struct sway_server *server) {
 	struct sway_input_manager *input =
@@ -281,6 +300,14 @@ struct sway_input_manager *input_manager_create(
 	input->new_input.notify = handle_new_input;
 	wl_signal_add(&server->backend->events.new_input, &input->new_input);
 
+	input->inhibit = wlr_input_inhibit_manager_create(server->wl_display);
+	input->inhibit_activate.notify = handle_inhibit_activate;
+	wl_signal_add(&input->inhibit->events.activate,
+			&input->inhibit_activate);
+	input->inhibit_deactivate.notify = handle_inhibit_deactivate;
+	wl_signal_add(&input->inhibit->events.deactivate,
+			&input->inhibit_deactivate);
+
 	return input;
 }
 
diff --git a/sway/input/seat.c b/sway/input/seat.c
index a6b42598..318fa9f6 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -460,6 +460,11 @@ void seat_set_focus_layer(struct sway_seat *seat,
 	}
 }
 
+void seat_set_exclusive_client(struct sway_seat *seat,
+		struct wl_client *client) {
+	// TODO
+}
+
 struct sway_container *seat_get_focus_inactive(struct sway_seat *seat,
 		struct sway_container *container) {
 	return seat_get_focus_by_type(seat, container, C_TYPES);