fix: ignore bottom edge so gestures avoid osc

scripts/touch-gestures.lua

@@ -21,6 +21,7 @@ local config = {
   invert_vertical = false, -- true flips the swipe direction
   left_zone_ratio = 0.35, -- fraction of width reserved for brightness (left side)
   right_zone_ratio = 0.35, -- fraction of width reserved for volume (right side)
+  bottom_exclude_ratio = 0.15, -- ignore bottom portion (e.g., OSC area); 0 disables
   osd_duration = 1.2, -- seconds OSD stays visible; set 0 to disable
   log_debug = false, -- set true to log gesture details
   start_on_move = true, -- begin a gesture on move in edge zones (helps touch devices without BTN events)
@@ -214,10 +215,16 @@ local function surface_size()
   return w, h
 end
 
-local function pick_zone(x, width)
+local function pick_zone(x, y, width, height)
   if width <= 0 then
     return nil
   end
+  if height and height > 0 and config.bottom_exclude_ratio > 0 then
+    local cutoff = height * (1 - config.bottom_exclude_ratio)
+    if y >= cutoff then
+      return nil
+    end
+  end
   local left_limit = width * config.left_zone_ratio
   local right_start = width * (1 - config.right_zone_ratio)
   if x <= left_limit then
@@ -282,8 +289,8 @@ local function update_gesture(_, pos)
   end
 
   if not state.active and config.start_on_move then
-    local width = surface_size()
-    local zone = pick_zone(pos.x, width)
+    local width, height = surface_size()
+    local zone = pick_zone(pos.x, pos.y, width, height)
     if zone then
       start_gesture(pos, zone)
     else
@@ -354,8 +361,8 @@ local function handle_touch(event)
       return
     end
 
-    local width = surface_size()
-    local zone = pick_zone(pos.x, width)
+    local width, height = surface_size()
+    local zone = pick_zone(pos.x, pos.y, width, height)
     if not zone then
       forwarding_click = true
       mp.commandv("keypress", "mouse_btn0")