shell/ev-dualscreen.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  *  Copyright (C) 2007 Johannes Buchner
   5  *
   6  *  Author:
   7  *    Johannes Buchner <buchner.johannes@gmx.at>
   8  *    Lukas Bezdicka <255993@mail.muni.cz>
   9  *
  10  * Evince is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * Evince is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "config.h"
  27 #endif
  28
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtk.h>
  31
  32 #include "ev-dualscreen.h"
  33 #include "ev-view.h"
  34 #include "ev-utils.h"
  35 #include "ev-sidebar.h"
  36 #include "ev-sidebar-thumbnails.h"
  37 #include "ev-presentation-timer.h"
  38
  39 struct _EvDSCWindowPrivate {
  40         GtkWidget       *main_box;
  41         GtkWidget       *menubar;
  42         GtkWidget       *sidebar;
  43         GtkWidget       *notesview;
  44         GtkWidget       *timer;
  45         GtkWidget       *spinner;
  46         GtkWidget       *presentation_window;
  47         GtkWidget       *overview_scrolled_window;
  48         GtkWidget       *notesview_scrolled_window;
  49
  50         EvDocumentModel *model;
  51         EvDocumentModel *notes_model;
  52         EvDocument      *presentation_document;
  53         EvDocument      *notes_document;
  54         EvMetadata      *metadata;
  55         EvViewPresentation *presentation_view;
  56
  57         gint            moveback_monitor;
  58         gint            presentation_monitor;
  59         guint           page;
  60 };
  61
  62 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  63         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  64 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  65 #define SIDEBAR_DEFAULT_SIZE    30 /* This seems like bug in gtk to me */
  66 #define MAX_PRESENTATION_TIME   1440 /* 60*24 ONE DAY */
  67
  68 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  69
  70 static gint
  71 ev_dscwindow_get_presentation_window_monitor (EvDSCWindow *ev_dscwindow)
  72 {
  73         GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
  74         GdkScreen *screen = gtk_window_get_screen (presentation_window);
  75         gint work_monitor = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (GTK_WIDGET (presentation_window)));
  76         return work_monitor;
  77 }
  78
  79 static void
  80 ev_dscwindow_setup_from_metadata (EvDSCWindow *ev_dscwindow)
  81 {
  82         if (!ev_dscwindow->priv->metadata)
  83                 return;
  84         gint    int_value;
  85         gdouble double_value;
  86         if (ev_metadata_get_double (ev_dscwindow->priv->metadata, "presentation-time", &double_value))
  87                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner),double_value);
  88         if (ev_metadata_get_int (ev_dscwindow->priv->metadata, "presentation-monitor", &int_value)) {
  89                 ev_dscwindow->priv->presentation_monitor = int_value;
  90         } else {
  91                 ev_dscwindow->priv->presentation_monitor = (ev_dscwindow->priv->moveback_monitor +  1) % 2;
  92         }
  93 }
  94
  95 static gboolean
  96 ev_dscwindow_windows_placement (EvDSCWindow *ev_dscwindow)
  97 {
  98         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  99                 return FALSE;
 100
 101         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 102         if (num_monitors == 2) {
 103                 GdkRectangle coords;
 104                 GdkScreen *screen = gtk_window_get_screen (GTK_WINDOW (ev_dscwindow));
 105                 gint presentation_monitor = ev_dscwindow->priv->presentation_monitor;
 106                 gint control_monitor = (presentation_monitor + 1) % 2;
 107
 108                 gdk_screen_get_monitor_geometry (screen, control_monitor, &coords);
 109                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
 110                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
 111                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 112
 113                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,&coords);
 114                 gtk_window_move (GTK_WINDOW (ev_dscwindow->priv->presentation_window), coords.x, coords.y);
 115
 116                 return TRUE;
 117         } else
 118                 return FALSE;
 119 }
 120
 121 static void
 122 ev_dscwindow_switch_monitors (EvDSCWindow *ev_dscwindow)
 123 {
 124         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 125         if (num_monitors == 2) {
 126                 ev_dscwindow->priv->presentation_monitor = (ev_dscwindow->priv->presentation_monitor + 1) % 2;
 127                 if (ev_dscwindow->priv->metadata)
 128                         ev_metadata_set_int (ev_dscwindow->priv->metadata,
 129                                 "presentation-monitor", ev_dscwindow->priv->presentation_monitor);
 130         }
 131         ev_dscwindow_windows_placement (ev_dscwindow);
 132 }
 133
 134 static void
 135 ev_dscwindow_sidebar_visibility_cb (GtkWidget *sidebar)
 136 {
 137         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
 138 }
 139
 140 static void
 141 ev_dscwindow_set_page (EvDSCWindow *ev_dscwindow, gint page)
 142 {
