Blame gtk/gtksizegroup.c

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/* GTK - The GIMP Toolkit
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 * gtksizegroup.c: 
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 * Copyright (C) 2001 Red Hat Software
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#include "config.h"
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#include <string.h>
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#include "gtkcontainer.h"
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#include "gtkintl.h"
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#include "gtkprivate.h"
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#include "gtksizegroup.h"
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#include "gtkbuildable.h"
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#include "gtkalias.h"
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enum {
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  PROP_0,
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  PROP_MODE,
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  PROP_IGNORE_HIDDEN
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};
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static void gtk_size_group_set_property (GObject      *object,
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					 guint         prop_id,
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					 const GValue *value,
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					 GParamSpec   *pspec);
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static void gtk_size_group_get_property (GObject      *object,
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					 guint         prop_id,
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					 GValue       *value,
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					 GParamSpec   *pspec);
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static void add_group_to_closure  (GtkSizeGroup      *group,
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				   GtkSizeGroupMode   mode,
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				   GSList           **groups,
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				   GSList           **widgets);
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static void add_widget_to_closure (GtkWidget         *widget,
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				   GtkSizeGroupMode   mode,
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				   GSList           **groups,
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				   GSList           **widgets);
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/* GtkBuildable */
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static void gtk_size_group_buildable_init (GtkBuildableIface *iface);
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static gboolean gtk_size_group_buildable_custom_tag_start (GtkBuildable  *buildable,
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							   GtkBuilder    *builder,
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							   GObject       *child,
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							   const gchar   *tagname,
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							   GMarkupParser *parser,
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							   gpointer      *data);
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static void gtk_size_group_buildable_custom_finished (GtkBuildable  *buildable,
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						      GtkBuilder    *builder,
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						      GObject       *child,
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						      const gchar   *tagname,
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						      gpointer       user_data);
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static GQuark size_groups_quark;
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static const gchar size_groups_tag[] = "gtk-size-groups";
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static GQuark visited_quark;
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static const gchar visited_tag[] = "gtk-size-group-visited";
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static GSList *
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get_size_groups (GtkWidget *widget)
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{
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  return g_object_get_qdata (G_OBJECT (widget), size_groups_quark);
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}
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static void
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set_size_groups (GtkWidget *widget,
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		 GSList    *groups)
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{
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  g_object_set_qdata (G_OBJECT (widget), size_groups_quark, groups);
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}
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static void
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mark_visited (gpointer object)
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{
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  g_object_set_qdata (object, visited_quark, "visited");
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}
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static void
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mark_unvisited (gpointer object)
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{
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  g_object_set_qdata (object, visited_quark, NULL);
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}
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static gboolean
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is_visited (gpointer object)
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{
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  return g_object_get_qdata (object, visited_quark) != NULL;
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}
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static void
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add_group_to_closure (GtkSizeGroup    *group,
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		      GtkSizeGroupMode mode,
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		      GSList         **groups,
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		      GSList         **widgets)
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{
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  GSList *tmp_widgets;
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  *groups = g_slist_prepend (*groups, group);
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  mark_visited (group);
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  tmp_widgets = group->widgets;
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  while (tmp_widgets)
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    {
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      GtkWidget *tmp_widget = tmp_widgets->data;
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      if (!is_visited (tmp_widget))
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	add_widget_to_closure (tmp_widget, mode, groups, widgets);
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      tmp_widgets = tmp_widgets->next;
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    }
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}
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static void
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add_widget_to_closure (GtkWidget       *widget,
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		       GtkSizeGroupMode mode,
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		       GSList         **groups,
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		       GSList         **widgets)
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{
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  GSList *tmp_groups;
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  *widgets = g_slist_prepend (*widgets, widget);
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  mark_visited (widget);
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  tmp_groups = get_size_groups (widget);
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  while (tmp_groups)
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    {
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      GtkSizeGroup *tmp_group = tmp_groups->data;
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      if ((tmp_group->mode == GTK_SIZE_GROUP_BOTH || tmp_group->mode == mode) &&
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	  !is_visited (tmp_group))
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	add_group_to_closure (tmp_group, mode, groups, widgets);
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      tmp_groups = tmp_groups->next;
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    }
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}
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static void
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real_queue_resize (GtkWidget *widget)
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{
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  GTK_PRIVATE_SET_FLAG (widget, GTK_ALLOC_NEEDED);
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  GTK_PRIVATE_SET_FLAG (widget, GTK_REQUEST_NEEDED);
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  if (widget->parent)
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    _gtk_container_queue_resize (GTK_CONTAINER (widget->parent));
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  else if (gtk_widget_is_toplevel (widget) && GTK_IS_CONTAINER (widget))
