Presentation Video is also available: https://www.youtube.com/watch?v=xgsXTXS3ahEThanks to Unicode, troubles derives from character code don't occur so frequently on KDE/Qt today.However, there are still some problems in character input and display. In addition, new devices such as tablet PCs and smartphones brought new demands, such as vertical-writing for digital books, and new ideas such as Flick Input Method for easier character input.
East Asian Languages in KDE and QtDaisuke Kameda ( @daicki)
Jumpei Ogawa ( @phanect) Japan KDE Users Group
Who are you?
Daisuke Kameda ( )
Leader of Japan KDE users' group Developer of immodule for Qt
Subleader of Japan KDE users' group Univ Student (Information
Education) Working at a Linux distro (Asianux) vendor
Jumpei Ogawa ( )
Todays Topics
I18N text
Character codes Input Method Display
e.g. Font, Right-to-Left Language Support
Character Code
Character Code Chinese Japanese Chinese Japanese
ISO-8859-1Franais French English
UnicodeFranais French English
After Qt version 2
Character CodeUnicode supported Ver. 2 But some apps use
ISO-8859-1 as default...
KHTML
KMail
Input Method
Input MethodXIM is supported in KDE and Qt version 2.
XIM(X Input Method) Version 2XIM and application were connected
directly
Input Method
Version 3
Version 4
XIM(X Input Method)
Immodule for Qt
immodule for Qtimmodule for Qt supports various input
method.
QInputContext
Version 4
Input Method in Qt5
Input Method in Qt5QPlatform InputContext QInputMethod
Version 4
Input Method API in Qt5
QPlatformContext
Supporting input method for each platform.
QInputMethod
Removing dependence to QWidget. Enable to control of input
method from application for supporting new features.
Such as Flick Input.
Flick Input
Flick Input
Flick Input
Flick Input Video
Source: http://www.iphoneorjp.com/benri/benri-hurikku-1/
Flick Input
C
BGHI
A ABC JKL
DEF MNO
PQRS TUV WXYZ
Support Apps
Android
Google Japanese Input (Google) Simeji (Baidu) Default Input
Method N9 Japanese Input (@kimitake, @kenya888, @task_jp)
iPhone
MeeGo
Display
:
Vertical Writing
Not implemented yet...
But...
Hyphenationja: " " == Forbidden Rule Processing13 Characters
The_name_is_ "Mozilla".
13 Characters The_name_is_" Mozilla".
With Hyphenation
Without Hyphenation
Hyphenation8 Characters Characters 8
With Hyphenation
Without Hyphenation
Harfbuzz
Qt uses Harfbuzz library
Harfbuzz-ng
Vertical Text support Vertical Writing patch do not use this now
ng == Next Generation
Control by yourself
QTextLayout
== "" ==.
End ? / Questions?
License
This slide is basically licensed under Creative Commons (CC)
Attribution Most images are not my work, so they are not licensed
under CC. The source is written in Note page of this odp file. I
don't claim any rights for those images even if I have.
