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gimp/app/main.c

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/* GIMP - The GNU 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"
#define _GNU_SOURCE /* for the sigaction stuff */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef __GLIBC__
#include <malloc.h>
#endif
#include <locale.h>
#include <glib-object.h>
#if HAVE_DBUS_GLIB
#include <dbus/dbus-glib.h>
#endif
#ifndef GIMP_CONSOLE_COMPILATION
#include <gdk/gdk.h>
#endif
#include "libgimpbase/gimpbase.h"
#include "core/core-types.h"
#include "base/tile.h"
#include "config/gimpconfig-dump.h"
#include "core/gimp.h"
#include "widgets/gimpdbusservice.h"
#include "about.h"
#include "app.h"
#include "errors.h"
#include "sanity.h"
#include "units.h"
#ifdef G_OS_WIN32
#include <windows.h>
#include <conio.h>
#endif
#include "gimp-intl.h"
static gboolean gimp_option_fatal_warnings (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error);
static gboolean gimp_option_stack_trace_mode (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error);
static gboolean gimp_option_pdb_compat_mode (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error);
static gboolean gimp_option_dump_gimprc (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error);
static void gimp_show_version_and_exit (void) G_GNUC_NORETURN;
static void gimp_show_license_and_exit (void) G_GNUC_NORETURN;
static void gimp_init_i18n (void);
static void gimp_init_malloc (void);
static void gimp_init_signal_handlers (void);
#ifndef G_OS_WIN32
static void gimp_sigfatal_handler (gint sig_num) G_GNUC_NORETURN;
#endif
#if defined (G_OS_WIN32) && !defined (GIMP_CONSOLE_COMPILATION)
static void gimp_open_console_window (void);
#else
#define gimp_open_console_window() /* as nothing */
#endif
static const gchar *system_gimprc = NULL;
static const gchar *user_gimprc = NULL;
static const gchar *session_name = NULL;
static const gchar *batch_interpreter = NULL;
static const gchar **batch_commands = NULL;
static const gchar **filenames = NULL;
static gboolean no_interface = FALSE;
static gboolean no_data = FALSE;
static gboolean no_fonts = FALSE;
static gboolean no_splash = FALSE;
static gboolean be_verbose = FALSE;
static gboolean new_instance = FALSE;
#if defined (USE_SYSV_SHM) || defined (USE_POSIX_SHM) || defined (G_OS_WIN32)
static gboolean use_shm = TRUE;
#else
static gboolean use_shm = FALSE;
#endif
static gboolean use_cpu_accel = TRUE;
static gboolean console_messages = FALSE;
static gboolean use_debug_handler = FALSE;
#ifdef GIMP_UNSTABLE
static GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_QUERY;
static GimpPDBCompatMode pdb_compat_mode = GIMP_PDB_COMPAT_WARN;
#else
static GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_NEVER;
static GimpPDBCompatMode pdb_compat_mode = GIMP_PDB_COMPAT_ON;
#endif
static const GOptionEntry main_entries[] =
{
{ "version", 'v', G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, (GOptionArgFunc) gimp_show_version_and_exit,
N_("Show version information and exit"), NULL
},
{
"license", 0, G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, (GOptionArgFunc) gimp_show_license_and_exit,
N_("Show license information and exit"), NULL
},
{
"verbose", 0, 0,
G_OPTION_ARG_NONE, &be_verbose,
N_("Be more verbose"), NULL
},
{
"new-instance", 'n', 0,
G_OPTION_ARG_NONE, &new_instance,
N_("Start a new GIMP instance"), NULL
},
{
"no-interface", 'i', 0,
G_OPTION_ARG_NONE, &no_interface,
N_("Run without a user interface"), NULL
},
{
"no-data", 'd', 0,
G_OPTION_ARG_NONE, &no_data,