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    _gtk_container_queue_resize (GTK_CONTAINER (widget));
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}
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static void
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reset_group_sizes (GSList *groups)
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{
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  GSList *tmp_list = groups;
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  while (tmp_list)
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    {
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      GtkSizeGroup *tmp_group = tmp_list->data;
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      tmp_group->have_width = FALSE;
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      tmp_group->have_height = FALSE;
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      tmp_list = tmp_list->next;
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    }
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}
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static void
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queue_resize_on_widget (GtkWidget *widget,
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			gboolean   check_siblings)
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{
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  GtkWidget *parent = widget;
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  GSList *tmp_list;
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  while (parent)
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    {
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      GSList *widget_groups;
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      GSList *groups;
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      GSList *widgets;
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      if (widget == parent && !check_siblings)
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	{
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	  real_queue_resize (widget);
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	  parent = parent->parent;
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	  continue;
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	}
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      widget_groups = get_size_groups (parent);
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      if (!widget_groups)
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	{
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	  if (widget == parent)
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	    real_queue_resize (widget);
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	  parent = parent->parent;
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	  continue;
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	}
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      groups = NULL;
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      widgets = NULL;
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      add_widget_to_closure (parent, GTK_SIZE_GROUP_HORIZONTAL, &groups, &widgets);
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      g_slist_foreach (widgets, (GFunc)mark_unvisited, NULL);
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      g_slist_foreach (groups, (GFunc)mark_unvisited, NULL);
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      reset_group_sizes (groups);
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      tmp_list = widgets;
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      while (tmp_list)
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	{
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	  if (tmp_list->data == parent)
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	    {
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	      if (widget == parent)
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		real_queue_resize (parent);
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	    }
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	  else if (tmp_list->data == widget)
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            {
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              g_warning ("A container and its child are part of this SizeGroup");
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            }
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	  else
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	    queue_resize_on_widget (tmp_list->data, FALSE);
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	  tmp_list = tmp_list->next;
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	}
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      g_slist_free (widgets);
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      g_slist_free (groups);
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      groups = NULL;
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      widgets = NULL;
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      add_widget_to_closure (parent, GTK_SIZE_GROUP_VERTICAL, &groups, &widgets);
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      g_slist_foreach (widgets, (GFunc)mark_unvisited, NULL);
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      g_slist_foreach (groups, (GFunc)mark_unvisited, NULL);
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      reset_group_sizes (groups);
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      tmp_list = widgets;
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      while (tmp_list)
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	{
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	  if (tmp_list->data == parent)
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	    {
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	      if (widget == parent)
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		real_queue_resize (parent);
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	    }
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	  else if (tmp_list->data == widget)
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            {
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              g_warning ("A container and its child are part of this SizeGroup");
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            }
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	  else
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	    queue_resize_on_widget (tmp_list->data, FALSE);
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	  tmp_list = tmp_list->next;
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	}
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      g_slist_free (widgets);
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      g_slist_free (groups);
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      parent = parent->parent;
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    }
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}
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static void
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queue_resize_on_group (GtkSizeGroup *size_group)
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{
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  if (size_group->widgets)
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    queue_resize_on_widget (size_group->widgets->data, TRUE);
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}
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static void
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initialize_size_group_quarks (void)
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{
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  if (!size_groups_quark)
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    {
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      size_groups_quark = g_quark_from_static_string (size_groups_tag);
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      visited_quark = g_quark_from_static_string (visited_tag);
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    }
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}
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static void
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gtk_size_group_class_init (GtkSizeGroupClass *klass)
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{
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  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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  gobject_class->set_property = gtk_size_group_set_property;
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  gobject_class->get_property = gtk_size_group_get_property;
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  g_object_class_install_property (gobject_class,
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				   PROP_MODE,
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				   g_param_spec_enum ("mode",
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						      P_("Mode"),
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						      P_("The directions in which the size group affects the requested sizes"
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							" of its component widgets"),
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						      GTK_TYPE_SIZE_GROUP_MODE,
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						      GTK_SIZE_GROUP_HORIZONTAL,						      GTK_PARAM_READWRITE));
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  /**
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   * GtkSizeGroup:ignore-hidden:
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   *
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   * If %TRUE, unmapped widgets are ignored when determining 
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   * the size of the group.
