shell/ev-window.c

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2004 Martin Kretzschmar
   4  *
   5  *  Author:
   6  *    Martin Kretzschmar <martink@gnome.org>
   7  *
   8  * Evince is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Evince is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "ev-window.h"
  28
  29 #include <glib.h>
  30 #include <glib-object.h>
  31 #include <glib/gi18n.h>
  32 #include <gtk/gtkaboutdialog.h>
  33 #include <gtk/gtkaccelgroup.h>
  34 #include <gtk/gtkactiongroup.h>
  35 #include <gtk/gtkmain.h>
  36 #include <gtk/gtkmenuitem.h>
  37 #include <gtk/gtkstatusbar.h>
  38 #include <gtk/gtkstock.h>
  39 #include <gtk/gtktoggleaction.h>
  40 #include <gtk/gtkuimanager.h>
  41 #include <gtk/gtkvbox.h>
  42 #include <libbonoboui.h>
  43 #include <libgnomevfs/gnome-vfs-mime-utils.h>
  44
  45 #include <string.h>
  46
  47 #include <ev-macros.h>
  48 #include <ev-stock-icons.h>
  49
  50 #include "ev-application.h"
  51
  52 enum {
  53         PROP_0,
  54         PROP_ATTRIBUTE
  55 };
  56
  57 enum {
  58         SIGNAL,
  59         N_SIGNALS
  60 };
  61
  62 struct _EvWindowPrivate {
  63         GtkWidget *main_box;
  64         GtkWidget *bonobo_widget;
  65         GtkUIManager *ui_manager;
  66         GtkWidget *statusbar;
  67         guint help_message_cid;
  68 };
  69
  70 #if 0
  71 /* enable these to add support for signals */
  72 static guint ev_window_signals [N_SIGNALS] = { 0 };
  73 #endif
  74
  75 G_DEFINE_TYPE (EvWindow, ev_window, GTK_TYPE_WINDOW)
  76
  77 #define EV_WINDOW_GET_PRIVATE(object) \
  78         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_WINDOW, EvWindowPrivate))
  79
  80 #if 0
  81 const char *
  82 ev_window_get_attribute (EvWindow *self)
  83 {
  84         g_return_val_if_fail (self != NULL && EV_IS_WINDOW (self), NULL);
  85
  86         return self->priv->attribute;
  87 }
  88
  89 void
  90 ev_window_set_attribute (EvWindow* self, const char *attribute)
  91 {
  92         g_assert (self != NULL && EV_IS_WINDOW (self));
  93         g_assert (attribute != NULL);
  94
  95         if (self->priv->attribute != NULL) {
  96                 g_free (self->priv->attribute);
  97         }
  98
  99         self->priv->attribute = g_strdup (attribute);
 100
 101         g_object_notify (G_OBJECT (self), "attribute");
 102 }
 103
 104 static void
 105 ev_window_get_property (GObject *object, guint prop_id, GValue *value,
 106                         GParamSpec *param_spec)
 107 {
 108         EvWindow *self;
 109
 110         self = EV_WINDOW (object);
 111
 112         switch (prop_id) {
 113         case PROP_ATTRIBUTE:
 114                 g_value_set_string (value, self->priv->attribute);
 115                 break;
 116         default:
 117                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 118                                                    prop_id,
 119                                                    param_spec);
 120                 break;
 121         }
 122 }
 123
 124 static void
 125 ev_window_set_property (GObject *object, guint prop_id, const GValue *value,
 126                         GParamSpec *param_spec)
 127 {
 128         EvWindow *self;
 129
 130         self = EV_WINDOW (object);
 131
 132         switch (prop_id) {
 133         case PROP_ATTRIBUTE:
 134                 ev_window_set_attribute (self, g_value_get_string (value));
 135                 break;
 136         default:
 137                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 138                                                    prop_id,
 139                                                    param_spec);
 140                 break;
 141         }
 142 }
 143 #endif
 144
 145 gboolean
 146 ev_window_is_empty (const EvWindow *ev_window)
 147 {
 148         g_return_val_if_fail (EV_IS_WINDOW (ev_window), FALSE);
 149
 150         return ev_window->priv->bonobo_widget == NULL;
 151 }
 152
 153 void
 154 ev_window_open (EvWindow *ev_window, const char *uri)
 155 {
 156 #if 0
 157         char *mime_type;
 158         BonoboObject *bonobo_control;
 159         CORBA_Environment ev;
 160         Bonobo_PersistFile pf;
 161
 162         mime_type = gnome_vfs_get_mime_type (uri);
 163
 164         g_return_if_fail (mime_type != NULL); /* FIXME set error */
 165
 166         if (!strcmp (mime_type, "application/pdf")) {
 167                 bonobo_control = create_gpdf_control ();
 168         } else if (!strcmp (mime_type, "application/postscript")) {
 169                 bonobo_control = create_ggv_control ();
 170         } else if (!strcmp (mime_type, "application/x-gzip")) {
