v0.6.0-rc.1

What's New in libchewing 0.6.0-rc.1 (UNRELEASED)

This release contains many improvements and bug fixes. It's the first
release since 2016. We have started a major rewrite in Rust so we expect
to have more frequent releases in the following months.

• Added

  • New API chewing_phone_to_bopomofo to convert syllable in u16 to bopomofo
    string [ShengYenPeng]. #166
  • New API chewing_set_autoLearn and chewing_get_autoLearn can be used to
    disable and enable new phrase auto learning. [Hiunn-hué] #261
  • Add default config test for autoLearn option [Billy Su].
  • Add Android platform support [hiroshiyui]. #408
  • New chewing Rust crate can be downloaded from
    crates.io [Kan-ru Chen]. #423
  • Add several CMake presets for supported configurations [Kan-ru Chen]. #424

• Changed

  • Implement has_userphrase in testhelper with the public
    chewing_userphrase_lookup API. [ShengYenPeng]. #223
  • Updated HSU layout's JVC conversion to be more intuitive [Hiunn-hué]. #259
  • Phrase auto learning now only triggers after committing [Hiunn-hué]. #260
  • chewing_handle_CtrlNum now handles cursor better and has clearer error
    message if there is nothing to be added to user phrase. [Hiunn-hué] #277
  • chewing_handle_ShiftLeft and chewing_handle_ShiftRight now also displays
    aux message for new user phrases added. [Hiunn-hué] #278
  • Symbol used for full-width colon changed from ︰ (U+FE30) to ： (U+FF1A)
    [school510587] #304
  • Support cross compiling with qemu. [sgn] #333
  • CMake minimum version changed to 3.21.0
  • Rewrite chewing internal in Rust [Kan-ru Chen] #347 #378

• Dictionary

  • Add new syllable ㄒㄩㄢ for 亘 [yan12125] #252 #253

• Bug fixed

  • Fix ChoiceEndChoice expression always true [Billy Su].
  • Fix strncpy warning in hash.c [Bo-Cheng Jhan].
  • Fix unable to input some Bopomofos with ET26 layout [Hiunn-hué]. #235
  • Fix double free in userphrase-hash's TerminateUserphrase [cwlin]. #254
  • Fix hash item offsett calculation in uhash [cwlin]. #255
  • Fix ChoiceEndChoice expression always true [Billy Su]. #258
  • Fix clearing bopomofo buffer after switching Chi-Eng mode [Hiunn-hué]. #268
  • Fix chewing_handle_Space cannot input space with empty buffer [Hiunn-hué]. #274
  • Fix a strncpy warning and use ARRAY_SIZE [school510587] #296
  • Enhance chewing.py to support platforms with 64-bit pointer [cheese] #310
  • Fix init_database to correctly read phrase frequency for sorting [yan12125] #334 #337
  • Fix installation of data files [yan12125] #350
  • Fix building shared library on all supported platforms [Kan-ru Chen] #375 #376
  • Fix dvorak-qwerty symbol mapping [hiroshiyui] #407
  • prevent memory leak in error case of GetDefaultUserPhrasePath [Kuang-che Wu].
  • Fix PinYinData keySeq buffer overflow in PinYinInput() [Kuang-che Wu]. #238
  • Fix trying to allocate buffer of negative size [Kuang-che Wu].
  • Fix access violation due to negative cursor position [Kuang-che Wu].
  • Fix several buffer overflow. [ChangZhuo Chen]. #241 #242

• Platform-specific

  • Install instructions for Mac OS [Chocobo1].