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   *
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   * Since: 2.8
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   */
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  g_object_class_install_property (gobject_class,
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				   PROP_IGNORE_HIDDEN,
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				   g_param_spec_boolean ("ignore-hidden",
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							 P_("Ignore hidden"),
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							 P_("If TRUE, unmapped widgets are ignored "
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							    "when determining the size of the group"),
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							 FALSE,
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							 GTK_PARAM_READWRITE));
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  initialize_size_group_quarks ();
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}
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static void
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gtk_size_group_init (GtkSizeGroup *size_group)
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{
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  size_group->widgets = NULL;
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  size_group->mode = GTK_SIZE_GROUP_HORIZONTAL;
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  size_group->have_width = 0;
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  size_group->have_height = 0;
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  size_group->ignore_hidden = 0;
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}
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static void
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gtk_size_group_buildable_init (GtkBuildableIface *iface)
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{
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  iface->custom_tag_start = gtk_size_group_buildable_custom_tag_start;
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  iface->custom_finished = gtk_size_group_buildable_custom_finished;
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}
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G_DEFINE_TYPE_WITH_CODE (GtkSizeGroup, gtk_size_group, G_TYPE_OBJECT,
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			 G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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						gtk_size_group_buildable_init))
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static void
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gtk_size_group_set_property (GObject      *object,
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			     guint         prop_id,
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			     const GValue *value,
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			     GParamSpec   *pspec)
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{
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  GtkSizeGroup *size_group = GTK_SIZE_GROUP (object);
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  switch (prop_id)
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    {
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    case PROP_MODE:
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      gtk_size_group_set_mode (size_group, g_value_get_enum (value));
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      break;
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    case PROP_IGNORE_HIDDEN:
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      gtk_size_group_set_ignore_hidden (size_group, g_value_get_boolean (value));
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      break;
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    default:
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      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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      break;
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    }
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}
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static void
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gtk_size_group_get_property (GObject      *object,
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			     guint         prop_id,
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			     GValue       *value,
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			     GParamSpec   *pspec)
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{
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  GtkSizeGroup *size_group = GTK_SIZE_GROUP (object);
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  switch (prop_id)
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    {
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    case PROP_MODE:
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      g_value_set_enum (value, size_group->mode);
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      break;
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    case PROP_IGNORE_HIDDEN:
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      g_value_set_boolean (value, size_group->ignore_hidden);
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      break;
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    default:
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      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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      break;
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    }
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}
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/**
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 * gtk_size_group_new:
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 * @mode: the mode for the new size group.
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 * 
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 * Create a new #GtkSizeGroup.
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 * Return value: a newly created #GtkSizeGroup
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 **/
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GtkSizeGroup *
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gtk_size_group_new (GtkSizeGroupMode mode)
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{
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  GtkSizeGroup *size_group = g_object_new (GTK_TYPE_SIZE_GROUP, NULL);
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  size_group->mode = mode;
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  return size_group;
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}
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/**
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 * gtk_size_group_set_mode:
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 * @size_group: a #GtkSizeGroup
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 * @mode: the mode to set for the size group.
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 * 
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 * Sets the #GtkSizeGroupMode of the size group. The mode of the size
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 * group determines whether the widgets in the size group should
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 * all have the same horizontal requisition (%GTK_SIZE_GROUP_MODE_HORIZONTAL)
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 * all have the same vertical requisition (%GTK_SIZE_GROUP_MODE_VERTICAL),
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 * or should all have the same requisition in both directions
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 * (%GTK_SIZE_GROUP_MODE_BOTH).
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 **/
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void
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gtk_size_group_set_mode (GtkSizeGroup     *size_group,
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			 GtkSizeGroupMode  mode)
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{
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  g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
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  if (size_group->mode != mode)
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    {
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      if (size_group->mode != GTK_SIZE_GROUP_NONE)
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	queue_resize_on_group (size_group);
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      size_group->mode = mode;
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      if (size_group->mode != GTK_SIZE_GROUP_NONE)
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	queue_resize_on_group (size_group);
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Packit Service fb6fa5
      g_object_notify (G_OBJECT (size_group), "mode");
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_get_mode:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGroup
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Gets the current mode of the size group. See gtk_size_group_set_mode().
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Return value: the current mode of the size group.
Packit Service fb6fa5
 **/
Packit Service fb6fa5
GtkSizeGroupMode
Packit Service fb6fa5
gtk_size_group_get_mode (GtkSizeGroup *size_group)
Packit Service fb6fa5
{
Packit Service fb6fa5
  g_return_val_if_fail (GTK_IS_SIZE_GROUP (size_group), GTK_SIZE_GROUP_BOTH);
Packit Service fb6fa5
Packit Service fb6fa5
  return size_group->mode;
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_set_ignore_hidden:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGroup
Packit Service fb6fa5
 * @ignore_hidden: whether unmapped widgets should be ignored
Packit Service fb6fa5
 *   when calculating the size
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Sets whether unmapped widgets should be ignored when
Packit Service fb6fa5
 * calculating the size.
