Embed libart_lgpl and libgnomecanvas.

Both of these modules are deprecated and going away in GNOME 3 but we
still rely heavily on them for GnomeCalendar and ETable.  So, welcome
to the island of unwanted libraries...

1 files changed, 266 insertions, 0 deletions

diff --git a/libgnomecanvas/gailcanvas.c b/libgnomecanvas/gailcanvas.c
new file mode 100644
index 0000000000..4ec0b67de3
--- /dev/null
+++ b/libgnomecanvas/gailcanvas.c
@@ -0,0 +1,266 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <libgnomecanvas/gnome-canvas.h>
+#include <libgnomecanvas/gnome-canvas-text.h>
+#include <libgnomecanvas/gnome-canvas-rich-text.h>
+#include <libgnomecanvas/gnome-canvas-widget.h>
+#include "gailcanvas.h"
+#include "gailcanvasitem.h"
+#include "gailcanvasgroupfactory.h"
+#include "gailcanvastextfactory.h"
+#include "gailcanvasitemfactory.h"
+#include "gailcanvaswidgetfactory.h"
+
+static void       gail_canvas_class_init          (GailCanvasClass *klass);
+static void       gail_canvas_real_initialize     (AtkObject       *obj,
+                                                   gpointer        data);
+
+static gint       gail_canvas_get_n_children      (AtkObject       *obj);
+static AtkObject* gail_canvas_ref_child           (AtkObject       *obj,
+                                                   gint            i);
+
+static void       adjustment_changed              (GtkAdjustment   *adjustment,
+                                                   GnomeCanvas     *canvas);
+
+static AtkObject* gail_canvas_factory_create_accessible (GObject *obj);
+
+static GType      gail_canvas_factory_get_accessible_type (void);
+
+G_DEFINE_TYPE (GailCanvasFactory,
+               gail_canvas_factory,
+               ATK_TYPE_OBJECT_FACTORY);
+
+static void
+gail_canvas_factory_init (GailCanvasFactory *foo)
+{
+  ;
+}
+
+static void
+gail_canvas_factory_class_init (GailCanvasFactoryClass *klass)
+{
+  AtkObjectFactoryClass *class = ATK_OBJECT_FACTORY_CLASS (klass);
+
+  class->create_accessible = gail_canvas_factory_create_accessible;
+  class->get_accessible_type = gail_canvas_factory_get_accessible_type;
+}
+
+static AtkObject*
+gail_canvas_factory_create_accessible (GObject   *obj)
+{
+  return gail_canvas_new (GTK_WIDGET (obj));
+}
+
+static GType
+gail_canvas_factory_get_accessible_type (void)
+{
+  return GAIL_TYPE_CANVAS;
+}
+
+GType
+gail_canvas_get_type (void)
+{
+  static GType type = 0;
+
+  if (!type)
+    {
+      GType parent_type = g_type_parent (GNOME_TYPE_CANVAS);      
+      AtkObjectFactory *factory = atk_registry_get_factory (
+				   atk_get_default_registry (), 
+				   parent_type);
+      GType atkobject_parent_type = atk_object_factory_get_accessible_type (factory);
+      GTypeQuery query;
+      static GTypeInfo tinfo =
+      {
+        0, /* class size */
+        (GBaseInitFunc) NULL, /* base init */
+        (GBaseFinalizeFunc) NULL, /* base finalize */
+        (GClassInitFunc) gail_canvas_class_init, /* class init */
+        (GClassFinalizeFunc) NULL, /* class finalize */
+        NULL, /* class data */
+        0, /* instance size */
+        0, /* nb preallocs */
+        (GInstanceInitFunc) NULL, /* instance init */
+        NULL /* value table */
+      };
+      g_type_query (atkobject_parent_type, &query);
+      tinfo.class_size = query.class_size;
+      tinfo.instance_size = query.instance_size;
+
+      /* use the size obtained from the parent type factory */
+      type = g_type_register_static (atkobject_parent_type,
+                                     "GailCanvas", &tinfo, 0);
+    }
+
+  return type;
+}
+
+static AtkObjectClass *parent_atk_object_class;
+
+/**
+ * Tell ATK how to create the appropriate AtkObject peers 
+ **/
+void
+gail_canvas_init (void)
