[MSCTFIME] Finish msctfime.cpp (#6523)

Supporting TIPs...
JIRA issue: CORE-19360
- Add some CicBridge methods (stub).
- Implement ImeProcessKey,
ImeToAsciiEx, ImeSetCompositionString,
CtfIm

[MSCTFIME] Finish msctfime.cpp (#6523)

Supporting TIPs...
JIRA issue: CORE-19360
- Add some CicBridge methods (stub).
- Implement ImeProcessKey,
ImeToAsciiEx, ImeSetCompositionString,
CtfImeEscapeEx, and CtfImeIsIME
functions.

show more ...

[MSCTFIME] Restructuring (#6505)

Improve code flexibility. 3700+
lines of msctfime.cpp was too long.
JIRA issue: CORE-19360
- Split msctfime.cpp code to some
source files and header files.