mirror of
https://github.com/koreader/koreader
synced 2024-11-16 06:12:56 +00:00
1292 lines
50 KiB
Lua
1292 lines
50 KiB
Lua
local BD = require("ui/bidi")
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local Blitbuffer = require("ffi/blitbuffer")
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local ButtonTable = require("ui/widget/buttontable")
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local CenterContainer = require("ui/widget/container/centercontainer")
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local CloseButton = require("ui/widget/closebutton")
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local Device = require("device")
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local Geom = require("ui/geometry")
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local Event = require("ui/event")
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local Font = require("ui/font")
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local FrameContainer = require("ui/widget/container/framecontainer")
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local GestureRange = require("ui/gesturerange")
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local IconButton = require("ui/widget/iconbutton")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local InputDialog = require("ui/widget/inputdialog")
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local LineWidget = require("ui/widget/linewidget")
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local Math = require("optmath")
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local MovableContainer = require("ui/widget/container/movablecontainer")
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local OverlapGroup = require("ui/widget/overlapgroup")
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local ScrollHtmlWidget = require("ui/widget/scrollhtmlwidget")
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local ScrollTextWidget = require("ui/widget/scrolltextwidget")
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local Size = require("ui/size")
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local TextWidget = require("ui/widget/textwidget")
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local UIManager = require("ui/uimanager")
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local VerticalGroup = require("ui/widget/verticalgroup")
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local VerticalSpan = require("ui/widget/verticalspan")
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local WidgetContainer = require("ui/widget/container/widgetcontainer")
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local logger = require("logger")
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local util = require("util")
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local _ = require("gettext")
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local C_ = _.pgettext
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local Input = Device.input
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local Screen = Device.screen
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local T = require("ffi/util").template
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--[[
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Display quick lookup word definition
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]]
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local DictQuickLookup = InputContainer:new{
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results = nil,
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lookupword = nil,
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dictionary = nil,
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definition = nil,
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displayword = nil,
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images = nil,
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is_wiki = false,
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is_wiki_fullpage = false,
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is_html = false,
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dict_index = 1,
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width = nil,
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height = nil,
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-- box of highlighted word, quick lookup window tries to not hide the word
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word_box = nil,
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-- refresh_callback will be called before we trigger full refresh in onSwipe
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refresh_callback = nil,
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html_dictionary_link_tapped_callback = nil,
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}
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local highlight_strings = {
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highlight =_("Highlight"),
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unhighlight = _("Unhighlight"),
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}
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function DictQuickLookup:canSearch()
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if self:isDocless() then
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return false
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end
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if self.is_wiki then
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-- In the Wiki variant of this widget, the Search button is coopted to cycle between enabled languages.
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if #self.wiki_languages > 1 then
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return true
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end
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else
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-- This is to prevent an ineffective button when we're launched from the Reader's menu.
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if self.ui.highlight.selected_text then
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return true
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end
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end
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return false
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end
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function DictQuickLookup:init()
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self.dict_font_size = G_reader_settings:readSetting("dict_font_size") or 20
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self.content_face = Font:getFace("cfont", self.dict_font_size)
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local font_size_alt = self.dict_font_size - 4
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if font_size_alt < 8 then
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font_size_alt = 8
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end
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self.image_alt_face = Font:getFace("cfont", font_size_alt)
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if Device:hasKeys() then
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self.key_events = {
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ReadPrevResult = {{Input.group.PgBack}, doc = "read prev result"},
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ReadNextResult = {{Input.group.PgFwd}, doc = "read next result"},
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Close = { {"Back"}, doc = "close quick lookup" }
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}
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end
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if Device:isTouchDevice() then
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local range = Geom:new{
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x = 0, y = 0,
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w = Screen:getWidth(),
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h = Screen:getHeight(),
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}
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self.ges_events = {
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Tap = {
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GestureRange:new{
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ges = "tap",
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range = range,
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},
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},
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Swipe = {
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GestureRange:new{
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ges = "swipe",
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range = range,
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},
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},
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-- This was for selection of a single word with simple hold
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-- HoldWord = {
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-- GestureRange:new{
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-- ges = "hold",
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-- range = function()
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-- return self.region
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-- end,
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-- },
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-- -- callback function when HoldWord is handled as args
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-- args = function(word)
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-- self.ui:handleEvent(
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-- -- don't pass self.highlight to subsequent lookup, we want
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-- -- the first to be the only one to unhighlight selection
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-- -- when closed
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-- Event:new("LookupWord", word, self.word_box))
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-- end
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-- },
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-- Allow selection of one or more words (see textboxwidget.lua) :
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HoldStartText = {
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GestureRange:new{
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ges = "hold",
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range = range,
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},
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},
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HoldPanText = {
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GestureRange:new{
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ges = "hold",
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range = range,
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},
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},
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HoldReleaseText = {
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GestureRange:new{
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ges = "hold_release",
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range = range,
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},
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-- callback function when HoldReleaseText is handled as args
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args = function(text, hold_duration)
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local lookup_target
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if hold_duration < 3.0 then
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-- do this lookup in the same domain (dict/wikipedia)
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lookup_target = self.is_wiki and "LookupWikipedia" or "LookupWord"
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else
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-- but allow switching domain with a long hold
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lookup_target = self.is_wiki and "LookupWord" or "LookupWikipedia"
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end
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if lookup_target == "LookupWikipedia" then
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self:resyncWikiLanguages()
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end
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self.ui:handleEvent(
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-- don't pass self.highlight to subsequent lookup, we want
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-- the first to be the only one to unhighlight selection
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-- when closed
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Event:new(lookup_target, text)
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)
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end
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},
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-- These will be forwarded to MovableContainer after some checks
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ForwardingTouch = { GestureRange:new{ ges = "touch", range = range, }, },
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ForwardingPan = { GestureRange:new{ ges = "pan", range = range, }, },
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ForwardingPanRelease = { GestureRange:new{ ges = "pan_release", range = range, }, },
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}
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end
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-- We no longer support setting a default dict with Tap on title.