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Since: 2.8 
Packit Service fb6fa5
 */
Packit Service fb6fa5
void
Packit Service fb6fa5
gtk_size_group_set_ignore_hidden (GtkSizeGroup *size_group,
Packit Service fb6fa5
				  gboolean      ignore_hidden)
Packit Service fb6fa5
{
Packit Service fb6fa5
  g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
Packit Service fb6fa5
  
Packit Service fb6fa5
  ignore_hidden = ignore_hidden != FALSE;
Packit Service fb6fa5
Packit Service fb6fa5
  if (size_group->ignore_hidden != ignore_hidden)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      size_group->ignore_hidden = ignore_hidden;
Packit Service fb6fa5
Packit Service fb6fa5
      g_object_notify (G_OBJECT (size_group), "ignore-hidden");
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_get_ignore_hidden:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGroup
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Returns if invisible widgets are ignored when calculating the size.
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Returns: %TRUE if invisible widgets are ignored.
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Since: 2.8
Packit Service fb6fa5
 */
Packit Service fb6fa5
gboolean
Packit Service fb6fa5
gtk_size_group_get_ignore_hidden (GtkSizeGroup *size_group)
Packit Service fb6fa5
{
Packit Service fb6fa5
  g_return_val_if_fail (GTK_IS_SIZE_GROUP (size_group), FALSE);
Packit Service fb6fa5
Packit Service fb6fa5
  return size_group->ignore_hidden;
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static void
Packit Service fb6fa5
gtk_size_group_widget_destroyed (GtkWidget    *widget,
Packit Service fb6fa5
				 GtkSizeGroup *size_group)
Packit Service fb6fa5
{
Packit Service fb6fa5
  gtk_size_group_remove_widget (size_group, widget);
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_add_widget:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGroup
Packit Service fb6fa5
 * @widget: the #GtkWidget to add
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Adds a widget to a #GtkSizeGroup. In the future, the requisition
Packit Service fb6fa5
 * of the widget will be determined as the maximum of its requisition
Packit Service fb6fa5
 * and the requisition of the other widgets in the size group.
Packit Service fb6fa5
 * Whether this applies horizontally, vertically, or in both directions
Packit Service fb6fa5
 * depends on the mode of the size group. See gtk_size_group_set_mode().
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * When the widget is destroyed or no longer referenced elsewhere, it will 
Packit Service fb6fa5
 * be removed from the size group.
Packit Service fb6fa5
 */
Packit Service fb6fa5
void
Packit Service fb6fa5
gtk_size_group_add_widget (GtkSizeGroup     *size_group,
Packit Service fb6fa5
			   GtkWidget        *widget)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GSList *groups;
Packit Service fb6fa5
  
Packit Service fb6fa5
  g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
Packit Service fb6fa5
  g_return_if_fail (GTK_IS_WIDGET (widget));
Packit Service fb6fa5
  
Packit Service fb6fa5
  groups = get_size_groups (widget);
Packit Service fb6fa5
Packit Service fb6fa5
  if (!g_slist_find (groups, size_group))
Packit Service fb6fa5
    {
Packit Service fb6fa5
      groups = g_slist_prepend (groups, size_group);
Packit Service fb6fa5
      set_size_groups (widget, groups);
Packit Service fb6fa5
Packit Service fb6fa5
      size_group->widgets = g_slist_prepend (size_group->widgets, widget);
Packit Service fb6fa5
Packit Service fb6fa5
      g_signal_connect (widget, "destroy",
Packit Service fb6fa5
			G_CALLBACK (gtk_size_group_widget_destroyed),
Packit Service fb6fa5
			size_group);
Packit Service fb6fa5
Packit Service fb6fa5
      g_object_ref (size_group);
Packit Service fb6fa5
    }
Packit Service fb6fa5
  
Packit Service fb6fa5
  queue_resize_on_group (size_group);
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_remove_widget:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGrup
Packit Service fb6fa5
 * @widget: the #GtkWidget to remove
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Removes a widget from a #GtkSizeGroup.
