1501 |
the window manager. Its standard definition is @code{ignore}; since the |
the window manager. Its standard definition is @code{ignore}; since the |
1502 |
frame has already been made visible, Emacs has no work to do. |
frame has already been made visible, Emacs has no work to do. |
1503 |
|
|
1504 |
@cindex @code{mouse-wheel} event |
@cindex @code{wheel-up} event |
1505 |
@item (mouse-wheel @var{position} @var{delta}) |
@cindex @code{wheel-down} event |
1506 |
This kind of event is generated by moving a wheel on a mouse (such as |
@item (wheel-up @var{position}) |
1507 |
the MS Intellimouse). Its effect is typically a kind of scroll or zoom. |
@item (wheel-down @var{position}) |
1508 |
|
This kind of event is generated by moving a wheel on a mouse. Its |
1509 |
The element @var{delta} describes the amount and direction of the wheel |
effect is typically a kind of scroll or zoom. |
|
rotation. Its absolute value is the number of increments by which the |
|
|
wheel was rotated. A negative @var{delta} indicates that the wheel was |
|
|
rotated backwards, towards the user, and a positive @var{delta} |
|
|
indicates that the wheel was rotated forward, away from the user. |
|
1510 |
|
|
1511 |
The element @var{position} is a list describing the position of the |
The element @var{position} is a list describing the position of the |
1512 |
event, in the same format as used in a mouse-click event. |
event, in the same format as used in a mouse-click event. |
1513 |
|
|
1514 |
This kind of event is generated only on some kinds of systems. |
This kind of event is generated only on some kinds of systems. On |
1515 |
|
other systems, mouse-4 and mouse-5 may be used instead. For portable |
1516 |
|
code, the variables @code{mouse-wheel-up-event} and |
1517 |
|
@code{mouse-wheel-down-event} defined in @file{mwheel.el} can be used. |
1518 |
|
|
1519 |
@cindex @code{drag-n-drop} event |
@cindex @code{drag-n-drop} event |
1520 |
@item (drag-n-drop @var{position} @var{files}) |
@item (drag-n-drop @var{position} @var{files}) |