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
  32 struct _EvDSCWindowPrivate {
  33         GtkWidget *main_box;
  34         GtkWidget *menubar;
  35         GtkWidget *overview;
  36         GtkWidget *notesview;
  37         EvDocumentModel *model;
  38         EvDocument * notesdocument;
  39
  40         GtkWidget *overview_scrolled_window;
  41         GtkWidget *notesview_scrolled_window;
  42
  43         EvWindow *presentation_window;
  44         EvDocument * presentation_document;
  45         gint moveback_monitor;
  46 };
  47
  48 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  49         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  50 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  51
  52 /*static gpointer parent_class = NULL;*/
  53
  54 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  55
  56 /**
  57  * ev_dscwindow_switch_monitors: Bring the presentation window and the control window each on the other monitor.
  58  *
  59  * @widget: Callback widget
  60  * @self: EvDSCWindow
  61  **/
  62 static gboolean
  63 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *self)
  64 {
  65 /*
  66 +       if (!EV_IS_DSCWINDOW (self))
  67 +               return FALSE;
  68 +
  69 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
  70 +
  71 +       gint num_monitors = get_num_monitors (GTK_WINDOW (self));
  72 +
  73 +       if (num_monitors == 2) {
  74 +               GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
  75 +               GdkScreen * screen = gtk_window_get_screen (presentation_window);
  76 +
  77 +               gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  78 +                       GTK_WIDGET (presentation_window)->window);
  79 +
  80 +               gint monitor_2 = (monitor_1 + 1) % 2;
  81 +
  82 +               GdkRectangle coords;
  83 +               gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  84 +               ev_window_stop_presentation (priv->presentation_window);
  85 +               gtk_window_move (presentation_window, coords.x, coords.y);
  86 +               ev_window_run_presentation (priv->presentation_window);
  87 +               priv->moveback_monitor = monitor_1;
  88 +
  89 +               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  90 +               gtk_window_unmaximize (GTK_WINDOW (self));
  91 +               gtk_window_move (GTK_WINDOW (self), coords.x, coords.y);
  92 +               gtk_window_maximize (GTK_WINDOW (self));
  93 +       }*/
  94         return TRUE;
  95 }
  96
  97 /**
  98  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
  99  **/
 100 static gboolean
 101 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *self)
 102 {
 103 /*
 104 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
 105 +       GtkWidget *dialog;
 106 +
 107 +       dialog = gtk_file_chooser_dialog_new (
 108 +               _("Open Document"),
 109 +               GTK_WINDOW (self),
 110 +               GTK_FILE_CHOOSER_ACTION_OPEN,
 111 +               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 112 +               GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 113 +               NULL);
 114 +
 115 +       ev_document_factory_add_filters (dialog, NULL);
 116 +       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 117 +       gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 118 +
 119 +       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 120 +       {
 121 +               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 122 +               GError * error = NULL;
 123 +               ev_view_set_loading (EV_VIEW (priv->notesview), TRUE);
 124 +
 125 +               if (priv->notesdocument) {
 126 +                       ev_document_load (priv->notesdocument, uri, &error);
 127 +               } else {
 128 +                       priv->notesdocument = ev_document_factory_get_document (uri,
 129 +                               &error);
 130 +               }
 131 +               g_free (uri);
 132 +               if (error == NULL){
 133 +                       ev_view_set_document (EV_VIEW (priv->notesview),
 134 +                               priv->notesdocument);
 135 +                       /* TODO: go to the same page that is open at the moment, or
 136 +                        * move the presentation to the beginning. *//*
 137 +               }
 138 +       }
 139 +       gtk_widget_destroy (dialog);
 140 */
 141         return TRUE;
 142 }
 143
 144 /**
 145  * ev_dscwindow_get_control: Get the control instance.
 146  *
 147  * If there is none, create one.