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-- self:changeToDefaultDict()
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-- Now, dictionaries can be ordered (although not yet per-book), so trust the order set
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self:changeDictionary(1, true) -- don't call update
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-- And here comes the initial widget layout...
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if self.is_wiki then
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-- Keep a copy of self.wiki_languages for use
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-- by DictQuickLookup:resyncWikiLanguages()
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self.wiki_languages_copy = self.wiki_languages and {unpack(self.wiki_languages)} or nil
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end
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-- Bigger window if fullpage Wikipedia article being shown,
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-- or when large windows for dict requested
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local is_large_window = self.is_wiki_fullpage or G_reader_settings:isTrue("dict_largewindow")
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if is_large_window then
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self.width = Screen:getWidth() - 2*Size.margin.default
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else
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self.width = Screen:getWidth() - Screen:scaleBySize(80)
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end
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local frame_bordersize = Size.border.window
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local inner_width = self.width - 2*frame_bordersize
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-- Height will be computed below, after we build top an bottom
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-- components, when we know how much height they are taking.
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-- Dictionary title
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-- (a bit convoluted with margin & padding but no border, but let's
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-- do as other widgets to get the same look)
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local title_margin = Size.margin.title
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local title_padding = Size.padding.default
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local title_width = inner_width - 2*title_padding -2*title_margin
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local close_button = CloseButton:new{ window = self, padding_top = title_margin, }
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self.dict_title_text = TextWidget:new{
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text = self.displaydictname,
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face = Font:getFace("x_smalltfont"),
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bold = true,
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max_width = title_width - close_button:getSize().w + close_button.padding_left
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-- Allow text to eat on the CloseButton padding_left (which
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-- is quite large to ensure a bigger tap area)
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}
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local dict_title_widget = self.dict_title_text
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if self.is_wiki then
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-- Visual hint: title left aligned for dict, but centered for Wikipedia
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dict_title_widget = CenterContainer:new{
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dimen = Geom:new{
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w = title_width,
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h = self.dict_title_text:getSize().h,
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},
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self.dict_title_text,
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}
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end
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self.dict_title = FrameContainer:new{
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margin = title_margin,
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bordersize = 0,
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padding = title_padding,
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dict_title_widget,
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}
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local title_bar = OverlapGroup:new{
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dimen = {
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w = inner_width,
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h = self.dict_title:getSize().h
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},
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self.dict_title,
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close_button,
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}
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local title_sep = LineWidget:new{
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dimen = Geom:new{
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w = inner_width,
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h = Size.line.thick,
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}
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}
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-- This padding and the resulting width apply to the content
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-- below the title: lookup word and definition
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local content_padding_h = Size.padding.large
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local content_padding_v = Size.padding.large -- added via VerticalSpan
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self.content_width = inner_width - 2*content_padding_h
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-- Spans between components
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local top_to_word_span = VerticalSpan:new{ width = content_padding_v }
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local word_to_definition_span = VerticalSpan:new{ width = content_padding_v }
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local definition_to_bottom_span = VerticalSpan:new{ width = content_padding_v }
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-- Lookup word
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local word_font_face = "tfont"
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-- Ensure this word doesn't get smaller than its definition
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local word_font_size = math.max(22, self.dict_font_size)
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-- Get the line height of the normal font size, as a base for sizing this component
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if not self.word_line_height then
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local test_widget = TextWidget:new{
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text = "z",
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face = Font:getFace(word_font_face, word_font_size),
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}
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self.word_line_height = test_widget:getSize().h
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test_widget:free()
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end
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if self.is_wiki then
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-- Wikipedia has longer titles, so use a smaller font,
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word_font_size = math.max(18, self.dict_font_size)
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end
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local icon_size = Screen:scaleBySize(32)
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local lookup_height = math.max(self.word_line_height, icon_size)
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-- Edit button
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local lookup_edit_button = IconButton:new{
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icon = "edit",
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width = icon_size,
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height = icon_size,
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padding = 0,
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padding_left = Size.padding.small,
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callback = function()
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-- allow adjusting the queried word
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self:lookupInputWord(self.word)
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end,
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hold_callback = function()
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-- allow adjusting the current result word
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self:lookupInputWord(self.lookupword)
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end,
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overlap_align = "right",
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show_parent = self,
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}
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local lookup_edit_button_w = lookup_edit_button:getSize().w
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-- Nb of results (if set)
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local lookup_word_nb
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local lookup_word_nb_w = 0
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if self.displaynb then
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self.displaynb_text = TextWidget:new{
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text = self.displaynb,
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face = Font:getFace("cfont", word_font_size),
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padding = 0, -- smaller height for better aligmnent with icon
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}
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lookup_word_nb = FrameContainer:new{
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margin = 0,
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bordersize = 0,
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padding = 0,
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padding_left = Size.padding.small,
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padding_right = lookup_edit_button_w + Size.padding.default,
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overlap_align = "right",
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self.displaynb_text,
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}
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lookup_word_nb_w = lookup_word_nb:getSize().w
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end
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-- Lookup word
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self.lookup_word_text = TextWidget:new{
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text = self.displayword,
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face = Font:getFace(word_font_face, word_font_size),
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bold = true,
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max_width = self.content_width - math.max(lookup_edit_button_w, lookup_word_nb_w),
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padding = 0, -- to be aligned with lookup_word_nb
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}
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-- Group these 3 widgets
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local lookup_word = OverlapGroup:new{
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dimen = {
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w = self.content_width,
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h = lookup_height,
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},
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self.lookup_word_text,
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lookup_edit_button,
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lookup_word_nb, -- last, as this might be nil
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}
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-- Different sets of buttons whether fullpage or not
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local buttons
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if self.is_wiki_fullpage then
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-- A save and a close button
