config reload: destroy old seat when removed from config

This adds new sway_seat_destroy and sway_cursor_destroy helpers
and compare new and old config on free

3 files changed, 21 insertions, 1 deletions

diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index e6a4eca8..73a8ec5c 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -149,6 +149,16 @@ static void handle_request_set_cursor(struct wl_listener *listener,
         wlr_log(L_DEBUG, "TODO: handle request set cursor event: %p", event);
 }
 
+void sway_cursor_destroy(struct sway_cursor *cursor) {
+        if (!cursor) {
+                return;
+        }
+
+        wlr_xcursor_manager_destroy(cursor->xcursor_manager);
+        wlr_cursor_destroy(cursor->cursor);
+        free(cursor);
+}
+
 struct sway_cursor *sway_cursor_create(struct sway_seat *seat) {
         struct sway_cursor *cursor = calloc(1, sizeof(struct sway_cursor));
         if (!sway_assert(cursor, "could not allocate sway cursor")) {
diff --git a/sway/input/input-manager.c b/sway/input/input-manager.c
index 2d119cf2..12b3a430 100644
--- a/sway/input/input-manager.c
+++ b/sway/input/input-manager.c
@@ -23,7 +23,7 @@ struct sway_input_manager *input_manager;
 struct input_config *current_input_config = NULL;
 struct seat_config *current_seat_config = NULL;
 
-static struct sway_seat *input_manager_get_seat(
+struct sway_seat *input_manager_get_seat(
                 struct sway_input_manager *input, const char *seat_name) {
         struct sway_seat *seat = NULL;
         wl_list_for_each(seat, &input->seats, link) {
diff --git a/sway/input/seat.c b/sway/input/seat.c
index e9b375e0..9ea08eec 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -21,6 +21,16 @@ static void seat_device_destroy(struct sway_seat_device *seat_device) {
         free(seat_device);
 }
 
+void sway_seat_destroy(struct sway_seat *seat) {
+        struct sway_seat_device *seat_device, *next;
+        wl_list_for_each_safe(seat_device, next, &seat->devices, link) {
+                seat_device_destroy(seat_device);
+        }
+        sway_cursor_destroy(seat->cursor);
+        wl_list_remove(&seat->link);
+        wlr_seat_destroy(seat->wlr_seat);
+}
+
 struct sway_seat *sway_seat_create(struct sway_input_manager *input,
                 const char *seat_name) {
         struct sway_seat *seat = calloc(1, sizeof(struct sway_seat));