Packit Service fb6fa5
 **/
Packit Service fb6fa5
void
Packit Service fb6fa5
gtk_size_group_remove_widget (GtkSizeGroup *size_group,
Packit Service fb6fa5
			      GtkWidget    *widget)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GSList *groups;
Packit Service fb6fa5
  
Packit Service fb6fa5
  g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
Packit Service fb6fa5
  g_return_if_fail (GTK_IS_WIDGET (widget));
Packit Service fb6fa5
  g_return_if_fail (g_slist_find (size_group->widgets, widget));
Packit Service fb6fa5
Packit Service fb6fa5
  g_signal_handlers_disconnect_by_func (widget,
Packit Service fb6fa5
					gtk_size_group_widget_destroyed,
Packit Service fb6fa5
					size_group);
Packit Service fb6fa5
  
Packit Service fb6fa5
  groups = get_size_groups (widget);
Packit Service fb6fa5
  groups = g_slist_remove (groups, size_group);
Packit Service fb6fa5
  set_size_groups (widget, groups);
Packit Service fb6fa5
Packit Service fb6fa5
  size_group->widgets = g_slist_remove (size_group->widgets, widget);
Packit Service fb6fa5
  queue_resize_on_group (size_group);
Packit Service fb6fa5
  gtk_widget_queue_resize (widget);
Packit Service fb6fa5
Packit Service fb6fa5
  g_object_unref (size_group);
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * gtk_size_group_get_widgets:
Packit Service fb6fa5
 * @size_group: a #GtkSizeGrup
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Returns the list of widgets associated with @size_group.
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Return value:  (element-type GtkWidget) (transfer none): a #GSList of
Packit Service fb6fa5
 *   widgets. The list is owned by GTK+ and should not be modified.
Packit Service fb6fa5
 *
Packit Service fb6fa5
 * Since: 2.10
Packit Service fb6fa5
 **/
Packit Service fb6fa5
GSList *
Packit Service fb6fa5
gtk_size_group_get_widgets (GtkSizeGroup *size_group)
Packit Service fb6fa5
{
Packit Service fb6fa5
  return size_group->widgets;
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static gint
Packit Service fb6fa5
get_base_dimension (GtkWidget        *widget,
Packit Service fb6fa5
		    GtkSizeGroupMode  mode)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GtkWidgetAuxInfo *aux_info = _gtk_widget_get_aux_info (widget, FALSE);
Packit Service fb6fa5
Packit Service fb6fa5
  if (mode == GTK_SIZE_GROUP_HORIZONTAL)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      if (aux_info && aux_info->width > 0)
Packit Service fb6fa5
	return aux_info->width;
Packit Service fb6fa5
      else
Packit Service fb6fa5
	return widget->requisition.width;
Packit Service fb6fa5
    }
Packit Service fb6fa5
  else
Packit Service fb6fa5
    {
Packit Service fb6fa5
      if (aux_info && aux_info->height > 0)
Packit Service fb6fa5
	return aux_info->height;
Packit Service fb6fa5
      else
Packit Service fb6fa5
	return widget->requisition.height;
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static void
Packit Service fb6fa5
do_size_request (GtkWidget *widget)
Packit Service fb6fa5
{
Packit Service fb6fa5
  if (GTK_WIDGET_REQUEST_NEEDED (widget))
Packit Service fb6fa5
    {
Packit Service fb6fa5
      gtk_widget_ensure_style (widget);      
Packit Service fb6fa5
      GTK_PRIVATE_UNSET_FLAG (widget, GTK_REQUEST_NEEDED);
Packit Service fb6fa5
      g_signal_emit_by_name (widget,
Packit Service fb6fa5
			     "size-request",
Packit Service fb6fa5
			     &widget->requisition);
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static gint
Packit Service fb6fa5
compute_base_dimension (GtkWidget        *widget,
Packit Service fb6fa5
			GtkSizeGroupMode  mode)
Packit Service fb6fa5
{
Packit Service fb6fa5
  do_size_request (widget);
Packit Service fb6fa5
Packit Service fb6fa5
  return get_base_dimension (widget, mode);
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static gint
Packit Service fb6fa5
compute_dimension (GtkWidget        *widget,
Packit Service fb6fa5
		   GtkSizeGroupMode  mode)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GSList *widgets = NULL;
Packit Service fb6fa5
  GSList *groups = NULL;
Packit Service fb6fa5
  GSList *tmp_list;
Packit Service fb6fa5
  gint result = 0;
Packit Service fb6fa5
Packit Service fb6fa5
