mirror of
https://github.com/koreader/koreader
synced 2024-11-16 06:12:56 +00:00
2098 lines
87 KiB
Lua
2098 lines
87 KiB
Lua
local BD = require("ui/bidi")
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local ButtonDialog = require("ui/widget/buttondialog")
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local Device = require("device")
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local Event = require("ui/event")
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local Geom = require("ui/geometry")
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local InfoMessage = require("ui/widget/infomessage")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local Notification = require("ui/widget/notification")
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local TextViewer = require("ui/widget/textviewer")
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local Translator = require("ui/translator")
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local UIManager = require("ui/uimanager")
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local dbg = require("dbg")
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local logger = require("logger")
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local util = require("util")
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local Size = require("ui/size")
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local ffiUtil = require("ffi/util")
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local time = require("ui/time")
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local _ = require("gettext")
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local C_ = _.pgettext
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local T = require("ffi/util").template
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local Screen = Device.screen
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local ReaderHighlight = InputContainer:new{
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}
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local function inside_box(pos, box)
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if pos then
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local x, y = pos.x, pos.y
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if box.x <= x and box.y <= y
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and box.x + box.w >= x
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and box.y + box.h >= y then
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return true
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end
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end
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end
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local function cleanupSelectedText(text)
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-- Trim spaces and new lines at start and end
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text = text:gsub("^[\n%s]*", "")
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text = text:gsub("[\n%s]*$", "")
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-- Trim spaces around newlines
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text = text:gsub("%s*\n%s*", "\n")
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-- Trim consecutive spaces (that would probably have collapsed
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-- in rendered CreDocuments)
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text = text:gsub("%s%s+", " ")
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return text
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end
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function ReaderHighlight:init()
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self.select_mode = false -- extended highlighting
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self._start_indicator_highlight = false
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self._current_indicator_pos = nil
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self._previous_indicator_pos = nil
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self._last_indicator_move_args = {dx = 0, dy = 0, distance = 0, time = time:now()}
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if Device:hasDPad() then
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-- Used for text selection with dpad/keys
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local QUICK_INDICTOR_MOVE = true
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self.key_events.StopHighlightIndicator = { {Device.input.group.Back}, doc = "Stop non-touch highlight", args = true } -- true: clear highlight selection
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self.key_events.UpHighlightIndicator = { {"Up"}, doc = "move indicator up", event = "MoveHighlightIndicator", args = {0, -1} }
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self.key_events.DownHighlightIndicator = { {"Down"}, doc = "move indicator down", event = "MoveHighlightIndicator", args = {0, 1} }
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-- let FewKeys device can move indicator left
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self.key_events.LeftHighlightIndicator = { {"Left"}, doc = "move indicator left", event = "MoveHighlightIndicator", args = {-1, 0} }
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self.key_events.RightHighlightIndicator = { {"Right"}, doc = "move indicator right", event = "MoveHighlightIndicator", args = {1, 0} }
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self.key_events.HighlightPress = { {"Press"}, doc = "highlight start or end" }
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if Device:hasKeys() then
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self.key_events.QuickUpHighlightIndicator = { {"Shift", "Up"}, doc = "quick move indicator up", event = "MoveHighlightIndicator", args = {0, -1, QUICK_INDICTOR_MOVE} }
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self.key_events.QuickDownHighlightIndicator = { {"Shift", "Down"}, doc = "quick move indicator down", event = "MoveHighlightIndicator", args = {0, 1, QUICK_INDICTOR_MOVE} }
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self.key_events.QuickLeftHighlightIndicator = { {"Shift", "Left"}, doc = "quick move indicator left", event = "MoveHighlightIndicator", args = {-1, 0, QUICK_INDICTOR_MOVE} }
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self.key_events.QuickRightHighlightIndicator = { {"Shift", "Right"}, doc = "quick move indicator right", event = "MoveHighlightIndicator", args = {1, 0, QUICK_INDICTOR_MOVE} }
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self.key_events.StartHighlightIndicator = { {"H"}, doc = "start non-touch highlight" }
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end
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end
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self._highlight_buttons = {
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-- highlight and add_note are for the document itself,
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-- so we put them first.
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["01_select"] = function(this)
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return {
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text = _("Select"),
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enabled = this.hold_pos ~= nil,
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callback = function()
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this:startSelection()
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this:onClose()
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end,
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}
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end,
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["02_highlight"] = function(this)
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return {
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text = _("Highlight"),
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callback = function()
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this:saveHighlight(true)
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this:onClose()
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end,
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enabled = this.hold_pos ~= nil,
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}
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end,
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["03_copy"] = function(this)
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return {
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text = C_("Text", "Copy"),
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enabled = Device:hasClipboard(),
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callback = function()
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Device.input.setClipboardText(cleanupSelectedText(this.selected_text.text))
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this:onClose()
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UIManager:show(Notification:new{
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text = _("Selection copied to clipboard."),
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})
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end,
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}
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end,
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["04_add_note"] = function(this)
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return {
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text = _("Add Note"),
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callback = function()
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this:addNote()
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this:onClose()
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end,
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enabled = this.hold_pos ~= nil,
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}
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end,
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-- then information lookup functions, putting on the left those that
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-- depend on an internet connection.
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["05_wikipedia"] = function(this)
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return {
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text = _("Wikipedia"),
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callback = function()
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UIManager:scheduleIn(0.1, function()
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this:lookupWikipedia()
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-- We don't call this:onClose(), we need the highlight
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-- to still be there, as we may Highlight it from the
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-- dict lookup widget.
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end)
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end,
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}
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end,
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["06_dictionary"] = function(this)
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return {
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text = _("Dictionary"),
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callback = function()
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this:onHighlightDictLookup()
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-- We don't call this:onClose(), same reason as above
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end,
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}
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end,
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["07_translate"] = function(this, page, index)
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return {
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text = _("Translate"),
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callback = function()
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this:translate(this.selected_text, page, index)
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-- We don't call this:onClose(), so one can still see
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-- the highlighted text when moving the translated
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-- text window, and also if NetworkMgr:promptWifiOn()
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-- is needed, so the user can just tap again on this
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-- button and does not need to select the text again.
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end,
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}
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end,
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-- buttons 08-11 are conditional ones, so the number of buttons can be even or odd
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-- let the Search button be the last, occasionally narrow or wide, less confusing
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["12_search"] = function(this)
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return {
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text = _("Search"),
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callback = function()
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this:onHighlightSearch()
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-- We don't call this:onClose(), crengine will highlight
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-- search matches on the current page, and self:clear()
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-- would redraw and remove crengine native highlights
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end,
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}
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end,
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}
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-- Android devices
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if Device:canShareText() then
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local action = _("Share Text")
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self:addToHighlightDialog("08_share_text", function(this)
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return {
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text = action,
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callback = function()
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local text = cleanupSelectedText(this.selected_text.text)
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-- call self:onClose() before calling the android framework
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this:onClose()
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Device:doShareText(text, action)
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end,
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}
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end)
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end
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-- cre documents only
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if not self.document.info.has_pages then
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self:addToHighlightDialog("09_view_html", function(this)
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return {
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text = _("View HTML"),
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callback = function()
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this:viewSelectionHTML()
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end,
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}
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end)
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end
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-- User hyphenation dict
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self:addToHighlightDialog("10_user_dict", function(this)
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return {
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text= _("Hyphenate"),
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show_in_highlight_dialog_func = function()
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return this.ui.userhyph and this.ui.userhyph:isAvailable()
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and not this.selected_text.text:find("[ ,;-%.\n]")
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end,
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callback = function()
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this.ui.userhyph:modifyUserEntry(this.selected_text.text)
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this:onClose()
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end,
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}
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end)
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-- Links
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self:addToHighlightDialog("11_follow_link", function(this)
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return {
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text = _("Follow Link"),
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show_in_highlight_dialog_func = function()
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return this.selected_link ~= nil
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end,
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callback = function()
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local link = this.selected_link.link or this.selected_link
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this.ui.link:onGotoLink(link)
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this:onClose()
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end,
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}
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end)
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self.ui:registerPostInitCallback(function()
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self.ui.menu:registerToMainMenu(self)
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end)
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end
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function ReaderHighlight:setupTouchZones()
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-- deligate gesture listener to readerui
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self.ges_events = {}
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self.onGesture = nil
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if not Device:isTouchDevice() then return end
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local hold_pan_rate = G_reader_settings:readSetting("hold_pan_rate")
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if not hold_pan_rate then
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hold_pan_rate = Screen.low_pan_rate and 5.0 or 30.0
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end
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self.ui:registerTouchZones({
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{
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id = "readerhighlight_tap",
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ges = "tap",
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screen_zone = {
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ratio_x = 0, ratio_y = 0, ratio_w = 1, ratio_h = 1,
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},
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overrides = {
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-- Tap on existing highlights have priority over
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-- everything but tap on links (as links can be
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-- part of some highlighted text)
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"tap_top_left_corner",
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"tap_top_right_corner",
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"tap_left_bottom_corner",
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"tap_right_bottom_corner",
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"readerfooter_tap",
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"readerconfigmenu_ext_tap",
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"readerconfigmenu_tap",
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"readermenu_ext_tap",
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"readermenu_tap",
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"tap_forward",
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"tap_backward",
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},
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handler = function(ges) return self:onTap(nil, ges) end
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},
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{
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id = "readerhighlight_hold",
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ges = "hold",
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screen_zone = {
