mirror of
https://github.com/koreader/koreader
synced 2024-11-10 01:10:34 +00:00
b3b7e3d279
in some InfoMessage and ConfirmBox, introduced willingly or not, that cause top or bottom padding
741 lines
27 KiB
Lua
741 lines
27 KiB
Lua
local ButtonDialog = require("ui/widget/buttondialog")
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local ConfirmBox = require("ui/widget/confirmbox")
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local Device = require("device")
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local Event = require("ui/event")
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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 TimeVal = require("ui/timeval")
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local UIManager = require("ui/uimanager")
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local logger = require("logger")
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local _ = require("gettext")
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local ReaderHighlight = InputContainer:new{}
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function ReaderHighlight:init()
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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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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 = { 'tap_forward', 'tap_backward', 'readermenu_tap', 'readerconfigmenu_tap', },
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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 = 2.0,
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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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function ReaderHighlight:addToMainMenu(menu_items)
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-- insert table to main reader menu
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menu_items.highlight_options = {
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text = _("Highlighting"),
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sub_item_table = self:genHighlightDrawerMenu(),
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}
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end
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local highlight_style = {
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lighten = _("Lighten"),
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underscore = _("Underline"),
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invert = _("Invert"),
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}
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function ReaderHighlight:genHighlightDrawerMenu()
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local get_highlight_style = function(style)
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return {
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text = highlight_style[style],
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checked_func = function()
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return self.view.highlight.saved_drawer == style
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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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self.view.highlight.saved_drawer = style
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end
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}
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end
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return {
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{
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text_func = function()
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return self.view.highlight.disabled and _("Enable") or _("Disable")
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end,
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callback = function()
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self.view.highlight.disabled = not self.view.highlight.disabled
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end,
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hold_callback = function() self:makeDefault(not self.view.highlight.disabled) end,
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},
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get_highlight_style("lighten"),
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get_highlight_style("underscore"),
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get_highlight_style("invert"),
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}
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end
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-- Returns a unique id, that can be provided on delayed call to :clear(id)
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-- to ensure current highlight has not already been cleared, and that we
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-- are not going to clear a new highlight
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function ReaderHighlight:getClearId()
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self.clear_id = TimeVal.now() -- can act as a unique id
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return self.clear_id
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end
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function ReaderHighlight:clear(clear_id)
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if clear_id then -- should be provided by delayed call to clear()
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if clear_id ~= self.clear_id then
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-- if clear_id is no more valid, highlight has already been
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-- cleared since this clear_id was given
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return
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end
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end
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self.clear_id = nil -- invalidate id
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if self.ui.document.info.has_pages then
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self.view.highlight.temp = {}
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else
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self.ui.document:clearSelection()
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end
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if self.hold_pos then
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self.hold_pos = nil
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self.selected_text = nil
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UIManager:setDirty(self.dialog, "ui")
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return true
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end
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end
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function ReaderHighlight:onClearHighlight()
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self:clear()
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return true
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end
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function ReaderHighlight:onTap(_, ges)
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if not self:clear() then
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if self.ui.document.info.has_pages then
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return self:onTapPageSavedHighlight(ges)
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else
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return self:onTapXPointerSavedHighlight(ges)
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end
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end
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end
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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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function ReaderHighlight:onTapPageSavedHighlight(ges)
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local pages = self.view:getCurrentPageList()
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local pos = self.view:screenToPageTransform(ges.pos)
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for key, page in pairs(pages) do
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local items = self.view.highlight.saved[page]
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if items then
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for i = 1, #items do
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local pos0, pos1 = items[i].pos0, items[i].pos1
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local boxes = self.ui.document:getPageBoxesFromPositions(page, pos0, pos1)
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if boxes then
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for index, box in pairs(boxes) do
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if inside_box(pos, box) then
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logger.dbg("Tap on highlight")
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return self:onShowHighlightDialog(page, i)
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end
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end
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end
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end
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end
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end
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end
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function ReaderHighlight:onTapXPointerSavedHighlight(ges)
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local cur_page
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-- In scroll mode, we'll need to check for highlights in previous or next
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-- page too as some parts of them may be displayed
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local neighbour_pages = self.view.view_mode ~= "page" and 1 or 0
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local pos = self.view:screenToPageTransform(ges.pos)
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for page, _ in pairs(self.view.highlight.saved) do
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local items = self.view.highlight.saved[page]
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if items then
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for i = 1, #items do
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if not cur_page then
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cur_page = self.ui.document:getPageFromXPointer(self.ui.document:getXPointer())
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end
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local pos0, pos1 = items[i].pos0, items[i].pos1
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-- document:getScreenBoxesFromPositions() is expensive, so we
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-- first check this item is on current page
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local page0 = self.ui.document:getPageFromXPointer(pos0)
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local page1 = self.ui.document:getPageFromXPointer(pos1)
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local start_page = math.min(page0, page1)
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local end_page = math.max(page0, page1)
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-- In scroll mode, we may be displaying cur_page and cur_page+1, so
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-- we have to check the highlight start_page is <= cur_page+1.
