From 5c23089356402017a396f6efbd6a0d547a6a26ac Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Wed, 28 Jan 2026 19:57:42 -0800
Subject: add progress bar for active programmes

---
 osd.lua | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'osd.lua')

diff --git a/osd.lua b/osd.lua
index 542a8ad..77f98d0 100644
--- a/osd.lua
+++ b/osd.lua
@@ -202,6 +202,28 @@ function mt:option_icons(opt, info)
 	return str
 end
 
+function mt:draw_progress_bar(prog, fg, bg)
+	local pct = (self.redraw_time - prog.start) / (prog.stop - prog.start)
+	local offset = 0.15 * config.font_size
+	local h = 0.25 * config.font_size
+	local w = 2 * config.font_size
+	local filled = w * pct
+
+	-- overlay fill over bg using negative coordinates, then backtrack
+	-- width of fill using \fsp on a zero-width space. this is needed
+	-- because ASS essentially advances a cursor by the width of any
+	-- rendered shape, as opposed to starting the next shape where the
+	-- previous one ended. we must rewind this cursor to avoid a gap the
+	-- width of fill before anything else that follows.
+	--
+	-- the reason this is done in the first place is because simply placing
+	-- two rectangles next to one another results in a subpixel gap between
+	-- them, affecting both the rendered result and the computed bounds.
+	return bg .. draw_rect(0, -offset, w, h - offset) ..
+		fg .. draw_rect(-w, -offset, filled - w, h - offset) ..
+		'{\\fsp'..-filled..'}\xe2\x80\x8b{\\fsp0}'
+end
+
 function mt:option_text(opt, info)
 	local str = opt.name
 	local col = colour.option
@@ -235,11 +257,23 @@ function mt:option_text(opt, info)
 		str = col .. '[' .. str .. ']'
 	end
 
+	if opt.programme and opt.type == 'programme' and opt.active then
+		str = str .. ' ' .. self:draw_progress_bar(
+			opt.programme, colour.progress_bar_epg_fg,
+			colour.progress_bar_epg_bg)
+	end
+
 	local opt_info = opt.info
 	if opt_info and #opt_info > 0 then
 		str = str .. colour.info .. ' (' .. asscape(opt_info) .. ')'
 	end
 
+	if opt.programme and opt.type ~= 'programme' then
+		str = str .. ' ' .. self:draw_progress_bar(
+			opt.programme, colour.progress_bar_fg,
+			colour.progress_bar_bg)
+	end
+
 	return str
 end
 
@@ -631,7 +665,7 @@ function mt:redraw(state)
 	self.needs_redraw = false
 
 	if next_redraw ~= math.huge then
-		local d = math.max(0.1, next_redraw - os.time())
+		local d = math.min(10, math.max(0.1, next_redraw - os.time()))
 		self.redraw_timer = mp.add_timeout(d, function()
 			self:redraw(state)
 		end)
-- 
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