gimp/app/main.c

387 lines
9.5 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#ifndef WAIT_ANY
#define WAIT_ANY -1
#endif /* WAIT_ANY */
#include "libgimp/gimpfeatures.h"
#include "appenv.h"
#include "app_procs.h"
#include "errors.h"
#include "install.h"
#include "libgimp/gimpintl.h"
static RETSIGTYPE on_signal (int);
static RETSIGTYPE on_sig_child (int);
static void init (void);
/* GLOBAL data */
int no_interface;
int no_data;
int no_splash;
int no_splash_image;
int be_verbose;
int use_shm;
int use_debug_handler;
int console_messages;
int restore_session;
GimpSet* image_context;
MessageHandlerType message_handler;
char *prog_name; /* The path name we are invoked with */
char *alternate_gimprc;
char *alternate_system_gimprc;
char **batch_cmds;
/* LOCAL data */
static int gimp_argc;
static char **gimp_argv;
/*
* argv processing:
* Arguments are either switches, their associated
* values, or image files. As switches and their
* associated values are processed, those slots in
* the argv[] array are NULLed. We do this because
* unparsed args are treated as images to load on
* startup.
*
*
* The GTK switches are processed first (X switches are
* processed here, not by any X routines). Then the
* general GIMP switches are processed. Any args
* left are assumed to be image files the GIMP should
* display.
*
* The exception is the batch switch. When this is
* encountered, all remaining args are treated as batch
* commands.
*/
int
main (int argc, char **argv)
{
int show_version;
int show_help;
int i, j;
#ifdef HAVE_PUTENV
gchar *display_name, *display_env;
#endif
g_atexit (g_mem_profile);
/* Initialize variables */
prog_name = argv[0];
/* Initialize Gtk toolkit */
gtk_set_locale ();
setlocale(LC_NUMERIC, "C"); /* must use dot, not comma, as decimal separator */
/* Initialize i18n support */
#ifdef HAVE_LC_MESSAGES
setlocale(LC_MESSAGES, "");
#endif
bindtextdomain("gimp", LOCALEDIR);
textdomain("gimp");
gtk_init (&argc, &argv);
#ifdef HAVE_LIBGLE
gle_init (&argc, &argv);
#endif /* !HAVE_LIBGLE */
#ifdef HAVE_PUTENV
display_name = gdk_get_display ();
display_env = g_new (gchar, strlen (display_name) + 9);
*display_env = 0;
strcat (display_env, "DISPLAY=");
strcat (display_env, display_name);
putenv (display_env);
#endif
no_interface = FALSE;
no_data = FALSE;
no_splash = FALSE;
no_splash_image = FALSE;
#ifdef HAVE_SHM_H
use_shm = TRUE;
#else
use_shm = FALSE;
#endif
use_debug_handler = FALSE;
restore_session = FALSE;
console_messages = FALSE;
message_handler = CONSOLE;
batch_cmds = g_new (char*, argc);
batch_cmds[0] = NULL;
alternate_gimprc = NULL;
alternate_system_gimprc = NULL;
show_version = FALSE;
show_help = FALSE;
for (i = 1; i < argc; i++)
{
if ((strcmp (argv[i], "--no-interface") == 0) ||
(strcmp (argv[i], "-n") == 0))
{
no_interface = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--batch") == 0) ||
(strcmp (argv[i], "-b") == 0))
{
argv[i] = NULL;
for (j = 0, i++ ; i < argc; j++, i++)
{
batch_cmds[j] = argv[i];
argv[i] = NULL;
}
batch_cmds[j] = NULL;
if (batch_cmds[0] == NULL) /* We need at least one batch command */
show_help = TRUE;
}
else if (strcmp (argv[i], "--system-gimprc") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
alternate_system_gimprc = argv[i];
argv[i] = NULL;
}
}
else if ((strcmp (argv[i], "--gimprc") == 0) ||
(strcmp (argv[i], "-g") == 0))
{
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
alternate_gimprc = argv[i];
argv[i] = NULL;
}
}
else if ((strcmp (argv[i], "--help") == 0) ||
(strcmp (argv[i], "-h") == 0))
{
show_help = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--version") == 0 ||
strcmp (argv[i], "-v") == 0)
{
show_version = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-data") == 0)
{
no_data = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-splash") == 0)
{
no_splash = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-splash-image") == 0)
{
no_splash_image = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--verbose") == 0)
{
be_verbose = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-shm") == 0)
{
use_shm = FALSE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--debug-handlers") == 0)
{
use_debug_handler = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--console-messages") == 0)
{
console_messages = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--restore-session") == 0) ||
(strcmp (argv[i], "-r") == 0))
{
restore_session = TRUE;
argv[i] = NULL;
}
/*
* ANYTHING ELSE starting with a '-' is an error.
