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/*
* Copyright © 2010 Canonical Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Canonical Ltd. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Canonical Ltd. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* CANONICAL, LTD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL CANONICAL, LTD. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Authored by: Jason Smith <jason.smith@canonical.com>
* : Sam Spilsbury <sam.spilsbury@canonical.com>
*/
#include "privateeventsource.h"
#include "core/screen.h"
Glib::RefPtr<CompEventSource>
CompEventSource::create ()
{
return Glib::RefPtr<CompEventSource> (new CompEventSource (screen->dpy (), ConnectionNumber (screen->dpy ())));
}
sigc::connection
CompEventSource::connect (const sigc::slot <bool> &slot)
{
return connect_generic (slot);
}
CompEventSource::CompEventSource (Display *dpy, int fd) :
Glib::Source (),
mDpy (dpy),
mConnectionFD (fd)
{
mPollFD.set_fd (mConnectionFD);
mPollFD.set_events (Glib::IO_IN);
set_priority (G_PRIORITY_DEFAULT);
add_poll (mPollFD);
set_can_recurse (true);
connect (sigc::mem_fun <bool, CompEventSource> (this, &CompEventSource::callback));
}
CompEventSource::~CompEventSource ()
{
}
bool
CompEventSource::callback ()
{
screen->processEvents ();
return true;
}
bool
CompEventSource::prepare (int &timeout)
{
timeout = -1;
return XPending (mDpy);
}
bool
CompEventSource::check ()
{
if (mPollFD.get_revents () & Glib::IO_IN)
return XPending (mDpy);
return false;
}
bool
CompEventSource::dispatch (sigc::slot_base *slot)
{
return (*static_cast <sigc::slot <bool> *> (slot)) ();
}
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