[gtk/text: 10/17] Add a GtkTextAccessible



commit 2e4f7a4d0bc2383b1bf0ae5ac57f6548673c3aa9
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 15 21:30:36 2019 -0500

    Add a GtkTextAccessible
    
    Add an accessible implementation for GtkText.

 gtk/a11y/gtktextaccessible.c | 1030 ++++++++++++++++++++++++++++++++++++++++++
 gtk/a11y/gtktextaccessible.h |   57 +++
 gtk/a11y/meson.build         |    2 +
 gtk/gtktext.c                |   15 +-
 4 files changed, 1091 insertions(+), 13 deletions(-)
---
diff --git a/gtk/a11y/gtktextaccessible.c b/gtk/a11y/gtktextaccessible.c
new file mode 100644
index 0000000000..6a0bd453b1
--- /dev/null
+++ b/gtk/a11y/gtktextaccessible.c
@@ -0,0 +1,1030 @@
+/* GTK+ - accessibility implementations
+ * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#define GDK_COMPILATION
+#include "gdk/gdkeventsprivate.h"
+
+#include <glib/gi18n-lib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include "gtkpango.h"
+#include "gtktextaccessible.h"
+#include "gtktextprivate.h"
+#include "gtkcomboboxaccessible.h"
+#include "gtkstylecontextprivate.h"
+#include "gtkwidgetprivate.h"
+
+struct _GtkTextAccessiblePrivate
+{
+  gint cursor_position;
+  gint selection_bound;
+};
+
+/* Callbacks */
+
+static void     insert_text_cb             (GtkEditable        *editable,
+                                            gchar              *new_text,
+                                            gint                new_text_length,
+                                            gint               *position);
+static void     delete_text_cb             (GtkEditable        *editable,
+                                            gint                start,
+                                            gint                end);
+
+static gboolean check_for_selection_change (GtkTextAccessible *entry,
+                                            GtkText           *gtk_text);
+
+
+static void atk_editable_text_interface_init (AtkEditableTextIface *iface);
+static void atk_text_interface_init          (AtkTextIface         *iface);
+static void atk_action_interface_init        (AtkActionIface       *iface);
+
+
+G_DEFINE_TYPE_WITH_CODE (GtkTextAccessible, gtk_text_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
+                         G_ADD_PRIVATE (GtkTextAccessible)
+                         G_IMPLEMENT_INTERFACE (ATK_TYPE_EDITABLE_TEXT, atk_editable_text_interface_init)
+                         G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init)
+                         G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
+
+
+static AtkStateSet *
+gtk_text_accessible_ref_state_set (AtkObject *accessible)
+{
+  AtkStateSet *state_set;
+  gboolean value;
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
+  if (widget == NULL)
+    return NULL;
+
+  state_set = ATK_OBJECT_CLASS (gtk_text_accessible_parent_class)->ref_state_set (accessible);
+
+  g_object_get (G_OBJECT (widget), "editable", &value, NULL);
+  if (value)
+    atk_state_set_add_state (state_set, ATK_STATE_EDITABLE);
+  atk_state_set_add_state (state_set, ATK_STATE_SINGLE_LINE);
+
+  return state_set;
+}
+
+static AtkAttributeSet *
+gtk_text_accessible_get_attributes (AtkObject *accessible)
+{
+  GtkWidget *widget;
+  AtkAttributeSet *attributes;