  add_widget_to_closure (widget, mode, &groups, &widgets);
Packit Service fb6fa5
Packit Service fb6fa5
  g_slist_foreach (widgets, (GFunc)mark_unvisited, NULL);
Packit Service fb6fa5
  g_slist_foreach (groups, (GFunc)mark_unvisited, NULL);
Packit Service fb6fa5
  
Packit Service fb6fa5
  g_slist_foreach (widgets, (GFunc)g_object_ref, NULL);
Packit Service fb6fa5
  
Packit Service fb6fa5
  if (!groups)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      result = compute_base_dimension (widget, mode);
Packit Service fb6fa5
    }
Packit Service fb6fa5
  else
Packit Service fb6fa5
    {
Packit Service fb6fa5
      GtkSizeGroup *group = groups->data;
Packit Service fb6fa5
Packit Service fb6fa5
      if (mode == GTK_SIZE_GROUP_HORIZONTAL && group->have_width)
Packit Service fb6fa5
	result = group->requisition.width;
Packit Service fb6fa5
      else if (mode == GTK_SIZE_GROUP_VERTICAL && group->have_height)
Packit Service fb6fa5
	result = group->requisition.height;
Packit Service fb6fa5
      else
Packit Service fb6fa5
	{
Packit Service fb6fa5
	  tmp_list = widgets;
Packit Service fb6fa5
	  while (tmp_list)
Packit Service fb6fa5
	    {
Packit Service fb6fa5
	      GtkWidget *tmp_widget = tmp_list->data;
Packit Service fb6fa5
Packit Service fb6fa5
	      gint dimension = compute_base_dimension (tmp_widget, mode);
Packit Service fb6fa5
Packit Service fb6fa5
	      if (gtk_widget_get_mapped (tmp_widget) || !group->ignore_hidden)
Packit Service fb6fa5
		{
Packit Service fb6fa5
		  if (dimension > result)
Packit Service fb6fa5
		    result = dimension;
Packit Service fb6fa5
		}
Packit Service fb6fa5
Packit Service fb6fa5
	      tmp_list = tmp_list->next;
Packit Service fb6fa5
	    }
Packit Service fb6fa5
Packit Service fb6fa5
	  tmp_list = groups;
Packit Service fb6fa5
	  while (tmp_list)
Packit Service fb6fa5
	    {
Packit Service fb6fa5
	      GtkSizeGroup *tmp_group = tmp_list->data;
Packit Service fb6fa5
Packit Service fb6fa5
	      if (mode == GTK_SIZE_GROUP_HORIZONTAL)
Packit Service fb6fa5
		{
Packit Service fb6fa5
		  tmp_group->have_width = TRUE;
Packit Service fb6fa5
		  tmp_group->requisition.width = result;
Packit Service fb6fa5
		}
Packit Service fb6fa5
	      else
Packit Service fb6fa5
		{
Packit Service fb6fa5
		  tmp_group->have_height = TRUE;
Packit Service fb6fa5
		  tmp_group->requisition.height = result;
Packit Service fb6fa5
		}
Packit Service fb6fa5
	      
Packit Service fb6fa5
	      tmp_list = tmp_list->next;
Packit Service fb6fa5
	    }
Packit Service fb6fa5
	}
Packit Service fb6fa5
    }
Packit Service fb6fa5
Packit Service fb6fa5
  g_slist_foreach (widgets, (GFunc)g_object_unref, NULL);
Packit Service fb6fa5
Packit Service fb6fa5
  g_slist_free (widgets);
Packit Service fb6fa5
  g_slist_free (groups);
Packit Service fb6fa5
Packit Service fb6fa5
  return result;
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static gint
Packit Service fb6fa5
get_dimension (GtkWidget        *widget,
Packit Service fb6fa5
	       GtkSizeGroupMode  mode)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GSList *widgets = NULL;
Packit Service fb6fa5
  GSList *groups = NULL;
Packit Service fb6fa5
  gint result = 0;
Packit Service fb6fa5
Packit Service fb6fa5
  add_widget_to_closure (widget, mode, &groups, &widgets);
Packit Service fb6fa5
Packit Service fb6fa5
  g_slist_foreach (widgets, (GFunc)mark_unvisited, NULL);
Packit Service fb6fa5
  g_slist_foreach (groups, (GFunc)mark_unvisited, NULL);  
Packit Service fb6fa5
Packit Service fb6fa5
  if (!groups)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      result = get_base_dimension (widget, mode);
Packit Service fb6fa5
    }
Packit Service fb6fa5
  else
Packit Service fb6fa5
    {
Packit Service fb6fa5
      GtkSizeGroup *group = groups->data;
Packit Service fb6fa5
Packit Service fb6fa5
      if (mode == GTK_SIZE_GROUP_HORIZONTAL && group->have_width)
Packit Service fb6fa5
	result = group->requisition.width;
Packit Service fb6fa5
      else if (mode == GTK_SIZE_GROUP_VERTICAL && group->have_height)
Packit Service fb6fa5
	result = group->requisition.height;
Packit Service fb6fa5
    }
Packit Service fb6fa5
Packit Service fb6fa5
  g_slist_free (widgets);