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-- Same thinking with highlight's end_page >= cur_page-1 as we may
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-- be displaying a part of cur_page-1.
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-- (A highlight starting on cur_page-17 and ending on cur_page+13 is
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-- a highlight to consider)
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if start_page <= cur_page + neighbour_pages and end_page >= cur_page - neighbour_pages then
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local boxes = self.ui.document:getScreenBoxesFromPositions(pos0, pos1)
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if boxes then
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for index, box in pairs(boxes) do
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if inside_box(pos, box) then
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logger.dbg("Tap on highlight")
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return self:onShowHighlightDialog(page, i)
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end
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end
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end
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end
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end
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end
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end
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end
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function ReaderHighlight:onShowHighlightDialog(page, index)
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self.edit_highlight_dialog = ButtonDialog:new{
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buttons = {
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{
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{
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text = _("Delete"),
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callback = function()
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self:deleteHighlight(page, index)
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-- other part outside of the dialog may be dirty
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UIManager:close(self.edit_highlight_dialog, "ui")
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end,
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},
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{
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text = _("Edit"),
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callback = function()
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self:editHighlight(page, index)
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UIManager:close(self.edit_highlight_dialog)
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end,
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},
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},
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},
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}
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UIManager:show(self.edit_highlight_dialog)
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return true
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end
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function ReaderHighlight:onHold(arg, ges)
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-- disable hold gesture if highlighting is disabled
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if self.view.highlight.disabled then return true end
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self:clear() -- clear previous highlight (delayed clear may not have done it yet)
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self.hold_ges_pos = ges.pos -- remember hold original gesture position
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self.hold_pos = self.view:screenToPageTransform(ges.pos)
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logger.dbg("hold position in page", self.hold_pos)
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if not self.hold_pos then
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logger.dbg("not inside page area")
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return true
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end
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-- check if we were holding on an image
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local image = self.ui.document:getImageFromPosition(self.hold_pos)
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if image then
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logger.dbg("hold on image")
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local ImageViewer = require("ui/widget/imageviewer")
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local imgviewer = ImageViewer:new{
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image = image,
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-- title_text = _("Document embedded image"),
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-- No title, more room for image
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with_title_bar = false,
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fullscreen = true,
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}
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UIManager:show(imgviewer)
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return true
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end
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-- otherwise, we must be holding on text
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local ok, word = pcall(self.ui.document.getWordFromPosition, self.ui.document, self.hold_pos)
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if ok and word then
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logger.dbg("selected word:", word)
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self.selected_word = word
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local link = self.ui.link:getLinkFromGes(ges)
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self.selected_link = nil
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if link then
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logger.dbg("link:", link)
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self.selected_link = link
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end
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if self.ui.document.info.has_pages then
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local boxes = {}
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table.insert(boxes, self.selected_word.sbox)
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self.view.highlight.temp[self.hold_pos.page] = boxes
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end
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UIManager:setDirty(self.dialog, "ui")
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-- TODO: only mark word?