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ratio_x = 0, ratio_y = 0, ratio_w = 1, ratio_h = 1,
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},
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handler = function(ges) return self:onHold(nil, ges) end
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},
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{
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id = "readerhighlight_hold_release",
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ges = "hold_release",
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screen_zone = {
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ratio_x = 0, ratio_y = 0, ratio_w = 1, ratio_h = 1,
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},
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handler = function() return self:onHoldRelease() end
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},
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{
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id = "readerhighlight_hold_pan",
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ges = "hold_pan",
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rate = hold_pan_rate,
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screen_zone = {
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ratio_x = 0, ratio_y = 0, ratio_w = 1, ratio_h = 1,
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},
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handler = function(ges) return self:onHoldPan(nil, ges) end
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},
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})
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end
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function ReaderHighlight:onReaderReady()
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self:setupTouchZones()
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end
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local highlight_style = {
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{_("Lighten"), "lighten"},
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{_("Underline"), "underscore"},
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{_("Strikeout"), "strikeout"},
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{_("Invert"), "invert"},
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}
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local note_mark = {
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{_("None"), "none"},
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{_("Underline"), "underline"},
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{_("Side line"), "sideline"},
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{_("Side mark"), "sidemark"},
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}
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local long_press_action = {
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{_("Ask with popup dialog"), "ask"},
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{_("Do nothing"), "nothing"},
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{_("Highlight"), "highlight"},
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{_("Select and highlight"), "select"},
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{_("Translate"), "translate"},
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{_("Wikipedia"), "wikipedia"},
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{_("Dictionary"), "dictionary"},
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{_("Fulltext search"), "search"},
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}
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function ReaderHighlight:addToMainMenu(menu_items)
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-- insert table to main reader menu
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if not Device:isTouchDevice() and Device:hasDPad() then
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menu_items.start_content_selection = {
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text = _("Start content selection"),
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callback = function()
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self:onStartHighlightIndicator()
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end,
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}
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end
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menu_items.highlight_options = {
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text = _("Highlight style"),
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sub_item_table = {},
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}
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for i, v in ipairs(highlight_style) do
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table.insert(menu_items.highlight_options.sub_item_table, {
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text_func = function()
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local text = v[1]
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if v[2] == G_reader_settings:readSetting("highlight_drawing_style") then
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text = text .. " ★"
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end
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return text
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end,
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checked_func = function()
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return self.view.highlight.saved_drawer == v[2]
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end,
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radio = true,
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callback = function()
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self.view.highlight.saved_drawer = v[2]
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end,
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hold_callback = function(touchmenu_instance)
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G_reader_settings:saveSetting("highlight_drawing_style", v[2])
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end,
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separator = i == #highlight_style,
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})
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end
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table.insert(menu_items.highlight_options.sub_item_table, {
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text_func = function()
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return T(_("Highlight opacity: %1"), G_reader_settings:readSetting("highlight_lighten_factor", 0.2))
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end,
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enabled_func = function()
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return self.view.highlight.saved_drawer == "lighten"
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end,
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callback = function(touchmenu_instance)
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local SpinWidget = require("ui/widget/spinwidget")
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local curr_val = G_reader_settings:readSetting("highlight_lighten_factor", 0.2)
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local spin_widget = SpinWidget:new{
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value = curr_val,
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value_min = 0,
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value_max = 1,
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precision = "%.2f",
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value_step = 0.1,
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value_hold_step = 0.25,
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default_value = 0.2,
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keep_shown_on_apply = true,
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title_text = _("Highlight opacity"),
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info_text = _("The higher the value, the darker the highlight."),
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callback = function(spin)
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G_reader_settings:saveSetting("highlight_lighten_factor", spin.value)
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self.view.highlight.lighten_factor = spin.value
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UIManager:setDirty(self.dialog, "ui")
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end
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}
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UIManager:show(spin_widget)
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end,
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})
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table.insert(menu_items.highlight_options.sub_item_table, {
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text_func = function()
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local notemark = self.view.highlight.note_mark or "none"
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for __, v in ipairs(note_mark) do
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if v[2] == notemark then
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return T(_("Note marker: %1"), string.lower(v[1]))
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end
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end
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end,
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callback = function(touchmenu_instance)
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local notemark = self.view.highlight.note_mark or "none"
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local radio_buttons = {}
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for _, v in ipairs(note_mark) do
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table.insert(radio_buttons, {
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{
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text = v[1],
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checked = v[2] == notemark,
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provider = v[2],
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},
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})
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end
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UIManager:show(require("ui/widget/radiobuttonwidget"):new{
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title_text = _("Note marker"),
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width_factor = 0.5,
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keep_shown_on_apply = true,
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radio_buttons = radio_buttons,
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callback = function(radio)
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if radio.provider == "none" then
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self.view.highlight.note_mark = nil
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G_reader_settings:delSetting("highlight_note_marker")
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else
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self.view.highlight.note_mark = radio.provider
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G_reader_settings:saveSetting("highlight_note_marker", radio.provider)
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end
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self.view:setupNoteMarkPosition()
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UIManager:setDirty(self.dialog, "ui")
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end,
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})
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end,
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})
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if self.document.info.has_pages then
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menu_items.panel_zoom_options = {
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text = _("Panel zoom (manga/comic)"),
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sub_item_table = self:genPanelZoomMenu(),
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}
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end
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menu_items.translation_settings = Translator:genSettingsMenu()
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menu_items.long_press = {
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text = _("Long-press on text"),
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sub_item_table = {
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{
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text_func = function()
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return T(_("Highlight long-press interval: %1 s"),
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G_reader_settings:readSetting("highlight_long_hold_threshold_s", 3))
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end,
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keep_menu_open = true,
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callback = function(touchmenu_instance)
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local SpinWidget = require("ui/widget/spinwidget")
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local items = SpinWidget:new{
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title_text = _("Highlight long-press interval"),
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info_text = _([[
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If a touch is not released in this interval, it is considered a long-press. On document text, single word selection will not be triggered.
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The interval value is in seconds and can range from 3 to 20 seconds.]]),
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width = math.floor(Screen:getWidth() * 0.75),
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value = G_reader_settings:readSetting("highlight_long_hold_threshold_s", 3),
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value_min = 3,
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value_max = 20,
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value_step = 1,
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value_hold_step = 5,
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unit = C_("Time", "s"),
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ok_text = _("Set interval"),
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default_value = 3,
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callback = function(spin)
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G_reader_settings:saveSetting("highlight_long_hold_threshold_s", spin.value)
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end
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}
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UIManager:show(items)
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end,
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},
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{
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text = _("Dictionary on single word selection"),
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checked_func = function()
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return not self.view.highlight.disabled and G_reader_settings:nilOrFalse("highlight_action_on_single_word")
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end,
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enabled_func = function()
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return not self.view.highlight.disabled
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end,
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callback = function()
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G_reader_settings:flipNilOrFalse("highlight_action_on_single_word")
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end,
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separator = true,
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},
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},
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}
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for _, v in ipairs(long_press_action) do
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table.insert(menu_items.long_press.sub_item_table, {
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text = v[1],
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checked_func = function()
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return G_reader_settings:readSetting("default_highlight_action", "ask") == v[2]
|
|
end,
|
|
radio = true,
|
|
callback = function()
|
|
G_reader_settings:saveSetting("default_highlight_action", v[2])
|
|
self.view.highlight.disabled = v[2] == "nothing"
|
|
end,
|
|
})
|
|
end
|
|
-- long_press menu is under taps_and_gestures menu which is not available for non touch device
|
|
-- Clone long_press menu and change label making much meaning for non touch devices
|
|
if not Device:isTouchDevice() and Device:hasDPad() then
|
|
menu_items.selection_text = util.tableDeepCopy(menu_items.long_press)
|
|
menu_items.selection_text.text = _("Select on text")
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:genPanelZoomMenu()
|
|
return {
|
|
{
|
|
text = _("Allow panel zoom"),
|
|
checked_func = function()
|
|
return self.panel_zoom_enabled
|
|
end,
|
|
callback = function()
|
|
self:onTogglePanelZoomSetting()
|
|
end,
|
|
hold_callback = function()
|
|
local ext = util.getFileNameSuffix(self.ui.document.file)
|
|
local curr_val = G_reader_settings:getSettingForExt("panel_zoom_enabled", ext)
|
|
G_reader_settings:saveSettingForExt("panel_zoom_enabled", not curr_val, ext)
|
|
end,
|
|
separator = true,
|
|
},
|
|
{
|
|
text = _("Fall back to text selection"),
|
|
checked_func = function()
|
|
return self.panel_zoom_fallback_to_text_selection
|
|
end,
|
|
callback = function()
|
|
self:onToggleFallbackTextSelection()
|
|
end,
|
|
hold_callback = function()
|
|
local ext = util.getFileNameSuffix(self.ui.document.file)
|
|
G_reader_settings:saveSettingForExt("panel_zoom_fallback_to_text_selection", self.panel_zoom_fallback_to_text_selection, ext)
|
|
end,
|
|
separator = true,
|
|
},
|
|
}
|
|
end
|
|
|
|
-- Returns a unique id, that can be provided on delayed call to :clear(id)
|
|
-- to ensure current highlight has not already been cleared, and that we
|
|
-- are not going to clear a new highlight
|
|
function ReaderHighlight:getClearId()
|
|
self.clear_id = UIManager:getTime() -- can act as a unique id
|
|
return self.clear_id
|
|
end
|
|
|
|
function ReaderHighlight:clear(clear_id)
|
|
if clear_id then -- should be provided by delayed call to clear()
|
|
if clear_id ~= self.clear_id then
|
|
-- if clear_id is no longer valid, highlight has already been
|
|
-- cleared since this clear_id was given
|
|
return
|
|
end
|
|
end
|
|
self.clear_id = nil -- invalidate id
|
|
if not self.ui.document then
|
|
-- might happen if scheduled and run after document is closed
|
|
return
|
|
end
|
|
if self.ui.document.info.has_pages then
|
|
self.view.highlight.temp = {}
|
|
else
|
|
self.ui.document:clearSelection()
|
|
end
|
|
if self.restore_page_mode_func then
|
|
self.restore_page_mode_func()
|
|
self.restore_page_mode_func = nil
|
|
end
|
|
self.is_word_selection = false
|
|
self.selected_text_start_xpointer = nil
|
|
if self.hold_pos then
|
|
self.hold_pos = nil
|
|
self.selected_text = nil
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
return true
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onClearHighlight()
|
|
self:clear()
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:onTap(_, ges)
|
|
-- We only actually need to clear if we have something to clear in the first place.
|
|
-- (We mainly want to avoid CRe's clearSelection,
|
|
-- which may incur a redraw as it invalidates the cache, c.f., #6854)
|
|
-- ReaderHighlight:clear can only return true if self.hold_pos was set anyway.
|
|
local cleared = self.hold_pos and self:clear()
|
|
-- We only care about potential taps on existing highlights, not on taps that closed a highlight menu.
|
|
if not cleared and ges and not self.select_mode then
|
|
if self.ui.document.info.has_pages then
|
|
return self:onTapPageSavedHighlight(ges)
|
|
else
|
|
return self:onTapXPointerSavedHighlight(ges)
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onTapPageSavedHighlight(ges)
|
|
local pages = self.view:getCurrentPageList()
|
|
local pos = self.view:screenToPageTransform(ges.pos)
|
|
for key, page in pairs(pages) do
|
|
local items = self.view.highlight.saved[page]
|
|
if items then
|
|
for i = 1, #items do
|
|
local pos0, pos1 = items[i].pos0, items[i].pos1
|
|
local boxes = self.ui.document:getPageBoxesFromPositions(page, pos0, pos1)
|
|
if boxes then
|
|
for index, box in pairs(boxes) do
|
|
if inside_box(pos, box) then
|
|
logger.dbg("Tap on highlight")
|
|
return self:onShowHighlightNoteOrDialog(page, i)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onTapXPointerSavedHighlight(ges)
|
|
-- Getting screen boxes is done for each tap on screen (changing pages,
|
|
-- showing menu...). We might want to cache these boxes per page (and
|
|
-- clear that cache when page layout change or highlights are added
|
|
-- or removed).
