shell/main.c

   1 /*
   2  *  Copyright (C) 2004 Marco Pesenti Gritti
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2, or (at your option)
   7  *  any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  *
  18  */
  19
  20 #include "config.h"
  21
  22 #include "ev-application.h"
  23 #include "ev-metadata-manager.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gdk/gdkx.h>
  27 #include <gtk/gtkmain.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #if WITH_GNOME
  32 #include <libgnome/gnome-program.h>
  33 #include <libgnomeui/gnome-ui-init.h>
  34 #include <libgnomeui/gnome-app-helper.h>
  35 #include <libgnomeui/gnome-authentication-manager.h>
  36 #endif
  37
  38 #include <libgnomevfs/gnome-vfs-init.h>
  39 #include <libgnomevfs/gnome-vfs-utils.h>
  40
  41 #ifdef ENABLE_DBUS
  42 #include <dbus/dbus-glib-bindings.h>
  43 #endif
  44
  45 #include "ev-stock-icons.h"
  46 #include "ev-job-queue.h"
  47 #include "ev-file-helpers.h"
  48
  49 static gchar   *ev_page_label;
  50 static gboolean preview_mode = FALSE;
  51 static gboolean fullscren_mode = FALSE;
  52 static gboolean presentation_mode = FALSE;
  53 static gboolean unlink_temp_file = FALSE;
  54 static gchar   *print_settings;
  55 static const char **file_arguments = NULL;
  56
  57 static const GOptionEntry goption_options[] =
  58 {
  59         { "page-label", 'p', 0, G_OPTION_ARG_STRING, &ev_page_label, N_("The page of the document to display."), N_("PAGE")},
  60         { "fullscreen", 'f', 0, G_OPTION_ARG_NONE, &fullscren_mode, N_("Run evince in fullscreen mode"), NULL },
  61         { "presentation", 's', 0, G_OPTION_ARG_NONE, &presentation_mode, N_("Run evince in presentation mode"), NULL },
  62         { "preview", 'w', 0, G_OPTION_ARG_NONE, &preview_mode, N_("Run evince as a previewer"), NULL },
  63         { "unlink-tempfile", 'u', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &unlink_temp_file, NULL, NULL },
  64         { "print-settings", 't', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME, &print_settings, NULL, NULL },
  65         { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_arguments, NULL, N_("[FILE...]") },
  66         { NULL }
  67 };
  68
  69 static void
  70 value_free (GValue *value)
  71 {
  72         g_value_unset (value);
  73         g_free (value);
  74 }
  75
  76 /**
  77  * arguments_parse:
  78  *
  79  * Parses the arguments and creates a #GHashTable with this data.
  80  *
  81  *  key                 ->  value
  82  *
  83  *  dislay              ->  display at the default screen.
  84  *  screen              ->  screen number.
  85  *  page-label          ->  only if the page label argument has been passed,
  86  *                          the page of the document to display.
  87  *  mode                ->  only if the view mode is one of the availables,
  88  *                          the view mode.
  89  *  unlink-temp-file    ->  only if the view mode is preview mode and
  90  *                          unlink-temp-file has been passed, unlink-temp-file.
  91  *
  92  * Returns: a pointer into #GHashTable with data from the arguments.
