[gtk+] gail: Copy gail-util functions into gail



commit b6025e44a98b41dc132aa8deea732521b9364f03
Author: Benjamin Otte <otte redhat com>
Date:   Tue Jun 14 20:29:15 2011 +0200

    gail: Copy gail-util functions into gail
    
    Otherwise we get a circular dependency if we move libgail into GTK:
    GTK depends on gail-util depends on gail (is part of GTK)

 gtk/a11y/Makefile.am        |    7 +-
 gtk/a11y/gailbutton.h       |    2 +-
 gtk/a11y/gailentry.h        |    2 +-
 gtk/a11y/gailexpander.h     |    2 +-
 gtk/a11y/gaillabel.h        |    2 +-
 gtk/a11y/gailmenuitem.h     |    2 +-
 gtk/a11y/gailmisc.c         | 1082 +++++++++++++++++++++++++++++++++++++++++++
 gtk/a11y/gailmisc.h         |   78 +++
 gtk/a11y/gailnotebookpage.h |    2 +-
 gtk/a11y/gailscale.h        |    2 +-
 gtk/a11y/gailstatusbar.h    |    2 +-
 gtk/a11y/gailtextcell.h     |    2 +-
 gtk/a11y/gailtextutil.c     |  786 +++++++++++++++++++++++++++++++
 gtk/a11y/gailtextutil.h     |   87 ++++
 gtk/a11y/gailtextview.h     |    2 +-
 15 files changed, 2048 insertions(+), 12 deletions(-)
---
diff --git a/gtk/a11y/Makefile.am b/gtk/a11y/Makefile.am
index be4360a..427bf2c 100644
--- a/gtk/a11y/Makefile.am
+++ b/gtk/a11y/Makefile.am
@@ -32,6 +32,7 @@ gail_c_sources =			\
 	gailimagecell.c			\
 	gaillabel.c			\
 	gaillinkbutton.c		\
+	gailmisc.c			\
 	gailmenu.c			\
 	gailmenushell.c			\
 	gailmenuitem.c			\
@@ -53,6 +54,7 @@ gail_c_sources =			\
 	gailsubmenuitem.c		\
 	gailstatusbar.c			\
 	gailtextcell.c			\
+	gailtextutil.c			\
 	gailtextview.c			\
 	gailtogglebutton.c		\
 	gailtoplevel.c			\
@@ -86,6 +88,7 @@ gail_private_h_sources =		\
 	gailimagecell.h			\
 	gaillabel.h			\
 	gaillinkbutton.h		\
+	gailmisc.h			\
 	gailmenu.h			\
 	gailmenushell.h			\
 	gailmenuitem.h			\
@@ -107,6 +110,7 @@ gail_private_h_sources =		\
 	gailsubmenuitem.h		\
 	gailstatusbar.h			\
 	gailtextcell.h			\
+	gailtextutil.h			\
 	gailtextview.h			\
 	gailtogglebutton.h		\
 	gailtoplevel.h			\
@@ -143,8 +147,7 @@ libgail_la_CFLAGS = \
 
 libgail_la_LIBADD =  \
 	$(top_builddir)/gtk/libgtk-3.la				\
-	$(top_builddir)/gtk/a11y/libgail-util/libgailutil-3.la	\
-	$(GTK_DEP_LIBS)							\
+	$(GTK_DEP_LIBS)						\
 	$(INTLLIBS)
 
 libgail_la_LDFLAGS =    \
diff --git a/gtk/a11y/gailbutton.h b/gtk/a11y/gailbutton.h
index e9c7288..cf8c659 100644
--- a/gtk/a11y/gailbutton.h
+++ b/gtk/a11y/gailbutton.h
@@ -21,7 +21,7 @@
 #define __GAIL_BUTTON_H__
 
 #include "gailcontainer.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailentry.h b/gtk/a11y/gailentry.h
index 8a1d6fd..d90d3bd 100644
--- a/gtk/a11y/gailentry.h
+++ b/gtk/a11y/gailentry.h
@@ -21,7 +21,7 @@
 #define __GAIL_ENTRY_H__
 
 #include "gailwidget.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailexpander.h b/gtk/a11y/gailexpander.h
index 40664d4..f16b14d 100644
--- a/gtk/a11y/gailexpander.h
+++ b/gtk/a11y/gailexpander.h
@@ -21,7 +21,7 @@
 #define __GAIL_EXPANDER_H__
 
 #include "gailcontainer.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gaillabel.h b/gtk/a11y/gaillabel.h
index 1b24714..fa4b657 100644
--- a/gtk/a11y/gaillabel.h
+++ b/gtk/a11y/gaillabel.h
@@ -21,7 +21,7 @@
 #define __GAIL_LABEL_H__
 
 #include "gailwidget.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailmenuitem.h b/gtk/a11y/gailmenuitem.h
index 3dbe509..13d9753 100644
--- a/gtk/a11y/gailmenuitem.h
+++ b/gtk/a11y/gailmenuitem.h
@@ -21,7 +21,7 @@
 #define __GAIL_MENU_ITEM_H__
 
