]> www.fi.muni.cz Git - evince.git/blobdiff - shell/ev-dualscreen.c
[dualscreen] fix crash on ctrl+w and fix control window closing
[evince.git] / shell / ev-dualscreen.c
index 8d474aaa4df5b38d47a6a9769bb181965013b127..2c219f480a93edc6458d466fbd9ba2e51625656b 100644 (file)
@@ -30,9 +30,7 @@
 #include <gtk/gtk.h>
 
 #include "ev-dualscreen.h"
-#include "ev-window.h"
 #include "ev-view.h"
-#include "ev-view-presentation.h"
 #include "ev-utils.h"
 #include "ev-sidebar.h"
 #include "ev-sidebar-thumbnails.h"
@@ -53,49 +51,84 @@ struct _EvDSCWindowPrivate {
        EvDocumentModel *notes_model;
        EvDocument      *presentation_document;
        EvDocument      *notes_document;
-
+       EvMetadata      *metadata;
        EvViewPresentation *presentation_view;
+
        gint            moveback_monitor;
+       gint            presentation_monitor;
        guint           page;
 };
 
 #define EV_DSCWINDOW_GET_PRIVATE(object) \
        (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_DSCWINDOW, EvDSCWindowPrivate))
 #define PAGE_CACHE_SIZE 52428800 /* 50MB */
-#define SIDEBAR_DEFAULT_SIZE    300
-#define MAX_PRESENTATION_TIME   1440 /*60*24 ONE DAY*/
+#define SIDEBAR_DEFAULT_SIZE    30 /* This seems like bug in gtk to me */
+#define MAX_PRESENTATION_TIME   1440 /* 60*24 ONE DAY */
 
 G_DEFINE_TYPE (EvDSCWindow, ev_dscwindow, GTK_TYPE_WINDOW)
 
+static gint
+ev_dscwindow_get_presentation_window_monitor (EvDSCWindow *ev_dscwindow)
+{
+       GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
+       GdkScreen *screen = gtk_window_get_screen (presentation_window);
+       gint work_monitor = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (GTK_WIDGET (presentation_window)));
+       return work_monitor;
+}
+
+static void
+ev_dscwindow_setup_from_metadata (EvDSCWindow *ev_dscwindow)
+{
+       if (!ev_dscwindow->priv->metadata)
+               return;
+       gint    int_value;
+       gdouble double_value;
+       if (ev_metadata_get_double (ev_dscwindow->priv->metadata, "presentation-time", &double_value))
+               gtk_spin_button_set_value (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner),double_value);
+       if (ev_metadata_get_int (ev_dscwindow->priv->metadata, "presentation-monitor", &int_value)) {
+               ev_dscwindow->priv->presentation_monitor = int_value;
+       } else {
+               ev_dscwindow->priv->presentation_monitor = (ev_dscwindow->priv->moveback_monitor +  1) % 2;
+       }
+}
 
 static gboolean
-ev_dscwindow_switch_monitors (GtkWidget *widget, EvDSCWindow *ev_dscwindow)
+ev_dscwindow_windows_placement (EvDSCWindow *ev_dscwindow)
 {
        if (!EV_IS_DSCWINDOW (ev_dscwindow))
                return FALSE;
 
        gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
-
        if (num_monitors == 2) {
-               GtkWindow *presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
-               GdkScreen *screen = gtk_window_get_screen (presentation_window);
-
-               gint monitor_1 = gdk_screen_get_monitor_at_window (screen,
-                       gtk_widget_get_window (GTK_WIDGET (presentation_window)));
-
-               gint monitor_2 = (monitor_1 + 1) % 2;
-
                GdkRectangle coords;
-               gdk_screen_get_monitor_geometry (screen, monitor_2, &coords);
-               gtk_window_move (presentation_window, coords.x, coords.y);
-               ev_dscwindow->priv->moveback_monitor = monitor_1;
+               GdkScreen *screen = gtk_window_get_screen (GTK_WINDOW (ev_dscwindow));
+               gint presentation_monitor = ev_dscwindow->priv->presentation_monitor;
+               gint control_monitor = (presentation_monitor + 1) % 2;
 
