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koreader/frontend/ui/widget/virtualkeyboard.lua
2014-08-24 10:08:18 +02:00

325 lines
13 KiB
Lua
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local InputContainer = require("ui/widget/container/inputcontainer")
local FrameContainer = require("ui/widget/container/framecontainer")
local CenterContainer = require("ui/widget/container/centercontainer")
local BottomContainer = require("ui/widget/container/bottomcontainer")
local HorizontalSpan = require("ui/widget/horizontalspan")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local VerticalSpan = require("ui/widget/verticalspan")
local VerticalGroup = require("ui/widget/verticalgroup")
local ImageWidget = require("ui/widget/imagewidget")
local TextWidget = require("ui/widget/textwidget")
local Font = require("ui/font")
local Geom = require("ui/geometry")
local Screen = require("ui/screen")
local Device = require("ui/device")
local GestureRange = require("ui/gesturerange")
local UIManager = require("ui/uimanager")
local DEBUG = require("dbg")
local VirtualKey = InputContainer:new{
key = nil,
icon = nil,
label = nil,
keyboard = nil,
callback = nil,
width = nil,
height = nil,
bordersize = 2,
face = Font:getFace("infont", 22),
}
function VirtualKey:init()
if self.label == "Sym" or self.label == "ABC" then
self.callback = function () self.keyboard:setLayout(self.key or self.label) end
elseif self.label == "Shift" then
self.callback = function () self.keyboard:setLayout(self.key or self.label) end
elseif self.label == "IM" then
self.callback = function () self.keyboard:setLayout(self.key or self.label) end
elseif self.label == "Äéß" then
self.callback = function () self.keyboard:setLayout(self.key or self.label) end
elseif self.label == "Backspace" then
self.callback = function () self.keyboard:delChar() end
self.hold_callback = function () self.keyboard:clear() end
else
self.callback = function () self.keyboard:addChar(self.key) end
end
local label_widget = nil
if self.icon then
label_widget = ImageWidget:new{
file = self.icon,
}
else
label_widget = TextWidget:new{
text = self.label,
face = self.face,
}
end
self[1] = FrameContainer:new{
margin = 0,
bordersize = self.bordersize,
background = 0,
radius = 5,
padding = 0,
CenterContainer:new{
dimen = Geom:new{
w = self.width - 2*self.bordersize,
h = self.height - 2*self.bordersize,
},
label_widget,
},
}
self.dimen = Geom:new{
w = self.width,
h = self.height,
}
--self.dimen = self[1]:getSize()
if Device:isTouchDevice() then
self.ges_events = {
TapSelect = {
GestureRange:new{
ges = "tap",
range = self.dimen,
},
},
HoldSelect = {
GestureRange:new{
ges = "hold",
range = self.dimen,
},
},
}
end
end
function VirtualKey:onTapSelect()
self[1].invert = true
if self.callback then
self.callback()
end
UIManager:scheduleIn(0.02, function() self:invert(false) end)
return true
end
function VirtualKey:onHoldSelect()
self[1].invert = true
if self.hold_callback then
self.hold_callback()
end
UIManager:scheduleIn(0.5, function() self:invert(false) end)
return true
end
function VirtualKey:invert(invert)
self[1].invert = invert
UIManager:setDirty(self.keyboard, "partial")
end
local VirtualKeyboard = InputContainer:new{
is_always_active = true,
disable_double_tap = true,
