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  *
   5  * Evince is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * Evince is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include <glib/gi18n.h>
  25 #include <gtk/gtk.h>
  26
  27 #include "ev-dualscreen.h"
  28 #include "ev-window.h"
  29 #include "ev-view.h"
  30 #include "ev-view-presentation.h"
  31 #include "ev-utils.h"
  32 #include "ev-sidebar.h"
  33 #include "ev-sidebar-thumbnails.h"
  34
  35 struct _EvDSCWindowPrivate {
  36         GtkWidget *main_box;
  37         GtkWidget *menubar;
  38         GtkWidget *overview;
  39         GtkWidget *notesview;
  40         EvDocumentModel *model;
  41         EvDocument * notesdocument;
  42
  43         GtkWidget *overview_scrolled_window;
  44         GtkWidget *notesview_scrolled_window;
  45         GtkWidget *presentation_window;
  46
  47         EvViewPresentation *presentation_view;
  48         EvDocument * presentation_document;
  49         gint moveback_monitor;
  50 };
  51
  52 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  53         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  54 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  55 #define SIDEBAR_DEFAULT_SIZE    132
  56
  57 /*static gpointer parent_class = NULL;*/
  58
  59 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  60
  61 /**
  62  * ev_dscwindow_switch_monitors: Bring the presentation window and the control window each on the other monitor.
  63  *
  64  * @widget: Callback widget
  65  * @self: EvDSCWindow
  66  **/
  67 static gboolean
  68 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *self)
  69 {
  70 /*
  71 +       if (!EV_IS_DSCWINDOW (self))
  72 +               return FALSE;
  73 +
  74 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
  75 +
  76 +       gint num_monitors = get_num_monitors (GTK_WINDOW (self));
  77 +
  78 +       if (num_monitors == 2) {
  79 +               GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
  80 +               GdkScreen * screen = gtk_window_get_screen (presentation_window);
  81 +
  82 +               gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  83 +                       GTK_WIDGET (presentation_window)->window);
  84 +
  85 +               gint monitor_2 = (monitor_1 + 1) % 2;
  86 +
  87 +               GdkRectangle coords;
  88 +               gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  89 +               ev_window_stop_presentation (priv->presentation_window);
  90 +               gtk_window_move (presentation_window, coords.x, coords.y);
  91 +               ev_window_run_presentation (priv->presentation_window);
  92 +               priv->moveback_monitor = monitor_1;
  93 +
  94 +               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  95 +               gtk_window_unmaximize (GTK_WINDOW (self));
  96 +               gtk_window_move (GTK_WINDOW (self), coords.x, coords.y);
  97 +               gtk_window_maximize (GTK_WINDOW (self));
  98 +       }*/
  99         return TRUE;
 100 }
 101
 102 /**
 103  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
 104  **/
 105 static gboolean
 106 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *self)
 107 {
 108 /*
 109 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
 110 +       GtkWidget *dialog;
 111 +
 112 +       dialog = gtk_file_chooser_dialog_new (
 113 +               _("Open Document"),
 114 +               GTK_WINDOW (self),
 115 +               GTK_FILE_CHOOSER_ACTION_OPEN,
 116 +               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 117 +               GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 118 +               NULL);
 119 +
 120 +       ev_document_factory_add_filters (dialog, NULL);
 121 +       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 122 +       gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 123 +
 124 +       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 125 +       {
 126 +               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 127 +               GError * error = NULL;
 128 +               ev_view_set_loading (EV_VIEW (priv->notesview), TRUE);
 129 +
 130 +               if (priv->notesdocument) {
 131 +                       ev_document_load (priv->notesdocument, uri, &error);
 132 +               } else {
 133 +                       priv->notesdocument = ev_document_factory_get_document (uri,
 134 +                               &error);
 135 +               }
 136 +               g_free (uri);
 137 +               if (error == NULL){
 138 +                       ev_view_set_document (EV_VIEW (priv->notesview),
 139 +                               priv->notesdocument);
 140 +                       /* TODO: go to the same page that is open at the moment, or
 141 +                        * move the presentation to the beginning. *//*
 142 +               }
 143 +       }
 144 +       gtk_widget_destroy (dialog);
 145 */
 146         return TRUE;
 147 }
 148
 149 /**
 150  * ev_dscwindow_get_control: Get the control instance.
 151  *
 152  * If there is none, create one.