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buttons = {
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{
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{
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id = "save",
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text = _("Save as EPUB"),
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callback = function()
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local InfoMessage = require("ui/widget/infomessage")
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local ConfirmBox = require("ui/widget/confirmbox")
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-- if forced_lang was specified, it may not be in our wiki_languages,
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-- but ReaderWikipedia will have put it in result.lang
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local lang = self.lang or self.wiki_languages_copy[1]
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-- Find a directory to save file into
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local dir
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if G_reader_settings:isTrue("wikipedia_save_in_book_dir") and not self:isDocless() then
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local last_file = G_reader_settings:readSetting("lastfile")
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if last_file then
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dir = last_file:match("(.*)/")
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end
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end
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if not dir then dir = G_reader_settings:readSetting("wikipedia_save_dir")
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or G_reader_settings:readSetting("home_dir")
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or require("apps/filemanager/filemanagerutil").getDefaultDir() end
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if not dir or not util.pathExists(dir) then
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UIManager:show(InfoMessage:new{
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text = _("No folder to save article to could be found."),
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})
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return
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end
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-- Just to be safe (none of the invalid chars, except ':' for uninteresting
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-- Portal: or File: wikipedia pages, should be in lookupword)
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local filename = self.lookupword .. "."..string.upper(lang)..".epub"
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filename = util.getSafeFilename(filename, dir):gsub("_", " ")
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local epub_path = dir .. "/" .. filename
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UIManager:show(ConfirmBox:new{
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text = T(_("Save as %1?"), BD.filename(filename)),
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ok_callback = function()
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UIManager:scheduleIn(0.1, function()
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local Wikipedia = require("ui/wikipedia")
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Wikipedia:createEpubWithUI(epub_path, self.lookupword, lang, function(success)
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if success then
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UIManager:show(ConfirmBox:new{
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text = T(_("Article saved to:\n%1\n\nWould you like to read the downloaded article now?"), BD.filepath(epub_path)),
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ok_callback = function()
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-- close all dict/wiki windows, without scheduleIn(highlight.clear())
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self:onHoldClose(true)
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-- close current ReaderUI in 1 sec, and create a new one
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UIManager:scheduleIn(1.0, function()
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if self.ui then
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-- close Highlight menu if any still shown
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if self.ui.highlight and self.ui.highlight.highlight_dialog then
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self.ui.highlight:onClose()
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end
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self.ui:onClose()
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end
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self.ui:showReader(epub_path)
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end)
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end,
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})
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else
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UIManager:show(InfoMessage:new{
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text = _("Saving Wikipedia article failed or interrupted."),
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})
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end
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end)
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end)
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end
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})
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end,
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},
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{
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id = "close",
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text = _("Close"),
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callback = function()
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UIManager:close(self)
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end,
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},
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},
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}
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else
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local prev_dict_text = "◁◁"
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local next_dict_text = "▷▷"
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if BD.mirroredUILayout() then
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prev_dict_text, next_dict_text = next_dict_text, prev_dict_text
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end
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buttons = {
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{
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{
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id = "prev_dict",
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text = prev_dict_text,
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vsync = true,
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enabled = self:isPrevDictAvaiable(),
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callback = function()
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self:changeToPrevDict()
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end,
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hold_callback = function()
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self:changeToFirstDict()
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end,
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},
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{
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id = "highlight",
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text = self:getHighlightText(),
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enabled = not self:isDocless() and self.highlight ~= nil,
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callback = function()
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if self:getHighlightText() == highlight_strings.highlight then
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self.ui:handleEvent(Event:new("Highlight"))
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else
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self.ui:handleEvent(Event:new("Unhighlight"))
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end
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-- Just update, repaint and refresh *this* button
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local this = self.button_table:getButtonById("highlight")
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if not this then return end
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this:enableDisable(self.highlight ~= nil)
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this:setText(self:getHighlightText(), this.width)
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this:refresh()
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end,
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},
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{
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id = "next_dict",
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text = next_dict_text,
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vsync = true,
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enabled = self:isNextDictAvaiable(),
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callback = function()
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self:changeToNextDict()
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end,
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hold_callback = function()
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self:changeToLastDict()
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end,
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},
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},
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{
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{
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id = "wikipedia",
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-- if dictionary result, do the same search on wikipedia
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-- if already wiki, get the full page for the current result
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text_func = function()
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if self.is_wiki then
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-- @translators Full Wikipedia article.
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return C_("Button", "Wikipedia full")
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else
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return _("Wikipedia")
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end
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end,
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callback = function()
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UIManager:scheduleIn(0.1, function()
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self:lookupWikipedia(self.is_wiki) -- will get_fullpage if is_wiki
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end)
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end,
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},
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-- Rotate thru available wikipedia languages, or Search in book if dict window
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{
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id = "search",
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-- if more than one language, enable it and display "current lang > next lang"
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-- otherwise, just display current lang
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text = self.is_wiki
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and ( #self.wiki_languages > 1 and BD.wrap(self.wiki_languages[1]).." > "..BD.wrap(self.wiki_languages[2])
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or self.wiki_languages[1] ) -- (this " > " will be auro-mirrored by bidi)
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or _("Search"),
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enabled = self:canSearch(),
|
|
callback = function()
|
|
if self.is_wiki then
|
|
self:resyncWikiLanguages(true) -- rotate & resync them
|
|
UIManager:close(self)
|
|
self:lookupWikipedia()
|
|
else
|
|
self.ui:handleEvent(Event:new("HighlightSearch"))
|
|
UIManager:close(self)
|
|
end
|
|
end,
|
|
},
|
|
{
|
|
id = "close",
|
|
text = _("Close"),
|
|
callback = function()
|
|
-- UIManager:close(self)
|
|
self:onClose()
|
|
end,
|
|
},
|
|
},
|
|
}
|
|
if not self.is_wiki and self.selected_link ~= nil then
|
|
-- If highlighting some word part of a link (which should be rare),
|
|
-- add a new first row with a single button to follow this link.
