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koreader/plugins/autowarmth.koplugin/main.lua

907 lines
36 KiB
Lua

--[[--
Plugin for setting screen warmth based on the sun position and/or a time schedule
@module koplugin.autowarmth
--]]--
local Device = require("device")
local ConfirmBox = require("ui/widget/confirmbox")
local DateTimeWidget = require("ui/widget/datetimewidget")
local DoubleSpinWidget = require("/ui/widget/doublespinwidget")
local DeviceListener = require("device/devicelistener")
local Dispatcher = require("dispatcher")
local FFIUtil = require("ffi/util")
local InfoMessage = require("ui/widget/infomessage")
local InputDialog = require("ui/widget/inputdialog")
local Font = require("ui/font")
local Notification = require("ui/widget/notification")
local SpinWidget = require("ui/widget/spinwidget")
local SunTime = require("suntime")
local TextWidget = require("ui/widget/textwidget")
local UIManager = require("ui/uimanager")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local _ = require("gettext")
local T = FFIUtil.template
local Screen = require("device").screen
local util = require("util")
local activate_sun = 1
local activate_schedule = 2
local activate_closer_noon = 3
local activate_closer_midnight = 4
local midnight_index = 11
local device_max_warmth = Device:hasNaturalLight() and Device.powerd.fl_warmth_max or 100
local device_warmth_fit_scale = device_max_warmth / 100
local function frac(x)
return x - math.floor(x)
end
local AutoWarmth = WidgetContainer:new{
name = "autowarmth",
sched_times = {},
sched_funcs = {}, -- necessary for unschedule, function, warmth
}
-- get timezone offset in hours (including dst)
function AutoWarmth:getTimezoneOffset()
local utcdate = os.date("!*t")
local localdate = os.date("*t")
return os.difftime(os.time(localdate), os.time(utcdate))/3600
end
function AutoWarmth:init()
self:onDispatcherRegisterActions()
self.ui.menu:registerToMainMenu(self)
self.easy_mode = G_reader_settings:nilOrTrue("autowarmth_easy_mode")
self.activate = G_reader_settings:readSetting("autowarmth_activate") or 0
self.location = G_reader_settings:readSetting("autowarmth_location") or "Geysir"
self.latitude = G_reader_settings:readSetting("autowarmth_latitude") or 64.31 --great Geysir in Iceland
self.longitude = G_reader_settings:readSetting("autowarmth_longitude") or -20.30
self.altitude = G_reader_settings:readSetting("autowarmth_altitude") or 200
self.timezone = G_reader_settings:readSetting("autowarmth_timezone") or 0
self.scheduler_times = G_reader_settings:readSetting("autowarmth_scheduler_times") or
{0.0, 5.5, 6.0, 6.5, 7.0, 13.0, 21.5, 22.0, 22.5, 23.0, 24.0}
self.warmth = G_reader_settings:readSetting("autowarmth_warmth")
or { 90, 90, 80, 60, 20, 20, 20, 60, 80, 90, 90}
-- schedule recalculation shortly afer midnight
self:scheduleMidnightUpdate()
end
function AutoWarmth:onDispatcherRegisterActions()
Dispatcher:registerAction("show_ephemeris",
{category="none", event="ShowEphemeris", title=_("Show ephemeris"), general=true})
Dispatcher:registerAction("auto_warmth_off",
{category="none", event="AutoWarmthOff", title=_("Auto warmth off"), screen=true})
Dispatcher:registerAction("auto_warmth_cycle_trough",
{category="none", event="AutoWarmthMode", title=_("Auto warmth cycle through modes"), screen=true})
end
function AutoWarmth:onShowEphemeris()
self:showTimesInfo(_("Information about the sun in"), true, activate_sun, false)
end
function AutoWarmth:onAutoWarmthOff()
self.activate = 0
G_reader_settings:saveSetting("autowarmth_activate", self.activate)
Notification:notify(_("Auto warmth turned off"))
self:scheduleMidnightUpdate()
end
function AutoWarmth:onAutoWarmthMode()
if self.activate > 0 then
self.activate = self.activate - 1