-               gdk_screen_get_monitor_geometry (screen, monitor_1, &coords);
+               gdk_screen_get_monitor_geometry (screen, control_monitor, &coords);
                gtk_window_unmaximize (GTK_WINDOW (ev_dscwindow));
                gtk_window_move (GTK_WINDOW (ev_dscwindow), coords.x, coords.y);
                gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
+
+               gdk_screen_get_monitor_geometry (screen, presentation_monitor,&coords);
+               gtk_window_move (GTK_WINDOW (ev_dscwindow->priv->presentation_window), coords.x, coords.y);
+
+               return TRUE;
+       } else
+               return FALSE;
+}
+
+static void
+ev_dscwindow_switch_monitors (EvDSCWindow *ev_dscwindow)
+{
+       gint num_monitors = get_num_monitors (GTK_WINDOW (ev_dscwindow));
+       if (num_monitors == 2) {
+               ev_dscwindow->priv->presentation_monitor = (ev_dscwindow->priv->presentation_monitor + 1) % 2;
+               if (ev_dscwindow->priv->metadata)
+                       ev_metadata_set_int (ev_dscwindow->priv->metadata,
+                               "presentation-monitor", ev_dscwindow->priv->presentation_monitor);
        }
-       return TRUE;
+       ev_dscwindow_windows_placement (ev_dscwindow);
 }
 
 static void
@@ -109,16 +142,16 @@ ev_dscwindow_set_page (EvDSCWindow *ev_dscwindow, gint page)
 {
        if((ev_dscwindow->priv->page == 0) && (page == 1))
                ev_presentation_timer_start (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer));
-       if(ev_dscwindow->priv->page != page) {
-               if(ev_view_presentation_get_current_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view)) != page);
-                       ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
+       if(!(ev_dscwindow->priv->page == page)) {
+               ev_dscwindow->priv->page = page;
                if(ev_document_model_get_page (ev_dscwindow->priv->model) != page)
                        ev_document_model_set_page(ev_dscwindow->priv->model, page);
                if(ev_document_model_get_page (ev_dscwindow->priv->notes_model) != page)
                        ev_document_model_set_page(ev_dscwindow->priv->notes_model, page);
-               ev_dscwindow->priv->page = page;
+               if(ev_view_presentation_get_current_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view)) != page);
+                       ev_view_presentation_set_page (EV_VIEW_PRESENTATION(ev_dscwindow->priv->presentation_view), page);
+               ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
        }
-       ev_presentation_timer_set_page (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), page);
 }
 
 static void
@@ -126,20 +159,22 @@ ev_dscwindow_presentation_time_cb (EvDSCWindow *ev_dscwindow)
 {
        gint time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (ev_dscwindow->priv->spinner));
        ev_presentation_timer_set_time (EV_PRESENTATION_TIMER (ev_dscwindow->priv->timer),time);
+       if (ev_dscwindow->priv->metadata)
+               ev_metadata_set_double (ev_dscwindow->priv->metadata, "presentation-time", time);
 }
 
 static void
 ev_dscwindow_page_changed_cb (EvDocumentModel *model,
-                          GParamSpec      *pspec,
-                          EvDSCWindow     *ev_dscwindow)
+                             GParamSpec      *pspec,
+                             EvDSCWindow     *ev_dscwindow)
 {
        ev_dscwindow_set_page (ev_dscwindow, ev_document_model_get_page (model));
 }
 
 static void
-ev_dscwindow_presentation_page_changed_cb (EvViewPresentation *pview,
-                          GParamSpec      *pspec,
-                          EvDSCWindow     *ev_dscwindow)
+ev_dscwindow_presentation_page_changed_cb (EvViewPresentation   *pview,
+                                          GParamSpec           *pspec,
+                                          EvDSCWindow          *ev_dscwindow)
 {
        ev_dscwindow_set_page (ev_dscwindow, ev_view_presentation_get_current_page (pview));
 }
@@ -160,10 +195,14 @@ ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwind
        ev_document_factory_add_filters (dialog, NULL);
        gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), FALSE);
        gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog), TRUE);
+       char *uri;
+       if (ev_dscwindow->priv->metadata &&
+           ev_metadata_get_string (ev_dscwindow->priv->metadata, "notes-uri", &uri))
+               gtk_file_chooser_set_uri (GTK_FILE_CHOOSER (dialog),uri);
 
        if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
        {
-               char * uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
+               uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
                GError * error = NULL;
                ev_view_set_loading (EV_VIEW (ev_dscwindow->priv->notesview), TRUE);
 