|
|
local cur_view_top, cur_view_bottom
|
|
local pos = self.view:screenToPageTransform(ges.pos)
|
|
-- NOTE: By now, pos.page is set, but if a highlight spans across multiple pages,
|
|
-- it's stored under the hash of its *starting* point,
|
|
-- so we can't just check the current page, hence the giant hashwalk of death...
|
|
-- We can't even limit the walk to page <= pos.page,
|
|
-- because pos.page isn't super accurate in continuous mode
|
|
-- (it's the page number for what's it the topleft corner of the screen,
|
|
-- i.e., often a bit earlier)...
|
|
for page, items in pairs(self.view.highlight.saved) do
|
|
if items then
|
|
for i = 1, #items do
|
|
local item = items[i]
|
|
local pos0, pos1 = item.pos0, item.pos1
|
|
-- document:getScreenBoxesFromPositions() is expensive, so we
|
|
-- first check this item is on current page
|
|
if not cur_view_top then
|
|
-- Even in page mode, it's safer to use pos and ui.dimen.h
|
|
-- than pages' xpointers pos, even if ui.dimen.h is a bit
|
|
-- larger than pages' heights
|
|
cur_view_top = self.ui.document:getCurrentPos()
|
|
if self.view.view_mode == "page" and self.ui.document:getVisiblePageCount() > 1 then
|
|
cur_view_bottom = cur_view_top + 2 * self.ui.dimen.h
|
|
else
|
|
cur_view_bottom = cur_view_top + self.ui.dimen.h
|
|
end
|
|
end
|
|
local spos0 = self.ui.document:getPosFromXPointer(pos0)
|
|
local spos1 = self.ui.document:getPosFromXPointer(pos1)
|
|
local start_pos = math.min(spos0, spos1)
|
|
local end_pos = math.max(spos0, spos1)
|
|
if start_pos <= cur_view_bottom and end_pos >= cur_view_top then
|
|
local boxes = self.ui.document:getScreenBoxesFromPositions(pos0, pos1, true) -- get_segments=true
|
|
if boxes then
|
|
for index, box in pairs(boxes) do
|
|
if inside_box(pos, box) then
|
|
logger.dbg("Tap on highlight")
|
|
return self:onShowHighlightNoteOrDialog(page, i)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:updateHighlight(page, index, side, direction, move_by_char)
|
|
if self.ui.document.info.has_pages then -- we do this only if it's epub file
|
|
return
|
|
end
|
|
|
|
local highlight = self.view.highlight.saved[page][index]
|
|
local highlight_time = highlight.datetime
|
|
local highlight_beginning = highlight.pos0
|
|
local highlight_end = highlight.pos1
|
|
if side == 0 then -- we move pos0
|
|
local updated_highlight_beginning
|
|
if direction == 1 then -- move highlight to the right
|
|
if move_by_char then
|
|
updated_highlight_beginning = self.ui.document:getNextVisibleChar(highlight_beginning)
|
|
else
|
|
updated_highlight_beginning = self.ui.document:getNextVisibleWordStart(highlight_beginning)
|
|
end
|
|
else -- move highlight to the left
|
|
if move_by_char then
|
|
updated_highlight_beginning = self.ui.document:getPrevVisibleChar(highlight_beginning)
|
|
else
|
|
updated_highlight_beginning = self.ui.document:getPrevVisibleWordStart(highlight_beginning)
|
|
end
|
|
end
|
|
if updated_highlight_beginning then
|
|
local order = self.ui.document:compareXPointers(updated_highlight_beginning, highlight_end)
|
|
if order and order > 0 then -- only if beginning did not go past end
|
|
self.view.highlight.saved[page][index].pos0 = updated_highlight_beginning
|
|
end
|
|
end
|
|
else -- we move pos1
|
|
local updated_highlight_end
|
|
if direction == 1 then -- move highlight to the right
|
|
if move_by_char then
|
|
updated_highlight_end = self.ui.document:getNextVisibleChar(highlight_end)
|
|
else
|
|
updated_highlight_end = self.ui.document:getNextVisibleWordEnd(highlight_end)
|
|
end
|
|
else -- move highlight to the left
|
|
if move_by_char then
|
|
updated_highlight_end = self.ui.document:getPrevVisibleChar(highlight_end)
|
|
else
|
|
updated_highlight_end = self.ui.document:getPrevVisibleWordEnd(highlight_end)
|
|
end
|
|
end
|
|
if updated_highlight_end then
|
|
local order = self.ui.document:compareXPointers(highlight_beginning, updated_highlight_end)
|
|
if order and order > 0 then -- only if end did not go back past beginning
|
|
self.view.highlight.saved[page][index].pos1 = updated_highlight_end
|
|
end
|
|
end
|
|
end
|
|
|
|
local new_beginning = self.view.highlight.saved[page][index].pos0
|
|
local new_end = self.view.highlight.saved[page][index].pos1
|
|
local new_text = self.ui.document:getTextFromXPointers(new_beginning, new_end)
|
|
local new_chapter = self.ui.toc:getTocTitleByPage(new_beginning)
|
|
self.view.highlight.saved[page][index].text = cleanupSelectedText(new_text)
|
|
self.view.highlight.saved[page][index].chapter = new_chapter
|
|
local new_highlight = self.view.highlight.saved[page][index]
|
|
self.ui.bookmark:updateBookmark({
|
|
page = highlight_beginning,
|
|
datetime = highlight_time,
|
|
updated_highlight = new_highlight
|
|
})
|
|
if side == 0 then
|
|
-- Ensure we show the page with the new beginning of highlight
|
|
if not self.ui.document:isXPointerInCurrentPage(new_beginning) then
|
|
self.ui:handleEvent(Event:new("GotoXPointer", new_beginning))
|
|
end
|
|
else
|
|
-- Ensure we show the page with the new end of highlight
|
|
if not self.ui.document:isXPointerInCurrentPage(new_end) then
|
|
if self.view.view_mode == "page" then
|
|
self.ui:handleEvent(Event:new("GotoXPointer", new_end))
|
|
else
|
|
-- Not easy to get the y that would show the whole line
|
|
-- containing new_end. So, we scroll so that new_end
|
|
-- is at 2/3 of the screen.
|
|
local end_y = self.ui.document:getPosFromXPointer(new_end)
|
|
local top_y = end_y - math.floor(Screen:getHeight() * 2/3)
|
|
self.ui.rolling:_gotoPos(top_y)
|
|
end
|
|
end
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
end
|
|
|
|
function ReaderHighlight:onShowHighlightNoteOrDialog(page, index)
|
|
local item = self.view.highlight.saved[page][index]
|
|
local bookmark_note = self.ui.bookmark:getBookmarkNote({
|
|
page = self.ui.document.info.has_pages and item.pos0.page or item.pos0,
|
|
datetime = item.datetime,
|
|
})
|
|
if bookmark_note then
|
|
local textviewer
|
|
textviewer = TextViewer:new{
|
|
title = _("Note"),
|
|
text = bookmark_note,
|
|
width = math.floor(math.min(Screen:getWidth(), Screen:getHeight()) * 0.8),
|
|
height = math.floor(math.max(Screen:getWidth(), Screen:getHeight()) * 0.4),
|
|
justified = G_reader_settings:nilOrTrue("dict_justify"),
|
|
buttons_table = {
|
|
{
|
|
{
|
|
text = _("Close"),
|
|
callback = function()
|
|
UIManager:close(textviewer)
|
|
end,
|
|
},
|
|
{
|
|
text = _("Edit highlight"),
|
|
callback = function()
|
|
UIManager:close(textviewer)
|
|
self:onShowHighlightDialog(page, index, false)
|
|
end,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
UIManager:show(textviewer)
|
|
else
|
|
self:onShowHighlightDialog(page, index, true)
|
|
end
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:onShowHighlightDialog(page, index, is_auto_text)
|
|
local buttons = {
|
|
{
|
|
{
|
|
text = _("Delete"),
|
|
callback = function()
|
|
self:deleteHighlight(page, index)
|
|
-- other part outside of the dialog may be dirty
|
|
UIManager:close(self.edit_highlight_dialog, "ui")
|
|
self.edit_highlight_dialog = nil
|
|
end,
|
|
},
|
|
{
|
|
text = C_("Highlight", "Style"),
|
|
callback = function()
|
|
self:editHighlightStyle(page, index)
|
|
UIManager:close(self.edit_highlight_dialog)
|
|
self.edit_highlight_dialog = nil
|
|
end,
|
|
},
|
|
{
|
|
text = is_auto_text and _("Add note") or _("Edit note"),
|
|
callback = function()
|
|
self:editHighlight(page, index)
|
|
UIManager:close(self.edit_highlight_dialog)
|
|
self.edit_highlight_dialog = nil
|
|
end,
|
|
},
|
|
{
|
|
text = "…",
|
|
callback = function()
|
|
self.selected_text = self.view.highlight.saved[page][index]
|
|
self:onShowHighlightMenu(page, index)
|
|
UIManager:close(self.edit_highlight_dialog)
|
|
self.edit_highlight_dialog = nil
|
|
end,
|
|
},
|
|
}
|
|
}
|
|
|
|
if self.ui.rolling then
|
|
local start_prev = "◁▒▒"
|
|
local start_next = "▷▒▒"
|
|
local end_prev = "▒▒◁"
|
|
local end_next = "▒▒▷"
|
|
if BD.mirroredUILayout() then
|
|
-- BiDi will mirror the arrows, and this just works
|
|
start_prev, start_next = start_next, start_prev
|
|
end_prev, end_next = end_next, end_prev
|
|
end
|
|
table.insert(buttons, {
|
|
{
|
|
text = start_prev,
|
|
callback = function()
|
|
self:updateHighlight(page, index, 0, -1, false)
|
|
end,
|
|
hold_callback = function()
|
|
self:updateHighlight(page, index, 0, -1, true)
|
|
return true
|
|
end
|
|
},
|
|
{
|
|
text = start_next,
|
|
callback = function()
|
|
self:updateHighlight(page, index, 0, 1, false)
|
|
end,
|
|
hold_callback = function()
|
|
self:updateHighlight(page, index, 0, 1, true)
|
|
return true
|
|
end
|
|
},
|
|
{
|
|
text = end_prev,
|
|
callback = function()
|
|
self:updateHighlight(page, index, 1, -1, false)
|
|
end,
|
|
hold_callback = function()
|
|
self:updateHighlight(page, index, 1, -1, true)
|
|
end
|
|
},
|
|
{
|
|
text = end_next,
|
|
callback = function()
|
|
self:updateHighlight(page, index, 1, 1, false)
|
|
end,
|
|
hold_callback = function()
|
|
self:updateHighlight(page, index, 1, 1, true)
|
|
end
|
|
}
|
|
})
|
|
end
|
|
self.edit_highlight_dialog = ButtonDialog:new{
|
|
buttons = buttons
|
|
}
|
|
UIManager:show(self.edit_highlight_dialog)
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:addToHighlightDialog(idx, fn_button)
|
|
-- fn_button is a function that takes the ReaderHighlight instance
|
|
-- as argument, and returns a table describing the button to be added.
