Rework b66d0be3 and 6205f260 by making that simpler
to comprehend:
- If interruption or search result window is shown in
less than 3 secondes: no specific tweak, a tap outside
will dismiss everything instantaneously.
- If done after 3 seconds: show the interruption or result
window, and discard input for a few 100ms.
- UIManager:discardEvents(): increase a bit default delays.
Restore feature removed in c98dfef7: tap on title
to set dict of current result as a preferred dictionary
for this document.
Changes from former implementation:
- trust sdcv for ordering, instead of doing it ourselves
by looking at the results (which didn't always work)
- allow setting multiple preferred dicts
- order of preference is shown with a number as a prefix
to the dictionary name in the title
- taping again allows removing it from preferred dicts,
and taping again allows setting it back as the first
preferred dict
* Flush mode to settings ASAP when an unrelated option updates the mode.
Fixes, among other things, *enabling* the progress bar while the status
bar is hidden: this showed it, but kept mode as "off".
* Don't stomp on the current mode when toggling the progress bar.
And *always* pop the status bar back up to see the difference, even if
it's hidden.
This used to be done only when *enabling* the progress bar.
Add UIManager:discardEvents(), to allow dropping events
for a period of time.
Default duration of 600ms on eInk, 300ms otherwise.
Used when showing the dict result window, so that a tap
happening just when it's being shown won't discard it.
Used with Trapper:confirm()/:info(), to avoid taps made
in a previous processing to dismiss (and so, select the
cancel action) a ConfirmBox not yet painted/visible.
Don't cleanup input text as much when entered manually
(or when it's sane) than when coming from book text
selection.
This may allow looking up words like "-suffix", or
do more precise Wikipedia queries.
Brainfart from 6162c287e8
Forgot to zap the original UIManager:show(), so we were stacking two
identical widgets on top of each other, which obviously affected alpha.
Re #7029
- Rework widget layout to avoid implicit (and wrong)
sizing, using proper padding/margins and correct
measurements of components.
- Adjust lookup word font size so it's not smaller
than the definition.
- Tweak small window positionning: keep it centered
if possible, only move it to keep the highlighted
word shown when we can.
- Large window: adjust to screen size correctly,
leaving room for footer.
- Always have a "Close" button at bottom right.
Former always displayed button "Follow link" will
be added as a 3rd row in the rare case we select
a word in a link.
- Replace "tap on lookup word to edit and redo the
query" with an icon on the right: tap on it to
edit the queries word, long-press to edit the
current result word. Only close the current dict
window when lookup is launched.
- Remove feature "tap on title to set current dict
as the default dict for this document", as it didn't
really work, and it was bad UX.
If interrupted quickly just after lookup launch, don't
display anything (this might help avoiding refreshes
and the need to dismiss after accidental long-press
when manipulating the device).
- InfoMessage: add an option show_delay.
- MovableContainer: avoid possible crash when
not yet painted.
- ReaderDictionary: use show_delay=0.5 instead of
scheduleIn(0.5n...) (a5b133da) as we need the
InfoWidget to be known to UIManager to catch tap
and allow interrupting lookups properly.
- ReaderDictionary: rework handling of no_refresh_on_close
(6162c287) with proper regions comparisons
Drop the use of crengine's getWordFromPosition() which
is a bit unreliable: it may returns wrong coordinates,
or words from far away in the book (ie. when holding
in the margins).
Rely only on the robust getTextFromPositions() that
we already use for multi words selection.
Having good coordinates allows refreshing a smaller region
(the higlighted word, or the 2 lines if hyphenated).
That way images can be made to work in a more generic, portable manner, such as:
```
return function(html, dict_path)
html = html:gsub('<rref[^>]*>([^<]*%.jpg)</rref>', '<img src="'..dict_path..'res/%1">')
return html
end
```
Cf. <https://github.com/koreader/koreader/issues/6056>.
- Add IconWidget, use it for icons instead of ImageWidget.
Specify icons by name only, look for them (with either
.svg or .png suffixes) in multiple directories (including
koreader/settings/icons/ to allow customizing them).
Don't crash when icon name not found, shown a black
background warning icon instead.
- Don't trust the icons' native sizes: replace
scale_for_dpi=true with width/height=DGENERIC_ICON_SIZE,
so all icons get the same (tunable) size - except in
a few specific use cases.
- Top and bottom menu bars: normalize, and have icons
properly centered in them, extend vertical line
separators up to the edges.