 148  *
 149  * Returns: control instance
 150  **/
 151 EvDSCWindow *
 152 ev_dscwindow_get_control (void)
 153 {
 154         static EvDSCWindow * control = NULL;
 155
 156         if (!control || !EV_IS_DSCWINDOW (control)) {
 157                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 158         }
 159
 160         return control;
 161 }
 162
 163 /*TODO: Fix me!*/
 164 static void
 165 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 166 {
 167         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 168         if (num_monitors == 2) {
 169                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 170                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 171
 172                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 173                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 174
 175                 gint presentation_monitor = (work_monitor + 1) % 2;
 176
 177                 GdkRectangle coords;
 178                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 179                         &coords);
 180
 181                 gtk_window_move (presentation_window, coords.x, coords.y);
 182                 ev_window_run_presentation (ev_dscwindow->priv->presentation_window);
 183                 ev_dscwindow->priv->moveback_monitor = work_monitor;
 184
 185                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 186         }
 187 }
 188
 189
 190 /**
 191  * ev_dscwindow_set_presentation: Set presentation document
 192  * @presentation_window: Main window we can reuse for presentation
 193  **/
 194 void
 195 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 196         EvWindow *presentation_window, EvDocument *document)
 197 {
 198         if (!EV_IS_WINDOW (presentation_window))
 199                 return;
 200
 201         ev_dscwindow->priv->presentation_window = presentation_window;
 202         ev_dscwindow->priv->presentation_document = document;
 203
 204         ev_document_model_set_document(ev_dscwindow->priv->model,
 205                 document);
 206 /*      ev_view_set_document (EV_VIEW (priv->notesview),
 207                 priv->presentation_document);*/
 208         ev_dscwindow_window_placement (ev_dscwindow);
 209         /*ev_dscwindow_handle_resized (NULL, NULL, self);
 210         */
 211 }
 212
 213 /**
 214  * ev_dscwindow_end: Stop presentation mode.
 215  */
 216 static gboolean
 217 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 218 {
 219         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 220         return TRUE;
 221 }
 222
 223 /**
 224 * ev_dscwindow_init: Initialize multihead presentation
 225 *
 226 * @self: EvDSCWindow.
 227 *
 228 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 229 **/
 230 static void
 231 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 232 {
 233         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 234         ev_dscwindow->priv->moveback_monitor = -1;
 235         ev_dscwindow->priv->notesdocument = NULL;
 236
 237         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 238
 239         GtkWidget *h = gtk_hpaned_new ();
 240         GtkWidget *v = gtk_vbox_new (FALSE, 0);
 241
 242         ev_dscwindow->priv->overview_scrolled_window = GTK_WIDGET (g_object_new (
 243                         GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 244         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->overview_scrolled_window, TRUE, TRUE, 0);
 245
 246         ev_dscwindow->priv->model = ev_document_model_new ();
 247         ev_dscwindow->priv->overview = ev_view_new ();
 248         ev_view_set_page_cache_size (EV_VIEW (ev_dscwindow->priv->overview), PAGE_CACHE_SIZE);
 249         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->overview), ev_dscwindow->priv->model);
 250         ev_document_model_set_continuous (ev_dscwindow->priv->model, TRUE);
 251         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 252         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 253
 254
 255         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->overview_scrolled_window),
 256                                    ev_dscwindow->priv->overview);
 257
 258
 259         GtkWidget *e = gtk_expander_new (_("Expensive features"));
 260         gtk_expander_set_expanded (GTK_EXPANDER (e), TRUE);
 261
 262         GtkWidget *t = gtk_toolbar_new ();
 263
 264         GtkToolItem* b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 265         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 266         gtk_toolbar_insert (GTK_TOOLBAR (t), b_switch, -1);
 267         g_signal_connect (b_switch, "clicked",
 268                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 269
