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         EvDocumentModel *model;
  48         EvDocumentModel *notes_model;
  49         EvDocument      *presentation_document;
  50         EvDocument      *notes_document;
  51
  52         GtkWidget       *presentation_window;
  53         GtkWidget       *overview_scrolled_window;
  54         GtkWidget       *notesview_scrolled_window;
  55
  56         EvViewPresentation *presentation_view;
  57         gint            moveback_monitor;
  58 };
  59
  60 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  61         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  62 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  63 #define SIDEBAR_DEFAULT_SIZE    300
  64
  65 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  66
  67
  68 static gboolean
  69 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
  70 {
  71         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  72                 return FALSE;
  73
  74         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  75
  76         if (num_monitors == 2) {
  77                 GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
  78                 GdkScreen *screen = gtk_window_get_screen (presentation_window);
  79
  80                 gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  81                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
  82
  83                 gint monitor_2 = (monitor_1 + 1) % 2;
  84
  85                 GdkRectangle coords;
  86                 gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  87                 gtk_window_move (presentation_window, coords.x, coords.y);
  88                 ev_dscwindow->priv->moveback_monitor = monitor_1;
  89
  90                 gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  91                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  92                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  93                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  94         }
  95         return TRUE;
  96 }
  97
  98 static void
  99 ev_dscwindow_sidebar_visibility(GtkWidget *sidebar)
 100 {
 101         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
 102 }
 103
 104 static void
 105 ev_dscwindow_set_page (EvDSCWindow *ev_dscwindow, gint page)
 106 {
 107         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view)) {
 108                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 109         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 110                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 111         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 112                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 113         }
 114         ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 115 }
 116
 117 static void
 118 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 119                            GParamSpec      *pspec,
 120                            EvDSCWindow     *ev_dscwindow)
 121 {
 122         ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 123 }
 124
 125 static void
 126 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 127                            GParamSpec      *pspec,
 128                            EvDSCWindow     *ev_dscwindow)
 129 {
 130         ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 131 }
 132
 133 static gboolean
 134 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 135 {
 136         GtkWidget *dialog;
 137
 138         dialog = gtk_file_chooser_dialog_new (
 139                 _("Open Document"),
 140                 GTK_WINDOW (ev_dscwindow),
 141                 GTK_FILE_CHOOSER_ACTION_OPEN,
 142                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 143                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 144                 NULL);
 145
 146         ev_document_factory_add_filters (dialog, NULL);
 147         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 148         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 149
 150         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 151         {
 152                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 153                 GError * error = NULL;
 154                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 155
 156                 if (ev_dscwindow->priv->notes_document) {
 157                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 158                 } else {
 159                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 160                                 &error);
 161                 }
 162                 g_free (uri);
 163                 if (error == NULL){
 164                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 165                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 166                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 167                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 168                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 169                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 170                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 171                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 172                                           ev_dscwindow->priv->notes_model);
 173                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 174                                           "notify::page",
 175                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 176                                           ev_dscwindow);
 177                 }
 178         }
 179         gtk_widget_destroy (dialog);
 180
 181         return TRUE;
 182 }
 183
 184 EvDSCWindow *
 185 ev_dscwindow_get_control (void)
 186 {
 187         static EvDSCWindow * control = NULL;
 188
 189         if (!control || !EV_IS_DSCWINDOW (control)) {
 190                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 191         }
 192
 193         return control;
 194 }
 195
 196 static void
 197 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 198 {
 199         GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 200         GdkScreen * screen = gtk_window_get_screen (presentation_window);
 201         gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 202                 gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 203         gint presentation_monitor = (work_monitor + 1) % 2;
 204         GdkRectangle coords;
 205         gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 206                 &coords);
 207
 208         gtk_window_move (presentation_window, coords.x, coords.y);
 209         ev_dscwindow->priv->moveback_monitor = work_monitor;
 210         gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 211 }
 212
 213 void
 214 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 215         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 216 {
 217         if (!EV_IS_WINDOW (presentation_window))