 #include "gailcontainer.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailmisc.c b/gtk/a11y/gailmisc.c
new file mode 100644
index 0000000..fd0917a
--- /dev/null
+++ b/gtk/a11y/gailmisc.c
@@ -0,0 +1,1082 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <math.h>
+#include <stdlib.h>
+#include <gtk/gtk.h>
+#include "gailmisc.h"
+
+/* IMPORTANT!!! This source file does NOT contain the implementation
+ * code for AtkUtil - for that code, please see gail/gail.c.
+ */
+
+/**
+ * SECTION:gailmisc
+ * @Short_description: GailMisc is a set of utility functions which may be
+ *   useful to implementors of Atk interfaces for custom widgets.
+ * @Title: GailMisc
+ *
+ * GailMisc is a set of utility function which are used in the implemementation
+ * of Atk interfaces for GTK+ widgets. They may be useful to implementors of
+ * Atk interfaces for custom widgets.
+ */
+
+
+/**
+ * gail_misc_get_extents_from_pango_rectangle:
+ * @widget: The widget that contains the PangoLayout, that contains
+ *   the PangoRectangle
+ * @char_rect: The #PangoRectangle from which to calculate extents
+ * @x_layout: The x-offset at which the widget displays the
+ *   PangoLayout that contains the PangoRectangle, relative to @widget
+ * @y_layout: The y-offset at which the widget displays the
+ *   PangoLayout that contains the PangoRectangle, relative to @widget
+ * @x: The x-position of the #PangoRectangle relative to @coords
+ * @y: The y-position of the #PangoRectangle relative to @coords
+ * @width: The width of the #PangoRectangle
+ * @height: The  height of the #PangoRectangle
+ * @coords: An #AtkCoordType enumeration
+ *
+ * Gets the extents of @char_rect in device coordinates,
+ * relative to either top-level window or screen coordinates as
+ * specified by @coords.
+ **/
+void
+gail_misc_get_extents_from_pango_rectangle (GtkWidget      *widget,
+                                            PangoRectangle *char_rect,
+                                            gint           x_layout,
+                                            gint           y_layout,
+                                            gint           *x,
+                                            gint           *y,
+                                            gint           *width,
+                                            gint           *height,
+                                            AtkCoordType   coords)
+{
+  gint x_window, y_window, x_toplevel, y_toplevel;
+
+  gail_misc_get_origins (widget, &x_window, &y_window, 
+                         &x_toplevel, &y_toplevel);
+
+  *x = (char_rect->x / PANGO_SCALE) + x_layout + x_window;
+  *y = (char_rect->y / PANGO_SCALE) + y_layout + y_window;
+  if (coords == ATK_XY_WINDOW)
+    {
+      *x -= x_toplevel;
+      *y -= y_toplevel;
+    }
+  else if (coords != ATK_XY_SCREEN)
+    {
+      *x = 0;
+      *y = 0;
+      *height = 0;
+      *width = 0;
+      return;
+    }
+  *height = char_rect->height / PANGO_SCALE;
+  *width = char_rect->width / PANGO_SCALE;
+
+  return;
+}
+
+/**
+ * gail_misc_get_index_at_point_in_layout:
+ * @widget: A #GtkWidget
+ * @layout: The #PangoLayout from which to get the index at the
+ *   specified point.
+ * @x_layout: The x-offset at which the widget displays the
+ *   #PangoLayout, relative to @widget
+ * @y_layout: The y-offset at which the widget displays the
+ *   #PangoLayout, relative to @widget
+ * @x: The x-coordinate relative to @coords at which to
+ *   calculate the index
+ * @y: The y-coordinate relative to @coords at which to
+ *   calculate the index
+ * @coords: An #AtkCoordType enumeration
+ *
+ * Gets the byte offset at the specified @x and @y in a #PangoLayout.
+ *
+ * Returns: the byte offset at the specified @x and @y in a
+ *   #PangoLayout
+ **/
+gint
+gail_misc_get_index_at_point_in_layout (GtkWidget   *widget,
+                                        PangoLayout *layout,
+                                        gint        x_layout,
+                                        gint        y_layout,
+                                        gint        x,
+                                        gint        y,
+                                        AtkCoordType coords)
+{
+  gint index, x_window, y_window, x_toplevel, y_toplevel;
+  gint x_temp, y_temp;
+  gboolean ret;
+
+  gail_misc_get_origins (widget, &x_window, &y_window, 
+                         &x_toplevel, &y_toplevel);
+  x_temp =  x - x_layout - x_window;
+  y_temp =  y - y_layout - y_window;
+  if (coords == ATK_XY_WINDOW)
+    {
+      x_temp += x_toplevel;  
+      y_temp += y_toplevel;
+    }
+  else if (coords != ATK_XY_SCREEN)
+    return -1;
+
+  ret = pango_layout_xy_to_index (layout, 
+                                  x_temp * PANGO_SCALE,
+                                  y_temp * PANGO_SCALE,
+                                  &index, NULL);
+  if (!ret)
+    {
+      if (x_temp < 0 || y_temp < 0)
+        index = 0;
+      else
+        index = -1; 
+    }
+  return index;
+}
+
+/**
+ * gail_misc_add_attribute:
+ * @attrib_set: The #AtkAttributeSet to add the attribute to
+ * @attr: The AtkTextAttrribute which identifies the attribute to be added
+ * @value: The attribute value
+ *
+ * Creates an #AtkAttribute from @attr and @value, and adds it
+ * to @attrib_set. 
+ *
+ * Returns: A pointer to the new #AtkAttributeSet.
+ **/
+AtkAttributeSet*
+gail_misc_add_attribute (AtkAttributeSet *attrib_set,
+                         AtkTextAttribute attr,
+                         gchar           *value)
+{
+  AtkAttributeSet *return_set;
+  AtkAttribute *at = g_malloc (sizeof (AtkAttribute));
+  at->name = g_strdup (atk_text_attribute_get_name (attr));
+  at->value = value;
+  return_set = g_slist_prepend(attrib_set, at);
+  return return_set;
+}
+
+/**
+ * gail_misc_layout_get_run_attributes:
+ * @attrib_set: The #AtkAttributeSet to add the attribute to
+ * @layout: The PangoLayout from which the attributes will be obtained
+ * @text: The text 
+ * @offset: The offset at which the attributes are required
+ * @start_offset: The start offset of the current run
+ * @end_offset: The end offset of the current run
+ *
+ * Adds the attributes for the run starting at offset to the specified
+ * attribute set.
+ *
+ * Returns: A pointer to the #AtkAttributeSet.
+ **/
+AtkAttributeSet* 
+gail_misc_layout_get_run_attributes (AtkAttributeSet *attrib_set,
+                                     PangoLayout     *layout,
+                                     const gchar     *text,
+                                     gint            offset,
+                                     gint            *start_offset,
+                                     gint            *end_offset)
+{
+  PangoAttrIterator *iter;
+  PangoAttrList *attr;  
+  PangoAttrString *pango_string;
+  PangoAttrInt *pango_int;
+  PangoAttrColor *pango_color;
+  PangoAttrLanguage *pango_lang;
+  PangoAttrFloat *pango_float;
+  gint index, start_index, end_index;
+  gboolean is_next = TRUE;
+  gchar *value = NULL;
+  glong len;
+
+  len = g_utf8_strlen (text, -1);
+  /* Grab the attributes of the PangoLayout, if any */
+  if ((attr = pango_layout_get_attributes (layout)) == NULL)
+    {
+      *start_offset = 0;
+      *end_offset = len;
+      return attrib_set;
+    }
+  iter = pango_attr_list_get_iterator (attr);
+  /* Get invariant range offsets */
+  /* If offset out of range, set offset in range */
+  if (offset > len)
+    offset = len;
+  else if (offset < 0)
+    offset = 0;
+
+  index = g_utf8_offset_to_pointer (text, offset) - text;
+  pango_attr_iterator_range (iter, &start_index, &end_index);
+  while (is_next)
+    {
+      if (index >= start_index && index < end_index)
+        {
+          *start_offset = g_utf8_pointer_to_offset (text, 
+                                                    text + start_index);  
+          if (end_index == G_MAXINT)
+          /* Last iterator */
+            end_index = len;
+      
+          *end_offset = g_utf8_pointer_to_offset (text, 
+                                                  text + end_index);  
+          break;
+        }  
+      is_next = pango_attr_iterator_next (iter);
+      pango_attr_iterator_range (iter, &start_index, &end_index);
+    }
+  /* Get attributes */
+  if ((pango_string = (PangoAttrString*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_FAMILY)) != NULL)
+    {
+      value = g_strdup_printf("%s", pango_string->value);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_FAMILY_NAME, 
+                                            value);