- TOC: adjust expand/collapse icons size to items size
* ReaderFooter:
* Honor the global twelve_hour_clock setting, instead of
duplicating a local one.
(Re #6969)
* os.date is a thin wrapper around strftime, so we might be able to get
away with some not-quite-standard extensions...
These are *definitely* supported on Linux, but are *NOT* the glibc
extension (that'd be e.g., %-I), so, hopefully, they're somewhat
portable...
They are also supported on BSD/macOS.
They are *not* supported by the MS UCRT. That means MinGW-w64, too.
This *appears* to be supported on current Bionic (it might even support
said glibc format altering extensions).
* And of course, Windows is terrible, so, make this terribly ugly to not
break it there...
* Turns out BSD also supports the dash trim format extension, so, leave
the trimming to the libc, and handle the special-casing in a way that
doesn't create stupid locals.
* Random unrelated cleanup ^^.
(https://gitter.im/koreader/koreader?at=5fd24be492aa1c4ef5d11f31)
* Update the testsuite
(Because the default used to be 24h clock).
Changed the default to 24h clock ;p.
* Explain why we don't try to fix it in Lua
* ReaderDictionary: Don't refresh when dimissing the lookup info
InfoMessage
Re #6932
* Fix dict_largewindow in Landscape
Have to leave some room for the UI chrome
* Top menu & bottom menu tapzones are now full-width, thanks to the now sane override system.
* A separate, extra tapzone was also created for each of them to provide a taller, but narrower tapzone extension (one that doesn't clash with the prev/next tapzones).
* The footer tapzone was made much taller.
nextTick was too early ;).
Prevents small hitches when turning the page for the page where this
triggers.
Apply the same trickery to the Stats DB insert, even if that one probably
had a much smaller impact.
* Warn on restart if the startup script has been updated, because a restart will not reload it.
* Also warn right after the update if it contained a startup script update...
- Move zoom options from top menu to bottom config
- Add option to manually define zoom (relative to
page width) and overlap (in percent)
- Add options to zoom to columns or rows, possibly
with overlap. Add panning direction options when
page forward in these modes
Some stuff was still hacked on manually instead of trusting the widget system to do things right, which it does, if you update the right stuff at the right time the right way ;). *This Is The Way*.
Fix#6893 (and address https://github.com/koreader/koreader/pull/6878#discussion_r523411883, because it was indeed redundant ^^).
Includes a bonus fix for a number of (footer) settings not being applied immediately in PDFs.
Add option to hide (skip) non-linear fragments, only working
in 1-page mode. Tweaks mostly to footer, toc and skim code
to make it clear(er) which pages belong to linear or non-linear
fragments.
* Use a CRe set* method when toggling nightmode
This ensures it gets flagged as add_reset by the call cache, and that
CRe will actually re-render, as it's necessary if nightmode_images is
enabled (the default).
Fix#6845
* Prevent ReaderHighlight:onTap from running ReaderHighlight:clear when
it's unnecessary.
Avoiding a clearSelection call in CRe that could invalidate the cache
and cause unnecessary redraws.
* Don't store empty highlight arrays when all HLs on a page have
been deleted
Have ReaderBack be the sole handler of onBack.
Add 4 mutually exclusive options for the Back key,
to avoid ReaderLink and ReaderBack location stacks
from interfering (ReaderBack's stack being always a
superset of ReaderLink's stack).
So, remove "Enable back history", which is replaced
by Back option "Go to previous read page".
Fix a few possible crashes and inconsistencies (when
zoom, scroll or reflow have changed) with ReaderPaging
and ReaderView when restoring previous page/view.
* When auto_refresh_time is enabled, don't actually refresh anything when the footer is hidden.
* Fix a bunch of state tracking related to height computations, meaning `getHeight()` is now actually accurate, always, and we don't need shitty workarounds anymore.
* `footer_container.dimen.h` *includes* the progress bar, so, never reset it to 0 unless the progress bar is disabled (some `settings.progress_bar_position` codepaths were mistakenly doing just that).
* More aggressively set/reset `footer_text.height` (not sure this one makes much of a difference, and/or if it's actually useful at all, but, the tracking was already there, but hella inconsistent, so, just fix it).
* Honor `settings.reclaim_height` in other bits of code that were only checking `footer_visible` to figure out the visible page area.
* Ask ReaderView to update the `visible_area` *now* when toggling the footer's visibility (for ReaderPaging).