 171                 g_message ("Cannot open gzip-compressed file %s.", uri);
 172                 goto finally;
 173         } else if (!strcmp (mime_type, "application/x-bzip")) {
 174                 g_message ("Cannot open bzip2-compressed file %s.", uri);
 175                 goto finally;
 176         } else {
 177                 g_warning ("Don't know how to open %s file %s.",
 178                            mime_type, uri); /* FIXME set error */
 179                 goto finally;
 180         }
 181
 182         ev_window->priv->bonobo_widget = bonobo_widget_new_control_from_objref (
 183                 bonobo_object_corba_objref (bonobo_control), CORBA_OBJECT_NIL);
 184         gtk_box_pack_start (GTK_BOX (ev_window->priv->main_box),
 185                             ev_window->priv->bonobo_widget,
 186                             TRUE, TRUE, 0);
 187         CORBA_exception_init (&ev);
 188         pf = bonobo_object_query_interface (
 189                 bonobo_control, "IDL:Bonobo/PersistFile:1.0", &ev);
 190         Bonobo_PersistFile_load (pf, uri, &ev);
 191         gtk_widget_show (ev_window->priv->bonobo_widget);
 192         bonobo_object_release_unref (pf, &ev);
 193         bonobo_object_unref (bonobo_control);
 194         CORBA_exception_free (&ev);
 195
 196 finally:
 197         g_free (mime_type);
 198 #endif
 199 }
 200
 201 static void
 202 ev_window_cmd_file_open (GtkAction *action, EvWindow *ev_window)
 203 {
 204         ev_application_open (EV_APP, NULL);
 205 }
 206
 207 static void
 208 ev_window_cmd_file_close_window (GtkAction *action, EvWindow *ev_window)
 209 {
 210         g_return_if_fail (EV_IS_WINDOW (ev_window));
 211
 212         gtk_widget_destroy (GTK_WIDGET (ev_window));
 213 }
 214
 215 static void
 216 ev_window_cmd_help_about (GtkAction *action, EvWindow *ev_window)
 217 {
 218         const char *authors[] = {
 219                 N_("Many..."),
 220                 NULL
 221         };
 222
 223         const char *documenters[] = {
 224                 N_("Not so many..."),
 225                 NULL
 226         };
 227
 228         const char *license[] = {
 229                 N_("Evince is free software; you can redistribute it and/or modify\n"
 230                    "it under the terms of the GNU General Public License as published by\n"
 231                    "the Free Software Foundation; either version 2 of the License, or\n"
 232                    "(at your option) any later version.\n"),
 233                 N_("Evince is distributed in the hope that it will be useful,\n"
 234                    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
 235                    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
 236                    "GNU General Public License for more details.\n"),
 237                 N_("You should have received a copy of the GNU General Public License\n"
 238                    "along with Evince; if not, write to the Free Software Foundation, Inc.,\n"
 239                    "59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n")
 240         };
 241
 242         char *license_trans;
 243
 244 #ifdef ENABLE_NLS
 245         const char **p;
 246
 247         for (p = authors; *p; ++p)
 248                 *p = _(*p);
 249
 250         for (p = documenters; *p; ++p)
 251                 *p = _(*p);
 252 #endif
 253
 254         license_trans = g_strconcat (_(license[0]), "\n", _(license[1]), "\n",
 255                                      _(license[2]), "\n", NULL);
 256
 257         gtk_show_about_dialog (
 258                 GTK_WINDOW (ev_window),
 259                 "name", _("Evince"),
 260                 "version", VERSION,
 261                 "copyright",
 262                 _("\xc2\xa9 1996-2004 The Evince authors"),
 263                 "license", license_trans,
 264                 "website", "http://www.gnome.org/projects/evince",
 265                 "comments", _("PostScript and PDF File Viewer."),
 266                 "authors", authors,
 267                 "documenters", documenters,
 268                 "translator-credits", _("translator-credits"),
 269                 NULL);
 270
 271         g_free (license_trans);
 272 }
 273
 274 static void
 275 ev_window_view_toolbar_cb (GtkAction *action, EvWindow *ev_window)
 276 {
 277         g_object_set (
 278                 G_OBJECT (gtk_ui_manager_get_widget (
 279                                   ev_window->priv->ui_manager,
 280                                   "/ToolBar")),
 281                 "visible",
 282                 gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)),
 283                 NULL);
 284 }
 285
 286 static void
