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
  40 struct _EvDSCWindowPrivate {
  41         GtkWidget       *main_box;
  42         GtkWidget       *menubar;
  43         GtkWidget       *sidebar;
  44         GtkWidget       *notesview;
  45         EvDocumentModel *model;
  46         EvDocumentModel *notes_model;
  47         EvDocument      *presentation_document;
  48         EvDocument      *notes_document;
  49
  50         GtkWidget       *presentation_window;
  51         GtkWidget       *overview_scrolled_window;
  52         GtkWidget       *notesview_scrolled_window;
  53
  54         EvViewPresentation *presentation_view;
  55         gint            moveback_monitor;
  56 };
  57
  58 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  59         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  60 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  61
  62 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  63
  64 static gboolean
  65 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
  66 {
  67         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  68                 return FALSE;
  69
  70         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  71
  72         if (num_monitors == 2) {
  73                 GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
  74                 GdkScreen *screen = gtk_window_get_screen (presentation_window);
  75
  76                 gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  77                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
  78
  79                 gint monitor_2 = (monitor_1 + 1) % 2;
  80
  81                 GdkRectangle coords;
  82                 gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  83                 gtk_window_move (presentation_window, coords.x, coords.y);
  84                 ev_dscwindow->priv->moveback_monitor = monitor_1;
  85
  86                 gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  87                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  88                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  89                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  90         }
  91         return TRUE;
  92 }
  93
  94 static void
  95 ev_dscwindow_sidebar_visibility(GtkWidget *sidebar)
  96 {
  97         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
  98 }
  99
 100 static void
 101 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 102                            GParamSpec      *pspec,
 103                            EvDSCWindow     *ev_dscwindow)
 104 {
 105         gint page = ev_document_model_get_page (model);
 106         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view)) {
 107                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 108         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 109                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 110         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 111                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 112         }
 113 }
 114
 115 static void
 116 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 117                            GParamSpec      *pspec,
 118                            EvDSCWindow     *ev_dscwindow)
 119 {
 120         gint page = ev_view_presentation_get_current_page (pview);
 121         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 122                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 123         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 124                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 125 }
 126
 127 static gboolean
 128 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 129 {
 130         GtkWidget *dialog;
 131
 132         dialog = gtk_file_chooser_dialog_new (
 133                 _("Open Document"),
 134                 GTK_WINDOW (ev_dscwindow),
 135                 GTK_FILE_CHOOSER_ACTION_OPEN,
 136                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 137                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 138                 NULL);
 139
 140         ev_document_factory_add_filters (dialog, NULL);
 141         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 142         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 143
 144         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 145         {
 146                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 147                 GError * error = NULL;
 148                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 149
 150                 if (ev_dscwindow->priv->notes_document) {
 151                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 152                 } else {
 153                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 154                                 &error);
 155                 }
 156                 g_free (uri);
 157                 if (error == NULL){
 158                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 159                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 160                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 161                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 162                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 163                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 164                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 165                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 166                                           ev_dscwindow->priv->notes_model);
 167                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 168                                           "notify::page",
 169                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 170                                           ev_dscwindow);
 171                 }
 172         }
 173         gtk_widget_destroy (dialog);
 174
 175         return TRUE;
 176 }
 177
 178 EvDSCWindow *
 179 ev_dscwindow_get_control (void)
 180 {
 181         static EvDSCWindow * control = NULL;
 182
 183         if (!control || !EV_IS_DSCWINDOW (control)) {
 184                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 185         }
 186
 187         return control;
 188 }
 189
 190 static void
 191 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 192 {
 193         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 194         if (num_monitors == 2) {
 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
 210 static gboolean
 211 ev_dscwindow_notes_clicked (GtkWidget *widget, GdkEvent *event,
 212         EvDSCWindow *self)
 213 {
 214         if (!self || !EV_IS_DSCWINDOW (self) || !event)
 215                 return FALSE;
 216         gint page = ev_document_model_get_page (self->priv->model);
 217
 218         if (event->type == GDK_2BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 219                 ev_dscwindow_notes_interaction (NULL, self);
 220         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 221                 ev_document_model_set_page (self->priv->model, page+1);
 222         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 3) {
 223                 ev_document_model_set_page (self->priv->model, page-1);