|
|
self._highlight_buttons[idx] = fn_button
|
|
end
|
|
|
|
function ReaderHighlight:removeFromHighlightDialog(idx)
|
|
local button = self._highlight_buttons[idx]
|
|
self._highlight_buttons[idx] = nil
|
|
return button
|
|
end
|
|
|
|
function ReaderHighlight:onShowHighlightMenu(page, index)
|
|
if not self.selected_text then
|
|
return
|
|
end
|
|
|
|
local highlight_buttons = {{}}
|
|
|
|
local columns = 2
|
|
for idx, fn_button in ffiUtil.orderedPairs(self._highlight_buttons) do
|
|
local button = fn_button(self, page, index)
|
|
if not button.show_in_highlight_dialog_func or button.show_in_highlight_dialog_func() then
|
|
if #highlight_buttons[#highlight_buttons] >= columns then
|
|
table.insert(highlight_buttons, {})
|
|
end
|
|
table.insert(highlight_buttons[#highlight_buttons], button)
|
|
logger.dbg("ReaderHighlight", idx..": line "..#highlight_buttons..", col "..#highlight_buttons[#highlight_buttons])
|
|
end
|
|
end
|
|
|
|
self.highlight_dialog = ButtonDialog:new{
|
|
buttons = highlight_buttons,
|
|
tap_close_callback = function() self:handleEvent(Event:new("Tap")) end,
|
|
}
|
|
UIManager:show(self.highlight_dialog)
|
|
end
|
|
dbg:guard(ReaderHighlight, "onShowHighlightMenu",
|
|
function(self)
|
|
assert(self.selected_text ~= nil,
|
|
"onShowHighlightMenu must not be called with nil self.selected_text!")
|
|
end)
|
|
|
|
function ReaderHighlight:_resetHoldTimer(clear)
|
|
if clear then
|
|
self.hold_last_time = nil
|
|
else
|
|
self.hold_last_time = UIManager:getTime()
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onTogglePanelZoomSetting(arg, ges)
|
|
if not self.document.info.has_pages then return end
|
|
self.panel_zoom_enabled = not self.panel_zoom_enabled
|
|
end
|
|
|
|
function ReaderHighlight:onToggleFallbackTextSelection(arg, ges)
|
|
if not self.document.info.has_pages then return end
|
|
self.panel_zoom_fallback_to_text_selection = not self.panel_zoom_fallback_to_text_selection
|
|
end
|
|
|
|
function ReaderHighlight:onPanelZoom(arg, ges)
|
|
self:clear()
|
|
local hold_pos = self.view:screenToPageTransform(ges.pos)
|
|
if not hold_pos then return false end -- outside page boundary
|
|
local rect = self.ui.document:getPanelFromPage(hold_pos.page, hold_pos)
|
|
if not rect then return false end -- panel not found, return
|
|
local image = self.ui.document:getPagePart(hold_pos.page, rect, 0)
|
|
|
|
if image then
|
|
local ImageViewer = require("ui/widget/imageviewer")
|
|
local imgviewer = ImageViewer:new{
|
|
image = image,
|
|
with_title_bar = false,
|
|
fullscreen = true,
|
|
}
|
|
UIManager:show(imgviewer)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:onHold(arg, ges)
|
|
if self.document.info.has_pages and self.panel_zoom_enabled then
|
|
local res = self:onPanelZoom(arg, ges)
|
|
if res or not self.panel_zoom_fallback_to_text_selection then
|
|
return res
|
|
end
|
|
end
|
|
|
|
self:clear() -- clear previous highlight (delayed clear may not have done it yet)
|
|
self.hold_ges_pos = ges.pos -- remember hold original gesture position
|
|
self.hold_pos = self.view:screenToPageTransform(ges.pos)
|
|
logger.dbg("hold position in page", self.hold_pos)
|
|
if not self.hold_pos then
|
|
logger.dbg("not inside page area")
|
|
return false
|
|
end
|
|
|
|
-- check if we were holding on an image
|
|
-- we provide want_frames=true, so we get a list of images for
|
|
-- animated GIFs (supported by ImageViewer)
|
|
local image = self.ui.document:getImageFromPosition(self.hold_pos, true)
|
|
if image then
|
|
logger.dbg("hold on image")
|
|
local ImageViewer = require("ui/widget/imageviewer")
|
|
local imgviewer = ImageViewer:new{
|
|
image = image,
|
|
-- title_text = _("Document embedded image"),
|
|
-- No title, more room for image
|
|
with_title_bar = false,
|
|
fullscreen = true,
|
|
}
|
|
UIManager:show(imgviewer)
|
|
self:onStopHighlightIndicator()
|
|
return true
|
|
end
|
|
|
|
-- otherwise, we must be holding on text
|
|
if self.view.highlight.disabled then return false end -- Long-press action "Do nothing" checked
|
|
local ok, word = pcall(self.ui.document.getWordFromPosition, self.ui.document, self.hold_pos)
|
|
if ok and word then
|
|
logger.dbg("selected word:", word)
|
|
-- Convert "word selection" table to "text selection" table because we
|
|
-- use text selections throughout readerhighlight in order to allow the
|
|
-- highlight to be corrected by language-specific plugins more easily.
|
|
self.is_word_selection = true
|
|
self.selected_text = {
|
|
text = word.word or "",
|
|
pos0 = word.pos0 or word.pos,
|
|
pos1 = word.pos1 or word.pos,
|
|
sboxes = word.sbox and { word.sbox },
|
|
pboxes = word.pbox and { word.pbox },
|
|
}
|
|
local link = self.ui.link:getLinkFromGes(ges)
|
|
self.selected_link = nil
|
|
if link then
|
|
logger.dbg("link:", link)
|
|
self.selected_link = link
|
|
end
|
|
|
|
if self.ui.languagesupport and self.ui.languagesupport:hasActiveLanguagePlugins() then
|
|
-- If this is a language where pan-less word selection needs some
|
|
-- extra work above and beyond what the document engine gives us
|
|
-- from getWordFromPosition, call the relevant language-specific
|
|
-- plugin.
|
|
local new_selected_text = self.ui.languagesupport:improveWordSelection(self.selected_text)
|
|
if new_selected_text then
|
|
self.selected_text = new_selected_text
|
|
end
|
|
end
|
|
|
|
if self.ui.document.info.has_pages then
|
|
self.view.highlight.temp[self.hold_pos.page] = self.selected_text.sboxes
|
|
-- Unfortunately, getWordFromPosition() may not return good coordinates,
|
|
-- so refresh the whole page
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
else
|
|
-- With crengine, getWordFromPosition() does return good coordinates.
|
|
UIManager:setDirty(self.dialog, "ui", Geom.boundingBox(self.selected_text.sboxes))
|
|
end
|
|
self:_resetHoldTimer()
|
|
if word.pos0 then
|
|
-- Remember original highlight start position, so we can show
|
|
-- a marker when back from across-pages text selection, which
|
|
-- is handled in onHoldPan()
|
|
self.selected_text_start_xpointer = word.pos0
|
|
end
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:onHoldPan(_, ges)
|
|
if self.view.highlight.disabled then return false end -- Long-press action "Do nothing" checked
|
|
if self.hold_pos == nil then
|
|
logger.dbg("no previous hold position")
|
|
self:_resetHoldTimer(true)
|
|
return true
|
|
end
|
|
local page_area = self.view:getScreenPageArea(self.hold_pos.page)
|
|
if ges.pos:notIntersectWith(page_area) then
|
|
logger.dbg("not inside page area", ges, page_area)
|
|
self:_resetHoldTimer()
|
|
return true
|
|
end
|
|
|
|
self.holdpan_pos = self.view:screenToPageTransform(ges.pos)
|
|
logger.dbg("holdpan position in page", self.holdpan_pos)
|
|
|
|
if self.ui.rolling and self.selected_text_start_xpointer then
|
|
-- With CreDocuments, allow text selection across multiple pages
|
|
-- by (temporarily) switching to scroll mode when panning to the
|
|
-- top left or bottom right corners.
|
|
local mirrored_reading = BD.mirroredUILayout()
|
|
if self.view.inverse_reading_order then
|
|
mirrored_reading = not mirrored_reading
|
|
end
|
|
local is_in_prev_page_corner, is_in_next_page_corner
|
|
if mirrored_reading then
|
|
-- Note: this might not be really usable, as crengine native selection
|
|
-- is not adapted to RTL text
|
|
-- top right corner
|
|
is_in_prev_page_corner = self.holdpan_pos.y < 1/8*Screen:getHeight()
|
|
and self.holdpan_pos.x > 7/8*Screen:getWidth()
|
|
-- bottom left corner
|
|
is_in_next_page_corner = self.holdpan_pos.y > 7/8*Screen:getHeight()
|
|
and self.holdpan_pos.x < 1/8*Screen:getWidth()
|
|
else -- default in LTR UI with no inverse_reading_order
|
|
-- top left corner
|
|
is_in_prev_page_corner = self.holdpan_pos.y < 1/8*Screen:getHeight()
|
|
and self.holdpan_pos.x < 1/8*Screen:getWidth()
|
|
-- bottom right corner
|
|
is_in_next_page_corner = self.holdpan_pos.y > 7/8*Screen:getHeight()
|
|
and self.holdpan_pos.x > 7/8*Screen:getWidth()
|
|
end
|
|
if is_in_prev_page_corner or is_in_next_page_corner then
|
|
self:_resetHoldTimer()
|
|
if self.was_in_some_corner then
|
|
-- Do nothing, wait for the user to move his finger out of that corner
|
|
return true
|
|
end
|
|
self.was_in_some_corner = true
|
|
if self.ui.document:getVisiblePageCount() == 1 then -- single page mode
|
|
-- We'll adjust hold_pos.y after the mode switch and the scroll
|
|
-- so it's accurate in the new screen coordinates
|
|
local orig_y = self.ui.document:getScreenPositionFromXPointer(self.selected_text_start_xpointer)
|
|
if self.view.view_mode ~= "scroll" then
|
|
-- Switch from page mode to scroll mode
|
|
local restore_page_mode_xpointer = self.ui.document:getXPointer() -- top of current page
|
|
self.restore_page_mode_func = function()
|
|
self.ui:handleEvent(Event:new("SetViewMode", "page"))
|
|
self.ui.rolling:onGotoXPointer(restore_page_mode_xpointer, self.selected_text_start_xpointer)
|
|
end
|
|
self.ui:handleEvent(Event:new("SetViewMode", "scroll"))
|
|
end
|
|
-- (using rolling:onGotoViewRel(1/3) has some strange side effects)
|
|
local scroll_distance = math.floor(Screen:getHeight() * 1/3)
|
|
local move_y = is_in_next_page_corner and scroll_distance or -scroll_distance
|
|
self.ui.rolling:_gotoPos(self.ui.document:getCurrentPos() + move_y)
|
|
local new_y = self.ui.document:getScreenPositionFromXPointer(self.selected_text_start_xpointer)
|
|
self.hold_pos.y = self.hold_pos.y - orig_y + new_y
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
return true
|
|
else -- two pages mode
|
|
-- We don't switch to scroll mode: we just turn 1 page to
|
|
-- allow continuing the selection.
