simplification of apply_auto_layout

Achieved by introducing auto_group_bounds function that produces
the start/end indexes of a group inside an auto layot container.

1 files changed, 5 insertions, 4 deletions

diff --git a/include/sway/layout.h b/include/sway/layout.h
index c51fece9..fbedcdb3 100644
--- a/include/sway/layout.h
+++ b/include/sway/layout.h
@@ -76,9 +76,10 @@ void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ..
 enum swayc_layouts default_layout(swayc_t *output);
 
 bool is_auto_layout(enum swayc_layouts layout);
-int auto_group_start_index(swayc_t *container, int index);
-int auto_group_end_index(swayc_t *container, int index);
-size_t auto_group_count(swayc_t *container);
-size_t auto_group_index(swayc_t *container, int index);
+int auto_group_start_index(const swayc_t *container, int index);
+int auto_group_end_index(const swayc_t *container, int index);
+size_t auto_group_count(const swayc_t *container);
+size_t auto_group_index(const swayc_t *container, int index);
+bool auto_group_bounds(const swayc_t *container, size_t group_index, int *start, int *end);
 
 #endif