Packit Service fb6fa5
  g_slist_free (groups);
Packit Service fb6fa5
Packit Service fb6fa5
  return result;
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static void
Packit Service fb6fa5
get_fast_child_requisition (GtkWidget      *widget,
Packit Service fb6fa5
			    GtkRequisition *requisition)
Packit Service fb6fa5
{
Packit Service fb6fa5
  GtkWidgetAuxInfo *aux_info = _gtk_widget_get_aux_info (widget, FALSE);
Packit Service fb6fa5
  
Packit Service fb6fa5
  *requisition = widget->requisition;
Packit Service fb6fa5
  
Packit Service fb6fa5
  if (aux_info)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      if (aux_info->width > 0)
Packit Service fb6fa5
	requisition->width = aux_info->width;
Packit Service fb6fa5
      if (aux_info && aux_info->height > 0)
Packit Service fb6fa5
	requisition->height = aux_info->height;
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * _gtk_size_group_get_child_requisition:
Packit Service fb6fa5
 * @widget: a #GtkWidget
Packit Service fb6fa5
 * @requisition: location to store computed requisition.
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Retrieve the "child requisition" of the widget, taking account grouping
Packit Service fb6fa5
 * of the widget's requisition with other widgets.
Packit Service fb6fa5
 **/
Packit Service fb6fa5
void
Packit Service fb6fa5
_gtk_size_group_get_child_requisition (GtkWidget      *widget,
Packit Service fb6fa5
				       GtkRequisition *requisition)
Packit Service fb6fa5
{
Packit Service fb6fa5
  initialize_size_group_quarks ();
Packit Service fb6fa5
Packit Service fb6fa5
  if (requisition)
Packit Service fb6fa5
    {
Packit Service fb6fa5
      if (get_size_groups (widget))
Packit Service fb6fa5
	{
Packit Service fb6fa5
	  requisition->width = get_dimension (widget, GTK_SIZE_GROUP_HORIZONTAL);
Packit Service fb6fa5
	  requisition->height = get_dimension (widget, GTK_SIZE_GROUP_VERTICAL);
Packit Service fb6fa5
Packit Service fb6fa5
	  /* Only do the full computation if we actually have size groups */
Packit Service fb6fa5
	}
Packit Service fb6fa5
      else
Packit Service fb6fa5
	get_fast_child_requisition (widget, requisition);
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * _gtk_size_group_compute_requisition:
Packit Service fb6fa5
 * @widget: a #GtkWidget
Packit Service fb6fa5
 * @requisition: location to store computed requisition.
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Compute the requisition of a widget taking into account grouping of
Packit Service fb6fa5
 * the widget's requisition with other widgets.
Packit Service fb6fa5
 **/
Packit Service fb6fa5
void
Packit Service fb6fa5
_gtk_size_group_compute_requisition (GtkWidget      *widget,
Packit Service fb6fa5
				     GtkRequisition *requisition)
Packit Service fb6fa5
{
Packit Service fb6fa5
  gint width;
Packit Service fb6fa5
  gint height;
Packit Service fb6fa5
Packit Service fb6fa5
  initialize_size_group_quarks ();
Packit Service fb6fa5
Packit Service fb6fa5
  if (get_size_groups (widget))
Packit Service fb6fa5
    {
Packit Service fb6fa5
      /* Only do the full computation if we actually have size groups */
Packit Service fb6fa5
      
Packit Service fb6fa5
      width = compute_dimension (widget, GTK_SIZE_GROUP_HORIZONTAL);
Packit Service fb6fa5
      height = compute_dimension (widget, GTK_SIZE_GROUP_VERTICAL);
Packit Service fb6fa5
Packit Service fb6fa5
      if (requisition)
Packit Service fb6fa5
	{
Packit Service fb6fa5
	  requisition->width = width;
Packit Service fb6fa5
	  requisition->height = height;
Packit Service fb6fa5
	}
Packit Service fb6fa5
    }
Packit Service fb6fa5
  else
Packit Service fb6fa5
    {
Packit Service fb6fa5
      do_size_request (widget);
Packit Service fb6fa5
      
Packit Service fb6fa5
      if (requisition)
Packit Service fb6fa5
	get_fast_child_requisition (widget, requisition);
Packit Service fb6fa5
    }
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
/**
Packit Service fb6fa5
 * _gtk_size_group_queue_resize:
Packit Service fb6fa5
 * @widget: a #GtkWidget
Packit Service fb6fa5
 * 
Packit Service fb6fa5
 * Queue a resize on a widget, and on all other widgets grouped with this widget.