+  AtkAttribute *placeholder_text;
+  const gchar *text;
+
+  attributes = ATK_OBJECT_CLASS (gtk_text_accessible_parent_class)->get_attributes (accessible);
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
+  if (widget == NULL)
+    return attributes;
+
+  text = gtk_text_get_placeholder_text (GTK_TEXT (widget));
+  if (text == NULL)
+    return attributes;
+
+  placeholder_text = g_malloc (sizeof (AtkAttribute));
+  placeholder_text->name = g_strdup ("placeholder-text");
+  placeholder_text->value = g_strdup (text);
+
+  attributes = g_slist_append (attributes, placeholder_text);
+
+  return attributes;
+}
+
+static void
+gtk_text_accessible_initialize (AtkObject *obj,
+                                 gpointer   data)
+{
+  GtkText *entry;
+  GtkTextAccessible *gtk_text_accessible;
+  gint start_pos, end_pos;
+
+  ATK_OBJECT_CLASS (gtk_text_accessible_parent_class)->initialize (obj, data);
+
+  gtk_text_accessible = GTK_TEXT_ACCESSIBLE (obj);
+
+  entry = GTK_TEXT (data);
+  gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start_pos, &end_pos);
+  gtk_text_accessible->priv->cursor_position = end_pos;
+  gtk_text_accessible->priv->selection_bound = start_pos;
+
+  /* Set up signal callbacks */
+  g_signal_connect_after (entry, "insert-text", G_CALLBACK (insert_text_cb), NULL);
+  g_signal_connect (entry, "delete-text", G_CALLBACK (delete_text_cb), NULL);
+
+  if (gtk_text_get_visibility (entry))
+    obj->role = ATK_ROLE_TEXT;
+  else
+    obj->role = ATK_ROLE_PASSWORD_TEXT;
+}
+
+static void
+gtk_text_accessible_notify_gtk (GObject    *obj,
+                                 GParamSpec *pspec)
+{
+  GtkWidget *widget;
+  AtkObject* atk_obj;
+  GtkText* gtk_text;
+  GtkTextAccessible* entry;
+
+  widget = GTK_WIDGET (obj);
+  atk_obj = gtk_widget_get_accessible (widget);
+  gtk_text = GTK_TEXT (widget);
+  entry = GTK_TEXT_ACCESSIBLE (atk_obj);
+
+  if (g_strcmp0 (pspec->name, "cursor-position") == 0)
+    {
+      if (check_for_selection_change (entry, gtk_text))
+        g_signal_emit_by_name (atk_obj, "text-selection-changed");
+      /*
+       * The entry cursor position has moved so generate the signal.
+       */
+      g_signal_emit_by_name (atk_obj, "text-caret-moved",
+                             entry->priv->cursor_position);
+    }
+  else if (g_strcmp0 (pspec->name, "selection-bound") == 0)
+    {
+      if (check_for_selection_change (entry, gtk_text))
+        g_signal_emit_by_name (atk_obj, "text-selection-changed");
+    }
+  else if (g_strcmp0 (pspec->name, "editable") == 0)
+    {
+      gboolean value;
+
+      g_object_get (obj, "editable", &value, NULL);
+      atk_object_notify_state_change (atk_obj, ATK_STATE_EDITABLE, value);
+    }
+  else if (g_strcmp0 (pspec->name, "visibility") == 0)
+    {
+      gboolean visibility;
+      AtkRole new_role;
+
+      visibility = gtk_text_get_visibility (gtk_text);
+      new_role = visibility ? ATK_ROLE_TEXT : ATK_ROLE_PASSWORD_TEXT;
+      atk_object_set_role (atk_obj, new_role);
+    }
+  else
+    GTK_WIDGET_ACCESSIBLE_CLASS (gtk_text_accessible_parent_class)->notify_gtk (obj, pspec);
+}
+
+static gint
+gtk_text_accessible_get_index_in_parent (AtkObject *accessible)
+{
+  /*
+   * If the parent widget is a combo box then the index is 1
+   * otherwise do the normal thing.