else
self.activate = activate_closer_midnight
end
local notify_text
if self.activate == 0 then
notify_text = _("Auto warmth turned off")
elseif self.activate == activate_sun then
notify_text = _("Auto warmth use sun position")
elseif self.activate == activate_schedule then
notify_text = _("Auto warmth use schedule")
elseif self.activate == activate_closer_midnight then
notify_text = _("Auto warmth use whatever is closer to midnight")
elseif self.activate == activate_closer_noon then
notify_text = _("Auto warmth use whatever is closer to noon")
end
G_reader_settings:saveSetting("autowarmth_activate", self.activate)
Notification:notify(notify_text)
self:scheduleMidnightUpdate()
end
function AutoWarmth:onResume()
if self.activate == 0 then return end
local resume_date = os.date("*t")
-- check if resume and suspend are done on the same day
if resume_date.day == SunTime.date.day and resume_date.month == SunTime.date.month
and resume_date.year == SunTime.date.year then
local now = SunTime:getTimeInSec(resume_date)
self:scheduleWarmthChanges(now)
else
self:scheduleMidnightUpdate() -- resume is on the other day, do all calcs again
end
end
-- wrapper for unscheduling, so that only our setWarmth gets unscheduled
function AutoWarmth.setWarmth(val)
if val then
if val > 100 then
DeviceListener:onSetNightMode(true)
else
DeviceListener:onSetNightMode(false)
end
if Device:hasNaturalLight() then
val = math.min(val, 100)
Device.powerd:setWarmth(val)
end
end
end
function AutoWarmth:scheduleMidnightUpdate()
-- first unschedule all old functions
UIManager:unschedule(self.scheduleMidnightUpdate) -- when called from menu or resume
SunTime:setPosition(self.location, self.latitude, self.longitude,
self.timezone, self.altitude, true)
SunTime:setAdvanced()
SunTime:setDate() -- today
SunTime:calculateTimes()
self.sched_times = {}
self.sched_funcs = {}
local function prepareSchedule(times, index1, index2)
local time1 = times[index1]
if not time1 then return end
local time = SunTime:getTimeInSec(time1)
table.insert(self.sched_times, time)
table.insert(self.sched_funcs, {AutoWarmth.setWarmth, self.warmth[index1]})
local time2 = times[index2]
if not time2 then return end -- to near to the pole
local warmth_diff = math.min(self.warmth[index2], 100) - math.min(self.warmth[index1], 100)
if warmth_diff ~= 0 then
local time_diff = SunTime:getTimeInSec(time2) - time
local delta_t = time_diff / math.abs(warmth_diff) -- can be inf, no problem
local delta_w = warmth_diff > 0 and 1 or -1
for i = 1, math.abs(warmth_diff)-1 do
local next_warmth = math.min(self.warmth[index1], 100) + delta_w * i
-- only apply warmth for steps the hardware has (e.g. Tolino has 0-10 hw steps
-- which map to warmth 0, 10, 20, 30 ... 100)
if frac(next_warmth * device_warmth_fit_scale) == 0 then
table.insert(self.sched_times, time + delta_t * i)
table.insert(self.sched_funcs, {self.setWarmth,
math.floor(math.min(self.warmth[index1], 100) + delta_w * i)})
end
end
end
end
if self.activate == activate_sun then
self.current_times = {unpack(SunTime.times, 1, midnight_index)}
elseif self.activate == activate_schedule then
self.current_times = {unpack(self.scheduler_times, 1, midnight_index)}
else
self.current_times = {unpack(SunTime.times, 1, midnight_index)}
if self.activate == activate_closer_noon then
for i = 1, midnight_index do
if not self.current_times[i] then
self.current_times[i] = self.scheduler_times[i]
elseif self.scheduler_times[i] and
math.abs(self.current_times[i]%24 - 12) > math.abs(self.scheduler_times[i]%24 - 12) then
self.current_times[i] = self.scheduler_times[i]
end
end
else -- activate_closer_midnight
for i = 1, midnight_index do
if not self.current_times[i] then
self.current_times[i] = self.scheduler_times[i]
