Fork of Tangara with customizations
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tangara-fw/lua/track_info.lua

87 lines
2.6 KiB

local backstack = require("backstack")
local font = require("font")
local lvgl = require("lvgl")
local playback = require("playback")
local screen = require("screen")
local widgets = require("widgets")
return screen:new {
create_ui = function(self)
self.root = lvgl.Object(nil, {
flex = {
flex_direction = "column",
flex_wrap = "wrap",
justify_content = "center",
align_items = "center",
align_content = "center",
},
w = lvgl.HOR_RES(),
h = lvgl.VER_RES(),
})
self.root:center()
self.status_bar = widgets.StatusBar(self, {
back_cb = backstack.pop,
transparent_bg = true,
})
local info = lvgl.List(self.root, {
w = lvgl.PCT(100),
h = lvgl.PCT(100),
flex_grow = 1,
})
-- Use buttons so we can scroll through the list, and labels so we can
-- change the text as the track changes.
local label = function(text)
local b = info:add_btn(nil, "")
local ret = b:Label {
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
text = text,
text_font = font.fusion_10,
text_align = 1, -- left
}
return ret
end
local album_artist = label("Loading...")
local genre = label("")
local disc = label("")
local tracknum = label("")
local encoding = label("")
local bitrate_kbps = label("")
local sample_rate = label("")
local num_channels = label("")
local bits_per_sample = label("")
local path = label("")
self.bindings = self.bindings + {
playback.track:bind(function(track)
if not track then
return
end
-- Genres are stored in a table of (genre, bool) pairs
local function genres(tbl)
local all = {}
for item,_ in pairs(tbl) do
table.insert(all, item)
end
return table.concat(all, ", ")
end
album_artist:set { text = "Album artist: " .. (track.album_artist or "") }
genre:set { text = "Genre: " .. (track.genre and genres(track.genre) or "") }
disc:set { text = "Disc: " .. (track.disc or "") }
tracknum:set { text = "Track: " .. (track.track or "") }
encoding:set { text = "Encoding: " .. (track.encoding or "") }
bitrate_kbps:set { text = "Bitrate (kbps): " .. (track.bitrate_kbps or "") }
sample_rate:set { text = "Sample rate: " .. (track.sample_rate or "") }
num_channels:set { text = "Channels: " .. (track.num_channels or "") }
bits_per_sample:set { text = "Bits per sample: " .. (track.bits_per_sample or "") }
path:set { text = "Path: " .. (track.uri or "") }
end),
}
end,
}