+   */
+  if (accessible->accessible_parent)
+    if (GTK_IS_COMBO_BOX_ACCESSIBLE (accessible->accessible_parent))
+      return 1;
+
+  return ATK_OBJECT_CLASS (gtk_text_accessible_parent_class)->get_index_in_parent (accessible);
+}
+
+static void
+gtk_text_accessible_class_init (GtkTextAccessibleClass *klass)
+{
+  AtkObjectClass  *class = ATK_OBJECT_CLASS (klass);
+  GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
+
+  class->ref_state_set = gtk_text_accessible_ref_state_set;
+  class->get_index_in_parent = gtk_text_accessible_get_index_in_parent;
+  class->initialize = gtk_text_accessible_initialize;
+  class->get_attributes = gtk_text_accessible_get_attributes;
+
+  widget_class->notify_gtk = gtk_text_accessible_notify_gtk;
+}
+
+static void
+gtk_text_accessible_init (GtkTextAccessible *entry)
+{
+  entry->priv = gtk_text_accessible_get_instance_private (entry);
+  entry->priv->cursor_position = 0;
+  entry->priv->selection_bound = 0;
+}
+
+static gchar *
+gtk_text_accessible_get_text (AtkText *atk_text,
+                               gint     start_pos,
+                               gint     end_pos)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
+  if (widget == NULL)
+    return NULL;
+
+  return gtk_text_get_display_text (GTK_TEXT (widget), start_pos, end_pos);
+}
+
+static gchar *
+gtk_text_accessible_get_text_before_offset (AtkText         *text,
+                                             gint             offset,
+                                             AtkTextBoundary  boundary_type,
+                                             gint            *start_offset,
+                                             gint            *end_offset)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  return _gtk_pango_get_text_before (gtk_text_get_layout (GTK_TEXT (widget)),
+                                     boundary_type, offset,
+                                     start_offset, end_offset);
+}
+
+static gchar *
+gtk_text_accessible_get_text_at_offset (AtkText         *text,
+                                         gint             offset,
+                                         AtkTextBoundary  boundary_type,
+                                         gint            *start_offset,
+                                         gint            *end_offset)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  return _gtk_pango_get_text_at (gtk_text_get_layout (GTK_TEXT (widget)),
+                                 boundary_type, offset,
+                                 start_offset, end_offset);
+}
+
+static gchar *
+gtk_text_accessible_get_text_after_offset (AtkText         *text,
+                                            gint             offset,
+                                            AtkTextBoundary  boundary_type,
+                                            gint            *start_offset,
+                                            gint            *end_offset)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  return _gtk_pango_get_text_after (gtk_text_get_layout (GTK_TEXT (widget)),
+                                    boundary_type, offset,
+                                    start_offset, end_offset);
+}
+
+static gint
+gtk_text_accessible_get_character_count (AtkText *atk_text)
+{
+  GtkWidget *widget;
+  gchar *text;
+  glong char_count;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
+  if (widget == NULL)
+    return 0;
+
+  text = gtk_text_get_display_text (GTK_TEXT (widget), 0, -1);
+
+  char_count = 0;
+  if (text)
+    {
+      char_count = g_utf8_strlen (text, -1);
+      g_free (text);
+    }
+
+  return char_count;
+}
+
+static gint
+gtk_text_accessible_get_caret_offset (AtkText *text)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return 0;
+
+  return gtk_editable_get_position (GTK_EDITABLE (widget));
+}
+
+static gboolean
+gtk_text_accessible_set_caret_offset (AtkText *text,
+                                       gint     offset)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return FALSE;
+
+  gtk_editable_set_position (GTK_EDITABLE (widget), offset);
+
+  return TRUE;
+}
+
+static AtkAttributeSet *
+add_text_attribute (AtkAttributeSet  *attributes,
+                    AtkTextAttribute  attr,
+                    gint              i)
+{
+  AtkAttribute *at;
+
+  at = g_new (AtkAttribute, 1);
+  at->name = g_strdup (atk_text_attribute_get_name (attr));
+  at->value = g_strdup (atk_text_attribute_get_value (attr, i));
+
+  return g_slist_prepend (attributes, at);
+}
+
+static AtkAttributeSet *
+gtk_text_accessible_get_run_attributes (AtkText *text,
+                                         gint     offset,
+                                         gint    *start_offset,