elseif self.scheduler_times[i] and
math.abs(self.current_times[i]%24 - 12) < math.abs(self.scheduler_times[i]%24 - 12) then
self.current_times[i] = self.scheduler_times[i]
end
end
end
end
if self.easy_mode then
self.current_times[1] = nil
self.current_times[2] = nil
self.current_times[3] = nil
self.current_times[6] = nil
self.current_times[9] = nil
self.current_times[10] = nil
self.current_times[11] = nil
end
-- here are dragons
local i = 1
-- find first valid entry
while not self.current_times[i] and i <= midnight_index do
i = i + 1
end
local next
while i <= midnight_index do
next = i + 1
-- find next valid entry
while not self.current_times[next] and next <= midnight_index do
next = next + 1
end
prepareSchedule(self.current_times, i, next)
i = next
end
local now = SunTime:getTimeInSec()
-- reschedule 5sec after midnight
UIManager:scheduleIn(24*3600 + 5 - now, self.scheduleMidnightUpdate, self )
self:scheduleWarmthChanges(now)
end
function AutoWarmth:scheduleWarmthChanges(time)
for i = 1, #self.sched_funcs do -- loop not essential, as unschedule unschedules all functions at once
if not UIManager:unschedule(self.sched_funcs[i][1]) then
break
end
end
UIManager:unschedule(AutoWarmth.setWarmth) -- to be safe, if there are no scheduled entries
if self.activate == 0 then return end
if #self.sched_funcs == 0 then return end
-- `actual_warmth` is the value which should be applied now.
-- `next_warmth` is valid `delay_time` seconds after now for resume on some devices (KA1)
-- Most of the times this will be the same as `actual_warmth`.
-- We need both, as we could have a very rapid change in warmth (depending on user settings)
-- or by chance a change in warmth very shortly after (a few ms) resume time.
local delay_time = 1.5
-- Use the last warmth value, so that we have a valid value when resuming after 24:00 but
-- before true midnight. OK, this value is actually not quite the right one, as it is calculated
-- for the current day (and not the previous one), but this is for a corner case
-- and the error is small.
local actual_warmth = self.sched_funcs[#self.sched_funcs][2]
local next_warmth = actual_warmth
for i = 1, #self.sched_funcs do
if self.sched_times[i] <= time then
actual_warmth = self.sched_funcs[i][2] or actual_warmth
else
UIManager:scheduleIn(self.sched_times[i] - time,
self.sched_funcs[i][1], self.sched_funcs[i][2])
end
if self.sched_times[i] <= time + delay_time then
next_warmth = self.sched_funcs[i][2] or next_warmth
end
end
-- update current warmth immediately
self.setWarmth(actual_warmth)
-- On some strange devices like KA1 the above doesn't work right after a resume so
-- schedule setting of another valid warmth (=`next_warmth`) again (one time).
-- On sane devices this schedule does no harm.
-- see https://github.com/koreader/koreader/issues/8363
UIManager:scheduleIn(delay_time, self.setWarmth, next_warmth)
end
function AutoWarmth:hoursToClock(hours)
if hours then
hours = hours % 24 * 3600 + 0.01 -- round up, due to reduced precision in settings.reader.lua
end
return util.secondsToClock(hours, self.easy_mode)
end
function AutoWarmth:addToMainMenu(menu_items)
menu_items.autowarmth = {
text = Device:hasNaturalLight() and _("Auto warmth and night mode")
or _("Auto night mode"),
checked_func = function() return self.activate ~= 0 end,
sub_item_table_func = function()
return self:getSubMenuItems()
end,
}
end
local function tidy_menu(menu, request)
for i = #menu, 1, -1 do
if menu[i].mode ~=nil then
if menu[i].mode ~= request then
table.remove(menu,i)
else
menu[i].mode = nil
end
end
end
return menu
end
local about_text = _([[Set the frontlight warmth (if available) and night mode based on a time schedule or the sun's position.
