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Date:: Fri Jan 14 03:45:44 2005 UTC
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  1 78e51a8c 2005-01-14 devnull <head>
  2 78e51a8c 2005-01-14 devnull <title>mousescrollsize(3) - Plan 9 from User Space</title>
  3 78e51a8c 2005-01-14 devnull <meta content="text/html; charset=utf-8" http-equiv=Content-Type>
  4 78e51a8c 2005-01-14 devnull </head>
  5 78e51a8c 2005-01-14 devnull <body bgcolor=#ffffff>
  6 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0 width=100%>
  7 78e51a8c 2005-01-14 devnull <tr height=10><td>
  8 78e51a8c 2005-01-14 devnull <tr><td width=20><td>
  9 78e51a8c 2005-01-14 devnull <tr><td width=20><td><b>MOUSESCROLLSIZE(3)</b><td align=right><b>MOUSESCROLLSIZE(3)</b>
 10 78e51a8c 2005-01-14 devnull <tr><td width=20><td colspan=2>
 11 78e51a8c 2005-01-14 devnull     <br>
 12 78e51a8c 2005-01-14 devnull <p><font size=+1><b>NAME     </b></font><br>
 13 78e51a8c 2005-01-14 devnull 
 14 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 15 78e51a8c 2005-01-14 devnull 
 16 78e51a8c 2005-01-14 devnull     mousescrollsize &ndash; compute mouse scroll increment<br>
 17 78e51a8c 2005-01-14 devnull     
 18 78e51a8c 2005-01-14 devnull </table>
 19 78e51a8c 2005-01-14 devnull <p><font size=+1><b>SYNOPSIS     </b></font><br>
 20 78e51a8c 2005-01-14 devnull 
 21 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 22 78e51a8c 2005-01-14 devnull 
 23 78e51a8c 2005-01-14 devnull     <tt><font size=+1>#include &lt;draw.h&gt; 
 24 78e51a8c 2005-01-14 devnull     <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
 25 78e51a8c 2005-01-14 devnull     </font></tt>
 26 78e51a8c 2005-01-14 devnull     int &nbsp;&nbsp;&nbsp;&nbsp;mousescrollsize(int maxlines)<br>
 27 78e51a8c 2005-01-14 devnull     
 28 78e51a8c 2005-01-14 devnull </table>
 29 78e51a8c 2005-01-14 devnull <p><font size=+1><b>DESCRIPTION     </b></font><br>
 30 78e51a8c 2005-01-14 devnull 
 31 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 32 78e51a8c 2005-01-14 devnull 
 33 78e51a8c 2005-01-14 devnull     <i>Mousescrollsize</i> computes the number of lines of text that should
 34 78e51a8c 2005-01-14 devnull     be scrolled in response to a mouse scroll wheel click. <i>Maxlines</i>
 35 78e51a8c 2005-01-14 devnull     is the number of lines visible in the text window. 
 36 78e51a8c 2005-01-14 devnull     <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
 37 78e51a8c 2005-01-14 devnull     
 38 78e51a8c 2005-01-14 devnull     The default scroll increment is one line. This default can be
 39 78e51a8c 2005-01-14 devnull     overridden by setting the <tt><font size=+1>$mousescrollsize</font></tt> environment variable
 40 78e51a8c 2005-01-14 devnull     to an integer, which specifies a constant number of lines, or
 41 78e51a8c 2005-01-14 devnull     to a real number followed by a percent character, indicating that
 42 78e51a8c 2005-01-14 devnull     the scroll increment should be a percentage of the total
 43 78e51a8c 2005-01-14 devnull     number of lines in the window. For example, setting <tt><font size=+1>$mousescrollsize</font></tt>
 44 78e51a8c 2005-01-14 devnull     to <tt><font size=+1>50%</font></tt> causes a half-window scroll increment. 