|
|
-- Unlike in 1-page mode, we have a limitation here: we can't adjust
|
|
-- the selection to further than current page and prev/next one.
|
|
-- So don't handle another corner if we already handled one:
|
|
-- Note that this feature won't work well with the RTL UI or
|
|
-- if inverse_reading_order as crengine currently always displays
|
|
-- the first page on the left and the second on the right in
|
|
-- dual page mode.
|
|
if self.restore_page_mode_func then
|
|
return true
|
|
end
|
|
-- Also, we are not able to move hold_pos.x out of screen,
|
|
-- so if we started on the right page, ignore top left corner,
|
|
-- and if we started on the left page, ignore bottom right corner.
|
|
local screen_half_width = math.floor(Screen:getWidth() * 0.5)
|
|
if self.hold_pos.x >= screen_half_width and is_in_prev_page_corner then
|
|
return true
|
|
elseif self.hold_pos.x <= screen_half_width and is_in_next_page_corner then
|
|
return true
|
|
end
|
|
-- To be able to browse half-page when 2 visible pages as 1 page number,
|
|
-- we must work with internal page numbers
|
|
local cur_page = self.ui.document:getCurrentPage(true)
|
|
local restore_page_mode_xpointer = self.ui.document:getXPointer() -- top of current page
|
|
self.ui.document.no_page_sync = true -- avoid CreDocument:drawCurrentViewByPage() to resync page
|
|
self.restore_page_mode_func = function()
|
|
self.ui.document.no_page_sync = nil
|
|
self.ui.rolling:onGotoXPointer(restore_page_mode_xpointer, self.selected_text_start_xpointer)
|
|
end
|
|
if is_in_next_page_corner then -- bottom right corner in LTR UI
|
|
self.ui.rolling:_gotoPage(cur_page + 1, true, true) -- no odd left page enforcement
|
|
self.hold_pos.x = self.hold_pos.x - screen_half_width
|
|
else -- top left corner in RTL UI
|
|
self.ui.rolling:_gotoPage(cur_page - 1, true, true) -- no odd left page enforcement
|
|
self.hold_pos.x = self.hold_pos.x + screen_half_width
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
return true
|
|
end
|
|
else
|
|
self.was_in_some_corner = nil
|
|
end
|
|
end
|
|
|
|
local old_text = self.selected_text and self.selected_text.text
|
|
self.selected_text = self.ui.document:getTextFromPositions(self.hold_pos, self.holdpan_pos)
|
|
self.is_word_selection = false
|
|
|
|
if self.selected_text and self.selected_text.pos0 then
|
|
if not self.selected_text_start_xpointer then
|
|
-- This should have been set in onHold(), where we would get
|
|
-- a precise pos0 on the first word selected.
|
|
-- Do it here too in case onHold() missed it, but it could be
|
|
-- less precise (getTextFromPositions() does order pos0 and pos1,
|
|
-- so it's not certain pos0 is where we started from; we get
|
|
-- the ones from the first pan, and if it is not small enough
|
|
-- and spans quite some height, the marker could point away
|
|
-- from the start position)
|
|
self.selected_text_start_xpointer = self.selected_text.pos0
|
|
end
|
|
end
|
|
|
|
if self.selected_text and old_text and old_text == self.selected_text.text then
|
|
-- no modification
|
|
return
|
|
end
|
|
self:_resetHoldTimer() -- selection updated
|
|
logger.dbg("selected text:", self.selected_text)
|
|
if self.selected_text then
|
|
self.view.highlight.temp[self.hold_pos.page] = self.selected_text.sboxes
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
end
|
|
|
|
local info_message_ocr_text = _([[
|
|
No OCR results or no language data.
|
|
|
|
KOReader has a build-in OCR engine for recognizing words in scanned PDF and DjVu documents. In order to use OCR in scanned pages, you need to install tesseract trained data for your document language.
|
|
|
|
You can download language data files for version 3.04 from https://tesseract-ocr.github.io/tessdoc/Data-Files
|
|
|
|
Copy the language data files for Tesseract 3.04 (e.g., eng.traineddata for English and spa.traineddata for Spanish) into koreader/data/tessdata]])
|
|
|
|
function ReaderHighlight:lookup(selected_text, selected_link)
|
|
-- convert sboxes to word boxes
|
|
local word_boxes = {}
|
|
for i, sbox in ipairs(selected_text.sboxes) do
|
|
word_boxes[i] = self.view:pageToScreenTransform(self.hold_pos.page, sbox)
|
|
end
|
|
|
|
-- if we extracted text directly
|
|
if selected_text.text and self.hold_pos then
|
|
self.ui:handleEvent(Event:new("LookupWord", selected_text.text, false, word_boxes, self, selected_link))
|
|
-- or we will do OCR
|
|
elseif selected_text.sboxes and self.hold_pos then
|
|
local text = self.ui.document:getOCRText(self.hold_pos.page, selected_text.sboxes)
|
|
if not text then
|
|
-- getOCRText is not implemented in some document backends, but
|
|
-- getOCRWord is implemented everywhere. As such, fall back to
|
|
-- getOCRWord.
|
|
text = ""
|
|
for _, sbox in ipairs(selected_text.sboxes) do
|
|
local word = self.ui.document:getOCRWord(self.hold_pos.page, { sbox = sbox })
|
|
logger.dbg("OCRed word:", word)
|
|
--- @fixme This might produce incorrect results on RTL text.
|
|
if word and word ~= "" then
|
|
text = text .. word
|
|
end
|
|
end
|
|
end
|
|
logger.dbg("OCRed text:", text)
|
|
if text and text ~= "" then
|
|
self.ui:handleEvent(Event:new("LookupWord", text, false, word_boxes, self, selected_link))
|
|
else
|
|
UIManager:show(InfoMessage:new{
|
|
text = info_message_ocr_text,
|
|
})
|
|
end
|
|
end
|
|
end
|
|
dbg:guard(ReaderHighlight, "lookup",
|
|
function(self, selected_text, selected_link)
|
|
assert(selected_text ~= nil,
|
|
"lookup must not be called with nil selected_text!")
|
|
end)
|
|
|
|
function ReaderHighlight:getSelectedWordContext(nb_words)
|
|
if not self.ui.rolling or not self.selected_text then return nil end
|
|
local pos_start = self.selected_text.pos0
|
|
local pos_end = self.selected_text.pos1
|
|
|
|
for i=0, nb_words do
|
|
local ok, start = pcall(self.ui.document.getPrevVisibleWordStart, self.ui.document, pos_start)
|
|
if ok then pos_start = start
|
|
else break end
|
|
end
|
|
|
|
for i=0, nb_words do
|
|
local ok, ending = pcall(self.ui.document.getNextVisibleWordEnd, self.ui.document, pos_end)
|
|
if ok then pos_end = ending
|
|
else break end
|
|
end
|
|
|
|
local ok_prev, prev = pcall(self.ui.document.getTextFromXPointers, self.ui.document, pos_start, self.selected_text.pos0)
|
|
local ok_next, next = pcall(self.ui.document.getTextFromXPointers, self.ui.document, self.selected_text.pos1, pos_end)
|
|
|
|
return ok_prev and prev, ok_next and next
|
|
end
|
|
|
|
function ReaderHighlight:viewSelectionHTML(debug_view, no_css_files_buttons)
|
|
if self.ui.document.info.has_pages then
|
|
return
|
|
end
|
|
if self.selected_text and self.selected_text.pos0 and self.selected_text.pos1 then
|
|
-- For available flags, see the "#define WRITENODEEX_*" in crengine/src/lvtinydom.cpp
|
|
-- Start with valid and classic displayed HTML (with only block nodes indented),
|
|
-- including styles found in <HEAD>, linked CSS files content, and misc info.
|
|
local html_flags = 0x6830
|
|
if not debug_view then
|
|
debug_view = 0
|
|
end
|
|
if debug_view == 1 then
|
|
-- Each node on a line, with markers and numbers of skipped chars and siblings shown,
|
|
-- with possibly invalid HTML (text nodes not escaped)
|
|
html_flags = 0x6B5A
|
|
elseif debug_view == 2 then
|
|
-- Additionally see rendering methods of each node
|
|
html_flags = 0x6F5A
|
|
elseif debug_view == 3 then
|
|
-- Or additionally see unicode codepoint of each char
|
|
html_flags = 0x6B5E
|
|
end
|
|
local html, css_files = self.ui.document:getHTMLFromXPointers(self.selected_text.pos0,
|
|
self.selected_text.pos1, html_flags, true)
|
|
if html then
|
|
-- Make some invisible chars visible
|
|
if debug_view >= 1 then
|
|
html = html:gsub("\xC2\xA0", "␣") -- no break space: open box
|
|
html = html:gsub("\xC2\xAD", "⋅") -- soft hyphen: dot operator (smaller than middle dot ·)
|
|
-- Prettify inlined CSS (from <HEAD>, put in an internal
|
|
-- <body><stylesheet> element by crengine (the opening tag may
|
|
-- include some href=, or end with " ~X>" with some html_flags)
|
|
-- (We do that in debug_view mode only: as this may increase
|
|
-- the height of this section, we don't want to have to scroll
|
|
-- many pages to get to the HTML content on the initial view.)
