Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 898 insertions, 0 deletions

diff --git a/app/widgets/gtkwrapbox.c b/app/widgets/gtkwrapbox.c
new file mode 100644
index 0000000..43c01e3
--- /dev/null
+++ b/app/widgets/gtkwrapbox.c
@@ -0,0 +1,898 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * GtkWrapBox: Wrapping box widget
+ * Copyright (C) 1999 Tim Janik
+ *
+ * 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 3 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
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#undef GSEAL_ENABLE
+#undef GTK_DISABLE_DEPRECATED
+
+#include "gtkwrapbox.h"
+
+
+/* --- properties --- */
+enum {
+  PROP_0,
+  PROP_HOMOGENEOUS,
+  PROP_JUSTIFY,
+  PROP_HSPACING,
+  PROP_VSPACING,
+  PROP_LINE_JUSTIFY,
+  PROP_ASPECT_RATIO,
+  PROP_CURRENT_RATIO,
+  PROP_CHILD_LIMIT
+};
+
+enum {
+  CHILD_PROP_0,
+  CHILD_PROP_POSITION,
+  CHILD_PROP_HEXPAND,
+  CHILD_PROP_HFILL,
+  CHILD_PROP_VEXPAND,
+  CHILD_PROP_VFILL,
+  CHILD_PROP_WRAPPED
+};
+
+
+/* --- prototypes --- */
+static void gtk_wrap_box_class_init    (GtkWrapBoxClass    *klass);
+static void gtk_wrap_box_init          (GtkWrapBox         *wbox);
+static void gtk_wrap_box_set_property  (GObject            *object,
+                                        guint               property_id,
+                                        const GValue       *value,
+                                        GParamSpec         *pspec);
+static void gtk_wrap_box_get_property  (GObject            *object,
+                                        guint               property_id,
+                                        GValue             *value,
+                                        GParamSpec         *pspec);
+static void gtk_wrap_box_set_child_property (GtkContainer    *container,
+                                             GtkWidget       *child,
+                                             guint            property_id,
+                                             const GValue    *value,
+                                             GParamSpec      *pspec);
+static void gtk_wrap_box_get_child_property (GtkContainer    *container,
+                                             GtkWidget       *child,
+                                             guint            property_id,
+                                             GValue          *value,
+                                             GParamSpec      *pspec);
+static void gtk_wrap_box_map           (GtkWidget          *widget);
+static void gtk_wrap_box_unmap         (GtkWidget          *widget);
+static gint gtk_wrap_box_expose        (GtkWidget          *widget,
+                                        GdkEventExpose     *event);
+static void gtk_wrap_box_add           (GtkContainer       *container,
+                                        GtkWidget          *widget);
+static void gtk_wrap_box_remove        (GtkContainer       *container,
+                                        GtkWidget          *widget);
+static void gtk_wrap_box_forall        (GtkContainer       *container,
+                                        gboolean            include_internals,
+                                        GtkCallback         callback,
+                                        gpointer            callback_data);
+static GType gtk_wrap_box_child_type   (GtkContainer       *container);
+
+
+/* --- variables --- */
+static gpointer parent_class = NULL;
+
+
+/* --- functions --- */
+GType
+gtk_wrap_box_get_type (void)
+{
+  static GType wrap_box_type = 0;
+
+  if (! wrap_box_type)
+    {
+      const GTypeInfo wrap_box_info =
+      {
+        sizeof (GtkWrapBoxClass),
+        NULL,                /* base_init */
+        NULL,                /* base_finalize */
+        (GClassInitFunc) gtk_wrap_box_class_init,
+        NULL,                /* class_finalize */
+        NULL,                /* class_data */
+        sizeof (GtkWrapBox),
+        0,                /* n_preallocs */
+        (GInstanceInitFunc) gtk_wrap_box_init,
+      };
+
+      wrap_box_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkWrapBox",
+                                              &wrap_box_info, 0);
+    }
+
+  return wrap_box_type;
+}
+
+static void
+gtk_wrap_box_class_init (GtkWrapBoxClass *class)
+{
+  GObjectClass *object_class;
+  GtkWidgetClass *widget_class;
+  GtkContainerClass *container_class;
+
+  object_class = G_OBJECT_CLASS (class);
+  widget_class = GTK_WIDGET_CLASS (class);
+  container_class = GTK_CONTAINER_CLASS (class);
+
+  parent_class = g_type_class_peek_parent (class);
+
+  object_class->set_property = gtk_wrap_box_set_property;
+  object_class->get_property = gtk_wrap_box_get_property;
+
+  widget_class->map = gtk_wrap_box_map;
+  widget_class->unmap = gtk_wrap_box_unmap;
+  widget_class->expose_event = gtk_wrap_box_expose;
+
+  container_class->add = gtk_wrap_box_add;
+  container_class->remove = gtk_wrap_box_remove;
+  container_class->forall = gtk_wrap_box_forall;
