Add insert/delete and document keys, and documentation.

diff --git a/src/include/gpxe/keys.h b/src/include/gpxe/keys.h
index 601aeaa..66f8d51 100644 (file)
--- a/src/include/gpxe/keys.h
+++ b/src/include/gpxe/keys.h
@@ -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 */