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 <stdlib.h>
  23 #include <string.h>
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <gdk/gdkx.h>
  28
  29 #if WITH_GNOME
  30 #include <libgnome/gnome-program.h>
  31 #include <libgnomeui/gnome-ui-init.h>
  32 #include <libgnomeui/gnome-app-helper.h>
  33 #endif
  34
  35 #ifdef ENABLE_DBUS
  36 #include <dbus/dbus-glib-bindings.h>
  37 #endif
  38
  39 #include "ev-application.h"
  40 #include "ev-backends-manager.h"
  41 #include "ev-debug.h"
  42 #include "ev-file-helpers.h"
  43 #include "ev-metadata-manager.h"
  44 #include "ev-stock-icons.h"
  45
  46 static gchar   *ev_page_label;
  47 static gchar   *ev_find_string;
  48 static gboolean preview_mode = FALSE;
  49 static gboolean fullscren_mode = FALSE;
  50 static gboolean presentation_mode = FALSE;
  51 static gboolean unlink_temp_file = FALSE;
  52 static gchar   *print_settings;
  53 static const char **file_arguments = NULL;
  54
  55 static const GOptionEntry goption_options[] =
  56 {
  57         { "page-label", 'p', 0, G_OPTION_ARG_STRING, &ev_page_label, N_("The page of the document to display."), N_("PAGE")},
  58         { "fullscreen", 'f', 0, G_OPTION_ARG_NONE, &fullscren_mode, N_("Run evince in fullscreen mode"), NULL },
  59         { "presentation", 's', 0, G_OPTION_ARG_NONE, &presentation_mode, N_("Run evince in presentation mode"), NULL },
  60         { "preview", 'w', 0, G_OPTION_ARG_NONE, &preview_mode, N_("Run evince as a previewer"), NULL },
  61         { "find", 'l', 0, G_OPTION_ARG_STRING, &ev_find_string, N_("The word or phrase to find in the document"), N_("STRING")},
  62         { "unlink-tempfile", 'u', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &unlink_temp_file, NULL, NULL },
  63         { "print-settings", 't', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME, &print_settings, NULL, NULL },
  64         { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_arguments, NULL, N_("[FILE...]") },
  65         { NULL }
  66 };
  67
  68 static void
  69 value_free (GValue *value)
  70 {
  71         g_value_unset (value);
  72         g_free (value);
  73 }
  74
  75 /**
  76  * arguments_parse:
  77  *
  78  * Parses the arguments and creates a #GHashTable with this data.
  79  *
  80  *  key                 ->  value
  81  *
  82  *  dislay              ->  display at the default screen.
  83  *  screen              ->  screen number.
  84  *  page-label          ->  only if the page label argument has been passed,
  85  *                          the page of the document to display.
  86  *  mode                ->  only if the view mode is one of the availables,
  87  *                          the view mode.
  88  *  unlink-temp-file    ->  only if the view mode is preview mode and
  89  *                          unlink-temp-file has been passed, unlink-temp-file.
  90  *
  91  * Returns: a pointer into #GHashTable with data from the arguments.
  92  */
  93 static GHashTable *
  94 arguments_parse (void)
  95 {
  96         GHashTable      *args;
  97         GValue          *value;
  98         EvWindowRunMode  mode;
  99         GdkScreen       *screen;
 100         GdkDisplay      *display;
 101         const gchar     *display_name;
 102         gint             screen_number;
 103
 104         args = g_hash_table_new_full (g_str_hash,
 105                                       g_str_equal,
 106                                       (GDestroyNotify)g_free,
 107                                       (GDestroyNotify)value_free);
 108
 109         screen = gdk_screen_get_default ();
 110         display = gdk_screen_get_display (screen);
 111
 112         display_name = gdk_display_get_name (display);
 113         screen_number = gdk_screen_get_number (screen);
 114
 115         value = g_new0 (GValue, 1);
 116         g_value_init (value, G_TYPE_STRING);
 117         g_value_set_string (value, display_name);
 118         g_hash_table_insert (args, g_strdup ("display"), value);
 119
 120         value = g_new0 (GValue, 1);
 121         g_value_init (value, G_TYPE_INT);
 122         g_value_set_int (value, screen_number);
 123         g_hash_table_insert (args, g_strdup ("screen"), value);
 124
 125         if (ev_page_label) {
 126                 value = g_new0 (GValue, 1);
 127                 g_value_init (value, G_TYPE_STRING);
 128                 g_value_set_string (value, ev_page_label);
 129
 130                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 131
 132                 g_free (ev_page_label);
 133                 ev_page_label = NULL;
 134         }
 135
 136         if (ev_find_string) {
 137                 value = g_new0 (GValue, 1);
 138                 g_value_init (value, G_TYPE_STRING);
 139                 g_value_set_string (value, ev_find_string);
 140
 141                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 142
 143                 g_free (ev_find_string);
