feat: timeline_step option now accepts ! suffix to enable exact s…

…eeks

closes #941

src/uosc.conf

@@ -9,7 +9,8 @@ timeline_size=40
 timeline_persistency=
 # Top border of background color to help visually separate timeline from video
 timeline_border=1
-# When scrolling above timeline, wheel will seek by this amount of seconds
+# When scrolling above timeline, wheel will seek by this amount of seconds.
+# Default uses fast seeking. Add `!` suffix to enable exact seeks. Example: `5!`
 timeline_step=5
 # Render cache indicators for streaming content
 timeline_cache=yes

src/uosc/elements/Timeline.lua

@@ -185,8 +185,12 @@ function Timeline:render()
 			cursor:once('primary_up', function() self:handle_cursor_up() end)
 		end)
 		if options.timeline_step ~= 0 then
-			cursor:zone('wheel_down', self, function() mp.commandv('seek', -options.timeline_step) end)
-			cursor:zone('wheel_up', self, function() mp.commandv('seek', options.timeline_step) end)
+			cursor:zone('wheel_down', self, function()
+				mp.commandv('seek', -config.timeline_step, config.timeline_step_flag)
+			end)
+			cursor:zone('wheel_up', self, function()
+				mp.commandv('seek', config.timeline_step, config.timeline_step_flag)
+			end)
 		end
 	end
 

src/uosc/main.lua

@@ -23,7 +23,7 @@ defaults = {
 	progress_line_width = 20,
 	timeline_persistency = '',
 	timeline_border = 1,
-	timeline_step = 5,
+	timeline_step = '5',
 	timeline_cache = true,
 
 	controls =
@@ -236,6 +236,8 @@ config = {
 	color = table_copy(config_defaults.color),
 	opacity = table_copy(config_defaults.opacity),
 	cursor_leave_fadeout_elements = {'timeline', 'volume', 'top_bar', 'controls'},
+	timeline_step = 5,
+	timeline_step_flag = '',
 }
 
 -- Updates config with values dependent on options
@@ -265,6 +267,13 @@ function update_config()
 	-- Global color shorthands
 	fg, bg = config.color.foreground, config.color.background
 	fgt, bgt = config.color.foreground_text, config.color.background_text
+
+	-- Timeline step
+	do
+		local is_exact = options.timeline_step:sub(-1) == '!'
+		config.timeline_step = tonumber(is_exact and options.timeline_step:sub(1, -2) or options.timeline_step)
+		config.timeline_step_flag = is_exact and 'exact' or ''
+	end
 end
 update_config()