Default to backend-wise input device mapping, if any

1 files changed, 15 insertions, 6 deletions

diff --git a/sway/input/seat.c b/sway/input/seat.c
index e8bd6b36..443fe367 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -263,18 +263,27 @@ struct sway_seat *seat_create(struct sway_input_manager *input,
 
 static void seat_apply_input_config(struct sway_seat *seat,
                 struct sway_seat_device *sway_device) {
+        const char *mapped_to_output = NULL;
+
         struct input_config *ic = input_device_get_config(
                         sway_device->input_device);
-        if (!ic) {
-                return;
-        }
-        wlr_log(L_DEBUG, "Applying input config to %s",
+        if (ic != NULL) {
+                wlr_log(L_DEBUG, "Applying input config to %s",
                         sway_device->input_device->identifier);
-        if (ic->mapped_to_output) {
+
+                mapped_to_output = ic->mapped_to_output;
+        }
+
+        if (mapped_to_output == NULL) {
+                mapped_to_output = sway_device->input_device->wlr_device->output_name;
+        }
+        if (mapped_to_output != NULL) {
+                wlr_log(L_DEBUG, "Mapping input device %s to output %s",
+                        sway_device->input_device->identifier, mapped_to_output);
                 struct sway_container *output = NULL;
                 for (int i = 0; i < root_container.children->length; ++i) {
                         struct sway_container *_output = root_container.children->items[i];
-                        if (strcasecmp(_output->name, ic->mapped_to_output) == 0) {
+                        if (strcasecmp(_output->name, mapped_to_output) == 0) {
                                 output = _output;
                                 break;
                         }