+                                         gint    *end_offset)
+{
+  GtkWidget *widget;
+  AtkAttributeSet *attributes;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  attributes = NULL;
+  attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
+                                   gtk_widget_get_direction (widget));
+  attributes = _gtk_pango_get_run_attributes (attributes,
+                                              gtk_text_get_layout (GTK_TEXT (widget)),
+                                              offset,
+                                              start_offset,
+                                              end_offset);
+
+  return attributes;
+}
+
+static AtkAttributeSet *
+gtk_text_accessible_get_default_attributes (AtkText *text)
+{
+  GtkWidget *widget;
+  AtkAttributeSet *attributes;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  attributes = NULL;
+  attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
+                                   gtk_widget_get_direction (widget));
+  attributes = _gtk_pango_get_default_attributes (attributes,
+                                                  gtk_text_get_layout (GTK_TEXT (widget)));
+  attributes = _gtk_style_context_get_attributes (attributes,
+                                                  gtk_widget_get_style_context (widget));
+
+  return attributes;
+}
+
+static void
+gtk_text_accessible_get_character_extents (AtkText      *text,
+                                            gint          offset,
+                                            gint         *x,
+                                            gint         *y,
+                                            gint         *width,
+                                            gint         *height,
+                                            AtkCoordType  coords)
+{
+  GtkWidget *widget;
+  GtkText *entry;
+  PangoRectangle char_rect;
+  gchar *entry_text;
+  gint index, x_layout, y_layout;
+  GdkSurface *surface;
+  gint x_surface, y_surface;
+  GtkAllocation allocation;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  entry = GTK_TEXT (widget);
+
+  gtk_text_get_layout_offsets (entry, &x_layout, &y_layout);
+  entry_text = gtk_text_get_display_text (entry, 0, -1);
+  index = g_utf8_offset_to_pointer (entry_text, offset) - entry_text;
+  g_free (entry_text);
+
+  pango_layout_index_to_pos (gtk_text_get_layout (entry), index, &char_rect);
+  pango_extents_to_pixels (&char_rect, NULL);
+
+  gtk_widget_get_allocation (widget, &allocation);
+
+  surface = gtk_widget_get_surface (widget);
+  gdk_surface_get_origin (surface, &x_surface, &y_surface);
+
+  *x = x_surface + allocation.x + x_layout + char_rect.x;
+  *y = y_surface + allocation.y + y_layout + char_rect.y;
+  *width = char_rect.width;
+  *height = char_rect.height;
+
+  if (coords == ATK_XY_WINDOW)
+    {
+      surface = gdk_surface_get_toplevel (surface);
+      gdk_surface_get_origin (surface, &x_surface, &y_surface);
+
+      *x -= x_surface;
+      *y -= y_surface;
+    }
+}
+
+static gint
+gtk_text_accessible_get_offset_at_point (AtkText      *atk_text,
+                                          gint          x,
+                                          gint          y,
+                                          AtkCoordType  coords)
+{
+  GtkWidget *widget;
+  GtkText *entry;
+  gchar *text;
+  gint index, x_layout, y_layout;
+  gint x_surface, y_surface;
+  gint x_local, y_local;
+  GdkSurface *surface;
+  glong offset;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
+  if (widget == NULL)
+    return -1;
+
+  entry = GTK_TEXT (widget);
+
+  gtk_text_get_layout_offsets (entry, &x_layout, &y_layout);
+
+  surface = gtk_widget_get_surface (widget);
+  gdk_surface_get_origin (surface, &x_surface, &y_surface);
+
+  x_local = x - x_layout - x_surface;
+  y_local = y - y_layout - y_surface;
+
+  if (coords == ATK_XY_WINDOW)
+    {
+      surface = gdk_surface_get_toplevel (surface);
+      gdk_surface_get_origin (surface, &x_surface, &y_surface);
+
+      x_local += x_surface;
+      y_local += y_surface;
+    }
+  if (!pango_layout_xy_to_index (gtk_text_get_layout (entry),
+                                 x_local * PANGO_SCALE,
+                                 y_local * PANGO_SCALE,
+                                 &index, NULL))
+    {
+      if (x_local < 0 || y_local < 0)
+        index = 0;
+      else
+        index = -1;
+    }
+
+  offset = -1;
+  if (index != -1)
+    {
+      text = gtk_text_get_display_text (entry, 0, -1);
+      offset = g_utf8_pointer_to_offset (text, text + index);
+      g_free (text);
+    }
+
+  return offset;
+}
+
+static gint
+gtk_text_accessible_get_n_selections (AtkText *text)