There are three types of twilight:
• Civil: You can read a newspaper
• Nautical: You can see the first stars
• Astronomical: It is really dark
Custom warmth values can be set for every kind of twilight and sunrise, noon, sunset and midnight.
The screen warmth is continuously adjusted to the current time.
To use the sun's position, a geographical location must be entered. The calculations are very precise, with a deviation less than minute and a half.]])
function AutoWarmth:getSubMenuItems()
return {
{
text = Device:hasNaturalLight() and _("About auto warmth and night mode")
or _("About auto night mode"),
callback = function()
UIManager:show(InfoMessage:new{
text = about_text,
width = math.floor(Screen:getWidth() * 0.9),
})
end,
keep_menu_open = true,
separator = true,
},
{
text = _("Activate"),
checked_func = function()
return self.activate ~= 0
end,
sub_item_table = self:getActivateMenu(),
},
{
text = _("Expert mode"),
checked_func = function()
return not self.easy_mode
end,
help_text = _("In the expert mode, different types of twilight can be used in addition to civil twilight."),
callback = function(touchmenu_instance)
self.easy_mode = not self.easy_mode
G_reader_settings:saveSetting("autowarmth_easy_mode", self.easy_mode)
self:scheduleMidnightUpdate()
touchmenu_instance.item_table = self:getSubMenuItems()
touchmenu_instance:updateItems()
end,
keep_menu_open = true,
},
{
text = _("Location settings"),
sub_item_table = self:getLocationMenu(),
},
{
text = _("Fixed schedule settings"),
enabled_func = function()
return self.activate ~= activate_sun and self.activate ~=0
end,
sub_item_table = self:getScheduleMenu(),
},
{
enabled_func = function()
return self.activate ~=0
end,
text = Device:hasNaturalLight() and _("Warmth and night mode settings")
or _("Night mode settings"),
sub_item_table = self:getWarmthMenu(),
separator = true,
},
self:getTimesMenu(_("Currently active parameters")),
self:getTimesMenu(_("Sun position information for"), true, activate_sun),
self:getTimesMenu(_("Fixed schedule information"), false, activate_schedule),
}
end
function AutoWarmth:getActivateMenu()
local function getActivateMenuEntry(text, help_text, activator)
return {
text = text,
help_text = help_text,
checked_func = function() return self.activate == activator end,
callback = function()
if self.activate ~= activator then
self.activate = activator
else
self.activate = 0
end
G_reader_settings:saveSetting("autowarmth_activate", self.activate)
self:scheduleMidnightUpdate()
end,
}
end
return {
getActivateMenuEntry(_("According to the sun's position"),
_("Only use the times calculated from the position of the sun."),
activate_sun),
getActivateMenuEntry(_("According to the fixed schedule"),
_("Only use the times from the fixed schedule."),
activate_schedule),
getActivateMenuEntry(_("Whatever is closer to noon"),
_("Use the times from the sun position or schedule that are closer to noon."),
activate_closer_noon),
getActivateMenuEntry(_("Whatever is closer to midnight"),
_("Use the times from the sun position or schedule that are closer to midnight."),
activate_closer_midnight),
}
end
function AutoWarmth:getLocationMenu()
return {{
text_func = function()
if self.location ~= "" then
return T(_("Location: %1"), self.location)
else
return _("Location")
end
end,
callback = function(touchmenu_instance)
local location_name_dialog
location_name_dialog = InputDialog:new{
title = _("Location name"),
input = self.location,
buttons = {
{
{
text = _("Cancel"),
callback = function()
UIManager:close(location_name_dialog)
end,
},
{
text = _("OK"),
callback = function()
self.location = location_name_dialog:getInputText()
G_reader_settings:saveSetting("autowarmth_location",
self.location)
UIManager:close(location_name_dialog)
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