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_STYLE)) != NULL)
+    {
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_STYLE, 
+      g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE, pango_int->value)));
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_WEIGHT)) != NULL)
+    {
+      value = g_strdup_printf("%i", pango_int->value);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_WEIGHT, 
+                                            value);
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_VARIANT)) != NULL)
+    {
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_VARIANT, 
+       g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT, pango_int->value)));
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_STRETCH)) != NULL)
+    {
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_STRETCH, 
+       g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH, pango_int->value)));
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_SIZE)) != NULL)
+    {
+      value = g_strdup_printf("%i", pango_int->value / PANGO_SCALE);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_SIZE,
+                                            value);
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_UNDERLINE)) != NULL)
+    {
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_UNDERLINE, 
+       g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, pango_int->value)));
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_STRIKETHROUGH)) != NULL)
+    {
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_STRIKETHROUGH, 
+       g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, pango_int->value)));
+    } 
+  if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_RISE)) != NULL)
+    {
+      value = g_strdup_printf("%i", pango_int->value);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_RISE,
+                                            value);
+    } 
+  if ((pango_lang = (PangoAttrLanguage*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_LANGUAGE)) != NULL)
+    {
+      value = g_strdup( pango_language_to_string( pango_lang->value));
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_LANGUAGE, 
+                                            value);
+    } 
+  if ((pango_float = (PangoAttrFloat*) pango_attr_iterator_get (iter, 
+                                   PANGO_ATTR_SCALE)) != NULL)
+    {
+      value = g_strdup_printf("%g", pango_float->value);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_SCALE, 
+                                            value);
+    } 
+  if ((pango_color = (PangoAttrColor*) pango_attr_iterator_get (iter, 
+                                    PANGO_ATTR_FOREGROUND)) != NULL)
+    {
+      value = g_strdup_printf ("%u,%u,%u", 
+                               pango_color->color.red, 
+                               pango_color->color.green, 
+                               pango_color->color.blue);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_FG_COLOR, 
+                                            value);
+    } 
+  if ((pango_color = (PangoAttrColor*) pango_attr_iterator_get (iter, 
+                                     PANGO_ATTR_BACKGROUND)) != NULL)
+    {
+      value = g_strdup_printf ("%u,%u,%u", 
+                               pango_color->color.red, 
+                               pango_color->color.green, 
+                               pango_color->color.blue);
+      attrib_set = gail_misc_add_attribute (attrib_set, 
+                                            ATK_TEXT_ATTR_BG_COLOR, 
+                                            value);
+    } 
+  pango_attr_iterator_destroy (iter);
+  return attrib_set;
+}
+
+/**
+ * gail_misc_get_default_attributes:
+ * @attrib_set: The #AtkAttributeSet to add the attribute to
+ * @layout: The PangoLayout from which the attributes will be obtained
+ * @widget: The GtkWidget for which the default attributes are required.
+ *
+ * Adds the default attributes to the specified attribute set.
+ *
+ * Returns: A pointer to the #AtkAttributeSet.
+ **/
+AtkAttributeSet* 
+gail_misc_get_default_attributes (AtkAttributeSet *attrib_set,
+                                  PangoLayout     *layout,
+                                  GtkWidget       *widget)
+{
+  PangoContext *context;
+  GtkStyleContext *style_context;
+  gint int_value;
+  PangoWrapMode mode;
+  GdkRGBA color;
+  gchar *value;
+
+  attrib_set = gail_misc_add_attribute (attrib_set, 
+                                        ATK_TEXT_ATTR_DIRECTION,
+     g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, 
+                                        gtk_widget_get_direction (widget))));
+
+  context = pango_layout_get_context (layout);
+  if (context)
+    {
+      PangoLanguage* language;
+      PangoFontDescription* font;
+
+      language = pango_context_get_language (context);
+      if (language)
+        {
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_LANGUAGE,
+                      g_strdup (pango_language_to_string (language)));
+        }
+      font = pango_context_get_font_description (context);
+      if (font)
+        {
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_STYLE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE,
+                                   pango_font_description_get_style (font))));
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_VARIANT,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT,
+                                   pango_font_description_get_variant (font))));
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_STRETCH,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH,
+                                   pango_font_description_get_stretch (font))));
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_FAMILY_NAME,
+              g_strdup (pango_font_description_get_family (font)));
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_WEIGHT,
+                    g_strdup_printf ("%d",
+                                   pango_font_description_get_weight (font)));
+          attrib_set = gail_misc_add_attribute (attrib_set,
+                                                ATK_TEXT_ATTR_SIZE,
+                    g_strdup_printf ("%i",
+                                   pango_font_description_get_size (font) / PANGO_SCALE));
+        }
+    }
+  if (pango_layout_get_justify (layout))
+    {
+      int_value = 3;
+    }
+  else
+    {
+      PangoAlignment align;
+
+      align = pango_layout_get_alignment (layout);
+      if (align == PANGO_ALIGN_LEFT)
+        int_value = 0;
+      else if (align == PANGO_ALIGN_CENTER)
+        int_value = 2;
+      else /* if (align == PANGO_ALIGN_RIGHT) */
+        int_value = 1;
+    }
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_JUSTIFICATION,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, 
+                                                      int_value))); 
+  mode = pango_layout_get_wrap (layout);
+  if (mode == PANGO_WRAP_WORD)
+    int_value = 2;
+  else /* if (mode == PANGO_WRAP_CHAR) */
+    int_value = 1;
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_WRAP_MODE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE, 
+                                                      int_value))); 
+
+  style_context = gtk_widget_get_style_context (widget);
+
+  gtk_style_context_get_background_color (style_context, 0, &color);
+  value = g_strdup_printf ("%u,%u,%u",
+                           (guint) ceil (color.red * 65536 - color.red),
+                           (guint) ceil (color.green * 65536 - color.green),
+                           (guint) ceil (color.blue * 65536 - color.blue));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_BG_COLOR,
+                                        value); 
+
+  gtk_style_context_get_color (style_context, 0, &color);
+  value = g_strdup_printf ("%u,%u,%u",
+                           (guint) ceil (color.red * 65536 - color.red),
+                           (guint) ceil (color.green * 65536 - color.green),
+                           (guint) ceil (color.blue * 65536 - color.blue));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_FG_COLOR,
+                                        value); 
+
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_FG_STIPPLE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_FG_STIPPLE, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_BG_STIPPLE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_STIPPLE, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_STRIKETHROUGH,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_UNDERLINE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_RISE,