+{
+  GtkWidget *widget;
+  gint start, end;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return 0;
+
+  if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
+    return 1;
+
+  return 0;
+}
+
+static gchar *
+gtk_text_accessible_get_selection (AtkText *text,
+                                    gint     selection_num,
+                                    gint    *start_pos,
+                                    gint    *end_pos)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return NULL;
+
+  if (selection_num != 0)
+     return NULL;
+
+  if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), start_pos, end_pos))
+    return gtk_editable_get_chars (GTK_EDITABLE (widget), *start_pos, *end_pos);
+
+  return NULL;
+}
+
+static gboolean
+gtk_text_accessible_add_selection (AtkText *text,
+                                    gint     start_pos,
+                                    gint     end_pos)
+{
+  GtkText *entry;
+  GtkWidget *widget;
+  gint start, end;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return FALSE;
+
+  entry = GTK_TEXT (widget);
+
+  if (!gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
+    {
+      gtk_editable_select_region (GTK_EDITABLE (entry), start_pos, end_pos);
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+static gboolean
+gtk_text_accessible_remove_selection (AtkText *text,
+                                       gint     selection_num)
+{
+  GtkWidget *widget;
+  gint start, end;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return FALSE;
+
+  if (selection_num != 0)
+     return FALSE;
+
+  if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
+    {
+      gtk_editable_select_region (GTK_EDITABLE (widget), end, end);
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+static gboolean
+gtk_text_accessible_set_selection (AtkText *text,
+                                    gint     selection_num,
+                                    gint     start_pos,
+                                    gint     end_pos)
+{
+  GtkWidget *widget;
+  gint start, end;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return FALSE;
+
+  if (selection_num != 0)
+     return FALSE;
+
+  if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
+    {
+      gtk_editable_select_region (GTK_EDITABLE (widget), start_pos, end_pos);
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+static gunichar
+gtk_text_accessible_get_character_at_offset (AtkText *atk_text,
+                                              gint     offset)
+{
+  GtkWidget *widget;
+  gchar *text;
+  gchar *index;
+  gunichar result;
+
+  result = '\0';
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
+  if (widget == NULL)
+    return result;
+
+  if (!gtk_text_get_visibility (GTK_TEXT (widget)))
+    return result;
+
+  text = gtk_text_get_display_text (GTK_TEXT (widget), 0, -1);
+  if (offset < g_utf8_strlen (text, -1))
+    {
+      index = g_utf8_offset_to_pointer (text, offset);
+      result = g_utf8_get_char (index);
+      g_free (text);
+    }
+
+  return result;
+}
+
+static void
+atk_text_interface_init (AtkTextIface *iface)
+{
+  iface->get_text = gtk_text_accessible_get_text;
+  iface->get_character_at_offset = gtk_text_accessible_get_character_at_offset;
+  iface->get_text_before_offset = gtk_text_accessible_get_text_before_offset;
+  iface->get_text_at_offset = gtk_text_accessible_get_text_at_offset;
+  iface->get_text_after_offset = gtk_text_accessible_get_text_after_offset;
+  iface->get_caret_offset = gtk_text_accessible_get_caret_offset;
+  iface->set_caret_offset = gtk_text_accessible_set_caret_offset;
+  iface->get_character_count = gtk_text_accessible_get_character_count;
+  iface->get_n_selections = gtk_text_accessible_get_n_selections;
+  iface->get_selection = gtk_text_accessible_get_selection;
+  iface->add_selection = gtk_text_accessible_add_selection;
+  iface->remove_selection = gtk_text_accessible_remove_selection;
+  iface->set_selection = gtk_text_accessible_set_selection;
+  iface->get_run_attributes = gtk_text_accessible_get_run_attributes;
+  iface->get_default_attributes = gtk_text_accessible_get_default_attributes;
+  iface->get_character_extents = gtk_text_accessible_get_character_extents;
+  iface->get_offset_at_point = gtk_text_accessible_get_offset_at_point;
+}
+
+static void
+gtk_text_accessible_set_text_contents (AtkEditableText *text,
+                                        const gchar     *string)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  if (!gtk_editable_get_editable (GTK_EDITABLE (widget)))
+    return;
+
+  gtk_editable_set_text (GTK_EDITABLE (widget), string);
+}
+
+static void
+gtk_text_accessible_insert_text (AtkEditableText *text,