|
|
html = html:gsub("(<stylesheet[^>]*>)%s*(.-)%s*(</stylesheet>)", function(pre, css_text, post)
|
|
return pre .. "\n" .. util.prettifyCSS(css_text) .. post
|
|
end)
|
|
end
|
|
local Font = require("ui/font")
|
|
local textviewer
|
|
local buttons_hold_callback = function()
|
|
-- Allow hiding css files buttons if there are too many
|
|
-- and the available height for text is too short
|
|
UIManager:close(textviewer)
|
|
self:viewSelectionHTML(debug_view, not no_css_files_buttons)
|
|
end
|
|
local buttons_table = {}
|
|
if css_files and not no_css_files_buttons then
|
|
for i=1, #css_files do
|
|
local button = {
|
|
text = T(_("View %1"), BD.filepath(css_files[i])),
|
|
callback = function()
|
|
local css_text = self.ui.document:getDocumentFileContent(css_files[i])
|
|
local cssviewer
|
|
cssviewer = TextViewer:new{
|
|
title = css_files[i],
|
|
text = css_text or _("Failed getting CSS content"),
|
|
text_face = Font:getFace("smallinfont"),
|
|
justified = false,
|
|
para_direction_rtl = false,
|
|
auto_para_direction = false,
|
|
buttons_table = {
|
|
{{
|
|
text = _("Prettify"),
|
|
enabled = css_text and true or false,
|
|
callback = function()
|
|
UIManager:close(cssviewer)
|
|
UIManager:show(TextViewer:new{
|
|
title = css_files[i],
|
|
text = util.prettifyCSS(css_text),
|
|
text_face = Font:getFace("smallinfont"),
|
|
justified = false,
|
|
para_direction_rtl = false,
|
|
auto_para_direction = false,
|
|
})
|
|
end,
|
|
}},
|
|
{{
|
|
text = _("Close"),
|
|
callback = function()
|
|
UIManager:close(cssviewer)
|
|
end,
|
|
}},
|
|
}
|
|
}
|
|
UIManager:show(cssviewer)
|
|
end,
|
|
hold_callback = buttons_hold_callback,
|
|
}
|
|
-- One button per row, too make room for the possibly long css filename
|
|
table.insert(buttons_table, {button})
|
|
end
|
|
end
|
|
local next_debug_text
|
|
local next_debug_view = debug_view + 1
|
|
if next_debug_view == 1 then
|
|
next_debug_text = _("Switch to debug view")
|
|
elseif next_debug_view == 2 then
|
|
next_debug_text = _("Switch to rendering debug view")
|
|
elseif next_debug_view == 3 then
|
|
next_debug_text = _("Switch to unicode debug view")
|
|
else
|
|
next_debug_view = 0
|
|
next_debug_text = _("Switch to standard view")
|
|
end
|
|
table.insert(buttons_table, {{
|
|
text = next_debug_text,
|
|
callback = function()
|
|
UIManager:close(textviewer)
|
|
self:viewSelectionHTML(next_debug_view, no_css_files_buttons)
|
|
end,
|
|
hold_callback = buttons_hold_callback,
|
|
}})
|
|
table.insert(buttons_table, {{
|
|
text = _("Close"),
|
|
callback = function()
|
|
UIManager:close(textviewer)
|
|
end,
|
|
hold_callback = buttons_hold_callback,
|
|
}})
|
|
textviewer = TextViewer:new{
|
|
title = _("Selection HTML"),
|
|
text = html,
|
|
text_face = Font:getFace("smallinfont"),
|
|
justified = false,
|
|
para_direction_rtl = false,
|
|
auto_para_direction = false,
|
|
buttons_table = buttons_table,
|
|
}
|
|
UIManager:show(textviewer)
|
|
else
|
|
UIManager:show(InfoMessage:new{
|
|
text = _("Failed getting HTML for selection"),
|
|
})
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:translate(selected_text, page, index)
|
|
if self.ui.rolling then
|
|
-- Extend the selected text to include any punctuation at start or end,
|
|
-- which may give a better translation with the added context.
|
|
local extended_text = self.ui.document:extendXPointersToSentenceSegment(selected_text.pos0, selected_text.pos1)
|
|
if extended_text then
|
|
selected_text = extended_text
|
|
end
|
|
end
|
|
if selected_text.text ~= "" then
|
|
self:onTranslateText(selected_text.text, page, index)
|
|
-- or we will do OCR
|
|
elseif self.hold_pos then
|
|
local text = self.ui.document:getOCRText(self.hold_pos.page, selected_text)
|
|
logger.dbg("OCRed text:", text)
|
|
if text and text ~= "" then
|
|
self:onTranslateText(text)
|
|
else
|
|
UIManager:show(InfoMessage:new{
|
|
text = info_message_ocr_text,
|
|
})
|
|
end
|
|
end
|
|
end
|
|
dbg:guard(ReaderHighlight, "translate",
|
|
function(self, selected_text)
|
|
assert(selected_text ~= nil,
|
|
"translate must not be called with nil selected_text!")
|
|
end)
|
|
|
|
function ReaderHighlight:onTranslateText(text, page, index)
|
|
Translator:showTranslation(text, false, false, true, page, index)
|
|
end
|
|
|
|
function ReaderHighlight:onHoldRelease()
|
|
if self.clear_id then
|
|
-- Something has requested a clear id and is about to clear
|
|
-- the highlight: it may be a onHoldClose() that handled
|
|
-- "hold" and was closed, and can't handle "hold_release":
|
|
-- ignore this "hold_release" event.
|
|
return true
|
|
end
|
|
|
|
local default_highlight_action = G_reader_settings:readSetting("default_highlight_action", "ask")
|
|
|
|
if self.select_mode then -- extended highlighting, ending fragment
|
|
if self.selected_text then
|
|
if self.ui.document.info.has_pages and self.ui.paging.current_page ~= self.highlight_page then
|
|
self.ui.paging:_gotoPage(self.highlight_page)
|
|
UIManager:show(Notification:new{
|
|
text = _("Fragments must be within one page"),
|
|
})
|
|
else
|
|
self.select_mode = false
|
|
self:extendSelection()
|
|
if default_highlight_action == "select" then
|
|
self:saveHighlight(true)
|
|
self:clear()
|
|
else
|
|
self:onShowHighlightMenu()
|
|
end
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
local long_final_hold = false
|
|
if self.hold_last_time then
|
|
local hold_duration = time.now() - self.hold_last_time
|
|
local long_hold_threshold_s = G_reader_settings:readSetting("highlight_long_hold_threshold_s", 3) -- seconds
|
|
if hold_duration > time.s(long_hold_threshold_s) then
|
|
-- We stayed 3 seconds before release without updating selection
|
|
long_final_hold = true
|
|
end
|
|
self.hold_last_time = nil
|
|
end
|
|
if self.is_word_selection then -- single-word selection
|
|
if long_final_hold or G_reader_settings:isTrue("highlight_action_on_single_word") then
|
|
self.is_word_selection = false
|
|
end
|
|
end
|
|
|
|
if self.selected_text then
|
|
if self.is_word_selection then
|
|
self:lookup(self.selected_text, self.selected_link)
|
|
else
|
|
if long_final_hold or default_highlight_action == "ask" then
|
|
-- bypass default action and show popup if long final hold
|
|
self:onShowHighlightMenu()
|
|
elseif default_highlight_action == "highlight" then
|
|
self:saveHighlight(true)
|
|
self:onClose()
|
|
elseif default_highlight_action == "select" then
|
|
self:startSelection()
|
|
self:onClose()
|
|
elseif default_highlight_action == "translate" then
|
|
self:translate(self.selected_text)
|
|
elseif default_highlight_action == "wikipedia" then
|
|
self:lookupWikipedia()
|
|
self:onClose()
|
|
elseif default_highlight_action == "dictionary" then
|
|
self:onHighlightDictLookup()
|
|
self:onClose()
|
|
elseif default_highlight_action == "search" then
|
|
self:onHighlightSearch()
|
|
-- No self:onClose() to not remove the selected text
|
|
-- which will have been the first search result
|
|
end
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:onCycleHighlightAction()
|
|
local current_action = G_reader_settings:readSetting("default_highlight_action", "ask")
|
|
local next_action_num
|
|
for i, v in ipairs(long_press_action) do
|
|
if v[2] == current_action then
|
|
next_action_num = i + 1
|
|
break
|
|
end
|
|
end
|
|
if next_action_num > #long_press_action then
|
|
next_action_num = 1
|
|
end
|
|
G_reader_settings:saveSetting("default_highlight_action", long_press_action[next_action_num][2])
|
|
UIManager:show(Notification:new{
|
|
text = T(_("Default highlight action changed to '%1'."), long_press_action[next_action_num][1]),
|
|
})
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:onCycleHighlightStyle()
|
|
local current_style = self.view.highlight.saved_drawer
|
|
local next_style_num
|
|
for i, v in ipairs(highlight_style) do
|
|
if v[2] == current_style then
|
|
next_style_num = i + 1
|
|
break
|
|
end
|
|
end
|
|
if next_style_num > #highlight_style then
|
|
next_style_num = 1
|
|
end
|
|
self.view.highlight.saved_drawer = highlight_style[next_style_num][2]
|
|
self.ui.doc_settings:saveSetting("highlight_drawer", self.view.highlight.saved_drawer)
|
|
UIManager:show(Notification:new{
|
|
text = T(_("Default highlight style changed to '%1'."), highlight_style[next_style_num][1]),
|
|
})
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:highlightFromHoldPos()
|
|
if self.hold_pos then
|
|
if not self.selected_text then
|
|
self.selected_text = self.ui.document:getTextFromPositions(self.hold_pos, self.hold_pos)
|
|
if self.ui.languagesupport and self.ui.languagesupport:hasActiveLanguagePlugins() then
|
|
-- Match language-specific expansion you'd get from self:onHold().
|
|
local new_selected_text = self.ui.languagesupport:improveWordSelection(self.selected_text)
|
|
if new_selected_text then
|
|
self.selected_text = new_selected_text
|
|
end
|
|
end
|
|
logger.dbg("selected text:", self.selected_text)
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onHighlight()
|
|
self:saveHighlight()
|
|
end
|
|
|
|
function ReaderHighlight:onUnhighlight(bookmark_item)
|
|
local page
|
|
local sel_text
|
|
local sel_pos0
|
|
local datetime
|
|
local idx
|
|
if bookmark_item then -- called from Bookmarks menu onHold
|
|
page = bookmark_item.page
|
|
sel_text = bookmark_item.notes
|
|
sel_pos0 = bookmark_item.pos0
|
|
datetime = bookmark_item.datetime
|
|
else -- called from DictQuickLookup Unhighlight button
|
|
--- @fixme: is this self.hold_pos access safe?