+                                               g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_SCALE,
+                                               g_strdup_printf ("%g", 1.0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_BG_FULL_HEIGHT,
+                                               g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
+                                               g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
+                                        g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
+                                        g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_EDITABLE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_INVISIBLE,
+              g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE, 
+                                                      0))); 
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_INDENT,
+                                        g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_RIGHT_MARGIN,
+                                        g_strdup_printf ("%i", 0));
+  attrib_set = gail_misc_add_attribute (attrib_set,
+                                        ATK_TEXT_ATTR_LEFT_MARGIN,
+                                        g_strdup_printf ("%i", 0));
+  return attrib_set;
+}
+
+/**
+ * gail_misc_get_origins:
+ * @widget: a #GtkWidget
+ * @x_window: the x-origin of the widget->window
+ * @y_window: the y-origin of the widget->window
+ * @x_toplevel: the x-origin of the toplevel window for widget->window
+ * @y_toplevel: the y-origin of the toplevel window for widget->window
+ *
+ * Gets the origin of the widget window, and the origin of the
+ * widgets top-level window.
+ **/
+void
+gail_misc_get_origins (GtkWidget *widget,
+                       gint      *x_window,
+                       gint      *y_window,
+                       gint      *x_toplevel,
+                       gint      *y_toplevel)
+{
+  GdkWindow *window;
+
+  if (GTK_IS_TREE_VIEW (widget))
+    window = gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget));
+  else
+    window = gtk_widget_get_window (widget);
+
+  gdk_window_get_origin (window, x_window, y_window);
+  window = gdk_window_get_toplevel (gtk_widget_get_window (widget));
+  gdk_window_get_origin (window, x_toplevel, y_toplevel);
+}
+
+/**
+ * gail_misc_buffer_get_run_attributes:
+ * @buffer: The #GtkTextBuffer for which the attributes will be obtained
+ * @offset: The offset at which the attributes are required
+ * @start_offset: The start offset of the current run
+ * @end_offset: The end offset of the current run
+ *
+ * Creates an AtkAttributeSet which contains the attributes for the 
+ * run starting at offset.
+ *
+ * Returns: A pointer to the #AtkAttributeSet.
+ **/
+AtkAttributeSet*
+gail_misc_buffer_get_run_attributes (GtkTextBuffer *buffer,
+                                     gint          offset,
+                                     gint	    *start_offset,
+                                     gint          *end_offset)
+{
+  GtkTextIter iter;
+  AtkAttributeSet *attrib_set = NULL;
+  AtkAttribute *at;
+  GSList *tags, *temp_tags;
+  gdouble scale = 1;
+  gboolean val_set = FALSE;
+
+  gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
+
+  gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
+  *end_offset = gtk_text_iter_get_offset (&iter);
+
+  gtk_text_iter_backward_to_tag_toggle (&iter, NULL);
+  *start_offset = gtk_text_iter_get_offset (&iter);
+
+  gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
+
+  tags = gtk_text_iter_get_tags (&iter);
+  tags = g_slist_reverse (tags);
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "style-set", &val_set, NULL);
+      if (val_set)
+        {
+          PangoStyle style;
+          gchar *value;
+
+          g_object_get (tag, "style", &style, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE, style));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STYLE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "variant-set", &val_set, NULL);
+      if (val_set)
+        {
+          PangoVariant variant;
+          gchar *value;
+
+          g_object_get (tag, "variant", &variant, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT, variant));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_VARIANT, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "stretch-set", &val_set, NULL);
+      if (val_set)
+        {
+          PangoStretch stretch;
+          gchar *value;
+
+          g_object_get (tag, "stretch", &stretch, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH, stretch));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STRETCH, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "justification-set", &val_set, NULL);
+      if (val_set)
+        {
+          GtkJustification justification;
+          gchar *value;
+
+          g_object_get (tag, "justification", &justification, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justification));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_JUSTIFICATION, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+      GtkTextDirection direction;
+
+      g_object_get (tag, "direction", &direction, NULL);
+
+      if (direction != GTK_TEXT_DIR_NONE)
+        {
+          gchar *value;
+          val_set = TRUE;
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, direction));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_DIRECTION, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "wrap-mode-set", &val_set, NULL);
+      if (val_set)
+        {
+          GtkWrapMode wrap_mode;
+          gchar *value;
+
+          g_object_get (tag, "wrap-mode", &wrap_mode, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE, wrap_mode));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_WRAP_MODE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "foreground-set", &val_set, NULL);
+      if (val_set)
+        {
+          GdkRGBA *rgba;
+          gchar *value;
+
+          g_object_get (tag, "foreground-rgba", &rgba, NULL);
+          value = g_strdup_printf ("%u,%u,%u",
+                                   (guint) rgba->red * 65535,
+                                   (guint) rgba->green * 65535,
+                                   (guint) rgba->blue * 65535);
+          gdk_rgba_free (rgba);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FG_COLOR, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "background-set", &val_set, NULL);
+      if (val_set)
+        {
+          GdkRGBA *rgba;
+          gchar *value;
+
+          g_object_get (tag, "background-rgba", &rgba, NULL);
+          value = g_strdup_printf ("%u,%u,%u",
+                                   (guint) rgba->red * 65535,
+                                   (guint) rgba->green * 65535,
+                                   (guint) rgba->blue * 65535);
+          gdk_rgba_free (rgba);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_BG_COLOR, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "family-set", &val_set, NULL);
+
+      if (val_set)
+        {
+          gchar *value;
+          g_object_get (tag, "family", &value, NULL);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FAMILY_NAME, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "language-set", &val_set, NULL);
+
+      if (val_set)
+        {
+          gchar *value;
+          g_object_get (tag, "language", &value, NULL);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LANGUAGE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "weight-set", &val_set, NULL);
+
+      if (val_set)
+        {
+          gint weight;
+          gchar *value;
+
+          g_object_get (tag, "weight", &weight, NULL);
+          value = g_strdup_printf ("%d", weight);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_WEIGHT, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+
+  /*
+   * scale is special as the scale is the product of all scale values
+   * specified.
+   */
+  temp_tags = tags;
+  while (temp_tags)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+      gboolean scale_set;
+
+      g_object_get (tag, "scale-set", &scale_set, NULL);
+      if (scale_set)
+        {
+          gdouble font_scale;
+
+          g_object_get (tag, "scale", &font_scale, NULL);
+          val_set = TRUE;
+          scale *= font_scale;
+        }
+      temp_tags = temp_tags->next;
+    }
+  if (val_set)
+    {
+      at = g_malloc(sizeof(AtkAttribute));
+      at->name = g_strdup(atk_text_attribute_get_name (ATK_TEXT_ATTR_SCALE));