* Update the data collection format & handler to make it much less tortuous
* Update the pagecount & resync the stats on document layout changes
* Update the database schema to allow doing most queries against a SQL view that rescales the collected data to be accurate regardless of document layout (thanks to @marek-g for the SQL magic ;)).
* Add a "reset stats for current book" entry in the list of reset options, one that won't horribly break stats in said book ;).
* Fixed a couple of resource (SQL connection) leaks (in ReaderStatistics:getCurrentBookStats & ReaderStatistics:getCurrentBookStats).
* Flush stats to the DB on periodical metadata saves.
* Minor cosmetic tweaks to the code
Includes:
- (Upstream) various unimpacting changes to keep in sync
- (Upstream) Fix issues with legacy text rendering
- (Upstream) FB3/DocX/ODT: get lang and description metadata
- (Upstream) remove some global settings, make them per-doc
- TextLang, hyphenation: add Armenian, Friulian, Piedmontese,
Romansh, Zulu and Brazilian Portuguese.
Also make cre the prefered engine for .xhtml (over MuPDF)
and for .xml (which might be HTML).
* In icons mode, just use two different icons to display Wi-Fi status
* Enable Wi-Fi status icon on Kobo & Cervantes, too
* Refresh footer on (dis)connect if the Wi-Fi status item is enabled
This pull requests aims to provide convenient way to zoom in comics. The idea is when user holds/double taps (not decided yet) on a manga/comic panel, it gets cut out from the rest of the image and zoomed. More details in koreader/koreader-base#1148. Depends on koreader/koreader-base#1159
Includes:
- Update German hyphenation patterns
- (Upstream) Adds ODT (ODF) format support
- TextLang, hyphenation: add Basque, Croatian, Esperanto,
Estonian, Georgian, Latvian, Lithuanian, Macedonian,
Occitan, Welsh; update Bulgarian, Irish, Portuguese,
Slovak, Dutch, Norwegian, Spanish; update hyphen min
for Czech, English, Greek; fix Romanian and Ukrainian
pattern file names
- HyphMan: adds HyphMethod::getLeft/RightHyphenMin()
- epub.css: update HR default style
- fb2.css: keep <date> in main text left-aligned
- getRenderedWidths(): inline-block and table fixes
- CSS: avoid style hash mismatch when serializing content:''
- Tables: re-order row groups when necessary
- XML parsing: don't drop trailing text
- HTML parser: tweak implicit head/body insertion code
- Fix text search failure when blank at start or end
readertypography.lua: some cleanup by removing the first
table listing hyph dicts, and including their filenames
in the second table so we can build the first table
dynamically. Also fetch hyph left/right min limits from
crengine to not have to duplicate them here and keep them
in sync.
css_tweaks.lua: for in-page footnotes, switched from
"-cr-only-if: epub-document" to ": -fb2-document"
("not" FB2 documents), so these tweaks also work with
DocX and ODT footnotes.
Also included in base bump:
- KOPTContext: add comic panel detection function/additional
leptonica declarations
- Forcibly disable docs when building giflib
In the "Set footnote popup font size", allow toggling
between setting a relative (to the document) font size
and setting an absolute font size (that won't change
with the document font size).
Since 8815cbe0 and getSafeFilename() taking additional
parameters, and :gsub() returning multiple values,
filesystem type wasn't really checked and replacements
were not ensured, so saving articles like "Portal:Stuff"
failed on VFAT devices as ':' wasn't replaced.
After the awesome work made by @ezdiy:
- Remove empty dir from release zip
- Remove misc files (txt, md, html, gif) to prevent displaying them in PB library
- Do not asociate executable files (sh and py for the moment), just openable files
- Rename the font sample from html to template (to prevent wiping it during clean)
Only with CreDocuments (as no way currently to highlight links
in PDFs).
Tab or Shift-Tab to select next or previous links.
Press to follow (or show footnote in popup, and in there Press
to follow), back to go back.
(Not sure how and with what this check works and if
we still get such kind of items, but avoid a crash
when item2.pos0 exists but item1.pos0 does not.)
It's only needed by all_at_once, but we were skipping it if nothing or
only a single mode was enabled.
It lead to desync w/ the settings, or a crash.
