gimp/tools/gimp-remote.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimp-remote.c
* Copyright (C) 2000-2007 Sven Neumann <sven@gimp.org>
* Simon Budig <simon@gimp.org>
*
* Tells a running gimp to open files by creating a synthetic drop-event.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* Disclaimer:
*
* It is a really bad idea to use Drag'n'Drop for inter-client
* communication. Dont even think about doing this in your own newly
* created application.
* Simon
*/
#include "config.h"
#include <stdlib.h>
#include <locale.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpversion.h"
#include <glib/gi18n.h>
#include "gimp-remote.h"
static void show_version (void) G_GNUC_NORETURN;
static gboolean existing = FALSE;
static gboolean query = FALSE;
static gboolean no_splash = FALSE;
static gboolean print_xid = FALSE;
static const gchar **filenames = NULL;
static const GOptionEntry main_entries[] =
{
{ "version", 'v', G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, (GOptionArgFunc) show_version,
N_("Show version information and exit"), NULL
},
{
"existing", 'e', 0,
G_OPTION_ARG_NONE, &existing,
N_("Use a running GIMP only, never start a new one"), NULL
},
{
"query", 'q', 0,
G_OPTION_ARG_NONE, &query,
N_("Only check if GIMP is running, then quit"), NULL
},
#ifdef GDK_WINDOWING_X11
{
"print-xid", 'p', 0,
G_OPTION_ARG_NONE, &print_xid,
N_("Print X window ID of GIMP toolbox window, then quit"), NULL
},
#endif
{
"no-splash", 's', 0,
G_OPTION_ARG_NONE, &no_splash,
N_("Start GIMP without showing the startup window"), NULL
},
{
G_OPTION_REMAINING, 0, 0,
G_OPTION_ARG_FILENAME_ARRAY, &filenames,
NULL, NULL
},
{ NULL }
};
static void
show_version (void)
{
g_print (_("%s version %s"), "gimp-remote", GIMP_VERSION);
g_print ("\n");
exit (EXIT_SUCCESS);
}
static void
init_i18n (void)
{
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif
textdomain (GETTEXT_PACKAGE);
}
/* Check name for a valid URI scheme as described in RFC 2396.
* URI scheme:suffix with scheme = [alpha][alphanum|digit|+|-|.]*
* Note that a null suffix will be considered as an invalid URI.
* return 1 if valid scheme found, else 0
*/
static gboolean
is_valid_uri (const gchar *name)
{
const gchar *c = name;
g_return_val_if_fail (name != NULL, FALSE);
/* first character must be alpha */
if (! g_ascii_isalpha (*c))
return FALSE;
c++;
while (*c != '\0' && *c != ':')
{
if (! g_ascii_isalnum (*c) && *c != '+' && *c != '-' && *c != '.')
return FALSE;
c++;
}
if (*c == ':')
{
c++;
if (*c != '\0')
return TRUE;
}
return FALSE;
}
gint
main (gint argc,
gchar **argv)
{
GOptionContext *context;
GError *error = NULL;
GdkDisplay *display;
GdkScreen *screen;
GdkWindow *toolbox;
const gchar *startup_id;
gchar *desktop_startup_id = NULL;
GString *file_list = g_string_new (NULL);
init_i18n ();
/* we save the startup_id before calling gtk_init()
because GTK+ will unset it */
startup_id = g_getenv ("DESKTOP_STARTUP_ID");
if (startup_id && *startup_id)
desktop_startup_id = g_strdup (startup_id);
/* parse the command-line options */
context = g_option_context_new ("[FILE|URI...]");
g_option_context_add_main_entries (context, main_entries, NULL);
g_option_context_add_group (context, gtk_get_option_group (TRUE));
if (! g_option_context_parse (context, &argc, &argv, &error))
{
g_printerr ("%s\n", error->message);
g_error_free (error);
exit (EXIT_FAILURE);
}
gtk_init (&argc, &argv);
if (filenames)
{
gchar *cwd = g_get_current_dir ();
gint i;
for (i = 0; filenames[i]; i++)
{
const gchar *name = filenames[i];
gchar *uri;
/* If not already a valid URI */
if (! is_valid_uri (name))
{
if (g_path_is_absolute (name))
{
uri = g_filename_to_uri (name, NULL, NULL);
}
else
{
gchar *abs = g_build_filename (cwd, name, NULL);
uri = g_filename_to_uri (abs, NULL, NULL);
g_free (abs);
}
}
else
{
uri = g_strdup (name);
}
if (uri)
{
if (file_list->len > 0)
file_list = g_string_append_c (file_list, '\n');
file_list = g_string_append (file_list, uri);
g_free (uri);
}
}
g_free (cwd);
}
display = gdk_display_get_default ();
screen = gdk_screen_get_default ();
/* if called without any filenames, always start a new GIMP */
if (file_list->len == 0 && !query && !print_xid && !existing)
{
gimp_remote_launch (screen,
argv[0], desktop_startup_id, no_splash,
file_list);
}
toolbox = gimp_remote_find_toolbox (display, screen);
if (! query && ! print_xid)
{
if (toolbox)
{
if (! gimp_remote_drop_files (display, toolbox, file_list))
return EXIT_FAILURE;
}
else if (! existing)
{
gimp_remote_launch (screen,
argv[0], desktop_startup_id, no_splash,
file_list);
}
}
else if (print_xid && toolbox)
{
gimp_remote_print_id (toolbox);
}
gdk_notify_startup_complete ();
g_option_context_free (context);
g_string_free (file_list, TRUE);
g_free (desktop_startup_id);
return (toolbox ? EXIT_SUCCESS : EXIT_FAILURE);
}