|
|
table.insert(buttons, 1, {
|
|
{
|
|
id = "link",
|
|
text = _("Follow Link"),
|
|
callback = function()
|
|
local link = self.selected_link.link or self.selected_link
|
|
self.ui.link:onGotoLink(link)
|
|
self:onClose()
|
|
end,
|
|
},
|
|
})
|
|
end
|
|
end
|
|
|
|
-- Bottom buttons get a bit less padding so their line separators
|
|
-- reach out from the content to the borders a bit more
|
|
local buttons_padding = Size.padding.default
|
|
local buttons_width = inner_width - 2*buttons_padding
|
|
self.button_table = ButtonTable:new{
|
|
width = buttons_width,
|
|
button_font_face = "cfont",
|
|
button_font_size = 20,
|
|
buttons = buttons,
|
|
zero_sep = true,
|
|
show_parent = self,
|
|
}
|
|
|
|
-- Margin from screen edges
|
|
local margin_top = Size.margin.default
|
|
local margin_bottom = Size.margin.default
|
|
if self.ui and self.ui.view and self.ui.view.footer_visible then
|
|
-- We want to let the footer visible (as it can show time, battery level
|
|
-- and wifi state, which might be useful when spending time reading
|
|
-- definitions or wikipedia articles)
|
|
margin_bottom = margin_bottom + self.ui.view.footer:getHeight()
|
|
end
|
|
local avail_height = Screen:getHeight() - margin_top - margin_bottom
|
|
-- Region in which the window will be aligned center/top/bottom:
|
|
self.region = Geom:new{
|
|
x = 0,
|
|
y = margin_top,
|
|
w = Screen:getWidth(),
|
|
h = avail_height,
|
|
}
|
|
self.align = "center"
|
|
|
|
local others_height = frame_bordersize * 2 -- DictQuickLookup border
|
|
+ title_bar:getSize().h
|
|
+ title_sep:getSize().h
|
|
+ top_to_word_span:getSize().h
|
|
+ lookup_word:getSize().h
|
|
+ word_to_definition_span:getSize().h
|
|
+ definition_to_bottom_span:getSize().h
|
|
+ self.button_table:getSize().h
|
|
|
|
-- To properly adjust the definition to the height of text, we need
|
|
-- the line height a ScrollTextWidget will use for the current font
|
|
-- size (we'll then use this perfect height for ScrollTextWidget,
|
|
-- but also for ScrollHtmlWidget, where it doesn't matter).
|
|
if not self.definition_line_height then
|
|
local test_widget = ScrollTextWidget:new{
|
|
text = "z",
|
|
face = self.content_face,
|
|
width = self.content_width,
|
|
height = self.definition_height,
|
|
for_measurement_only = true, -- flag it as a dummy, so it won't trigger any bogus repaint/refresh...
|
|
}
|
|
self.definition_line_height = test_widget:getLineHeight()
|
|
test_widget:free()
|
|
end
|
|
|
|
if is_large_window then
|
|
-- Available height for definition + components
|
|
self.height = avail_height
|
|
self.definition_height = self.height - others_height
|
|
local nb_lines = math.floor(self.definition_height / self.definition_line_height)
|
|
self.definition_height = nb_lines * self.definition_line_height
|
|
local pad = self.height - others_height - self.definition_height
|
|
-- put that unused height on the above span
|
|
word_to_definition_span.width = word_to_definition_span.width + pad
|
|
else
|
|
-- Definition height was previously computed as 0.5*0.7*screen_height, so keep
|
|
-- it that way. Components will add themselves to that.
|
|
self.definition_height = math.floor(avail_height * 0.5 * 0.7)
|
|
-- But we want it to fit to the lines that will show, to avoid
|
|
-- any extra padding
|
|
local nb_lines = Math.round(self.definition_height / self.definition_line_height)
|
|
self.definition_height = nb_lines * self.definition_line_height
|
|
self.height = self.definition_height + others_height
|
|
if self.word_box then
|
|
-- Try to not hide the highlighted word. We don't want to always
|
|
-- get near it if we can stay center, so that more context around
|
|
-- the word is still visible with the dict result.
|
|
-- But if we were to be drawn over the word, move a bit if possible.
|
|
local box = self.word_box
|
|
-- Don't stick to the box, ensure a minimal padding between box and window
|
|
local box_dict_padding = Size.padding.small
|
|
local word_box_top = box.y - box_dict_padding
|
|
local word_box_bottom = box.y + box.h + box_dict_padding
|
|
local half_visible_height = (avail_height - self.height) / 2
|
|
if word_box_bottom > half_visible_height and word_box_top <= half_visible_height + self.height then
|
|
-- word would be covered by our centered window
|
|
if word_box_bottom <= avail_height - self.height then
|
|
-- Window can be moved just below word
|
|
self.region.y = word_box_bottom
|
|
self.region.h = self.region.h - word_box_bottom
|
|
self.align = "top"
|
|
elseif word_box_top > self.height then
|
|
-- Window can be moved just above word
|
|
self.region.y = 0
|
|
self.region.h = word_box_top
|
|
self.align = "bottom"
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Instantiate self.text_widget
|
|
self:_instantiateScrollWidget()
|
|
|
|
-- word definition
|
|
self.definition_widget = FrameContainer:new{
|
|
padding = 0,
|
|
padding_left = content_padding_h,
|
|
padding_right = content_padding_h,
|
|
margin = 0,
|
|
bordersize = 0,
|
|
self.text_widget,
|
|
}
|
|
|
|
self.dict_frame = FrameContainer:new{
|
|
radius = Size.radius.window,
|
|
bordersize = frame_bordersize,
|
|
padding = 0,
|
|
margin = 0,
|
|
background = Blitbuffer.COLOR_WHITE,
|
|
VerticalGroup:new{
|
|
align = "left",
|
|
title_bar,
|
|
title_sep,
|
|
top_to_word_span,
|
|
-- word
|
|
CenterContainer:new{
|
|
dimen = Geom:new{
|
|
w = inner_width,
|
|
h = lookup_word:getSize().h,
|
|
},
|
|
lookup_word,
|
|
},
|
|
word_to_definition_span,
|
|
-- definition
|
|
CenterContainer:new{
|
|
dimen = Geom:new{
|
|
w = inner_width,
|
|
h = self.definition_widget:getSize().h,
|
|
},
|
|
self.definition_widget,
|
|
},
|
|
definition_to_bottom_span,
|
|
-- buttons
|
|
CenterContainer:new{
|
|
dimen = Geom:new{
|
|
w = inner_width,
|
|
h = self.button_table:getSize().h,
|
|
},
|
|
self.button_table,
|
|
}
|
|
}
|
|
}
|
|
|
|
self.movable = MovableContainer:new{
|
|
-- We'll handle these events ourselves, and call appropriate
|
|
-- MovableContainer's methods when we didn't process the event
|
|
ignore_events = {
|
|
-- These have effects over the definition widget, and may
|
|
-- or may not be processed by it
|
|
"swipe", "hold", "hold_release", "hold_pan",
|
|
-- These do not have direct effect over the definition widget,
|
|
-- but may happen while selecting text: we need to check
|
|
-- a few things before forwarding them
|
|
"touch", "pan", "pan_release",
|
|
},
|
|
self.dict_frame,
|
|
}
|
|
|
|
self[1] = WidgetContainer:new{
|
|
align = self.align,
|
|
dimen = self.region,
|
|
self.movable,
|
|
}
|
|
UIManager:setDirty(self, function()
|
|
return "partial", self.dict_frame.dimen
|
|
end)
|
|
end
|
|
|
|
-- Whether currently DictQuickLookup is working without a document.