},
}}
}
UIManager:show(location_name_dialog)
location_name_dialog:onShowKeyboard()
end,
keep_menu_open = true,
},
{
text_func = function()
return T(_("Coordinates: (%1, %2)"), self.latitude, self.longitude)
end,
callback = function(touchmenu_instance)
local location_widget = DoubleSpinWidget:new{
title_text = _("Set location"),
info_text = _("Enter decimal degrees, northern hemisphere and eastern length are '+'."),
left_text = _("Latitude"),
left_value = self.latitude,
left_min = -90,
left_max = 90,
left_step = 0.1,
left_hold_step = 5,
left_precision = "%0.2f",
right_text = _("Longitude"),
right_value = self.longitude,
right_min = -180,
right_max = 180,
right_step = 0.1,
right_hold_step = 5,
right_precision = "%0.2f",
callback = function(lat, long)
self.latitude = lat
self.longitude = long
self.timezone = self:getTimezoneOffset() -- use timezone of device
G_reader_settings:saveSetting("autowarmth_latitude", self.latitude)
G_reader_settings:saveSetting("autowarmth_longitude", self.longitude)
G_reader_settings:saveSetting("autowarmth_timezone", self.timezone)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
}
UIManager:show(location_widget)
end,
keep_menu_open = true,
},
{
text_func = function()
return T(_("Altitude: %1m"), self.altitude)
end,
callback = function(touchmenu_instance)
UIManager:show(SpinWidget:new{
title_text = _("Altitude"),
info_text = _("Enter the altitude in meters above sea level."),
value = self.altitude,
value_min = -100,
value_max = 15000, -- intercontinental flight
wrap = false,
value_step = 10,
value_hold_step = 100,
ok_text = _("Set"),
callback = function(spin)
self.altitude = spin.value
G_reader_settings:saveSetting("autowarmth_altitude", self.altitude)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
extra_text = _("Default"),
extra_callback = function()
self.altitude = 200
G_reader_settings:saveSetting("autowarmth_altitude", self.altitude)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
})
end,
keep_menu_open = true,
}}
end
function AutoWarmth:getScheduleMenu()
local function store_times(touchmenu_instance, new_time, num)
self.scheduler_times[num] = new_time
if num == 1 then
if new_time then
self.scheduler_times[midnight_index]
= new_time + 24 -- next day
else
self.scheduler_times[midnight_index] = nil
end
end
G_reader_settings:saveSetting("autowarmth_scheduler_times",
self.scheduler_times)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end
-- mode == nil ... show alway
-- == true ... easy mode
-- == false ... expert mode
local function getScheduleMenuEntry(text, num, mode)
return {
mode = mode,
text_func = function()
return T(_"%1: %2", text,
self:hoursToClock(self.scheduler_times[num]))
end,
checked_func = function()
return self.scheduler_times[num] ~= nil
end,
callback = function(touchmenu_instance)
local hh = 12
local mm = 0
if self.scheduler_times[num] then
hh = math.floor(self.scheduler_times[num])
mm = math.floor(frac(self.scheduler_times[num]) * 60 + 0.5)
end
UIManager:show(DateTimeWidget:new{
title_text = _("Set time"),
info_text = _("Enter time in hours and minutes."),
is_date = false,
hour = hh,
min = mm,
ok_text = _("Set time"),
callback = function(time)
local new_time = time.hour + time.min / 60
local function get_valid_time(n, dir)
for i = n+dir, dir > 0 and midnight_index or 1, dir do
if self.scheduler_times[i] then
return self.scheduler_times[i]
end
end
return dir > 0 and 0 or 26
end
if num > 1 and new_time < get_valid_time(num, -1) then
UIManager:show(ConfirmBox:new{
text = _("This time is before the previous time.\nAdjust the previous time?"),
ok_callback = function()
for i = num-1, 1, -1 do
if self.scheduler_times[i] then
if new_time < self.scheduler_times[i] then
self.scheduler_times[i] = new_time
else
break
end
end
end