 143         if((ev_dscwindow->priv->page == 0) && (page == 1))
 144                 ev_presentation_timer_start (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer));
 145         if(!(ev_dscwindow->priv->page == page)) {
 146                 ev_dscwindow->priv->page = page;
 147                 if(ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 148                         ev_document_model_set_page(ev_dscwindow->priv->model, page);
 149                 if(ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 150                         ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 151                 if(ev_view_presentation_get_current_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view)) != page);
 152                         ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 153                 ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 154         }
 155 }
 156
 157 static void
 158 ev_dscwindow_presentation_time_cb (EvDSCWindow *ev_dscwindow)
 159 {
 160         gint time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner));
 161         ev_presentation_timer_set_time (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer),time);
 162         if (ev_dscwindow->priv->metadata)
 163                 ev_metadata_set_double (ev_dscwindow->priv->metadata, "presentation-time", time);
 164 }
 165
 166 static void
 167 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 168                               GParamSpec      *pspec,
 169                               EvDSCWindow     *ev_dscwindow)
 170 {
 171         ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 172 }
 173
 174 static void
 175 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation   *pview,
 176                                            GParamSpec           *pspec,
 177                                            EvDSCWindow          *ev_dscwindow)
 178 {
 179         ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 180 }
 181
 182 static gboolean
 183 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 184 {
 185         GtkWidget *dialog;
 186
 187         dialog = gtk_file_chooser_dialog_new (
 188                 _("Open Document"),
 189                 GTK_WINDOW (ev_dscwindow),
 190                 GTK_FILE_CHOOSER_ACTION_OPEN,
 191                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 192                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 193                 NULL);
 194
 195         ev_document_factory_add_filters (dialog, NULL);
 196         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 197         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 198         char *uri;
 199         if (ev_dscwindow->priv->metadata &&
 200             ev_metadata_get_string (ev_dscwindow->priv->metadata, "notes-uri", &uri))
 201                 gtk_file_chooser_set_uri (GTK_FILE_CHOOSER (dialog),uri);
 202
 203         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 204         {
 205                 uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 206                 GError * error = NULL;
 207                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 208
 209                 if (ev_dscwindow->priv->notes_document) {
 210                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 211                 } else {
 212                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 213                                 &error);
 214                 }
 215                 if (error == NULL){
 216                         if (ev_dscwindow->priv->metadata)
 217                                 ev_metadata_set_string (ev_dscwindow->priv->metadata,
 218                                         "notes-uri", uri);
 219                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 220                         ev_document_model_set_document (ev_dscwindow->priv->notes_model,
 221                                                         ev_dscwindow->priv->notes_document);
 222                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model,
 223                                                           FALSE);
 224                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model,
 225                                                          FALSE);
 226                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model,
 227                                                            EV_SIZING_BEST_FIT);
 228                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 229                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 230                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 231                                           ev_dscwindow->priv->notes_model);
 232                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 233                                           "notify::page",
 234                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 235                                           ev_dscwindow);
 236                 }
 237         }
 238         g_free (uri);
 239         gtk_widget_destroy (dialog);
 240
 241         return TRUE;
 242 }
 243
 244 EvDSCWindow *
 245 ev_dscwindow_get_control (void)
 246 {
