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<html>
<head>
<title>EAGLE Help: Keyboard and Mouse</title>
</head>
<body bgcolor=white>
<font face=Helvetica,Arial>
<hr>
<i>EAGLE Help</i>
<h1><center>Keyboard and Mouse</center></h1>
<hr>
The <i>modifier keys</i> (<tt>Alt</tt>, <tt>Ctrl</tt> and <tt>Shift</tt>) are used
to modify the behaviour of certain mouse actions.
Note that depending on which operating system or window manager you use, some of these
keys (in combination with mouse events) may not be delivered to applications, which means
that some of the functions described here may not be available.
<p>
<b>Alt</b>
<p>
Pressing the <tt>Alt</tt> key switches to an alternate <a href=48.htm>GRID</a>.
This can typically be a finer grid than the normal one, which allows you to quickly
do some fine positioning in a dense area, for instance, where the normal grid might
be too coarse.
The alternate grid remains active as long as the <tt>Alt</tt> key is held pressed down.
<p>
<b>Ctrl</b>
<p>
Pressing the <tt>Ctrl</tt> key while clicking on the right mouse button toggles
between corresponding wire bend styles (only applies to commands that support wire
bend styles, like, for instance, <a href=100.htm>WIRE</a>).
<p>
The <tt>Ctrl</tt> key together with the left mouse button controls special functionality
of individual commands, like, for instance, selecting an object at its origin with the
<a href=61.htm>MOVE</a> command.
<p>
<b>Shift</b>
<p>
Pressing the <tt>Shift</tt> key while clicking on the right mouse button reverses
the direction in which the wire bend styles are switched through (only applies to
commands that support wire bend styles, like, for instance, <a href=100.htm>WIRE</a>).
<p>
The <tt>Shift</tt> key together with the left mouse button controls special functionality
of individual commands, like, for instance, deleting a higher level object with the
<a href=39.htm>DELETE</a> command.
<p>
<b>Esc</b>
<p>
Pressing the <tt>Esc</tt> key when a command is active will cancel the current
activity of that command without canceling the entire command (if there is text
in the command line, that text will be deleted first, and the next press of the
<tt>Esc</tt> key will act on the command).
For the <a href=61.htm>MOVE</a> command, for example, this means
that an object that is currently attached to the cursor
will be dropped and an other object can be selected.
<p>
<b>Crsr-Up/Down</b>
<p>
The keys <tt>Crsr-Up</tt> (cursor up) and <tt>Crsr-Down</tt> (cursor down) can be used in the
command line of an editor window to scroll through the command history.
<p>
<b>Function Keys</b>
<p>
Function keys can be assigned any commands by using the <a href=28.htm>ASSIGN</a> command.
<p>
<b>Left Mouse Button</b>
<p>
The left mouse button is generally used to select, draw or place objects.
<p>
<b>Center Mouse Button</b>
<p>
The center mouse button changes the current layer or mirrors the object currently
attached to the mouse cursor.
<p>
The following commands support the center mouse button:
<table>
<tr><td valign=top><font face=Helvetica,Arial><a href=26.htm>ADD</a>  </font></td><td valign=top><font face=Helvetica,Arial>mirror part</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=27.htm>ARC</a>            </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=33.htm>CIRCLE</a>      </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=37.htm>COPY</a>          </font></td><td valign=top><font face=Helvetica,Arial>mirror object</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=53.htm>INVOKE</a>      </font></td><td valign=top><font face=Helvetica,Arial>mirror gate</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=55.htm>LABEL</a>        </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=61.htm>MOVE</a>          </font></td><td valign=top><font face=Helvetica,Arial>mirror object or group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=68.htm>PASTE</a>        </font></td><td valign=top><font face=Helvetica,Arial>mirror group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=71.htm>POLYGON</a>    </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=76.htm>RECT</a>          </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=83.htm>ROUTE</a>        </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=90.htm>SMD</a>            </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=93.htm>TEXT</a>          </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=100.htm>WIRE</a>          </font></td><td valign=top><font face=Helvetica,Arial>change active layer</font></td></tr>
</table>
<p>
Click&amp;Drag with the center mouse button will pan the drawing within the editor
window. If you want to exceed the range defined by the scrollbars, you can do so
by holding down the Shift key while panning.
<p>
<b>Right Mouse Button</b>
<p>
The right mouse button is mostly used to select a group, rotate objects attached to
the mouse cursor, change wire bend styles and several other command specific functions.
<p>
The following commands support the right mouse button:
<table>
<tr><td valign=top><font face=Helvetica,Arial><a href=26.htm>ADD</a>  </font></td><td valign=top><font face=Helvetica,Arial>rotate part</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=27.htm>ARC</a>            </font></td><td valign=top><font face=Helvetica,Arial>change direction of arc</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=31.htm>BUS</a>            </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=32.htm>CHANGE</a>      </font></td><td valign=top><font face=Helvetica,Arial>apply change to group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=39.htm>DELETE</a>      </font></td><td valign=top><font face=Helvetica,Arial>delete group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=49.htm>GROUP</a>        </font></td><td valign=top><font face=Helvetica,Arial>close polygon</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=53.htm>INVOKE</a>      </font></td><td valign=top><font face=Helvetica,Arial>rotate gate</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=55.htm>LABEL</a>        </font></td><td valign=top><font face=Helvetica,Arial>rotate label</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=59.htm>MIRROR</a>      </font></td><td valign=top><font face=Helvetica,Arial>mirror group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=61.htm>MOVE</a>          </font></td><td valign=top><font face=Helvetica,Arial>rotate object, select group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=63.htm>NET</a>            </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=67.htm>PAD</a>            </font></td><td valign=top><font face=Helvetica,Arial>rotate pad</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=68.htm>PASTE</a>        </font></td><td valign=top><font face=Helvetica,Arial>rotate group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=69.htm>PIN</a>            </font></td><td valign=top><font face=Helvetica,Arial>rotate pin</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=71.htm>POLYGON</a>    </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=81.htm>RIPUP</a>        </font></td><td valign=top><font face=Helvetica,Arial>ripup group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=82.htm>ROTATE</a>      </font></td><td valign=top><font face=Helvetica,Arial>rotate group</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=83.htm>ROUTE</a>        </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=90.htm>SMD</a>            </font></td><td valign=top><font face=Helvetica,Arial>rotate smd</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=91.htm>SPLIT</a>        </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=93.htm>TEXT</a>          </font></td><td valign=top><font face=Helvetica,Arial>rotate text</font></td></tr>
<tr><td valign=top><font face=Helvetica,Arial><a href=100.htm>WIRE</a>          </font></td><td valign=top><font face=Helvetica,Arial>change wire bend</font></td></tr>
</table>
<p>
<b>Mouse Wheel</b>
<p>
Inside an editor window the mouse wheel can be used to zoom in and out.

<hr>
<table width=100% cellspacing=0 border=0><tr><td align=left><font face=Helvetica,Arial>
<a href=index.htm>Index</a>
</font></td><td align=right><font face=Helvetica,Arial size=-1>
<i>Copyright &copy; 2005 CadSoft Computer GmbH</i>
</font></td></tr></table>
<hr>
</font>
</body>
</html>