+      at->value = g_strdup_printf("%g", scale);
+      attrib_set = g_slist_prepend(attrib_set, at);
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "size-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint size;
+          gchar *value;
+          g_object_get (tag, "size", &size, NULL);
+          value = g_strdup_printf ("%i", size);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_SIZE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "strikethrough-set", &val_set, NULL);
+      if (val_set)
+        {
+          gboolean strikethrough;
+          gchar *value;
+          g_object_get (tag, "strikethrough", &strikethrough, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, strikethrough));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STRIKETHROUGH, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "underline-set", &val_set, NULL);
+      if (val_set)
+        {
+          PangoUnderline underline;
+          gchar *value;
+          g_object_get (tag, "underline", &underline, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, underline));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_UNDERLINE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "rise-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint rise;
+          gchar *value;
+          g_object_get (tag, "rise", &rise, NULL);
+          value = g_strdup_printf ("%i", rise);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RISE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "background-full-height-set", &val_set, NULL);
+      if (val_set)
+        {
+          gboolean bg_full_height;
+          gchar *value;
+          g_object_get (tag, "background-full-height", &bg_full_height, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_FULL_HEIGHT, bg_full_height));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_BG_FULL_HEIGHT, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "pixels-inside-wrap-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint pixels;
+          gchar *value;
+          g_object_get (tag, "pixels-inside-wrap", &pixels, NULL);
+          value = g_strdup_printf ("%i", pixels);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "pixels-below-lines-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint pixels;
+          gchar *value;
+          g_object_get (tag, "pixels-below-lines", &pixels, NULL);
+          value = g_strdup_printf ("%i", pixels);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_BELOW_LINES, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "pixels-above-lines-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint pixels;
+          gchar *value;
+          g_object_get (tag, "pixels-above-lines", &pixels, NULL);
+          value = g_strdup_printf ("%i", pixels);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_ABOVE_LINES, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "editable-set", &val_set, NULL);
+      if (val_set)
+        {
+          gboolean editable;
+          gchar *value;
+          g_object_get (tag, "editable", &editable, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE, editable));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_EDITABLE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "invisible-set", &val_set, NULL);
+      if (val_set)
+        {
+          gboolean invisible;
+          gchar *value;
+          g_object_get (tag, "invisible", &invisible, NULL);
+          value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE, invisible));
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_INVISIBLE, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "indent-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint indent;
+          gchar *value;
+          g_object_get (tag, "indent", &indent, NULL);
+          value = g_strdup_printf ("%i", indent);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_INDENT, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "right-margin-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint margin;
+          gchar *value;
+          g_object_get (tag, "right-margin", &margin, NULL);
+          value = g_strdup_printf ("%i", margin);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RIGHT_MARGIN, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  temp_tags = tags;
+  while (temp_tags && !val_set)
+    {
+      GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
+
+      g_object_get (tag, "left-margin-set", &val_set, NULL);
+      if (val_set)
+        {
+          gint margin;
+          gchar *value;
+          g_object_get (tag, "left-margin", &margin, NULL);
+          value = g_strdup_printf ("%i", margin);
+          attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LEFT_MARGIN, value);
+        }
+      temp_tags = temp_tags->next;
+    }
+  val_set = FALSE;
+
+  g_slist_free (tags);
+  return attrib_set;
+}
diff --git a/gtk/a11y/gailmisc.h b/gtk/a11y/gailmisc.h
new file mode 100644
index 0000000..9483755
--- /dev/null
+++ b/gtk/a11y/gailmisc.h
@@ -0,0 +1,78 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GAIL_MISC_H__
+#define __GAIL_MISC_H__
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+#include <pango/pango.h>
+
+G_BEGIN_DECLS
+
+AtkAttributeSet* gail_misc_add_attribute          (AtkAttributeSet   *attrib_set,
+                                                   AtkTextAttribute   attr,
+                                                   gchar             *value);
+AtkAttributeSet* gail_misc_layout_get_run_attributes
+                                                  (AtkAttributeSet   *attrib_set,
+                                                   PangoLayout       *layout,
+                                                   const gchar       *text,
+                                                   gint              offset,
+                                                   gint              *start_offset,
+                                                   gint              *end_offset);
+
+AtkAttributeSet* gail_misc_get_default_attributes (AtkAttributeSet   *attrib_set,
+                                                   PangoLayout       *layout,
+                                                   GtkWidget         *widget);
+
+void             gail_misc_get_extents_from_pango_rectangle
+                                                  (GtkWidget         *widget,
+                                                   PangoRectangle    *char_rect,
+                                                   gint              x_layout,
+                                                   gint              y_layout,
+                                                   gint              *x,
+                    		                   gint              *y,
+                                                   gint              *width,
+                                                   gint              *height,
+                                                   AtkCoordType      coords);
+
+gint             gail_misc_get_index_at_point_in_layout
+                                                  (GtkWidget         *widget,
+                                                   PangoLayout       *layout, 
+                                                   gint              x_layout,
+                                                   gint              y_layout,
+                                                   gint              x,
+                                                   gint              y,
+                                                   AtkCoordType      coords);
+
+void		 gail_misc_get_origins            (GtkWidget         *widget,
+                                                   gint              *x_window,
+					           gint              *y_window,
+					           gint              *x_toplevel,
+					           gint              *y_toplevel);
+
+AtkAttributeSet* gail_misc_buffer_get_run_attributes
+                                                  (GtkTextBuffer     *buffer,
+                                                   gint              offset,
+                                                   gint              *start_offset,
+                                                   gint              *end_offset);
+
+G_END_DECLS
+
+#endif /*__GAIL_MISC_H__ */
diff --git a/gtk/a11y/gailnotebookpage.h b/gtk/a11y/gailnotebookpage.h
index bcf26f2..a87e072 100644
--- a/gtk/a11y/gailnotebookpage.h
+++ b/gtk/a11y/gailnotebookpage.h
@@ -21,7 +21,7 @@
 #define __GAIL_NOTEBOOK_PAGE_H__
 
