+ int i;
+
+ if (view->document == NULL)
+ return;
+
+ g_assert (page);
+ g_assert (x_offset);
+ g_assert (y_offset);
+
+ for (i = view->start_page; i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (! get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ if ((x >= page_area.x + border.left) &&
+ (x < page_area.x + page_area.width - border.right) &&
+ (y >= page_area.y + border.top) &&
+ (y < page_area.y + page_area.height - border.bottom)) {
+ *page = i;
+ *x_offset = x - (page_area.x + border.left);
+ *y_offset = y - (page_area.y + border.top);
+ return;
+ }
+ }
+
+ *page = -1;
+}
+
+static gboolean
+location_in_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ GdkRegion *region;
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return FALSE;
+
+ region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
+
+ if (region)
+ return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
+ else
+ return FALSE;
+}
+
+static int
+ev_view_get_width (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.width;
+}
+
+static int
+ev_view_get_height (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.height;
+}
+
+static gboolean
+location_in_selected_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ EvViewSelection *selection;
+ GList *l = NULL;
+
+ for (l = view->selection_info.selections; l != NULL; l = l->next) {
+ selection = (EvViewSelection *)l->data;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page != selection->page)
+ continue;
+
+ if (selection->covered_region &&
+ gdk_region_point_in (selection->covered_region, x_offset, y_offset))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*** Hyperref ***/
+static EvLink *
+ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ GList *link_mapping;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return NULL;
+
+ link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
+
+ if (link_mapping)
+ return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
+ else
+ return NULL;
+}
+
+static void
+goto_fitr_link (EvView *view, EvLink *link)
+{
+ EvPoint doc_point;
+ int page;
+ double zoom;
+
+ zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
+ ev_link_get_top (link) - ev_link_get_bottom (link),
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0, 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ page = ev_link_get_page (link);
+ doc_point.x = ev_link_get_left (link);
+ doc_point.y = ev_link_get_top (link);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fitv_link (EvView *view, EvLink *link)
+{
+ EvPoint doc_point;
+ int doc_width, doc_height, page;
+ double zoom;
+
+ page = ev_link_get_page (link);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ doc_point.x = ev_link_get_left (link);
+ doc_point.y = 0;
+
+ zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fith_link (EvView *view, EvLink *link)
+{
+ EvPoint doc_point;
+ int doc_width, doc_height, page;
+ double zoom;
+
+ page = ev_link_get_page (link);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ doc_point.x = 0;
+ doc_point.y = doc_height - ev_link_get_top (link);
+
+ zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fit_link (EvView *view, EvLink *link)
+{
+ double zoom;
+ int doc_width, doc_height;
+ int page;
+
+ page = ev_link_get_page (link);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
+ ev_view_get_height (view), 0, 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_xyz_link (EvView *view, EvLink *link)
+{
+ EvPoint doc_point;
+ int height, page;
+ double zoom;
+
+ zoom = ev_link_get_zoom (link);
+ page = ev_link_get_page (link);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
+
+ if (zoom != 0) {
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+ }
+
+ doc_point.x = ev_link_get_left (link);
+ doc_point.y = height - ev_link_get_top (link);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+void
+ev_view_goto_link (EvView *view, EvLink *link)
+{
+ EvLinkType type;
+ int page;
+
+ type = ev_link_get_link_type (link);
+
+ switch (type) {
+ case EV_LINK_TYPE_TITLE:
+ break;
+ case EV_LINK_TYPE_PAGE:
+ page = ev_link_get_page (link);
+ ev_page_cache_set_current_page (view->page_cache, page);
+ break;
+ case EV_LINK_TYPE_PAGE_FIT:
+ goto_fit_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITH:
+ goto_fith_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITV:
+ goto_fitv_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITR:
+ goto_fitr_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_XYZ:
+ goto_xyz_link (view, link);
+ break;
+ case EV_LINK_TYPE_EXTERNAL_URI:
+ case EV_LINK_TYPE_LAUNCH:
+ g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
+ break;
+ }
+}
+
+static char *
+tip_from_link (EvView *view, EvLink *link)
+{
+ EvLinkType type;
+ char *msg = NULL;
+ char *page_label;
+
+ type = ev_link_get_link_type (link);
+
+ switch (type) {
+ case EV_LINK_TYPE_TITLE:
+ if (ev_link_get_title (link))
+ msg = g_strdup (ev_link_get_title (link));
+ break;
+ case EV_LINK_TYPE_PAGE:
+ case EV_LINK_TYPE_PAGE_XYZ:
+ page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
+ msg = g_strdup_printf (_("Go to page %s"), page_label);
+ g_free (page_label);
+ break;
+ case EV_LINK_TYPE_EXTERNAL_URI:
+ msg = g_strdup (ev_link_get_uri (link));
+ break;
+ default:
+ break;
+ }
+
+ return msg;
+}