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-window.h"
  34 #include "ev-view.h"
  35 #include "ev-view-presentation.h"
  36 #include "ev-utils.h"
  37 #include "ev-sidebar.h"
  38 #include "ev-sidebar-thumbnails.h"
  39 #include "ev-presentation-timer.h"
  40
  41 struct _EvDSCWindowPrivate {
  42         GtkWidget       *main_box;
  43         GtkWidget       *menubar;
  44         GtkWidget       *sidebar;
  45         GtkWidget       *notesview;
  46         GtkWidget       *timer;
  47         GtkWidget       *spinner;
  48         GtkWidget       *presentation_window;
  49         GtkWidget       *overview_scrolled_window;
  50         GtkWidget       *notesview_scrolled_window;
  51
  52         EvDocumentModel *model;
  53         EvDocumentModel *notes_model;
  54         EvDocument      *presentation_document;
  55         EvDocument      *notes_document;
  56
  57         EvViewPresentation *presentation_view;
  58         gint            moveback_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    300
  66 #define MAX_PRESENTATION_TIME   1440 /*60*24: ONE DAY*/
  67
  68 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  69
  70
  71 static gboolean
  72 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
  73 {
  74         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  75                 return FALSE;
  76
  77         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  78
  79         if (num_monitors == 2) {
  80                 GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
  81                 GdkScreen *screen = gtk_window_get_screen (presentation_window);
  82
  83                 gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  84                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
  85
  86                 gint monitor_2 = (monitor_1 + 1) % 2;
  87
  88                 GdkRectangle coords;
  89                 gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  90                 gtk_window_move (presentation_window, coords.x, coords.y);
  91                 ev_dscwindow->priv->moveback_monitor = monitor_1;
  92
  93                 gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  94                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  95                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  96                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  97         }
  98         return TRUE;
  99 }
 100
 101 static void
 102 ev_dscwindow_sidebar_visibility_cb (GtkWidget *sidebar)
 103 {
 104         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
 105 }
 106
 107 static void
 108 ev_dscwindow_set_page (EvDSCWindow *ev_dscwindow, gint page)
 109 {
 110         guint n_pages = ev_document_get_n_pages(ev_dscwindow->priv->presentation_document);
 111
 112         if((ev_dscwindow->priv->page == 0) && (page == 1))
 113                 ;
 114         if((ev_dscwindow->priv->page == n_pages-1) && (page == n_pages))
 115                 ;
 116         ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 117         ev_document_model_set_page(ev_dscwindow->priv->model, page);
 118         ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 119         ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 120         ev_dscwindow->priv->page = page;
 121 }
 122
 123 static void
 124 ev_dscwindow_presentation_time_cb (EvDSCWindow *ev_dscwindow)
 125 {
 126         gint time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner));
 127         ev_presentation_timer_set_time (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer),time);
 128 }
 129
 130 static void
 131 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 132                            GParamSpec      *pspec,
 133                            EvDSCWindow     *ev_dscwindow)
 134 {
 135         ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 136 }
 137
 138 static void
 139 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 140                            GParamSpec      *pspec,
 141                            EvDSCWindow     *ev_dscwindow)
 142 {
 143         ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 144 }
 145
 146 static gboolean
 147 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 148 {
 149         GtkWidget *dialog;
 150
 151         dialog = gtk_file_chooser_dialog_new (
 152                 _("Open Document"),
 153                 GTK_WINDOW (ev_dscwindow),
 154                 GTK_FILE_CHOOSER_ACTION_OPEN,
 155                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 156                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 157                 NULL);
 158
 159         ev_document_factory_add_filters (dialog, NULL);
 160         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 161         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 162
 163         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 164         {
 165                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 166                 GError * error = NULL;
 167                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 168
 169                 if (ev_dscwindow->priv->notes_document) {
 170                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 171                 } else {
 172                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 173                                 &error);
 174                 }
 175                 g_free (uri);
 176                 if (error == NULL){
 177                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 178                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 179                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 180                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 181                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 182                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 183                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 184                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 185                                           ev_dscwindow->priv->notes_model);
 186                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 187                                           "notify::page",
 188                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 189                                           ev_dscwindow);
 190                 }
 191         }
 192         gtk_widget_destroy (dialog);
 193
 194         return TRUE;
 195 }
 196
 197 EvDSCWindow *
 198 ev_dscwindow_get_control (void)
 199 {
 200         static EvDSCWindow * control = NULL;
 201
 202         if (!control || !EV_IS_DSCWINDOW (control)) {
 203                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 204         }
 205
 206         return control;
 207 }
 208
 209 static void
 210 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 211 {
 212         GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 213         GdkScreen * screen = gtk_window_get_screen (presentation_window);
 214         gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 215                 gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 216         gint presentation_monitor = (work_monitor + 1) % 2;
 217         GdkRectangle coords;
 218         gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 219                 &coords);
 220
 221         gtk_window_move (presentation_window, coords.x, coords.y);
 222         ev_dscwindow->priv->moveback_monitor = work_monitor;
 223         gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 224 }
 225
 226 void
 227 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 228         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 229 {
 230         if (!EV_IS_WINDOW (presentation_window))
 231                 return;
 232