 144                 ev_page_label = NULL;
 145         }
 146
 147         if (fullscren_mode)
 148                 mode = EV_WINDOW_MODE_FULLSCREEN;
 149         else if (presentation_mode)
 150                 mode = EV_WINDOW_MODE_PRESENTATION;
 151         else if (preview_mode)
 152                 mode = EV_WINDOW_MODE_PREVIEW;
 153         else
 154                 return args;
 155
 156         value = g_new0 (GValue, 1);
 157         g_value_init (value, G_TYPE_UINT);
 158         g_value_set_uint (value, mode);
 159
 160         g_hash_table_insert (args, g_strdup ("mode"), value);
 161
 162         if (mode == EV_WINDOW_MODE_PREVIEW && unlink_temp_file) {
 163                 value = g_new0 (GValue, 1);
 164                 g_value_init (value, G_TYPE_BOOLEAN);
 165                 g_value_set_boolean (value, unlink_temp_file);
 166
 167                 g_hash_table_insert (args,
 168                                      g_strdup ("unlink-temp-file"),
 169                                      value);
 170         }
 171
 172         if (mode == EV_WINDOW_MODE_PREVIEW && print_settings) {
 173                 value = g_new0 (GValue, 1);
 174                 g_value_init (value, G_TYPE_STRING);
 175                 g_value_set_string (value, print_settings);
 176
 177                 g_hash_table_insert (args,
 178                                      g_strdup ("print-settings"),
 179                                      value);
 180                 g_free (print_settings);
 181                 print_settings = NULL;
 182         }
 183
 184         return args;
 185 }
 186
 187 static void
 188 load_files (const char **files,
 189             GHashTable  *args)
 190 {
 191         int i;
 192
 193         if (!files) {
 194                 ev_application_open_window (EV_APP, args, GDK_CURRENT_TIME, NULL);
 195                 return;
 196         }
 197
 198         for (i = 0; files[i]; i++) {
 199                 char   *uri;
 200                 char   *label;
 201                 GValue *old = NULL;
 202                 GFile  *file;
 203
 204                 file = g_file_new_for_commandline_arg (files[i]);
 205                 uri = g_file_get_uri (file);
 206                 g_object_unref (file);
 207
 208                 label = strchr (uri, '#');
 209
 210                 if (label) {
 211                         GValue *new;
 212
 213                         *label = 0; label++;
 214
 215                         old = g_hash_table_lookup (args, "page-label");
 216
 217                         new = g_new0 (GValue, 1);
 218                         g_value_init (new, G_TYPE_STRING);
 219                         g_value_set_string (new, label);
 220
 221                         g_hash_table_insert (args, g_strdup ("page-label"), new);
 222
 223                 }
 224
 225                 ev_application_open_uri (EV_APP, uri, args,
 226                                          GDK_CURRENT_TIME, NULL);
 227
 228                 if (old)
 229                         g_hash_table_insert (args, g_strdup ("page-label"), old);
 230
 231                 g_free (uri);
 232         }
 233 }
 234
 235 #ifdef ENABLE_DBUS
 236 static gboolean
 237 load_files_remote (const char **files,
 238                    GHashTable  *args)
 239 {
 240         int i;
 241         GError *error = NULL;
 242         DBusGConnection *connection;
 243         gboolean result = FALSE;
 244         DBusGProxy *remote_object;
 245         GdkDisplay *display;
 246         guint32 timestamp;
 247
 248         display = gdk_display_get_default ();
 249         timestamp = gdk_x11_display_get_user_time (display);
 250         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 251
 252         if (connection == NULL) {
 253                 g_warning ("%s", error->message);
 254                 g_error_free (error);
 255
 256                 return FALSE;
 257         }
 258
 259         remote_object = dbus_g_proxy_new_for_name (connection,
 260                                                    "org.gnome.evince.ApplicationService",
 261                                                    "/org/gnome/evince/Evince",
 262                                                    "org.gnome.evince.Application");
 263         if (!files) {
 264                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 265                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 266                                         G_TYPE_UINT, timestamp,
 267                                         G_TYPE_INVALID,
 268                                         G_TYPE_INVALID)) {
 269                         g_warning ("%s", error->message);
 270                         g_clear_error (&error);
 271                         g_object_unref (remote_object);
 272                         dbus_g_connection_unref (connection);
 273                         return FALSE;
 274                 }
 275