 45 78e51a8c 2005-01-14 devnull     <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
 46 78e51a8c 2005-01-14 devnull     
 47 78e51a8c 2005-01-14 devnull     <i>Mousescrollsize</i> is used by <a href="../man1/9term.html"><i>9term</i>(1)</a> and <a href="../man1/acme.html"><i>acme</i>(1)</a> to set their scrolling
 48 78e51a8c 2005-01-14 devnull     behavior.<br>
 49 78e51a8c 2005-01-14 devnull     
 50 78e51a8c 2005-01-14 devnull </table>
 51 78e51a8c 2005-01-14 devnull <p><font size=+1><b>SOURCE     </b></font><br>
 52 78e51a8c 2005-01-14 devnull 
 53 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 54 78e51a8c 2005-01-14 devnull 
 55 78e51a8c 2005-01-14 devnull     <tt><font size=+1>/usr/local/plan9/src/libdraw/scroll.c<br>
 56 78e51a8c 2005-01-14 devnull     </font></tt>
 57 78e51a8c 2005-01-14 devnull </table>
 58 78e51a8c 2005-01-14 devnull <p><font size=+1><b>SEE ALSO    </b></font><br>
 59 78e51a8c 2005-01-14 devnull 
 60 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 61 78e51a8c 2005-01-14 devnull 
 62 78e51a8c 2005-01-14 devnull     <a href="../man1/9term.html"><i>9term</i>(1)</a>, <a href="../man1/acme.html"><i>acme</i>(1)</a><br>
 63 78e51a8c 2005-01-14 devnull     
 64 78e51a8c 2005-01-14 devnull </table>
 65 78e51a8c 2005-01-14 devnull <p><font size=+1><b>BUGS     </b></font><br>
 66 78e51a8c 2005-01-14 devnull 
 67 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 68 78e51a8c 2005-01-14 devnull 
 69 78e51a8c 2005-01-14 devnull     <i>Libdraw</i> expects up and down scroll wheel events to be expressed
 70 78e51a8c 2005-01-14 devnull     as clicks of mouse buttons 4 and 5, but the XFree86 default is
 71 78e51a8c 2005-01-14 devnull     to ignore the scroll wheel. To enable the scroll wheel, change
 72 78e51a8c 2005-01-14 devnull     your <tt><font size=+1>InputDevice</font></tt> section of <tt><font size=+1>XF86Config&#8722;4</font></tt> to look like:<br>
 73 78e51a8c 2005-01-14 devnull     
 74 78e51a8c 2005-01-14 devnull     <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 75 78e51a8c 2005-01-14 devnull 
 76 78e51a8c 2005-01-14 devnull         <tt><font size=+1>Section &quot;InputDevice&quot;<br>
 77 78e51a8c 2005-01-14 devnull         
 78 78e51a8c 2005-01-14 devnull         <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
 79 78e51a8c 2005-01-14 devnull 
 80 78e51a8c 2005-01-14 devnull             Identifier &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Mouse0&quot;<br>
 81 78e51a8c 2005-01-14 devnull             Driver &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;mouse&quot;<br>
 82 78e51a8c 2005-01-14 devnull             Option &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Device&quot; &quot;/dev/psaux&quot;<br>
 83 78e51a8c 2005-01-14 devnull             # next four lines enable scroll wheel as buttons 4 and 5<br>
 84 78e51a8c 2005-01-14 devnull             Option &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Buttons&quot; &quot;5&quot;<br>
 85 78e51a8c 2005-01-14 devnull             Option &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Emulate3Buttons&quot; &quot;off&quot;<br>
 86 78e51a8c 2005-01-14 devnull             Option &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Protocol&quot; &quot;ImPS/2&quot;<br>
 87 78e51a8c 2005-01-14 devnull             Option &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;ZAxisMapping&quot; &quot;4 5&quot;<br>
 88 78e51a8c 2005-01-14 devnull             
 89 78e51a8c 2005-01-14 devnull         </table>
 90 78e51a8c 2005-01-14 devnull         EndSection<br>
 91 78e51a8c 2005-01-14 devnull         </font></tt>
 92 78e51a8c 2005-01-14 devnull     </table>
 93 78e51a8c 2005-01-14 devnull     
 94 78e51a8c 2005-01-14 devnull </table>
 95 78e51a8c 2005-01-14 devnull 
 96 78e51a8c 2005-01-14 devnull <td width=20>
 97 78e51a8c 2005-01-14 devnull <tr height=20><td>
 98 78e51a8c 2005-01-14 devnull </table>
 99 78e51a8c 2005-01-14 devnull <!-- TRAILER -->
100 78e51a8c 2005-01-14 devnull <table border=0 cellpadding=0 cellspacing=0 width=100%>
101 78e51a8c 2005-01-14 devnull <tr height=15><td width=10><td><td width=10>
102 78e51a8c 2005-01-14 devnull <tr><td><td>
103 78e51a8c 2005-01-14 devnull <center>
104 78e51a8c 2005-01-14 devnull <a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a>
105 78e51a8c 2005-01-14 devnull </center>
106 78e51a8c 2005-01-14 devnull </table>
107 78e51a8c 2005-01-14 devnull <!-- TRAILER -->
108 78e51a8c 2005-01-14 devnull </body></html>