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         EvDocumentModel *notes_model;
  47         EvDocument      *presentation_document;
  48         EvDocument      *notes_document;
  49
  50         GtkWidget       *presentation_window;
  51         GtkWidget       *overview_scrolled_window;
  52         GtkWidget       *notesview_scrolled_window;
  53
  54         EvViewPresentation *presentation_view;
  55         gint            moveback_monitor;
  56 };
  57
  58 #define EV_DSCWINDOW_GET_PRIVATE(object) \
  59         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
  60 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
  61
  62 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
  63
  64 static gboolean
  65 ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
  66 {
  67         if (!EV_IS_DSCWINDOW (ev_dscwindow))
  68                 return FALSE;
  69
  70         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
  71
  72         if (num_monitors == 2) {
  73                 GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->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_get_window (GTK_WIDGET (presentation_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                 gtk_window_move (presentation_window, coords.x, coords.y);
  84                 ev_dscwindow->priv->moveback_monitor = monitor_1;
  85
  86                 gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
  87                 gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
  88                 gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
  89                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
  90         }
  91         return TRUE;
  92 }
  93
  94 static void
  95 ev_dscwindow_sidebar_visibility(GtkWidget *sidebar)
  96 {
  97         gtk_widget_set_visible (sidebar, !(gtk_widget_get_visible(sidebar)));
  98 }
  99
 100 static void
 101 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
 102                            GParamSpec      *pspec,
 103                            EvDSCWindow     *ev_dscwindow)
 104 {
 105         gint page = ev_document_model_get_page (model);
 106         if(page != ev_view_presentation_get_current_page (ev_dscwindow->priv->presentation_view)) {
 107                 ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
 108         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 109                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 110         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 111                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 112         }
 113 }
 114
 115 static void
 116 ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
 117                            GParamSpec      *pspec,
 118                            EvDSCWindow     *ev_dscwindow)
 119 {
 120         gint page = ev_view_presentation_get_current_page (pview);
 121         if( ev_document_model_get_page (ev_dscwindow->priv->model) != page)
 122                 ev_document_model_set_page(ev_dscwindow->priv->model, page);
 123         if( ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
 124                 ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
 125 }
 126
 127 /**
 128  * ev_dscwindow_notes_interaction: User wants to load a different file as notes.
 129  **/
 130 static gboolean
 131 ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwindow)
 132 {
 133         GtkWidget *dialog;
 134
 135         dialog = gtk_file_chooser_dialog_new (
 136                 _("Open Document"),
 137                 GTK_WINDOW (ev_dscwindow),
 138                 GTK_FILE_CHOOSER_ACTION_OPEN,
 139                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 140                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 141                 NULL);
 142
 143         ev_document_factory_add_filters (dialog, NULL);
 144         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
 145         gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
 146
 147         if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 148         {
 149                 char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 150                 GError * error = NULL;
 151                 ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 152
 153                 if (ev_dscwindow->priv->notes_document) {
 154                         ev_document_load (ev_dscwindow->priv->notes_document, uri, &error);
 155                 } else {
 156                         ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
 157                                 &error);
 158                 }
 159                 g_free (uri);
 160                 if (error == NULL){
 161                         ev_dscwindow->priv->notes_model = ev_document_model_new ();
 162                         ev_document_model_set_document (ev_dscwindow->priv->notes_model, ev_dscwindow->priv->notes_document);
 163                         ev_document_model_set_continuous (ev_dscwindow->priv->notes_model, FALSE);
 164                         ev_document_model_set_dual_page (ev_dscwindow->priv->notes_model, FALSE);
 165                         ev_document_model_set_sizing_mode (ev_dscwindow->priv->notes_model, EV_SIZING_BEST_FIT);
 166                         ev_document_model_set_page (ev_dscwindow->priv->notes_model,
 167                                 ev_document_model_get_page (ev_dscwindow->priv->model));
 168                         ev_view_set_model(EV_VIEW(ev_dscwindow->priv->notesview),
 169                                           ev_dscwindow->priv->notes_model);
 170                         g_signal_connect (G_OBJECT(ev_dscwindow->priv->notes_model),
 171                                           "notify::page",
 172                                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 173                                           ev_dscwindow);
 174                 }
 175         }
 176         gtk_widget_destroy (dialog);
 177
 178         return TRUE;
 179 }
 180
 181 /**
 182  * ev_dscwindow_get_control: Get the control instance.
