gimp/app/main.c

293 lines
7.2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.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 "appenv.h"
#include "app_procs.h"
#include "errors.h"
#include "install.h"
#include "tile.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;
char *prog_name; /* The path name we are invoked with */
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.
*
* 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;
gchar *display_name, *display_env;
atexit (g_mem_profile);
/* Initialize variables */
prog_name = argv[0];
/* Initialize Gtk toolkit */
gtk_init (&argc, &argv);
gtk_accelerator_table_set_mod_mask (NULL, GDK_SHIFT_MASK |
GDK_CONTROL_MASK |
GDK_MOD1_MASK);
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);
no_interface = FALSE;
no_data = FALSE;
no_splash = FALSE;
no_splash_image = FALSE;
use_shm = TRUE;
batch_cmds = g_new (char*, argc);
batch_cmds[0] = 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;
}
else if ((strcmp (argv[i], "--help") == 0) ||
(strcmp (argv[i], "-h") == 0))
{
show_help = TRUE;
}
else if (strcmp (argv[i], "--version") == 0 ||
strcmp (argv[i], "-v") == 0)
{
show_version = TRUE;
}
else if (strcmp (argv[i], "--no-data") == 0)
{
no_data = TRUE;
}
else if (strcmp (argv[i], "--no-splash") == 0)
{
no_splash = TRUE;
}
else if (strcmp (argv[i], "--no-splash-image") == 0)
{
no_splash_image = TRUE;
}
else if (strcmp (argv[i], "--verbose") == 0)
{
be_verbose = TRUE;
}
else if (strcmp (argv[i], "--no-shm") == 0)
{
use_shm = FALSE;
}
/*
* ANYTHING ELSE starting with a '-' is an error.
*/
else if (argv[i][0] == '-')
{
show_help = TRUE;
}
}
if (show_version)
g_print ("GIMP version " VERSION "\n");
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 (" -n --no-interface Run without a user interface.\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 (" --display <display> Use the designated X display.\n\n");
g_print ("Valid debugging options are:\n");
g_print (" --sync Send X commands synchronously.\n");
g_print (" --show-events Show GDK events.\n");
g_print (" --no-show-events Don't show GDK events.\n");
g_print (" --debug-level <level> Provide debug output at designated level.\n");
}
if (show_version || show_help)
exit (0);
/* 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)
{
char *sig;
if (caught_fatal_sig)
/* raise (sig_num);*/
kill (getpid (), sig_num);
caught_fatal_sig = 1;
switch (sig_num)
{
case SIGHUP:
sig = "sighup";
break;
case SIGINT:
sig = "sigint";
break;
case SIGQUIT:
sig = "sigquit";
break;
case SIGABRT:
sig = "sigabrt";
break;
case SIGBUS:
sig = "sigbus";
break;
case SIGSEGV:
sig = "sigsegv";
break;
case SIGPIPE:
sig = "sigpipe";
break;
case SIGTERM:
sig = "sigterm";
break;
case SIGFPE:
sig = "sigfpe";
break;
default:
sig = "unknown signal";
break;
}
fatal_error ("%s caught", sig);
}
static RETSIGTYPE
on_sig_child (int sig_num)
{
int pid;
int status;
while (1)
{
pid = waitpid (WAIT_ANY, &status, WNOHANG);
if (pid <= 0)
break;
}
}