|
|
function DictQuickLookup:isDocless()
|
|
return self.ui == nil or self.ui.highlight == nil
|
|
end
|
|
|
|
function DictQuickLookup:getHtmlDictionaryCss()
|
|
-- Using Noto Sans because Nimbus doesn't contain the IPA symbols.
|
|
-- 'line-height: 1.3' to have it similar to textboxwidget,
|
|
-- and follow user's choice on justification
|
|
local css_justify = G_reader_settings:nilOrTrue("dict_justify") and "text-align: justify;" or ""
|
|
local css = [[
|
|
@page {
|
|
margin: 0;
|
|
font-family: 'Noto Sans';
|
|
}
|
|
|
|
body {
|
|
margin: 0;
|
|
line-height: 1.3;
|
|
]]..css_justify..[[
|
|
}
|
|
|
|
blockquote, dd {
|
|
margin: 0 1em;
|
|
}
|
|
]]
|
|
-- MuPDF doesn't currently scale CSS pixels, so we have to use a font-size based measurement.
|
|
-- Unfortunately MuPDF doesn't properly support `rem` either, which it bases on a hard-coded
|
|
-- value of `16px`, so we have to go with `em` (or `%`).
|
|
--
|
|
-- These `em`-based margins can vary slightly, but it's the best available compromise.
|
|
--
|
|
-- We also keep left and right margin the same so it'll display as expected in RTL.
|
|
-- Because MuPDF doesn't currently support `margin-start`, this results in a slightly
|
|
-- unconventional but hopefully barely noticeable right margin for <dd>.
|
|
|
|
if self.css then
|
|
return css .. self.css
|
|
end
|
|
return css
|
|
end
|
|
|
|
-- Used in init & update to instantiate the Scroll*Widget that self.text_widget points to
|
|
function DictQuickLookup:_instantiateScrollWidget()
|
|
if self.is_html then
|
|
self.shw_widget = ScrollHtmlWidget:new{
|
|
html_body = self.definition,
|
|
css = self:getHtmlDictionaryCss(),
|
|
default_font_size = Screen:scaleBySize(self.dict_font_size),
|
|
width = self.content_width,
|
|
height = self.definition_height,
|
|
dialog = self,
|
|
html_link_tapped_callback = function(link)
|
|
self.html_dictionary_link_tapped_callback(self.dictionary, link)
|
|
end,
|
|
}
|
|
self.text_widget = self.shw_widget
|
|
else
|
|
self.stw_widget = ScrollTextWidget:new{
|
|
text = self.definition,
|
|
face = self.content_face,
|
|
width = self.content_width,
|
|
height = self.definition_height,
|
|
dialog = self,
|
|
justified = G_reader_settings:nilOrTrue("dict_justify"), -- allow for disabling justification
|
|
lang = self.lang and self.lang:lower(), -- only available on wikipedia results
|
|
para_direction_rtl = self.rtl_lang, -- only available on wikipedia results
|
|
auto_para_direction = not self.is_wiki, -- only for dict results (we don't know their lang)
|
|
image_alt_face = self.image_alt_face,
|
|
images = self.images,
|
|
}
|
|
self.text_widget = self.stw_widget
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:update()
|
|
-- self[1] is a WidgetContainer, its free method will call free on each of its child widget with a free method.
|
|
-- Here, that's the definitions' TextBoxWidget & HtmlBoxWidget,
|
|
-- to release their bb, MuPDF instance, and scheduled image_update_action.
