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/*
* Copyright (C) 2004 Bastien Nocera <hadess@hadess.net>
*
* 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.
*
* The Totem project hereby grant permission for non-gpl compatible GStreamer
* plugins to be used and distributed together with GStreamer and Totem. This
* permission are above and beyond the permissions granted by the GPL license
* Totem is covered by.
*
* Monday 7th February 2005: Christian Schaller: Add excemption clause.
* See license_change file for details.
*
*/
#include <config.h>
#ifndef HAVE_GTK_ONLY
#include <glib.h>
#include <sys/types.h>
#include <signal.h>
#include <fcntl.h>
#include <unistd.h>
#include "totem-gromit.h"
#define INTERVAL 10000
static const char *start_cmd[] = { NULL, "-a", "-k", "none", NULL };
static const char *toggle_cmd[] = { NULL, "-t", NULL };
static const char *clear_cmd[] = { NULL, "-c", NULL };
static const char *visibility_cmd[] = { NULL, "-v", NULL };
/* no quit command, we just kill the process */
static char *path = NULL;
static int id = -1;
static GPid pid = -1;
#define DEFAULT_CONFIG \
"#Default gromit configuration for Totem's telestrator mode \n\
\"red Pen\" = PEN (size=5 color=\"red\"); \n\
\"blue Pen\" = \"red Pen\" (color=\"blue\"); \n\
\"yellow Pen\" = \"red Pen\" (color=\"yellow\"); \n\
\"green Marker\" = PEN (size=6 color=\"green\" arrowsize=1); \n\
\n\
\"Eraser\" = ERASER (size = 100); \n\
\n\
\"Core Pointer\" = \"red Pen\"; \n\
\"Core Pointer\"[SHIFT] = \"blue Pen\"; \n\
\"Core Pointer\"[CONTROL] = \"yellow Pen\"; \n\
\"Core Pointer\"[2] = \"green Marker\"; \n\
\"Core Pointer\"[Button3] = \"Eraser\"; \n\
\n"
static void
totem_gromit_ensure_config_file (void)
{
char *path;
int fd;
path = g_build_filename (g_get_home_dir (), ".gromitrc", NULL);
if (g_file_test (path, G_FILE_TEST_EXISTS) != FALSE) {
g_free (path);
return;
}
g_message ("%s doesn't exist", path);
fd = creat (path, 0755);
g_free (path);
if (fd < 0) {
return;
}
write (fd, DEFAULT_CONFIG, sizeof (DEFAULT_CONFIG));
close (fd);
}
gboolean
totem_gromit_available (void)
{
static int gromit_available = -1;
if (gromit_available != -1)
return (gboolean) gromit_available;
path = g_find_program_in_path ("gromit");
gromit_available = (path != NULL);
if (path != NULL) {
start_cmd[0] = toggle_cmd[0] = clear_cmd[0] =
visibility_cmd[0] = path;
totem_gromit_ensure_config_file ();
}
return gromit_available;
}
static void
launch (const char **cmd)
{
g_spawn_sync (NULL, (char **)cmd, NULL, 0, NULL, NULL,
NULL, NULL, NULL, NULL);
}
static void
gromit_exit (void)
{
/* Nothing to do */
if (pid == -1) {
if (id != -1) {
g_source_remove (id);
id = -1;
}
return;
}
kill ((pid_t) pid, SIGKILL);
pid = -1;
}
static gboolean
gromit_timeout_cb (gpointer data)
{
id = -1;
gromit_exit ();
return FALSE;
}
#include <gtk/gtk.h>
void
totem_gromit_toggle (void)
{
if (totem_gromit_available () == FALSE)
return;
/* Not started */
if (pid == -1) {
if (g_spawn_async (NULL,
(char **)start_cmd, NULL, 0, NULL, NULL,
&pid, NULL) == FALSE) {
g_printerr ("Couldn't start gromit");
return;
}
} else if (id == -1) { /* Started but disabled */
g_source_remove (id);
id = -1;
launch (toggle_cmd);
} else {
/* Started and visible */
g_source_remove (id);
id = -1;
launch (toggle_cmd);
}
}
void
totem_gromit_clear (gboolean now)
{
if (totem_gromit_available () == FALSE)
return;
if (now != FALSE) {
gromit_exit ();
if (path != NULL) {
g_free (path);
path = NULL;
}
return;
}
launch (visibility_cmd);
launch (clear_cmd);
id = g_timeout_add (INTERVAL, gromit_timeout_cb, NULL);
}
#endif /* !HAVE_GTK_ONLY */
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