+{
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS, 
+				 gail_canvas_factory_get_type ());
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS_GROUP, 
+				 gail_canvas_group_factory_get_type ());
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS_TEXT, 
+				 gail_canvas_text_factory_get_type ());
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS_RICH_TEXT, 
+				 gail_canvas_text_factory_get_type ());
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS_WIDGET,
+				 gail_canvas_widget_factory_get_type());
+  atk_registry_set_factory_type (atk_get_default_registry (),
+				 GNOME_TYPE_CANVAS_ITEM, 
+				 gail_canvas_item_factory_get_type ());
+}
+
+static void
+gail_canvas_class_init (GailCanvasClass *klass)
+{
+  AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+  parent_atk_object_class = g_type_class_peek_parent (klass);
+
+  class->get_n_children = gail_canvas_get_n_children;
+  class->ref_child = gail_canvas_ref_child;
+  class->initialize = gail_canvas_real_initialize;
+}
+
+AtkObject* 
+gail_canvas_new (GtkWidget *widget)
+{
+  GObject *object;
+  AtkObject *accessible;
+
+  g_return_val_if_fail (GNOME_IS_CANVAS (widget), NULL);
+
+  object = g_object_new (GAIL_TYPE_CANVAS, NULL);
+
+  accessible = ATK_OBJECT (object);
+  atk_object_initialize (accessible, widget);
+
+  return accessible;
+}
+
+
+static void
+gail_canvas_real_initialize (AtkObject *obj,
+                             gpointer  data)
+{
+  GnomeCanvas *canvas;
+  GtkAdjustment *adj;
+
+  parent_atk_object_class->initialize (obj, data);
+
+  canvas = GNOME_CANVAS (data);
+
+  adj = canvas->layout.hadjustment;
+  g_signal_connect (adj,
+                    "value_changed",
+                    G_CALLBACK (adjustment_changed),
+                    canvas);
+
+  adj = canvas->layout.vadjustment;
+  g_signal_connect (adj,
+                    "value_changed",
+                    G_CALLBACK (adjustment_changed),
+                    canvas);
+
+  obj->role =  ATK_ROLE_LAYERED_PANE;
+}
+
+static gint 
+gail_canvas_get_n_children (AtkObject* obj)
+{
+  GtkAccessible *accessible;
+  GtkWidget *widget;
+  GnomeCanvas *canvas;
+  GnomeCanvasGroup *root_group;
+
+  g_return_val_if_fail (GAIL_IS_CANVAS (obj), 0);
+
+  accessible = GTK_ACCESSIBLE (obj);
+  widget = accessible->widget;
+  if (widget == NULL)
+    /* State is defunct */
+    return 0;
+
+  g_return_val_if_fail (GNOME_IS_CANVAS (widget), 0);
+
+  canvas = GNOME_CANVAS (widget);
+  root_group = gnome_canvas_root (canvas);
+  g_return_val_if_fail (root_group, 0);
+  return 1;
+}
+
+static AtkObject* 
+gail_canvas_ref_child (AtkObject *obj,
+		       gint       i)
+{
+  GtkAccessible *accessible;
+  GtkWidget *widget;
+  GnomeCanvas *canvas;
+  GnomeCanvasGroup *root_group;
+  AtkObject *atk_object;
+
+  /* Canvas only has one child, so return NULL if anything else is requested */
+  if (i != 0)
+    return NULL;
+  g_return_val_if_fail (GAIL_IS_CANVAS (obj), NULL);
+
+  accessible = GTK_ACCESSIBLE (obj);
+  widget = accessible->widget;
+  if (widget == NULL)
+    /* State is defunct */
+    return NULL;
+  g_return_val_if_fail (GNOME_IS_CANVAS (widget), NULL);
+
+  canvas = GNOME_CANVAS (widget);
+  root_group = gnome_canvas_root (canvas);
+  g_return_val_if_fail (root_group, NULL);
+
+  atk_object = atk_gobject_accessible_for_object (G_OBJECT (root_group));
+  g_object_ref (atk_object);
+  return atk_object;
+}
+
+static void
+adjustment_changed (GtkAdjustment *adjustment,
+                    GnomeCanvas   *canvas)
+{
+  AtkObject *atk_obj;
+
+  /*
+   * The scrollbars have changed
+   */
+  atk_obj = gtk_widget_get_accessible (GTK_WIDGET (canvas));
+
+  g_signal_emit_by_name (atk_obj, "visible_data_changed");
+}
+