|
|
self[1]:free()
|
|
|
|
-- Update TextWidgets
|
|
self.dict_title_text:setText(self.displaydictname)
|
|
if self.displaynb then
|
|
self.displaynb_text:setText(self.displaynb)
|
|
end
|
|
self.lookup_word_text:setText(self.displayword)
|
|
|
|
-- Update Buttons
|
|
if not self.is_wiki_fullpage then
|
|
local prev_dict_btn = self.button_table:getButtonById("prev_dict")
|
|
if prev_dict_btn then
|
|
prev_dict_btn:enableDisable(self:isPrevDictAvaiable())
|
|
end
|
|
local next_dict_btn = self.button_table:getButtonById("next_dict")
|
|
if next_dict_btn then
|
|
next_dict_btn:enableDisable(self:isNextDictAvaiable())
|
|
end
|
|
end
|
|
|
|
-- Update main text widgets
|
|
if self.is_html and self.shw_widget then
|
|
-- Re-use our ScrollHtmlWidget (self.shw_widget)
|
|
-- NOTE: The recursive free via our WidgetContainer (self[1]) above already released the previous MµPDF document instance ;)
|
|
self.text_widget.htmlbox_widget:setContent(self.definition, self:getHtmlDictionaryCss(), Screen:scaleBySize(self.dict_font_size))
|
|
-- Scroll back to top
|
|
self.text_widget:resetScroll()
|
|
elseif not self.is_html and self.stw_widget then
|
|
-- Re-use our ScrollTextWidget (self.stw_widget)
|
|
-- Update properties that may change across results (as done in DictQuickLookup:_instantiateScrollWidget())
|
|
self.text_widget.text_widget.text = self.definition
|
|
self.text_widget.text_widget.lang = self.lang and self.lang:lower()
|
|
self.text_widget.text_widget.para_direction_rtl = self.rtl_lang
|
|
self.text_widget.text_widget.images = self.images
|
|
-- Scroll back to the top, àla TextBoxWidget:scrollToTop
|
|
self.text_widget.text_widget.virtual_line_num = 1
|
|
-- NOTE: The recursive free via our WidgetContainer (self[1]) above already free'd us ;)
|
|
self.text_widget.text_widget:init()
|
|
-- Reset the scrollbar's state
|
|
self.text_widget:resetScroll()
|
|
else
|
|
-- We jumped from HTML to Text (or vice-versa), we need a new widget instance
|
|
self:_instantiateScrollWidget()
|
|
-- Update *all* the references to self.text_widget
|
|
self.definition_widget[1] = self.text_widget
|
|
-- Destroy the previous "opposite type" widget
|
|
if self.is_html then
|
|
self.stw_widget = nil
|
|
else
|
|
self.shw_widget = nil
|
|
end
|
|
end
|
|
|
|
-- If we're translucent, reset alpha to make the new definition actually readable.
|
|
if self.movable.alpha then
|
|
self.movable.alpha = nil
|
|
end
|
|
|
|
UIManager:setDirty(self, function()
|
|
return "partial", self.dict_frame.dimen
|
|
end)
|
|
end
|
|
|
|
function DictQuickLookup:getInitialVisibleArea()
|
|
-- Some positionning happens only at paintTo() time, but we want
|
|
-- to know this before. So, do a bit like WidgetContainer does
|
|
-- (without any MovableContainer offset)
|
|
local dict_size = self.dict_frame:getSize()
|
|
local area = Geom:new{
|
|
w = dict_size.w,
|
|
h = dict_size.h,
|
|
x = self.region.x + math.floor((self.region.w - dict_size.w)/2)
|
|
}
|
|
if self.align == "top" then
|
|
area.y = self.region.y
|
|
elseif self.align == "bottom" then
|
|
area.y = self.region.y + self.region.h - dict_size.h
|
|
elseif self.align == "center" then
|
|
area.x = self.region.y + math.floor((self.region.h - dict_size.h)/2)
|
|
end
|
|
return area
|
|
end
|
|
|
|
function DictQuickLookup:onCloseWidget()
|
|
-- Our TextBoxWidget/HtmlBoxWidget/TextWidget/ImageWidget are proper child widgets,
|
|
-- so this event will propagate to 'em, and they'll free their resources.
|
|
|
|
-- What's left is stuff that isn't directly in our widget tree...
|
|
if self.images_cleanup_needed then
|
|
logger.dbg("freeing lookup results images blitbuffers")
|
|
for _, r in ipairs(self.results) do
|
|
if r.images and #r.images > 0 then
|
|
for _, im in ipairs(r.images) do
|
|
if im.bb then im.bb:free() end
|
|
if im.hi_bb then im.hi_bb:free() end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- NOTE: Drop region to make it a full-screen flash
|
|
UIManager:setDirty(nil, function()
|
|
return "flashui", nil
|
|
end)
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onShow()
|
|
UIManager:setDirty(self, function()
|
|
return "flashui", self.dict_frame.dimen
|
|
end)
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:getHighlightedItem()
|
|
if self:isDocless() then return end
|
|
return self.ui.highlight:getHighlightBookmarkItem()
|
|
end
|
|
|
|
function DictQuickLookup:getHighlightText()
|
|
local item = self:getHighlightedItem()
|
|
if not item then
|
|
return highlight_strings.highlight, false
|
|
elseif self.ui.bookmark:isBookmarkAdded(item) then
|
|
return highlight_strings.unhighlight, false
|
|
else
|
|
return highlight_strings.highlight, true
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:isPrevDictAvaiable()
|
|
return self.dict_index > 1
|
|
end
|
|
|
|
function DictQuickLookup:isNextDictAvaiable()
|
|
return self.dict_index < #self.results
|
|
end
|
|
|
|
function DictQuickLookup:changeToPrevDict()
|
|
if self:isPrevDictAvaiable() then
|
|
self:changeDictionary(self.dict_index - 1)
|
|
elseif #self.results > 1 then -- restart at end if first reached
|
|
self:changeDictionary(#self.results)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:changeToNextDict()
|
|
if self:isNextDictAvaiable() then
|
|
self:changeDictionary(self.dict_index + 1)
|
|
elseif #self.results > 1 then -- restart at first if end reached
|
|
self:changeDictionary(1)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:changeToFirstDict()
|
|
if self:isPrevDictAvaiable() then
|
|
self:changeDictionary(1)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:changeToLastDict()
|
|
if self:isNextDictAvaiable() then
|
|
self:changeDictionary(#self.results)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:changeDictionary(index, skip_update)
|
|
if not self.results[index] then return end
|
|
self.dict_index = index
|
|
self.dictionary = self.results[index].dict
|
|
self.lookupword = self.results[index].word
|
|
self.definition = self.results[index].definition
|
|
self.is_wiki_fullpage = self.results[index].is_wiki_fullpage
|
|
self.is_html = self.results[index].is_html
|
|
self.css = self.results[index].css
|
|
self.lang = self.results[index].lang
|
|
self.rtl_lang = self.results[index].rtl_lang
|
|
self.images = self.results[index].images
|
|
if self.images and #self.images > 0 then
|
|
-- We'll be giving some images to textboxwidget that will
|
|
-- load and display them. We'll need to free these blitbuffers
|
|
-- when we're done.