 287 ev_window_view_statusbar_cb (GtkAction *action, EvWindow *ev_window)
 288 {
 289         g_object_set (
 290                 ev_window->priv->statusbar,
 291                 "visible",
 292                 gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)),
 293                 NULL);
 294 }
 295
 296 static void
 297 menu_item_select_cb (GtkMenuItem *proxy, EvWindow *ev_window)
 298 {
 299         GtkAction *action;
 300         char *message;
 301
 302         action = g_object_get_data (G_OBJECT (proxy), "gtk-action");
 303         g_return_if_fail (action != NULL);
 304
 305         g_object_get (G_OBJECT (action), "tooltip", &message, NULL);
 306         if (message) {
 307                 gtk_statusbar_push (GTK_STATUSBAR (ev_window->priv->statusbar),
 308                                     ev_window->priv->help_message_cid, message);
 309                 g_free (message);
 310         }
 311 }
 312
 313 static void
 314 menu_item_deselect_cb (GtkMenuItem *proxy, EvWindow *ev_window)
 315 {
 316         gtk_statusbar_pop (GTK_STATUSBAR (ev_window->priv->statusbar),
 317                            ev_window->priv->help_message_cid);
 318 }
 319
 320 static void
 321 connect_proxy_cb (GtkUIManager *ui_manager, GtkAction *action,
 322                   GtkWidget *proxy, EvWindow *ev_window)
 323 {
 324         if (GTK_IS_MENU_ITEM (proxy)) {
 325                 g_signal_connect (proxy, "select",
 326                                   G_CALLBACK (menu_item_select_cb), ev_window);
 327                 g_signal_connect (proxy, "deselect",
 328                                   G_CALLBACK (menu_item_deselect_cb),
 329                                   ev_window);
 330         }
 331 }
 332
 333 static void
 334 disconnect_proxy_cb (GtkUIManager *ui_manager, GtkAction *action,
 335                      GtkWidget *proxy, EvWindow *ev_window)
 336 {
 337         if (GTK_IS_MENU_ITEM (proxy)) {
 338                 g_signal_handlers_disconnect_by_func
 339                         (proxy, G_CALLBACK (menu_item_select_cb), ev_window);
 340                 g_signal_handlers_disconnect_by_func
 341                         (proxy, G_CALLBACK (menu_item_deselect_cb), ev_window);
 342         }
 343 }
 344
 345 static void
 346 ev_window_dispose (GObject *object)
 347 {
 348         EvWindowPrivate *priv;
 349
 350         g_return_if_fail (object != NULL && EV_IS_WINDOW (object));
 351
 352         priv = EV_WINDOW (object)->priv;
 353
 354         EV_UNREF (priv->ui_manager);
 355
 356         EV_CALL_VIRTUAL (
 357                 G_OBJECT_CLASS (ev_window_parent_class), dispose, (object));
 358 }
 359
 360 static void
 361 ev_window_finalize (GObject *object)
 362 {
 363         g_return_if_fail (object != NULL && EV_IS_WINDOW (object));
 364
 365         EV_WINDOW (object)->priv = NULL;
 366
 367         EV_CALL_VIRTUAL (
 368                 G_OBJECT_CLASS (ev_window_parent_class), finalize, (object));
 369 }
 370
 371 static void
 372 ev_window_class_init (EvWindowClass *ev_window_class)
 373 {
 374         GObjectClass *g_object_class;
 375
 376         g_object_class = G_OBJECT_CLASS (ev_window_class);
 377         g_object_class->dispose = ev_window_dispose;
 378         g_object_class->finalize = ev_window_finalize;
 379
 380         g_type_class_add_private (g_object_class, sizeof (EvWindowPrivate));
 381
 382 #if 0
 383         /* setting up signal system */
 384         ev_window_class->signal = ev_window_signal;
 385
 386         ev_window_signals [SIGNAL] = g_signal_new (
 387                 "signal",
 388                 EV_TYPE_WINDOW,
 389                 G_SIGNAL_RUN_LAST,
 390                 G_STRUCT_OFFSET (EvWindowClass,
 391                                  signal),
 392                 NULL,
 393                 NULL,
 394                 g_cclosure_marshal_VOID__STRING,
 395                 G_TYPE_NONE,
 396                 0);
 397         /* setting up property system */
 398         g_object_class->set_property = ev_window_set_property;
 399         g_object_class->get_property = ev_window_get_property;
 400
 401         g_object_class_install_property (
 402                 g_object_class,
 403                 PROP_ATTRIBUTE,
 404                 g_param_spec_string ("attribute",
 405                                      "Attribute",
 406                                      "A simple unneccessary attribute that "
 407                                      "does nothing special except being a "
 408                                      "demonstration for the correct implem"
 409                                      "entation of a GObject property",