 153  *
 154  * Returns: control instance
 155  **/
 156 EvDSCWindow *
 157 ev_dscwindow_get_control (void)
 158 {
 159         static EvDSCWindow * control = NULL;
 160
 161         if (!control || !EV_IS_DSCWINDOW (control)) {
 162                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 163         }
 164
 165         return control;
 166 }
 167
 168 /*TODO: Fix me!*/
 169 static void
 170 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 171 {
 172         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 173         //if (num_monitors == 2) {
 174                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 175                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 176                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 177                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 178                 gint presentation_monitor = (work_monitor + 1) % 2;
 179                 GdkRectangle coords;
 180                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 181                         &coords);
 182
 183                 gtk_window_move (presentation_window, coords.x, coords.y);
 184                 //ev_window_run_presentation (ev_dscwindow->priv->presentation_window);
 185                 ev_dscwindow->priv->moveback_monitor = work_monitor;
 186                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 187         //}
 188 }
 189 /**
 190  * ev_dscwindow_page_changed_cb: Callback to change page on all views
 191  *
 192  **/
 193 static void
 194 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 195                            GParamSpec      *pspec,
 196                            EvDSCWindow     *ev_dscwindow)
 197 {
 198         gint page = ev_document_model_get_page (model);
 199         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view))
 200                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 201 }
 202 static void
 203 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 204                            GParamSpec      *pspec,
 205                            EvDSCWindow     *ev_dscwindow)
 206 {
 207         gint page = ev_view_presentation_get_current_page (pview);
 208         ev_document_model_set_page (ev_dscwindow->priv->model, page);
 209 }
 210
 211 /**
 212  * ev_dscwindow_set_presentation: Set presentation document
 213  * @presentation_window: Main window we can reuse for presentation
 214  **/
 215 void
 216 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 217         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 218 {
 219         if (!EV_IS_WINDOW (presentation_window))
 220                 return;
 221
 222         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 223         ev_dscwindow->priv->presentation_document = document;
 224         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 225         ev_document_model_set_document(ev_dscwindow->priv->model,
 226                 document);
 227         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 228                           "notify::page",
 229                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 230                           ev_dscwindow);
 231         ev_dscwindow_window_placement (ev_dscwindow);
 232 }
 233
 234 /**
 235  * ev_dscwindow_end: Stop presentation mode.
 236  */
 237 static gboolean
 238 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 239 {
 240         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 241         return TRUE;
 242 }
 243
 244 /**
 245 * ev_dscwindow_init: Initialize multihead presentation
 246 *
 247 * @ev_dscwindow: EvDSCWindow.
 248 *
 249 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 250 **/
 251 static void
 252 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 253 {
 254         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 255         ev_dscwindow->priv->moveback_monitor = -1;
 256         ev_dscwindow->priv->notesdocument = NULL;
 257
 258         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 259
 260         GtkWidget *h = gtk_hpaned_new ();
 261         GtkWidget *v = gtk_vbox_new (FALSE, 0);
 262
 263         ev_dscwindow->priv->model = ev_document_model_new ();
 264         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 265                           "notify::page",
 266                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 267                           ev_dscwindow);
 268         ev_dscwindow->priv->overview = ev_sidebar_new ();
 269         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->overview),
 270                               ev_dscwindow->priv->model);
 271         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview, TRUE , TRUE, 0);
 272         gtk_widget_show (ev_dscwindow->priv->overview);
 273
 274         GtkWidget *sidebar_widget;
 275         sidebar_widget = ev_sidebar_thumbnails_new ();
 276         /*g_signal_connect (sidebar_widget,
 277                           "notify::main-widget",
 278                           G_CALLBACK (sidebar_page_main_widget_update_cb),
 279                           ev_window);
 280         sidebar_page_main_widget_update_cb (G_OBJECT (sidebar_widget), NULL, ev_window);*/
 281         gtk_widget_show (sidebar_widget);
 282         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->overview),