  93  */
  94 static GHashTable *
  95 arguments_parse (void)
  96 {
  97         GHashTable      *args;
  98         GValue          *value;
  99         EvWindowRunMode  mode;
 100         GdkScreen       *screen;
 101         GdkDisplay      *display;
 102         const gchar     *display_name;
 103         gint             screen_number;
 104
 105         args = g_hash_table_new_full (g_str_hash,
 106                                       g_str_equal,
 107                                       (GDestroyNotify)g_free,
 108                                       (GDestroyNotify)value_free);
 109
 110         screen = gdk_screen_get_default ();
 111         display = gdk_screen_get_display (screen);
 112
 113         display_name = gdk_display_get_name (display);
 114         screen_number = gdk_screen_get_number (screen);
 115
 116         value = g_new0 (GValue, 1);
 117         g_value_init (value, G_TYPE_STRING);
 118         g_value_set_string (value, display_name);
 119         g_hash_table_insert (args, g_strdup ("display"), value);
 120
 121         value = g_new0 (GValue, 1);
 122         g_value_init (value, G_TYPE_INT);
 123         g_value_set_int (value, screen_number);
 124         g_hash_table_insert (args, g_strdup ("screen"), value);
 125
 126         if (ev_page_label) {
 127                 value = g_new0 (GValue, 1);
 128                 g_value_init (value, G_TYPE_STRING);
 129                 g_value_set_string (value, ev_page_label);
 130
 131                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 132
 133                 g_free (ev_page_label);
 134                 ev_page_label = NULL;
 135         }
 136
 137         if (fullscren_mode)
 138                 mode = EV_WINDOW_MODE_FULLSCREEN;
 139         else if (presentation_mode)
 140                 mode = EV_WINDOW_MODE_PRESENTATION;
 141         else if (preview_mode)
 142                 mode = EV_WINDOW_MODE_PREVIEW;
 143         else
 144                 return args;
 145
 146         value = g_new0 (GValue, 1);
 147         g_value_init (value, G_TYPE_UINT);
 148         g_value_set_uint (value, mode);
 149
 150         g_hash_table_insert (args, g_strdup ("mode"), value);
 151
 152         if (mode == EV_WINDOW_MODE_PREVIEW && unlink_temp_file) {
 153                 value = g_new0 (GValue, 1);
 154                 g_value_init (value, G_TYPE_BOOLEAN);
 155                 g_value_set_boolean (value, unlink_temp_file);
 156
 157                 g_hash_table_insert (args,
 158                                      g_strdup ("unlink-temp-file"),
 159                                      value);
 160         }
 161
 162         if (mode == EV_WINDOW_MODE_PREVIEW && print_settings) {
 163                 value = g_new0 (GValue, 1);
 164                 g_value_init (value, G_TYPE_STRING);
 165                 g_value_set_string (value, print_settings);
 166
 167                 g_hash_table_insert (args,
 168                                      g_strdup ("print-settings"),
 169                                      value);
 170                 g_free (print_settings);
 171                 print_settings = NULL;
 172         }
 173
 174         return args;
 175 }
 176
 177 static void
 178 load_files (const char **files,
 179             GHashTable  *args)
 180 {
 181         int i;
 182
 183         if (!files) {
 184                 ev_application_open_window (EV_APP, args, GDK_CURRENT_TIME, NULL);
 185                 return;
 186         }
 187
 188         for (i = 0; files[i]; i++) {
 189                 char   *uri;
 190                 char   *label;
 191                 GValue *old = NULL;
 192
 193                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
 194
 195                 label = strchr (uri, GNOME_VFS_URI_MAGIC_CHR);
 196
 197                 if (label) {
 198                         GValue *new;
 199
 200                         *label = 0; label++;
 201
 202                         old = g_hash_table_lookup (args, "page-label");
 203
 204                         new = g_new0 (GValue, 1);
 205                         g_value_init (new, G_TYPE_STRING);
 206                         g_value_set_string (new, label);
 207
 208                         g_hash_table_insert (args, g_strdup ("page-label"), new);
 209
 210                 }
 211
 212                 ev_application_open_uri (EV_APP, uri, args,
 213                                          GDK_CURRENT_TIME, NULL);
 214
 215                 if (old)
 216                         g_hash_table_insert (args, g_strdup ("page-label"), old);
 217
 218                 g_free (uri);
 219         }
 220 }
 221
 222 #ifdef ENABLE_DBUS
 223 static gboolean
 224 load_files_remote (const char **files,
 225                    GHashTable  *args)
 226 {
 227         int i;
 228         GError *error = NULL;
 229         DBusGConnection *connection;
 230         gboolean result = FALSE;
 231         DBusGProxy *remote_object;
 232         GdkDisplay *display;
 233         guint32 timestamp;
 234
 235         display = gdk_display_get_default ();
 236         timestamp = gdk_x11_display_get_user_time (display);
 237         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 238
 239         if (connection == NULL) {
 240                 g_warning (error->message);
 241                 g_error_free (error);
 242
 243                 return FALSE;
 244         }
 245
 246         remote_object = dbus_g_proxy_new_for_name (connection,
 247                                                    "org.gnome.evince.ApplicationService",
