libdocument/ev-selection.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /*
   3  *  Copyright (C) 2005 Red Hat, Inc.
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  *
  19  */
  20
  21 #include "config.h"
  22
  23 #include "ev-selection.h"
  24
  25 static void ev_selection_base_init (gpointer g_class);
  26
  27 GType
  28 ev_selection_get_type (void)
  29 {
  30         static GType type = 0;
  31
  32         if (G_UNLIKELY (type == 0))
  33         {
  34                 const GTypeInfo our_info =
  35                 {
  36                         sizeof (EvSelectionIface),
  37                         ev_selection_base_init,
  38                         NULL,
  39                 };
  40
  41                 type = g_type_register_static (G_TYPE_INTERFACE,
  42                                                "EvSelection",
  43                                                &our_info, (GTypeFlags)0);
  44         }
  45
  46         return type;
  47 }
  48
  49 static void
  50 ev_selection_base_init (gpointer g_class)
  51 {
  52         static gboolean initialized = FALSE;
  53
  54         if (!initialized) {
  55         }
  56 }
  57
  58
  59 void
  60 ev_selection_render_selection (EvSelection      *selection,
  61                                EvRenderContext  *rc,
  62                                cairo_surface_t **surface,
  63                                EvRectangle      *points,
  64                                EvRectangle      *old_points,
  65                                EvSelectionStyle  style,
  66                                GdkColor         *text,
  67                                GdkColor         *base)
  68 {
  69         EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
  70
  71         if (!iface->render_selection)
  72                 return;
  73
  74         iface->render_selection (selection, rc,
  75                                  surface,
  76                                  points, old_points,
  77                                  style,
  78                                  text, base);
  79 }
  80
  81 gchar *
  82 ev_selection_get_selected_text (EvSelection      *selection,
  83                                 EvRenderContext  *rc,
  84                                 EvSelectionStyle  style,
  85                                 EvRectangle      *points)
  86 {
  87         EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
  88
  89         return iface->get_selected_text (selection, rc, style, points);
  90 }
  91
  92 GdkRegion *
  93 ev_selection_get_selection_region (EvSelection     *selection,
  94                                    EvRenderContext *rc,
  95                                    EvSelectionStyle style,
  96                                    EvRectangle     *points)
  97 {
  98         EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
  99
 100         if (!iface->get_selection_region)
 101                 return NULL;
 102
 103         return iface->get_selection_region (selection, rc, style, points);
 104 }
 105
 106 GdkRegion *
 107 ev_selection_get_selection_map (EvSelection     *selection,
 108                                 EvRenderContext *rc)
 109 {
 110         EvSelectionIface *iface = EV_SELECTION_GET_IFACE (selection);
 111
 112         if (!iface->get_selection_map)
 113                 return NULL;
 114
 115         return iface->get_selection_map (selection, rc);
 116 }