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koreader/frontend/ui/elements/menu_keyboard_layout.lua

238 lines
9.6 KiB
Lua

local CheckButton = require("ui/widget/checkbutton")
local CheckMark = require("ui/widget/checkmark")
local Device = require("device")
local FFIUtil = require("ffi/util")
local Font = require("ui/font")
local Language = require("ui/language")
local Size = require("ui/size")
local TextWidget = require("ui/widget/textwidget")
local UIManager = require("ui/uimanager")
local VirtualKeyboard = require("ui/widget/virtualkeyboard")
local Screen = Device.screen
local T = FFIUtil.template
local util = require("util")
local _ = require("gettext")
local input_dialog, check_button_bold, check_button_border, check_button_compact
local function getOrderedActivatedKeyboardLayouts()
local keyboard_layouts = G_reader_settings:readSetting("keyboard_layouts", {})
local activated_keyboards = {}
for _, lang in ipairs(keyboard_layouts) do
if VirtualKeyboard.lang_to_keyboard_layout[lang] then
table.insert(activated_keyboards, lang)
end
end
if #activated_keyboards == 0 then -- use default keyboard
table.insert(activated_keyboards, VirtualKeyboard:getKeyboardLayout())
elseif #activated_keyboards > 1 then
table.sort(activated_keyboards)
end
return activated_keyboards
end
-- Returns a string with all selected keyboard layouts (comma separated) and
-- the count of the selectecd layouts.
-- If compact is set, only the abbreviations and the count are returned.
local function getActivatedKeyboardsStringCount(compact)
local activated_keyboards = getOrderedActivatedKeyboardLayouts()
if not compact then
for i, lang in ipairs(activated_keyboards) do
activated_keyboards[i] = Language:getLanguageName(lang)
end
end
return table.concat(activated_keyboards, ", "), #activated_keyboards
end
local function genKeyboardLayoutsSubmenu()
local item_table = {}
for lang, keyboard_layout in FFIUtil.orderedPairs(VirtualKeyboard.lang_to_keyboard_layout) do
table.insert(item_table, {
text_func = function()
local text = T("%1 (%2)", Language:getLanguageName(lang), lang:sub(1, 2))
if G_reader_settings:readSetting("keyboard_layout_default") == lang then
text = text .. ""
end
return text
end,
checked_func = function()
local keyboard_layouts = G_reader_settings:readSetting("keyboard_layouts", {})
return util.arrayContains(keyboard_layouts, lang)
end,
callback = function()
local keyboard_layouts = G_reader_settings:readSetting("keyboard_layouts", {})
local layout_index = util.arrayContains(keyboard_layouts, lang)
if layout_index then
table.remove(keyboard_layouts, layout_index)
else
if #keyboard_layouts < 4 then
table.insert(keyboard_layouts, lang)
else -- no more space in the 'globe' popup
local InfoMessage = require("ui/widget/infomessage")
UIManager:show(InfoMessage:new{
text = _("Up to four layouts can be enabled."),
timeout = 2,
})
end
end
end,
hold_callback = function(touchmenu_instance)
G_reader_settings:saveSetting("keyboard_layout_default", lang)
touchmenu_instance:updateItems()
end,
})
end
return item_table
end
-- Generate the language specific settings menu on demand, and only for active layouts,
-- to avoid loading potentially complex/large data when the layout isn't enabled.
local function genLayoutSpecificSubmenu()
local item_table = {}
local activated_keyboards = getOrderedActivatedKeyboardLayouts()
for _, lang in ipairs(activated_keyboards) do
if VirtualKeyboard.lang_has_submenu[lang] then
local keyboard_layout = VirtualKeyboard.lang_to_keyboard_layout[lang]
local kb_pkg = "ui/data/keyboardlayouts/" .. keyboard_layout
table.insert(item_table, {
text = T("%1 (%2)", Language:getLanguageName(lang), lang),
sub_item_table_func = function()
local keyboard = require(kb_pkg)
if keyboard.genMenuItems ~= nil then
return keyboard:genMenuItems()
else
return {
text = _("Not implemented"),
}
end
end,
})
end
end
-- Be a little more user-friendly than an empty menu ;).