 #include "gailnotebook.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailscale.h b/gtk/a11y/gailscale.h
index 20d88da..d0c843f 100644
--- a/gtk/a11y/gailscale.h
+++ b/gtk/a11y/gailscale.h
@@ -21,7 +21,7 @@
 #define __GAIL_SCALE_H__
 
 #include "gailrange.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailstatusbar.h b/gtk/a11y/gailstatusbar.h
index cb9ff09..5e94649 100644
--- a/gtk/a11y/gailstatusbar.h
+++ b/gtk/a11y/gailstatusbar.h
@@ -21,7 +21,7 @@
 #define __GAIL_STATUSBAR_H__
 
 #include "gailcontainer.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailtextcell.h b/gtk/a11y/gailtextcell.h
index 3ce742a..b5f8adb 100644
--- a/gtk/a11y/gailtextcell.h
+++ b/gtk/a11y/gailtextcell.h
@@ -22,7 +22,7 @@
 
 #include <atk/atk.h>
 #include "gailrenderercell.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 
diff --git a/gtk/a11y/gailtextutil.c b/gtk/a11y/gailtextutil.c
new file mode 100644
index 0000000..ecfd8ef
--- /dev/null
+++ b/gtk/a11y/gailtextutil.c
@@ -0,0 +1,786 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include "gailtextutil.h"
+
+/**
+ * SECTION:gailtextutil
+ * @Short_description: GailTextUtil is a utility class which can be used to
+ *   implement some of the #AtkText functions for accessible objects
+ *   which implement #AtkText.
+ * @Title: GailTextUtil
+ *
+ * GailTextUtil is a utility class which can be used to implement the
+ * #AtkText functions which get text for accessible objects which implement
+ * #AtkText.
+ *
+ * In GAIL it is used by the accsesible objects for #GnomeCanvasText, #GtkEntry,
+ * #GtkLabel, #GtkCellRendererText and #GtkTextView.
+ */
+
+static void gail_text_util_class_init      (GailTextUtilClass *klass);
+
+static void gail_text_util_init            (GailTextUtil      *textutil);
+static void gail_text_util_finalize        (GObject           *object);
+
+
+static void get_pango_text_offsets         (PangoLayout         *layout,
+                                            GtkTextBuffer       *buffer,
+                                            GailOffsetType      function,
+                                            AtkTextBoundary     boundary_type,
+                                            gint                offset,
+                                            gint                *start_offset,
+                                            gint                *end_offset,
+                                            GtkTextIter         *start_iter,
+                                            GtkTextIter         *end_iter);
+static GObjectClass *parent_class = NULL;
+
+GType
+gail_text_util_get_type(void)
+{
+  static GType type = 0;
+
+  if (!type)
+    {
+      const GTypeInfo tinfo =
+      {
+        sizeof (GailTextUtilClass),
+        (GBaseInitFunc) NULL, /* base init */
+        (GBaseFinalizeFunc) NULL, /* base finalize */
+        (GClassInitFunc) gail_text_util_class_init,
+        (GClassFinalizeFunc) NULL, /* class finalize */
+        NULL, /* class data */
+        sizeof(GailTextUtil),
+        0, /* nb preallocs */
+        (GInstanceInitFunc) gail_text_util_init,
+        NULL, /* value table */
+      };
+
+      type = g_type_register_static (G_TYPE_OBJECT, "GailTextUtil", &tinfo, 0);
+    }
+  return type;
+}
+
+/**
+ * gail_text_util_new:
+ *
+ * This function creates a new GailTextUtil object.
+ *
+ * Returns: the GailTextUtil object
+ **/
+GailTextUtil*
+gail_text_util_new (void)
+{
+  return GAIL_TEXT_UTIL (g_object_new (GAIL_TYPE_TEXT_UTIL, NULL));
+}
+
+static void
+gail_text_util_init (GailTextUtil *textutil)
+{
+  textutil->buffer = NULL;
+}
+
+static void
+gail_text_util_class_init (GailTextUtilClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  gobject_class->finalize = gail_text_util_finalize;
+}
+
+static void
+gail_text_util_finalize (GObject *object)
+{
+  GailTextUtil *textutil = GAIL_TEXT_UTIL (object);
+
+  if (textutil->buffer)
+    g_object_unref (textutil->buffer);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+/**
+ * gail_text_util_text_setup:
+ * @textutil: The #GailTextUtil to be initialized.
+ * @text: A gchar* which points to the text to be stored in the GailTextUtil
+ *
+ * This function initializes the GailTextUtil with the specified character string,
+ **/
+void
+gail_text_util_text_setup (GailTextUtil *textutil,
+                           const gchar  *text)
+{
+  g_return_if_fail (GAIL_IS_TEXT_UTIL (textutil));
+
+  if (textutil->buffer)
+    {
+      if (!text)
+        {
+          g_object_unref (textutil->buffer);
+          textutil->buffer = NULL;
+          return;
+        }
+    }
+  else
+    {
+      textutil->buffer = gtk_text_buffer_new (NULL);
+    }
+
+  gtk_text_buffer_set_text (textutil->buffer, text, -1);
+}
+
+/**
+ * gail_text_util_buffer_setup:
+ * @textutil: A #GailTextUtil to be initialized
+ * @buffer: The #GtkTextBuffer which identifies the text to be stored in the GailUtil.
+ *
+ * This function initializes the GailTextUtil with the specified GtkTextBuffer
+ **/
+void
+gail_text_util_buffer_setup  (GailTextUtil  *textutil,
+                              GtkTextBuffer   *buffer)
+{
+  g_return_if_fail (GAIL_IS_TEXT_UTIL (textutil));
+
+  textutil->buffer = g_object_ref (buffer);
+}
+
+/**
+ * gail_text_util_get_text:
+ * @textutil: A #GailTextUtil
+ * @layout: A gpointer which is a PangoLayout, a GtkTreeView of NULL
+ * @function: An enumeration specifying whether to return the text before, at, or
+ *   after the offset.
+ * @boundary_type: The boundary type.
+ * @offset: The offset of the text in the GailTextUtil 
+ * @start_offset: Address of location in which the start offset is returned
+ * @end_offset: Address of location in which the end offset is returned
+ *
+ * This function gets the requested substring from the text in the GtkTextUtil.
+ * The layout is used only for getting the text on a line. The value is NULL 
+ * for a GtkTextView which is not wrapped, is a GtkTextView for a GtkTextView 
+ * which is wrapped and is a PangoLayout otherwise.
+ *
+ * Returns: the substring requested
+ **/
+gchar*
+gail_text_util_get_text (GailTextUtil    *textutil,
+                         gpointer        layout,
+                         GailOffsetType  function,
+                         AtkTextBoundary boundary_type,
+                         gint            offset,
+                         gint            *start_offset,
+                         gint            *end_offset)
+{
+  GtkTextIter start, end;
+  gint line_number;
+  GtkTextBuffer *buffer;
+
+  g_return_val_if_fail (GAIL_IS_TEXT_UTIL (textutil), NULL);
+
+  buffer = textutil->buffer;
+  if (buffer == NULL)
+    {
+      *start_offset = 0;
+      *end_offset = 0;
+      return NULL;
+    }
+
+  if (!gtk_text_buffer_get_char_count (buffer))
+    {
+      *start_offset = 0;
+      *end_offset = 0;
+      return g_strdup ("");
+    }
+  gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+
+    
+  end = start;
+
+  switch (function)
+    {
+    case GAIL_BEFORE_OFFSET:
+      switch (boundary_type)
+        {
+        case ATK_TEXT_BOUNDARY_CHAR:
+          gtk_text_iter_backward_char(&start);
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_START:
+          if (!gtk_text_iter_starts_word (&start))
+            gtk_text_iter_backward_word_start (&start);
+          end = start;
+          gtk_text_iter_backward_word_start(&start);
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_END:
+          if (gtk_text_iter_inside_word (&start) &&
+              !gtk_text_iter_starts_word (&start))
+            gtk_text_iter_backward_word_start (&start);
+          while (!gtk_text_iter_ends_word (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          end = start;
+          gtk_text_iter_backward_word_start(&start);
+          while (!gtk_text_iter_ends_word (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_START:
+          if (!gtk_text_iter_starts_sentence (&start))
+            gtk_text_iter_backward_sentence_start (&start);
+          end = start;
+          gtk_text_iter_backward_sentence_start (&start);
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_END:
+          if (gtk_text_iter_inside_sentence (&start) &&
+              !gtk_text_iter_starts_sentence (&start))
+            gtk_text_iter_backward_sentence_start (&start);
+          while (!gtk_text_iter_ends_sentence (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          end = start;
+          gtk_text_iter_backward_sentence_start (&start);
+          while (!gtk_text_iter_ends_sentence (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_START:
+          if (layout == NULL)
+            {
+              line_number = gtk_text_iter_get_line (&start);
+              if (line_number == 0)
+                {
+                  gtk_text_buffer_get_iter_at_offset (buffer,
+                    &start, 0);
+                }
+              else
+                {
+                  gtk_text_iter_backward_line (&start);
+                  gtk_text_iter_forward_line (&start);
+                }
+              end = start;
+              gtk_text_iter_backward_line (&start);
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_backward_display_line_start (view, &start);
+              end = start;
+              gtk_text_view_backward_display_line (view, &start);
