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
  31 struct _EvDSCWindowPrivate {
  32         GtkWidget *main_box;
  33         GtkWidget *menubar;
  34         GtkWidget *overview;
  35         GtkWidget *notesview;
  36         EvDocumentModel *model;
  37         EvDocument * notesdocument;
  38
  39         GtkWidget *overview_scrolled_window;
  40         GtkWidget *notesview_scrolled_window;
  41
  42         EvWindow *presentation_window;
  43         EvDocument * presentation_document;
  44         gint moveback_monitor;
  45 };
  46
  47 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  48         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  49 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  50
  51 /*static gpointer parent_class = NULL;*/
  52
  53 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  54
  55 /**
  56  * ev_dscwindow_switch_monitors: Bring the presentation window and the control window each on the other monitor.
  57  *
  58  * @widget: Callback widget
  59  * @self: EvDSCWindow
  60  **/
  61 static gboolean
  62 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *self)
  63 {
  64 /*
  65 +       if (!EV_IS_DSCWINDOW (self))
  66 +               return FALSE;
  67 +
  68 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
  69 +
  70 +       gint num_monitors = get_num_monitors (GTK_WINDOW (self));
  71 +
  72 +       if (num_monitors == 2) {
  73 +               GtkWindow * presentation_window = GTK_WINDOW (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 (presentation_window)->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 +               ev_window_stop_presentation (priv->presentation_window);
  84 +               gtk_window_move (presentation_window, coords.x, coords.y);
  85 +               ev_window_run_presentation (priv->presentation_window);
  86 +               priv->moveback_monitor = monitor_1;
  87 +
  88 +               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  89 +               gtk_window_unmaximize (GTK_WINDOW (self));
  90 +               gtk_window_move (GTK_WINDOW (self), coords.x, coords.y);
  91 +               gtk_window_maximize (GTK_WINDOW (self));
  92 +       }*/
  93         return TRUE;
  94 }
  95
  96 /**
  97  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
  98  **/
  99 static gboolean
 100 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *self)
 101 {
 102 /*
 103 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
 104 +       GtkWidget *dialog;
 105 +
 106 +       dialog = gtk_file_chooser_dialog_new (
 107 +               _("Open Document"),
 108 +               GTK_WINDOW (self),
 109 +               GTK_FILE_CHOOSER_ACTION_OPEN,
 110 +               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 111 +               GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 112 +               NULL);
 113 +
 114 +       ev_document_factory_add_filters (dialog, NULL);
 115 +       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 116 +       gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 117 +
 118 +       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 119 +       {
 120 +               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 121 +               GError * error = NULL;
 122 +               ev_view_set_loading (EV_VIEW (priv->notesview), TRUE);
 123 +
 124 +               if (priv->notesdocument) {
 125 +                       ev_document_load (priv->notesdocument, uri, &error);
 126 +               } else {
 127 +                       priv->notesdocument = ev_document_factory_get_document (uri,
 128 +                               &error);
 129 +               }
 130 +               g_free (uri);
 131 +               if (error == NULL){
 132 +                       ev_view_set_document (EV_VIEW (priv->notesview),
 133 +                               priv->notesdocument);
 134 +                       /* TODO: go to the same page that is open at the moment, or
 135 +                        * move the presentation to the beginning. *//*
 136 +               }
 137 +       }
 138 +       gtk_widget_destroy (dialog);
 139 */
 140         return TRUE;
 141 }
 142
 143 /**
 144  * ev_dscwindow_get_control: Get the control instance.
 145  *
 146  * If there is none, create one.
