[print] Fixes segmentation violation when format is empty

[evince.git] / libdocument / ev-selection.c

diff --git a/libdocument/ev-selection.c b/libdocument/ev-selection.c
index f7aee2f79045c68ac2b4f273b85fd819e8f22ef2..c19ac2a36a15938d041fc45b99ca38f7edf704fb 100644 (file)
--- a/libdocument/ev-selection.c
+++ b/libdocument/ev-selection.c
@@ -22,65 +22,58 @@
 
 #include "ev-selection.h"
 
-static void ev_selection_base_init (gpointer g_class);
-
-GType
-ev_selection_get_type (void)
-{
-       static GType type = 0;
-
-       if (G_UNLIKELY (type == 0))
-       {
-               const GTypeInfo our_info =
-               {
-                       sizeof (EvSelectionIface),
-                       ev_selection_base_init,
-                       NULL,
-               };
-
-               type = g_type_register_static (G_TYPE_INTERFACE,
-                                              "EvSelection",
-                                              &our_info, (GTypeFlags)0);
-       }
-
-       return type;
-}
+EV_DEFINE_INTERFACE (EvSelection, ev_selection, 0)
 
 static void
-ev_selection_base_init (gpointer g_class)
+ev_selection_class_init (EvSelectionIface *klass)
 {
-       static gboolean initialized = FALSE;
-
-       if (!initialized) {
-       }
 }
 
-
 void
 ev_selection_render_selection (EvSelection      *selection,
                               EvRenderContext  *rc,
                               cairo_surface_t **surface,
                               EvRectangle      *points,
                               EvRectangle      *old_points,
-                              GdkColor        *text,
-                              GdkColor        *base)
+                              EvSelectionStyle  style,
+                              GdkColor         *text,
+                              GdkColor         *base)
 {
        EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
 
+       if (!iface->render_selection)
+               return;
+       
        iface->render_selection (selection, rc,
                                 surface,
                                 points, old_points,
+                                style,
                                 text, base);
 }
 
+gchar *
+ev_selection_get_selected_text (EvSelection      *selection,
+                               EvRenderContext  *rc,
+                               EvSelectionStyle  style,
+                               EvRectangle      *points)
+{
+       EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
+
+       return iface->get_selected_text (selection, rc, style, points);
+}
+
 GdkRegion *
 ev_selection_get_selection_region (EvSelection     *selection,
                                   EvRenderContext *rc,
+                                  EvSelectionStyle style,
                                   EvRectangle     *points)
 {
        EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
 
-       return iface->get_selection_region (selection, rc, points);
+       if (!iface->get_selection_region)
+               return NULL;
+       
+       return iface->get_selection_region (selection, rc, style, points);
 }
 
 GdkRegion *
@@ -89,5 +82,8 @@ ev_selection_get_selection_map (EvSelection     *selection,
 {
        EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
 
+       if (!iface->get_selection_map)
+               return NULL;
+       
        return iface->get_selection_map (selection, rc);
 }