+            }
+          else if (PANGO_IS_LAYOUT (layout))
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_END:
+          if (layout == NULL)
+            {
+              line_number = gtk_text_iter_get_line (&start);
+              if (line_number == 0)
+                {
+                  gtk_text_buffer_get_iter_at_offset (buffer,
+                    &start, 0);
+                  end = start;
+                }
+              else
+                {
+                  gtk_text_iter_backward_line (&start);
+                  end = start;
+                  while (!gtk_text_iter_ends_line (&start))
+                    {
+                      if (!gtk_text_iter_backward_char (&start))
+                        break;
+                    }
+                  gtk_text_iter_forward_to_line_end (&end);
+                }
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_backward_display_line_start (view, &start);
+              if (!gtk_text_iter_is_start (&start))
+                {
+                  gtk_text_view_backward_display_line (view, &start);
+                  end = start;
+                  if (!gtk_text_iter_is_start (&start))
+                    {
+                      gtk_text_view_backward_display_line (view, &start);
+                      gtk_text_view_forward_display_line_end (view, &start);
+                    }
+                  gtk_text_view_forward_display_line_end (view, &end);
+                } 
+              else
+                {
+                  end = start;
+                }
+            }
+          else if (PANGO_IS_LAYOUT (layout))
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+          break;
+        }
+      break;
+ 
+    case GAIL_AT_OFFSET:
+      switch (boundary_type)
+        {
+        case ATK_TEXT_BOUNDARY_CHAR:
+          gtk_text_iter_forward_char (&end);
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_START:
+          if (!gtk_text_iter_starts_word (&start))
+            gtk_text_iter_backward_word_start (&start);
+          if (gtk_text_iter_inside_word (&end))
+            gtk_text_iter_forward_word_end (&end);
+          while (!gtk_text_iter_starts_word (&end))
+            {
+              if (!gtk_text_iter_forward_char (&end))
+                break;
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_END:
+          if (gtk_text_iter_inside_word (&start) &&
+              !gtk_text_iter_starts_word (&start))
+            gtk_text_iter_backward_word_start (&start);
+          while (!gtk_text_iter_ends_word (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          gtk_text_iter_forward_word_end (&end);
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_START:
+          if (!gtk_text_iter_starts_sentence (&start))
+            gtk_text_iter_backward_sentence_start (&start);
+          if (gtk_text_iter_inside_sentence (&end))
+            gtk_text_iter_forward_sentence_end (&end);
+          while (!gtk_text_iter_starts_sentence (&end))
+            {
+              if (!gtk_text_iter_forward_char (&end))
+                break;
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_END:
+          if (gtk_text_iter_inside_sentence (&start) &&
+              !gtk_text_iter_starts_sentence (&start))
+            gtk_text_iter_backward_sentence_start (&start);
+          while (!gtk_text_iter_ends_sentence (&start))
+            {
+              if (!gtk_text_iter_backward_char (&start))
+                break;
+            }
+          gtk_text_iter_forward_sentence_end (&end);
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_START:
+          if (layout == NULL)
+            {
+              line_number = gtk_text_iter_get_line (&start);
+              if (line_number == 0)
+                {
+                  gtk_text_buffer_get_iter_at_offset (buffer,
+                    &start, 0);
+                }
+              else
+                {
+                  gtk_text_iter_backward_line (&start);
+                  gtk_text_iter_forward_line (&start);
+                }
+              gtk_text_iter_forward_line (&end);
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_backward_display_line_start (view, &start);
+              /*
+               * The call to gtk_text_iter_forward_to_end() is needed
+               * because of bug 81960
+               */
+              if (!gtk_text_view_forward_display_line (view, &end))
+                gtk_text_iter_forward_to_end (&end);
+            }
+          else if PANGO_IS_LAYOUT (layout)
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_END:
+          if (layout == NULL)
+            {
+              line_number = gtk_text_iter_get_line (&start);
+              if (line_number == 0)
+                {
+                  gtk_text_buffer_get_iter_at_offset (buffer,
+                    &start, 0);
+                }
+              else
+                {
+                  gtk_text_iter_backward_line (&start);
+                  gtk_text_iter_forward_line (&start);
+                }
+              while (!gtk_text_iter_ends_line (&start))
+                {
+                  if (!gtk_text_iter_backward_char (&start))
+                    break;
+                }
+              gtk_text_iter_forward_to_line_end (&end);
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_backward_display_line_start (view, &start);
+              if (!gtk_text_iter_is_start (&start))
+                {
+                  gtk_text_view_backward_display_line (view, &start);
+                  gtk_text_view_forward_display_line_end (view, &start);
+                } 
+              gtk_text_view_forward_display_line_end (view, &end);
+            }
+          else if PANGO_IS_LAYOUT (layout)
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+          break;
+        }
+      break;
+  
+    case GAIL_AFTER_OFFSET:
+      switch (boundary_type)
+        {
+        case ATK_TEXT_BOUNDARY_CHAR:
+          gtk_text_iter_forward_char(&start);
+          gtk_text_iter_forward_chars(&end, 2);
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_START:
+          if (gtk_text_iter_inside_word (&end))
+            gtk_text_iter_forward_word_end (&end);
+          while (!gtk_text_iter_starts_word (&end))
+            {
+              if (!gtk_text_iter_forward_char (&end))
+                break;
+            }
+          start = end;
+          if (!gtk_text_iter_is_end (&end))
+            {
+              gtk_text_iter_forward_word_end (&end);
+              while (!gtk_text_iter_starts_word (&end))
+                {
+                  if (!gtk_text_iter_forward_char (&end))
+                    break;
+                }
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_WORD_END:
+          gtk_text_iter_forward_word_end (&end);
+          start = end;
+          if (!gtk_text_iter_is_end (&end))
+            gtk_text_iter_forward_word_end (&end);
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_START:
+          if (gtk_text_iter_inside_sentence (&end))
+            gtk_text_iter_forward_sentence_end (&end);
+          while (!gtk_text_iter_starts_sentence (&end))
+            {
+              if (!gtk_text_iter_forward_char (&end))
+                break;
+            }
+          start = end;
+          if (!gtk_text_iter_is_end (&end))
+            {
+              gtk_text_iter_forward_sentence_end (&end);
+              while (!gtk_text_iter_starts_sentence (&end))
+                {
+                  if (!gtk_text_iter_forward_char (&end))
+                    break;
+                }
+            }
+          break;
+        case ATK_TEXT_BOUNDARY_SENTENCE_END:
+          gtk_text_iter_forward_sentence_end (&end);
+          start = end;
+          if (!gtk_text_iter_is_end (&end))
+            gtk_text_iter_forward_sentence_end (&end);
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_START:
+          if (layout == NULL)
+            {
+              gtk_text_iter_forward_line (&end);
+              start = end;
+              gtk_text_iter_forward_line (&end);
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_forward_display_line (view, &end);
+              start = end; 
+              gtk_text_view_forward_display_line (view, &end);
+            }
+          else if (PANGO_IS_LAYOUT (layout))
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+          break;
+        case ATK_TEXT_BOUNDARY_LINE_END:
+          if (layout == NULL)
+            {
+              gtk_text_iter_forward_line (&start);
+              end = start;
+              if (!gtk_text_iter_is_end (&start))
+                { 
+                  while (!gtk_text_iter_ends_line (&start))
+                  {
+                    if (!gtk_text_iter_backward_char (&start))
+                      break;
+                  }
+                  gtk_text_iter_forward_to_line_end (&end);
+                }
+            }
+          else if GTK_IS_TEXT_VIEW (layout)
+            {
+              GtkTextView *view = GTK_TEXT_VIEW (layout);
+
+              gtk_text_view_forward_display_line_end (view, &end);
+              start = end; 
+              gtk_text_view_forward_display_line (view, &end);
+              gtk_text_view_forward_display_line_end (view, &end);
+            }
+          else if (PANGO_IS_LAYOUT (layout))