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-- Unfortunately, CREngine does not return good coordinates
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-- UIManager:setDirty(self.dialog, "partial", self.selected_word.sbox)
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self.hold_start_tv = TimeVal.now()
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end
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return true
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end
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function ReaderHighlight:onHoldPan(_, ges)
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if self.hold_pos == nil then
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logger.dbg("no previous hold position")
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return true
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end
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local page_area = self.view:getScreenPageArea(self.hold_pos.page)
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if ges.pos:notIntersectWith(page_area) then
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logger.dbg("not inside page area", ges, page_area)
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return true
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end
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self.holdpan_pos = self.view:screenToPageTransform(ges.pos)
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logger.dbg("holdpan position in page", self.holdpan_pos)
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local old_text = self.selected_text and self.selected_text.text
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self.selected_text = self.ui.document:getTextFromPositions(self.hold_pos, self.holdpan_pos)
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if self.selected_text and old_text and old_text == self.selected_text.text then
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-- no modification
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return
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end
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logger.dbg("selected text:", self.selected_text)
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if self.selected_text then
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self.view.highlight.temp[self.hold_pos.page] = self.selected_text.sboxes
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-- remove selected word if hold moves out of word box
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if not self.selected_text.sboxes or #self.selected_text.sboxes == 0 then
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self.selected_word = nil
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elseif self.selected_word and not self.selected_word.sbox:contains(self.selected_text.sboxes[1]) or
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#self.selected_text.sboxes > 1 then
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self.selected_word = nil
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end
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end
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UIManager:setDirty(self.dialog, "ui")
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end
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local info_message_ocr_text = _([[
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No OCR results or no language data.
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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.
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You can download language data files for version 3.04 from https://github.com/tesseract-ocr/tesseract/wiki/Data-Files
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Copy the language data files for Tesseract 3.04 (e.g., eng.traineddata for English and spa.traineddata for Spanish) into koreader/data/tessdata]])
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function ReaderHighlight:lookup(selected_word, selected_link)
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-- if we extracted text directly
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if selected_word.word then
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local word_box = self.view:pageToScreenTransform(self.hold_pos.page, selected_word.sbox)
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self.ui:handleEvent(Event:new("LookupWord", selected_word.word, word_box, self, selected_link))
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-- or we will do OCR
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elseif selected_word.sbox and self.hold_pos then
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local word = self.ui.document:getOCRWord(self.hold_pos.page, selected_word)
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logger.dbg("OCRed word:", word)
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if word and word ~= "" then
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local word_box = self.view:pageToScreenTransform(self.hold_pos.page, selected_word.sbox)
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self.ui:handleEvent(Event:new("LookupWord", word, word_box, self, selected_link))
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else
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UIManager:show(InfoMessage:new{
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text = info_message_ocr_text,
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})
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end
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end
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end
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function ReaderHighlight:translate(selected_text)
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if selected_text.text ~= "" then
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self.ui:handleEvent(Event:new("TranslateText", self, selected_text.text))
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-- or we will do OCR
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else
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local text = self.ui.document:getOCRText(self.hold_pos.page, selected_text)
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logger.dbg("OCRed text:", text)
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if text and text ~= "" then
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self.ui:handleEvent(Event:new("TranslateText", self, text))
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else
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UIManager:show(InfoMessage:new{
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text = info_message_ocr_text,
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})
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end
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end
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end