N_("Do not load brushes, gradients, patterns, ..."), NULL
},
{
"no-fonts", 'f', 0,
G_OPTION_ARG_NONE, &no_fonts,
N_("Do not load any fonts"), NULL
},
{
"no-splash", 's', 0,
G_OPTION_ARG_NONE, &no_splash,
N_("Do not show a startup window"), NULL
},
{
"no-shm", 0, G_OPTION_FLAG_REVERSE,
G_OPTION_ARG_NONE, &use_shm,
N_("Do not use shared memory between GIMP and plugins"), NULL
},
{
"no-cpu-accel", 0, G_OPTION_FLAG_REVERSE,
G_OPTION_ARG_NONE, &use_cpu_accel,
N_("Do not use special CPU acceleration functions"), NULL
},
{
"session", 0, 0,
G_OPTION_ARG_FILENAME, &session_name,
N_("Use an alternate sessionrc file"), "<name>"
},
{
"gimprc", 0, 0,
G_OPTION_ARG_FILENAME, &user_gimprc,
N_("Use an alternate user gimprc file"), "<filename>"
},
{
"system-gimprc", 0, 0,
G_OPTION_ARG_FILENAME, &system_gimprc,
N_("Use an alternate system gimprc file"), "<filename>"
},
{
"batch", 'b', 0,
G_OPTION_ARG_STRING_ARRAY, &batch_commands,
N_("Batch command to run (can be used multiple times)"), "<command>"
},
{
"batch-interpreter", 0, 0,
G_OPTION_ARG_STRING, &batch_interpreter,
N_("The procedure to process batch commands with"), "<proc>"
},
{
"console-messages", 0, 0,
G_OPTION_ARG_NONE, &console_messages,
N_("Send messages to console instead of using a dialog"), NULL
},
{
"pdb-compat-mode", 0, 0,
G_OPTION_ARG_CALLBACK, gimp_option_pdb_compat_mode,
/* don't translate the mode names (off|on|warn) */
N_("PDB compatibility mode (off|on|warn)"), "<mode>"
},
{
"stack-trace-mode", 0, 0,
G_OPTION_ARG_CALLBACK, gimp_option_stack_trace_mode,
/* don't translate the mode names (never|query|always) */
N_("Debug in case of a crash (never|query|always)"), "<mode>"
},
{
"debug-handlers", 0, G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_NONE, &use_debug_handler,
N_("Enable non-fatal debugging signal handlers"), NULL
},
{
"g-fatal-warnings", 0, G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, gimp_option_fatal_warnings,
N_("Make all warnings fatal"), NULL
},
{
"dump-gimprc", 0, G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, gimp_option_dump_gimprc,
N_("Output a gimprc file with default settings"), NULL
},
{
"dump-gimprc-system", 0, G_OPTION_FLAG_NO_ARG | G_OPTION_FLAG_HIDDEN,
G_OPTION_ARG_CALLBACK, gimp_option_dump_gimprc,
NULL, NULL
},
{
"dump-gimprc-manpage", 0, G_OPTION_FLAG_NO_ARG | G_OPTION_FLAG_HIDDEN,
G_OPTION_ARG_CALLBACK, gimp_option_dump_gimprc,
NULL, NULL
},
{
G_OPTION_REMAINING, 0, 0,
G_OPTION_ARG_FILENAME_ARRAY, &filenames,
NULL, NULL
},
{ NULL }
};
int
main (int argc,
char **argv)
{
GOptionContext *context;
GError *error = NULL;
const gchar *abort_message;
gchar *basename;
gint i;
#ifdef ENABLE_MP
if (! g_thread_supported ())
g_thread_init (NULL);
#endif
#ifdef GIMP_UNSTABLE
gimp_open_console_window ();
#endif
gimp_init_malloc ();
gimp_env_init (FALSE);
gimp_init_i18n ();
g_set_application_name (GIMP_NAME);
basename = g_path_get_basename (argv[0]);
g_set_prgname (basename);
g_free (basename);
/* Check argv[] for "--no-interface" before trying to initialize gtk+. */
for (i = 1; i < argc; i++)
{
const gchar *arg = argv[i];
if (arg[0] != '-')
continue;
if ((strcmp (arg, "--no-interface") == 0) || (strcmp (arg, "-i") == 0))
{
no_interface = TRUE;
}
else if ((strcmp (arg, "--version") == 0) || (strcmp (arg, "-v") == 0))
{
gimp_open_console_window ();
gimp_show_version_and_exit ();
}
#if defined (G_OS_WIN32) && !defined (GIMP_CONSOLE_COMPILATION)
else if ((strcmp (arg, "--help") == 0) ||
(strcmp (arg, "-?") == 0) ||
(strncmp (arg, "--help-", 7) == 0))
{
gimp_open_console_window ();
}
#endif
}