store_times(touchmenu_instance, new_time, num)
end,
})
elseif num < 10 and new_time > get_valid_time(num, 1) then
UIManager:show(ConfirmBox:new{
text = _("This time is after the subsequent time.\nAdjust the subsequent time?"),
ok_callback = function()
for i = num + 1, midnight_index - 1 do
if self.scheduler_times[i] then
if new_time > self.scheduler_times[i] then
self.scheduler_times[i] = new_time
else
break
end
end
end
store_times(touchmenu_instance, new_time, num)
end,
})
else
store_times(touchmenu_instance, new_time, num)
end
end,
extra_text = _("Invalidate"),
extra_callback = function()
store_times(touchmenu_instance, nil, num)
end,
})
end,
keep_menu_open = true,
}
end
local retval = {
getScheduleMenuEntry(_("Solar midnight"), 1, false ),
getScheduleMenuEntry(_("Astronomical dawn"), 2, false),
getScheduleMenuEntry(_("Nautical dawn"), 3, false),
getScheduleMenuEntry(_("Civil dawn"), 4),
getScheduleMenuEntry(_("Sunrise"), 5),
getScheduleMenuEntry(_("Solar noon"), 6, false),
getScheduleMenuEntry(_("Sunset"), 7),
getScheduleMenuEntry(_("Civil dusk"), 8),
getScheduleMenuEntry(_("Nautical dusk"), 9, false),
getScheduleMenuEntry(_("Astronomical dusk"), 10, false),
}
return tidy_menu(retval, self.easy_mode)
end
function AutoWarmth:getWarmthMenu()
-- mode == nil ... show alway
-- == true ... easy mode
-- == false ... expert mode
local function getWarmthMenuEntry(text, num, mode)
return {
mode = mode,
text_func = function()
if Device:hasNaturalLight() then
if self.warmth[num] <= 100 then
return T(_("%1: %2%"), text, self.warmth[num])
else
return T(_("%1: 100% + ☾"), text)
end
else
if self.warmth[num] <= 100 then
return T(_("%1: ☼"), text)
else
return T(_("%1: ☾"), text)
end
end
end,
callback = function(touchmenu_instance)
if Device:hasNaturalLight() then
UIManager:show(SpinWidget:new{
title_text = text,
info_text = _("Enter percentage of warmth."),
value = self.warmth[num],
value_min = 0,
value_max = 100,
wrap = false,
value_step = math.floor(100 / device_max_warmth),
value_hold_step = 10,
ok_text = _("Set"),
callback = function(spin)
self.warmth[num] = spin.value
self.warmth[#self.warmth - num + 1] = spin.value
G_reader_settings:saveSetting("autowarmth_warmth", self.warmth)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
extra_text = _("Use night mode"),
extra_callback = function()
self.warmth[num] = 110
self.warmth[#self.warmth - num + 1] = 110
G_reader_settings:saveSetting("autowarmth_warmth", self.warmth)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
})
else
UIManager:show(ConfirmBox:new{
text = _("Nightmode"),
ok_text = _("Set"),
ok_callback = function()
self.warmth[num] = 110
self.warmth[#self.warmth - num + 1] = 110
G_reader_settings:saveSetting("autowarmth_warmth", self.warmth)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
cancel_text = _("Unset"),
cancel_callback = function()
self.warmth[num] = 0
self.warmth[#self.warmth - num + 1] = 0
G_reader_settings:saveSetting("autowarmth_warmth", self.warmth)
self:scheduleMidnightUpdate()
if touchmenu_instance then touchmenu_instance:updateItems() end
end,
other_buttons = {{
{
text = _("Cancel"),
}
}},
})
end
end,
keep_menu_open = true,
}
end
local retval = {
{
text = Device:hasNaturalLight() and _("Set warmth and night mode for:")
or _("Set night mode for:"),
enabled_func = function() return false end,
},
getWarmthMenuEntry(_("Solar noon"), 6, false),
getWarmthMenuEntry(_("Sunset and sunrise"), 5),
getWarmthMenuEntry(_("Darkest time of civil twilight"), 4),
getWarmthMenuEntry(_("Darkest time of nautical twilight"), 3, false),
getWarmthMenuEntry(_("Darkest time of astronomical twilight"), 2, false),
getWarmthMenuEntry(_("Solar midnight"), 1, false),
}
return tidy_menu(retval, self.easy_mode)
end
-- title
-- location: add a location string
