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gimp/app/main.c

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/* 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 <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef WAIT_ANY
#define WAIT_ANY -1
#endif
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "core/core-types.h"
#include "gui/gui.h"
#include "appenv.h"
#include "app_procs.h"
#include "errors.h"
#include "libgimp/gimpintl.h"
#ifdef G_OS_WIN32
#include <windows.h>
#else
static void gimp_sigfatal_handler (gint sig_num);
static void gimp_sigchld_handler (gint sig_num);
#endif
/* command line options */
gboolean no_interface = FALSE;
gboolean no_data = FALSE;
gboolean no_splash = FALSE;
gboolean no_splash_image = FALSE;
gboolean be_verbose = FALSE;
gboolean use_shm = FALSE;
gboolean use_debug_handler = FALSE;
gboolean console_messages = FALSE;
gboolean restore_session = FALSE;
gboolean use_mmx = TRUE;
GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_QUERY;
gchar *alternate_gimprc = NULL;
gchar *alternate_system_gimprc = NULL;
gchar **batch_cmds = NULL;
/* other global variables */
gchar *prog_name = NULL; /* our executable name */
/*
* 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)
{
gboolean show_version = FALSE;
gboolean show_help = FALSE;
gint i, j;
#if 0
g_mem_set_vtable (glib_mem_profiler_table);
g_atexit (g_mem_profile);
#endif
/* Initialize variables */
prog_name = argv[0];
/* Initialize i18n support */
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE"-libgimp", gimp_locale_directory ());
bind_textdomain_codeset (GETTEXT_PACKAGE"-libgimp", "UTF-8");
bindtextdomain (GETTEXT_PACKAGE, gimp_locale_directory ());
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
/* check argv[] for "--no-interface" before trying to initialize gtk+ */
for (i = 1; i < argc; i++)
{
if ((strcmp (argv[i], "--no-interface") == 0) ||
(strcmp (argv[i], "-i") == 0))
{
no_interface = TRUE;
}
}
if (no_interface)
{
setlocale (LC_ALL, "");
g_type_init ();
}
else
{
gui_libs_init (&argc, &argv);
}
#if defined (HAVE_SHM_H) || defined (G_OS_WIN32)
use_shm = TRUE;
#endif
batch_cmds = g_new (char *, argc);
batch_cmds[0] = NULL;
for (i = 1; i < argc; i++)
{
if (strcmp (argv[i], "--g-fatal-warnings") == 0)
{
GLogLevelFlags fatal_mask;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-interface") == 0) ||
(strcmp (argv[i], "-i") == 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))
{
argv[i] = NULL;
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) ||
(strcmp (argv[i], "-d") == 0))
{
no_data = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-splash") == 0) ||
(strcmp (argv[i], "-s") == 0))
{
no_splash = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-splash-image") == 0) ||
(strcmp (argv[i], "-S") == 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], "--no-mmx") == 0)
{
use_mmx = 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) ||
(strcmp (argv[i], "-c") == 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;
}
else if (strcmp (argv[i], "--enable-stack-trace") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
if (! strcmp (argv[i], "never"))
stack_trace_mode = GIMP_STACK_TRACE_NEVER;
else if (! strcmp (argv[i], "query"))
stack_trace_mode = GIMP_STACK_TRACE_QUERY;
else if (! strcmp (argv[i], "always"))
stack_trace_mode = GIMP_STACK_TRACE_ALWAYS;
else
show_help = TRUE;
argv[i] = NULL;
}
}
else if (strcmp (argv[i], "--") == 0)
{
/*
* everything after "--" is a parameter (i.e. image to load)
*/
argv[i] = NULL;
break;
}
else if (argv[i][0] == '-')
{
/*
* anything else starting with a '-' is an error.
*/
g_print (_("\nInvalid option \"%s\"\n"), argv[i]);
show_help = TRUE;
}
}
#ifdef G_OS_WIN32
/* Common windoze apps don't have a console at all. So does Gimp
* - if appropiate. This allows to compile as console application
* with all it's benfits (like inheriting the console) but hide
* it, if the user doesn't want it.