+  container_class->child_type = gtk_wrap_box_child_type;
+  container_class->set_child_property = gtk_wrap_box_set_child_property;
+  container_class->get_child_property = gtk_wrap_box_get_child_property;
+
+  class->rlist_line_children = NULL;
+
+  g_object_class_install_property (object_class,
+                                   PROP_HOMOGENEOUS,
+                                   g_param_spec_boolean ("homogeneous",
+                                                         NULL,
+                                                         NULL,
+                                                         FALSE,
+                                                         G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+                                   PROP_JUSTIFY,
+                                   g_param_spec_enum ("justify",
+                                                      NULL,
+                                                      NULL,
+                                                      GTK_TYPE_JUSTIFICATION,
+                                                      GTK_JUSTIFY_LEFT,
+                                                      G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+                                   PROP_HSPACING,
+                                   g_param_spec_uint ("hspacing",
+                                                      NULL,
+                                                      NULL,
+                                                      0,
+                                                      G_MAXINT,
+                                                      0,
+                                                      G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_VSPACING,
+                                   g_param_spec_uint ("vspacing",
+                                                      NULL,
+                                                      NULL,
+                                                      0,
+                                                      G_MAXINT,
+                                                      0,
+                                                      G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_LINE_JUSTIFY,
+                                   g_param_spec_enum ("line-justify",
+                                                      NULL,
+                                                      NULL,
+                                                      GTK_TYPE_JUSTIFICATION,
+                                                      GTK_JUSTIFY_BOTTOM,
+                                                      G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_ASPECT_RATIO,
+                                   g_param_spec_float ("aspect-ratio",
+                                                       NULL,
+                                                       NULL,
+                                                       0.0,
+                                                       G_MAXFLOAT,
+                                                       1.0,
+                                                       G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_CURRENT_RATIO,
+                                   g_param_spec_float ("current-ratio",
+                                                       NULL,
+                                                       NULL,
+                                                       0.0,
+                                                       G_MAXFLOAT,
+                                                       1.0,
+                                                       G_PARAM_READABLE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_CHILD_LIMIT,
+                                   g_param_spec_uint ("max-children-per-line",
+                                                      NULL,
+                                                      NULL,
+                                                      1,
+                                                      32767,
+                                                      32767,
+                                                      G_PARAM_READWRITE));
+
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_POSITION,
+                                              g_param_spec_int ("position",
+                                                                NULL,
+                                                                NULL,
+                                                                -1, G_MAXINT, 0,
+                                                                G_PARAM_READWRITE));
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_HEXPAND,
+                                              g_param_spec_boolean ("hexpand",
+                                                                    NULL,
+                                                                    NULL,
+                                                                    FALSE,