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function ReaderHighlight:onHoldRelease()
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if self.hold_start_tv then
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local hold_duration = TimeVal.now() - self.hold_start_tv
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hold_duration = hold_duration.sec + hold_duration.usec/1000000
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self.hold_start_tv = nil
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if hold_duration > 3.0 and self.selected_word then
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-- if we were holding for more than 3 seconds on a word, make
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-- it behave like we panned and selected more words, so we can
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-- directly access the highlight menu and avoid a dict lookup
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self:onHoldPan(nil, {pos=self.hold_ges_pos})
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end
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end
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if self.selected_text then
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logger.dbg("show highlight dialog")
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self.highlight_dialog = ButtonDialog:new{
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buttons = {
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{
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{
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text = _("Highlight"),
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callback = function()
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self:saveHighlight()
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self:onClose()
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end,
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},
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{
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text = _("Add Note"),
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enabled = false,
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callback = function()
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self:addNote()
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self:onClose()
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end,
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},
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},
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{
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{
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text = "Copy",
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enabled = Device:hasClipboard(),
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callback = function()
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Device.input.setClipboardText(self.selected_text.text)
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end,
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},
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{
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text = _("Translate"),
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enabled = false,
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callback = function()
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self:translate(self.selected_text)
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self:onClose()
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end,
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},
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},
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{
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{
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text = _("Wikipedia"),
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callback = function()
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UIManager:scheduleIn(0.1, function()
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self:lookupWikipedia()
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-- We don't call self: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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{
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text = _("Dictionary"),
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callback = function()
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self:onHighlightDictLookup()
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-- We don't call self:onClose(), same reason as above
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end,
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},
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},
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{
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{
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text = _("Follow Link"),
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enabled = self.selected_link ~= nil,
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callback = function()
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self.ui.link:onGotoLink(self.selected_link)
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self:onClose()
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end,
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},
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{
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text = _("Search"),
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callback = function()
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self:onHighlightSearch()
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UIManager:close(self.highlight_dialog)
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end,
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},
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},
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},
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tap_close_callback = function() self:handleEvent(Event:new("Tap")) end,
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}
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UIManager:show(self.highlight_dialog)
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elseif self.selected_word then
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self:lookup(self.selected_word, self.selected_link)
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self.selected_word = nil
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end
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return true
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end
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function ReaderHighlight:highlightFromHoldPos()
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if self.hold_pos then
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if not self.selected_text then
