forked from AuroraMiddleware/gtk
21fd434c5f
Thu Mar 22 19:27:34 2001 Jonathan Blandford <jrb@redhat.com> * gtk/gtkcellrenderertoggle.c (gtk_cell_renderer_toggle_render): fix braino. * gtk/gtktreesortable.[ch]: New interface to add cleanup sortable support. * gtk/gtktreeview.c: Addition of initial sortable support. * gtk/gtktreestore.c: Addition of initial sortable support. * gtk/gtkliststore.c: Addition of initial sortable support. * gtk/gtkmarshal.list: yet another marshaller. * gtk/gtktreedatallist.[ch]: shared code between the store models for handling sorting headers.
359 lines
9.4 KiB
C
359 lines
9.4 KiB
C
/* gtktreedatalist.c
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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* This file contains code shared between GtkTreeStore and GtkListStore. Please
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* do not use it.
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*/
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#include "gtktreedatalist.h"
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#include <string.h>
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static GMemChunk *tree_chunk = NULL;
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#define TREE_CHUNK_PREALLOCS 64
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/* node allocation
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*/
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GtkTreeDataList *
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_gtk_tree_data_list_alloc (void)
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{
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GtkTreeDataList *list;
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if (tree_chunk == NULL)
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tree_chunk = g_mem_chunk_new ("treedatalist mem chunk",
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sizeof (GtkTreeDataList),
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sizeof (GtkTreeDataList) * TREE_CHUNK_PREALLOCS,
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G_ALLOC_AND_FREE);
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list = g_chunk_new (GtkTreeDataList, tree_chunk);
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return list;
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}
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void
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_gtk_tree_data_list_free (GtkTreeDataList *list,
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GType *column_headers)
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{
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GtkTreeDataList *tmp, *next;
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gint i = 0;
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tmp = list;
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while (tmp)
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{
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next = tmp->next;
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if (g_type_is_a (column_headers [i], G_TYPE_STRING))
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g_free ((gchar *) tmp->data.v_pointer);
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else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT))
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g_object_unref (G_OBJECT (tmp->data.v_pointer));
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else if (g_type_is_a (column_headers [i], G_TYPE_BOXED))
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g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
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g_mem_chunk_free (tree_chunk, tmp);
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i++;
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tmp = next;
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}
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}
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gboolean
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_gtk_tree_data_list_check_type (GType type)
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{
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gint i = 0;
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static GType type_list[] =
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{
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G_TYPE_BOOLEAN,
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G_TYPE_CHAR,
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G_TYPE_UCHAR,
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G_TYPE_INT,
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G_TYPE_UINT,
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G_TYPE_ENUM,
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G_TYPE_FLAGS,
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G_TYPE_FLOAT,
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G_TYPE_DOUBLE,
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G_TYPE_STRING,
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G_TYPE_POINTER,
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G_TYPE_BOXED,
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G_TYPE_OBJECT,
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G_TYPE_INVALID
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};
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if (! G_TYPE_IS_VALUE_TYPE (type))
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return FALSE;
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while (type_list[i] != G_TYPE_INVALID)
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{
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if (g_type_is_a (type, type_list[i]))
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return TRUE;
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i++;
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}
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return FALSE;
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}
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void
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_gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
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GType type,
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GValue *value)
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{
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g_value_init (value, type);
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switch (G_TYPE_FUNDAMENTAL (type))
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{
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case G_TYPE_BOOLEAN:
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g_value_set_boolean (value, (gboolean) list->data.v_int);
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break;
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case G_TYPE_CHAR:
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g_value_set_char (value, (gchar) list->data.v_char);
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break;
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case G_TYPE_UCHAR:
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g_value_set_uchar (value, (guchar) list->data.v_uchar);
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break;
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case G_TYPE_INT:
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g_value_set_int (value, (gint) list->data.v_int);
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break;
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case G_TYPE_UINT:
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g_value_set_uint (value, (guint) list->data.v_uint);
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break;
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case G_TYPE_ENUM:
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g_value_set_enum (value, list->data.v_int);
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break;
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case G_TYPE_FLAGS:
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g_value_set_flags (value, (int) list->data.v_int);
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break;
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case G_TYPE_FLOAT:
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g_value_set_float (value, (gfloat) list->data.v_float);
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break;
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case G_TYPE_DOUBLE:
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g_value_set_double (value, (gdouble) list->data.v_double);
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break;
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case G_TYPE_STRING:
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g_value_set_string (value, (gchar *) list->data.v_pointer);
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break;
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case G_TYPE_POINTER:
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g_value_set_pointer (value, (gpointer) list->data.v_pointer);
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break;
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case G_TYPE_BOXED:
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g_value_set_boxed (value, (gpointer) list->data.v_pointer);
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break;
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case G_TYPE_OBJECT:
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g_value_set_object (value, (GObject *) list->data.v_pointer);
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break;
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default:
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g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
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break;
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}
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}
