libview: Add ev_view_supports_caret_navigation()

https://bugzilla.gnome.org/show_bug.cgi?id=702079
donald · Jul 26, 2013 · 6127a36 · 6127a36
1 parent 2f720ef
commit 6127a36
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diff --git a/libview/ev-view.c b/libview/ev-view.c
@@ -3326,6 +3326,20 @@ ev_view_pend_cursor_blink (EvView *view)
 								 (GSourceFunc)blink_cb, view);
 }
 
+gboolean
+ev_view_supports_caret_navigation (EvView *view)
+{
+	EvDocumentTextInterface *iface;
+
+	if (!view->document || !EV_IS_DOCUMENT_TEXT (view->document))
+		return FALSE;
+
+	iface = EV_DOCUMENT_TEXT_GET_IFACE (view->document);
+	if (!iface->get_text_layout || !iface->get_text)
+		return FALSE;
+
+	return TRUE;
+}
 
 void
 ev_view_set_caret_navigation_enabled (EvView   *view,

diff --git a/libview/ev-view.h b/libview/ev-view.h
@@ -116,10 +116,10 @@ void           ev_view_begin_add_annotation  (EvView          *view,
 void           ev_view_cancel_add_annotation (EvView          *view);
 
 /* Caret navigation */
+gboolean       ev_view_supports_caret_navigation    (EvView  *view);
 gboolean       ev_view_is_caret_navigation_enabled  (EvView  *view);
 void           ev_view_set_caret_navigation_enabled (EvView  *view,
                                                      gboolean enabled);
-
 G_END_DECLS
 
 #endif /* __EV_VIEW_H__ */