 247         static EvDSCWindow *control = NULL;
 248
 249         if (!control || !EV_IS_DSCWINDOW (control)) {
 250                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 251         }
 252
 253         return control;
 254 }
 255
 256 void
 257 ev_dscwindow_set_presentation   (EvDSCWindow    *ev_dscwindow,
 258                                  EvWindow       *presentation_window,
 259                                  EvDocument     *document,
 260                                  EvViewPresentation *pview,
 261                                  EvMetadata     *metadata)
 262 {
 263         if (!EV_IS_WINDOW (presentation_window) || !EV_IS_DSCWINDOW (ev_dscwindow) ||
 264             !EV_IS_VIEW_PRESENTATION (pview) || !EV_IS_DOCUMENT (document) )
 265                 return;
 266
 267         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 268         ev_dscwindow->priv->presentation_document = document;
 269         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 270         ev_dscwindow->priv->page = ev_view_presentation_get_current_page (pview);
 271         ev_dscwindow->priv->moveback_monitor = ev_dscwindow_get_presentation_window_monitor (ev_dscwindow);
 272         ev_dscwindow->priv->metadata = metadata;
 273
 274         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 275         ev_document_model_set_page(ev_dscwindow->priv->model, ev_dscwindow->priv->page);
 276         /*signals*/
 277         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 278                                   "destroy",
 279                                   G_CALLBACK (gtk_widget_destroy),
 280                                   GTK_WIDGET (ev_dscwindow));
 281         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 282                           "notify::page",
 283                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 284                           ev_dscwindow);
 285         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 286                           "notify::page",
 287                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 288                           ev_dscwindow);
 289         ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer),
 290                 ev_document_get_n_pages (document));
 291         /* Wait for windows to get shown before moving them */
 292         while(gtk_events_pending())
 293                 gtk_main_iteration();
 294         /* something like http://mail.gnome.org/archives/gtk-list/2008-June/msg00061.html */
 295         ev_dscwindow_setup_from_metadata (ev_dscwindow);
 296         ev_dscwindow_windows_placement (ev_dscwindow);
 297 }
 298
 299 static gboolean
 300 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 301 {
 302         EvDSCWindow *ev_dscwindow = EV_DSCWINDOW(widget);
 303         EvWindow *ev_window = EV_WINDOW(ev_dscwindow->priv->presentation_window);
 304         ev_window_stop_presentation (ev_window, TRUE);
 305         gtk_widget_destroy (widget);
 306         return TRUE;
 307 }
 308
 309 static void
 310 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 311 {
 312
 313         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 314         ev_dscwindow->priv->page = 0;
 315         ev_dscwindow->priv->moveback_monitor = -1;
 316         ev_dscwindow->priv->notes_document = NULL;
 317
 318         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 319
 320         GtkWidget *hpaned = gtk_hpaned_new ();
 321         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 322
 323         ev_dscwindow->priv->model = ev_document_model_new ();
 324         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 325         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 326         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model,
 327                 EV_SIZING_BEST_FIT);
 328
 329         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 330         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 331                               ev_dscwindow->priv->model);
 332
 333         GtkWidget *sidebar_widget;
 334         sidebar_widget = ev_sidebar_thumbnails_new ();
 335         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 336                              sidebar_widget);
 337
 338         ev_dscwindow->priv->notesview_scrolled_window =
 339                 GTK_WIDGET (g_object_new(GTK_TYPE_SCROLLED_WINDOW,
 340                             "shadow-type",
 341                             GTK_SHADOW_IN,
 342                             NULL));
 343         ev_dscwindow->priv->notesview = ev_view_new ();
 344         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 345                            ev_dscwindow->priv->notesview);
 346         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 347         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview),
 348                            ev_dscwindow->priv->notes_model);
 349         gtk_paned_pack1 (GTK_PANED (hpaned),
 350                          ev_dscwindow->priv->sidebar,
 351                          FALSE,
 352                          TRUE);
 353         gtk_paned_pack2 (GTK_PANED (hpaned),
 354                          ev_dscwindow->priv->notesview_scrolled_window,
