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101 lines
3.3 KiB
101 lines
3.3 KiB
-- SPDX-FileCopyrightText: 2023 jacqueline <me@jacqueline.id.au>
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--
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-- SPDX-License-Identifier: GPL-3.0-only
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-- Load fonts first, since they're parsed asynchronously and we can do much of
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-- the other UI setup in parallel.
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local font = require("font")
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-- require() everything else needed for the main menu + global bindings. Do
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-- this now instead of in init_ui because loading and parsing the scripts can
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-- take a while.
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local vol = require("volume")
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local theme = require("theme")
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local controls = require("controls")
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local time = require("time")
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local sd_card = require("sd_card")
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local backstack = require("backstack")
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local main_menu = require("main_menu")
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local function init_ui()
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-- Theme is set within init_ui because the theme needs fonts to be ready.
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-- Set the theme to the saved theme if available
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local saved_theme = theme.theme_filename()
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local res = theme.load_theme(saved_theme)
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if not res then
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-- Set a default theme (in case the saved theme does not load)
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local default_theme = require("theme_light")
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theme.set(default_theme)
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end
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local lock_time = time.ticks()
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-- Set up property bindings that are used across every screen.
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GLOBAL_BINDINGS = {
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-- Show an alert with the current volume whenever the volume changes
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vol.current_pct:bind(function(pct)
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require("alerts").show(function()
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local container = lvgl.Object(nil, {
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w = lvgl.PCT(80),
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h = lvgl.SIZE_CONTENT,
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flex = {
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flex_direction = "column",
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justify_content = "center",
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align_items = "center",
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align_content = "center",
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},
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radius = 8,
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pad_all = 2,
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})
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theme.set_subject(container, "pop_up")
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container:Label {
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text = string.format("Volume %i%%", pct),
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text_font = font.fusion_10
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}
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container:Bar {
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w = lvgl.PCT(100),
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h = 8,
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range = { min = 0, max = 100 },
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value = pct,
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}
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container:center()
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end)
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end),
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-- When the device has been locked for a while, default to showing the now
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-- playing screen after unlocking.
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controls.lock_switch:bind(function(locked)
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if locked then
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lock_time = time.ticks()
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collectgarbage()
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elseif time.ticks() - lock_time > 8000 then
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local queue = require("queue")
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if queue.size:get() > 0 then
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require("playing"):push_if_not_shown()
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end
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end
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end),
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controls.scheme:bind(function()
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-- Set up a shortcut for jumping straight to the 'now playing' screen.
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-- Implemented as a binding so that the shortcut is still applied even if
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-- the control scheme is changed at runtime.
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local hooks = controls.hooks()
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local input_method = hooks.wheel or hooks.dpad
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if input_method and input_method.right then
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input_method.right.long_press = function()
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require("playing"):push_if_not_shown()
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end
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end
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end),
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sd_card.mounted:bind(function(mounted)
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backstack.reset(main_menu:new())
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end),
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}
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end
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-- Wait for fonts to finish, then show the main menu.
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-- We could show an intermediary Lua-controlled splash/loading UI whilst we
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-- wait, but in practice loading the fonts takes only a few hundred ms longer
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-- than all the other UI init.
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font.on_loaded(function()
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init_ui()
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end)
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