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 #include "ev-debug.h"
  25
  26 #include <glib/gi18n.h>
  27 #include <gdk/gdkx.h>
  28 #include <gtk/gtkmain.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31
  32 #if WITH_GNOME
  33 #include <libgnome/gnome-program.h>
  34 #include <libgnomeui/gnome-ui-init.h>
  35 #include <libgnomeui/gnome-app-helper.h>
  36 #include <libgnomeui/gnome-authentication-manager.h>
  37 #endif
  38
  39 #ifdef ENABLE_DBUS
  40 #include <dbus/dbus-glib-bindings.h>
  41 #endif
  42
  43 #include "ev-stock-icons.h"
  44 #include "ev-job-queue.h"
  45 #include "ev-file-helpers.h"
  46 #include "ev-backends-manager.h"
  47
  48 static gchar   *ev_page_label;
  49 static gchar   *ev_find_string;
  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         { "find", 'l', 0, G_OPTION_ARG_STRING, &ev_find_string, N_("The word or phrase to find in the document"), N_("STRING")},
  64         { "unlink-tempfile", 'u', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &unlink_temp_file, NULL, NULL },
  65         { "print-settings", 't', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME, &print_settings, NULL, NULL },
  66         { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_arguments, NULL, N_("[FILE...]") },
  67         { NULL }
  68 };
  69
  70 static void
  71 value_free (GValue *value)
  72 {
  73         g_value_unset (value);
  74         g_free (value);
  75 }
  76
  77 /**
  78  * arguments_parse:
  79  *
  80  * Parses the arguments and creates a #GHashTable with this data.
  81  *
  82  *  key                 ->  value
  83  *
  84  *  dislay              ->  display at the default screen.
  85  *  screen              ->  screen number.
  86  *  page-label          ->  only if the page label argument has been passed,
  87  *                          the page of the document to display.
  88  *  mode                ->  only if the view mode is one of the availables,
  89  *                          the view mode.
  90  *  unlink-temp-file    ->  only if the view mode is preview mode and
  91  *                          unlink-temp-file has been passed, unlink-temp-file.
  92  *
  93  * Returns: a pointer into #GHashTable with data from the arguments.
  94  */
  95 static GHashTable *
  96 arguments_parse (void)
  97 {
  98         GHashTable      *args;
  99         GValue          *value;
 100         EvWindowRunMode  mode;
 101         GdkScreen       *screen;
 102         GdkDisplay      *display;
 103         const gchar     *display_name;
 104         gint             screen_number;
 105
 106         args = g_hash_table_new_full (g_str_hash,
 107                                       g_str_equal,
 108                                       (GDestroyNotify)g_free,
 109                                       (GDestroyNotify)value_free);
 110
 111         screen = gdk_screen_get_default ();
 112         display = gdk_screen_get_display (screen);
 113
 114         display_name = gdk_display_get_name (display);
 115         screen_number = gdk_screen_get_number (screen);
 116
 117         value = g_new0 (GValue, 1);
 118         g_value_init (value, G_TYPE_STRING);
 119         g_value_set_string (value, display_name);
 120         g_hash_table_insert (args, g_strdup ("display"), value);
 121
 122         value = g_new0 (GValue, 1);
 123         g_value_init (value, G_TYPE_INT);
 124         g_value_set_int (value, screen_number);
 125         g_hash_table_insert (args, g_strdup ("screen"), value);
 126
 127         if (ev_page_label) {
 128                 value = g_new0 (GValue, 1);
 129                 g_value_init (value, G_TYPE_STRING);
 130                 g_value_set_string (value, ev_page_label);
 131
 132                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 133
 134                 g_free (ev_page_label);
 135                 ev_page_label = NULL;
 136         }
 137
 138         if (ev_find_string) {
 139                 value = g_new0 (GValue, 1);
 140                 g_value_init (value, G_TYPE_STRING);
 141                 g_value_set_string (value, ev_find_string);
 142
 143                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 144
 145                 g_free (ev_find_string);
 146                 ev_page_label = NULL;
 147         }
 148
 149         if (fullscren_mode)
 150                 mode = EV_WINDOW_MODE_FULLSCREEN;
 151         else if (presentation_mode)
 152                 mode = EV_WINDOW_MODE_PRESENTATION;
 153         else if (preview_mode)
 154                 mode = EV_WINDOW_MODE_PREVIEW;
 155         else
 156                 return args;
 157
 158         value = g_new0 (GValue, 1);
 159         g_value_init (value, G_TYPE_UINT);
