KBDKEYINFO: Difference between revisions

Latest revision as of 03:32, 24 January 2023

Character data structure.

Type

UCHAR   chChar
UCHAR   chScan
UCHAR   fbStatus
UCHAR   bNlsShift
USHORT  fsState
ULONG   time

C Declaration Method

typedef struct

Fields

chChar

ASCII Character code.

The scan code received from the keyboard is translated to the ASCII character code.

chScan

Code received for the keyboard.

Scan code received from the keyboard is translated to the ASCII character code.

fbStatus

State of the keystroke event flag.

Bits 7-6 Has the following values:

00 Undefined.

01 Final character; interim character flag is turned off.

10 Interim character.

11 Final character; interim character flag is turned on.

Bit 5 - If set to 1, immediate conversion requested.

Bits 4-2 - Reserved.

Bit 1 - Has the following values:

0 Scan code is a character

1 Scan code is not a character; instead it is an extended key code from the keyboard.

Bit 0 - If set to 1, shift status returned without a character.

bNlsShift

NLS shift status. Reserved, must be 0.

7

Kana-To-Kanji Conversion Mode (Japanese)

Hanja_25: Hangeul-to-Hanja Conversion Mode (Korean)

Reserved (T-Chinese)

6

Romaji Mode (Japanese)

Hanja_CSR: Hangeul-to-Hanja Conversion Mode (Korean)

Reserved (T-Chinese)

5

Reserved

4-3

00 Shift Indicator Row always visible

01 Shift Indicator Row always invisible

10 Shift Indicator Row visible only when a shift key is pressed. And it becomes invisible, depress another key.

11 Reserved

2-1

00 Alphanumeric Mode

01 Katakana Mode (Japanese)
Jamo Mode (Korean)
Phonetic Input Mode (T-Chinese)

10 Hiragana Mode (Japanese)
Hangeul Mode (Korean)
TsangJye Input Mode (T-Chinese)

11 Reserved

0

DBCS Mode

fsState: Shift key status flag.

Shift key status
Bit	Description
15	SysReq key down
14	CapsLock key down
13	NumLock key down
12	ScrollLock key down
11	Right Alt key down (SBCS)
10	Right Ctrl key down (SBCS)
9	Left Alt key down
8	Left Ctrl key down
7	Insert on
6	CapsLock on
5	NumLock on
4	ScrollLock on
3	Either Alt key down (DBCS)
2	Either Ctrl key down (DBCS)
1	Left Shift key down
0	Right Shift key down

time: Time stamp in milliseconds.; Time stamp indicating when a key was pressed. It is specified in milliseconds from the time the system was started.

@@ Line 1: / Line 1: @@
-== KBDKEYINFO ==
 Character data structure.
@@ Line 8: / Line 7: @@
   UCHAR   bNlsShift
   [[USHORT]]  fsState
-  USHORT  time
+  ULONG   time
 ==== C Declaration Method ====
@@ Line 31: / Line 30: @@
 ::Bit 0 - If set to 1, shift status returned without a character.
 ;bNlsShift:NLS shift status. Reserved, must be 0.
+::7
+:::Kana-To-Kanji Conversion Mode (Japanese)
+:::Hanja_25: Hangeul-to-Hanja Conversion Mode (Korean)
+:::Reserved (T-Chinese)
+::6
+:::Romaji Mode (Japanese)
+:::Hanja_CSR: Hangeul-to-Hanja Conversion Mode (Korean)
+:::Reserved (T-Chinese)
+::5
+:::Reserved
+::4-3
+:::00 Shift Indicator Row always visible
+:::01 Shift Indicator Row always invisible
+:::10 Shift Indicator Row visible only when a shift key is pressed. And it becomes invisible, depress another key.
+:::11 Reserved
+::2-1
+:::00 Alphanumeric Mode
+:::01 Katakana Mode (Japanese)<br/>Jamo Mode (Korean)<br/>Phonetic Input Mode (T-Chinese)
+:::10 Hiragana Mode (Japanese)<br/>Hangeul Mode (Korean)<br/>TsangJye Input Mode (T-Chinese)
+:::11 Reserved
+::0
+:::DBCS Mode
 ;fsState:Shift key status flag.
-:Values are:
+::{|class="wikitable"
-::Bit 15    SysReq key down
+|+Shift key status
-::Bit 14    Caps Lock key down
+!Bit||Description
-::Bit 13    NumLock key down
+|-
-::Bit 12    Scroll Lock key down
+|15||SysReq key down
-::Bit 11    Right Alt key down
+|-
-::Bit 10    Right Ctrl key down
+|14||CapsLock key down
-::Bit  9    Left Alt key down
+|-
-::Bit  8    Left Ctrl key down
+|13||NumLock key down
-::Bit  7    Insert on
+|-
-::Bit  6    Caps Lock on
+|12||ScrollLock key down
-::Bit  5    NumLock on.
+|-
-::Bit  4    Scroll Lock on
+|11||Right Alt key down (SBCS)
-::Bit  3    Either Alt key down
+|-
-::Bit  2    Either Ctrl key down
+|10||Right Ctrl key down (SBCS)
-::Bit  1    Left Shift key down
+|-
-::Bit  0    Right Shift key down
+|9||Left Alt key down
+|-
+|8||Left Ctrl key down
+|-
+|7||Insert on
+|-
+|6||CapsLock on
+|-
+|5||NumLock on
+|-
+|4||ScrollLock on
+|-
+|3||Either Alt key down (DBCS)
+|-
+|2||Either Ctrl key down (DBCS)
+|-
+|1||Left Shift key down
+|-
+|0||Right Shift key down
+|}
 ;time:Time stamp in milliseconds.
 :Time stamp indicating when a key was pressed. It is specified in milliseconds from the time the system was started.
 [[Category:Data type]]