inputbox = nil,
KEYS = {}, -- table to store layouts
min_layout = 2,
max_layout = 12,
layout = 2,
shiftmode = false,
symbolmode = false,
utf8mode = false,
umlautmode = false,
width = 600,
height = 256,
bordersize = 2,
padding = 2,
key_padding = Screen:scaleByDPI(6),
}
function VirtualKeyboard:init()
self.KEYS = {
-- first row
{ -- 1 2 3 4 5 6 7 8 9 10 11 12
{ "Q", "q", "1", "!", "Я", "я", "1", "!", "Ä", "ä", "1", "ª", },
{ "W", "w", "2", "?", "Ж", "ж", "2", "?", "Ö", "ö", "2", "º", },
{ "E", "e", "3", "|", "Е", "е", "3", "«", "Ü", "ü", "3", "¡", },
{ "R", "r", "4", "#", "Р", "р", "4", "»", "ß", "ß", "4", "¿", },
{ "T", "t", "5", "@", "Т", "т", "5", ":", "À", "à", "5", "¼", },
{ "Y", "y", "6", "", "Ы", "ы", "6", ";", "Â", "â", "6", "½", },
{ "U", "u", "7", "'", "У", "у", "7", "~", "Æ", "æ", "7", "¾", },
{ "I", "i", "8", "`", "И", "и", "8", "(", "Ç", "ç", "8", "©", },
{ "O", "o", "9", ":", "О", "о", "9", ")", "È", "è", "9", "®", },
{ "P", "p", "0", ";", "П", "п", "0", "=", "É", "é", "0", "", },
},
-- second raw
{ -- 1 2 3 4 5 6 7 8 9 10 11 12
{ "A", "a", "+", "", "А", "а", "Ш", "ш", "Ê", "ê", "Ş", "ş", },
{ "S", "s", "-", "_", "С", "с", "Ѕ", "ѕ", "Ë", "ë", "İ", "ı", },
{ "D", "d", "*", "=", "Д", "д", "Э", "э", "Î", "î", "Ğ", "ğ", },
{ "F", "f", "/", "\\", "Ф", "ф", "Ю", "ю", "Ï", "ï", "Ć", "ć", },
{ "G", "g", "%", "", "Г", "г", "Ґ", "ґ", "Ô", "ô", "Č", "č", },
{ "H", "h", "^", "", "Ч", "ч", "Ј", "ј", "Œ", "œ", "Đ", "đ", },
{ "J", "j", "<", "", "Й", "й", "І", "і", "Ù", "ù", "Š", "š", },
{ "K", "k", "=", "\"", "К", "к", "Ќ", "ќ", "Û", "û", "Ž", "ž", },
{ "L", "l", ">", "~", "Л", "л", "Љ", "љ", "Ÿ", "ÿ", "Ő", "ő", },
},
-- third raw
{ -- 1 2 3 4 5 6 7 8 9 10 11 12
{ label = "Shift",
icon = "resources/icons/appbar.arrow.shift.png",
width = 1.5
},
{ "Z", "z", "(", "$", "З", "з", "Щ", "щ", "Á", "á", "Ű", "ű", },
{ "X", "x", ")", "", "Х", "х", "", "@", "É", "é", "Ø", "ø", },
{ "C", "c", "{", "¥", "Ц", "ц", "Џ", "џ", "Í", "í", "Þ", "þ", },
{ "V", "v", "}", "£", "В", "в", "Ў", "ў", "Ñ", "ñ", "Ý", "ý", },
{ "B", "b", "[", "", "Б", "б", "Ћ", "ћ", "Ó", "ó", "", "", },
{ "N", "n", "]", "", "Н", "н", "Њ", "њ", "Ú", "ú", "", "", },
{ "M", "m", "&", "", "М", "м", "Ї", "ї", "Ç", "ç", "", "¨", },
{ label = "Backspace",
icon = "resources/icons/appbar.clear.reflect.horizontal.png",
width = 1.5
},
},
-- fourth raw
{
{ "Sym", "Sym", "ABC", "ABC", "Sym", "Sym", "ABC", "ABC", "Sym", "Sym", "ABC", "ABC",
width = 1.5},
{ label = "IM",
icon = "resources/icons/appbar.globe.wire.png",
},
{ "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", "Äéß", },
{ label = "space",
" ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ",
width = 4.0},
{ ",", ".", ".", ",", ",", ".", "Є", "є", ",", ".", ",", ".", },
{ label = "Enter",
"\n", "\n", "\n", "\n", "\n", "\n", "\n", "\n", "\n", "\n", "\n", "\n",
icon = "resources/icons/appbar.arrow.enter.png",
width = 1.5,
},
}
}
self:initLayout(self.layout)
end
function VirtualKeyboard:initLayout(layout)
local function VKLayout(b1, b2, b3, b4)
local function boolnum(bool)
return bool and 1 or 0
end
return 2 - boolnum(b1) + 2 * boolnum(b2) + 4 * boolnum(b3) + 8 * boolnum(b4)
end
if layout then
-- to be sure layout is selected properly
layout = math.max(layout, self.min_layout)