 160         g_value_set_uint (value, mode);
 161
 162         g_hash_table_insert (args, g_strdup ("mode"), value);
 163
 164         if (mode == EV_WINDOW_MODE_PREVIEW && unlink_temp_file) {
 165                 value = g_new0 (GValue, 1);
 166                 g_value_init (value, G_TYPE_BOOLEAN);
 167                 g_value_set_boolean (value, unlink_temp_file);
 168
 169                 g_hash_table_insert (args,
 170                                      g_strdup ("unlink-temp-file"),
 171                                      value);
 172         }
 173
 174         if (mode == EV_WINDOW_MODE_PREVIEW && print_settings) {
 175                 value = g_new0 (GValue, 1);
 176                 g_value_init (value, G_TYPE_STRING);
 177                 g_value_set_string (value, print_settings);
 178
 179                 g_hash_table_insert (args,
 180                                      g_strdup ("print-settings"),
 181                                      value);
 182                 g_free (print_settings);
 183                 print_settings = NULL;
 184         }
 185
 186         return args;
 187 }
 188
 189 static void
 190 load_files (const char **files,
 191             GHashTable  *args)
 192 {
 193         int i;
 194
 195         if (!files) {
 196                 ev_application_open_window (EV_APP, args, GDK_CURRENT_TIME, NULL);
 197                 return;
 198         }
 199
 200         for (i = 0; files[i]; i++) {
 201                 char   *uri;
 202                 char   *label;
 203                 GValue *old = NULL;
 204                 GFile  *file;
 205
 206                 file = g_file_new_for_commandline_arg (files[i]);
 207                 uri = g_file_get_uri (file);
 208                 g_object_unref (file);
 209
 210                 label = strchr (uri, '#');
 211
 212                 if (label) {
 213                         GValue *new;
 214
 215                         *label = 0; label++;
 216
 217                         old = g_hash_table_lookup (args, "page-label");
 218
 219                         new = g_new0 (GValue, 1);
 220                         g_value_init (new, G_TYPE_STRING);
 221                         g_value_set_string (new, label);
 222
 223                         g_hash_table_insert (args, g_strdup ("page-label"), new);
 224
 225                 }
 226
 227                 ev_application_open_uri (EV_APP, uri, args,
 228                                          GDK_CURRENT_TIME, NULL);
 229
 230                 if (old)
 231                         g_hash_table_insert (args, g_strdup ("page-label"), old);
 232
 233                 g_free (uri);
 234         }
 235 }
 236
 237 #ifdef ENABLE_DBUS
 238 static gboolean
 239 load_files_remote (const char **files,
 240                    GHashTable  *args)
 241 {
 242         int i;
 243         GError *error = NULL;
 244         DBusGConnection *connection;
 245         gboolean result = FALSE;
 246         DBusGProxy *remote_object;
 247         GdkDisplay *display;
 248         guint32 timestamp;
 249
 250         display = gdk_display_get_default ();
 251         timestamp = gdk_x11_display_get_user_time (display);
 252         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 253
 254         if (connection == NULL) {
 255                 g_warning (error->message);
 256                 g_error_free (error);
 257
 258                 return FALSE;
 259         }
 260
 261         remote_object = dbus_g_proxy_new_for_name (connection,
 262                                                    "org.gnome.evince.ApplicationService",
 263                                                    "/org/gnome/evince/Evince",
 264                                                    "org.gnome.evince.Application");
 265         if (!files) {
 266                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 267                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 268                                         G_TYPE_UINT, timestamp,
 269                                         G_TYPE_INVALID,
 270                                         G_TYPE_INVALID)) {
 271                         g_warning (error->message);
 272                         g_clear_error (&error);
 273                         g_object_unref (remote_object);
 274                         dbus_g_connection_unref (connection);
 275                         return FALSE;
 276                 }
 277
 278                 g_object_unref (remote_object);
 279                 dbus_g_connection_unref (connection);
 280
 281                 return TRUE;
 282         }
 283
 284         for (i = 0; files[i]; i++) {
 285                 const char *page_label;
 286                 GFile *file;