+                                  const gchar     *string,
+                                  gint             length,
+                                  gint            *position)
+{
+  GtkWidget *widget;
+  GtkEditable *editable;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  editable = GTK_EDITABLE (widget);
+  if (!gtk_editable_get_editable (editable))
+    return;
+
+  gtk_editable_insert_text (editable, string, length, position);
+  gtk_editable_set_position (editable, *position);
+}
+
+static void
+gtk_text_accessible_copy_text (AtkEditableText *text,
+                                gint             start_pos,
+                                gint             end_pos)
+{
+  GtkWidget *widget;
+  GtkEditable *editable;
+  gchar *str;
+  GdkClipboard *clipboard;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  editable = GTK_EDITABLE (widget);
+  str = gtk_editable_get_chars (editable, start_pos, end_pos);
+  clipboard = gtk_widget_get_clipboard (widget);
+  gdk_clipboard_set_text (clipboard, str);
+  g_free (str);
+}
+
+static void
+gtk_text_accessible_cut_text (AtkEditableText *text,
+                               gint             start_pos,
+                               gint             end_pos)
+{
+  GtkWidget *widget;
+  GtkEditable *editable;
+  gchar *str;
+  GdkClipboard *clipboard;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  editable = GTK_EDITABLE (widget);
+  if (!gtk_editable_get_editable (editable))
+    return;
+
+  str = gtk_editable_get_chars (editable, start_pos, end_pos);
+  clipboard = gtk_widget_get_clipboard (widget);
+  gdk_clipboard_set_text (clipboard, str);
+  gtk_editable_delete_text (editable, start_pos, end_pos);
+}
+
+static void
+gtk_text_accessible_delete_text (AtkEditableText *text,
+                                  gint             start_pos,
+                                  gint             end_pos)
+{
+  GtkWidget *widget;
+  GtkEditable *editable;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  editable = GTK_EDITABLE (widget);
+  if (!gtk_editable_get_editable (editable))
+    return;
+
+  gtk_editable_delete_text (editable, start_pos, end_pos);
+}
+
+typedef struct
+{
+  GtkText* entry;
+  gint position;
+} PasteData;
+
+static void
+paste_received_cb (GObject      *clipboard,
+                   GAsyncResult *result,
+                   gpointer      data)
+{
+  PasteData *paste = data;
+  char *text;
+
+  text = gdk_clipboard_read_text_finish (GDK_CLIPBOARD (clipboard), result, NULL);
+  if (text)
+    gtk_editable_insert_text (GTK_EDITABLE (paste->entry), text, -1,
+                              &paste->position);
+
+  g_object_unref (paste->entry);
+  g_free (paste);
+  g_free (text);
+}
+
+static void
+gtk_text_accessible_paste_text (AtkEditableText *text,
+                                 gint             position)
+{
+  GtkWidget *widget;
+  GtkEditable *editable;
+  PasteData *paste;
+  GdkClipboard *clipboard;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+  if (widget == NULL)
+    return;
+
+  editable = GTK_EDITABLE (widget);
+  if (!gtk_editable_get_editable (editable))
+    return;
+
+  paste = g_new0 (PasteData, 1);
+  paste->entry = GTK_TEXT (widget);
+  paste->position = position;
+
+  g_object_ref (paste->entry);
+  clipboard = gtk_widget_get_clipboard (widget);
+  gdk_clipboard_read_text_async (clipboard, NULL, paste_received_cb, paste);
+}
+
+static void
+atk_editable_text_interface_init (AtkEditableTextIface *iface)
+{
+  iface->set_text_contents = gtk_text_accessible_set_text_contents;
+  iface->insert_text = gtk_text_accessible_insert_text;
+  iface->copy_text = gtk_text_accessible_copy_text;
+  iface->cut_text = gtk_text_accessible_cut_text;
+  iface->delete_text = gtk_text_accessible_delete_text;
+  iface->paste_text = gtk_text_accessible_paste_text;
+  iface->set_run_attributes = NULL;
+}
+
+static void
+insert_text_cb (GtkEditable *editable,
+                gchar       *new_text,
+                gint         new_text_length,
+                gint        *position)
+{
+  GtkTextAccessible *accessible;
+  gint length;
+
+  if (new_text_length == 0)
+    return;
+
+  accessible = GTK_TEXT_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable)));
+  length = g_utf8_strlen (new_text, new_text_length);
+
+  g_signal_emit_by_name (accessible,
+                         "text-changed::insert",
+                         *position - length,
+                          length);
+}
+
+/* We connect to GtkEditable::delete-text, since it carries
+ * the information we need. But we delay emitting our own
+ * text_changed::delete signal until the entry has update
+ * all its internal state and emits GtkText::changed.