Packit Service fb6fa5
 **/
Packit Service fb6fa5
void
Packit Service fb6fa5
_gtk_size_group_queue_resize (GtkWidget *widget)
Packit Service fb6fa5
{
Packit Service fb6fa5
  initialize_size_group_quarks ();
Packit Service fb6fa5
Packit Service fb6fa5
  queue_resize_on_widget (widget, TRUE);
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
typedef struct {
Packit Service fb6fa5
  GObject *object;
Packit Service fb6fa5
  GSList *items;
Packit Service fb6fa5
} GSListSubParserData;
Packit Service fb6fa5
Packit Service fb6fa5
static void
Packit Service fb6fa5
size_group_start_element (GMarkupParseContext *context,
Packit Service fb6fa5
			  const gchar         *element_name,
Packit Service fb6fa5
			  const gchar        **names,
Packit Service fb6fa5
			  const gchar        **values,
Packit Service fb6fa5
			  gpointer            user_data,
Packit Service fb6fa5
			  GError            **error)
Packit Service fb6fa5
{
Packit Service fb6fa5
  guint i;
Packit Service fb6fa5
  GSListSubParserData *data = (GSListSubParserData*)user_data;
Packit Service fb6fa5
Packit Service fb6fa5
  if (strcmp (element_name, "widget") == 0)
Packit Service fb6fa5
    for (i = 0; names[i]; i++)
Packit Service fb6fa5
      if (strcmp (names[i], "name") == 0)
Packit Service fb6fa5
	data->items = g_slist_prepend (data->items, g_strdup (values[i]));
Packit Service fb6fa5
  else if (strcmp (element_name, "widgets") == 0)
Packit Service fb6fa5
    return;
Packit Service fb6fa5
  else
Packit Service fb6fa5
    g_warning ("Unsupported type tag for GtkSizeGroup: %s\n",
Packit Service fb6fa5
	       element_name);
Packit Service fb6fa5
Packit Service fb6fa5
}
Packit Service fb6fa5
Packit Service fb6fa5
static const GMarkupParser size_group_parser =
Packit Service fb6fa5
  {
Packit Service fb6fa5
    size_group_start_element
Packit Service fb6fa5
  };
Packit Service fb6fa5
Packit Service fb6fa5
static gboolean
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gtk_size_group_buildable_custom_tag_start (GtkBuildable  *buildable,
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					   GtkBuilder    *builder,
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					   GObject       *child,
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					   const gchar   *tagname,
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					   GMarkupParser *parser,
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					   gpointer      *data)
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{
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  GSListSubParserData *parser_data;
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  if (child)
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    return FALSE;
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  if (strcmp (tagname, "widgets") == 0)
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    {
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      parser_data = g_slice_new0 (GSListSubParserData);
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      parser_data->items = NULL;
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      parser_data->object = G_OBJECT (buildable);
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      *parser = size_group_parser;
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      *data = parser_data;
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      return TRUE;
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    }
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  return FALSE;
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}
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static void
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gtk_size_group_buildable_custom_finished (GtkBuildable  *buildable,
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					  GtkBuilder    *builder,
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					  GObject       *child,
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					  const gchar   *tagname,
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					  gpointer       user_data)
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{
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  GSList *l;
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  GSListSubParserData *data;
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  GObject *object;
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  if (strcmp (tagname, "widgets"))
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    return;
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  data = (GSListSubParserData*)user_data;
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  data->items = g_slist_reverse (data->items);
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  for (l = data->items; l; l = l->next)
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    {
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      object = gtk_builder_get_object (builder, l->data);
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      if (!object)
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	{
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	  g_warning ("Unknown object %s specified in sizegroup %s",
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		     (const gchar*)l->data,
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		     gtk_buildable_get_name (GTK_BUILDABLE (data->object)));
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	  continue;
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	}
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      gtk_size_group_add_widget (GTK_SIZE_GROUP (data->object),
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				 GTK_WIDGET (object));
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      g_free (l->data);
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    }
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  g_slist_free (data->items);
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  g_slice_free (GSListSubParserData, data);
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}
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#define __GTK_SIZE_GROUP_C__
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#include "gtkaliasdef.c"