 355                          FALSE,
 356                          FALSE);
 357
 358         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 359
 360         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 361         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 362         GtkWidget *toolbar = gtk_toolbar_new ();
 363
 364         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 365         gtk_tool_item_set_tooltip_text (b_switch,
 366                 _("Switch monitors, In case of more than two monitor window placing has to be manual."));
 367         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 368         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 369         g_signal_connect_swapped (b_switch, "clicked",
 370                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 371
 372         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 373         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 374         gtk_tool_item_set_tooltip_text (b_notes, _("Load your notes document"));
 375         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 376         g_signal_connect (b_notes, "clicked",
 377                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 378
 379         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 380         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 381         gtk_tool_item_set_tooltip_text (b_close, _("End presentation"));
 382         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 383         g_signal_connect_swapped (b_close, "clicked",
 384                 G_CALLBACK (ev_dscwindow_end), ev_dscwindow);
 385
 386         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 387         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 388         gtk_tool_item_set_tooltip_text (b_sidebar, _("Show/hide sidebar"));
 389         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 390         g_signal_connect_swapped (b_sidebar, "clicked",
 391                 G_CALLBACK (ev_dscwindow_sidebar_visibility_cb), ev_dscwindow->priv->sidebar);
 392
 393         GtkToolItem *b_spinner = gtk_tool_item_new ();
 394         GtkWidget* alignment = gtk_alignment_new (0.0f, 0.5f, 1.0f, 0.1f);
 395         GtkAdjustment *timer_adjust = gtk_adjustment_new (-1.0, -1.0,
 396                 MAX_PRESENTATION_TIME, 1.0, 10.0, 10.0);
 397         ev_dscwindow->priv->spinner = gtk_spin_button_new (timer_adjust, 1.0, 0);
 398         g_signal_connect_swapped (ev_dscwindow->priv->spinner, "value-changed",
 399                 G_CALLBACK (ev_dscwindow_presentation_time_cb), ev_dscwindow);
 400         gtk_container_add (GTK_CONTAINER (b_spinner), alignment);
 401         gtk_container_add (GTK_CONTAINER (alignment), ev_dscwindow->priv->spinner);
 402         gtk_tool_item_set_tooltip_text (b_spinner,
 403                 _("To enable timer, set presentation timer to expected time in minutes. Timer starts by changing from first slide to second one. Value -1 means disabled."));
 404         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_spinner, -1);
 405
 406         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 407
 408         GtkWidget *hpan = gtk_hpaned_new ();
 409         gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
 410         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 411         gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, FALSE, FALSE);
 412
 413         gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
 414         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 415         gtk_widget_show_all(vbox);
 416         gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
 417         gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 418 }
 419
 420 static void
 421 ev_dscwindow_dispose (GObject *obj)
 422 {
 423         EvDSCWindow *ev_dscwindow = EV_DSCWINDOW (obj);
 424         EvDSCWindowPrivate *priv = EV_DSCWINDOW (ev_dscwindow)->priv;
 425         EvWindow *ev_window = EV_WINDOW(priv->presentation_window);
 426         if(EV_IS_WINDOW (ev_window)) {
 427                 if (priv->moveback_monitor >= 0) {
 428                         GtkWindow *presentation_window = GTK_WINDOW (priv->presentation_window);
 429                         GdkRectangle coords;
 430
 431                         gdk_screen_get_monitor_geometry (gtk_window_get_screen (presentation_window),
 432                                                  priv->moveback_monitor, &coords);
 433                         gtk_window_move (presentation_window, coords.x, coords.y);
 434                 }
 435         }
 436         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 437 }
 438
 439 static void
 440 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 441 {
 442         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 443         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 444         g_object_class->dispose  = ev_dscwindow_dispose;
 445 }
 446
 447 GtkWidget *
 448 ev_dscwindow_new (void)
 449 {
 450         EvDSCWindow *ev_dscwindow;
 451
 452         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 453         return GTK_WIDGET (ev_dscwindow);
 454 }