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    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 gboolean
  80 ev_dscwindow_windows_placement (EvDSCWindow *ev_dscwindow)
  81 {
  82         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  83                 return FALSE;
  84
  85         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  86         if (num_monitors == 2) {
  87                 GdkRectangle coords;
  88                 GdkScreen *screen = gtk_window_get_screen (GTK_WINDOW (ev_dscwindow));
  89                 gint presentation_monitor = ev_dscwindow_get_presentation_window_monitor(ev_dscwindow);
  90                 gint control_monitor = presentation_monitor;
  91
  92                 gdk_screen_get_monitor_geometry (screen, control_monitor, &coords);
  93                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  94                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  95                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  96
  97                 presentation_monitor = (control_monitor + 1) % 2;
  98                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,&coords);
  99                 gtk_window_move (GTK_WINDOW (ev_dscwindow->priv->presentation_window), coords.x, coords.y);
 100
 101                 return TRUE;
 102         } else
 103                 return FALSE;
 104 }
 105
 106 static void
 107 ev_dscwindow_sidebar_visibility_cb (GtkWidget *sidebar)
 108 {
 109         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
 110 }
 111
 112 static void
 113 ev_dscwindow_set_page (EvDSCWindow *ev_dscwindow, gint page)
 114 {
 115         if((ev_dscwindow->priv->page == 0) && (page == 1))
 116                 ev_presentation_timer_start (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer));
 117         if(ev_dscwindow->priv->page != page) {
 118                 if(ev_view_presentation_get_current_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view)) != page);
 119                         ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 120                 if(ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 121                         ev_document_model_set_page(ev_dscwindow->priv->model, page);
 122                 if(ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 123                         ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 124                 ev_dscwindow->priv->page = page;
 125         }
 126         ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 127 }
 128
 129 static void
 130 ev_dscwindow_presentation_time_cb (EvDSCWindow *ev_dscwindow)
 131 {
 132         gint time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner));
 133         ev_presentation_timer_set_time (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer),time);
 134 }
 135
 136 static void
 137 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 138                               GParamSpec      *pspec,
 139                               EvDSCWindow     *ev_dscwindow)
 140 {
 141         ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 142 }
 143
 144 static void
 145 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation   *pview,
 146                                            GParamSpec           *pspec,
 147                                            EvDSCWindow          *ev_dscwindow)
 148 {
 149         ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 150 }
 151
 152 static gboolean
 153 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 154 {
 155         GtkWidget *dialog;
 156
 157         dialog = gtk_file_chooser_dialog_new (
 158                 _("Open Document"),
 159                 GTK_WINDOW (ev_dscwindow),
 160                 GTK_FILE_CHOOSER_ACTION_OPEN,
 161                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 162                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 163                 NULL);
 164
 165         ev_document_factory_add_filters (dialog, NULL);
 166         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 167         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 168
 169         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 170         {
 171                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 172                 GError * error = NULL;
 173                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 174
 175                 if (ev_dscwindow->priv->notes_document) {
 176                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 177                 } else {
 178                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 179                                 &error);
 180                 }
 181                 g_free (uri);
 182                 if (error == NULL){
 183                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 184                         ev_document_model_set_document (ev_dscwindow->priv->notes_model,
 185                                                         ev_dscwindow->priv->notes_document);
 186                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model,
 187                                                           FALSE);
 188                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model,
 189                                                          FALSE);
 190                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model,
 191                                                            EV_SIZING_BEST_FIT);
 192                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 193                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 194                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 195                                           ev_dscwindow->priv->notes_model);
 196                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 197                                           "notify::page",
 198                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 199                                           ev_dscwindow);
 200                 }
 201         }
 202         gtk_widget_destroy (dialog);
 203
 204         return TRUE;
 205 }
 206
 207 EvDSCWindow *
 208 ev_dscwindow_get_control (void)
 209 {
 210         static EvDSCWindow *control = NULL;
 211
 212         if (!control || !EV_IS_DSCWINDOW (control)) {
 213                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 214         }
 215
 216         return control;
 217 }
 218
 219 void
 220 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 221         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 222 {
 223         if (!EV_IS_WINDOW (presentation_window))
 224                 return;
 225
 226         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 227         ev_dscwindow->priv->presentation_document = document;
 228         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 229         ev_dscwindow->priv->page = ev_view_presentation_get_current_page (pview);
 230         ev_dscwindow->priv->moveback_monitor = ev_dscwindow_get_presentation_window_monitor (ev_dscwindow);
 231
 232         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 233         ev_document_model_set_page(ev_dscwindow->priv->model, ev_dscwindow->priv->page);
 234         /*signals*/
 235         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 236                                   "destroy",
 237                                   G_CALLBACK (gtk_widget_destroy),
 238                                   GTK_WIDGET (ev_dscwindow));
 239         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 240                           "notify::page",
 241                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 242                           ev_dscwindow);
 243         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 244                           "notify::page",
