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         EvDocument * notesdocument;
  47
  48         GtkWidget *notesview_scrolled_window;
  49         GtkWidget *presentation_window;
  50
  51         EvViewPresentation *presentation_view;
  52         EvDocument * presentation_document;
  53         gint moveback_monitor;
  54 };
  55
  56 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  57         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  58 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  59 #define SIDEBAR_DEFAULT_SIZE    132
  60
  61 /*static gpointer parent_class = NULL;*/
  62
  63 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  64
  65 /**
  66  * ev_dscwindow_switch_monitors: Bring the presentation window and the control window each on the other monitor.
  67  *
  68  * @widget: Callback widget
  69  * @self: EvDSCWindow
  70  **/
  71 static gboolean
  72 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *self)
  73 {
  74 /*
  75 +       if (!EV_IS_DSCWINDOW (self))
  76 +               return FALSE;
  77 +
  78 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
  79 +
  80 +       gint num_monitors = get_num_monitors (GTK_WINDOW (self));
  81 +
  82 +       if (num_monitors == 2) {
  83 +               GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
  84 +               GdkScreen * screen = gtk_window_get_screen (presentation_window);
  85 +
  86 +               gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
  87 +                       GTK_WIDGET (presentation_window)->window);
  88 +
  89 +               gint monitor_2 = (monitor_1 + 1) % 2;
  90 +
  91 +               GdkRectangle coords;
  92 +               gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
  93 +               ev_window_stop_presentation (priv->presentation_window);
  94 +               gtk_window_move (presentation_window, coords.x, coords.y);
  95 +               ev_window_run_presentation (priv->presentation_window);
  96 +               priv->moveback_monitor = monitor_1;
  97 +
  98 +               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  99 +               gtk_window_unmaximize (GTK_WINDOW (self));
 100 +               gtk_window_move (GTK_WINDOW (self), coords.x, coords.y);
 101 +               gtk_window_maximize (GTK_WINDOW (self));
 102 +       }*/
 103         return TRUE;
 104 }
 105
 106 /**
 107  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
 108  **/
 109 static gboolean
 110 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *self)
 111 {
 112 /*
 113 +       EvDSCWindowPrivate *priv = EV_DSCWINDOW_GET_PRIVATE (self);
 114 +       GtkWidget *dialog;
 115 +
 116 +       dialog = gtk_file_chooser_dialog_new (
 117 +               _("Open Document"),
 118 +               GTK_WINDOW (self),
 119 +               GTK_FILE_CHOOSER_ACTION_OPEN,
 120 +               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 121 +               GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 122 +               NULL);
 123 +
 124 +       ev_document_factory_add_filters (dialog, NULL);
 125 +       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 126 +       gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 127 +
 128 +       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 129 +       {
 130 +               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 131 +               GError * error = NULL;
 132 +               ev_view_set_loading (EV_VIEW (priv->notesview), TRUE);
 133 +
 134 +               if (priv->notesdocument) {
 135 +                       ev_document_load (priv->notesdocument, uri, &error);
 136 +               } else {
 137 +                       priv->notesdocument = ev_document_factory_get_document (uri,
 138 +                               &error);
 139 +               }
 140 +               g_free (uri);
 141 +               if (error == NULL){
 142 +                       ev_view_set_document (EV_VIEW (priv->notesview),
 143 +                               priv->notesdocument);
 144 +                       /* TODO: go to the same page that is open at the moment, or
 145 +                        * move the presentation to the beginning. *//*
 146 +               }
 147 +       }
 148 +       gtk_widget_destroy (dialog);
 149 */
 150         return TRUE;
 151 }
 152
 153 /**
 154  * ev_dscwindow_get_control: Get the control instance.
 155  *
 156  * If there is none, create one.