layout = math.min(layout, self.max_layout)
self.layout = layout
-- fill the layout modes
self.shiftmode = (layout == 1 or layout == 3 or layout == 5 or layout == 7 or layout == 9 or layout == 11)
self.symbolmode = (layout == 3 or layout == 4 or layout == 7 or layout == 8 or layout == 11 or layout == 12)
self.utf8mode = (layout == 5 or layout == 6 or layout == 7 or layout == 8)
self.umlautmode = (layout == 9 or layout == 10 or layout == 11 or layout == 12)
else -- or, without input parameter, restore layout from current layout modes
self.layout = VKLayout(self.shiftmode, self.symbolmode, self.utf8mode, self.umlautmode)
end
self:addKeys()
end
function VirtualKeyboard:addKeys()
local base_key_width = math.floor((self.width - 11*self.key_padding - 2*self.padding)/10)
local base_key_height = math.floor((self.height - 5*self.key_padding - 2*self.padding)/4)
local h_key_padding = HorizontalSpan:new{width = self.key_padding}
local v_key_padding = VerticalSpan:new{width = self.key_padding}
local vertical_group = VerticalGroup:new{}
for i = 1, #self.KEYS do
local horizontal_group = HorizontalGroup:new{}
for j = 1, #self.KEYS[i] do
local width_factor = self.KEYS[i][j].width or 1.0
local key_width = math.floor((base_key_width + self.key_padding) * width_factor)
- self.key_padding
local key_height = base_key_height
local label = self.KEYS[i][j].label or self.KEYS[i][j][self.layout]
local key = VirtualKey:new{
key = self.KEYS[i][j][self.layout],
icon = self.KEYS[i][j].icon,
label = label,
keyboard = self,
width = key_width,
height = key_height,
}
table.insert(horizontal_group, key)
if j ~= #self.KEYS[i] then
table.insert(horizontal_group, h_key_padding)
end
end
table.insert(vertical_group, horizontal_group)
if i ~= #self.KEYS then
table.insert(vertical_group, v_key_padding)
end
end
local size = vertical_group:getSize()
local keyboard_frame = FrameContainer:new{
margin = 0,
bordersize = self.bordersize,
background = 0,
radius = 0,
padding = self.padding,
CenterContainer:new{
dimen = Geom:new{
w = self.width - 2*self.bordersize -2*self.padding,
h = self.height - 2*self.bordersize -2*self.padding,
},
vertical_group,
}
}
self[1] = BottomContainer:new{
dimen = Screen:getSize(),
keyboard_frame,
}
self.dimen = keyboard_frame:getSize()
end
function VirtualKeyboard:setLayout(key)
if key == "Shift" then
self.shiftmode = not self.shiftmode
elseif key == "Sym" or key == "ABC" then
self.symbolmode = not self.symbolmode
elseif key == "Äéß" then
self.umlautmode = not self.umlautmode
if self.umlautmode then self.utf8mode = false end
elseif key == "IM" then
self.utf8mode = not self.utf8mode
if self.utf8mode then self.umlautmode = false end
end
self:initLayout()
UIManager:setDirty(self, "partial")
end
function VirtualKeyboard:addChar(key)
DEBUG("add char", key)
self.inputbox:addChar(key)
UIManager:setDirty(self, "partial")
UIManager:setDirty(self.inputbox, "partial")
end
function VirtualKeyboard:delChar()
DEBUG("delete char")
self.inputbox:delChar()
UIManager:setDirty(self, "partial")
UIManager:setDirty(self.inputbox, "partial")
end
function VirtualKeyboard:clear()
DEBUG("clear input")
self.inputbox:clear()
UIManager:setDirty(self, "partial")
UIManager:setDirty(self.inputbox, "partial")
end
return VirtualKeyboard