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<title>FBB::Xpointer</title>
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<h1>FBB::Xpointer</h1>
<h2>libbobcat-dev_4.01.03-x.tar.gz</h2>
<h2>2005-2015</h2>
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<title>FBB::Xpointer(3bobcat)</title>
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<h1>FBB::Xpointer(3bobcat)</h1>
<h2>libbobcat-dev_4.01.03-x.tar.gz Sets the X-pointer</h2>
<h2>2005-2015</h2>
<p>
<h2>NAME</h2>FBB::Xpointer - Sets the location of the X-windows pointer
<p>
<h2>SYNOPSIS</h2>
<strong>#include <bobcat/xpointer></strong><br>
<p>
Linking option: <em>-lbobcat -lX11</em>
<p>
<h2>DESCRIPTION</h2>
This class allows programs running within the X-graphical environment to
set and retrieve the X-windows pointer location.
<p>
<h2>NAMESPACE</h2>
<strong>FBB</strong><br>
All constructors, members, operators and manipulators, mentioned in this
man-page, are defined in the namespace <strong>FBB</strong>.
<p>
<h2>INHERITS FROM</h2>
-
<p>
<h2>CONSTRUCTORS</h2>
<ul>
<li> <strong>Xpointer()</strong>:<br>
The default constructor. Connects to the Display. throws an <strong>Exception</strong>
exception if the display cannot be opened. With multiple <strong>Xpointer</strong> objects,
the connection to the display is opened only once.
<p>
This constructor throws an <em>Exception</em> exception if it could not connect
to the Display.
</ul>
The copy constructor is available.
<p>
<h2>MEMBER FUNCTIONS</h2>
<ul>
<li> <strong>bool get(int *x, int *y) const</strong>:<br>
Returns in its arguments the currnet pointer coordinates relative to
the root-window. On success <em>true</em> is returned; <em>false</em> is returned if the
pointer could not be moved.
<li> <strong>bool set(int x, int y) const</strong>:<br>
Sets the pointer to a location whose pixel coordinates are given with
respect to the root-window. A negative x-coordinate is measured from the
right screen-margin of the root window (going left), a negative y-coordinate
is measured from the bottom screen-margin of the root window (going up). On
success <em>true</em> is returned; <em>false</em> is returned if the pointer could not
be moved.
<li> <strong>void verify() const</strong>:<br>
Obsoleted, will be removed in a future Bobcat release.
</ul>
<p>
<h2>EXAMPLE</h2>
<pre>
#include <iostream>
#include <string>
#include <bobcat/xpointer>
using namespace FBB;
int main()
try
{
Xpointer xpointer;
xpointer.verify();
if (!xpointer.set(100, 200))
throw string("Set pointer failed");
int x;
int y;
if (!xpointer.get(&x, &y))
throw string("Get pointer failed");
cout << "Pointer now at " << x << ", " << y << endl;
return 0;
}
catch (string msg)
{
cout << msg << endl;
return 1;
}
</pre>
<p>
<h2>FILES</h2>
<em>bobcat/xpointer</em> - defines the class interface
<p>
<h2>SEE ALSO</h2>
<strong>bobcat</strong>(7)
<p>
<h2>BUGS</h2>
<p>
Note that <em>-lX11</em> must be specified as well.
<p>
<h2>DISTRIBUTION FILES</h2>
<ul>
<li> <em>bobcat_4.01.03-x.dsc</em>: detached signature;
<li> <em>bobcat_4.01.03-x.tar.gz</em>: source archive;
<li> <em>bobcat_4.01.03-x_i386.changes</em>: change log;
<li> <em>libbobcat1_4.01.03-x_*.deb</em>: debian package holding the
libraries;
<li> <em>libbobcat1-dev_4.01.03-x_*.deb</em>: debian package holding the
libraries, headers and manual pages;
<li> <em>http://sourceforge.net/projects/bobcat</em>: public archive location;
</ul>
<p>
<h2>BOBCAT</h2>
Bobcat is an acronym of `Brokken's Own Base Classes And Templates'.
<p>
<h2>COPYRIGHT</h2>
This is free software, distributed under the terms of the
GNU General Public License (GPL).
<p>
<h2>AUTHOR</h2>
Frank B. Brokken (<strong>f.b.brokken@rug.nl</strong>).
<p>
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