 245                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 246                           ev_dscwindow);
 247         ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer),
 248                 ev_document_get_n_pages (document));
 249         /* Wait for windows to get shown before moving them */
 250         while(gtk_events_pending())
 251                 gtk_main_iteration();
 252         /* something like http://mail.gnome.org/archives/gtk-list/2008-June/msg00061.html */
 253         ev_dscwindow_windows_placement (ev_dscwindow);
 254 }
 255
 256 static gboolean
 257 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 258 {
 259         gtk_widget_destroy (widget);
 260         return TRUE;
 261 }
 262
 263 static void
 264 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 265 {
 266
 267         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 268         ev_dscwindow->priv->page = 0;
 269         ev_dscwindow->priv->moveback_monitor = -1;
 270         ev_dscwindow->priv->notes_document = NULL;
 271
 272         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 273
 274         GtkWidget *hpaned = gtk_hpaned_new ();
 275         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 276
 277         ev_dscwindow->priv->model = ev_document_model_new ();
 278         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 279         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 280         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model,
 281                 EV_SIZING_BEST_FIT);
 282
 283         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 284         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 285                               ev_dscwindow->priv->model);
 286
 287         GtkWidget *sidebar_widget;
 288         sidebar_widget = ev_sidebar_thumbnails_new ();
 289         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 290                              sidebar_widget);
 291
 292         ev_dscwindow->priv->notesview_scrolled_window =
 293                 GTK_WIDGET (g_object_new(GTK_TYPE_SCROLLED_WINDOW,
 294                             "shadow-type",
 295                             GTK_SHADOW_IN,
 296                             NULL));
 297         ev_dscwindow->priv->notesview = ev_view_new ();
 298         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 299                            ev_dscwindow->priv->notesview);
 300         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 301         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview),
 302                            ev_dscwindow->priv->notes_model);
 303         gtk_paned_pack1 (GTK_PANED (hpaned),
 304                          ev_dscwindow->priv->sidebar,
 305                          FALSE,
 306                          TRUE);
 307         gtk_paned_pack2 (GTK_PANED (hpaned),
 308                          ev_dscwindow->priv->notesview_scrolled_window,
 309                          FALSE,
 310                          FALSE);
 311
 312         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 313
 314         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 315         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 316         GtkWidget *toolbar = gtk_toolbar_new ();
 317
 318         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 319         gtk_tool_item_set_tooltip_text (b_switch,
 320                 _("Switch monitors, In case of more than two monitor window placing has to be manual."));
 321         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 322         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 323         g_signal_connect_swapped (b_switch, "clicked",
 324                 G_CALLBACK (ev_dscwindow_windows_placement), ev_dscwindow);
 325
 326         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 327         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 328         gtk_tool_item_set_tooltip_text (b_notes, _("Load your notes document"));
 329         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 330         g_signal_connect (b_notes, "clicked",
 331                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 332
 333         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 334         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 335         gtk_tool_item_set_tooltip_text (b_close, _("End presentation"));
 336         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 337         g_signal_connect_swapped (b_close, "clicked",
 338                 G_CALLBACK (ev_dscwindow_end), ev_dscwindow);
 339
 340         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 341         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 342         gtk_tool_item_set_tooltip_text (b_sidebar, _("Show/hide sidebar"));
 343         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 344         g_signal_connect_swapped (b_sidebar, "clicked",
 345                 G_CALLBACK (ev_dscwindow_sidebar_visibility_cb), ev_dscwindow->priv->sidebar);
 346
 347         GtkToolItem *b_spinner = gtk_tool_item_new ();
 348         GtkWidget* alignment = gtk_alignment_new (0.0f, 0.5f, 1.0f, 0.1f);
 349         GtkAdjustment *timer_adjust = gtk_adjustment_new (-1.0, -1.0,
 350                 MAX_PRESENTATION_TIME, 1.0, 10.0, 10.0);
 351         ev_dscwindow->priv->spinner = gtk_spin_button_new (timer_adjust, 1.0, 0);
 352         g_signal_connect_swapped (ev_dscwindow->priv->spinner, "value-changed",
 353                 G_CALLBACK (ev_dscwindow_presentation_time_cb), ev_dscwindow);
 354         gtk_container_add (GTK_CONTAINER (b_spinner), alignment);
 355         gtk_container_add (GTK_CONTAINER (alignment), ev_dscwindow->priv->spinner);
 356         gtk_tool_item_set_tooltip_text (b_spinner,
 357                 _("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."));
 358         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_spinner, -1);
 359
 360         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 361
 362         GtkWidget *hpan = gtk_hpaned_new ();
 363         gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
 364         ev_dscwindow->priv->timer = ev_presentation_timer_new ();
 365         gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, FALSE, FALSE);
 366
 367         gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
 368         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 369         gtk_widget_show_all(vbox);
 370         gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
 371         gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 372 }
 373
 374 static void
 375 ev_dscwindow_dispose (GObject *obj)
 376 {
 377         EvDSCWindow *ev_dscwindow = EV_DSCWINDOW (obj);
 378         EvDSCWindowPrivate *priv = EV_DSCWINDOW (ev_dscwindow)->priv;
 379
 380         if (priv->moveback_monitor >= 0) {
 381                 GtkWindow *presentation_window = GTK_WINDOW (priv->presentation_window);
 382                 GdkRectangle coords;
 383
 384                 gdk_screen_get_monitor_geometry (gtk_window_get_screen (presentation_window),
 385                                                  priv->moveback_monitor, &coords);
 386                 gtk_window_move (presentation_window, coords.x, coords.y);
 387         }
 388         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 389         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 390 }
 391
 392 static void
 393 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 394 {
 395         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 396         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 397         g_object_class->dispose  = ev_dscwindow_dispose;
 398 }
 399
 400 GtkWidget *
 401 ev_dscwindow_new (void)
 402 {
 403         EvDSCWindow *ev_dscwindow;
 404
 405         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 406         return GTK_WIDGET (ev_dscwindow);
 407 }