 283                              sidebar_widget);
 284
 285 /*      ev_dscwindow->priv->overview_scrolled_window = GTK_WIDGET (g_object_new (
 286                         GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 287         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview_scrolled_window, TRUE, TRUE, 0);
 288
 289
 290         ev_dscwindow->priv->overview = ev_view_new ();
 291         ev_view_set_page_cache_size (EV_VIEW (ev_dscwindow->priv->overview), PAGE_CACHE_SIZE);
 292         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->overview), ev_dscwindow->priv->model);*/
 293
 294         ev_document_model_set_continuous (ev_dscwindow->priv->model, TRUE);
 295         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 296         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 297
 298         GtkWidget *e = gtk_expander_new (_("Expensive features"));
 299         gtk_expander_set_expanded (GTK_EXPANDER (e), TRUE);
 300
 301         GtkWidget *t = gtk_toolbar_new ();
 302
 303         GtkToolItem* b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 304         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 305         gtk_toolbar_insert (GTK_TOOLBAR (t), b_switch, -1);
 306         g_signal_connect (b_switch, "clicked",
 307                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 308
 309         GtkToolItem* b_notes = gtk_tool_button_new (NULL, _("Load notes ..."));
 310         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_notes), "object-flip-horizontal");
 311         gtk_toolbar_insert (GTK_TOOLBAR (t), b_notes, -1);
 312         g_signal_connect (b_notes, "clicked",
 313                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 314
 315         GtkToolItem* b_close = gtk_tool_button_new (NULL, _("End presentation"));
 316         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_close), "view-restore");
 317         gtk_toolbar_insert (GTK_TOOLBAR (t), b_close, -1);
 318         g_signal_connect (b_close, "clicked",
 319                 G_CALLBACK (ev_dscwindow_end), NULL);
 320
 321         gtk_container_add (GTK_CONTAINER (e), t);
 322         gtk_box_pack_end (GTK_BOX (v), e, FALSE, TRUE, 0);
 323         gtk_paned_add1 (GTK_PANED (h), v);
 324
 325         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (g_object_new (
 326                 GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 327         gtk_paned_add2 (GTK_PANED (h), ev_dscwindow->priv->notesview_scrolled_window);
 328
 329         ev_dscwindow->priv->notesview = ev_view_new ();
 330         g_object_ref (ev_dscwindow->priv->notesview);
 331         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 332                 ev_dscwindow->priv->notesview);
 333         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->model);
 334         gtk_widget_show_all (h);
 335         gtk_container_add (GTK_CONTAINER (ev_dscwindow), h);
 336
 337 /* fallback if we have >2 monitors (see window placement) */
 338 /*+     gtk_window_set_default_size (GTK_WINDOW (self), 800, 600);
 339 +
 340 +
 341 +       /* This would just open new windows. */
 342 /*+     gtk_drag_dest_unset (GTK_WIDGET (priv->notesview));
 343 +       gtk_drag_dest_unset (GTK_WIDGET (priv->overview));
 344 +
 345 +       gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 346 +       gtk_widget_add_events (GTK_WIDGET (priv->overview), click);
 347 +       g_signal_connect (priv->notesview, "button-press-event",
 348 +                         G_CALLBACK (ev_dscwindow_notes_clicked), self);
 349 */
 350 }
 351
 352
 353 static void
 354 ev_dscwindow_dispose (GObject *obj)
 355 {
 356         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 357         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 358
 359 //      if (EV_IS_VIEW (priv->overview) {
 360 //              ev_document_model_set_document (priv->model, NULL);
 361
 362 //              ev_view_set_document (EV_VIEW (priv->overview),  NULL);
 363 //              g_object_unref (priv->overview);
 364 //      }
 365 //      if (EV_IS_VIEW (priv->notesview)) {
 366 //              ev_view_set_document (EV_VIEW (priv->notesview), NULL);
 367 //              g_object_unref (priv->notesview);
 368 //      }
 369 /*TODO: save fulscreen state*/
 370         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), 0);
 371
 372         if (priv->moveback_monitor >= 0) {
 373                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 374                 GdkRectangle coords;
 375
 376                 gdk_screen_get_monitor_geometry (
 377                         gtk_window_get_screen (presentation_window),
 378                         priv->moveback_monitor, &coords);
 379
 380                 gtk_window_move (presentation_window, coords.x, coords.y);
 381         }
 382
 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         /*parent_class = g_type_class_peek_parent (ev_dscwindow_class);*/
 391         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 392         g_object_class->dispose  = ev_dscwindow_dispose;
 393 }
 394
 395 GtkWidget *
 396 ev_dscwindow_new (void)
 397 {
 398         EvDSCWindow *ev_dscwindow;
 399
 400         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 401         return GTK_WIDGET (ev_dscwindow);
 402 }