 157  *
 158  * Returns: control instance
 159  **/
 160 EvDSCWindow *
 161 ev_dscwindow_get_control (void)
 162 {
 163         static EvDSCWindow * control = NULL;
 164
 165         if (!control || !EV_IS_DSCWINDOW (control)) {
 166                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 167         }
 168
 169         return control;
 170 }
 171
 172 /*TODO: Fix me!*/
 173 static void
 174 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 175 {
 176         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 177         //if (num_monitors == 2) {
 178                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 179                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 180                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 181                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 182                 gint presentation_monitor = (work_monitor + 1) % 2;
 183                 GdkRectangle coords;
 184                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 185                         &coords);
 186
 187                 gtk_window_move (presentation_window, coords.x, coords.y);
 188                 //ev_window_run_presentation (ev_dscwindow->priv->presentation_window);
 189                 ev_dscwindow->priv->moveback_monitor = work_monitor;
 190                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 191         //}
 192 }
 193 /**
 194  * ev_dscwindow_page_changed_cb: Callback to change page on all views
 195  *
 196  **/
 197 static void
 198 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 199                            GParamSpec      *pspec,
 200                            EvDSCWindow     *ev_dscwindow)
 201 {
 202         gint page = ev_document_model_get_page (model);
 203         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view))
 204                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 205 }
 206 static void
 207 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 208                            GParamSpec      *pspec,
 209                            EvDSCWindow     *ev_dscwindow)
 210 {
 211         gint page = ev_view_presentation_get_current_page (pview);
 212         ev_document_model_set_page (ev_dscwindow->priv->model, page);
 213 }
 214
 215 static gboolean
 216 ev_dscwindow_notes_clicked (GtkWidget *widget, GdkEvent *event,
 217         EvDSCWindow *self)
 218 {
 219         if (!self || !EV_IS_DSCWINDOW (self) || !event)
 220                 return FALSE;
 221         gint page = ev_document_model_get_page (self->priv->model);
 222
 223         if (event->type == GDK_2BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 224                 ev_dscwindow_notes_interaction (NULL, self);
 225         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 226                 ev_document_model_set_page (self->priv->model, page+1);
 227         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 3) {
 228                 ev_document_model_set_page (self->priv->model, page-1);
 229         }
 230         return FALSE;
 231 }
 232
 233 /**
 234  * ev_dscwindow_set_presentation: Set presentation document
 235  * @presentation_window: Main window we can reuse for presentation
 236  **/
 237 void
 238 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 239         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 240 {
 241         if (!EV_IS_WINDOW (presentation_window))
 242                 return;
 243
 244         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 245         ev_dscwindow->priv->presentation_document = document;
 246         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 247         ev_document_model_set_document(ev_dscwindow->priv->model,
 248                 document);
 249         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 250                                   "destroy",
 251                                   G_CALLBACK (gtk_widget_destroy),
 252                                   ev_dscwindow);
 253         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 254                           "notify::page",
 255                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 256                           ev_dscwindow);
 257         ev_dscwindow_window_placement (ev_dscwindow);
 258 }
 259
 260 /**
 261  * ev_dscwindow_end: Destroy control window but keep presentation
 262  */
 263 static gboolean
 264 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 265 {
 266         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 267         return TRUE;
 268 }
 269
 270 /**
 271  * ev_dscwindow_init: Initialize multihead presentation
 272 *
 273 * @ev_dscwindow: EvDSCWindow.
