2
0
mirror of https://github.com/koreader/koreader synced 2024-11-16 06:12:56 +00:00
koreader/frontend/ui/widget/naturallightwidget.lua
2020-06-13 01:56:36 +02:00

434 lines
14 KiB
Lua
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

local Blitbuffer = require("ffi/blitbuffer")
local Button = require("ui/widget/button")
local CenterContainer = require("ui/widget/container/centercontainer")
local Device = require("device")
local Font = require("ui/font")
local FrameContainer = require("ui/widget/container/framecontainer")
local Geom = require("ui/geometry")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local HorizontalSpan = require("ui/widget/horizontalspan")
local InputContainer = require("ui/widget/container/inputcontainer")
local InputText = require("ui/widget/inputtext")
local LineWidget = require("ui/widget/linewidget")
local OverlapGroup = require("ui/widget/overlapgroup")
local Size = require("ui/size")
local TextBoxWidget = require("ui/widget/textboxwidget")
local TextWidget = require("ui/widget/textwidget")
local UIManager = require("ui/uimanager")
local VerticalGroup = require("ui/widget/verticalgroup")
local VerticalSpan = require("ui/widget/verticalspan")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local _ = require("gettext")
local Screen = Device.screen
local NaturalLightWidget = InputContainer:new{
is_always_active = true,
title_face = Font:getFace("x_smalltfont"),
width = nil,
height = nil,
textbox_width = 0.1,
button_width = 0.07,
text_width = 0.3,
white_gain = nil,
white_offset = nil,
red_gain = nil,
red_offset = nil,
green_gain = nil,
green_offset = nil,
exponent = nil,
fl_widget = nil,
old_values = nil
}
function NaturalLightWidget:init()
self.medium_font_face = Font:getFace("ffont")
self.nl_bar = {}
self.screen_width = Screen:getWidth()
self.screen_height = Screen:getHeight()
self.span = math.ceil(self.screen_height * 0.01)
self.width = math.floor(self.screen_width * 0.95)
self.button_width = 0.08 * self.width
self.textbox_width = 0.1 * self.width
self.text_width = 0.2 * self.width
self.powerd = Device:getPowerDevice()
self:createFrame()
end
function NaturalLightWidget:applyValues()
self.powerd.fl.white_gain = self.white_gain[2]:getText()
self.powerd.fl.white_offset = self.white_offset[2]:getText()
self.powerd.fl.red_gain = self.red_gain[2]:getText()
self.powerd.fl.red_offset = self.red_offset[2]:getText()
self.powerd.fl.green_gain = self.green_gain[2]:getText()
self.powerd.fl.green_offset = self.green_offset[2]:getText()
self.powerd.fl.exponent = self.exponent[2]:getText()
self.powerd.fl:setNaturalBrightness()
end
-- Create an InputText with '-' and '+' button next to it. Tapping
-- those buttons will de/increase by 'step', and 'step/10' on hold.
function NaturalLightWidget:adaptableNumber(initial, step)
local minus_number_plus = HorizontalGroup:new{ align = "center" }
local input_text = InputText:new{
parent = self,
text = initial,
input_type = "number",
hint = "",
width = self.textbox_width,
enter_callback = function()
self:closeKeyboard()
self:applyValues()
UIManager:setDirty(self._current_input, "fast")
end
}
input_text:unfocus()
local button_minus = Button:new{
text = "",
margin = Size.margin.small,
radius = 0,
width = self.button_width,
show_parent = self,
callback = function()
self:closeKeyboard()
self:setValueTextBox(input_text, input_text:getText() - step)
self:applyValues()
end,
hold_callback = function()
self:closeKeyboard()
self:setValueTextBox(input_text, input_text:getText() - step/10.0)
self:applyValues()
end,
}
local button_plus = Button:new{
text = "+",
margin = Size.margin.small,
radius = 0,
width = self.button_width,
show_parent = self,
callback = function()
self:closeKeyboard()
self:setValueTextBox(input_text, input_text:getText() + step)
self:applyValues()
end,
hold_callback = function()
self:closeKeyboard()
self:setValueTextBox(input_text, input_text:getText() + step/10)
self:applyValues()
end,
}
table.insert(minus_number_plus, button_minus)
table.insert(minus_number_plus, input_text)