+                                                                    G_PARAM_READWRITE));
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_HFILL,
+                                              g_param_spec_boolean ("hfill",
+                                                                    NULL,
+                                                                    NULL,
+                                                                    FALSE,
+                                                                    G_PARAM_READWRITE));
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_VEXPAND,
+                                              g_param_spec_boolean ("vexpand",
+                                                                    NULL,
+                                                                    NULL,
+                                                                    FALSE,
+                                                                    G_PARAM_READWRITE));
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_VFILL,
+                                              g_param_spec_boolean ("vfill",
+                                                                    NULL,
+                                                                    NULL,
+                                                                    FALSE,
+                                                                    G_PARAM_READWRITE));
+  gtk_container_class_install_child_property (container_class,
+                                              CHILD_PROP_WRAPPED,
+                                              g_param_spec_boolean ("wrapped",
+                                                                    NULL,
+                                                                    NULL,
+                                                                    FALSE,
+                                                                    G_PARAM_READWRITE));
+}
+
+static void
+gtk_wrap_box_init (GtkWrapBox *wbox)
+{
+  GTK_WIDGET_SET_FLAGS (wbox, GTK_NO_WINDOW);
+
+  wbox->homogeneous = FALSE;
+  wbox->hspacing = 0;
+  wbox->vspacing = 0;
+  wbox->justify = GTK_JUSTIFY_LEFT;
+  wbox->line_justify = GTK_JUSTIFY_BOTTOM;
+  wbox->n_children = 0;
+  wbox->children = NULL;
+  wbox->aspect_ratio = 1.0;
+  wbox->child_limit = 32767;
+}
+
+static void
+gtk_wrap_box_set_property (GObject      *object,
+                           guint         property_id,
+                           const GValue *value,
+                           GParamSpec   *pspec)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (object);
+
+  switch (property_id)
+    {
+    case PROP_HOMOGENEOUS:
+      gtk_wrap_box_set_homogeneous (wbox, g_value_get_boolean (value));
+      break;
+    case PROP_JUSTIFY:
+      gtk_wrap_box_set_justify (wbox, g_value_get_enum (value));
+      break;
+    case PROP_LINE_JUSTIFY:
+      gtk_wrap_box_set_line_justify (wbox, g_value_get_enum (value));
+      break;
+    case PROP_HSPACING:
+      gtk_wrap_box_set_hspacing (wbox, g_value_get_uint (value));
+      break;
+    case PROP_VSPACING:
+      gtk_wrap_box_set_vspacing (wbox, g_value_get_uint (value));
+      break;
+    case PROP_ASPECT_RATIO:
+      gtk_wrap_box_set_aspect_ratio (wbox, g_value_get_float (value));
+      break;
+    case PROP_CHILD_LIMIT:
+      if (wbox->child_limit != g_value_get_uint (value))
+        gtk_widget_queue_resize (GTK_WIDGET (wbox));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_wrap_box_get_property (GObject    *object,
+                           guint       property_id,
+                           GValue     *value,
+                           GParamSpec *pspec)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (object);
+  GtkWidget *widget = GTK_WIDGET (object);
+
+  switch (property_id)
+    {
+    case PROP_HOMOGENEOUS:
+      g_value_set_boolean (value, wbox->homogeneous);
+      break;
+    case PROP_JUSTIFY:
+      g_value_set_enum (value, wbox->justify);
+      break;
+    case PROP_LINE_JUSTIFY:
+      g_value_set_enum (value, wbox->line_justify);
+      break;
+    case PROP_HSPACING:
+      g_value_set_uint (value, wbox->hspacing);
+      break;
+    case PROP_VSPACING:
+      g_value_set_uint (value, wbox->vspacing);
+      break;
+    case PROP_ASPECT_RATIO:
+      g_value_set_float (value, wbox->aspect_ratio);
+      break;
+    case PROP_CURRENT_RATIO:
+      g_value_set_float (value, (((gfloat) widget->allocation.width) /
+                                 ((gfloat) widget->allocation.height)));
+      break;
+    case PROP_CHILD_LIMIT:
+      g_value_set_uint (value, wbox->child_limit);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_wrap_box_set_child_property (GtkContainer    *container,
+                                 GtkWidget       *child,
+                                 guint            property_id,
+                                 const GValue    *value,
+                                 GParamSpec      *pspec)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (container);
