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-utils.h"
  31 #include "ev-sidebar.h"
  32 #include "ev-sidebar-thumbnails.h"
  33
  34 struct _EvDSCWindowPrivate {
  35         GtkWidget *main_box;
  36         GtkWidget *menubar;
  37         GtkWidget *overview;
  38         GtkWidget *notesview;
  39         EvDocumentModel *model;
  40         EvDocument * notesdocument;
  41
  42         GtkWidget *overview_scrolled_window;
  43         GtkWidget *notesview_scrolled_window;
  44
  45         EvWindow *presentation_window;
  46         EvDocument * presentation_document;
  47         gint moveback_monitor;
  48 };
  49
  50 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  51         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  52 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  53
  54 /*static gpointer parent_class = NULL;*/
  55
  56 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  57
  58 /**
  59  * ev_dscwindow_switch_monitors: Bring the presentation window and the control window each on the other monitor.
  60  *
  61  * @widget: Callback widget
  62  * @self: EvDSCWindow
  63  **/
  64 static gboolean
  65 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *self)
  66 {
  67 /*
  68 +       if (!EV_IS_DSCWINDOW (self))
  69 +               return FALSE;
  70 +
  71 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
  72 +
  73 +       gint num_monitors = get_num_monitors (GTK_WINDOW (self));
  74 +
  75 +       if (num_monitors == 2) {
  76 +               GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
  77 +               GdkScreen * screen = gtk_window_get_screen (presentation_window);
  78 +
  79 +               gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  80 +                       GTK_WIDGET (presentation_window)->window);
  81 +
  82 +               gint monitor_2 = (monitor_1 + 1) % 2;
  83 +
  84 +               GdkRectangle coords;
  85 +               gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  86 +               ev_window_stop_presentation (priv->presentation_window);
  87 +               gtk_window_move (presentation_window, coords.x, coords.y);
  88 +               ev_window_run_presentation (priv->presentation_window);
  89 +               priv->moveback_monitor = monitor_1;
  90 +
  91 +               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  92 +               gtk_window_unmaximize (GTK_WINDOW (self));
  93 +               gtk_window_move (GTK_WINDOW (self), coords.x, coords.y);
  94 +               gtk_window_maximize (GTK_WINDOW (self));
  95 +       }*/
  96         return TRUE;
  97 }
  98
  99 /**
 100  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
 101  **/
 102 static gboolean
 103 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *self)
 104 {
 105 /*
 106 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
 107 +       GtkWidget *dialog;
 108 +
 109 +       dialog = gtk_file_chooser_dialog_new (
 110 +               _("Open Document"),
 111 +               GTK_WINDOW (self),
 112 +               GTK_FILE_CHOOSER_ACTION_OPEN,
 113 +               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 114 +               GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 115 +               NULL);
 116 +
 117 +       ev_document_factory_add_filters (dialog, NULL);
 118 +       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 119 +       gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 120 +
 121 +       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 122 +       {
 123 +               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 124 +               GError * error = NULL;
 125 +               ev_view_set_loading (EV_VIEW (priv->notesview), TRUE);
 126 +
 127 +               if (priv->notesdocument) {
 128 +                       ev_document_load (priv->notesdocument, uri, &error);
 129 +               } else {
 130 +                       priv->notesdocument = ev_document_factory_get_document (uri,
 131 +                               &error);
 132 +               }
 133 +               g_free (uri);
 134 +               if (error == NULL){
 135 +                       ev_view_set_document (EV_VIEW (priv->notesview),
 136 +                               priv->notesdocument);
 137 +                       /* TODO: go to the same page that is open at the moment, or
 138 +                        * move the presentation to the beginning. *//*
 139 +               }
 140 +       }
 141 +       gtk_widget_destroy (dialog);
 142 */
 143         return TRUE;
 144 }
 145
 146 /**
 147  * ev_dscwindow_get_control: Get the control instance.
 148  *
 149  * If there is none, create one.