#ifdef GIMP_CONSOLE_COMPILATION
no_interface = TRUE;
#endif
context = g_option_context_new (_("[FILE|URI...]"));
g_option_context_set_summary (context, GIMP_NAME);
g_option_context_add_main_entries (context, main_entries, GETTEXT_PACKAGE);
app_libs_init (context, no_interface);
if (! g_option_context_parse (context, &argc, &argv, &error))
{
if (error)
{
gimp_open_console_window ();
g_print ("%s\n", error->message);
g_error_free (error);
}
else
{
g_print ("%s\n",
_("GIMP could not initialize the graphical user interface.\n"
"Make sure a proper setup for your display environment "
"exists."));
}
app_exit (EXIT_FAILURE);
}
if (no_interface || be_verbose || console_messages || batch_commands != NULL)
gimp_open_console_window ();
if (no_interface)
new_instance = TRUE;
#ifndef GIMP_CONSOLE_COMPILATION
#if HAVE_DBUS_GLIB
if (! new_instance)
{
DBusGConnection *connection;
connection = dbus_g_bus_get (DBUS_BUS_SESSION, NULL);
if (connection)
{
DBusGProxy *proxy;
gboolean success;
proxy = dbus_g_proxy_new_for_name (connection,
GIMP_DBUS_SERVICE_NAME,
GIMP_DBUS_SERVICE_PATH,
GIMP_DBUS_SERVICE_INTERFACE);
if (filenames)
success = dbus_g_proxy_call (proxy, "Open", &error,
G_TYPE_STRV, filenames,
G_TYPE_INVALID, G_TYPE_INVALID);
else
success = dbus_g_proxy_call (proxy, "Activate", &error,
G_TYPE_INVALID, G_TYPE_INVALID);
g_object_unref (proxy);
dbus_g_connection_unref (connection);
if (success)
{
if (be_verbose)
g_print ("%s\n",
_("Another GIMP instance is already running."));
gdk_notify_startup_complete ();
return EXIT_SUCCESS;
}
else if (! (error->domain == DBUS_GERROR &&
error->code == DBUS_GERROR_SERVICE_UNKNOWN))
{
g_print ("%s\n", error->message);
}
g_clear_error (&error);
}
}
#endif
#endif
abort_message = sanity_check ();
if (abort_message)
app_abort (no_interface, abort_message);
gimp_init_signal_handlers ();
app_run (argv[0],
filenames,
system_gimprc,
user_gimprc,
session_name,
batch_interpreter,
batch_commands,
no_interface,
no_data,
no_fonts,
no_splash,
be_verbose,
use_shm,
use_cpu_accel,
console_messages,
use_debug_handler,
stack_trace_mode,
pdb_compat_mode);
g_option_context_free (context);
return EXIT_SUCCESS;
}
#ifdef G_OS_WIN32
/* In case we build this as a windowed application. Well, we do. */
#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);
}
#ifndef GIMP_CONSOLE_COMPILATION
static void
wait_console_window (void)
{
FILE *console = fopen ("CONOUT$", "w");
SetConsoleTitleW (g_utf8_to_utf16 (_("GIMP output. Type any character to close this window."), -1, NULL, NULL, NULL));
fprintf (console, _("(Type any character to close this window)\n"));
fflush (console);
_getch ();
}
static void
gimp_open_console_window (void)
{
if (((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE ||
(HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE) && AllocConsole ())
{
if ((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE)
freopen ("CONOUT$", "w", stdout);
if ((HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE)
freopen ("CONOUT$", "w", stderr);
SetConsoleTitleW (g_utf8_to_utf16 (_("GIMP output. You can minimize this window, but don't close it."), -1, NULL, NULL, NULL));
atexit (wait_console_window);
}
}
#endif
#endif /* G_OS_WIN32 */
static gboolean
gimp_option_fatal_warnings (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
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);
return TRUE;
}
static gboolean
gimp_option_stack_trace_mode (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (strcmp (value, "never") == 0)
stack_trace_mode = GIMP_STACK_TRACE_NEVER;
