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
  64 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  65
  66 static gboolean
  67 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
  68 {
  69         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  70                 return FALSE;
  71
  72         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  73
  74         if (num_monitors == 2) {
  75                 GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
  76                 GdkScreen *screen = gtk_window_get_screen (presentation_window);
  77
  78                 gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  79                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
  80
  81                 gint monitor_2 = (monitor_1 + 1) % 2;
  82
  83                 GdkRectangle coords;
  84                 gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  85                 gtk_window_move (presentation_window, coords.x, coords.y);
  86                 ev_dscwindow->priv->moveback_monitor = monitor_1;
  87
  88                 gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  89                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  90                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  91                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  92         }
  93         return TRUE;
  94 }
  95
  96 static void
  97 ev_dscwindow_sidebar_visibility(GtkWidget *sidebar)
  98 {
  99         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
 100 }
 101
 102 static void
 103 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 104                            GParamSpec      *pspec,
 105                            EvDSCWindow     *ev_dscwindow)
 106 {
 107         gint page = ev_document_model_get_page (model);
 108         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view)) {
 109                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 110         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 111                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 112         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 113                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 114         }
 115 }
 116
 117 static void
 118 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 119                            GParamSpec      *pspec,
 120                            EvDSCWindow     *ev_dscwindow)
 121 {
 122         gint page = ev_view_presentation_get_current_page (pview);
 123         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 124                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 125         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 126                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 127 }
 128
 129 static gboolean
 130 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 131 {
 132         GtkWidget *dialog;
 133
 134         dialog = gtk_file_chooser_dialog_new (
 135                 _("Open Document"),
 136                 GTK_WINDOW (ev_dscwindow),
 137                 GTK_FILE_CHOOSER_ACTION_OPEN,
 138                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 139                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 140                 NULL);
 141
 142         ev_document_factory_add_filters (dialog, NULL);
 143         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 144         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 145
 146         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 147         {
 148                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 149                 GError * error = NULL;
 150                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 151
 152                 if (ev_dscwindow->priv->notes_document) {
 153                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 154                 } else {
 155                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 156                                 &error);
 157                 }
 158                 g_free (uri);
 159                 if (error == NULL){
 160                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 161                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 162                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 163                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 164                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 165                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 166                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 167                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 168                                           ev_dscwindow->priv->notes_model);
 169                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 170                                           "notify::page",
 171                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 172                                           ev_dscwindow);
 173                 }
 174         }
 175         gtk_widget_destroy (dialog);
 176
 177         return TRUE;
 178 }
 179
 180 EvDSCWindow *
 181 ev_dscwindow_get_control (void)
 182 {
 183         static EvDSCWindow * control = NULL;
 184
 185         if (!control || !EV_IS_DSCWINDOW (control)) {
 186                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 187         }
 188
 189         return control;
 190 }
 191
 192 static void
 193 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 194 {
 195         GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 196         GdkScreen * screen = gtk_window_get_screen (presentation_window);
 197         gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 198                 gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 199         gint presentation_monitor = (work_monitor + 1) % 2;
 200         GdkRectangle coords;
 201         gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 202                 &coords);
 203
 204         gtk_window_move (presentation_window, coords.x, coords.y);
 205         ev_dscwindow->priv->moveback_monitor = work_monitor;
 206         gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 207 }
 208
 209 void
 210 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 211         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 212 {
 213         if (!EV_IS_WINDOW (presentation_window))
 214                 return;
 215
 216         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 217         ev_dscwindow->priv->presentation_document = document;
 218         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 219
 220         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 221         ev_document_model_set_page(ev_dscwindow->priv->model, ev_view_presentation_get_current_page (pview));
 222         /*signals*/
 223         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 224                                   "destroy",
 225                                   G_CALLBACK (gtk_widget_destroy),
 226                                   ev_dscwindow);
 227         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 228                           "notify::page",
 229                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 230                           ev_dscwindow);
 231         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 232                           "notify::page",
 233                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 234                           ev_dscwindow);
 235
 236         ev_dscwindow_window_placement (ev_dscwindow);
 237 }
 238
 239 static gboolean
 240 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 241 {
 242         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 243         return TRUE;
 244 }
 245
 246 static void
 247 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 248 {
 249
 250         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 251         ev_dscwindow->priv->moveback_monitor = -1;
 252         ev_dscwindow->priv->notes_document = NULL;
 253
 254         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 255
 256         GtkWidget *hpaned = gtk_hpaned_new ();
 257         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 258
 259         ev_dscwindow->priv->model = ev_document_model_new ();
 260         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 261         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 262         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 263
 264         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 265         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 266                               ev_dscwindow->priv->model);
 267         GtkWidget *sidebar_widget;
 268         sidebar_widget = ev_sidebar_thumbnails_new ();
 269         gtk_widget_show (sidebar_widget);
 270         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 271                              sidebar_widget);
 272         gtk_widget_show (ev_dscwindow->priv->sidebar);
 273         gtk_paned_add1(GTK_PANED(hpaned), ev_dscwindow->priv->sidebar);
 274
 275         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 276                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 277                                 GTK_SHADOW_IN, NULL));
 278         gtk_paned_add2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window);
 279
 280         ev_dscwindow->priv->notesview = ev_view_new ();
 281         g_object_ref (ev_dscwindow->priv->notesview);
 282         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 283                 ev_dscwindow->priv->notesview);
 284         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 285         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
 286         gtk_widget_show_all (hpaned);
 287         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 288
 289         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 290         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 291         GtkWidget *toolbar = gtk_toolbar_new ();
 292
 293         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 294         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 295         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 296         g_signal_connect (b_switch, "clicked",
 297                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 298
 299         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 300         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 301         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 302         g_signal_connect (b_notes, "clicked",
 303                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 304
 305         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 306         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 307         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 308         g_signal_connect (b_close, "clicked",
 309                 G_CALLBACK (ev_dscwindow_end), NULL);
 310
 311         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 312         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 313         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 314         g_signal_connect_swapped (b_sidebar, "clicked",
 315                 G_CALLBACK (ev_dscwindow_sidebar_visibility), ev_dscwindow->priv->sidebar);
 316
 317         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 318
 319         GtkWidget *hbox = gtk_hbox_new (FALSE,0);
 320         gtk_box_pack_start (GTK_BOX (hbox), expander, FALSE, TRUE, 0);
 321         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 322         gtk_box_pack_end (GTK_BOX (hbox), ev_dscwindow->priv->timer, TRUE, TRUE, 0);
 323         gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
 324         gtk_widget_show_all(vbox);
 325         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 326 }
 327
 328 static void
 329 ev_dscwindow_dispose (GObject *obj)
 330 {
 331         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 332         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 333
 334         if (priv->moveback_monitor >= 0) {
 335                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 336                 GdkRectangle coords;
 337
 338                 gdk_screen_get_monitor_geometry (
 339                         gtk_window_get_screen (presentation_window),
 340                         priv->moveback_monitor, &coords);
 341
 342                 gtk_window_move (presentation_window, coords.x, coords.y);
 343         }
 344         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 345         /*if (priv->overview) {
 346                 g_object_unref (priv->overview);
 347                 priv->overview = NULL;
 348         }*/
 349
 350         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 351 }
 352
 353 static void
 354 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 355 {
 356         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 357         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 358         g_object_class->dispose  = ev_dscwindow_dispose;
 359 }
 360
 361 GtkWidget *
 362 ev_dscwindow_new (void)
 363 {
 364         EvDSCWindow *ev_dscwindow;
 365
 366         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 367         return GTK_WIDGET (ev_dscwindow);
 368 }