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发信人: xian (我想用心来点亮希望), 信区: Linux
标题: Linux程式设计入门 - termios/keymap/terminal progr
发信站: 紫丁香 (Sun May 2 16:31:26 1999), 转信

网络工作室--知识库:编程技术:Unix编程:Linux程式设计入门:
Linux程式设计入门-termios/keymap/terminalprogramming
Linux程式设计入门-termios/keymap/terminalprogramming

termios

inttcgetattr(intfd,structtermios*termios_p);

inttcsetattr(intfd,intoptional_actions,conststructtermios

*termios_p);

keymap

我写了一个小程式来专门处理Linux上的keymap，keymap.h及keymap.c。

在LinuxTerminal上，如果您想要设定某些按键返回特定值，您会需要用到以

下这些技巧。

设定keymap

#include<linux/kd.h>

#include<linux/keyboard.h>

voidsetkeymap(void)

{

structkbentryKEYMAP;

KEYMAP.kb_table=STATE;

KEYMAP.kb_index=SCANCODE;

KEYMAP.kb_value=VALUE;

ioctl(console,KDSKBENT,&KEYMAP);

}

STATE为状态键组合

/usr/include/linux/keyboard.h中

#defineKG_SHIFT0

#defineKG_CTRL2

#defineKG_ALT3

#defineKG_ALTGR1

#defineKG_SHIFTL4

#defineKG_SHIFTR5

#defineKG_CTRLL6

#defineKG_CTRLR7

#defineKG_CAPSSHIFT8

使用方式如:

#defineKST_CTRL(1<<KG_CTRL)

#defineKST_ALT(1<<KG_ALT)

#defineKST_SHIFT(1<<KG_SHIFT)

#defineKST_CTRL_ALT(KST_CTRL|KST_ALT)

#defineKST_ALT_SHIFT(KST_ALT|KST_SHIFT)

SCANCODE为键盘扫描码

#defineSCAN_ESC0x01

#defineSCAN_10x02

#defineSCAN_20x03

#defineSCAN_30x04

#defineSCAN_40x05

#defineSCAN_50x06

#defineSCAN_60x07

#defineSCAN_70x08

#defineSCAN_80x09

#defineSCAN_90x0A

#defineSCAN_00x0B

#defineSCAN_MINUS0x0C

#defineSCAN_PLUS0x0D

#defineSCAN_BACK0x0E

#defineSCAN_TAB0x0F

#defineSCAN_Q0x10

#defineSCAN_W0x11

#defineSCAN_E0x12

#defineSCAN_R0x13

#defineSCAN_T0x14

#defineSCAN_Y0x15

#defineSCAN_U0x16

#defineSCAN_I0x17

#defineSCAN_O0x18

#defineSCAN_P0x19

#defineSCAN_LTQUOTE0x1A

#defineSCAN_RTQUOTE0x1B

#defineSCAN_ENTER0x1C

#defineSCAN_CTRL0x1D

#defineSCAN_A0x1E

#defineSCAN_S0x1F

#defineSCAN_D0x20

#defineSCAN_F0x21

#defineSCAN_G0x22

#defineSCAN_H0x23

#defineSCAN_J0x24

#defineSCAN_K0x25

#defineSCAN_L0x26

#defineSCAN_SPLIT0x27

#defineSCAN_QUOTE0x28

#defineSCAN_MARK0x29

#defineSCAN_LSHIFT0x2A

#defineSCAN_STAND0x2B

#defineSCAN_Z0x2C

#defineSCAN_X0x2D

#defineSCAN_C0x2E

#defineSCAN_V0x2F

#defineSCAN_B0x30

#defineSCAN_N0x31

#defineSCAN_M0x32

#defineSCAN_LSQUOTE0x33

#defineSCAN_RSQUOTE0x34

#defineSCAN_QUESTION0x35

#defineSCAN_RSHIFT0x36

#defineSCAN_PRTSCR0x37

#defineSCAN_ALT0x38

#defineSCAN_SPACE0x39

#defineSCAN_CAPSLOCK0x3A

#defineSCAN_F10x3B

#defineSCAN_F20x3C

#defineSCAN_F30x3D

#defineSCAN_F40x3E

#defineSCAN_F50x3F

#defineSCAN_F60x40

#defineSCAN_F70x41

#defineSCAN_F80x42

#defineSCAN_F90x43

#defineSCAN_F100x44

#defineSCAN_NUMLOCK0x45

#defineSCAN_HOME0x47

#defineSCAN_UP0x48

#defineSCAN_PGUP0x49

#defineSCAN_LEFT0x4B

#defineSCAN_RIGHT0x4D

#defineSCAN_END0x4F

#defineSCAN_DOWN0x50

#defineSCAN_PGDN0x51

#defineSCAN_INSERT0x52

#defineSCAN_DELETE0x53

#defineSCAN_F110x85

#defineSCAN_F120x86

/usr/include/linux/kd.h中

structkbentry{

unsignedcharkb_table;

unsignedcharkb_index;

unsignedshortkb_value;

};

#defineKDGKBENT0x4B46/*getsoneentryintranslation

table*/

#defineKDSKBENT0x4B47/*setsoneentryintranslation

table*/

而console为

console=open("/dev/console",O_RDWR);

读取按键

read(console,&c,sizeof(char));

terminalprogramming

term.h/term.c是我写来专门处理一些小型的互动界面程式。

Terminal指令集

设定颜色:\033[colorm

其中color可以是以下的值

0:ResetColorAttributes

1:boldon

2:boldoff

4:underlineon

5:blinkon

7:reverseon

21/22:boldnormal

24:underlineoff

25:blinkoff

27:reverseoff

30:前景，黑色

31:前景，红色

32:前景，绿色

33:前景，黄色

34:前景，篮色

35:前景，紫色

36:前景，青色

37:前景，白色

40:背景，黑色

41:背景，红色

42:背景，绿色

43:背景，黄色

44:背景，篮色

45:背景，紫色

46:背景，青色

47:背景，白色

清除萤幕:\033c

设定水平游标位置:\033[XG

X为水平游标位置。

设定垂直游标位置:\033[Xd

Y为垂直游标位置。

\033[YA

Current_Cursor_Y-=Y

\033[YB或\033[Ye

Current_Cursor_Y+=Y

\033[XC或\033[Xa

Current_Cursor_X+=X

\033[XD

Current_Cursor_X-=X

\033[YE

gotoxy(0,Current_Cursor_Y+Y)

\033[YF

gotoxy(0,Current_Cursor_Y-Y)

\033[Y;XH

gotoxy(X,Y);

\033[0K:删除从游标到该行结尾

\033[1K:删除从该行开始到游标处

\033[2K:删除整行

\033[0J:删除游标到萤幕结尾

\033[1J:删除从萤幕开始到游标处

\033[2J:删除整个萤幕

\033[N@:insertNchar

\033[P:deletechar

\033[M:deleteline

\033[L:insertline

\033[s:savecursorposition

\033[u:restorecursorposition

\033E:carry;linefeed

\033M:Current_Cursor_Y-1

\033D:linefeed

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admin@studio.openunix.org

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