table.insert(minus_number_plus, button_plus)
return minus_number_plus
end
-- Get current values that are used in sysfs_light
function NaturalLightWidget:getCurrentValues()
return {white_gain =
self.powerd.fl.white_gain,
white_offset =
self.powerd.fl.white_offset,
red_gain =
self.powerd.fl.red_gain,
red_offset =
self.powerd.fl.red_offset,
green_gain =
self.powerd.fl.green_gain,
green_offset =
self.powerd.fl.green_offset,
exponent =
self.powerd.fl.exponent}
end
function NaturalLightWidget:createFrame()
self.nl_title = FrameContainer:new{
padding = Size.padding.default,
margin = Size.margin.title,
bordersize = 0,
TextWidget:new{
text = _("Natural light configuration"),
face = self.title_face,
bold = true,
width = math.floor(self.screen_width * 0.95),
},
}
local main_content = FrameContainer:new{
padding = Size.padding.button,
margin = Size.margin.small,
bordersize = 0,
self:createMainContent(math.floor(self.screen_width * 0.95),
math.floor(self.screen_height * 0.2))
}
local nl_line = LineWidget:new{
dimen = Geom:new{
w = self.width,
h = Size.line.thick,
}
}
self.nl_bar = OverlapGroup:new{
dimen = {
w = self.width,
h = self.nl_title:getSize().h
},
self.nl_title,
}
self.nl_frame = FrameContainer:new{
radius = Size.radius.window,
bordersize = Size.border.window,
padding = 0,
margin = 0,
background = Blitbuffer.COLOR_WHITE,
VerticalGroup:new{
align = "left",
self.nl_bar,
nl_line,
CenterContainer:new{
dimen = Geom:new{
w = nl_line:getSize().w,
h = main_content:getSize().h,
},
main_content,
},
}
}
self[1] = WidgetContainer:new{
align = "top",
dimen =Geom:new{
x = 0, y = 0,
w = self.screen_width,
h = self.screen_height,
},
FrameContainer:new{
bordersize = 0,
self.nl_frame,
}
}
end
function NaturalLightWidget:createMainContent(width, height)
self.fl_container = CenterContainer:new{
dimen = Geom:new{ w = width, h = height },
}
self.white_gain = self:adaptableNumber(self.powerd.fl.white_gain, 1)
self.white_offset = self:adaptableNumber(self.powerd.fl.white_offset, 1)
self.red_gain = self:adaptableNumber(self.powerd.fl.red_gain, 1)
self.red_offset = self:adaptableNumber(self.powerd.fl.red_offset, 1)
self.green_gain = self:adaptableNumber(self.powerd.fl.green_gain, 1)
self.green_offset = self:adaptableNumber(self.powerd.fl.green_offset, 1)
self.exponent = self:adaptableNumber(self.powerd.fl.exponent, 0.1)
local separator = HorizontalSpan:new{ width = Size.span.horizontal_default }
local vspan = VerticalSpan:new{ width = Size.span.vertical_large * 2}
local vertical_group = VerticalGroup:new{ align = "center" }
local title_group = HorizontalGroup:new{ align = "center" }
local white_group = HorizontalGroup:new{ align = "center" }
local red_group = HorizontalGroup:new{ align = "center" }
local green_group = HorizontalGroup:new{ align = "center" }
local exponent_group = HorizontalGroup:new{ align = "center" }
local button_group = HorizontalGroup:new{ align = "center" }
local text_gain = TextBoxWidget:new{
text = _("Amplification"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.textbox_width + 2 * self.button_width
}
local text_offset = TextBoxWidget:new{
text = _("Offset"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.textbox_width + self.button_width
}
local text_white = TextBoxWidget:new{
text = _("White"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.text_width
}
local text_red = TextBoxWidget:new{
text = _("Red"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.text_width
}
local text_green = TextBoxWidget:new{
text = _("Green"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.text_width
}
local text_exponent = TextBoxWidget:new{
text = _("Exponent"),
face = self.medium_font_face,
bold = true,
alignment = "left",
width = self.text_width
}
local button_defaults = Button:new{
text = "Restore Defaults",
margin = Size.margin.small,
radius = 0,
width = math.floor(self.width * 0.35),
show_parent = self,
callback = function()
self:setAllValues({white_gain = 25,
white_offset = -25,
red_gain = 24,
red_offset = 0,
green_gain = 24,
green_offset = -65,
