diff options
| -rw-r--r-- | src/keyboard.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/keyboard.h b/src/keyboard.h index e3bb4e5652b..06deab0c365 100644 --- a/src/keyboard.h +++ b/src/keyboard.h @@ -37,15 +37,16 @@ extern Lisp_Object Vfunction_key_map; #define EVENT_HAS_PARAMETERS(event) \ (XTYPE (event) == Lisp_Cons) -/* Return the head of an event. This works on composite and simple events. */ +/* Extract the head from an event. + This works on composite and simple events. */ #define EVENT_HEAD(event) \ (EVENT_HAS_PARAMETERS (event) ? XCONS (event)->car : (event)) -/* Return the starting and ending locations of a composite event. */ +/* Extract the starting and ending positions from a composite event. */ #define EVENT_START(event) (XCONS (XCONS (event)->cdr)->car) #define EVENT_END(event) (XCONS (XCONS (XCONS (event)->cdr)->cdr)->car) -/* Return the fields of a position. */ +/* Extract the fields of a position. */ #define POSN_WINDOW(posn) (XCONS (posn)->car) #define POSN_BUFFER_POSN(posn) (XCONS (XCONS (posn)->cdr)->car) #define POSN_SCROLLBAR_BUTTON POSN_BUFFER_POSN |