3 files changed, 8 insertions, 0 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 6606775a..2fe8a631 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -229,6 +229,7 @@ sway_cmd input_cmd_map_to_output;
 sway_cmd input_cmd_middle_emulation;
 sway_cmd input_cmd_natural_scroll;
 sway_cmd input_cmd_pointer_accel;
+sway_cmd input_cmd_scroll_factor;
 sway_cmd input_cmd_repeat_delay;
 sway_cmd input_cmd_repeat_rate;
 sway_cmd input_cmd_scroll_button;
diff --git a/include/sway/config.h b/include/sway/config.h
index 79c4359b..658b4a01 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -100,6 +100,7 @@ struct input_config {
         int middle_emulation;
         int natural_scroll;
         float pointer_accel;
+        float scroll_factor;
         int repeat_delay;
         int repeat_rate;
         int scroll_button;
diff --git a/include/util.h b/include/util.h
index f143d0c0..84318fe7 100644
--- a/include/util.h
+++ b/include/util.h
@@ -59,6 +59,12 @@ uint32_t parse_color(const char *color);
  */
 bool parse_boolean(const char *boolean, bool current);
 
+/**
+ * Given a string that represents a floating point value, return a float.
+ * Returns NAN on error.
+ */
+float parse_float(const char *value);
+
 enum wlr_direction opposite_direction(enum wlr_direction d);
 
 #endif