[dualscreen] beta pageswitch [shell] todo change run_presentation [presentation]...

[evince.git] / libview / ev-view-presentation.c

diff --git a/libview/ev-view-presentation.c b/libview/ev-view-presentation.c
index 8694e5e304ef6d4a48d9d872f4fd5372b752cb02..bbbfd4f9435737518b17078540e6e8cf4bf6e035 100644 (file)
--- a/libview/ev-view-presentation.c
+++ b/libview/ev-view-presentation.c
@@ -30,6 +30,7 @@
 #include "ev-transition-animation.h"
 #include "ev-view-cursor.h"
 #include "ev-page-cache.h"
+#include "ev-view-marshal.h"
 
 enum {
        PROP_0,
@@ -40,6 +41,7 @@ enum {
 };
 
 enum {
+       PAGE_CHANGED,
        CHANGE_PAGE,
        FINISHED,
         SIGNAL_EXTERNAL_LINK,
@@ -97,6 +99,9 @@ struct _EvViewPresentationClass
        GtkWidgetClass base_class;
 
        /* signals */
+       void (* page_changed) (EvViewPresentation   *pview,
+                                                  gint                  old_page,
+                                          gint                  new_page);
        void (* change_page)   (EvViewPresentation *pview,
                                 GtkScrollType       scroll);
        void (* finished)      (EvViewPresentation *pview);
@@ -488,6 +493,8 @@ ev_view_presentation_update_current_page (EvViewPresentation *pview,
                }
        }
 
+       g_signal_emit (pview, signals[PAGE_CHANGED], 0, pview->current_page);
+
        pview->current_page = page;
 
        if (pview->page_cache)
@@ -504,6 +511,19 @@ ev_view_presentation_update_current_page (EvViewPresentation *pview,
                gtk_widget_queue_draw (GTK_WIDGET (pview));
 }
 
+void
+ev_view_presentation_set_page (EvViewPresentation *pview, gint new_page)
+{
+       guint n_pages;
+
+       n_pages = ev_document_get_n_pages (pview->document);
+
+       if (new_page >= n_pages)
+               ev_view_presentation_set_end (pview);
+       else
+               ev_view_presentation_update_current_page (pview, new_page);
+}
+
 void
 ev_view_presentation_next_page (EvViewPresentation *pview)
 {
@@ -1382,8 +1402,8 @@ ev_view_presentation_get_property (GObject    *object,
 
 static GObject *
 ev_view_presentation_constructor (GType                  type,
-                                 guint                  n_construct_properties,
-                                 GObjectConstructParam *construct_params)
+                                                                 guint                  n_construct_properties,
+                                                                 GObjectConstructParam *construct_params)
 {
        GObject            *object;
        EvViewPresentation *pview;
@@ -1470,6 +1490,15 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
                              g_cclosure_marshal_VOID__ENUM,
                              G_TYPE_NONE, 1,
                              GTK_TYPE_SCROLL_TYPE);
+       signals [PAGE_CHANGED] =
+               g_signal_new ("page-changed",
+                             EV_TYPE_VIEW_PRESENTATION,
+                             G_SIGNAL_RUN_LAST,
+                             G_STRUCT_OFFSET (EvViewPresentationClass, page_changed),
+                             NULL, NULL,
+                             g_cclosure_marshal_VOID__INT,
+                             G_TYPE_NONE, 2,
+                             G_TYPE_INT, G_TYPE_INT);
        signals[FINISHED] =
                g_signal_new ("finished",
                              G_OBJECT_CLASS_TYPE (gobject_class),