 276                 g_object_unref (remote_object);
 277                 dbus_g_connection_unref (connection);
 278
 279                 return TRUE;
 280         }
 281
 282         for (i = 0; files[i]; i++) {
 283                 const char *page_label;
 284                 GFile *file;
 285                 char *uri;
 286
 287                 file = g_file_new_for_commandline_arg (files[i]);
 288                 uri = g_file_get_uri (file);
 289                 g_object_unref (file);
 290
 291                 page_label = ev_page_label ? ev_page_label : "";
 292
 293                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 294                                         G_TYPE_STRING, uri,
 295                                         dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 296                                         G_TYPE_UINT, timestamp,
 297                                         G_TYPE_INVALID,
 298                                         G_TYPE_INVALID)) {
 299                         g_warning ("%s", error->message);
 300                         g_clear_error (&error);
 301                         g_free (uri);
 302                         continue;
 303                 }
 304
 305                 g_free (uri);
 306                 result = TRUE;
 307         }
 308
 309         g_object_unref (remote_object);
 310         dbus_g_connection_unref (connection);
 311
 312         gdk_notify_startup_complete ();
 313
 314         return result;
 315 }
 316 #endif /* ENABLE_DBUS */
 317
 318 int
 319 main (int argc, char *argv[])
 320 {
 321         gboolean enable_metadata = FALSE;
 322         GOptionContext *context;
 323         GHashTable *args;
 324 #if WITH_GNOME
 325         GnomeProgram *program;
 326 #else
 327         char *accel_filename;
 328         GError *error = NULL;
 329 #endif
 330
 331         context = g_option_context_new (_("GNOME Document Viewer"));
 332
 333 #ifdef ENABLE_NLS
 334         /* Initialize the i18n stuff */
 335         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 336         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 337         textdomain(GETTEXT_PACKAGE);
 338         g_option_context_add_main_entries (context, goption_options, GETTEXT_PACKAGE);
 339         g_option_context_set_translation_domain(context, GETTEXT_PACKAGE);
 340 #else
 341         g_option_context_add_main_entries (context, goption_options, NULL);
 342 #endif
 343
 344 #if WITH_GNOME
 345         program = gnome_program_init (PACKAGE, VERSION,
 346                                       LIBGNOMEUI_MODULE, argc, argv,
 347                                       GNOME_PARAM_GOPTION_CONTEXT, context,
 348                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 349                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 350                                       NULL);
 351 #else
 352         g_option_context_add_group (context, gtk_get_option_group (TRUE));
 353         if (!g_option_context_parse (context, &argc, &argv, &error)) {
 354                 g_warning ("Cannot parse arguments: %s", error->message);
 355                 g_error_free (error);
 356                 return 1;
 357         }
 358         g_option_context_free (context);
 359
 360         accel_filename = g_build_filename (ev_dot_dir (), "accels", NULL);
 361         gtk_accel_map_load (accel_filename);
 362 #endif
 363
 364         args = arguments_parse ();
 365
 366 #ifdef ENABLE_DBUS
 367         if (!ev_application_register_service (EV_APP)) {
 368                 if (load_files_remote (file_arguments, args)) {
 369                         g_hash_table_destroy (args);
 370 #if WITH_GNOME
 371                         g_object_unref (program);
 372 #endif
 373                         return 0;
 374                 }
 375         } else {
 376                 enable_metadata = TRUE;
 377         }
 378 #endif
 379
 380         ev_debug_init ();
 381         ev_backends_manager_init ();
 382
 383         if (enable_metadata) {
 384                 ev_metadata_manager_init ();
 385         }
 386
 387         g_set_application_name (_("Evince Document Viewer"));
 388
 389         ev_file_helpers_init ();
 390         ev_stock_icons_init ();
 391         gtk_window_set_default_icon_name ("evince");
 392
 393         load_files (file_arguments, args);
 394         g_hash_table_destroy (args);
 395
 396         gtk_main ();
 397
 398 #if WITH_GNOME
 399         gnome_accelerators_sync ();
 400 #else
 401         gtk_accel_map_save (accel_filename);
 402         g_free (accel_filename);
 403 #endif
 404
 405         ev_file_helpers_shutdown ();
 406
 407         if (enable_metadata) {
 408                 ev_metadata_manager_shutdown ();
 409         }
 410
 411         ev_backends_manager_shutdown ();
 412
 413         ev_debug_shutdown ();
 414
 415 #if WITH_GNOME
 416         g_object_unref (program);
 417 #endif
 418
 419         return 0;
 420 }