 274 *
 275 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 276 **/
 277 static void
 278 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 279 {
 280         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 281         ev_dscwindow->priv->moveback_monitor = -1;
 282         ev_dscwindow->priv->notesdocument = NULL;
 283
 284         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 285
 286         GtkWidget *h = gtk_hpaned_new ();
 287         GtkWidget *v = gtk_vbox_new (FALSE, 0);
 288
 289         ev_dscwindow->priv->model = ev_document_model_new ();
 290         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 291                           "notify::page",
 292                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 293                           ev_dscwindow);
 294         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 295         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 296                               ev_dscwindow->priv->model);
 297         gtk_box_pack_start (GTK_BOX (v), ev_dscwindow->priv->sidebar, TRUE , TRUE, 0);
 298         gtk_widget_show (ev_dscwindow->priv->sidebar);
 299
 300         GtkWidget *sidebar_widget;
 301         sidebar_widget = ev_sidebar_thumbnails_new ();
 302         /*g_signal_connect (sidebar_widget,
 303                           "notify::main-widget",
 304                           G_CALLBACK (sidebar_page_main_widget_update_cb),
 305                           ev_window);
 306         sidebar_page_main_widget_update_cb (G_OBJECT (sidebar_widget), NULL, ev_window);*/
 307         gtk_widget_show (sidebar_widget);
 308         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 309                              sidebar_widget);
 310
 311         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 312         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 313         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 314
 315         GtkWidget *e = gtk_expander_new (_("Expensive features"));
 316         gtk_expander_set_expanded (GTK_EXPANDER (e), TRUE);
 317
 318         GtkWidget *t = gtk_toolbar_new ();
 319
 320         GtkToolItem* b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 321         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 322         gtk_toolbar_insert (GTK_TOOLBAR (t), b_switch, -1);
 323         g_signal_connect (b_switch, "clicked",
 324                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 325
 326         GtkToolItem* b_notes = gtk_tool_button_new (NULL, _("Load notes ..."));
 327         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_notes), "object-flip-horizontal");
 328         gtk_toolbar_insert (GTK_TOOLBAR (t), b_notes, -1);
 329         g_signal_connect (b_notes, "clicked",
 330                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 331
 332         GtkToolItem* b_close = gtk_tool_button_new (NULL, _("End presentation"));
 333         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_close), "view-restore");
 334         gtk_toolbar_insert (GTK_TOOLBAR (t), b_close, -1);
 335         /*TODO: rework close*/
 336         g_signal_connect (b_close, "clicked",
 337                 G_CALLBACK (ev_dscwindow_end), NULL);
 338
 339         gtk_container_add (GTK_CONTAINER (e), t);
 340         gtk_box_pack_end (GTK_BOX (v), e, FALSE, TRUE, 0);
 341         gtk_paned_add1 (GTK_PANED (h), v);
 342
 343         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (g_object_new (
 344                 GTK_TYPE_SCROLLED_WINDOW, "shadow-type", GTK_SHADOW_IN, NULL));
 345         gtk_paned_add2 (GTK_PANED (h), ev_dscwindow->priv->notesview_scrolled_window);
 346
 347         ev_dscwindow->priv->notesview = ev_view_new ();
 348         g_object_ref (ev_dscwindow->priv->notesview);
 349         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 350                 ev_dscwindow->priv->notesview);
 351         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->model);
 352         gtk_widget_show_all (h);
 353         gtk_container_add (GTK_CONTAINER (ev_dscwindow), h);
 354
 355         gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->notesview));
 356         gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->sidebar));
 357
 358         gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 359         gtk_widget_add_events (GTK_WIDGET (ev_dscwindow->priv->sidebar), click);
 360         /* TODO: actions*/
 361         g_signal_connect (ev_dscwindow->priv->notesview, "button-press-event",
 362                           G_CALLBACK (ev_dscwindow_notes_clicked), ev_dscwindow);
 363 }
 364
 365
 366 static void
 367 ev_dscwindow_dispose (GObject *obj)
 368 {
 369         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 370         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 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         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 383         /*if (priv->overview) {
 384                 g_object_unref (priv->overview);
 385                 priv->overview = NULL;
 386         }*/
 387
 388
 389         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 390 }
 391
 392 static void
 393 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 394 {
 395         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 396         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 397         g_object_class->dispose  = ev_dscwindow_dispose;
 398 }
 399
 400 GtkWidget *
 401 ev_dscwindow_new (void)
 402 {
 403         EvDSCWindow *ev_dscwindow;
 404
 405         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 406         return GTK_WIDGET (ev_dscwindow);
 407 }