 410                                      "default_value",
 411                                      G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 412 #endif
 413 }
 414
 415 /* Normal items */
 416 static GtkActionEntry entries[] = {
 417         { "File", NULL, N_("_File") },
 418         { "View", NULL, N_("_View") },
 419         { "Help", NULL, N_("_Help") },
 420
 421         /* File menu */
 422         { "FileOpen", GTK_STOCK_OPEN, N_("_Open"), "<control>O",
 423           N_("Open a file"),
 424           G_CALLBACK (ev_window_cmd_file_open) },
 425         { "FileCloseWindow", GTK_STOCK_CLOSE, N_("_Close"), "<control>W",
 426           N_("Close this window"),
 427           G_CALLBACK (ev_window_cmd_file_close_window) },
 428
 429         /* Help menu */
 430         { "HelpAbout", STOCK_ABOUT, N_("_About"), NULL,
 431           N_("Display credits for the document viewer creators"),
 432           G_CALLBACK (ev_window_cmd_help_about) },
 433 };
 434
 435 /* Toggle items */
 436 static GtkToggleActionEntry toggle_entries[] = {
 437         /* View Menu */
 438         { "ViewToolbar", NULL, N_("_Toolbar"), "<shift><control>T",
 439           N_("Show or hide toolbar"),
 440           G_CALLBACK (ev_window_view_toolbar_cb), TRUE },
 441         { "ViewStatusbar", NULL, N_("_Statusbar"), NULL,
 442           N_("Show or hide statusbar"),
 443           G_CALLBACK (ev_window_view_statusbar_cb), TRUE },
 444 };
 445
 446 static void
 447 ev_window_init (EvWindow *ev_window)
 448 {
 449         GtkActionGroup *action_group;
 450         GtkAccelGroup *accel_group;
 451         GError *error = NULL;
 452         GtkWidget *menubar;
 453         GtkWidget *toolbar;
 454
 455         ev_window->priv = EV_WINDOW_GET_PRIVATE (ev_window);
 456
 457         gtk_window_set_title (GTK_WINDOW (ev_window), _("Evince"));
 458
 459         ev_window->priv->main_box = gtk_vbox_new (FALSE, 0);
 460         gtk_container_add (GTK_CONTAINER (ev_window), ev_window->priv->main_box);
 461         gtk_widget_show (ev_window->priv->main_box);
 462
 463         action_group = gtk_action_group_new ("MenuActions");
 464         gtk_action_group_set_translation_domain (action_group, NULL);
 465         gtk_action_group_add_actions (action_group, entries,
 466                                       G_N_ELEMENTS (entries), ev_window);
 467         gtk_action_group_add_toggle_actions (action_group, toggle_entries,
 468                                              G_N_ELEMENTS (toggle_entries),
 469                                              ev_window);
 470
 471         ev_window->priv->ui_manager = gtk_ui_manager_new ();
 472         gtk_ui_manager_insert_action_group (ev_window->priv->ui_manager,
 473                                             action_group, 0);
 474
 475         accel_group =
 476                 gtk_ui_manager_get_accel_group (ev_window->priv->ui_manager);
 477         gtk_window_add_accel_group (GTK_WINDOW (ev_window), accel_group);
 478
 479         g_signal_connect (ev_window->priv->ui_manager, "connect_proxy",
 480                           G_CALLBACK (connect_proxy_cb), ev_window);
 481         g_signal_connect (ev_window->priv->ui_manager, "disconnect_proxy",
 482                           G_CALLBACK (disconnect_proxy_cb), ev_window);
 483
 484         if (!gtk_ui_manager_add_ui_from_file (ev_window->priv->ui_manager,
 485                                               DATADIR"/evince-ui.xml",
 486                                               &error)) {
 487                 g_message ("building menus failed: %s", error->message);
 488                 g_error_free (error);
 489         }
 490
 491         menubar = gtk_ui_manager_get_widget (ev_window->priv->ui_manager,
 492                                              "/MainMenu");
 493         gtk_box_pack_start (GTK_BOX (ev_window->priv->main_box), menubar,
 494                             FALSE, FALSE, 0);
 495
 496         toolbar = gtk_ui_manager_get_widget (ev_window->priv->ui_manager,
 497                                              "/ToolBar");
 498         gtk_box_pack_start (GTK_BOX (ev_window->priv->main_box), toolbar,
 499                             FALSE, FALSE, 0);
 500
 501         ev_window->priv->statusbar = gtk_statusbar_new ();
 502         gtk_widget_show (ev_window->priv->statusbar);
 503         gtk_box_pack_end (GTK_BOX (ev_window->priv->main_box),
 504                           ev_window->priv->statusbar,
 505                           FALSE, TRUE, 0);
 506         ev_window->priv->help_message_cid = gtk_statusbar_get_context_id
 507                 (GTK_STATUSBAR (ev_window->priv->statusbar), "help_message");
 508
 509 }