+  gboolean hexpand = FALSE, hfill = FALSE;
+  gboolean vexpand = FALSE, vfill = FALSE;
+  gboolean wrapped = FALSE;
+
+  if (property_id != CHILD_PROP_POSITION)
+    gtk_wrap_box_query_child_packing (wbox, child,
+                                      &hexpand, &hfill,
+                                      &vexpand, &vfill,
+                                      &wrapped);
+
+  switch (property_id)
+    {
+    case CHILD_PROP_POSITION:
+      gtk_wrap_box_reorder_child (wbox, child, g_value_get_int (value));
+      break;
+    case CHILD_PROP_HEXPAND:
+      gtk_wrap_box_set_child_packing (wbox, child,
+                                      g_value_get_boolean (value), hfill,
+                                      vexpand, vfill,
+                                      wrapped);
+      break;
+    case CHILD_PROP_HFILL:
+      gtk_wrap_box_set_child_packing (wbox, child,
+                                      hexpand, g_value_get_boolean (value),
+                                      vexpand, vfill,
+                                      wrapped);
+      break;
+    case CHILD_PROP_VEXPAND:
+      gtk_wrap_box_set_child_packing (wbox, child,
+                                      hexpand, hfill,
+                                      g_value_get_boolean (value), vfill,
+                                      wrapped);
+      break;
+    case CHILD_PROP_VFILL:
+      gtk_wrap_box_set_child_packing (wbox, child,
+                                      hexpand, hfill,
+                                      vexpand, g_value_get_boolean (value),
+                                      wrapped);
+      break;
+    case CHILD_PROP_WRAPPED:
+      gtk_wrap_box_set_child_packing (wbox, child,
+                                      hexpand, hfill,
+                                      vexpand, vfill,
+                                      g_value_get_boolean (value));
+      break;
+    default:
+      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_wrap_box_get_child_property (GtkContainer    *container,
+                                 GtkWidget       *child,
+                                 guint            property_id,
+                                 GValue          *value,
+                                 GParamSpec      *pspec)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (container);
+  gboolean hexpand = FALSE, hfill = FALSE;
+  gboolean vexpand = FALSE, vfill = FALSE;
+  gboolean wrapped = FALSE;
+
+  if (property_id != CHILD_PROP_POSITION)
+    gtk_wrap_box_query_child_packing (wbox, child,
+                                      &hexpand, &hfill,
+                                      &vexpand, &vfill,
+                                      &wrapped);
+
+  switch (property_id)
+    {
+      GtkWrapBoxChild *child_info;
+      guint i;
+    case CHILD_PROP_POSITION:
+      i = 0;
+      for (child_info = wbox->children; child_info; child_info = child_info->next)
+        {
+          if (child_info->widget == child)
+            break;
+          i += 1;
+        }
+      g_value_set_int (value, child_info ? i : -1);
+      break;
+    case CHILD_PROP_HEXPAND:
+      g_value_set_boolean (value, hexpand);
+      break;
+    case CHILD_PROP_HFILL:
+      g_value_set_boolean (value, hfill);
+      break;
+    case CHILD_PROP_VEXPAND:
+      g_value_set_boolean (value, vexpand);
+      break;
+    case CHILD_PROP_VFILL:
+      g_value_set_boolean (value, vfill);
+      break;
+    case CHILD_PROP_WRAPPED:
+      g_value_set_boolean (value, wrapped);
+      break;
+    default:
+      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+      break;
+    }
+}
+
+static GType
+gtk_wrap_box_child_type        (GtkContainer *container)
+{
+  return GTK_TYPE_WIDGET;
+}
+
+void
+gtk_wrap_box_set_homogeneous (GtkWrapBox *wbox,
+                              gboolean    homogeneous)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+
+  homogeneous = homogeneous != FALSE;
+  if (wbox->homogeneous != homogeneous)
+    {
+      wbox->homogeneous = homogeneous;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_set_hspacing (GtkWrapBox *wbox,
+                           guint       hspacing)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+
+  if (wbox->hspacing != hspacing)
+    {
+      wbox->hspacing = hspacing;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_set_vspacing (GtkWrapBox *wbox,
+                           guint       vspacing)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+
+  if (wbox->vspacing != vspacing)
+    {
+      wbox->vspacing = vspacing;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_set_justify (GtkWrapBox      *wbox,
+                          GtkJustification justify)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (justify <= GTK_JUSTIFY_FILL);
+
+  if (wbox->justify != justify)
+    {
+      wbox->justify = justify;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_set_line_justify (GtkWrapBox      *wbox,
