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/*
* Copyright (C) 2023 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "meta-x11-event-source.h"
typedef struct {
GSource base;
GPollFD event_poll_fd;
Display *xdisplay;
} MetaX11EventSource;
static gboolean
meta_x11_event_source_prepare (GSource *source,
int *timeout)
{
MetaX11EventSource *event_source = (MetaX11EventSource *) source;
*timeout = -1;
return XPending (event_source->xdisplay);
}
static gboolean
meta_x11_event_source_check (GSource *source)
{
MetaX11EventSource *event_source = (MetaX11EventSource *) source;
return XPending (event_source->xdisplay);
}
static gboolean
meta_x11_event_source_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
MetaX11EventSource *event_source = (MetaX11EventSource *) source;
MetaX11EventFunc event_func = (MetaX11EventFunc) callback;
gboolean retval = G_SOURCE_CONTINUE;
while (retval == G_SOURCE_CONTINUE &&
XPending (event_source->xdisplay))
{
XEvent xevent;
XNextEvent (event_source->xdisplay, &xevent);
retval = event_func (&xevent, user_data);
}
return retval;
}
static GSourceFuncs meta_x11_event_source_funcs = {
meta_x11_event_source_prepare,
meta_x11_event_source_check,
meta_x11_event_source_dispatch,
};
GSource *
meta_x11_event_source_new (Display *xdisplay)
{
GSource *source;
MetaX11EventSource *event_source;
source = g_source_new (&meta_x11_event_source_funcs,
sizeof (MetaX11EventSource));
g_source_set_name (source, "[mutter] MetaX11Display events");
event_source = (MetaX11EventSource *) source;
event_source->xdisplay = xdisplay;
event_source->event_poll_fd.fd = ConnectionNumber (xdisplay);
event_source->event_poll_fd.events = G_IO_IN;
g_source_add_poll (source, &event_source->event_poll_fd);
return source;
}
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