@@ -173,8 +212,10 @@ ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwind
                        ev_dscwindow->priv->notes_document = ev_document_factory_get_document (uri,
                                &error);
                }
-               g_free (uri);
                if (error == NULL){
+                       if (ev_dscwindow->priv->metadata)
+                               ev_metadata_set_string (ev_dscwindow->priv->metadata,
+                                       "notes-uri", uri);
                        ev_dscwindow->priv->notes_model = ev_document_model_new ();
                        ev_document_model_set_document (ev_dscwindow->priv->notes_model,
                                                        ev_dscwindow->priv->notes_document);
@@ -194,6 +235,7 @@ ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwind
                                          ev_dscwindow);
                }
        }
+       g_free (uri);
        gtk_widget_destroy (dialog);
 
        return TRUE;
@@ -202,7 +244,7 @@ ev_dscwindow_notes_interaction (GtkContainer *container, EvDSCWindow *ev_dscwind
 EvDSCWindow *
 ev_dscwindow_get_control (void)
 {
-       static EvDSCWindow * control = NULL;
+       static EvDSCWindow *control = NULL;
 
        if (!control || !EV_IS_DSCWINDOW (control)) {
                control = EV_DSCWINDOW (g_object_new (EV_TYPE_DSCWINDOW, NULL));
@@ -211,34 +253,23 @@ ev_dscwindow_get_control (void)
        return control;
 }
 
-static void
-ev_dscwindow_window_placement (EvDSCWindow *ev_dscwindow)
-{
-       GtkWindow * presentation_window = GTK_WINDOW (ev_dscwindow->priv->presentation_window);
-       GdkScreen * screen = gtk_window_get_screen (presentation_window);
-       gint work_monitor = gdk_screen_get_monitor_at_window (screen,
-               gtk_widget_get_window (GTK_WIDGET (presentation_window)));
-       gint presentation_monitor = (work_monitor + 1) % 2;
-       GdkRectangle coords;
-       gdk_screen_get_monitor_geometry (screen, presentation_monitor,
-               &coords);
-
-       gtk_window_move (presentation_window, coords.x, coords.y);
-       ev_dscwindow->priv->moveback_monitor = work_monitor;
-       gtk_window_maximize (GTK_WINDOW (ev_dscwindow));
-}
-
 void
-ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
-       EvWindow *presentation_window, EvDocument *document, EvViewPresentation *pview)
+ev_dscwindow_set_presentation   (EvDSCWindow    *ev_dscwindow,
+                                EvWindow       *presentation_window,
+                                EvDocument     *document,
+                                EvViewPresentation *pview,
+                                EvMetadata     *metadata)
 {
-       if (!EV_IS_WINDOW (presentation_window))
+       if (!EV_IS_WINDOW (presentation_window) || !EV_IS_DSCWINDOW (ev_dscwindow) ||
+           !EV_IS_VIEW_PRESENTATION (pview) || !EV_IS_DOCUMENT (document) )
                return;
 
        ev_dscwindow->priv->presentation_window = GTK_WIDGET(presentation_window);
        ev_dscwindow->priv->presentation_document = document;
        ev_dscwindow->priv->presentation_view = EV_VIEW_PRESENTATION(pview);
        ev_dscwindow->priv->page = ev_view_presentation_get_current_page (pview);
+       ev_dscwindow->priv->moveback_monitor = ev_dscwindow_get_presentation_window_monitor (ev_dscwindow);
+       ev_dscwindow->priv->metadata = metadata;
 
        ev_document_model_set_document(ev_dscwindow->priv->model, document);
        ev_document_model_set_page(ev_dscwindow->priv->model, ev_dscwindow->priv->page);
@@ -246,7 +277,7 @@ ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
        g_signal_connect_swapped (ev_dscwindow->priv->presentation_view,
                                  "destroy",
                                  G_CALLBACK (gtk_widget_destroy),
-                                 ev_dscwindow);
+                                 GTK_WIDGET (ev_dscwindow));
        g_signal_connect (G_OBJECT(ev_dscwindow->priv->model),
                          "notify::page",
                          G_CALLBACK (ev_dscwindow_page_changed_cb),
@@ -255,15 +286,23 @@ ev_dscwindow_set_presentation (EvDSCWindow *ev_dscwindow,
                          "notify::page",
                          G_CALLBACK (ev_dscwindow_presentation_page_changed_cb),
                          ev_dscwindow);
-       ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer), ev_document_get_n_pages (document));
-
-       ev_dscwindow_window_placement (ev_dscwindow);
+       ev_presentation_timer_set_pages (EV_PRESENTATION_TIMER(ev_dscwindow->priv->timer),
+               ev_document_get_n_pages (document));
+       /* Wait for windows to get shown before moving them */
+       while(gtk_events_pending())
+               gtk_main_iteration();
+       /* something like http://mail.gnome.org/archives/gtk-list/2008-June/msg00061.html */
+       ev_dscwindow_setup_from_metadata (ev_dscwindow);
+       ev_dscwindow_windows_placement (ev_dscwindow);
 }
 