+                               GtkJustification line_justify)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (line_justify <= GTK_JUSTIFY_FILL);
+
+  if (wbox->line_justify != line_justify)
+    {
+      wbox->line_justify = line_justify;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_set_aspect_ratio (GtkWrapBox *wbox,
+                               gfloat      aspect_ratio)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+
+  aspect_ratio = CLAMP (aspect_ratio, 1.0 / 256.0, 256.0);
+
+  if (wbox->aspect_ratio != aspect_ratio)
+    {
+      wbox->aspect_ratio = aspect_ratio;
+      gtk_widget_queue_resize (GTK_WIDGET (wbox));
+    }
+}
+
+void
+gtk_wrap_box_pack (GtkWrapBox *wbox,
+                   GtkWidget  *child,
+                   gboolean    hexpand,
+                   gboolean    hfill,
+                   gboolean    vexpand,
+                   gboolean    vfill)
+{
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+  g_return_if_fail (child->parent == NULL);
+
+  gtk_wrap_box_pack_wrapped (wbox, child, hexpand, hfill, vexpand, vfill, FALSE);
+}
+
+void
+gtk_wrap_box_pack_wrapped (GtkWrapBox *wbox,
+                           GtkWidget  *child,
+                           gboolean    hexpand,
+                           gboolean    hfill,
+                           gboolean    vexpand,
+                           gboolean    vfill,
+                           gboolean    wrapped)
+{
+  GtkWrapBoxChild *child_info;
+
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+  g_return_if_fail (child->parent == NULL);
+
+  child_info = g_slice_new (GtkWrapBoxChild);
+
+  child_info->widget = child;
+  child_info->hexpand = hexpand ? TRUE : FALSE;
+  child_info->hfill = hfill ? TRUE : FALSE;
+  child_info->vexpand = vexpand ? TRUE : FALSE;
+  child_info->vfill = vfill ? TRUE : FALSE;
+  child_info->wrapped = wrapped ? TRUE : FALSE;
+  child_info->next = NULL;
+  if (wbox->children)
+    {
+      GtkWrapBoxChild *last = wbox->children;
+
+      while (last->next)
+        last = last->next;
+      last->next = child_info;
+    }
+  else
+    wbox->children = child_info;
+  wbox->n_children++;
+
+  gtk_widget_set_parent (child, GTK_WIDGET (wbox));
+
+  if (GTK_WIDGET_REALIZED (wbox))
+    gtk_widget_realize (child);
+
+  if (GTK_WIDGET_VISIBLE (wbox) && GTK_WIDGET_VISIBLE (child))
+    {
+      if (GTK_WIDGET_MAPPED (wbox))
+        gtk_widget_map (child);
+
+      gtk_widget_queue_resize (child);
+    }
+}
+
+void
+gtk_wrap_box_reorder_child (GtkWrapBox *wbox,
+                            GtkWidget  *child,
+                            gint        position)
+{
+  GtkWrapBoxChild *child_info, *last = NULL;
+
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+
+  for (child_info = wbox->children; child_info; last = child_info, child_info = last->next)
+    if (child_info->widget == child)
+      break;
+
+  if (child_info && wbox->children->next)
+    {
+      GtkWrapBoxChild *tmp;
+
+      if (last)
+        last->next = child_info->next;
+      else
+        wbox->children = child_info->next;
+
+      last = NULL;
+      tmp = wbox->children;
+      while (position && tmp->next)
+        {
+          position--;
+          last = tmp;
+          tmp = last->next;
+        }
+
+      if (position)
+        {
+          tmp->next = child_info;
+          child_info->next = NULL;
+        }
+      else
+        {
+          child_info->next = tmp;
+          if (last)
+            last->next = child_info;
+          else
+            wbox->children = child_info;
+        }
+
+      if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (wbox))
+        gtk_widget_queue_resize (child);
+    }
+}
+
+void
+gtk_wrap_box_query_child_packing (GtkWrapBox *wbox,
+                                  GtkWidget  *child,
+                                  gboolean   *hexpand,
+                                  gboolean   *hfill,
+                                  gboolean   *vexpand,
+                                  gboolean   *vfill,
+                                  gboolean   *wrapped)
+{
+  GtkWrapBoxChild *child_info;
+
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+
+  for (child_info = wbox->children; child_info; child_info = child_info->next)
+    if (child_info->widget == child)
+      break;
+
+  if (child_info)
+    {
+      if (hexpand)
+        *hexpand = child_info->hexpand;
+      if (hfill)
+        *hfill = child_info->hfill;
+      if (vexpand)
+        *vexpand = child_info->vexpand;
+      if (vfill)
+        *vfill = child_info->vfill;
+      if (wrapped)
+        *wrapped = child_info->wrapped;
+    }
+}
+
+void
+gtk_wrap_box_set_child_packing (GtkWrapBox *wbox,
+                                GtkWidget  *child,
+                                gboolean    hexpand,
+                                gboolean    hfill,
+                                gboolean    vexpand,
+                                gboolean    vfill,
+                                gboolean    wrapped)
+{
+  GtkWrapBoxChild *child_info;