 150  *
 151  * Returns: control instance
 152  **/
 153 EvDSCWindow *
 154 ev_dscwindow_get_control (void)
 155 {
 156         static EvDSCWindow * control = NULL;
 157
 158         if (!control || !EV_IS_DSCWINDOW (control)) {
 159                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 160         }
 161
 162         return control;
 163 }
 164
 165 /*TODO: Fix me!*/
 166 static void
 167 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 168 {
 169         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 170         if (num_monitors == 2) {
 171                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 172                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 173
 174                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 175                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 176
 177                 gint presentation_monitor = (work_monitor + 1) % 2;
 178
 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
 187                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 188         }
 189 }
 190
 191
 192 /**
 193  * ev_dscwindow_set_presentation: Set presentation document
 194  * @presentation_window: Main window we can reuse for presentation
 195  **/
 196 void
 197 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 198         EvWindow *presentation_window, EvDocument *document)
 199 {
 200         if (!EV_IS_WINDOW (presentation_window))
 201                 return;
 202
 203         ev_dscwindow->priv->presentation_window = presentation_window;
 204         ev_dscwindow->priv->presentation_document = document;
 205
 206         ev_document_model_set_document(ev_dscwindow->priv->model,
 207                 document);
 208 /*      ev_view_set_document (EV_VIEW (priv->notesview),
 209                 priv->presentation_document);*/
 210         ev_dscwindow_window_placement (ev_dscwindow);
 211         /*ev_dscwindow_handle_resized (NULL, NULL, self);
 212         */
 213 }
 214
 215 /**
 216  * ev_dscwindow_end: Stop presentation mode.
 217  */
 218 static gboolean
 219 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 220 {
 221         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 222         return TRUE;
 223 }
 224
 225 /**
 226 * ev_dscwindow_init: Initialize multihead presentation
 227 *
 228 * @self: EvDSCWindow.
 229 *
 230 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 231 **/
 232 static void
 233 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 234 {
 235         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 236         ev_dscwindow->priv->moveback_monitor = -1;
 237         ev_dscwindow->priv->notesdocument = NULL;
 238
 239         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 240
 241         GtkWidget *h = gtk_hpaned_new ();
 242         GtkWidget *v = gtk_vbox_new (FALSE, 0);
 243
 244         ev_dscwindow->priv->model = ev_document_model_new ();
 245
 246         ev_dscwindow->priv->overview = ev_sidebar_new ();
 247         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->overview),
 248                               ev_dscwindow->priv->model);
 249 /*      gtk_paned_pack1 (GTK_PANED (h),
 250                          ev_dscwindow->priv->overview, FALSE, FALSE);*/
 251         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview, TRUE, TRUE, 0);
 252         gtk_widget_show (ev_dscwindow->priv->overview);
 253
 254         /* Stub sidebar, for now */
 255
 256         GtkWidget *sidebar_widget;
 257         sidebar_widget = ev_sidebar_thumbnails_new ();
 258         /*ev_window->priv->sidebar_thumbs = sidebar_widget;*/
 259         /*g_signal_connect (sidebar_widget,
 260                           "notify::main-widget",
 261                           G_CALLBACK (sidebar_page_main_widget_update_cb),
 262                           ev_window);
 263         sidebar_page_main_widget_update_cb (G_OBJECT (sidebar_widget), NULL, ev_window);*/
 264         gtk_widget_show (sidebar_widget);
 265         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->overview),
 266                              sidebar_widget);
 267
 268 /*      ev_dscwindow->priv->overview_scrolled_window = GTK_WIDGET (g_object_new (
 269                         GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 270         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview_scrolled_window, TRUE, TRUE, 0);
 271
 272
 273         ev_dscwindow->priv->overview = ev_view_new ();
 274         ev_view_set_page_cache_size (EV_VIEW (ev_dscwindow->priv->overview), PAGE_CACHE_SIZE);
 275         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->overview), ev_dscwindow->priv->model);*/
 276
 277         ev_document_model_set_continuous (ev_dscwindow->priv->model, TRUE);
