[fix] handle cases where nb_master > children->length in auto layout

1 files changed, 2 insertions, 3 deletions

diff --git a/sway/layout.c b/sway/layout.c
index 52473d0d..0428ecf9 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -1209,15 +1209,14 @@ void apply_auto_layout(swayc_t *container, const double x, const double y,
                 group_dim = old_group_dim[layout_group] * scale;
                 if (container->nb_master > 0 && layout_group == 0) {
                         start = 0;
-                        end = container->nb_master;
+                        end = MIN(container->nb_master, container->children->length);
                 } else {
                         if (group == 0) {
                                 start = container->nb_master;
                         } else {
                                 start = end;
                         }
-                        end = start +
-                              (nb_slaves - start + container->nb_master) / (nb_groups - layout_group);
+                        end = start + (nb_slaves - start + container->nb_master) / (nb_groups - layout_group);
                 }
                 if (group == nb_groups - 1) {
                         group_dim = pos_maj + dim_maj - pos; // remaining width