Make the scrollback indicator visible by default

docs/changelog.rst

@@ -54,7 +54,8 @@ Detailed list of changes
   using the panel kitten for all compositors that support the requisite Wayland
   protocol which is practically speaking all of them but GNOME (:pull:`2590`)
 
-- A new option :opt:`scrollback_indicator_opacity` to show a small indicator on the right hand side of the screen of how much you have scrolled
+- Show a small :opt:`scrollback indicator <scrollback_indicator_opacity>` along the right window edge when viewing
+  the scrollback to keep track of scroll position (:iss:`2502`)
 
 - Wayland: Support fractional scales so that there is no wasted drawing at larger scale followed by resizing in the compositor
 

docs/overview.rst

@@ -251,8 +251,11 @@ The scrollback buffer
 -----------------------
 
 |kitty| supports scrolling back to view history, just like most terminals. You
-can use either keyboard shortcuts or the mouse scroll wheel to do so. However,
-|kitty| has an extra, neat feature. Sometimes you need to explore the scrollback
+can use either keyboard shortcuts or the mouse scroll wheel to do so. While
+you are browsing the scrollback a :opt:`small indicator <scrollback_indicator_opacity>`
+is displayed along the right edge of the window to show how far back you are.
+
+However, |kitty| has an extra, neat feature. Sometimes you need to explore the scrollback
 buffer in more detail, maybe search for some text or refer to it side-by-side
 while typing in a follow-up command. |kitty| allows you to do this by pressing
 the :sc:`show_scrollback` shortcut, which will open the scrollback buffer in

kitty/options/definition.py

@@ -374,12 +374,12 @@
 '''
     )
 
-opt('scrollback_indicator_opacity', '0.0',
+opt('scrollback_indicator_opacity', '1.0',
     option_type='unit_float', ctype='float', long_text='''
 The opacity of the scrollback indicator which is a small colored rectangle that moves
 along the right hand side of the window as you scroll, indicating what fraction you
-have scrolled. The default is zero which means fully transparent, aka invisible.
-Set to a value between zero and one to see the indicator.''')
+have scrolled. The default is one which means fully opaque, aka visible.
+Set to a value between zero and one to make the indicator less visible.''')
 
 
 opt('scrollback_pager', 'less --chop-long-lines --RAW-CONTROL-CHARS +INPUT_LINE_NUMBER',

kitty/options/types.py

@@ -563,7 +563,7 @@ class Options:
     resize_debounce_time: typing.Tuple[float, float] = (0.1, 0.5)
     resize_in_steps: bool = False
     scrollback_fill_enlarged_window: bool = False
-    scrollback_indicator_opacity: float = 0
+    scrollback_indicator_opacity: float = 1.0
     scrollback_lines: int = 2000
     scrollback_pager: typing.List[str] = ['less', '--chop-long-lines', '--RAW-CONTROL-CHARS', '+INPUT_LINE_NUMBER']
     scrollback_pager_history_size: int = 0