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