console.lua: add gap script-opt

DOCS/interface-changes/console-gap.txt

@@ -0,0 +1 @@
+add `console-gap` script-opt

DOCS/man/console.rst

@@ -151,6 +151,11 @@ Configurable Options
     The transparency of the menu's background. Ranges from 0 (opaque) to 255
     (fully transparent).
 
+``gap``
+    Default: 0.2
+
+    The gap between menu items, specified as a percentage the font size.
+
 ``padding``
     Default: 10
 

player/lua/console.lua

@@ -33,6 +33,7 @@ local opts = {
     font_size = 24,
     border_size = 1.65,
     background_alpha = 80,
+    gap = 0.2,
     padding = 10,
     menu_outline_size = 0,
     menu_outline_color = "#FFFFFF",
@@ -297,7 +298,11 @@ local function get_scaled_osd_dimensions()
 end
 
 local function get_line_height()
-    return selectable_items and opts.font_size * 1.2 or opts.font_size
+    if selectable_items then
+        return opts.font_size * (1 + opts.gap)
+    end
+
+    return opts.font_size
 end
 
 local function calculate_max_lines()