 278         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 279         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 280
 281
 282 /*      gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->overview_scrolled_window),
 283                                    ev_dscwindow->priv->overview);
 284         */
 285
 286         GtkWidget *e = gtk_expander_new (_("Expensive features"));
 287         gtk_expander_set_expanded (GTK_EXPANDER (e), TRUE);
 288
 289         GtkWidget *t = gtk_toolbar_new ();
 290
 291         GtkToolItem* b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 292         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 293         gtk_toolbar_insert (GTK_TOOLBAR (t), b_switch, -1);
 294         g_signal_connect (b_switch, "clicked",
 295                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 296
 297         GtkToolItem* b_notes = gtk_tool_button_new (NULL, _("Load notes ..."));
 298         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_notes), "object-flip-horizontal");
 299         gtk_toolbar_insert (GTK_TOOLBAR (t), b_notes, -1);
 300         g_signal_connect (b_notes, "clicked",
 301                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 302
 303         GtkToolItem* b_close = gtk_tool_button_new (NULL, _("End presentation"));
 304         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_close), "view-restore");
 305         gtk_toolbar_insert (GTK_TOOLBAR (t), b_close, -1);
 306         g_signal_connect (b_close, "clicked",
 307                 G_CALLBACK (ev_dscwindow_end), NULL);
 308
 309         gtk_container_add (GTK_CONTAINER (e), t);
 310         gtk_box_pack_end (GTK_BOX (v), e, FALSE, TRUE, 0);
 311         gtk_paned_add1 (GTK_PANED (h), v);
 312
 313         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (g_object_new (
 314                 GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 315         gtk_paned_add2 (GTK_PANED (h), ev_dscwindow->priv->notesview_scrolled_window);
 316
 317         ev_dscwindow->priv->notesview = ev_view_new ();
 318         g_object_ref (ev_dscwindow->priv->notesview);
 319         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 320                 ev_dscwindow->priv->notesview);
 321         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->model);
 322
 323         gtk_paned_set_position (GTK_PANED (h), 400);
 324         gtk_widget_show_all (h);
 325         gtk_container_add (GTK_CONTAINER (ev_dscwindow), h);
 326
 327 /* fallback if we have >2 monitors (see window placement) */
 328 /*+     gtk_window_set_default_size (GTK_WINDOW (self), 800, 600);
 329 +
 330 +       g_signal_connect (h, "notify::position",
 331 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 332 +
 333 +       g_signal_connect (self, "size-allocate",
 334 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 335 +
 336 +       /* This would just open new windows. */
 337 /*+     gtk_drag_dest_unset (GTK_WIDGET (priv->notesview));
 338 +       gtk_drag_dest_unset (GTK_WIDGET (priv->overview));
 339 +
 340 +       gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 341 +       gtk_widget_add_events (GTK_WIDGET (priv->overview), click);
 342 +       g_signal_connect (priv->notesview, "button-press-event",
 343 +                         G_CALLBACK (ev_dscwindow_notes_clicked), self);
 344 */
 345 }
 346
 347
 348 static void
 349 ev_dscwindow_dispose (GObject *obj)
 350 {
 351         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 352         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 353
 354 /*      if (EV_IS_VIEW (priv->overview) {
 355                 ev_document_model_set_document (priv->model, NULL);
 356
 357 +               ev_view_set_document (EV_VIEW (priv->overview),  NULL);
 358 +               g_object_unref (priv->overview);
 359 +       }
 360 +       if (EV_IS_VIEW (priv->notesview)) {
 361 +               ev_view_set_document (EV_VIEW (priv->notesview), NULL);
 362 +               g_object_unref (priv->notesview);
 363 +       }*/
 364 /*TODO: save fulscreen state*/
 365         ev_window_stop_presentation (priv->presentation_window, 0);
 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
 378         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 379 }
 380
 381
 382 static void
 383 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 384 {
 385         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 386         /*parent_class = g_type_class_peek_parent (ev_dscwindow_class);*/
 387         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 388         g_object_class->dispose  = ev_dscwindow_dispose;
 389 }
 390
 391 GtkWidget *
 392 ev_dscwindow_new (void)
 393 {
 394         EvDSCWindow *ev_dscwindow;
 395
 396         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 397         return GTK_WIDGET (ev_dscwindow);
 398 }