Fix#6561
Includes:
- Revert "FB2: don't draw cover in scroll mode"
- (Upstream) FB2: fix coverpage drawing in scroll mode
- FB2 footnotes: only merge run-in when next is erm_final
- fb2.css: use OTF tabular-nums for footnote numbers
- Text: ignore ascii and unicode control chars
- Fix HR positionning when floats involved
- writeNodeEx(): minor tweaks
- OnTagClose(): add self_closing_tag parameter
- HTML format detection: accept HTML5 doctype
- HTML parser: rework Lib.ru specific handling
- HTML parser: new more conforming implementation
- HTML parser: ensure foster parenting inside tables
Also includes:
- SDL: don't bypass X11 WM compositor
* Boundaries are now detected both when paging forward and backward.
Fixes potential false-negatives in the chapter boundary heuristic code, as mentioned in https://github.com/koreader/koreader/pull/6528#issuecomment-678610188 ;).
* Tweaked ReaderFooter to not repaint ReaderUI when it's unnecessary. (toggling/cycling it on a page with significant image content would flash the full screen).
* Only flash the first time a page w/ significant image content is shown. (Menus, among other things, could otherwise re-trip the flash).
* Add an option to *always* flash on chapter boundaries
* Optionally, in flash on chapter boundaries mode, also flash on the *second* page of a chapter.
(There's often a large river at the top of the page on a chapter's first page)
* In CRe, request a flashing update when there is significant image content on the page.
* Register all refresh rate related options in Dispatcher, making them available in Gestures & Profiles.
* bump crengine: reworked hanging punctuation
* move setting management from ReaderTypeset to ReaderTypography
And fix initial handling of defaults being loaded as true/false
but needing to be saved as 1/0.
* fix luacheck
* Revamped most actions that require an internet connection to a new/fixed backend that allows forwarding the initial action and running it automatically once connected. (i.e., it'll allow you to set "Action when Wi-Fi is off" to "turn_on", and whatch stuff connect and do what you wanted automatically without having to re-click anywhere instead of showing you a Wi-Fi prompt and then not doing anything without any other feedback).
* Speaking of, fixed the "turn_on" beforeWifi action to, well, actually work. It's no longer marked as experimental.
* Consistently use "Wi-Fi" everywhere.
* On Kobo/Cervantes/Sony, implemented a "Kill Wi-Fi connection when inactive" system that will automatically disconnect from Wi-Fi after sustained *network* inactivity (i.e., you can keep reading, it'll eventually turn off on its own). This should be smart and flexible enough not to murder Wi-Fi while you need it, while still not keeping it uselessly on and murdering your battery.
(i.e., enable that + turn Wi-Fi on when off and enjoy never having to bother about Wi-Fi ever again).
* Made sending `NetworkConnected` / `NetworkDisconnected` events consistent (they were only being sent... sometimes, which made relying on 'em somewhat problematic).
* restoreWifiAsync is now only run when really needed (i.e., we no longer stomp on an existing working connection just for the hell of it).
* We no longer attempt to kill a bogus non-existent Wi-Fi connection when going to suspend, we only do it when it's actually needed.
* Every method of enabling Wi-Fi will now properly tear down Wi-Fi on failure, instead of leaving it in an undefined state.
* Fixed an issue in the fancy crash screen on Kobo/reMarkable that could sometime lead to the log excerpt being missing.
* Worked-around a number of sneaky issues related to low-level Wi-Fi/DHCP/DNS handling on Kobo (see the lengthy comments [below](https://github.com/koreader/koreader/pull/6424#issuecomment-663881059) for details). Fix#6421
Incidentally, this should also fix the inconsistencies experienced re: Wi-Fi behavior in Nickel when toggling between KOReader and Nickel (use NM/KFMon, and run a current FW for best results).
* For developers, this involves various cleanups around NetworkMgr and NetworkListener. Documentation is in-line, above the concerned functions.
It doesn't do so for the FM, so the inconsistency is confusing.
Plus, if you're actively using sticky rotation, saved rotations are
ignored anyway.
Re #6420
use `device` `filemanager` `rolling` and `paging` sections to organize the
dispatcher menu and allow the user to know when the action will apply
add events from ReaderGesture
allow profiles in FM
* Allow locking the gyro to the current screen mode (i.e., orientation).
* Tweak the "sticky rota" option to work both ways
* More rotation constant usage instead of magic numbers
* landscape FM / Refactor rotation
refactor and simplify the orientation handling code. the user generally cares about the rotation (what direction the device is facing) and not about if koreader is displaying in portrait or landscape mode
* bump base
update luasocket, libjpeg-turbo, curl
add logging to evernote-sdk-lua
update framebuffer for proper rotation
Was correctly done when jumping bookmarks via the Bookmarks
menu and the SkimTo widget, but not from gestures.