|
|
page = self.hold_pos.page
|
|
sel_text = cleanupSelectedText(self.selected_text.text)
|
|
sel_pos0 = self.selected_text.pos0
|
|
end
|
|
if self.ui.document.info.has_pages then -- We can safely use page
|
|
-- As we may have changed spaces and hyphens handling in the extracted
|
|
-- text over the years, check text identities with them removed
|
|
local sel_text_cleaned = sel_text:gsub("[ -]", ""):gsub("\xC2\xAD", "")
|
|
for index = 1, #self.view.highlight.saved[page] do
|
|
local highlight = self.view.highlight.saved[page][index]
|
|
-- pos0 are tables and can't be compared directly, except when from
|
|
-- DictQuickLookup where these are the same object.
|
|
-- If bookmark_item provided, just check datetime
|
|
if ( (datetime == nil and highlight.pos0 == sel_pos0) or
|
|
(datetime ~= nil and highlight.datetime == datetime) ) then
|
|
if highlight.text:gsub("[ -]", ""):gsub("\xC2\xAD", "") == sel_text_cleaned then
|
|
idx = index
|
|
break
|
|
end
|
|
end
|
|
end
|
|
else -- page is a xpointer
|
|
-- The original page could be found in bookmark_item.text, but
|
|
-- no more if it has been renamed: we need to loop through all
|
|
-- highlights on all page slots
|
|
for p, highlights in pairs(self.view.highlight.saved) do
|
|
for index = 1, #highlights do
|
|
local highlight = highlights[index]
|
|
-- pos0 are strings and can be compared directly
|
|
if highlight.text == sel_text and (
|
|
(datetime == nil and highlight.pos0 == sel_pos0) or
|
|
(datetime ~= nil and highlight.datetime == datetime)) then
|
|
page = p -- this is the original page slot
|
|
idx = index
|
|
break
|
|
end
|
|
end
|
|
if idx then
|
|
break
|
|
end
|
|
end
|
|
end
|
|
if bookmark_item and not idx then
|
|
logger.warn("unhighlight: bookmark_item not found among highlights", bookmark_item)
|
|
-- Remove it from bookmarks anyway, so we're not stuck with an
|
|
-- unremovable bookmark
|
|
self.ui.bookmark:removeBookmark(bookmark_item)
|
|
return
|
|
end
|
|
logger.dbg("found highlight to delete on page", page, idx)
|
|
self:deleteHighlight(page, idx, bookmark_item)
|
|
return true
|
|
end
|
|
|
|
function ReaderHighlight:getHighlightBookmarkItem()
|
|
if self.hold_pos and not self.selected_text then
|
|
self:highlightFromHoldPos()
|
|
end
|
|
if self.selected_text and self.selected_text.pos0 and self.selected_text.pos1 then
|
|
return {
|
|
page = self.ui.paging and self.hold_pos.page or self.selected_text.pos0,
|
|
pos0 = self.selected_text.pos0,
|
|
pos1 = self.selected_text.pos1,
|
|
notes = cleanupSelectedText(self.selected_text.text),
|
|
highlighted = true,
|
|
}
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:saveHighlight(extend_to_sentence)
|
|
self.ui:handleEvent(Event:new("AddHighlight"))
|
|
logger.dbg("save highlight")
|
|
if self.hold_pos and self.selected_text and self.selected_text.pos0 and self.selected_text.pos1 then
|
|
if extend_to_sentence and self.ui.rolling then
|
|
local extended_text = self.ui.document:extendXPointersToSentenceSegment(self.selected_text.pos0, self.selected_text.pos1)
|
|
if extended_text then
|
|
self.selected_text = extended_text
|
|
end
|
|
end
|
|
local page = self.hold_pos.page
|
|
if not self.view.highlight.saved[page] then
|
|
self.view.highlight.saved[page] = {}
|
|
end
|
|
local datetime = os.date("%Y-%m-%d %H:%M:%S")
|
|
local pg_or_xp = self.ui.paging and page or self.selected_text.pos0
|
|
local chapter_name = self.ui.toc:getTocTitleByPage(pg_or_xp)
|
|
local hl_item = {
|
|
datetime = datetime,
|
|
text = cleanupSelectedText(self.selected_text.text),
|
|
pos0 = self.selected_text.pos0,
|
|
pos1 = self.selected_text.pos1,
|
|
pboxes = self.selected_text.pboxes,
|
|
drawer = self.view.highlight.saved_drawer,
|
|
chapter = chapter_name,
|
|
}
|
|
table.insert(self.view.highlight.saved[page], hl_item)
|
|
local bookmark_item = self:getHighlightBookmarkItem()
|
|
if bookmark_item then
|
|
bookmark_item.datetime = datetime
|
|
bookmark_item.chapter = chapter_name
|
|
self.ui.bookmark:addBookmark(bookmark_item)
|
|
end
|
|
if self.selected_text.pboxes then
|
|
self:exportToDocument(page, hl_item)
|
|
end
|
|
return page, #self.view.highlight.saved[page]
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:exportToDocument(page, item)
|
|
local setting = G_reader_settings:readSetting("save_document")
|
|
if setting == "disable" then return end
|
|
logger.dbg("export highlight to document", item)
|
|
local can_write = self.ui.document:saveHighlight(page, item)
|
|
if can_write == false and not self.warned_once then
|
|
self.warned_once = true
|
|
UIManager:show(InfoMessage:new{
|
|
text = _([[
|
|
Highlights in this document will be saved in the settings file, but they won't be written in the document itself because the file is in a read-only location.
|
|
|
|
If you wish your highlights to be saved in the document, just move it to a writable directory first.]]),
|
|
timeout = 5,
|
|
})
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:addNote(text)
|
|
local page, index = self:saveHighlight(true)
|
|
if text then self:clear() end
|
|
self:editHighlight(page, index, true, text)
|
|
UIManager:close(self.edit_highlight_dialog)
|
|
self.edit_highlight_dialog = nil
|
|
self.ui:handleEvent(Event:new("AddNote"))
|
|
end
|
|
|
|
function ReaderHighlight:lookupWikipedia()
|
|
if self.selected_text then
|
|
self.ui:handleEvent(Event:new("LookupWikipedia", cleanupSelectedText(self.selected_text.text)))
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onHighlightSearch()
|
|
logger.dbg("search highlight")
|
|
-- First, if our dialog is still shown, close it.
|
|
if self.highlight_dialog then
|
|
UIManager:close(self.highlight_dialog)
|
|
self.highlight_dialog = nil
|
|
end
|
|
self:highlightFromHoldPos()
|
|
if self.selected_text then
|
|
local text = util.stripPunctuation(cleanupSelectedText(self.selected_text.text))
|
|
self.ui:handleEvent(Event:new("ShowSearchDialog", text))
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onHighlightDictLookup()
|
|
logger.dbg("dictionary lookup highlight")
|
|
self:highlightFromHoldPos()
|
|
if self.selected_text then
|
|
self.ui:handleEvent(Event:new("LookupWord", cleanupSelectedText(self.selected_text.text)))
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:deleteHighlight(page, i, bookmark_item)
|
|
self.ui:handleEvent(Event:new("DelHighlight"))
|
|
logger.dbg("delete highlight", page, i)
|
|
-- The per-page table is a pure array
|
|
local removed = table.remove(self.view.highlight.saved[page], i)
|
|
-- But the main, outer table is a hash, so clear the table for this page if there are no longer any highlights on it
|
|
if #self.view.highlight.saved[page] == 0 then
|
|
self.view.highlight.saved[page] = nil
|
|
end
|
|
if bookmark_item then
|
|
self.ui.bookmark:removeBookmark(bookmark_item)
|
|
else
|
|
self.ui.bookmark:removeBookmark({
|
|
page = self.ui.document.info.has_pages and page or removed.pos0,
|
|
datetime = removed.datetime,
|
|
})
|
|
end
|
|
local setting = G_reader_settings:readSetting("save_document")
|
|
if setting ~= "disable" then
|
|
logger.dbg("delete highlight from document", removed)
|
|
self.ui.document:deleteHighlight(page, removed)
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
end
|
|
|
|
function ReaderHighlight:editHighlight(page, i, is_new_note, text)
|
|
local item = self.view.highlight.saved[page][i]
|
|
self.ui.bookmark:renameBookmark({
|
|
page = self.ui.document.info.has_pages and page or item.pos0,
|
|
datetime = item.datetime,
|
|
pboxes = item.pboxes
|
|
}, true, is_new_note, text)
|
|
end
|
|
|
|
function ReaderHighlight:editHighlightStyle(page, i)
|
|
local item = self.view.highlight.saved[page][i]
|
|
local save_document = self.ui.paging and G_reader_settings:readSetting("save_document") ~= "disable"
|
|
local radio_buttons = {}
|
|
for _, v in ipairs(highlight_style) do
|
|
table.insert(radio_buttons, {
|
|
{
|
|
text = v[1],
|
|
checked = item.drawer == v[2],
|
|
provider = v[2],
|
|
},
|
|
})
|
|
end
|
|
UIManager:show(require("ui/widget/radiobuttonwidget"):new{
|
|
title_text = _("Highlight style"),
|
|
width_factor = 0.5,
|
|
keep_shown_on_apply = true,
|
|
radio_buttons = radio_buttons,
|
|
default_provider = self.view.highlight.saved_drawer or
|
|
G_reader_settings:readSetting("highlight_drawing_style", "lighten"),
|
|
callback = function(radio)
|
|
if save_document then
|
|
self.ui.document:deleteHighlight(page, item)
|
|
end
|
|
item.drawer = radio.provider
|
|
if save_document then
|
|
self.ui.document:saveHighlight(page, item)
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
self.ui:handleEvent(Event:new("BookmarkUpdated",
|
|
self.ui.bookmark:getBookmarkForHighlight({
|
|
page = self.ui.paging and page or item.pos0,
|
|
datetime = item.datetime,
|
|
})))
|
|
end,
|
|
})
|
|
end
|
|
|
|
function ReaderHighlight:startSelection()
|
|
self.highlight_page, self.highlight_idx = self:saveHighlight()
|
|
self.select_mode = true
|
|
UIManager:show(Notification:new{
|
|
text = _("Select ending fragment"),
|
|
})
|
|
end
|
|
|
|
function ReaderHighlight:extendSelection()
|
|
-- item1 - starting fragment (saved), item2 - ending fragment (currently selected)
|
|