New Contributors

• @cwlin made their first contribution in #254
• @Billy4195 made their first contribution in #258
• @splasky made their first contribution in #280
• @school510587 made their first contribution in #296
• @cheese made their first contribution in #310
• @sgn made their first contribution in #333
• @ianchen-tw made their first contribution in #396
• @hiroshiyui made their first contribution in #408

Full Changelog: v0.5.1...v0.6.0-rc.1

v0.5.1

What's New in libchewing 0.5.1 (May 18, 2016)

• Bug fixed:
  • Fix wrong CHEWING_DATADIR definition in CMake build #222.
  • Fix j, k selection when symbol in between #149 #221.

v0.5.0

What's New in libchewing 0.5.0 (May 2, 2016)

• New feature
  • Add Carpalx keyboard layout support #217.
• Dictionary
  • Update dictionary #151 #155 #188 #191 #201.
  • Add debug tool: dump_database.
  • Sort tsi.src #212.
• Misc
  • Tweak several comments.
  • Fix libchewing document.
  • Remove old/dead code.
  • Improve code readability and consistency.
  • Update automake syntax #114.
  • Add test cases #169 #177.
  • Update Python sample code.
  • Add debug tool dump_database.
  • Integrate coverity scan in https://scan.coverity.com/.
• Platform-specific
  • Update README for OS X.
  • Set WITH_INTERNAL_SQLITE3 to true by default in MS-Windows.
  • Fix Visual Studio compiling warnings/errors #168 #171 #189 #190 #213.
  • Add a cmake option BUILD_DLL to enable building *.dll with MS VC++ #185.
  • Make the python binding of libchewing support Windows dll files #186.
  • Don't use SIGSTOP in MS-Windows.
• Bug fixed
  • Check if ld supports --no-defined #144.
  • Fix unexpected candidate disorder for '1' #153
  • Replace bash-izm '==' operator with '=' for test(1) # 158.
  • Fix several Coverity errors #172 #173.
  • Fix ChewingKillChar which is disabling OpenSymbolChoice #160 #181.
  • ㄅ cannot overwrite ㄆ in HSU and ET26 #170 #183.
• Successful stories:
  • Rime Input Method Engine (RIME) takes partial dictionary from
    libchewing.
  • PIME (writing input methods for Windows easily with Python) supports
    Chewing IM by default.

v0.4.0

What's New in libchewing 0.4.0 (Apr 11, 2014)

• Add the following APIs:
  • Userphrase manipulation
    • chewing_userphrase_enumerate
    • chewing_userphrase_has_next
    • chewing_userphrase_get
    • chewing_userphrase_add
    • chewing_userphrase_remove
    • chewing_userphrase_lookup
  • Keyboardless action
    • chewing_cand_open
    • chewing_cand_close
    • chewing_cand_string_by_index_static
    • chewing_cand_choose_by_index
    • chewing_cand_list_first
    • chewing_cand_list_last
    • chewing_cand_list_has_next
    • chewing_cand_list_has_prev
    • chewing_cand_list_next
    • chewing_cand_list_prev
    • chewing_commit_preedit_buf
    • chewing_clean_preedit_buf
    • chewing_clean_bopomofo_buf
  • Bopomofo buffer
    • chewing_bopomofo_Check
    • chewing_bopomofo_String_static
  • Static API
    • chewing_aux_String_static
    • chewing_buffer_String_static
    • chewing_cand_String_static
    • chewing_commit_String_static
    • chewing_kbtype_String_static
  • Misc
    • chewing_new2
• Dictionary format:
  • Remove text data support
  • Introduce platform independent binary data representation
  • Move binary data to share/libchewing/*
• Userphrase format:
  • Support SQLite-based user phrase storage and manipulation
• New coding style:
  • Use scripts/indent.sh to change coding style
• Bug fixed:
  • Fix chewing_zuin_Check wrong return value #62
  • Fix numlock key cannot output number #45
  • Fix negative frequency problem #75
  • Fix cannot select candidate when symbol exists #79
  • Avoid clearing the buffer when Up arrow key is pressed and escCleanAllBuf is 1.
  • Fix cannot handle numlock 9 correctly #88
  • Fix invalid characters are committed when pre-edit buffer is full
  • Fix AutoLearnPhrase cannot fill correct wordSeq #108
  • Fix wrong auto learn when symbol in between #112
  • Fix missing rpl_malloc for cross compilation #118
  • Fix '\n' appear in symbol table #126
  • Reopen candidate list for symbols with down key #127 #135
  • Let up key close candidate list of symbols #131 #138
• Misc:
  • Add `make check' in cmake build
  • Change MAX_UTF8_SIZE to 4
  • Update official website URL
  • Use CreateFileA() instead of CreateFile() to stick with the ANSI API
  • Do not check phrase longer than MAX_PHRASE_LEN
  • Implement dynamic programming phrasing algorithm #73
  • Clean bopomofo buffer when mode change to English mode #89 #97
  • Update README to GFM.
  • Replace 'INCLUDE' with 'AM_CPPFLAGS' #68 #114 #116
  • Use [Shift]+[-] to input EM DASH (u+2014) as default #113 #124
  • Use Backspace to close candidate window #128
  • Use PgUp/PgDn to turn pages of candidates #129
  • Update Windows default search path #78
  • The word "zuin", "Zhuyin" are obsolete terms for "Bopomofo"
  • Add const whenever possible in several APIs
  • Toggle shape mode with shift-space #141 #142
• Successful stories:
  • chewing-windows-tsf project provides Text Services Framework
    support for Microsoft Windows.