 147  *
 148  * Returns: control instance
 149  **/
 150 EvDSCWindow *
 151 ev_dscwindow_get_control (void)
 152 {
 153         static EvDSCWindow * control = NULL;
 154
 155         if (!control || !EV_IS_DSCWINDOW (control)) {
 156                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 157         }
 158
 159         return control;
 160 }
 161 /*TODO: Fix me!*/
 162 static void
 163 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 164 {
 165         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 166         if (num_monitors == 2) {
 167                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 168                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 169
 170                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 171                         GTK_WIDGET (presentation_window)->window);
 172
 173                 gint presentation_monitor = (work_monitor + 1) % 2;
 174
 175                 GdkRectangle coords;
 176                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 177                         &coords);
 178
 179                 gtk_window_move (presentation_window, coords.x, coords.y);
 180                 ev_window_run_presentation (ev_dscwindow->priv->presentation_window);
 181                 ev_dscwindow->priv->moveback_monitor = work_monitor;
 182
 183                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 184         }
 185 }
 186
 187
 188 /**
 189  * ev_dscwindow_set_presentation: Set presentation document
 190  * @presentation_window: Main window we can reuse for presentation
 191  **/
 192 void
 193 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 194         EvWindow *presentation_window)
 195 {
 196         if (!EV_IS_WINDOW (presentation_window))
 197                 return;
 198
 199         ev_dscwindow->priv->presentation_window = presentation_window;
 200         ev_dscwindow->priv->presentation_document = document;
 201
 202         ev_document_model_set_document(ev_dscwindow->priv->model,
 203                 presentation_window->priv->document);
 204 /*      ev_view_set_document (EV_VIEW (priv->notesview),
 205                 priv->presentation_document);
 206         ev_dscwindow_window_placement (self);
 207         ev_dscwindow_handle_resized (NULL, NULL, self);
 208         */
 209 }
 210
 211 /**
 212  * ev_dscwindow_end: Stop presentation mode.
 213  */
 214 static gboolean
 215 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 216 {
 217         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 218         return TRUE;
 219 }
 220
 221 /**
 222 * ev_dscwindow_init: Initialize multihead presentation
 223 *
 224 * @self: EvDSCWindow.
 225 *
 226 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 227 **/
 228 static void
 229 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 230 {
 231         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 232         ev_dscwindow->priv->moveback_monitor = -1;
 233         ev_dscwindow->priv->notesdocument = NULL;
 234
 235         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 236
 237         GtkWidget *h = gtk_hpaned_new ();
 238         GtkWidget *v = gtk_vbox_new (FALSE, 0);
 239
 240         ev_dscwindow->priv->overview_scrolled_window = GTK_WIDGET (g_object_new (
 241                         GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 242         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview_scrolled_window, TRUE, TRUE, 0);
 243
 244         ev_dscwindow->priv->model = ev_document_model_new ();
 245         ev_dscwindow->priv->overview = ev_view_new ();
 246         ev_view_set_page_cache_size (EV_VIEW (ev_dscwindow->priv->overview), PAGE_CACHE_SIZE);
 247         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->overview), ev_dscwindow->priv->model);
 248         ev_document_model_set_continuous (ev_dscwindow->priv->model, TRUE);
 249         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 250         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 251
 252
 253         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->overview_scrolled_window),
 254                                    ev_dscwindow->priv->overview);
 255
 256
 257         GtkWidget *e = gtk_expander_new (_("Expensive features"));
 258         gtk_expander_set_expanded (GTK_EXPANDER (e), TRUE);
 259
 260         GtkWidget *t = gtk_toolbar_new ();
 261
 262         GtkToolItem* b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 263         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 264         gtk_toolbar_insert (GTK_TOOLBAR (t), b_switch, -1);
 265         g_signal_connect (b_switch, "clicked",
 266                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 267