-- new extended highlight includes item1, item2 and the text between them
|
|
local item1 = self.view.highlight.saved[self.highlight_page][self.highlight_idx]
|
|
local item2_pos0, item2_pos1 = self.selected_text.pos0, self.selected_text.pos1
|
|
-- getting starting and ending positions, text and pboxes of extended highlight
|
|
local new_pos0, new_pos1, new_text, new_pboxes
|
|
if self.ui.document.info.has_pages then
|
|
local is_reflow = self.ui.document.configurable.text_wrap
|
|
local new_page = self.hold_pos.page
|
|
-- reflow mode doesn't set page in positions
|
|
item1.pos0.page = new_page
|
|
item1.pos1.page = new_page
|
|
item2_pos0.page = new_page
|
|
item2_pos1.page = new_page
|
|
-- pos0 and pos1 are not in order within highlights, hence sorting all
|
|
local function comparePositions (pos1, pos2)
|
|
return self.ui.document:comparePositions(pos1, pos2) == 1
|
|
end
|
|
local positions = {item1.pos0, item1.pos1, item2_pos0, item2_pos1}
|
|
self.ui.document.configurable.text_wrap = 0 -- native positions
|
|
table.sort(positions, comparePositions)
|
|
new_pos0 = positions[1]
|
|
new_pos1 = positions[4]
|
|
local text_boxes = self.ui.document:getTextFromPositions(new_pos0, new_pos1)
|
|
new_text = text_boxes.text
|
|
new_pboxes = text_boxes.pboxes
|
|
self.ui.document.configurable.text_wrap = is_reflow -- restore reflow
|
|
-- draw
|
|
self.view.highlight.temp[new_page] = self.ui.document:getPageBoxesFromPositions(new_page, new_pos0, new_pos1)
|
|
else
|
|
-- pos0 and pos1 are in order within highlights
|
|
new_pos0 = self.ui.document:compareXPointers(item1.pos0, item2_pos0) == 1 and item1.pos0 or item2_pos0
|
|
new_pos1 = self.ui.document:compareXPointers(item1.pos1, item2_pos1) == 1 and item2_pos1 or item1.pos1
|
|
self.hold_pos.page = self.ui.document:getPageFromXPointer(new_pos0)
|
|
-- true to draw
|
|
new_text = self.ui.document:getTextFromXPointers(new_pos0, new_pos1, true)
|
|
end
|
|
self:deleteHighlight(self.highlight_page, self.highlight_idx) -- starting fragment
|
|
self.selected_text = {
|
|
text = new_text,
|
|
pos0 = new_pos0,
|
|
pos1 = new_pos1,
|
|
pboxes = new_pboxes,
|
|
}
|
|
UIManager:setDirty(self.dialog, "ui")
|
|
end
|
|
|
|
function ReaderHighlight:onReadSettings(config)
|
|
self.view.highlight.saved_drawer = config:readSetting("highlight_drawer")
|
|
or G_reader_settings:readSetting("highlight_drawing_style") or self.view.highlight.saved_drawer
|
|
self.view.highlight.disabled = G_reader_settings:has("default_highlight_action")
|
|
and G_reader_settings:readSetting("default_highlight_action") == "nothing"
|
|
|
|
-- panel zoom settings isn't supported in EPUB
|
|
if self.document.info.has_pages then
|
|
local ext = util.getFileNameSuffix(self.ui.document.file)
|
|
G_reader_settings:initializeExtSettings("panel_zoom_enabled", {cbz = true, cbt = true})
|
|
G_reader_settings:initializeExtSettings("panel_zoom_fallback_to_text_selection", {pdf = true})
|
|
if config:has("panel_zoom_enabled") then
|
|
self.panel_zoom_enabled = config:isTrue("panel_zoom_enabled")
|
|
else
|
|
self.panel_zoom_enabled = G_reader_settings:getSettingForExt("panel_zoom_enabled", ext) or false
|
|
end
|
|
if config:has("panel_zoom_fallback_to_text_selection") then
|
|
self.panel_zoom_fallback_to_text_selection = config:isTrue("panel_zoom_fallback_to_text_selection")
|
|
else
|
|
self.panel_zoom_fallback_to_text_selection = G_reader_settings:getSettingForExt("panel_zoom_fallback_to_text_selection", ext) or false
|
|
end
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onUpdateHoldPanRate()
|
|
self:setupTouchZones()
|
|
end
|
|
|
|
function ReaderHighlight:onSaveSettings()
|
|
self.ui.doc_settings:saveSetting("highlight_drawer", self.view.highlight.saved_drawer)
|
|
self.ui.doc_settings:saveSetting("panel_zoom_enabled", self.panel_zoom_enabled)
|
|
end
|
|
|
|
function ReaderHighlight:onClose()
|
|
UIManager:close(self.highlight_dialog)
|
|
self.highlight_dialog = nil
|
|
-- clear highlighted text
|
|
self:clear()
|
|
end
|
|
|
|
function ReaderHighlight:onHighlightPress()
|
|
if self._current_indicator_pos then
|
|
if not self._start_indicator_highlight then
|
|
-- try a tap at current indicator position to open any existing highlight
|
|
if not self:onTap(nil, self:_createHighlightGesture("tap")) then
|
|
-- no existing highlight at current indicator position: start hold
|
|
self._start_indicator_highlight = true
|
|
self:onHold(nil, self:_createHighlightGesture("hold"))
|
|
-- With crengine, selected_text.sboxes does return good coordinates.
|
|
if self.ui.rolling and self.selected_text and self.selected_text.sboxes and #self.selected_text.sboxes > 0 then
|
|
local pos = self.selected_text.sboxes[1]
|
|
-- set hold_pos to center of selected_test to make center selection more stable, not jitted at edge
|
|
self.hold_pos = self.view:screenToPageTransform({
|
|
x = pos.x + pos.w / 2,
|
|
y = pos.y + pos.h / 2
|
|
})
|
|
-- move indicator to center selected text making succeed same row selection much accurate.
|
|
UIManager:setDirty(self.dialog, "ui", self._current_indicator_pos)
|
|
self._current_indicator_pos.x = pos.x + pos.w / 2 - self._current_indicator_pos.w / 2
|
|
self._current_indicator_pos.y = pos.y + pos.h / 2 - self._current_indicator_pos.h / 2
|
|
UIManager:setDirty(self.dialog, "ui", self._current_indicator_pos)
|
|
end
|
|
else
|
|
self:onStopHighlightIndicator(true) -- need_clear_selection=true
|
|
end
|
|
else
|
|
self:onHoldRelease(nil, self:_createHighlightGesture("hold_release"))
|
|
self:onStopHighlightIndicator()
|
|
end
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:onStartHighlightIndicator()
|
|
if self.view.visible_area and not self._current_indicator_pos then
|
|
-- set start position to centor of page
|
|
local rect = self._previous_indicator_pos
|
|
if not rect then
|
|
rect = Geom:new()
|
|
rect.x = self.view.visible_area.w / 2
|
|
rect.y = self.view.visible_area.h / 2
|
|
rect.w = Size.item.height_default
|
|
rect.h = rect.w
|
|
end
|
|
self._current_indicator_pos = rect
|
|
self.view.highlight.indicator = rect
|
|
UIManager:setDirty(self.dialog, "ui", rect)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:onStopHighlightIndicator(need_clear_selection)
|
|
if self._current_indicator_pos then
|
|
local rect = self._current_indicator_pos
|
|
self._previous_indicator_pos = rect
|
|
self._start_indicator_highlight = false
|
|
self._current_indicator_pos = nil
|
|
self.view.highlight.indicator = nil
|
|
UIManager:setDirty(self.dialog, "ui", rect)
|
|
if need_clear_selection then
|
|
self:clear()
|
|
end
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:onMoveHighlightIndicator(args)
|
|
if self.view.visible_area and self._current_indicator_pos then
|
|
local dx, dy, quick_move = unpack(args)
|
|
local quick_move_distance_dx = self.view.visible_area.w / 5 -- quick move distance: fifth of visible_area
|
|
local quick_move_distance_dy = self.view.visible_area.h / 5
|
|
-- single move distance, small and capable to move on word with small font size and narrow line height
|
|
local move_distance = Size.item.height_default / 4
|
|
local rect = self._current_indicator_pos:copy()
|
|
if quick_move then
|
|
rect.x = rect.x + quick_move_distance_dx * dx
|
|
rect.y = rect.y + quick_move_distance_dy * dy
|
|
else
|
|
local now = time:now()
|
|
if dx == self._last_indicator_move_args.dx and dy == self._last_indicator_move_args.dy then
|
|
local diff = now - self._last_indicator_move_args.time
|
|
-- if press same arrow key in 1 second, speed up
|
|
-- double press: 4 single move distances, usually move to next word or line
|
|
-- triple press: 16 single distances, usually skip several words or lines
|
|
-- quadruple press: 54 single distances, almost move to screen edge
|
|
if diff < time.s(1) then
|
|
move_distance = self._last_indicator_move_args.distance * 4
|
|
end
|
|
end
|
|
rect.x = rect.x + move_distance * dx
|
|
rect.y = rect.y + move_distance * dy
|
|
self._last_indicator_move_args.distance = move_distance
|
|
self._last_indicator_move_args.dx = dx
|
|
self._last_indicator_move_args.dy = dy
|
|
self._last_indicator_move_args.time = now
|
|
end
|
|
if rect.x < 0 then
|
|
rect.x = 0
|
|
end
|
|
if rect.x + rect.w > self.view.visible_area.w then
|
|
rect.x = self.view.visible_area.w - rect.w
|
|
end
|
|
if rect.y < 0 then
|
|
rect.y = 0
|
|
end
|
|
if rect.y + rect.h > self.view.visible_area.h then
|
|
rect.y = self.view.visible_area.h - rect.h
|
|
end
|
|
UIManager:setDirty(self.dialog, "ui", self._current_indicator_pos)
|
|
self._current_indicator_pos = rect
|
|
self.view.highlight.indicator = rect
|
|
UIManager:setDirty(self.dialog, "ui", rect)
|
|
if self._start_indicator_highlight then
|
|
self:onHoldPan(nil, self:_createHighlightGesture("hold_pan"))
|
|
end
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function ReaderHighlight:_createHighlightGesture(gesture)
|
|
local point = self._current_indicator_pos:copy()
|
|
point.x = point.x + point.w / 2
|
|
point.y = point.y + point.h / 2
|
|
point.w = 0
|
|
point.h = 0
|
|
return {
|
|
ges = gesture,
|
|
pos = point,
|
|
time = time.realtime(),
|
|
}
|
|
end
|
|
|
|
|
|
return ReaderHighlight
|