|
|
self.images_cleanup_needed = true
|
|
end
|
|
if self.is_wiki_fullpage then
|
|
self.displayword = self.lookupword
|
|
self.displaynb = nil
|
|
else
|
|
self.displayword = self.lookupword
|
|
-- show "dict_index / nbresults" so we know where we're at and what's yet to see
|
|
self.displaynb = T("%1 / %2", index, #self.results)
|
|
-- add queried word to 1st result's definition, so we can see
|
|
-- what was the selected text and if we selected wrong
|
|
if index == 1 then
|
|
if self.is_html then
|
|
self.definition = self.definition.."<br/>_______<br/>"
|
|
else
|
|
self.definition = self.definition.."\n_______\n"
|
|
end
|
|
self.definition = self.definition..T(_("(query : %1)"), self.word)
|
|
end
|
|
end
|
|
self.displaydictname = self.dictionary
|
|
if self.preferred_dictionaries then
|
|
-- If current result is from a preferred dictionary, prepend dict name
|
|
-- (shown in the window title) with its preference number
|
|
for idx, name in ipairs(self.preferred_dictionaries) do
|
|
if self.dictionary == name then
|
|
-- Use number in circle symbol (U+2460...2473)
|
|
local symbol = util.unicodeCodepointToUtf8(0x245F + (idx < 20 and idx or 20))
|
|
self.displaydictname = symbol .. " " .. self.displaydictname
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Don't call update when called from init
|
|
if not skip_update then
|
|
self:update()
|
|
end
|
|
end
|
|
|
|
--[[ No longer used
|
|
function DictQuickLookup:changeToDefaultDict()
|
|
if self.dictionary then
|
|
-- dictionaries that have definition of the first word(accurate word)
|
|
-- excluding Fuzzy queries.
|
|
local n_accurate_dicts = nil
|
|
local default_word = self.results[1].word
|
|
for i=1, #self.results do
|
|
if self.results[i].word == default_word then
|
|
n_accurate_dicts = i
|
|
else
|
|
break
|
|
end
|
|
end
|
|
-- change to dictionary specified by self.dictionary
|
|
for i=1, n_accurate_dicts do
|
|
if self.results[i].dict == self.dictionary then
|
|
self:changeDictionary(i)
|
|
break
|
|
end
|
|
-- cannot find definition in default dictionary
|
|
if i == n_accurate_dicts then
|
|
self:changeDictionary(1)
|
|
end
|
|
end
|
|
else
|
|
self:changeDictionary(1)
|
|
end
|
|
end
|
|
]]--
|
|
|
|
function DictQuickLookup:onReadNextResult()
|
|
self:changeToNextDict()
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onReadPrevResult()
|
|
local prev_index = self.dict_index
|
|
self:changeToPrevDict()
|
|
if self.dict_index ~= prev_index then
|
|
-- Jump directly to bottom of previous dict definition
|
|
-- to keep "continuous reading with tap" consistent
|
|
self.definition_widget[1]:scrollToRatio(1) -- 1 = 100% = bottom
|
|
end
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onTap(arg, ges_ev)
|
|
if ges_ev.pos:notIntersectWith(self.dict_frame.dimen) then
|
|
self:onClose()
|
|
return true
|
|
end
|
|
if ges_ev.pos:intersectWith(self.dict_title.dimen) and not self.is_wiki then
|
|
self.ui:handleEvent(Event:new("TogglePreferredDict", self.dictionary))
|
|
-- Re-display current result, with title bar updated
|
|
self:changeDictionary(self.dict_index)
|
|
return true
|
|
end
|
|
if ges_ev.pos:intersectWith(self.definition_widget.dimen) then
|
|
-- Allow for changing dict with tap (tap event will be first
|
|
-- processed for scrolling definition by ScrollTextWidget, which
|
|
-- will pop it up for us here when it can't scroll anymore).
|
|
-- This allow for continuous reading of results' definitions with tap.