 183  *
 184  * If there is none, create one.
 185  *
 186  * Returns: control instance
 187  **/
 188 EvDSCWindow *
 189 ev_dscwindow_get_control (void)
 190 {
 191         static EvDSCWindow * control = NULL;
 192
 193         if (!control || !EV_IS_DSCWINDOW (control)) {
 194                 control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
 195         }
 196
 197         return control;
 198 }
 199
 200 static void
 201 ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
 202 {
 203         gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
 204         if (num_monitors == 2) {
 205                 GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
 206                 GdkScreen * screen = gtk_window_get_screen (presentation_window);
 207                 gint work_monitor = gdk_screen_get_monitor_at_window (screen,
 208                         gtk_widget_get_window (GTK_WIDGET (presentation_window)));
 209                 gint presentation_monitor = (work_monitor + 1) % 2;
 210                 GdkRectangle coords;
 211                 gdk_screen_get_monitor_geometry (screen, presentation_monitor,
 212                         &coords);
 213
 214                 gtk_window_move (presentation_window, coords.x, coords.y);
 215                 ev_dscwindow->priv->moveback_monitor = work_monitor;
 216                 gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
 217         }
 218 }
 219
 220 static gboolean
 221 ev_dscwindow_notes_clicked (GtkWidget *widget, GdkEvent *event,
 222         EvDSCWindow *self)
 223 {
 224         if (!self || !EV_IS_DSCWINDOW (self) || !event)
 225                 return FALSE;
 226         gint page = ev_document_model_get_page (self->priv->model);
 227
 228         if (event->type == GDK_2BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 229                 ev_dscwindow_notes_interaction (NULL, self);
 230         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 1) {
 231                 ev_document_model_set_page (self->priv->model, page+1);
 232         } else if (event->type == GDK_BUTTON_PRESS && ((GdkEventButton *)event)->button == 3) {
 233                 ev_document_model_set_page (self->priv->model, page-1);
 234         }
 235         return FALSE;
 236 }
 237
 238 void
 239 ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
 240         EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
 241 {
 242         if (!EV_IS_WINDOW (presentation_window))
 243                 return;
 244
 245         ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
 246         ev_dscwindow->priv->presentation_document = document;
 247         ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
 248         ev_document_model_set_document(ev_dscwindow->priv->model, document);
 249         ev_document_model_set_page(ev_dscwindow->priv->model, ev_view_presentation_get_current_page (pview));
 250         g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
 251                                   "destroy",
 252                                   G_CALLBACK (gtk_widget_destroy),
 253                                   ev_dscwindow);
 254         g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
 255                           "notify::page",
 256                           G_CALLBACK (ev_dscwindow_page_changed_cb),
 257                           ev_dscwindow);
 258         g_signal_connect (G_OBJECT(ev_dscwindow->priv->presentation_view),
 259                           "notify::page",
 260                           G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
 261                           ev_dscwindow);
 262         ev_dscwindow_window_placement (ev_dscwindow);
 263 }
 264
 265 /**
 266  * ev_dscwindow_end: Destroy control window but keep presentation
 267  */
 268 static gboolean
 269 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 270 {
 271         gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
 272         return TRUE;
 273 }
 274
 275 /**
 276  * ev_dscwindow_init: Initialize multihead presentation
 277 *
 278 * @ev_dscwindow: EvDSCWindow.