Also prevent fillToc() on each page turn when book has no TOC.
joins calibre metadata search and calibre wireless connections into a single plugin
search metadata changes:
- search directly into calibre metadata files.
- search can be performed on more than one library (configurable from a menu)
- device scans now find all calibre libraries under a given root
- search options can be configured from a menu. (case sensitive, find by title, author and path)
- removed legacy global variables.
- *option* to search from the reader
- *option* to generate a cache of books for faster searches.
calibre wireless connection changes:
- keep track of books in a library (includes prunning books from calibre metadata if the file was deleted locally)
- remove files on device from calibre
- support password protected connections
- FM integration: if we're in the inbox dir it will be updated each time a book is added or deleted.
- disconnect when requested by calibre, available on newer calibre versions (+4.17)
- remove unused opcodes.
- better report of client name, version and device id
- free disk space checks for all calibre versions
- bump supported extensions to match what KOReader can handle. Users can override this with their own list of extensions (or from calibre, by configuring the wireless device).
* Fix HW dithered partial refreshes sometimes behaving as if the refreshed
content had moved a few pixels to the side...
Probably a kernel issue with the alignment fixup in the EPDC?
* Get rid of the legacy coordinates fixup
It shouldn't be necessary anymore.
And I'd rather fix the root cause, anyway.
* Bump base
(https://github.com/koreader/koreader-base/pull/1116)
* Missed a few DIVs in #6224
* * Refresh the footer instantly when changing the prefix, separator, or
formatting.
* Allow setting the container height (formerly
DMINIBAR_CONTAINER_HEIGHT)
* Allow setting the container bottom padding (formerly 1 flex pixel)
* Refactor ReaderFooter:applyFooterMode
Handle toggling the genFooterText function even in all at once mode
Make sure the layout is properly reset when changing visibility state,
to avoid inconsistencies with complex layouts.
Allows editing a CSS snippet to be applied to this
book only, without the need to create and edit
a User style tweak.
Allows copying any other tweak CSS by just taping
on it (and pasting into this with Hold).
Limit User style tweaks nb of items per menu page
to 6 (like we try to do for other tweaks menus).
Feed to crengine the same ticks (build from the TOC
entries) that we use in the bottom status bar.
(crengine otherwise builds a tick for each DocFragment,
which most often is really different than what's seen
in the bottom bar.)
Includes:
- GIF decoding: avoid crash on some images
- Top progress bar: avoid re-computing when not needed
- Top progress bar: allow external filling of marks
- CSS/Text: properly inherit and handle text-align-last
- getRenderedWidths(): fix handling of text-indent
- Reorder some flags to make the sets clearer
- CSS: support more white-space named values
- Text: fix standalone BR not making an empty line (rework)
- CSS: support for pseudo elements ::before & ::after
- CSS: content: open-quote support via TextLangMan
- CSS/Text selection: adds a few "-cr-hint:" tweaks
cre.cpp: adds setHeaderProgressMarks()
Added 2 style tweaks to disable pseudo elements
::before/after and common ligatures.
7d139263 was preventing some features to work,
so skip it in some cases:
When toggling between top & bottom status bar (a tap
is simulated to show the bottom bar).
When in flipping mode (jumps to page at tap position).
When toggling via menu (shown only when zero tap zone).
This is a quick exploration into how the new Device:hasFewKeys() method could work to make things more usable on very limited devices.
In the reader, the right is repurposed to open the menu. Left in turn closes it.
The same principle is applied to ButtonDialog. This means you can select anything in principle, but once you go right you can't go back.
References <https://github.com/koreader/koreader/issues/4029>.
Iterating a k/v table as an array would have us stopped
on the first disabled MODE (frontlight, battery... on
some devices).
Rework that initial setup, and make it correctly handle
added or removed MODEs when using the ordered items
saved in the user settings.
Includes:
- Don't reset invisible BR to display: inline
- ldomTextCollector: handle inline-block/table as inline
- Avoid re-rendering on font hinting mode change
- List markers: fix positionning when floats involved
- GIF decoding: avoid uneeded abort on LZW table overflow
- Adds getUnknownEntities(), can help with debugging
- Don't check stylesheet hashes when loading from cache
- Hardcoded elements and attributes list: cleanup
- Full rendering: 2 small optimisations
- Strut confinning: deal with images earlier
- lvtextfm: some cleanup and reordering
cre.cpp:
- fix getPageFromXPointer() and getPosFromXPointer()
to not fail on invisible nodes and work on the next
visible node (so links whose target is display:none
can work).
