Desktop
/* $Id: xscreensaver.c,v 1.8 2012/07/14 00:31:37 khorben Exp $ */
/* Copyright (c) 2011-2012 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Locker */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
/* TODO:
* - send SIGSTOP/SIGSTART to the child process when its window is removed? */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <gdk/gdkx.h>
#include <System.h>
#include "Locker/demo.h"
#include "../../config.h"
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
/* XScreensaver */
/* private */
/* types */
typedef struct _LockerDemo
{
LockerDemoHelper * helper;
} XScreensaver;
/* prototypes */
/* plug-in */
static XScreensaver * _xscreensaver_init(LockerDemoHelper * helper);
static void _xscreensaver_destroy(XScreensaver * xscreensaver);
static int _xscreensaver_add(XScreensaver * xscreensaver, GtkWidget * window);
static void _xscreensaver_remove(XScreensaver * xscreensaver,
GtkWidget * window);
static void _xscreensaver_start(XScreensaver * xscreensaver);
static void _xscreensaver_stop(XScreensaver * xscreensaver);
/* public */
/* variables */
/* plug-in */
LockerDemoDefinition plugin =
{
"XScreensaver",
NULL,
NULL,
_xscreensaver_init,
_xscreensaver_destroy,
_xscreensaver_add,
_xscreensaver_remove,
_xscreensaver_start,
_xscreensaver_stop
};
/* private */
/* functions */
/* plug-in */
/* xscreensaver_init */
static XScreensaver * _xscreensaver_init(LockerDemoHelper * helper)
{
XScreensaver * xscreensaver;
if((xscreensaver = object_new(sizeof(*xscreensaver))) == NULL)
return NULL;
xscreensaver->helper = helper;
return xscreensaver;
}
/* xscreensaver_destroy */
static void _xscreensaver_destroy(XScreensaver * xscreensaver)
{
object_delete(xscreensaver);
}
/* xscreensaver_add */
static int _xscreensaver_add(XScreensaver * xscreensaver, GtkWidget * window)
{
int ret = 0;
LockerDemoHelper * helper = xscreensaver->helper;
unsigned int id = GDK_WINDOW_XWINDOW(window->window);
GError * error = NULL;
char * argv[] = { NULL, "-window-id", NULL, NULL };
char const * p;
char buf[16];
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() %u\n", __func__, id);
#endif
if((p = helper->config_get(helper->locker, "xscreensaver",
"xscreensaver")) != NULL)
argv[0] = strdup(p);
else
argv[0] = strdup(PREFIX "/libexec/xscreensaver/bsod");
snprintf(buf, sizeof(buf), "%u", id);
argv[2] = buf;
if(argv[0] == NULL)
return -helper->error(NULL, strerror(errno), 1);
if(g_spawn_async(NULL, argv, NULL, 0, NULL, NULL, NULL, &error) != TRUE)
{
ret = helper->error(NULL, error->message, 1);
g_error_free(error);
}
return ret;
}
/* xscreensaver_remove */
static void _xscreensaver_remove(XScreensaver * xscreensaver,
GtkWidget * window)
{
/* FIXME implement */
}
/* xscreensaver_start */
static void _xscreensaver_start(XScreensaver * xscreensaver)
{
/* FIXME implement */
}
/* xscreensaver_stop */
static void _xscreensaver_stop(XScreensaver * xscreensaver)
{
/* FIXME implement */
}