What's New in libchewing 0.3.5 (Jul 28, 2013)

• Improve CMake rules
  • Visual Studio build included
• Dictionary improvements
  • Remove duplicated phrases, fix Bopomofo representation
  • tool tweaks
• travis-ci support (https://travis-ci.org/chewing/libchewing)
• drone.io support (https://drone.io/github.com/chewing/libchewing)
• coveralls.io support (https://coveralls.io/r/chewing/libchewing)
• editorconfig support (http://editorconfig.org/)
• Add new chewing_set_logger API
• Prevent unaligned memory access
• Reduce maxChiSymbolLen to 39 to avoid overflow
• Do not store user phrase when its length is 1
• Check chiSymbolBufLen in chewing_handle_Numlock()
• Set isSymbol to 0 in SetChoiceInfo
• Fix 'j', 'k' in select mode cannot handle symbol selecting
• Do not call GetCharNext() when GetCharFirst() fails
• Successful stories:
  . FreeArray utilizes libchewing for selecting phrases of Array
  input method

What's New in libchewing 0.3.4 (Dec 31, 2012)

• Improve the description of libchewing API
  • Simplified examples to illustrate the usage are added
• Revise libchewing API. Check the documentation for details
• Support THL (Taiwan Huayu Luomapinyin) and MPS2 Pinyin keyboard layout
• Reimplementation of unit test framework. No external 'check' package
  is required
• Fix several phrase errors
  • Add exceptional phrase as well
• Improved developer and user guide
• Introduce CMake based build system, which is convenient to MS-Windows
  based environments.
• Add --enable-gcov to enable gcov coverage
• Fix possible strncat() overflow
• Consistent checks for bopomofo sequence internally
• Handle incomplete bopomofo with space key properly
• Internal structure refactoring
• Read hash path from CHEWING_PATH environment variable
• Make libchewing thread-safe
• Fix IM crash by changing default candidate per page to 10
• Fix the detection of ncursesw
• Fix the usage of autotools
• Update and tune symbols
• Fix valgrind warning
• Fix several compilation warnings
• Fix GCC visibility availability for Darwin specific PIC code
• Fix hash table initialization and its memory leakage
• Support building with mingw32 toolchain
• Fix GNU Hurd build
• Fix Microsoft VC build
• Fix Windows 64-bit build
• Fix mingw32/64 + WINE build
• Successful stories:
  . GCIN supports experimental Chewing IM since version 1.6.4
  . HIME supports Chewing IM
  . UCIMF supports Chewing IM
  . Fcitx supports Chewing IM
  . mozc (IM framework maintained by Google) provides Chewing support
  . JMCCE (reworked version) supports libchewing

What's New in libchewing 0.3.3 (Feb 27, 2011)