*/
else if (argv[i][0] == '-')
{
show_help = TRUE;
}
}
if (show_version)
g_print ( "%s %s\n", _("GIMP version"), GIMP_VERSION);
if (show_help)
{
g_print (_("\007Usage: %s [option ...] [files ...]\n"), argv[0]);
g_print (_("Valid options are:\n"));
g_print (_(" -h --help Output this help.\n"));
g_print (_(" -v --version Output version info.\n"));
g_print (_(" -b --batch <commands> Run in batch mode.\n"));
g_print (_(" -g --gimprc <gimprc> Use an alternate gimprc file.\n"));
g_print (_(" -n --no-interface Run without a user interface.\n"));
g_print (_(" -r --restore-session Try to restore saved session.\n"));
g_print (_(" --no-data Do not load patterns, gradients, palettes, brushes.\n"));
g_print (_(" --verbose Show startup messages.\n"));
g_print (_(" --no-splash Do not show the startup window.\n"));
g_print (_(" --no-splash-image Do not add an image to the startup window.\n"));
g_print (_(" --no-shm Do not use shared memory between GIMP and its plugins.\n"));
g_print (_(" --no-xshm Do not use the X Shared Memory extension.\n"));
g_print (_(" --console-messages Display warnings to console instead of a dialog box.\n"));
g_print (_(" --debug-handlers Enable debugging signal handlers.\n"));
g_print (_(" --display <display> Use the designated X display.\n\n"));
g_print (_(" --system-gimprc <gimprc> Use an alternate system gimprc file.\n"));
}
if (show_version || show_help)
exit (0);
g_set_message_handler ((GPrintFunc) message_func);
/* Handle some signals */
signal (SIGHUP, on_signal);
signal (SIGINT, on_signal);
signal (SIGQUIT, on_signal);
signal (SIGABRT, on_signal);
signal (SIGBUS, on_signal);
signal (SIGSEGV, on_signal);
signal (SIGPIPE, on_signal);
signal (SIGTERM, on_signal);
signal (SIGFPE, on_signal);
/* Handle child exits */
signal (SIGCHLD, on_sig_child);
/* Keep the command line arguments--for use in gimp_init */
gimp_argc = argc - 1;
gimp_argv = argv + 1;
/* Check the installation */
install_verify (init);
/* Main application loop */
if (!app_exit_finish_done ())
gtk_main ();
return 0;
}
static void
init ()
{
/* Continue initializing */
gimp_init (gimp_argc, gimp_argv);
}
static int caught_fatal_sig = 0;
static RETSIGTYPE
on_signal (int sig_num)
{
if (caught_fatal_sig)
/* raise (sig_num);*/
kill (getpid (), sig_num);
caught_fatal_sig = 1;
switch (sig_num)
{
case SIGHUP:
terminate (_("sighup caught"));
break;
case SIGINT:
terminate (_("sigint caught"));
break;
case SIGQUIT:
terminate (_("sigquit caught"));
break;
case SIGABRT:
terminate (_("sigabrt caught"));
break;
case SIGBUS:
fatal_error (_("sigbus caught"));
break;
case SIGSEGV:
fatal_error (_("sigsegv caught"));
break;
case SIGPIPE:
terminate (_("sigpipe caught"));
break;
case SIGTERM:
terminate (_("sigterm caught"));
break;
case SIGFPE:
fatal_error (_("sigfpe caught"));
break;
default:
fatal_error (_("unknown signal"));
break;
}
}
static RETSIGTYPE
on_sig_child (int sig_num)
{
int pid;
int status;
while (1)
{
pid = waitpid (WAIT_ANY, &status, WNOHANG);
if (pid <= 0)
break;
}
}