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-file-helpers.h"
  45 #include "ev-backends-manager.h"
  46
  47 static gchar   *ev_page_label;
  48 static gchar   *ev_find_string;
  49 static gboolean preview_mode = FALSE;
  50 static gboolean fullscren_mode = FALSE;
  51 static gboolean presentation_mode = FALSE;
  52 static gboolean unlink_temp_file = FALSE;
  53 static gchar   *print_settings;
  54 static const char **file_arguments = NULL;
  55
  56 static const GOptionEntry goption_options[] =
  57 {
  58         { "page-label", 'p', 0, G_OPTION_ARG_STRING, &ev_page_label, N_("The page of the document to display."), N_("PAGE")},
  59         { "fullscreen", 'f', 0, G_OPTION_ARG_NONE, &fullscren_mode, N_("Run evince in fullscreen mode"), NULL },
  60         { "presentation", 's', 0, G_OPTION_ARG_NONE, &presentation_mode, N_("Run evince in presentation mode"), NULL },
  61         { "preview", 'w', 0, G_OPTION_ARG_NONE, &preview_mode, N_("Run evince as a previewer"), NULL },
  62         { "find", 'l', 0, G_OPTION_ARG_STRING, &ev_find_string, N_("The word or phrase to find in the document"), N_("STRING")},
  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 (ev_find_string) {
 138                 value = g_new0 (GValue, 1);
 139                 g_value_init (value, G_TYPE_STRING);
 140                 g_value_set_string (value, ev_find_string);
 141
 142                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 143
 144                 g_free (ev_find_string);
 145                 ev_page_label = NULL;
 146         }
 147
 148         if (fullscren_mode)
 149                 mode = EV_WINDOW_MODE_FULLSCREEN;
 150         else if (presentation_mode)
 151                 mode = EV_WINDOW_MODE_PRESENTATION;
 152         else if (preview_mode)
 153                 mode = EV_WINDOW_MODE_PREVIEW;
 154         else
 155                 return args;
 156
 157         value = g_new0 (GValue, 1);
 158         g_value_init (value, G_TYPE_UINT);
 159         g_value_set_uint (value, mode);
 160
 161         g_hash_table_insert (args, g_strdup ("mode"), value);
 162
 163         if (mode == EV_WINDOW_MODE_PREVIEW && unlink_temp_file) {
 164                 value = g_new0 (GValue, 1);
 165                 g_value_init (value, G_TYPE_BOOLEAN);
 166                 g_value_set_boolean (value, unlink_temp_file);
 167
 168                 g_hash_table_insert (args,
 169                                      g_strdup ("unlink-temp-file"),
 170                                      value);
 171         }
 172
 173         if (mode == EV_WINDOW_MODE_PREVIEW && print_settings) {
 174                 value = g_new0 (GValue, 1);
 175                 g_value_init (value, G_TYPE_STRING);
 176                 g_value_set_string (value, print_settings);
 177
 178                 g_hash_table_insert (args,
 179                                      g_strdup ("print-settings"),
 180                                      value);
 181                 g_free (print_settings);
 182                 print_settings = NULL;
 183         }
 184
 185         return args;
 186 }
 187
 188 static void
 189 load_files (const char **files,
 190             GHashTable  *args)
 191 {
 192         int i;
 193
 194         if (!files) {
 195                 ev_application_open_window (EV_APP, args, GDK_CURRENT_TIME, NULL);
 196                 return;
 197         }
 198
 199         for (i = 0; files[i]; i++) {
 200                 char   *uri;
 201                 char   *label;
 202                 GValue *old = NULL;
 203                 GFile  *file;
 204
 205                 file = g_file_new_for_commandline_arg (files[i]);
 206                 uri = g_file_get_uri (file);
 207                 g_object_unref (file);
 208
 209                 label = strchr (uri, '#');
 210
 211                 if (label) {
 212                         GValue *new;
 213
 214                         *label = 0; label++;
 215
 216                         old = g_hash_table_lookup (args, "page-label");
 217
 218                         new = g_new0 (GValue, 1);
 219                         g_value_init (new, G_TYPE_STRING);
 220                         g_value_set_string (new, label);
 221
 222                         g_hash_table_insert (args, g_strdup ("page-label"), new);
 223
 224                 }
 225
 226                 ev_application_open_uri (EV_APP, uri, args,
 227                                          GDK_CURRENT_TIME, NULL);
 228
 229                 if (old)
 230                         g_hash_table_insert (args, g_strdup ("page-label"), old);
 231
 232                 g_free (uri);
 233         }
 234 }
 235
 236 #ifdef ENABLE_DBUS
 237 static gboolean
 238 load_files_remote (const char **files,
 239                    GHashTable  *args)
 240 {
 241         int i;
 242         GError *error = NULL;
 243         DBusGConnection *connection;
 244         gboolean result = FALSE;
 245         DBusGProxy *remote_object;
 246         GdkDisplay *display;
 247         guint32 timestamp;
 248
 249         display = gdk_display_get_default ();
 250         timestamp = gdk_x11_display_get_user_time (display);
 251         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 252
 253         if (connection == NULL) {
 254                 g_warning ("%s", error->message);
 255                 g_error_free (error);
 256
 257                 return FALSE;
 258         }
 259
 260         remote_object = dbus_g_proxy_new_for_name (connection,
 261                                                    "org.gnome.evince.ApplicationService",
 262                                                    "/org/gnome/evince/Evince",
 263                                                    "org.gnome.evince.Application");