+ */
+static void
+delete_text_cb (GtkEditable *editable,
+                gint         start,
+                gint         end)
+{
+  GtkTextAccessible *accessible;
+
+  accessible = GTK_TEXT_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable)));
+
+  if (end < 0)
+    {
+      gchar *text;
+
+      text = gtk_text_get_display_text (GTK_TEXT (editable), 0, -1);
+      end = g_utf8_strlen (text, -1);
+      g_free (text);
+    }
+
+  if (end == start)
+    return;
+
+  g_signal_emit_by_name (accessible,
+                         "text-changed::delete",
+                         start,
+                         end - start);
+}
+
+static gboolean
+check_for_selection_change (GtkTextAccessible *accessible,
+                            GtkText           *entry)
+{
+  gboolean ret_val = FALSE;
+  gint start, end;
+
+  if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
+    {
+      if (end != accessible->priv->cursor_position ||
+          start != accessible->priv->selection_bound)
+        /*
+         * This check is here as this function can be called
+         * for notification of selection_bound and current_pos.
+         * The values of current_pos and selection_bound may be the same
+         * for both notifications and we only want to generate one
+         * text_selection_changed signal.
+         */
+        ret_val = TRUE;
+    }
+  else
+    {
+      /* We had a selection */
+      ret_val = (accessible->priv->cursor_position != accessible->priv->selection_bound);
+    }
+
+  accessible->priv->cursor_position = end;
+  accessible->priv->selection_bound = start;
+
+  return ret_val;
+}
+
+static gboolean
+gtk_text_accessible_do_action (AtkAction *action,
+                                gint       i)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
+  if (widget == NULL)
+    return FALSE;
+
+  if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
+    return FALSE;
+
+  if (i != 0)
+    return FALSE;
+
+  gtk_widget_activate (widget);
+
+  return TRUE;
+}
+
+static gint
+gtk_text_accessible_get_n_actions (AtkAction *action)
+{
+  return 1;
+}
+
+static const gchar *
+gtk_text_accessible_get_keybinding (AtkAction *action,
+                                     gint       i)
+{
+  GtkWidget *widget;
+  GtkWidget *label;
+  AtkRelationSet *set;
+  AtkRelation *relation;
+  GPtrArray *target;
+  gpointer target_object;
+  guint key_val;
+
+  if (i != 0)
+    return NULL;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
+  if (widget == NULL)
+    return NULL;
+
+  set = atk_object_ref_relation_set (ATK_OBJECT (action));
+  if (!set)
+    return NULL;
+
+  label = NULL;
+  relation = atk_relation_set_get_relation_by_type (set, ATK_RELATION_LABELLED_BY);
+  if (relation)
+    {
+      target = atk_relation_get_target (relation);
+
+      target_object = g_ptr_array_index (target, 0);
+      label = gtk_accessible_get_widget (GTK_ACCESSIBLE (target_object));
+    }
+
+  g_object_unref (set);
+
+  if (GTK_IS_LABEL (label))
+    {
+      key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
+      if (key_val != GDK_KEY_VoidSymbol)
+        return gtk_accelerator_name (key_val, GDK_MOD1_MASK);
+    }
+
+  return NULL;
+}
+
+static const gchar*
+gtk_text_accessible_action_get_name (AtkAction *action,
+                                      gint       i)
+{
+  if (i == 0)
+    return "activate";
+  return NULL;
+}
+
+static const gchar*
+gtk_text_accessible_action_get_localized_name (AtkAction *action,
+                                                gint       i)
+{
+  if (i == 0)
+    return C_("Action name", "Activate");
+  return NULL;
+}
+
+static const gchar*
+gtk_text_accessible_action_get_description (AtkAction *action,
+                                             gint       i)
+{
+  if (i == 0)
+    return C_("Action description", "Activates the entry");
+  return NULL;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+  iface->do_action = gtk_text_accessible_do_action;
+  iface->get_n_actions = gtk_text_accessible_get_n_actions;
+  iface->get_keybinding = gtk_text_accessible_get_keybinding;
+  iface->get_name = gtk_text_accessible_action_get_name;
+  iface->get_localized_name = gtk_text_accessible_action_get_localized_name;
+  iface->get_description = gtk_text_accessible_action_get_description;
+}
diff --git a/gtk/a11y/gtktextaccessible.h b/gtk/a11y/gtktextaccessible.h
new file mode 100644
index 0000000000..e47be4236d
--- /dev/null
+++ b/gtk/a11y/gtktextaccessible.h
@@ -0,0 +1,57 @@
+/* GTK+ - accessibility implementations
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_TEXT_ACCESSIBLE_H__
+#define __GTK_TEXT_ACCESSIBLE_H__
+
+#if !defined (__GTK_A11Y_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk-a11y.h> can be included directly."