 279 *
 280 * ev_dscwindow_set_presentation has to be called afterwards for loading in a document. TBD
 281 **/
 282 static void
 283 ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
 284 {
 285
 286         ev_dscwindow->priv = EV_DSCWINDOW_GET_PRIVATE (ev_dscwindow);
 287         ev_dscwindow->priv->moveback_monitor = -1;
 288         ev_dscwindow->priv->notes_document = NULL;
 289
 290         gtk_window_set_title (GTK_WINDOW (ev_dscwindow), _("Presentation Control"));
 291
 292         GtkWidget *hpaned = gtk_hpaned_new ();
 293         GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 294
 295         ev_dscwindow->priv->model = ev_document_model_new ();
 296         ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
 297         ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
 298         ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
 299
 300         ev_dscwindow->priv->sidebar = ev_sidebar_new ();
 301         ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 302                               ev_dscwindow->priv->model);
 303         GtkWidget *sidebar_widget;
 304         sidebar_widget = ev_sidebar_thumbnails_new ();
 305         gtk_widget_show (sidebar_widget);
 306         ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
 307                              sidebar_widget);
 308         gtk_widget_show (ev_dscwindow->priv->sidebar);
 309         gtk_paned_add1(GTK_PANED(hpaned), ev_dscwindow->priv->sidebar);
 310
 311         ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
 312                 g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
 313                                 GTK_SHADOW_IN, NULL));
 314         gtk_paned_add2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window);
 315
 316         ev_dscwindow->priv->notesview = ev_view_new ();
 317         g_object_ref (ev_dscwindow->priv->notesview);
 318         gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
 319                 ev_dscwindow->priv->notesview);
 320         ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
 321         ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
 322         gtk_widget_show_all (hpaned);
 323         gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 324
 325         GtkWidget *expander = gtk_expander_new (_("Expensive features"));
 326         gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
 327         GtkWidget *toolbar = gtk_toolbar_new ();
 328
 329         GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
 330         gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
 331         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
 332         g_signal_connect (b_switch, "clicked",
 333                 G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 334
 335         GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
 336         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
 337         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
 338         g_signal_connect (b_notes, "clicked",
 339                 G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 340
 341         GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
 342         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
 343         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
 344         g_signal_connect (b_close, "clicked",
 345                 G_CALLBACK (ev_dscwindow_end), NULL);
 346
 347         GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
 348         gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
 349         gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
 350         g_signal_connect_swapped (b_sidebar, "clicked",
 351                 G_CALLBACK (ev_dscwindow_sidebar_visibility), ev_dscwindow->priv->sidebar);
 352
 353         gtk_container_add (GTK_CONTAINER (expander), toolbar);
 354         gtk_box_pack_end (GTK_BOX (vbox), expander, FALSE, TRUE, 0);
 355
 356 //      gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->notesview));
 357 //      gtk_drag_dest_unset (GTK_WIDGET (ev_dscwindow->priv->sidebar));
 358
 359 //      gint click = GDK_BUTTON1_MOTION_MASK | GDK_KEY_PRESS_MASK;
 360 //      gtk_widget_add_events (GTK_WIDGET (ev_dscwindow->priv->sidebar), click);
 361         /* TODO: actions, this part is broken...*/
 362         /*g_signal_connect (ev_dscwindow->priv->notesview, "button-press-event",
 363                           G_CALLBACK (ev_dscwindow_notes_clicked), ev_dscwindow);*/
 364
 365         gtk_widget_show_all(vbox);
 366         gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
 367 }
 368
 369
 370 static void
 371 ev_dscwindow_dispose (GObject *obj)
 372 {
 373         EvDSCWindow * ev_dscwindow = EV_DSCWINDOW (obj);
 374         EvDSCWindowPrivate *priv = ev_dscwindow->priv;
 375
 376         if (priv->moveback_monitor >= 0) {
 377                 GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
 378                 GdkRectangle coords;
 379
 380                 gdk_screen_get_monitor_geometry (
 381                         gtk_window_get_screen (presentation_window),
 382                         priv->moveback_monitor, &coords);
 383
 384                 gtk_window_move (presentation_window, coords.x, coords.y);
 385         }
 386         ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
 387         /*if (priv->overview) {
 388                 g_object_unref (priv->overview);
 389                 priv->overview = NULL;
 390         }*/
 391
 392
 393         G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 394 }
 395
 396 static void
 397 ev_dscwindow_class_init (EvDSCWindowClass *ev_dscwindow_class)
 398 {
 399         GObjectClass *g_object_class = G_OBJECT_CLASS (ev_dscwindow_class);
 400         g_type_class_add_private (g_object_class, sizeof (EvDSCWindowPrivate));
 401         g_object_class->dispose  = ev_dscwindow_dispose;
 402 }
 403
 404 GtkWidget *
 405 ev_dscwindow_new (void)
 406 {
 407         EvDSCWindow *ev_dscwindow;
 408
 409         ev_dscwindow = g_object_new (EV_TYPE_DSCWINDOW, "type", GTK_WINDOW_TOPLEVEL, NULL);
 410         return GTK_WIDGET (ev_dscwindow);
 411 }