+            get_pango_text_offsets (PANGO_LAYOUT (layout),
+                                    buffer,
+                                    function,
+                                    boundary_type,
+                                    offset,
+                                    start_offset,
+                                    end_offset,
+                                    &start,
+                                    &end);
+          break;
+        }
+      break;
+    }
+  *start_offset = gtk_text_iter_get_offset (&start);
+  *end_offset = gtk_text_iter_get_offset (&end);
+
+  return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+/**
+ * gail_text_util_get_substring:
+ * @textutil: A #GailTextUtil
+ * @start_pos: The start position of the substring
+ * @end_pos: The end position of the substring.
+ *
+ * Gets the substring indicated by @start_pos and @end_pos
+ *
+ * Returns: the substring indicated by @start_pos and @end_pos
+ **/
+gchar*
+gail_text_util_get_substring (GailTextUtil *textutil,
+                              gint         start_pos, 
+                              gint         end_pos)
+{
+  GtkTextIter start, end;
+  GtkTextBuffer *buffer;
+
+  g_return_val_if_fail(GAIL_IS_TEXT_UTIL (textutil), NULL);
+
+  buffer = textutil->buffer;
+  if (buffer == NULL)
+     return NULL;
+
+  gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
+  if (end_pos < 0)
+    gtk_text_buffer_get_end_iter (buffer, &end);
+  else
+    gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
+
+  return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+static void
+get_pango_text_offsets (PangoLayout         *layout,
+                        GtkTextBuffer       *buffer,
+                        GailOffsetType      function,
+                        AtkTextBoundary     boundary_type,
+                        gint                offset,
+                        gint                *start_offset,
+                        gint                *end_offset,
+                        GtkTextIter         *start_iter,
+                        GtkTextIter         *end_iter)
+{
+  PangoLayoutIter *iter;
+  PangoLayoutLine *line, *prev_line = NULL, *prev_prev_line = NULL;
+  gint index, start_index, end_index;
+  const gchar *text;
+  gboolean found = FALSE;
+
+  text = pango_layout_get_text (layout);
+  index = g_utf8_offset_to_pointer (text, offset) - text;
+  iter = pango_layout_get_iter (layout);
+  do
+    {
+      line = pango_layout_iter_get_line (iter);
+      start_index = line->start_index;
+      end_index = start_index + line->length;
+
+      if (index >= start_index && index <= end_index)
+        {
+          /*
+           * Found line for offset
+           */
+          switch (function)
+            {
+            case GAIL_BEFORE_OFFSET:
+                  /*
+                   * We want the previous line
+                   */
+              if (prev_line)
+                {
+                  switch (boundary_type)
+                    {
+                    case ATK_TEXT_BOUNDARY_LINE_START:
+                      end_index = start_index;
+                      start_index = prev_line->start_index;
+                      break;
+                    case ATK_TEXT_BOUNDARY_LINE_END:
+                      if (prev_prev_line)
+                        start_index = prev_prev_line->start_index + 
+                                  prev_prev_line->length;
+                      end_index = prev_line->start_index + prev_line->length;
+                      break;
+                    default:
+                      g_assert_not_reached();
+                    }
+                }
+              else
+                start_index = end_index = 0;
+              break;
+            case GAIL_AT_OFFSET:
+              switch (boundary_type)
+                {
+                case ATK_TEXT_BOUNDARY_LINE_START:
+                  if (pango_layout_iter_next_line (iter))
+                    end_index = pango_layout_iter_get_line (iter)->start_index;
+                  break;
+                case ATK_TEXT_BOUNDARY_LINE_END:
+                  if (prev_line)
+                    start_index = prev_line->start_index + 
+                                  prev_line->length;
+                  break;
+                default:
+                  g_assert_not_reached();
+                }
+              break;
+            case GAIL_AFTER_OFFSET:
+               /*
+                * We want the next line
+                */
+              if (pango_layout_iter_next_line (iter))
+                {
+                  line = pango_layout_iter_get_line (iter);
+                  switch (boundary_type)
+                    {
+                    case ATK_TEXT_BOUNDARY_LINE_START:
+                      start_index = line->start_index;
+                      if (pango_layout_iter_next_line (iter))
+                        end_index = pango_layout_iter_get_line (iter)->start_index;
+                      else
+                        end_index = start_index + line->length;
+                      break;
+                    case ATK_TEXT_BOUNDARY_LINE_END:
+                      start_index = end_index;
+                      end_index = line->start_index + line->length;
+                      break;
+                    default:
+                      g_assert_not_reached();
+                    }
+                }
+              else
+                start_index = end_index;
+              break;
+            }
+          found = TRUE;
+          break;
+        }
+      prev_prev_line = prev_line; 
+      prev_line = line; 
+    }
+  while (pango_layout_iter_next_line (iter));
+
+  if (!found)
+    {
+      start_index = prev_line->start_index + prev_line->length;
+      end_index = start_index;
+    }
+  pango_layout_iter_free (iter);
+  *start_offset = g_utf8_pointer_to_offset (text, text + start_index);
+  *end_offset = g_utf8_pointer_to_offset (text, text + end_index);
+ 
+  gtk_text_buffer_get_iter_at_offset (buffer, start_iter, *start_offset);
+  gtk_text_buffer_get_iter_at_offset (buffer, end_iter, *end_offset);
+}
diff --git a/gtk/a11y/gailtextutil.h b/gtk/a11y/gailtextutil.h
new file mode 100644
index 0000000..b8b916a
--- /dev/null
+++ b/gtk/a11y/gailtextutil.h
@@ -0,0 +1,87 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GAIL_TEXT_UTIL_H__
+#define __GAIL_TEXT_UTIL_H__
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GAIL_TYPE_TEXT_UTIL                  (gail_text_util_get_type ())
+#define GAIL_TEXT_UTIL(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAIL_TYPE_TEXT_UTIL, GailTextUtil))
+#define GAIL_TEXT_UTIL_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GAIL_TYPE_TEXT_UTIL, GailTextUtilClass))
+#define GAIL_IS_TEXT_UTIL(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAIL_TYPE_TEXT_UTIL))
+#define GAIL_IS_TEXT_UTIL_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GAIL_TYPE_TEXT_UTIL))
+#define GAIL_TEXT_UTIL_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GAIL_TYPE_TEXT_UTIL, GailTextUtilClass))
+
+/**
+ *GailOffsetType:
+ * GAIL_BEFORE_OFFSET: Text before offset is required.
+ * GAIL_AT_OFFSET: Text at offset is required,
+ * GAIL_AFTER_OFFSET: Text after offset is required.
+ *
+ * Specifies which of the functions atk_text_get_text_before_offset(),
+ * atk_text_get_text_at_offset(), atk_text_get_text_after_offset() the
+ * function gail_text_util_get_text() is being called for.
+ **/
+typedef enum
+{
+  GAIL_BEFORE_OFFSET,
+  GAIL_AT_OFFSET,
+  GAIL_AFTER_OFFSET
+}GailOffsetType;
+
+typedef struct _GailTextUtil		GailTextUtil;
+typedef struct _GailTextUtilClass	GailTextUtilClass;
+
+struct _GailTextUtil
+{
+  GObject parent;
+
+  GtkTextBuffer *buffer;
+};
+
+struct _GailTextUtilClass
+{
+  GObjectClass parent_class;
+};
+
+GType         gail_text_util_get_type      (void);
+GailTextUtil* gail_text_util_new           (void);
+
+void          gail_text_util_text_setup    (GailTextUtil    *textutil,
+                                            const gchar     *text);
+void          gail_text_util_buffer_setup  (GailTextUtil    *textutil,
+                                            GtkTextBuffer   *buffer);
+gchar*        gail_text_util_get_text      (GailTextUtil    *textutil,
+                                             gpointer        layout,
+                                            GailOffsetType  function,
+                                            AtkTextBoundary boundary_type,
+                                            gint            offset,
+                                            gint            *start_offset,
+                                            gint            *end_offset);
+gchar*        gail_text_util_get_substring (GailTextUtil    *textutil,
+                                            gint            start_pos,
+                                            gint            end_pos);
+
+G_END_DECLS
+
+#endif /*__GAIL_TEXT_UTIL_H__ */
diff --git a/gtk/a11y/gailtextview.h b/gtk/a11y/gailtextview.h
index bb2d233..0087854 100644
--- a/gtk/a11y/gailtextview.h
+++ b/gtk/a11y/gailtextview.h
@@ -21,7 +21,7 @@
 #define __GAIL_TEXT_VIEW_H__
 
 #include "gailcontainer.h"
-#include <libgail-util/gailtextutil.h>
+#include "gailtextutil.h"
 
 G_BEGIN_DECLS
 



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]