 270         GtkToolItem* b_notes = gtk_tool_button_new (NULL, _("Load notes ..."));
 271         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_notes), "object-flip-horizontal");
 272         gtk_toolbar_insert (GTK_TOOLBAR (t), b_notes, -1);
 273         g_signal_connect (b_notes, "clicked",
 274                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 275
 276         GtkToolItem* b_close = gtk_tool_button_new (NULL, _("End presentation"));
 277         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_close), "view-restore");
 278         gtk_toolbar_insert (GTK_TOOLBAR (t), b_close, -1);
 279         g_signal_connect (b_close, "clicked",
 280                 G_CALLBACK (ev_dscwindow_end), NULL);
 281
 282         gtk_container_add (GTK_CONTAINER (e), t);
 283         gtk_box_pack_end (GTK_BOX (v), e, FALSE, TRUE, 0);
 284         gtk_paned_add1 (GTK_PANED (h), v);
 285
 286 /*
 287         priv->notesview_scrolled_window = GTK_WIDGET (g_object_new (
 288                 GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 289         gtk_paned_add2 (GTK_PANED (h), priv->notesview_scrolled_window);
 290
 291         priv->notesview = ev_view_new ();
 292         g_object_ref (priv->notesview);
 293         ev_view_set_screen_dpi (EV_VIEW (priv->notesview),
 294                                 get_screen_dpi (GTK_WINDOW (self)));
 295 +               gtk_container_add (GTK_CONTAINER (priv->notesview_scrolled_window),
 296 +                                  priv->notesview);
 297 +
 298 +               ev_view_set_continuous (EV_VIEW (priv->notesview), FALSE);
 299 +               ev_view_set_dual_page (EV_VIEW (priv->notesview), FALSE);
 300 +               ev_view_set_sizing_mode (EV_VIEW (priv->notesview), EV_SIZING_BEST_FIT);
 301 +       }
 302 +
 303 +       gtk_paned_set_position (GTK_PANED (h), 400);
 304         gtk_widget_show_all (h);
 305 +       gtk_container_add (GTK_CONTAINER (self), h);
 306 +
 307 +       /* fallback if we have >2 monitors (see window placement) */
 308 /*+     gtk_window_set_default_size (GTK_WINDOW (self), 800, 600);
 309 +
 310 +       g_signal_connect (h, "notify::position",
 311 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 312 +
 313 +       g_signal_connect (self, "size-allocate",
 314 +               G_CALLBACK (ev_dscwindow_handle_resized), self);
 315 +
 316 +       /* This would just open new windows. */
 317 /*+     gtk_drag_dest_unset (GTK_WIDGET (priv->notesview));
 318 +       gtk_drag_dest_unset (GTK_WIDGET (priv->overview));
 319 +
 320 +       gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 321 +       gtk_widget_add_events (GTK_WIDGET (priv->overview), click);
 322 +       g_signal_connect (priv->notesview, "button-press-event",
 323 +                         G_CALLBACK (ev_dscwindow_notes_clicked), self);
 324 */
 325 }
 326
 327
 328 static void
 329 ev_dscwindow_dispose (GObject *obj)
 330 {
 331         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 332         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 333
 334 /*      if (EV_IS_VIEW (priv->overview) {
 335                 ev_document_model_set_document (priv->model, NULL);
 336
 337 +               ev_view_set_document (EV_VIEW (priv->overview),  NULL);
 338 +               g_object_unref (priv->overview);
 339 +       }
 340 +       if (EV_IS_VIEW (priv->notesview)) {
 341 +               ev_view_set_document (EV_VIEW (priv->notesview), NULL);
 342 +               g_object_unref (priv->notesview);
 343 +       }*/
 344 /*TODO: save fulscreen state*/
 345         ev_window_stop_presentation (priv->presentation_window, 0);
 346
 347         if (priv->moveback_monitor >= 0) {
 348                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 349                 GdkRectangle coords;
 350
 351                 gdk_screen_get_monitor_geometry (
 352                         gtk_window_get_screen (presentation_window),
 353                         priv->moveback_monitor, &coords);
 354
 355                 gtk_window_move (presentation_window, coords.x, coords.y);
 356         }
 357
 358         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 359 }
 360
 361
 362 static void
 363 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 364 {
 365         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 366         /*parent_class = g_type_class_peek_parent (ev_dscwindow_class);*/
 367         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 368         g_object_class->dispose  = ev_dscwindow_dispose;
 369 }
 370
 371 GtkWidget *
 372 ev_dscwindow_new (void)
 373 {
 374         EvDSCWindow *ev_dscwindow;
 375
 376         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 377         return GTK_WIDGET (ev_dscwindow);
 378 }