-- activator: nil .. current_times,
-- activate_sun .. sun times
-- activate_schedule .. scheduler times
-- request_easy: true if easy_mode should be used
function AutoWarmth:showTimesInfo(title, location, activator, request_easy)
local times
if not activator then
times = self.current_times
elseif activator == activate_sun then
times = SunTime.times
elseif activator == activate_schedule then
times = self.scheduler_times
end
-- text to show
-- t .. times
-- num .. index in times
local function info_line(indent, text, t, num, face, easy)
-- get width of space
local unit = " "
local tmp = TextWidget:new{
text = unit,
face = face,
}
local space_w = tmp:getSize().w
-- get width of text
unit = text
tmp = TextWidget:new{
text = unit,
face = face,
}
local text_w = tmp:getSize().w
tmp:free()
-- width of text in spaces
local str_len = math.floor(text_w / space_w + 0.5)
local tab_width = 18 - indent
local retval = string.rep(" ", indent) .. text .. string.rep(" ", tab_width - str_len)
.. self:hoursToClock(t[num])
if easy then
if t[num] and self.current_times[num] and self.current_times[num] ~= t[num] then
return text .. "\n"
else
return ""
end
end
if not t[num] then -- entry deactivated
return retval .. "\n"
elseif Device:hasNaturalLight() then
if self.current_times[num] == t[num] then
if self.warmth[num] <= 100 then
return retval .. " (💡" .. self.warmth[num] .."%)\n"
else
return retval .. " (💡100% + ☾)\n"
end
else
return retval .. "\n"
end
else
if self.current_times[num] == t[num] then
if self.warmth[num] <= 100 then
return retval .. " (☼)\n"
else
return retval .. " (☾)\n"
end
else
return retval .. "\n"
end
end
end
local location_string = ""
if location then
location_string = " " .. self:getLocationString()
end
local function add_line(text, easy)
return easy and "" or (" " .. text .. "\n")
end
local face = Font:getFace("scfont")
UIManager:show(InfoMessage:new{
face = face,
width = math.floor(Screen:getWidth() * (self.easy_mode and 0.75 or 0.90)),
text = title .. location_string .. ":\n\n" ..
info_line(0, _("Solar midnight:"), times, 1, face, request_easy) ..
add_line(_("Dawn"), request_easy) ..
info_line(4, _("Astronomic:"), times, 2, face, request_easy) ..
info_line(4, _("Nautical:"), times, 3, face, request_easy)..
info_line(request_easy and 0 or 4,
request_easy and _("Twilight:") or _("Civil:"), times, 4, face) ..
add_line(_("Dawn"), request_easy) ..
info_line(0, _("Sunrise:"), times, 5, face) ..
"\n" ..
info_line(0, _("Solar noon:"), times, 6, face, request_easy) ..
add_line("", request_easy) ..
info_line(0, _("Sunset:"), times, 7, face) ..
add_line(_("Dusk"), request_easy) ..
info_line(request_easy and 0 or 4,
request_easy and _("Twilight:") or _("Civil:"), times, 8, face) ..
info_line(4, _("Nautical:"), times, 9, face, request_easy) ..
info_line(4, _("Astronomic:"), times, 10, face, request_easy) ..
add_line(_("Dusk"), request_easy) ..
info_line(0, _("Solar midnight:"), times, midnight_index, face, request_easy)
})
end
-- title
-- location: add a location string
-- activator: nil .. current_times,
-- activate_sun .. sun times
-- activate_schedule .. scheduler times
function AutoWarmth:getTimesMenu(title, location, activator)
return {
enabled_func = function()
-- always show sun position times so you can see ephemeris
return self.activate ~= 0 and (self.activate ~= activate_sun or activator == nil)
or activator == activate_sun
end,
text_func = function()
if location then
return title .. " " .. self:getLocationString()
end
return title
end,
callback = function()
self:showTimesInfo(title, location, activator, self.easy_mode)
end,
keep_menu_open = true,
}
end
function AutoWarmth:getLocationString()
if self.location ~= "" then
return self.location
else
return "(" .. self.latitude .. "," .. self.longitude .. ")"
end
end
return AutoWarmth