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self.selected_text = self.ui.document:getTextFromPositions(self.hold_pos, self.hold_pos)
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logger.dbg("selected text:", self.selected_text)
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end
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end
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end
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function ReaderHighlight:onHighlight()
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self:saveHighlight()
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end
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function ReaderHighlight:onUnhighlight(bookmark_item)
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local page
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local sel_text
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local sel_pos0
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local datetime
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local idx
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if bookmark_item then -- called from Bookmarks menu onHold
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page = bookmark_item.page
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sel_text = bookmark_item.notes
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sel_pos0 = bookmark_item.pos0
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datetime = bookmark_item.datetime
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else -- called from DictQuickLookup Unhighlight button
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page = self.hold_pos.page
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|
sel_text = self.selected_text.text
|
|
sel_pos0 = self.selected_text.pos0
|
|
end
|
|
if self.ui.document.info.has_pages then -- We can safely use page
|
|
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 highlight.text == sel_text and (
|
|
(datetime == nil and highlight.pos0 == sel_pos0) or
|
|
(datetime ~= nil and highlight.datetime == datetime)) then
|
|
idx = index
|
|
break
|
|
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
|
|
local datetime = os.date("%Y-%m-%d %H:%M:%S")
|
|
local page = self.ui.document.info.has_pages and
|
|
self.hold_pos.page or self.selected_text.pos0
|
|
return {
|
|
page = page,
|
|
pos0 = self.selected_text.pos0,
|
|
pos1 = self.selected_text.pos1,
|
|
datetime = datetime,
|
|
notes = self.selected_text.text,
|
|
highlighted = true,
|
|
}
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:saveHighlight()
|
|
self.ui:handleEvent(Event:new("AddHighlight"))
|
|
logger.dbg("save highlight")
|
|
local page = self.hold_pos.page
|
|
if self.hold_pos and self.selected_text and self.selected_text.pos0
|
|
and self.selected_text.pos1 then
|
|
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 hl_item = {
|
|
datetime = datetime,
|
|
text = 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,
|
|
}
|
|
table.insert(self.view.highlight.saved[page], hl_item)
|
|
local bookmark_item = self:getHighlightBookmarkItem()
|
|
if bookmark_item then
|
|
self.ui.bookmark:addBookmark(bookmark_item)
|
|
end
|
|
--[[
|
|
-- disable exporting highlights to My Clippings
|
|
-- since it's not portable and there is a better Evernote plugin
|
|
-- to do the same thing
|
|
if self.selected_text.text ~= "" then
|
|
self:exportToClippings(page, hl_item)
|
|
end
|
|
--]]
|
|
if self.selected_text.pboxes then
|
|
self:exportToDocument(page, hl_item)
|
|
end
|
|
end
|
|
end
|
|
|
|
--[[
|
|
function ReaderHighlight:exportToClippings(page, item)
|
|
logger.dbg("export highlight to clippings", item)
|
|
local clippings = io.open("/mnt/us/documents/My Clippings.txt", "a+")
|
|
if clippings and item.text then
|
|
local current_locale = os.setlocale()
|
|
os.setlocale("C")
|
|
clippings:write(self.document.file:gsub("(.*/)(.*)", "%2").."\n")
|
|
clippings:write("- KOReader Highlight Page "..page.." ")
|
|
clippings:write("| Added on "..os.date("%A, %b %d, %Y %I:%M:%S %p\n\n"))
|
|
-- My Clippings only holds one line of highlight
|
|
clippings:write(item["text"]:gsub("\n", " ").."\n")
|
|
clippings:write("==========\n")
|
|
clippings:close()
|
|
os.setlocale(current_locale)
|
|
end
|
|
end
|
|
--]]
|
|
|
|
function ReaderHighlight:exportToDocument(page, item)
|
|
logger.dbg("export highlight to document", item)
|
|
self.ui.document:saveHighlight(page, item)
|
|
end
|
|
|
|
function ReaderHighlight:addNote()
|
|
self:handleEvent(Event:new("addNote"))
|
|
logger.dbg("add Note")
|
|
end
|
|
|
|
function ReaderHighlight:lookupWikipedia()
|
|
if self.selected_text then
|
|
self.ui:handleEvent(Event:new("LookupWikipedia", self.selected_text.text))
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:onHighlightSearch()
|
|
logger.dbg("search highlight")
|
|
self:highlightFromHoldPos()
|
|
if self.selected_text then
|
|
local text = require("util").stripePunctuations(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", self.selected_text.text))
|
|
end
|
|
end
|
|
|
|
function ReaderHighlight:shareHighlight()
|
|
logger.info("share highlight")
|
|
end
|
|
|
|
function ReaderHighlight:moreAction()
|
|
logger.info("more action")
|
|
end
|
|
|
|
function ReaderHighlight:deleteHighlight(page, i, bookmark_item)
|
|
self.ui:handleEvent(Event:new("DelHighlight"))
|
|
logger.dbg("delete highlight", page, i)
|
|
local removed = table.remove(self.view.highlight.saved[page], i)
|
|
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
|
|
end
|
|
|
|
function ReaderHighlight:editHighlight(page, i)
|
|
logger.info("edit highlight", page, i)
|
|
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,
|
|
}, true)
|
|
end
|
|
|
|
function ReaderHighlight:onReadSettings(config)
|
|
self.view.highlight.saved_drawer = config:readSetting("highlight_drawer") or self.view.highlight.saved_drawer
|
|
local disable_highlight = config:readSetting("highlight_disabled")
|
|
if disable_highlight == nil then
|
|
disable_highlight = G_reader_settings:readSetting("highlight_disabled") or false
|
|
end
|
|
self.view.highlight.disabled = disable_highlight
|
|
end
|
|
|
|
function ReaderHighlight:onSaveSettings()
|
|
self.ui.doc_settings:saveSetting("highlight_drawer", self.view.highlight.saved_drawer)
|
|
self.ui.doc_settings:saveSetting("highlight_disabled", self.view.highlight.disabled)
|
|
end
|
|
|
|
function ReaderHighlight:onClose()
|
|
UIManager:close(self.highlight_dialog)
|
|
-- clear highlighted text
|
|
self:clear()
|
|
end
|
|
|
|
function ReaderHighlight:makeDefault(highlight_disabled)
|
|
local new_text
|
|
if highlight_disabled then
|
|
new_text = _("Disable highlight by default.")
|
|
else
|
|
new_text = _("Enable highlight by default.")
|
|
end
|
|
UIManager:show(ConfirmBox:new{
|
|
text = new_text,
|
|
ok_callback = function()
|
|
G_reader_settings:saveSetting("highlight_disabled", highlight_disabled)
|
|
end,
|
|
})
|
|
self.view.highlight.disabled = highlight_disabled
|
|
end
|
|
|
|
return ReaderHighlight
|