+#endif
+
+#include <gtk/a11y/gtkwidgetaccessible.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_TEXT_ACCESSIBLE                      (gtk_text_accessible_get_type ())
+#define GTK_TEXT_ACCESSIBLE(obj)                      (G_TYPE_CHECK_INSTANCE_CAST ((obj), 
GTK_TYPE_TEXT_ACCESSIBLE, GtkTextAccessible))
+#define GTK_TEXT_ACCESSIBLE_CLASS(klass)              (G_TYPE_CHECK_CLASS_CAST ((klass), 
GTK_TYPE_TEXT_ACCESSIBLE, GtkTextAccessibleClass))
+#define GTK_IS_TEXT_ACCESSIBLE(obj)                   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), 
GTK_TYPE_TEXT_ACCESSIBLE))
+#define GTK_IS_TEXT_ACCESSIBLE_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), 
GTK_TYPE_TEXT_ACCESSIBLE))
+#define GTK_TEXT_ACCESSIBLE_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), 
GTK_TYPE_TEXT_ACCESSIBLE, GtkTextAccessibleClass))
+
+typedef struct _GtkTextAccessible        GtkTextAccessible;
+typedef struct _GtkTextAccessibleClass   GtkTextAccessibleClass;
+typedef struct _GtkTextAccessiblePrivate GtkTextAccessiblePrivate;
+
+struct _GtkTextAccessible
+{
+  GtkWidgetAccessible parent;
+
+  GtkTextAccessiblePrivate *priv;
+};
+
+struct _GtkTextAccessibleClass
+{
+  GtkWidgetAccessibleClass parent_class;
+};
+
+GDK_AVAILABLE_IN_ALL
+GType gtk_text_accessible_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GTK_TEXT_ACCESSIBLE_H__ */
diff --git a/gtk/a11y/meson.build b/gtk/a11y/meson.build
index e1a1f86be9..4ea944d0fd 100644
--- a/gtk/a11y/meson.build
+++ b/gtk/a11y/meson.build
@@ -46,6 +46,7 @@ a11y_sources = files([
   'gtkstackaccessible.c',
   'gtkstatusbaraccessible.c',
   'gtkswitchaccessible.c',
+  'gtktextaccessible.c',
   'gtktextcellaccessible.c',
   'gtktextviewaccessible.c',
   'gtktogglebuttonaccessible.c',
@@ -100,6 +101,7 @@ a11y_headers = files([
   'gtkstackaccessible.h',
   'gtkstatusbaraccessible.h',
   'gtkswitchaccessible.h',
+  'gtktextaccessible.h',
   'gtktextcellaccessible.h',
   'gtktextviewaccessible.h',
   'gtktogglebuttonaccessible.h',
diff --git a/gtk/gtktext.c b/gtk/gtktext.c
index 26a30e6d50..bdd96867b4 100644
--- a/gtk/gtktext.c
+++ b/gtk/gtktext.c
@@ -67,7 +67,7 @@
 #include "gtkwidgetprivate.h"
 #include "gtkwindow.h"
 
-#include "a11y/gtkentryaccessible.h"
+#include "a11y/gtktextaccessible.h"
 
 #include <cairo-gobject.h>
 #include <string.h>
@@ -228,17 +228,6 @@ struct _GtkTextPrivate
   guint         populate_all            : 1;
 };
 
-struct _EntryIconInfo
-{
-  GtkWidget *widget;
-  gchar *tooltip;
-  guint nonactivatable : 1;
-  guint in_drag        : 1;
-
-  GdkDragAction actions;
-  GdkContentFormats *target_list;
-};
-
 struct _GtkTextPasswordHint
 {
   int position;      /* Position (in text) of the last password hint */
@@ -1382,7 +1371,7 @@ gtk_text_class_init (GtkTextClass *class)
   gtk_binding_entry_add_signal (binding_set, GDK_KEY_semicolon, GDK_CONTROL_MASK,
                                 "insert-emoji", 0);
 
-  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_ENTRY_ACCESSIBLE);
+  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TEXT_ACCESSIBLE);
   gtk_widget_class_set_css_name (widget_class, I_("text"));
 }
 


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