Add support for 2 settings one can set manually
in reader.settings.reader.lua:
["cre_background_color"] = "0xccffcc",
["cre_background_image"] = "/path/to/bg_paper.jpg",
This number might have been leaking from a previously opened
book, and can be innacurate.
Reset it from the number of highlights stored in settings.
Note that the number of "Notes" shown does not mean much.
- Use same names for options;
- Have them both movable
- Add option to keep widget shown on Apply (and use that
when appropriate: when the value may have an immediate
visual effect, so one can tweak it without having to
go thru menus to re-open it again).
Mostly for the PDF bottom menu.
- Reorganize by topic, trying to limit the number
of widgets per panel to 4.
- Re-order some toggles from low to high ('off' then 'on').
- Show font size as number instead of a list of "Aa".
- PDF: add more font size values, and increase usable
contrast values.
- Add help_text to most PDF toggle titles.
- CRE line spacing: increase fine tuning min and max.
Also avoid zoom advice messages on book load.
Simplify (and avoid edge cases) in other code by having
ReadHistory manage the "lastfile" setting on add, remove,
rename...
Fixed a few other cases of things not updated.
Bump crengine:
- Text: fix occasional BiDi bad word splitting
- Font: fix HB fallback measurement/drawing mismatches
- Font: do not add letter spacing on diacritics
- Text: tunable use of letter spacing for justification
- Text: dont adjust space after initial quotation mark/dash (rework)
- Text: fix possible bad widths after collapsed spaces
xtext.cpp: pick crengine fix with HB fallback
measurement/drawing mismatches
Adds "Word Expansion" to bottom Font size menu, and moved
"Word Spacing" there too, to balance the panels' heights
to 4 items.
Also add "Dictionary" and "Fulltext search" to available
and cycleable highlight actions.
Generalize long-press (3s) at end of selection to show
the highlight dialog popup.
Includes:
- Simplify libunibreak includes
- Text: fix read/write outside array bounds
- lvtextfm: dont adjust space after initial quotation mark/dash (rework)
- Fonts: allow providing and using multiple fallback fonts
Users can set their prefered fallback font, which will be completed
with a few of our shipped fonts for maximum coverage.
Replace Hyphenation menu with Typography menu.
This works mostly like before:
- typography/hyphenation is chosen according to the book
metadata language,
- one can set a default or a fallback language,
- hyphenation is now just a subset of typography, and
can be disabled while still setting a language and
enabling the other features,
- the typography language enables newly added features
to crengine: per-language line breaking rules and
per-language Harfbuzz glyph selection.
Includes:
- Fix a few clang-tidy warnings
- Add support for <img src="data:image/png;base64,...>
- XML parsing: add more HTML5 named entities, optimize search
- Text: fix standalone BR not making an empty line
- Fix BR with "display: block" not making an empty line
- Fix hyphens from soft-hyphens not part of highlighted segments
- Use libunibreak for line breaking
- Adds TextLangMan for text typography by language
Tweak ReaderHyphenation to work with the new TextLangMan
(even if it will be replaced soon by ReaderTypography).
bump crengine: support for EPUB3 nav toc and page maps
Includes:
- Fix lvRect:isRectInside(rc) with 0-width or 0-height rect
- TOC: parse EPUB3 nav toc, fallback to spine when no toc
- Parse and cache various hardcopy page list maps
- epub.css: hide EPUB3 <span epub:type="pagebreak"> content
cre.cpp: add a few PageMap helper functions.
Adds ReaderPageMap which will add a new menu (under TOC and
Bookmarks) that will allow:
- to list source page numbers (like a TOC)
- to show visible page labels in the right margin
- to use these source page numbers in the footer, the TOC,
the GoTo and SkimTo widgets, and to use the source page
number in the standard bookmark and highlight initial text.
Set these 2 tweaks as default global tweaks for new users
(and existing users that have not set any global defaults).
One can disable them by long-press on each of them.
Only per-specs EPUB and FB2 footnotes (other in-page footnotes
tweaks may trigger on non-footnote content on some books, so
let enabling them be a user decision).
Our code expects (rightfully) the TOC items to be ordered
and to have increasing page numbers, but we may occasionally
not get that from the engines (usually, because of bugs or
duplicated IDs in the document).
Check for that and fix page numbers (possibly making them
wrong) to have a working TOC.