 248                                                    "/org/gnome/evince/Evince",
 249                                                    "org.gnome.evince.Application");
 250         if (!files) {
 251                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 252                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 253                                         G_TYPE_UINT, timestamp,
 254                                         G_TYPE_INVALID,
 255                                         G_TYPE_INVALID)) {
 256                         g_warning (error->message);
 257                         g_clear_error (&error);
 258                         g_object_unref (remote_object);
 259                         dbus_g_connection_unref (connection);
 260                         return FALSE;
 261                 }
 262
 263                 g_object_unref (remote_object);
 264                 dbus_g_connection_unref (connection);
 265
 266                 return TRUE;
 267         }
 268
 269         for (i = 0; files[i]; i++) {
 270                 const char *page_label;
 271                 char *uri;
 272
 273                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
 274                 page_label = ev_page_label ? ev_page_label : "";
 275
 276                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 277                                         G_TYPE_STRING, uri,
 278                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 279                                         G_TYPE_UINT, timestamp,
 280                                         G_TYPE_INVALID,
 281                                         G_TYPE_INVALID)) {
 282                         g_warning (error->message);
 283                         g_clear_error (&error);
 284                         g_free (uri);
 285                         continue;
 286                 }
 287
 288                 g_free (uri);
 289                 result = TRUE;
 290         }
 291
 292         g_object_unref (remote_object);
 293         dbus_g_connection_unref (connection);
 294
 295         gdk_notify_startup_complete ();
 296
 297         return result;
 298 }
 299 #endif /* ENABLE_DBUS */
 300
 301 int
 302 main (int argc, char *argv[])
 303 {
 304         gboolean enable_metadata = FALSE;
 305         GOptionContext *context;
 306         GHashTable *args;
 307 #if WITH_GNOME
 308         GnomeProgram *program;
 309 #else
 310         char *accel_filename;
 311         GError *error = NULL;
 312 #endif
 313
 314         context = g_option_context_new (_("GNOME Document Viewer"));
 315
 316 #ifdef ENABLE_NLS
 317         /* Initialize the i18n stuff */
 318         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 319         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 320         textdomain(GETTEXT_PACKAGE);
 321         g_option_context_add_main_entries (context, goption_options, GETTEXT_PACKAGE);
 322 #else
 323         g_option_context_add_main_entries (context, goption_options, NULL);
 324 #endif
 325
 326 #if WITH_GNOME
 327         program = gnome_program_init (PACKAGE, VERSION,
 328                                       LIBGNOMEUI_MODULE, argc, argv,
 329                                       GNOME_PARAM_GOPTION_CONTEXT, context,
 330                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 331                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 332                                       NULL);
 333 #else
 334         g_option_context_add_group (context, gtk_get_option_group (TRUE));
 335         if (!g_option_context_parse (context, &argc, &argv, &error)) {
 336                 g_warning ("Cannot parse arguments: %s", error->message);
 337                 g_error_free (error);
 338                 return 1;
 339         }
 340         g_option_context_free (context);
 341
 342         gnome_vfs_init ();
 343
 344         accel_filename = g_build_filename (ev_dot_dir (), "accels", NULL);
 345         gtk_accel_map_load (accel_filename);
 346 #endif
 347
 348         args = arguments_parse ();
 349
 350 #ifdef ENABLE_DBUS
 351         if (!ev_application_register_service (EV_APP)) {
 352                 if (load_files_remote (file_arguments, args)) {
 353                         g_hash_table_destroy (args);
 354 #if WITH_GNOME
 355                         g_object_unref (program);
 356 #endif
 357                         return 0;
 358                 }
 359         } else {
 360                 enable_metadata = TRUE;
 361         }
 362 #endif
 363
 364 #if WITH_GNOME
 365         gnome_authentication_manager_init ();
 366 #endif
 367
 368         if (enable_metadata) {
 369                 ev_metadata_manager_init ();
 370         }
 371
 372         ev_job_queue_init ();
 373         g_set_application_name (_("Evince Document Viewer"));
 374
 375         ev_file_helpers_init ();
 376         ev_stock_icons_init ();
 377         gtk_window_set_default_icon_name ("evince");
 378
 379         load_files (file_arguments, args);
 380         g_hash_table_destroy (args);
 381
 382         gtk_main ();
 383
 384 #if WITH_GNOME
 385         gnome_accelerators_sync ();
 386 #else
 387         gtk_accel_map_save (accel_filename);
 388         g_free (accel_filename);
 389 #endif
 390
 391         ev_file_helpers_shutdown ();
 392
 393         if (enable_metadata) {
 394                 ev_metadata_manager_shutdown ();
 395         }
 396
 397 #if WITH_GNOME
 398         g_object_unref (program);
 399 #endif
 400
 401         return 0;
 402 }