if #item_table == 0 then
table.insert(item_table, {
text = _("Not available for any of your active layouts"),
})
end
return item_table
end
local sub_item_table = {
{
text_func = function()
local activated_keyboards, nb_keyboards = getActivatedKeyboardsStringCount()
local item_text = T(_("Keyboard layouts: %1"), activated_keyboards)
-- get width of text
local tmp = TextWidget:new{
text = item_text,
face = Font:getFace("cfont"),
}
local item_text_w = tmp:getSize().w
tmp:free()
local checked_widget = CheckMark:new{ -- for layout, to :getSize()
checked = true,
}
if item_text_w >= Screen:getWidth() - 2*Size.padding.default - checked_widget:getSize().w then
item_text = T(_("Keyboard layouts (%1)"), nb_keyboards)
end
return item_text
end,
sub_item_table_func = genKeyboardLayoutsSubmenu,
},
{
text = _("Layout-specific keyboard settings"),
-- Lazy-loaded to avoid pinning potentially unnecessary data
sub_item_table_func = genLayoutSpecificSubmenu,
},
{
text = _("Remember last layout"),
checked_func = function()
return G_reader_settings:nilOrTrue("keyboard_remember_layout")
end,
callback = function()
G_reader_settings:flipNilOrTrue("keyboard_remember_layout")
end,
separator = true,
},
{
text = _("Swipe to input additional characters"),
checked_func = function()
return G_reader_settings:nilOrTrue("keyboard_swipes_enabled")
end,
callback = function()
G_reader_settings:flipNilOrTrue("keyboard_swipes_enabled")
end,
},
{
text = _("Keyboard appearance settings"),
keep_menu_open = true,
callback = function(touchmenu_instance)
local InputDialog = require("ui/widget/inputdialog")
input_dialog = InputDialog:new{
title = _("Keyboard font size"),
-- do not use input_type = "number" to see letters on the keyboard
input = tostring(G_reader_settings:readSetting("keyboard_key_font_size", VirtualKeyboard.default_label_size)),
input_hint = "(16 - 30)",
buttons = {
{
{
text = _("Close"),
id = "close",
callback = function()
UIManager:close(input_dialog)
end,
},
{
text = _("Apply"),
is_enter_default = true,
callback = function()
local font_size = tonumber(input_dialog:getInputText())
if font_size and font_size >= 16 and font_size <= 30 then
G_reader_settings:saveSetting("keyboard_key_font_size", font_size)
G_reader_settings:saveSetting("keyboard_key_bold", check_button_bold.checked)
G_reader_settings:saveSetting("keyboard_key_border", check_button_border.checked)
G_reader_settings:saveSetting("keyboard_key_compact", check_button_compact.checked)
input_dialog._input_widget:onCloseKeyboard()
input_dialog._input_widget:initKeyboard()
input_dialog:onShowKeyboard()
if touchmenu_instance then touchmenu_instance:updateItems() end
end
end,
},
},
},
}
check_button_bold = CheckButton:new{
text = _("in bold"),
checked = G_reader_settings:isTrue("keyboard_key_bold"),
parent = input_dialog,
}
input_dialog:addWidget(check_button_bold)
check_button_border = CheckButton:new{
text = _("with border"),
checked = G_reader_settings:nilOrTrue("keyboard_key_border"),
parent = input_dialog,
}
input_dialog:addWidget(check_button_border)
check_button_compact = CheckButton:new{
text = _("compact"),
checked = G_reader_settings:isTrue("keyboard_key_compact"),
parent = input_dialog,
}
input_dialog:addWidget(check_button_compact)
UIManager:show(input_dialog)
input_dialog:onShowKeyboard()
end,
},
}
return sub_item_table