 287                 char *uri;
 288
 289                 file = g_file_new_for_commandline_arg (files[i]);
 290                 uri = g_file_get_uri (file);
 291                 g_object_unref (file);
 292
 293                 page_label = ev_page_label ? ev_page_label : "";
 294
 295                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 296                                         G_TYPE_STRING, uri,
 297                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 298                                         G_TYPE_UINT, timestamp,
 299                                         G_TYPE_INVALID,
 300                                         G_TYPE_INVALID)) {
 301                         g_warning (error->message);
 302                         g_clear_error (&error);
 303                         g_free (uri);
 304                         continue;
 305                 }
 306
 307                 g_free (uri);
 308                 result = TRUE;
 309         }
 310
 311         g_object_unref (remote_object);
 312         dbus_g_connection_unref (connection);
 313
 314         gdk_notify_startup_complete ();
 315
 316         return result;
 317 }
 318 #endif /* ENABLE_DBUS */
 319
 320 int
 321 main (int argc, char *argv[])
 322 {
 323         gboolean enable_metadata = FALSE;
 324         GOptionContext *context;
 325         GHashTable *args;
 326 #if WITH_GNOME
 327         GnomeProgram *program;
 328 #else
 329         char *accel_filename;
 330         GError *error = NULL;
 331 #endif
 332
 333         context = g_option_context_new (_("GNOME Document Viewer"));
 334
 335 #ifdef ENABLE_NLS
 336         /* Initialize the i18n stuff */
 337         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 338         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 339         textdomain(GETTEXT_PACKAGE);
 340         g_option_context_add_main_entries (context, goption_options, GETTEXT_PACKAGE);
 341         g_option_context_set_translation_domain(context, GETTEXT_PACKAGE);
 342 #else
 343         g_option_context_add_main_entries (context, goption_options, NULL);
 344 #endif
 345
 346 #if WITH_GNOME
 347         program = gnome_program_init (PACKAGE, VERSION,
 348                                       LIBGNOMEUI_MODULE, argc, argv,
 349                                       GNOME_PARAM_GOPTION_CONTEXT, context,
 350                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 351                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 352                                       NULL);
 353 #else
 354         g_option_context_add_group (context, gtk_get_option_group (TRUE));
 355         if (!g_option_context_parse (context, &argc, &argv, &error)) {
 356                 g_warning ("Cannot parse arguments: %s", error->message);
 357                 g_error_free (error);
 358                 return 1;
 359         }
 360         g_option_context_free (context);
 361
 362         accel_filename = g_build_filename (ev_dot_dir (), "accels", NULL);
 363         gtk_accel_map_load (accel_filename);
 364 #endif
 365
 366         args = arguments_parse ();
 367
 368 #ifdef ENABLE_DBUS
 369         if (!ev_application_register_service (EV_APP)) {
 370                 if (load_files_remote (file_arguments, args)) {
 371                         g_hash_table_destroy (args);
 372 #if WITH_GNOME
 373                         g_object_unref (program);
 374 #endif
 375                         return 0;
 376                 }
 377         } else {
 378                 enable_metadata = TRUE;
 379         }
 380 #endif
 381
 382         ev_debug_init ();
 383
 384 #if WITH_GNOME
 385         gnome_authentication_manager_init ();
 386 #endif
 387
 388         ev_backends_manager_init ();
 389
 390         if (enable_metadata) {
 391                 ev_metadata_manager_init ();
 392         }
 393
 394         ev_job_queue_init ();
 395         g_set_application_name (_("Evince Document Viewer"));
 396
 397         ev_file_helpers_init ();
 398         ev_stock_icons_init ();
 399         gtk_window_set_default_icon_name ("evince");
 400
 401         load_files (file_arguments, args);
 402         g_hash_table_destroy (args);
 403
 404         gtk_main ();
 405
 406 #if WITH_GNOME
 407         gnome_accelerators_sync ();
 408 #else
 409         gtk_accel_map_save (accel_filename);
 410         g_free (accel_filename);
 411 #endif
 412
 413         ev_file_helpers_shutdown ();
 414
 415         if (enable_metadata) {
 416                 ev_metadata_manager_shutdown ();
 417         }
 418
 419         ev_backends_manager_shutdown ();
 420
 421 #if WITH_GNOME
 422         g_object_unref (program);
 423 #endif
 424
 425         return 0;
 426 }