 static gboolean
 ev_dscwindow_end (GtkWidget *widget, GdkEvent *event)
 {
-       gtk_widget_destroy (GTK_WIDGET (ev_dscwindow_get_control ()));
+       EvDSCWindow *ev_dscwindow = EV_DSCWINDOW(widget);
+       EvWindow *ev_window = EV_WINDOW(ev_dscwindow->priv->presentation_window);
+       ev_window_stop_presentation (ev_window, TRUE);
+       gtk_widget_destroy (widget);
        return TRUE;
 }
 
@@ -284,7 +323,8 @@ ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
        ev_dscwindow->priv->model = ev_document_model_new ();
        ev_document_model_set_continuous (ev_dscwindow->priv->model, FALSE);
        ev_document_model_set_dual_page (ev_dscwindow->priv->model, FALSE);
-       ev_document_model_set_sizing_mode (ev_dscwindow->priv->model, EV_SIZING_BEST_FIT);
+       ev_document_model_set_sizing_mode (ev_dscwindow->priv->model,
+               EV_SIZING_BEST_FIT);
 
        ev_dscwindow->priv->sidebar = ev_sidebar_new ();
        ev_sidebar_set_model (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
@@ -295,19 +335,25 @@ ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
        ev_sidebar_add_page (EV_SIDEBAR (ev_dscwindow->priv->sidebar),
                             sidebar_widget);
 
-       ev_dscwindow->priv->notesview_scrolled_window = GTK_WIDGET (
-               g_object_new (GTK_TYPE_SCROLLED_WINDOW,"shadow-type",
-                               GTK_SHADOW_IN, NULL));
-       gtk_paned_pack1 (GTK_PANED (hpaned), ev_dscwindow->priv->sidebar, FALSE, TRUE);
-       gtk_paned_pack2 (GTK_PANED (hpaned), ev_dscwindow->priv->notesview_scrolled_window, TRUE, TRUE);
-       gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
-
+       ev_dscwindow->priv->notesview_scrolled_window =
+               GTK_WIDGET (g_object_new(GTK_TYPE_SCROLLED_WINDOW,
+                           "shadow-type",
+                           GTK_SHADOW_IN,
+                           NULL));
        ev_dscwindow->priv->notesview = ev_view_new ();
        gtk_container_add (GTK_CONTAINER (ev_dscwindow->priv->notesview_scrolled_window),
-               ev_dscwindow->priv->notesview);
-
+                          ev_dscwindow->priv->notesview);
        ev_dscwindow->priv->notes_model = ev_dscwindow->priv->model;
-       ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview), ev_dscwindow->priv->notes_model);
+       ev_view_set_model (EV_VIEW (ev_dscwindow->priv->notesview),
+                          ev_dscwindow->priv->notes_model);
+       gtk_paned_pack1 (GTK_PANED (hpaned),
+                        ev_dscwindow->priv->sidebar,
+                        FALSE,
+                        TRUE);
+       gtk_paned_pack2 (GTK_PANED (hpaned),
+                        ev_dscwindow->priv->notesview_scrolled_window,
+                        FALSE,
+                        FALSE);
 
        gtk_box_pack_start(GTK_BOX(vbox),hpaned,TRUE,TRUE,0);
 
@@ -316,25 +362,30 @@ ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
        GtkWidget *toolbar = gtk_toolbar_new ();
 
        GtkToolItem *b_switch = gtk_tool_button_new (NULL, _("Switch monitors"));
+       gtk_tool_item_set_tooltip_text (b_switch,
+               _("Switch monitors, In case of more than two monitor window placing has to be manual."));
        gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (b_switch), "object-flip-horizontal");
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_switch, -1);
-       g_signal_connect (b_switch, "clicked",
+       g_signal_connect_swapped (b_switch, "clicked",
                G_CALLBACK (ev_dscwindow_switch_monitors), ev_dscwindow);
 
        GtkToolItem *b_notes = gtk_tool_button_new_from_stock (GTK_STOCK_OPEN);
        gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_notes), _("Load notes..."));
+       gtk_tool_item_set_tooltip_text (b_notes, _("Load your notes document"));
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_notes, -1);
        g_signal_connect (b_notes, "clicked",
                G_CALLBACK (ev_dscwindow_notes_interaction), ev_dscwindow);
 
