Implement transient seat management

3 files changed, 37 insertions, 2 deletions

diff --git a/sway/input/input-manager.c b/sway/input/input-manager.c
index 089e1e71..248ca34e 100644
--- a/sway/input/input-manager.c
+++ b/sway/input/input-manager.c
@@ -2,7 +2,9 @@
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
+#include <assert.h>
 #include <wlr/config.h>
+#include <wlr/backend/libinput.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_keyboard_group.h>
 #include <wlr/types/wlr_virtual_keyboard_v1.h>
@@ -431,6 +433,20 @@ void handle_virtual_pointer(struct wl_listener *listener, void *data) {
         }
 }
 
+static void handle_transient_seat_manager_create_seat(
+                struct wl_listener *listener, void *data) {
+        struct wlr_transient_seat_v1 *transient_seat = data;
+        static uint64_t i;
+        char name[256];
+        snprintf(name, sizeof(name), "transient-%"PRIx64, i++);
+        struct sway_seat *seat = seat_create(name);
+        if (seat && seat->wlr_seat) {
+                wlr_transient_seat_v1_ready(transient_seat, seat->wlr_seat);
+        } else {
+                wlr_transient_seat_v1_deny(transient_seat);
+        }
+}
+
 struct sway_input_manager *input_manager_create(struct sway_server *server) {
         struct sway_input_manager *input =
                 calloc(1, sizeof(struct sway_input_manager));
@@ -466,6 +482,15 @@ struct sway_input_manager *input_manager_create(struct sway_server *server) {
 
         input->pointer_gestures = wlr_pointer_gestures_v1_create(server->wl_display);
 
+        input->transient_seat_manager =
+                wlr_transient_seat_manager_v1_create(server->wl_display);
+        assert(input->transient_seat_manager);
+
+        input->transient_seat_create.notify =
+                handle_transient_seat_manager_create_seat;
+        wl_signal_add(&input->transient_seat_manager->events.create_seat,
+                        &input->transient_seat_create);
+
         return input;
 }
 
diff --git a/sway/input/seat.c b/sway/input/seat.c
index f2486893..0c5672bc 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -67,6 +67,12 @@ static void seat_node_destroy(struct sway_seat_node *seat_node) {
 }
 
 void seat_destroy(struct sway_seat *seat) {
+        wlr_seat_destroy(seat->wlr_seat);
+}
+
+static void handle_seat_destroy(struct wl_listener *listener, void *data) {
+        struct sway_seat *seat = wl_container_of(listener, seat, destroy);
+
         if (seat == config->handler_context.seat) {
                 config->handler_context.seat = input_manager_get_default_seat();
         }
@@ -87,7 +93,7 @@ void seat_destroy(struct sway_seat *seat) {
         wl_list_remove(&seat->request_set_selection.link);
         wl_list_remove(&seat->request_set_primary_selection.link);
         wl_list_remove(&seat->link);
-        wlr_seat_destroy(seat->wlr_seat);
+        wl_list_remove(&seat->destroy.link);
         for (int i = 0; i < seat->deferred_bindings->length; i++) {
                 free_sway_binding(seat->deferred_bindings->items[i]);
         }
@@ -534,6 +540,9 @@ struct sway_seat *seat_create(const char *seat_name) {
                 return NULL;
         }
 
+        seat->destroy.notify = handle_seat_destroy;
+        wl_signal_add(&seat->wlr_seat->events.destroy, &seat->destroy);
+
         seat->idle_inhibit_sources = seat->idle_wake_sources =
                 IDLE_SOURCE_KEYBOARD |
                 IDLE_SOURCE_POINTER |
diff --git a/sway/server.c b/sway/server.c
index 51bde794..d159dc9b 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -112,7 +112,8 @@ static bool is_privileged(const struct wl_global *global) {
                 global == server.session_lock.manager->global ||
                 global == server.input->keyboard_shortcuts_inhibit->global ||
                 global == server.input->virtual_keyboard->global ||
-                global == server.input->virtual_pointer->global;
+                global == server.input->virtual_pointer->global ||
+                global == server.input->transient_seat_manager->global;
 }
 
 static bool filter_global(const struct wl_client *client,