 224         }
 225         return FALSE;
 226 }
 227
 228 void
 229 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 230         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 231 {
 232         if (!EV_IS_WINDOW (presentation_window))
 233                 return;
 234
 235         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 236         ev_dscwindow->priv->presentation_document = document;
 237         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 238         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 239         ev_document_model_set_page(ev_dscwindow->priv->model, ev_view_presentation_get_current_page (pview));
 240         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 241                                   "destroy",
 242                                   G_CALLBACK (gtk_widget_destroy),
 243                                   ev_dscwindow);
 244         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 245                           "notify::page",
 246                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 247                           ev_dscwindow);
 248         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 249                           "notify::page",
 250                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 251                           ev_dscwindow);
 252         ev_dscwindow_window_placement (ev_dscwindow);
 253 }
 254
 255 static gboolean
 256 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 257 {
 258         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 259         return TRUE;
 260 }
 261
 262 static void
 263 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 264 {
 265
 266         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 267         ev_dscwindow->priv->moveback_monitor = -1;
 268         ev_dscwindow->priv->notes_document = NULL;
 269
 270         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 271
 272         GtkWidget *hpaned = gtk_hpaned_new ();
 273         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 274
 275         ev_dscwindow->priv->model = ev_document_model_new ();
 276         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 277         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 278         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 279
 280         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 281         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 282                               ev_dscwindow->priv->model);
 283         GtkWidget *sidebar_widget;
 284         sidebar_widget = ev_sidebar_thumbnails_new ();
 285         gtk_widget_show (sidebar_widget);
 286         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 287                              sidebar_widget);
 288         gtk_widget_show (ev_dscwindow->priv->sidebar);
 289         gtk_paned_add1(GTK_PANED(hpaned), ev_dscwindow->priv->sidebar);
 290
 291         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 292                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 293                                 GTK_SHADOW_IN, NULL));
 294         gtk_paned_add2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window);
 295
 296         ev_dscwindow->priv->notesview = ev_view_new ();
 297         g_object_ref (ev_dscwindow->priv->notesview);
 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), ev_dscwindow->priv->notes_model);
 302         gtk_widget_show_all (hpaned);
 303         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 304
 305         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 306         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 307         GtkWidget *toolbar = gtk_toolbar_new ();
 308
 309         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 310         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 311         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 312         g_signal_connect (b_switch, "clicked",
 313                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 314
 315         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 316         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 317         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 318         g_signal_connect (b_notes, "clicked",
 319                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 320
 321         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 322         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 323         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 324         g_signal_connect (b_close, "clicked",
 325                 G_CALLBACK (ev_dscwindow_end), NULL);
 326
 327         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 328         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 329         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 330         g_signal_connect_swapped (b_sidebar, "clicked",
 331                 G_CALLBACK (ev_dscwindow_sidebar_visibility), ev_dscwindow->priv->sidebar);
 332
 333         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 334         gtk_box_pack_end (GTK_BOX (vbox), expander, FALSE, TRUE, 0);
 335
 336 //      gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->notesview));
 337 //      gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->sidebar));
 338
 339 //      gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 340 //      gtk_widget_add_events (GTK_WIDGET (ev_dscwindow->priv->sidebar), click);
 341         /* TODO: actions, this part is broken...*/
 342         /*g_signal_connect (ev_dscwindow->priv->notesview, "button-press-event",
 343                           G_CALLBACK (ev_dscwindow_notes_clicked), ev_dscwindow);*/
 344
 345         gtk_widget_show_all(vbox);
 346         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 347 }
 348
 349
 350 static void
 351 ev_dscwindow_dispose (GObject *obj)
 352 {
 353         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 354         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 355
 356         if (priv->moveback_monitor >= 0) {
 357                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 358                 GdkRectangle coords;
 359
 360                 gdk_screen_get_monitor_geometry (
 361                         gtk_window_get_screen (presentation_window),
 362                         priv->moveback_monitor, &coords);
 363
 364                 gtk_window_move (presentation_window, coords.x, coords.y);
 365         }
 366         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 367         /*if (priv->overview) {
 368                 g_object_unref (priv->overview);
 369                 priv->overview = NULL;
 370         }*/
 371
 372
 373         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 374 }
 375
 376 static void
 377 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 378 {
 379         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 380         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 381         g_object_class->dispose  = ev_dscwindow_dispose;
 382 }
 383
 384 GtkWidget *
 385 ev_dscwindow_new (void)
 386 {
 387         EvDSCWindow *ev_dscwindow;
 388
 389         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 390         return GTK_WIDGET (ev_dscwindow);
 391 }