 268         GtkToolItem* b_notes = gtk_tool_button_new (NULL, _("Load notes ..."));
 269         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_notes), "object-flip-horizontal");
 270         gtk_toolbar_insert (GTK_TOOLBAR (t), b_notes, -1);
 271         g_signal_connect (b_notes, "clicked",
 272                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 273
 274         GtkToolItem* b_close = gtk_tool_button_new (NULL, _("End presentation"));
 275         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_close), "view-restore");
 276         gtk_toolbar_insert (GTK_TOOLBAR (t), b_close, -1);
 277         g_signal_connect (b_close, "clicked",
 278                 G_CALLBACK (ev_dscwindow_end), NULL);
 279
 280         gtk_container_add (GTK_CONTAINER (e), t);
 281         gtk_box_pack_end (GTK_BOX (v), e, FALSE, TRUE, 0);
 282         gtk_paned_add1 (GTK_PANED (h), v);
 283
 284 /*
 285         priv->notesview_scrolled_window = GTK_WIDGET (g_object_new (
 286                 GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 287         gtk_paned_add2 (GTK_PANED (h), priv->notesview_scrolled_window);
 288
 289         priv->notesview = ev_view_new ();
 290         g_object_ref (priv->notesview);
 291         ev_view_set_screen_dpi (EV_VIEW (priv->notesview),
 292                                 get_screen_dpi (GTK_WINDOW (self)));
 293 +               gtk_container_add (GTK_CONTAINER (priv->notesview_scrolled_window),
 294 +                                  priv->notesview);
 295 +
 296 +               ev_view_set_continuous (EV_VIEW (priv->notesview), FALSE);
 297 +               ev_view_set_dual_page (EV_VIEW (priv->notesview), FALSE);
 298 +               ev_view_set_sizing_mode (EV_VIEW (priv->notesview), EV_SIZING_BEST_FIT);
 299 +       }
 300 +
 301 +       gtk_paned_set_position (GTK_PANED (h), 400);
 302 +       gtk_widget_show_all (h);
 303 +       gtk_container_add (GTK_CONTAINER (self), h);
 304 +
 305 +       /* fallback if we have >2 monitors (see window placement) */
 306 /*+     gtk_window_set_default_size (GTK_WINDOW (self), 800, 600);
 307 +
 308 +       g_signal_connect (h, "notify::position",
 309 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 310 +
 311 +       g_signal_connect (self, "size-allocate",
 312 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 313 +
 314 +       /* This would just open new windows. */
 315 /*+     gtk_drag_dest_unset (GTK_WIDGET (priv->notesview));
 316 +       gtk_drag_dest_unset (GTK_WIDGET (priv->overview));
 317 +
 318 +       gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 319 +       gtk_widget_add_events (GTK_WIDGET (priv->overview), click);
 320 +       g_signal_connect (priv->notesview, "button-press-event",
 321 +                         G_CALLBACK (ev_dscwindow_notes_clicked), self);
 322 */
 323 }
 324
 325
 326 static void
 327 ev_dscwindow_dispose (GObject *obj)
 328 {
 329         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 330         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 331
 332 /*      if (EV_IS_VIEW (priv->overview) {
 333                 ev_document_model_set_document (priv->model, NULL);
 334
 335 +               ev_view_set_document (EV_VIEW (priv->overview),  NULL);
 336 +               g_object_unref (priv->overview);
 337 +       }
 338 +       if (EV_IS_VIEW (priv->notesview)) {
 339 +               ev_view_set_document (EV_VIEW (priv->notesview), NULL);
 340 +               g_object_unref (priv->notesview);
 341 +       }*/
 342 /*TODO: save fulscreen state*/
 343         ev_window_stop_presentation (priv->presentation_window, 0);
 344
 345         if (priv->moveback_monitor >= 0) {
 346                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 347                 GdkRectangle coords;
 348
 349                 gdk_screen_get_monitor_geometry (
 350                         gtk_window_get_screen (presentation_window),
 351                         priv->moveback_monitor, &coords);
 352
 353                 gtk_window_move (presentation_window, coords.x, coords.y);
 354         }
 355
 356         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 357 }
 358
 359
 360 static void
 361 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 362 {
 363         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 364         /*parent_class = g_type_class_peek_parent (ev_dscwindow_class);*/
 365         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 366         g_object_class->dispose  = ev_dscwindow_dispose;
 367 }
 368
 369 GtkWidget *
 370 ev_dscwindow_new (void)
 371 {
 372         EvDSCWindow *ev_dscwindow;
 373
 374         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 375         return GTK_WIDGET (ev_dscwindow);
 376 }