 218                 return;
 219
 220         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 221         ev_dscwindow->priv->presentation_document = document;
 222         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 223
 224         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 225         ev_document_model_set_page(ev_dscwindow->priv->model, ev_view_presentation_get_current_page (pview));
 226         /*signals*/
 227         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 228                                   "destroy",
 229                                   G_CALLBACK (gtk_widget_destroy),
 230                                   ev_dscwindow);
 231         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 232                           "notify::page",
 233                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 234                           ev_dscwindow);
 235         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 236                           "notify::page",
 237                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 238                           ev_dscwindow);
 239         ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), ev_document_get_n_pages (document));
 240
 241         ev_dscwindow_window_placement (ev_dscwindow);
 242 }
 243
 244 static gboolean
 245 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 246 {
 247         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 248         return TRUE;
 249 }
 250
 251 static void
 252 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 253 {
 254
 255         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 256         ev_dscwindow->priv->moveback_monitor = -1;
 257         ev_dscwindow->priv->notes_document = NULL;
 258
 259         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 260
 261         GtkWidget *hpaned = gtk_hpaned_new ();
 262         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 263
 264         ev_dscwindow->priv->model = ev_document_model_new ();
 265         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 266         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 267         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 268
 269         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 270         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 271                               ev_dscwindow->priv->model);
 272
 273         GtkWidget *sidebar_widget;
 274         sidebar_widget = ev_sidebar_thumbnails_new ();
 275         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 276                              sidebar_widget);
 277
 278         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 279                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 280                                 GTK_SHADOW_IN, NULL));
 281         gtk_paned_pack1 (GTK_PANED (hpaned), ev_dscwindow->priv->sidebar, FALSE, TRUE);
 282         gtk_paned_pack2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window, TRUE, TRUE);
 283         gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 284
 285         ev_dscwindow->priv->notesview = ev_view_new ();
 286 //      g_object_ref (ev_dscwindow->priv->notesview);
 287         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 288                 ev_dscwindow->priv->notesview);
 289
 290         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 291         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
 292
 293         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 294
 295         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 296         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 297         GtkWidget *toolbar = gtk_toolbar_new ();
 298
 299         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 300         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 301         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 302         g_signal_connect (b_switch, "clicked",
 303                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 304
 305         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 306         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 307         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 308         g_signal_connect (b_notes, "clicked",
 309                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 310
 311         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 312         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 313         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 314         g_signal_connect (b_close, "clicked",
 315                 G_CALLBACK (ev_dscwindow_end), NULL);
 316
 317         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 318         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 319         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 320         g_signal_connect_swapped (b_sidebar, "clicked",
 321                 G_CALLBACK (ev_dscwindow_sidebar_visibility), ev_dscwindow->priv->sidebar);
 322
 323         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 324
 325         GtkWidget *hpan = gtk_hpaned_new ();
 326         gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
 327         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 328         gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, TRUE, TRUE);
 329         gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
 330         gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
 331         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 332         gtk_widget_show_all(vbox);
 333 }
 334
 335 static void
 336 ev_dscwindow_dispose (GObject *obj)
 337 {
 338         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 339         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 340
 341         if (priv->moveback_monitor >= 0) {
 342                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 343                 GdkRectangle coords;
 344
 345                 gdk_screen_get_monitor_geometry (
 346                         gtk_window_get_screen (presentation_window),
 347                         priv->moveback_monitor, &coords);
 348
 349                 gtk_window_move (presentation_window, coords.x, coords.y);
 350         }
 351         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 352         /*if (priv->overview) {
 353                 g_object_unref (priv->overview);
 354                 priv->overview = NULL;
 355         }*/
 356
 357         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 358 }
 359
 360 static void
 361 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 362 {
 363         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 364         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 365         g_object_class->dispose  = ev_dscwindow_dispose;
 366 }
 367
 368 GtkWidget *
 369 ev_dscwindow_new (void)
 370 {
 371         EvDSCWindow *ev_dscwindow;
 372
 373         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 374         return GTK_WIDGET (ev_dscwindow);
 375 }