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         if((ev_dscwindow->priv->page == 0) && (page == 1))
 111                 ev_presentation_timer_start (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer));
 112         if(ev_dscwindow->priv->page != page) {
 113                 if(ev_view_presentation_get_current_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view)) != page);
 114                         ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 115                 if(ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 116                         ev_document_model_set_page(ev_dscwindow->priv->model, page);
 117                 if(ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 118                         ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 119                 ev_dscwindow->priv->page = page;
 120         }
 121         ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 122 }
 123
 124 static void
 125 ev_dscwindow_presentation_time_cb (EvDSCWindow *ev_dscwindow)
 126 {
 127         gint time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner));
 128         ev_presentation_timer_set_time (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer),time);
 129 }
 130
 131 static void
 132 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 133                            GParamSpec      *pspec,
 134                            EvDSCWindow     *ev_dscwindow)
 135 {
 136         ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 137 }
 138
 139 static void
 140 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 141                            GParamSpec      *pspec,
 142                            EvDSCWindow     *ev_dscwindow)
 143 {
 144         ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 145 }
 146
 147 static gboolean
 148 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 149 {
 150         GtkWidget *dialog;
 151
 152         dialog = gtk_file_chooser_dialog_new (
 153                 _("Open Document"),
 154                 GTK_WINDOW (ev_dscwindow),
 155                 GTK_FILE_CHOOSER_ACTION_OPEN,
 156                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 157                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 158                 NULL);
 159
 160         ev_document_factory_add_filters (dialog, NULL);
 161         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 162         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 163
 164         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 165         {
 166                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 167                 GError * error = NULL;
 168                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 169
 170                 if (ev_dscwindow->priv->notes_document) {
 171                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 172                 } else {
 173                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 174                                 &error);
 175                 }
 176                 g_free (uri);
 177                 if (error == NULL){
 178                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 179                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 180                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 181                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 182                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 183                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 184                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 185                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 186                                           ev_dscwindow->priv->notes_model);
 187                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 188                                           "notify::page",
 189                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 190                                           ev_dscwindow);
 191                 }
 192         }
 193         gtk_widget_destroy (dialog);
 194
 195         return TRUE;
 196 }
 197
 198 EvDSCWindow *
 199 ev_dscwindow_get_control (void)
 200 {
 201         static EvDSCWindow * control = NULL;
 202
 203         if (!control || !EV_IS_DSCWINDOW (control)) {
 204                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 205         }
 206
 207         return control;
 208 }
 209
 210 static void
 211 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 212 {
 213         GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 214         GdkScreen * screen = gtk_window_get_screen (presentation_window);
 215         gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 216                 gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 217         gint presentation_monitor = (work_monitor + 1) % 2;
 218         GdkRectangle coords;
 219         gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 220                 &coords);
 221
 222         gtk_window_move (presentation_window, coords.x, coords.y);
 223         ev_dscwindow->priv->moveback_monitor = work_monitor;
 224         gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 225 }
 226
 227 void
 228 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 229         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 230 {
 231         if (!EV_IS_WINDOW (presentation_window))
 232                 return;
 233
 234         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 235         ev_dscwindow->priv->presentation_document = document;
 236         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 237         ev_dscwindow->priv->page = ev_view_presentation_get_current_page (pview);
 238
 239         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 240         ev_document_model_set_page(ev_dscwindow->priv->model, ev_dscwindow->priv->page);
 241         /*signals*/
 242         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 243                                   "destroy",
 244                                   G_CALLBACK (gtk_widget_destroy),
 245                                   ev_dscwindow);
 246         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 247                           "notify::page",
 248                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 249                           ev_dscwindow);
 250         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 251                           "notify::page",
 252                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 253                           ev_dscwindow);
 254         ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), ev_document_get_n_pages (document));