 264         if (!files) {
 265                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 266                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 267                                         G_TYPE_UINT, timestamp,
 268                                         G_TYPE_INVALID,
 269                                         G_TYPE_INVALID)) {
 270                         g_warning ("%s", error->message);
 271                         g_clear_error (&error);
 272                         g_object_unref (remote_object);
 273                         dbus_g_connection_unref (connection);
 274                         return FALSE;
 275                 }
 276
 277                 g_object_unref (remote_object);
 278                 dbus_g_connection_unref (connection);
 279
 280                 return TRUE;
 281         }
 282
 283         for (i = 0; files[i]; i++) {
 284                 const char *page_label;
 285                 GFile *file;
 286                 char *uri;
 287
 288                 file = g_file_new_for_commandline_arg (files[i]);
 289                 uri = g_file_get_uri (file);
 290                 g_object_unref (file);
 291
 292                 page_label = ev_page_label ? ev_page_label : "";
 293
 294                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 295                                         G_TYPE_STRING, uri,
 296                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 297                                         G_TYPE_UINT, timestamp,
 298                                         G_TYPE_INVALID,
 299                                         G_TYPE_INVALID)) {
 300                         g_warning ("%s", error->message);
 301                         g_clear_error (&error);
 302                         g_free (uri);
 303                         continue;
 304                 }
 305
 306                 g_free (uri);
 307                 result = TRUE;
 308         }
 309
 310         g_object_unref (remote_object);
 311         dbus_g_connection_unref (connection);
 312
 313         gdk_notify_startup_complete ();
 314
 315         return result;
 316 }
 317 #endif /* ENABLE_DBUS */
 318
 319 int
 320 main (int argc, char *argv[])
 321 {
 322         gboolean enable_metadata = FALSE;
 323         GOptionContext *context;
 324         GHashTable *args;
 325 #if WITH_GNOME
 326         GnomeProgram *program;
 327 #else
 328         char *accel_filename;
 329         GError *error = NULL;
 330 #endif
 331
 332         context = g_option_context_new (_("GNOME Document Viewer"));
 333
 334 #ifdef ENABLE_NLS
 335         /* Initialize the i18n stuff */
 336         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 337         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 338         textdomain(GETTEXT_PACKAGE);
 339         g_option_context_add_main_entries (context, goption_options, GETTEXT_PACKAGE);
 340         g_option_context_set_translation_domain(context, GETTEXT_PACKAGE);
 341 #else
 342         g_option_context_add_main_entries (context, goption_options, NULL);
 343 #endif
 344
 345 #if WITH_GNOME
 346         program = gnome_program_init (PACKAGE, VERSION,
 347                                       LIBGNOMEUI_MODULE, argc, argv,
 348                                       GNOME_PARAM_GOPTION_CONTEXT, context,
 349                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 350                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 351                                       NULL);
 352 #else
 353         g_option_context_add_group (context, gtk_get_option_group (TRUE));
 354         if (!g_option_context_parse (context, &argc, &argv, &error)) {
 355                 g_warning ("Cannot parse arguments: %s", error->message);
 356                 g_error_free (error);
 357                 return 1;
 358         }
 359         g_option_context_free (context);
 360
 361         accel_filename = g_build_filename (ev_dot_dir (), "accels", NULL);
 362         gtk_accel_map_load (accel_filename);
 363 #endif
 364
 365         args = arguments_parse ();
 366
 367 #ifdef ENABLE_DBUS
 368         if (!ev_application_register_service (EV_APP)) {
 369                 if (load_files_remote (file_arguments, args)) {
 370                         g_hash_table_destroy (args);
 371 #if WITH_GNOME
 372                         g_object_unref (program);
 373 #endif
 374                         return 0;
 375                 }
 376         } else {
 377                 enable_metadata = TRUE;
 378         }
 379 #endif
 380
 381         ev_debug_init ();
 382
 383 #if WITH_GNOME
 384         gnome_authentication_manager_init ();
 385 #endif
 386
 387         ev_backends_manager_init ();
 388
 389         if (enable_metadata) {
 390                 ev_metadata_manager_init ();
 391         }
 392
 393         g_set_application_name (_("Evince Document Viewer"));
 394
 395         ev_file_helpers_init ();
 396         ev_stock_icons_init ();
 397         gtk_window_set_default_icon_name ("evince");
 398
 399         load_files (file_arguments, args);
 400         g_hash_table_destroy (args);
 401
 402         gtk_main ();
 403
 404 #if WITH_GNOME
 405         gnome_accelerators_sync ();
 406 #else
 407         gtk_accel_map_save (accel_filename);
 408         g_free (accel_filename);
 409 #endif
 410
 411         ev_file_helpers_shutdown ();
 412
 413         if (enable_metadata) {
 414                 ev_metadata_manager_shutdown ();
 415         }
 416
 417         ev_backends_manager_shutdown ();
 418
 419         ev_debug_shutdown ();
 420
 421 #if WITH_GNOME
 422         g_object_unref (program);
 423 #endif
 424
 425         return 0;
 426 }