exponent = 0.25})
end,
}
local button_cancel = Button:new{
text = "Cancel",
margin = Size.margin.small,
radius = 0,
width = math.floor(self.width * 0.2),
show_parent = self,
callback = function()
self:setAllValues(self.old_values)
self:onClose()
end,
}
local button_ok = Button:new{
text = "Save",
margin = Size.margin.small,
radius = 0,
width = math.floor(self.width * 0.2),
show_parent = self,
callback = function()
G_reader_settings:saveSetting("natural_light_config",
self:getCurrentValues())
self:onClose()
end,
}
table.insert(title_group, HorizontalSpan:new{
width = self.text_width + self.button_width
})
table.insert(title_group, text_gain)
table.insert(title_group, separator)
table.insert(title_group, HorizontalSpan:new{
width = self.button_width
})
table.insert(title_group, text_offset)
table.insert(white_group, text_white)
table.insert(white_group, self.white_gain)
table.insert(white_group, separator)
table.insert(white_group, self.white_offset)
table.insert(red_group, text_red)
table.insert(red_group, self.red_gain)
table.insert(red_group, separator)
table.insert(red_group, self.red_offset)
table.insert(green_group, text_green)
table.insert(green_group, self.green_gain)
table.insert(green_group, separator)
table.insert(green_group, self.green_offset)
table.insert(exponent_group, text_exponent)
table.insert(exponent_group, self.exponent)
table.insert(button_group, button_defaults)
table.insert(button_group, HorizontalSpan:new{
width = 0.05*self.width
})
table.insert(button_group, button_cancel)
table.insert(button_group, button_ok)
table.insert(vertical_group, title_group)
table.insert(vertical_group, white_group)
table.insert(vertical_group, red_group)
table.insert(vertical_group, green_group)
table.insert(vertical_group, vspan)
table.insert(vertical_group, exponent_group)
table.insert(vertical_group, vspan)
table.insert(vertical_group, button_group)
table.insert(self.fl_container, vertical_group)
-- Reset container height to what it actually contains
self.fl_container.dimen.h = vertical_group:getSize().h
UIManager:setDirty(self, "ui")
return self.fl_container
end
function NaturalLightWidget:setAllValues(values)
self:setValueTextBox(self.white_gain[2], values.white_gain)
self:setValueTextBox(self.white_offset[2], values.white_offset)
self:setValueTextBox(self.red_gain[2], values.red_gain)
self:setValueTextBox(self.red_offset[2], values.red_offset)
self:setValueTextBox(self.green_gain[2], values.green_gain)
self:setValueTextBox(self.green_offset[2], values.green_offset)
self:setValueTextBox(self.exponent[2], values.exponent)
self:applyValues()
end
function NaturalLightWidget:setValueTextBox(widget, val)
widget:focus()
widget:setText(val)
widget:unfocus()
end
function NaturalLightWidget:onCloseWidget()
self:closeKeyboard()
UIManager:setDirty(nil, function()
return "partial", self.nl_frame.dimen
end)
-- Tell frontlight widget that we're closed
self.fl_widget:naturalLightConfigClose()
return true
end
function NaturalLightWidget:onShow()
UIManager:setDirty(self, function()
return "ui", self.nl_frame.dimen
end)
-- Tell the frontlight widget that we're open
self.fl_widget:naturalLightConfigOpen()
-- Store values in case user cancels
self.old_values = self:getCurrentValues()
return true
end
function NaturalLightWidget:onClose()
UIManager:close(self)
return true
end
function NaturalLightWidget:onShowKeyboard()
if self._current_input then
self._current_input:onShowKeyboard()
self._current_input:focus()
end
end
function NaturalLightWidget:onCloseKeyboard()
if self._current_input then
self._current_input:onCloseKeyboard()
self._current_input:unfocus()
-- Make sure the cursor is deleted
UIManager:setDirty(self._current_input, "fast")
end
end
function NaturalLightWidget:onSwitchFocus(inputbox)
self:onCloseKeyboard()
self._current_input = inputbox
self:applyValues()
self:onShowKeyboard()
end
function NaturalLightWidget:closeKeyboard()
if self._current_input then
self._current_input:onCloseKeyboard()
self._current_input:unfocus()
end
end
return NaturalLightWidget