 255
 256         ev_dscwindow_window_placement (ev_dscwindow);
 257 }
 258
 259 static gboolean
 260 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 261 {
 262         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 263         return TRUE;
 264 }
 265
 266 static void
 267 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 268 {
 269
 270         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 271         ev_dscwindow->priv->page = 0;
 272         ev_dscwindow->priv->moveback_monitor = -1;
 273         ev_dscwindow->priv->notes_document = NULL;
 274
 275         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 276
 277         GtkWidget *hpaned = gtk_hpaned_new ();
 278         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 279
 280         ev_dscwindow->priv->model = ev_document_model_new ();
 281         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 282         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 283         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 284
 285         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 286         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 287                               ev_dscwindow->priv->model);
 288
 289         GtkWidget *sidebar_widget;
 290         sidebar_widget = ev_sidebar_thumbnails_new ();
 291         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 292                              sidebar_widget);
 293
 294         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 295                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 296                                 GTK_SHADOW_IN, NULL));
 297         gtk_paned_pack1 (GTK_PANED (hpaned), ev_dscwindow->priv->sidebar, FALSE, TRUE);
 298         gtk_paned_pack2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window, TRUE, TRUE);
 299         gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 300
 301         ev_dscwindow->priv->notesview = ev_view_new ();
 302         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 303                 ev_dscwindow->priv->notesview);
 304
 305         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 306         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
 307
 308         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 309
 310         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 311         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 312         GtkWidget *toolbar = gtk_toolbar_new ();
 313
 314         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 315         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 316         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 317         g_signal_connect (b_switch, "clicked",
 318                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 319
 320         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 321         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 322         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 323         g_signal_connect (b_notes, "clicked",
 324                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 325
 326         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 327         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 328         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 329         g_signal_connect (b_close, "clicked",
 330                 G_CALLBACK (ev_dscwindow_end), NULL);
 331
 332         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 333         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 334         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 335         g_signal_connect_swapped (b_sidebar, "clicked",
 336                 G_CALLBACK (ev_dscwindow_sidebar_visibility_cb), ev_dscwindow->priv->sidebar);
 337
 338         GtkToolItem *b_spinner = gtk_tool_item_new ();
 339         GtkWidget* alignment = gtk_alignment_new (0.0f, 0.5f, 1.0f, 0.1f);
 340         GtkAdjustment *timer_adjust = gtk_adjustment_new (-1.0, -1.0,
 341                 MAX_PRESENTATION_TIME, 1.0, 10.0, 10.0);
 342         ev_dscwindow->priv->spinner = gtk_spin_button_new (timer_adjust, 1.0, 0);
 343         g_signal_connect_swapped (ev_dscwindow->priv->spinner, "value-changed",
 344                 G_CALLBACK (ev_dscwindow_presentation_time_cb), ev_dscwindow);
 345         gtk_container_add (GTK_CONTAINER (b_spinner), alignment);
 346         gtk_container_add (GTK_CONTAINER (alignment), ev_dscwindow->priv->spinner);
 347         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_spinner, -1);
 348
 349         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 350
 351         GtkWidget *hpan = gtk_hpaned_new ();
 352         gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
 353         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 354         gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, TRUE, TRUE);
 355         gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
 356         gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
 357         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 358         gtk_widget_show_all(vbox);
 359 }
 360
 361 static void
 362 ev_dscwindow_dispose (GObject *obj)
 363 {
 364         EvDSCWindow *ev_dscwindow = EV_DSCWINDOW (obj);
 365         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 366
 367         if (priv->moveback_monitor >= 0) {
 368                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 369                 GdkRectangle coords;
 370
 371                 gdk_screen_get_monitor_geometry (
 372                         gtk_window_get_screen (presentation_window),
 373                         priv->moveback_monitor, &coords);
 374
 375                 gtk_window_move (presentation_window, coords.x, coords.y);
 376         }
 377         /*if (priv->timer) {
 378                 g_object_unref (priv->timer);
 379                 priv->timer = NULL;
 380         }*/
 381         ev_presentation_timer_stop(EV_PRESENTATION_TIMER (priv->timer));
 382         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 383         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 384 }
 385
 386 static void
 387 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 388 {
 389         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 390         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 391         g_object_class->dispose  = ev_dscwindow_dispose;
 392 }
 393
 394 GtkWidget *
 395 ev_dscwindow_new (void)
 396 {
 397         EvDSCWindow *ev_dscwindow;
 398
 399         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 400         return GTK_WIDGET (ev_dscwindow);
 401 }