else if (strcmp (value, "query") == 0)
stack_trace_mode = GIMP_STACK_TRACE_QUERY;
else if (strcmp (value, "always") == 0)
stack_trace_mode = GIMP_STACK_TRACE_ALWAYS;
else
return FALSE;
return TRUE;
}
static gboolean
gimp_option_pdb_compat_mode (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (! strcmp (value, "off"))
pdb_compat_mode = GIMP_PDB_COMPAT_OFF;
else if (! strcmp (value, "on"))
pdb_compat_mode = GIMP_PDB_COMPAT_ON;
else if (! strcmp (value, "warn"))
pdb_compat_mode = GIMP_PDB_COMPAT_WARN;
else
return FALSE;
return TRUE;
}
static gboolean
gimp_option_dump_gimprc (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
GimpConfigDumpFormat format = GIMP_CONFIG_DUMP_NONE;
gimp_open_console_window ();
if (strcmp (option_name, "--dump-gimprc") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC;
if (strcmp (option_name, "--dump-gimprc-system") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC_SYSTEM;
else if (strcmp (option_name, "--dump-gimprc-manpage") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC_MANPAGE;
if (format)
{
Gimp *gimp;
gboolean success;
gimp = g_object_new (GIMP_TYPE_GIMP, NULL);
units_init (gimp);
success = gimp_config_dump (format);
g_object_unref (gimp);
app_exit (success ? EXIT_SUCCESS : EXIT_FAILURE);
}
return FALSE;
}
static void
gimp_show_version (void)
{
gimp_open_console_window ();
g_print (_("%s version %s"), GIMP_NAME, GIMP_VERSION);
g_print ("\n");
}
static void
gimp_show_version_and_exit (void)
{
gimp_show_version ();
app_exit (EXIT_SUCCESS);
}
static void
gimp_show_license_and_exit (void)
{
gimp_show_version ();
g_print ("\n");
g_print (GIMP_LICENSE);
g_print ("\n\n");
app_exit (EXIT_SUCCESS);
}
static void
gimp_init_malloc (void)
{
#ifdef GIMP_GLIB_MEM_PROFILER
g_mem_set_vtable (glib_mem_profiler_table);
g_atexit (g_mem_profile);
#endif
#ifdef __GLIBC__
/* Tweak memory allocation so that memory allocated in chunks >= 4k
* (64x64 pixel 1bpp tile) gets returned to the system when free()'d.
*
* The default value for M_MMAP_THRESHOLD in glibc-2.3 is 128k.
* This is said to be an empirically derived value that works well
* in most systems. Lowering it to 4k is thus probably not the ideal
* solution.
*
* An alternative to tuning this parameter would be to use
* malloc_trim(), for example after releasing a large tile-manager.
*
* Another possibility is to switch to using GSlice as soon as this
* API is available in a stable GLib release.
*/
mallopt (M_MMAP_THRESHOLD, TILE_WIDTH * TILE_HEIGHT);
#endif
}
static void
gimp_init_i18n (void)
{
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE"-libgimp", gimp_locale_directory ());
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE"-libgimp", "UTF-8");
#endif
bindtextdomain (GETTEXT_PACKAGE, gimp_locale_directory ());
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif
textdomain (GETTEXT_PACKAGE);
}
static void
gimp_init_signal_handlers (void)
{
#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 */
/* these are handled by gimp_terminate() */
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 (SIGTERM, gimp_sigfatal_handler, 0);
if (stack_trace_mode != GIMP_STACK_TRACE_NEVER)
{
/* these are handled by gimp_fatal_error() */
gimp_signal_private (SIGBUS, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGSEGV, 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);
/* Restart syscalls on SIGCHLD */
gimp_signal_private (SIGCHLD, SIG_DFL, SA_RESTART);
#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;
}
}
#endif /* ! G_OS_WIN32 */
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