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Add insert/delete and document keys, and documentation.

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This commit is contained in:
Michael Brown 2006-12-20 22:11:28 +00:00
parent 791c7d3bf4
commit 2ae27f44d9
1 changed files with 19 additions and 15 deletions
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34
src/include/gpxe/keys.h
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@ -42,37 +42,41 @@
#define BACKSPACE CTRL_H
#define TAB CTRL_I
#define ENTER CTRL_M
#define LF CTRL_J
#define CR CTRL_M
#define ESC 0x1b
/*
* Special keys outside the normal ASCII range
*
*
* These values are chosen to facilitate easy conversion from a
* received ANSI escape sequence to a KEY_XXX constant. The KEY_XXX
* constant is simply 0x100 plus the first byte following CSI in the
* ANSI escape sequence. For example, KEY_LEFT is 0x144, since a left
* cursor key is transmitted as the ANSI sequence "^[[D".
* The names are chosen to match those used by curses. The values are
* chosen to facilitate easy conversion from a received ANSI escape
* sequence to a KEY_XXX constant. The KEY_XXX constant is simply
* 0x100 plus the first byte following CSI in the ANSI escape
* sequence. For example, KEY_LEFT is 0x144, since a left cursor key
* is transmitted as the ANSI sequence "^[[D".
*/
#define KEY_ANSI( character ) ( 0x100 + (character) )
#define KEY_MIN 0x101
#define KEY_UP KEY_ANSI ( 'A' )
#define KEY_DOWN KEY_ANSI ( 'B' )
#define KEY_RIGHT KEY_ANSI ( 'C' )
#define KEY_LEFT KEY_ANSI ( 'D' )
#define KEY_END KEY_ANSI ( 'E' )
#define KEY_HOME KEY_ANSI ( 'H' )
#define KEY_PPAGE KEY_ANSI ( '5' )
#define KEY_NPAGE KEY_ANSI ( '6' )
#define KEY_UP KEY_ANSI ( 'A' ) /**< Up arrow */
#define KEY_DOWN KEY_ANSI ( 'B' ) /**< Down arrow */
#define KEY_RIGHT KEY_ANSI ( 'C' ) /**< Right arrow */
#define KEY_LEFT KEY_ANSI ( 'D' ) /**< Left arrow */
#define KEY_END KEY_ANSI ( 'E' ) /**< End */
#define KEY_HOME KEY_ANSI ( 'H' ) /**< Home */
#define KEY_IC KEY_ANSI ( '2' ) /**< Insert */
#define KEY_DC KEY_ANSI ( '3' ) /**< Delete */
#define KEY_PPAGE KEY_ANSI ( '5' ) /**< Page up */
#define KEY_NPAGE KEY_ANSI ( '6' ) /**< Page down */
#define KEY_MAX 0x1ff
/* Not in the [KEY_MIN,KEY_MAX] range; terminals seem to send these as
* normal ASCII values.
*/
#define KEY_BACKSPACE BACKSPACE
#define KEY_ENTER ENTER
#define KEY_ENTER LF
#endif /* _GPXE_KEYS_H */