*/
if (!show_help && !show_version && !be_verbose && !console_messages)
FreeConsole ();
#endif
if (show_version || show_help)
{
g_print ( "%s %s\n", _("GIMP version"), GIMP_VERSION);
}
if (show_help)
{
g_print (_("\nUsage: %s [option ... ] [file ... ]\n\n"), argv[0]);
g_print (_("Options:\n"));
g_print (_(" -b, --batch <commands> Run in batch mode.\n"));
g_print (_(" -c, --console-messages Display warnings to console instead of a dialog box.\n"));
g_print (_(" -d, --no-data Do not load brushes, gradients, palettes, patterns.\n"));
g_print (_(" -i, --no-interface Run without a user interface.\n"));
g_print (_(" -g, --gimprc <gimprc> Use an alternate gimprc file.\n"));
g_print (_(" -h, --help Output this help.\n"));
g_print (_(" -r, --restore-session Try to restore saved session.\n"));
g_print (_(" -s, --no-splash Do not show the startup window.\n"));
g_print (_(" -S, --no-splash-image Do not add an image to the startup window.\n"));
g_print (_(" -v, --version Output version information.\n"));
g_print (_(" --verbose Show startup messages.\n"));
g_print (_(" --no-shm Do not use shared memory between GIMP and plugins.\n"));
g_print (_(" --no-mmx Do not use MMX routines.\n"));
g_print (_(" --debug-handlers Enable non-fatal debugging signal handlers.\n"));
g_print (_(" --display <display> Use the designated X display.\n"));
g_print (_(" --system-gimprc <gimprc> Use an alternate system gimprc file.\n"));
g_print (" --enable-stack-trace <never | query | always>\n");
g_print (_(" Debugging mode for fatal signals.\n\n"));
}
if (show_version || show_help)
{
#ifdef G_OS_WIN32
/* Give them time to read the message if it was printed in a
* separate console window. I would really love to have
* some way of asking for confirmation to close the console
* window.
*/
HANDLE console;
DWORD mode;
console = GetStdHandle (STD_OUTPUT_HANDLE);
if (GetConsoleMode (console, &mode) != 0)
{
g_print (_("(This console window will close in ten seconds)\n"));
Sleep(10000);
}
#endif
exit (0);
}
g_log_set_handler ("Gimp",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Base",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Paint-Funcs",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Core",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-PDB",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Plug-In",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-File",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-XCF",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Widgets",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Display",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-Tools",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler ("Gimp-GUI",
G_LOG_LEVEL_MESSAGE,
gimp_message_log_func,
NULL);
g_log_set_handler (NULL,
G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL,
gimp_error_log_func,
NULL);
#ifndef G_OS_WIN32
/* No use catching these on Win32, the user won't get any
* stack trace from glib anyhow. It's better to let Windows inform
* about the program error, and offer debugging (if the user
* has installed MSVC or some other compiler that knows how to
* install itself as a handler for program errors).
*/
/* Handle fatal signals */
gimp_signal_private (SIGHUP, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGINT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGQUIT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGABRT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGBUS, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGSEGV, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGTERM, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGFPE, gimp_sigfatal_handler, 0);
/* Ignore SIGPIPE because plug_in.c handles broken pipes */
gimp_signal_private (SIGPIPE, SIG_IGN, 0);
/* Collect dead children */
gimp_signal_private (SIGCHLD, gimp_sigchld_handler, SA_RESTART);
#endif /* G_OS_WIN32 */
/* Initialize the application */
app_init (argc - 1,
argv + 1);
return 0;
}
#ifdef G_OS_WIN32
/* In case we build this as a windowed application */
#ifdef __GNUC__
# ifndef _stdcall
# define _stdcall __attribute__((stdcall))
# endif
#endif
int _stdcall
WinMain (struct HINSTANCE__ *hInstance,
struct HINSTANCE__ *hPrevInstance,
char *lpszCmdLine,
int nCmdShow)
{
return main (__argc, __argv);
}
#endif /* G_OS_WIN32 */
#ifndef G_OS_WIN32
/* gimp core signal handler for fatal signals */
static void
gimp_sigfatal_handler (gint sig_num)
{
switch (sig_num)
{
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGABRT:
case SIGTERM:
gimp_terminate (g_strsignal (sig_num));
break;
case SIGBUS:
case SIGSEGV:
case SIGFPE:
default:
gimp_fatal_error (g_strsignal (sig_num));
break;
}
}
/* gimp core signal handler for death-of-child signals */
static void
gimp_sigchld_handler (gint sig_num)
{
gint pid;
gint status;
while (TRUE)
{
pid = waitpid (WAIT_ANY, &status, WNOHANG);
if (pid <= 0)
break;
}
}
#endif /* ! G_OS_WIN32 */
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