+
+  g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+
+  hexpand = hexpand != FALSE;
+  hfill = hfill != FALSE;
+  vexpand = vexpand != FALSE;
+  vfill = vfill != FALSE;
+  wrapped = wrapped != FALSE;
+
+  for (child_info = wbox->children; child_info; child_info = child_info->next)
+    if (child_info->widget == child)
+      break;
+
+  if (child_info &&
+      (child_info->hexpand != hexpand || child_info->vexpand != vexpand ||
+       child_info->hfill != hfill || child_info->vfill != vfill ||
+       child_info->wrapped != wrapped))
+    {
+      child_info->hexpand = hexpand;
+      child_info->hfill = hfill;
+      child_info->vexpand = vexpand;
+      child_info->vfill = vfill;
+      child_info->wrapped = wrapped;
+
+      if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (wbox))
+        gtk_widget_queue_resize (child);
+    }
+}
+
+guint*
+gtk_wrap_box_query_line_lengths (GtkWrapBox *wbox,
+                                 guint      *_n_lines)
+{
+  GtkWrapBoxChild *next_child = NULL;
+  GtkAllocation area, *allocation;
+  gboolean expand_line;
+  GSList *slist;
+  guint max_child_size, border, n_lines = 0, *lines = NULL;
+
+  if (_n_lines)
+    *_n_lines = 0;
+  g_return_val_if_fail (GTK_IS_WRAP_BOX (wbox), NULL);
+
+  allocation = &GTK_WIDGET (wbox)->allocation;
+  border = GTK_CONTAINER (wbox)->border_width;
+  area.x = allocation->x + border;
+  area.y = allocation->y + border;
+  area.width = MAX (1, (gint) allocation->width - border * 2);
+  area.height = MAX (1, (gint) allocation->height - border * 2);
+
+  next_child = wbox->children;
+  slist = GTK_WRAP_BOX_GET_CLASS (wbox)->rlist_line_children (wbox,
+                                                              &next_child,
+                                                              &area,
+                                                              &max_child_size,
+                                                              &expand_line);
+  while (slist)
+    {
+      guint l = n_lines++;
+
+      lines = g_renew (guint, lines, n_lines);
+      lines[l] = g_slist_length (slist);
+      g_slist_free (slist);
+
+      slist = GTK_WRAP_BOX_GET_CLASS (wbox)->rlist_line_children (wbox,
+                                                                  &next_child,
+                                                                  &area,
+                                                                  &max_child_size,
+                                                                  &expand_line);
+    }
+
+  if (_n_lines)
+    *_n_lines = n_lines;
+
+  return lines;
+}
+
+static void
+gtk_wrap_box_map (GtkWidget *widget)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
+  GtkWrapBoxChild *child;
+
+  GTK_WIDGET_SET_FLAGS (wbox, GTK_MAPPED);
+
+  for (child = wbox->children; child; child = child->next)
+    if (GTK_WIDGET_VISIBLE (child->widget) &&
+        !GTK_WIDGET_MAPPED (child->widget))
+      gtk_widget_map (child->widget);
+}
+
+static void
+gtk_wrap_box_unmap (GtkWidget *widget)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
+  GtkWrapBoxChild *child;
+
+  GTK_WIDGET_UNSET_FLAGS (wbox, GTK_MAPPED);
+
+  for (child = wbox->children; child; child = child->next)
+    if (GTK_WIDGET_VISIBLE (child->widget) &&
+        GTK_WIDGET_MAPPED (child->widget))
+      gtk_widget_unmap (child->widget);
+}
+
+static gint
+gtk_wrap_box_expose (GtkWidget      *widget,
+                     GdkEventExpose *event)
+{
+  return GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+}
+
+static void
+gtk_wrap_box_add (GtkContainer *container,
+                  GtkWidget    *widget)
+{
+  gtk_wrap_box_pack (GTK_WRAP_BOX (container), widget, FALSE, TRUE, FALSE, TRUE);
+}
+
+static void
+gtk_wrap_box_remove (GtkContainer *container,
+                     GtkWidget    *widget)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (container);
+  GtkWrapBoxChild *child, *last = NULL;
+
+  child = wbox->children;
+  while (child)
+    {
+      if (child->widget == widget)
+        {
+          gboolean was_visible;
+
+          was_visible = GTK_WIDGET_VISIBLE (widget);
+          gtk_widget_unparent (widget);
+
+          if (last)
+            last->next = child->next;
+          else
+            wbox->children = child->next;
+          g_slice_free (GtkWrapBoxChild, child);
+          wbox->n_children--;
+
+          if (was_visible)
+            gtk_widget_queue_resize (GTK_WIDGET (container));
+
+          break;
+        }
+
+      last = child;
+      child = last->next;
+    }
+}
+
+static void
+gtk_wrap_box_forall (GtkContainer *container,
+                     gboolean      include_internals,
+                     GtkCallback   callback,
+                     gpointer      callback_data)
+{
+  GtkWrapBox *wbox = GTK_WRAP_BOX (container);
+  GtkWrapBoxChild *child;
+
+  child = wbox->children;
+  while (child)
+    {
+      GtkWidget *widget = child->widget;
+
+      child = child->next;
+
+      callback (widget, callback_data);
+    }
+}