• Fix memory access violation.
• Improved Python binding.
• Merged with libchewing-data project. (r455)
• Improved random key stroke tester.
• Fix the handling of phonetic symbols in Hsu's keyboard.
• Fix unexpected candidate disorder when doing symbol choice.
• Revised phrase choice from rearward logic.
• Fix cross compilation.
• Improved shell script to merge changes form libchewing-data.
• Successful stories:
  . Google ChromeOS provides built-in Chewing IM support
  . MeeGo platform provides built-in Chewing IM support

What's New in libchewing 0.3.2 (Dec 1, 2008)

• Add gcc visibility support to hide private APIs.
• APIs and Headers refactoring.
• Doxygen-friendly API documentation.
• New binary data manipulation approach to dramatically reduce storage
  usage and loading time via memory mapping. (enabled by default)
• New word segmentation method based on mmseg.
• Improved auto-learn new phrases method.
• Improved test suite and added simple benchmark program.
• Option to indicate the behavior for phrase choice to be rearward
  or not.
• New APIs to enumerate supported keyboard types.
• Repair improper memory access.
• API united in Win32 and UNIX world.
• Initial Python binding support.
• Merged with libchewing-data project. (r342)
• Canonical debugging messages.
• Successful stories:
  . OpenBSD porting
  . ibus-chewing : chewing engine for ibus input method framework.
  . UIM-chewing leveraging libchewing 0.3.x development branch.

What's New in libchewing 0.3.1 (Oct 1, 2008)

• New keyboard layout DACHEN_CP26.
• Add key '`' to open symbol table.
• Erase candidate and reset its length when 'Esc' key is handled.
• Closes candidate window when user pressed 'Up' key.
• Doing select at the end of edit buffer works on the
  last phrase (interval).
• Improved reminding message text.
• Sync with libchewingdata project.
• A new HanYu-PinYin mapping table
• More robust behavior when IM crashes.
• Allow '#' comment and blank line in tsi.src.
• Fix chewing switch between Full/Half mode and cursor moves one space in
  gedit.
• Fix when list available phrases to choice, user's own phrases are
  not included.
• Release PgUp/PgDn key event to running applications.
• Fix portability issues on FreeBSD.
• Fix incorrect initialization.
• Fix pinyin key order, put "shun" before "shuo".
• Fix various potenital boffer overflow bugs.
• Fix various memory leaks.
• chewing_set_PinYinMethod to support multiple PinYin methods.
• chewing_handle_CtrlOption was removed.
• New structure SymbolEntry.
• Rename selectAreaLen to candPerPage.
• Added bEasySymbolInput.

What's New in libchewing 0.3.0 (May 15, 2006)

• This is a new development branch differing a lot from
  0.2.x series, and breaks API/ABI for new features.
• UTF-8 based language engine core for common Unicode
  environment.
• Porting layer for POSIX/Unix-like and Win32 to reduce the
  redundant porting process.
• New API design for better consistency.
• Merge the efforts from libchewing-data subproject, which
  means various phrases have been reviewed and corrected.
• Zuin fixes and symbol improvements.
• Support key 'j' / 'k' for paging in selection mode.
• Fix some internal memory management bugs and leaks.
• Improved internal test suite.
• New binary-form of user hash data to speed up loading and
  solve hash data corruption.
• Better calculating of internal tree and phone constants.
• Revised tsi.src for richer phrases and avoiding crashes.
• Merge phone and phrase from CNS11643.
• Reduce the amount for the expose for internal symbols.
• Improved Han-Yu PinYin to use table-lookup implementation.
• Experimental frequency-evaluation. (re-compute chewing
  lifetime)
• Implement the choice mechanism for pair symbols.
• Improved Tab handling to allow the switching over different
  frequency orders of candidated phrases.
• New auxiliary module for simpler API uses.
• Experimental memory-mapping based binary data handling to
  speed up data loading.
• Successful stories:
  . Sun Solaris 10 U2 and 11 will provide built-in Chewing
  IM support.
  . OXIM input method suite from OpenDesktop/OSSI provides
  Chewing support as its default input method.
  . New Win32-Chewing subproject to provide efficient input
  method solution on Microsoft Windows platforms.