 233         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 234         ev_dscwindow->priv->presentation_document = document;
 235         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 236         ev_dscwindow->priv->page = ev_view_presentation_get_current_page (pview);
 237
 238         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 239         ev_document_model_set_page(ev_dscwindow->priv->model, ev_dscwindow->priv->page);
 240         /*signals*/
 241         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 242                                   "destroy",
 243                                   G_CALLBACK (gtk_widget_destroy),
 244                                   ev_dscwindow);
 245         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 246                           "notify::page",
 247                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 248                           ev_dscwindow);
 249         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 250                           "notify::page",
 251                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 252                           ev_dscwindow);
 253         ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), ev_document_get_n_pages (document));
 254
 255         ev_dscwindow_window_placement (ev_dscwindow);
 256 }
 257
 258 static gboolean
 259 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 260 {
 261         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 262         return TRUE;
 263 }
 264
 265 static void
 266 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 267 {
 268
 269         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 270         ev_dscwindow->priv->page = 0;
 271         ev_dscwindow->priv->moveback_monitor = -1;
 272         ev_dscwindow->priv->notes_document = NULL;
 273
 274         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 275
 276         GtkWidget *hpaned = gtk_hpaned_new ();
 277         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 278
 279         ev_dscwindow->priv->model = ev_document_model_new ();
 280         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 281         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 282         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 283
 284         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 285         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 286                               ev_dscwindow->priv->model);
 287
 288         GtkWidget *sidebar_widget;
 289         sidebar_widget = ev_sidebar_thumbnails_new ();
 290         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 291                              sidebar_widget);
 292
 293         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 294                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 295                                 GTK_SHADOW_IN, NULL));
 296         gtk_paned_pack1 (GTK_PANED (hpaned), ev_dscwindow->priv->sidebar, FALSE, TRUE);
 297         gtk_paned_pack2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window, TRUE, TRUE);
 298         gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 299
 300         ev_dscwindow->priv->notesview = ev_view_new ();
 301         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 302                 ev_dscwindow->priv->notesview);
 303
 304         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 305         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
 306
 307         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 308
 309         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 310         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 311         GtkWidget *toolbar = gtk_toolbar_new ();
 312
 313         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 314         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 315         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 316         g_signal_connect (b_switch, "clicked",
 317                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 318
 319         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 320         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 321         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 322         g_signal_connect (b_notes, "clicked",
 323                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 324
 325         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 326         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 327         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 328         g_signal_connect (b_close, "clicked",
 329                 G_CALLBACK (ev_dscwindow_end), NULL);
 330
 331         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 332         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 333         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 334         g_signal_connect_swapped (b_sidebar, "clicked",
 335                 G_CALLBACK (ev_dscwindow_sidebar_visibility_cb), ev_dscwindow->priv->sidebar);
 336
 337         GtkToolItem *b_spinner = gtk_tool_item_new ();
 338         GtkWidget* alignment = gtk_alignment_new (0.0f, 0.5f, 1.0f, 0.1f);
 339         GtkAdjustment *timer_adjust = gtk_adjustment_new (-1.0, -1.0,
 340                 MAX_PRESENTATION_TIME, 1.0, 10.0, 10.0);
 341         ev_dscwindow->priv->spinner = gtk_spin_button_new (timer_adjust, 1.0, 0);
 342         g_signal_connect_swapped (ev_dscwindow->priv->spinner, "value-changed",
 343                 G_CALLBACK (ev_dscwindow_presentation_time_cb), ev_dscwindow);
 344         gtk_container_add (GTK_CONTAINER (b_spinner), alignment);
 345         gtk_container_add (GTK_CONTAINER (alignment), ev_dscwindow->priv->spinner);
 346         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_spinner, -1);
 347
 348         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 349
 350         GtkWidget *hpan = gtk_hpaned_new ();
 351         gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
 352         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 353         gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, TRUE, TRUE);
 354         gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
 355         gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
 356         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 357         gtk_widget_show_all(vbox);
 358 }
 359
 360 static void
 361 ev_dscwindow_dispose (GObject *obj)
 362 {
 363         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 364         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 365
 366         if (priv->moveback_monitor >= 0) {
 367                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 368                 GdkRectangle coords;
 369
 370                 gdk_screen_get_monitor_geometry (
 371                         gtk_window_get_screen (presentation_window),
 372                         priv->moveback_monitor, &coords);
 373
 374                 gtk_window_move (presentation_window, coords.x, coords.y);
 375         }
 376         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 377         /*if (priv->overview) {
 378                 g_object_unref (priv->overview);
 379                 priv->overview = NULL;
 380         }*/
 381
 382         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 383 }
 384
 385 static void
 386 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 387 {
 388         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 389         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 390         g_object_class->dispose  = ev_dscwindow_dispose;
 391 }
 392
 393 GtkWidget *
 394 ev_dscwindow_new (void)
 395 {
 396         EvDSCWindow *ev_dscwindow;
 397
 398         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 399         return GTK_WIDGET (ev_dscwindow);
 400 }