|
|
if BD.flipIfMirroredUILayout(ges_ev.pos.x < Screen:getWidth()/2) then
|
|
self:onReadPrevResult()
|
|
else
|
|
self:onReadNextResult()
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onClose()
|
|
UIManager:close(self)
|
|
for i = #self.window_list, 1, -1 do
|
|
local window = self.window_list[i]
|
|
if window == self then
|
|
table.remove(self.window_list, i)
|
|
end
|
|
end
|
|
if self.highlight then
|
|
-- delay unhighlight of selection, so we can see where we stopped when
|
|
-- back from our journey into dictionary or wikipedia
|
|
local clear_id = self.highlight:getClearId()
|
|
UIManager:scheduleIn(0.5, function()
|
|
self.highlight:clear(clear_id)
|
|
end)
|
|
end
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onHoldClose(no_clear)
|
|
self:onClose()
|
|
for i = #self.window_list, 1, -1 do
|
|
local window = self.window_list[i]
|
|
-- if one holds a highlight, let's clear it like in onClose()
|
|
if window.highlight and not no_clear then
|
|
local clear_id = window.highlight:getClearId()
|
|
UIManager:scheduleIn(0.5, function()
|
|
window.highlight:clear(clear_id)
|
|
end)
|
|
end
|
|
UIManager:close(window)
|
|
table.remove(self.window_list, i)
|
|
end
|
|
return true
|
|
end
|
|
|
|
function DictQuickLookup:onSwipe(arg, ges)
|
|
if ges.pos:intersectWith(self.definition_widget.dimen) then
|
|
-- if we want changeDict to still work with swipe outside window :
|
|
-- or not ges.pos:intersectWith(self.dict_frame.dimen) then
|
|
local direction = BD.flipDirectionIfMirroredUILayout(ges.direction)
|
|
if direction == "west" then
|
|
self:changeToNextDict()
|
|
elseif direction == "east" then
|
|
self:changeToPrevDict()
|
|
else
|
|
if self.refresh_callback then self.refresh_callback() end
|
|
-- update footer (time & battery)
|
|
self.ui:handleEvent(Event:new("UpdateFooter", true))
|
|
-- trigger a full-screen HQ flashing refresh
|
|
UIManager:setDirty(nil, "full")
|
|
-- a long diagonal swipe may also be used for taking a screenshot,
|
|
-- so let it propagate
|
|
return false
|
|
end
|
|
return true
|
|
end
|
|
-- Let our MovableContainer handle swipe outside of definition
|
|
return self.movable:onMovableSwipe(arg, ges)
|
|
end
|
|
|
|
function DictQuickLookup:onHoldStartText(_, ges)
|
|
-- Forward Hold events not processed by TextBoxWidget event handler
|
|
-- to our MovableContainer
|
|
return self.movable:onMovableHold(_, ges)
|
|
end
|
|
|
|
function DictQuickLookup:onHoldPanText(_, ges)
|
|
-- Forward Hold events not processed by TextBoxWidget event handler
|
|
-- to our MovableContainer
|
|
-- We only forward it if we did forward the Touch
|
|
if self.movable._touch_pre_pan_was_inside then
|
|
return self.movable:onMovableHoldPan(arg, ges)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:onHoldReleaseText(_, ges)
|
|
-- Forward Hold events not processed by TextBoxWidget event handler
|
|
-- to our MovableContainer
|
|
return self.movable:onMovableHoldRelease(_, ges)
|
|
end
|
|
|
|
-- These 3 event processors are just used to forward these events
|
|
-- to our MovableContainer, under certain conditions, to avoid
|
|
-- unwanted moves of the window while we are selecting text in
|
|
-- the definition widget.
|
|
function DictQuickLookup:onForwardingTouch(arg, ges)
|
|
-- This Touch may be used as the Hold we don't get (for example,
|
|
-- when we start our Hold on the bottom buttons)
|
|
if not ges.pos:intersectWith(self.definition_widget.dimen) then
|
|
return self.movable:onMovableTouch(arg, ges)
|
|
else
|
|
-- Ensure this is unset, so we can use it to not forward HoldPan
|
|
self.movable._touch_pre_pan_was_inside = false
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:onForwardingPan(arg, ges)
|
|
-- We only forward it if we did forward the Touch or are currently moving
|
|
if self.movable._touch_pre_pan_was_inside or self.movable._moving then
|
|
return self.movable:onMovablePan(arg, ges)
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:onForwardingPanRelease(arg, ges)
|
|
-- We can forward onMovablePanRelease() does enough checks
|
|
return self.movable:onMovablePanRelease(arg, ges)
|
|
end
|
|
|
|
function DictQuickLookup:lookupInputWord(hint)
|
|
self.input_dialog = InputDialog:new{
|
|
title = _("Input lookup word"),
|
|
input = hint,
|
|
input_hint = hint or "",
|
|
input_type = "text",
|
|
buttons = {
|
|
{
|
|
{
|
|
text = _("Cancel"),
|
|
callback = function()
|
|
self:closeInputDialog()
|
|
end,
|
|
},
|
|
{
|
|
text = _("Lookup"),
|
|
is_enter_default = true,
|
|
callback = function()
|
|
self:closeInputDialog()
|
|
self:onClose()
|
|
self:inputLookup()
|
|
end,
|
|
},
|
|
}
|
|
},
|
|
}
|
|
UIManager:show(self.input_dialog)
|
|
self.input_dialog:onShowKeyboard()
|
|
end
|
|
|
|
function DictQuickLookup:inputLookup()
|
|
local word = self.input_dialog:getInputText()
|
|
if word and word ~= "" then
|
|
local event
|
|
if self.is_wiki then
|
|
event = "LookupWikipedia"
|
|
self:resyncWikiLanguages()
|
|
else
|
|
event = "LookupWord"
|
|
end
|
|
-- Trust that input text does not need any cleaning (allows querying for "-suffix")
|
|
self.ui:handleEvent(Event:new(event, word, true))
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:closeInputDialog()
|
|
UIManager:close(self.input_dialog)
|
|
end
|
|
|
|
function DictQuickLookup:resyncWikiLanguages(rotate)
|
|
-- Resync the current language or rotate it from its state when
|
|
-- this window was created (we may have rotated it later in other
|
|
-- wikipedia windows that we closed and went back here, and its
|
|
-- state would not be what the wikipedia language button is showing.
|
|
if not self.wiki_languages_copy then
|
|
return
|
|
end
|
|
if rotate then
|
|
-- rotate our saved wiki_languages copy
|
|
local current_lang = table.remove(self.wiki_languages_copy, 1)
|
|
table.insert(self.wiki_languages_copy, current_lang)
|
|
end
|
|
-- re-set self.wiki_languages with original (possibly rotated) items
|
|
for i, lang in ipairs(self.wiki_languages_copy) do
|
|
self.wiki_languages[i] = lang
|
|
end
|
|
end
|
|
|
|
function DictQuickLookup:lookupWikipedia(get_fullpage)
|
|
local word
|
|
local is_sane
|
|
if get_fullpage then
|
|
-- we use the word of the displayed result's definition, which
|
|
-- is the exact title of the full wikipedia page
|
|
word = self.lookupword
|
|
is_sane = true
|
|
else
|
|
-- we use the original word that was querried
|
|
word = self.word
|
|
is_sane = false
|
|
end
|
|
self:resyncWikiLanguages()
|
|
self.ui:handleEvent(Event:new("LookupWikipedia", word, is_sane, self.word_box, get_fullpage))
|
|
end
|
|
|
|
return DictQuickLookup
|