        GtkToolItem *b_close = gtk_tool_button_new_from_stock (GTK_STOCK_CLOSE);
        gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_close), _("End presentation"));
+       gtk_tool_item_set_tooltip_text (b_close, _("End presentation"));
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_close, -1);
-       g_signal_connect (b_close, "clicked",
-               G_CALLBACK (ev_dscwindow_end), NULL);
+       g_signal_connect_swapped (b_close, "clicked",
+               G_CALLBACK (ev_dscwindow_end), ev_dscwindow);
 
        GtkToolItem *b_sidebar = gtk_tool_button_new_from_stock (GTK_STOCK_PAGE_SETUP);
        gtk_tool_button_set_label (GTK_TOOL_BUTTON(b_sidebar), _("Show sidebar"));
+       gtk_tool_item_set_tooltip_text (b_sidebar, _("Show/hide sidebar"));
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_sidebar, -1);
        g_signal_connect_swapped (b_sidebar, "clicked",
                G_CALLBACK (ev_dscwindow_sidebar_visibility_cb), ev_dscwindow->priv->sidebar);
@@ -348,6 +399,8 @@ ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
                G_CALLBACK (ev_dscwindow_presentation_time_cb), ev_dscwindow);
        gtk_container_add (GTK_CONTAINER (b_spinner), alignment);
        gtk_container_add (GTK_CONTAINER (alignment), ev_dscwindow->priv->spinner);
+       gtk_tool_item_set_tooltip_text (b_spinner,
+               _("To enable timer, set presentation timer to expected time in minutes. Timer starts by changing from first slide to second one. Value -1 means disabled."));
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), b_spinner, -1);
 
        gtk_container_add (GTK_CONTAINER (expander), toolbar);
@@ -355,35 +408,31 @@ ev_dscwindow_init (EvDSCWindow *ev_dscwindow)
        GtkWidget *hpan = gtk_hpaned_new ();
        gtk_paned_pack1 (GTK_PANED(hpan), expander, FALSE, TRUE);
        ev_dscwindow->priv->timer = ev_presentation_timer_new ();
-       gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, TRUE, TRUE);
-       gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
+       gtk_paned_pack2 (GTK_PANED(hpan),ev_dscwindow->priv->timer, FALSE, FALSE);
+
        gtk_box_pack_end (GTK_BOX (vbox), hpan, FALSE, TRUE, 0);
        gtk_container_add (GTK_CONTAINER (ev_dscwindow), vbox);
        gtk_widget_show_all(vbox);
+       gtk_paned_set_position (GTK_PANED (hpan), SIDEBAR_DEFAULT_SIZE);
+       gtk_paned_set_position (GTK_PANED (hpaned), SIDEBAR_DEFAULT_SIZE);
 }
 
 static void
 ev_dscwindow_dispose (GObject *obj)
 {
        EvDSCWindow *ev_dscwindow = EV_DSCWINDOW (obj);
-       EvDSCWindowPrivate *priv = ev_dscwindow->priv;
-
-       if (priv->moveback_monitor >= 0) {
-               GtkWindow * presentation_window = GTK_WINDOW (priv->presentation_window);
-               GdkRectangle coords;
-
-               gdk_screen_get_monitor_geometry (
-                       gtk_window_get_screen (presentation_window),
-                       priv->moveback_monitor, &coords);
-
-               gtk_window_move (presentation_window, coords.x, coords.y);
+       EvDSCWindowPrivate *priv = EV_DSCWINDOW (ev_dscwindow)->priv;
+       EvWindow *ev_window = EV_WINDOW(priv->presentation_window);
+       if(EV_IS_WINDOW (ev_window)) {
+               if (priv->moveback_monitor >= 0) {
+                       GtkWindow *presentation_window = GTK_WINDOW (priv->presentation_window);
+                       GdkRectangle coords;
+
+                       gdk_screen_get_monitor_geometry (gtk_window_get_screen (presentation_window),
+                                                priv->moveback_monitor, &coords);
+                       gtk_window_move (presentation_window, coords.x, coords.y);
+               }
        }
-       /*if (priv->timer) {
-               g_object_unref (priv->timer);
-               priv->timer = NULL;
-       }*/
-       ev_presentation_timer_stop(EV_PRESENTATION_TIMER (priv->timer));
-       ev_window_stop_presentation (EV_WINDOW(priv->presentation_window), TRUE);
        G_OBJECT_CLASS (ev_dscwindow_parent_class)->dispose (obj);
 }