2
0
mirror of https://github.com/koreader/koreader synced 2024-10-31 21:20:20 +00:00
koreader/frontend/ui/widget/virtualkeyboard.lua
2014-08-11 10:37:38 +02:00

307 lines
13 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 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
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,
},
},
}
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: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", "π", "", "Б", "б", "Ћ", "ћ", "Ó", "ó", "", "", },
{ "N", "n", "е", "", "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)
if GLOBAL_INPUT_VALUE then
for i = 1, string.len(GLOBAL_INPUT_VALUE) do
self:addChar(string.sub(GLOBAL_INPUT_VALUE,i,i))
end
end
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
return VirtualKeyboard