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void
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_gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
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GValue *value)
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{
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switch (G_TYPE_FUNDAMENTAL (G_VALUE_TYPE (value)))
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{
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case G_TYPE_BOOLEAN:
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list->data.v_int = g_value_get_boolean (value);
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break;
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case G_TYPE_CHAR:
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list->data.v_char = g_value_get_char (value);
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break;
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case G_TYPE_UCHAR:
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list->data.v_uchar = g_value_get_uchar (value);
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break;
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case G_TYPE_INT:
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list->data.v_int = g_value_get_int (value);
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break;
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case G_TYPE_ENUM:
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list->data.v_int = g_value_get_enum (value);
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break;
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case G_TYPE_FLAGS:
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list->data.v_int = g_value_get_flags (value);
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break;
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case G_TYPE_UINT:
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list->data.v_uint = g_value_get_uint (value);
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break;
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case G_TYPE_POINTER:
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list->data.v_pointer = g_value_get_pointer (value);
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break;
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case G_TYPE_FLOAT:
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list->data.v_float = g_value_get_float (value);
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break;
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case G_TYPE_DOUBLE:
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list->data.v_double = g_value_get_double (value);
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break;
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case G_TYPE_STRING:
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list->data.v_pointer = g_value_dup_string (value);
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break;
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case G_TYPE_OBJECT:
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list->data.v_pointer = g_value_dup_object (value);
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break;
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case G_TYPE_BOXED:
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list->data.v_pointer = g_value_dup_boxed (value);
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break;
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default:
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g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
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break;
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}
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}
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GtkTreeDataList *
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_gtk_tree_data_list_node_copy (GtkTreeDataList *list,
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GType type)
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{
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GtkTreeDataList *new_list;
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g_return_val_if_fail (list != NULL, NULL);
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new_list = _gtk_tree_data_list_alloc ();
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new_list->next = NULL;
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switch (G_TYPE_FUNDAMENTAL (type))
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{
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case G_TYPE_UINT:
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case G_TYPE_INT:
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case G_TYPE_UCHAR:
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case G_TYPE_CHAR:
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case G_TYPE_BOOLEAN:
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case G_TYPE_POINTER:
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case G_TYPE_FLOAT:
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case G_TYPE_DOUBLE:
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new_list->data = list->data;
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break;
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case G_TYPE_STRING:
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new_list->data.v_pointer = g_strdup (list->data.v_pointer);
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break;
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case G_TYPE_OBJECT:
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new_list->data.v_pointer = list->data.v_pointer;
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if (new_list->data.v_pointer)
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g_object_ref (G_OBJECT (new_list->data.v_pointer));
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break;
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case G_TYPE_BOXED:
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if (list->data.v_pointer)
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new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
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else
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new_list->data.v_pointer = NULL;
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break;
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default:
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g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
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break;
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}
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return new_list;
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}
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static gint
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gtk_tree_data_list_compare_func (GtkTreeModel *model,
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GtkTreeIter *a,
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GtkTreeIter *b,
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gpointer user_data)
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{
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gint column = GPOINTER_TO_INT (user_data);
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GType type = gtk_tree_model_get_column_type (model, column);
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GValue a_value = {0, };
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GValue b_value = {0, };
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gint retval;
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gtk_tree_model_get_value (model, a, column, &a_value);
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gtk_tree_model_get_value (model, b, column, &b_value);
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switch (G_TYPE_FUNDAMENTAL (type))
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{
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case G_TYPE_BOOLEAN:
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retval = (g_value_get_int (&a_value) < g_value_get_int (&b_value));
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break;
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case G_TYPE_CHAR:
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retval = (g_value_get_char (&a_value) < g_value_get_char (&b_value));
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break;
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case G_TYPE_UCHAR:
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retval = (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value));
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break;
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case G_TYPE_INT:
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retval = (g_value_get_int (&a_value) < g_value_get_int (&b_value));
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break;
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case G_TYPE_UINT:
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retval = (g_value_get_uint (&a_value) < g_value_get_uint (&b_value));
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break;
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case G_TYPE_ENUM:
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/* this is somewhat bogus. */
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retval = (g_value_get_int (&a_value) < g_value_get_int (&b_value));
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break;
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case G_TYPE_FLAGS:
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retval = (g_value_get_uint (&a_value) < g_value_get_uint (&b_value));
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break;
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case G_TYPE_FLOAT:
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retval = (g_value_get_float (&a_value) < g_value_get_float (&b_value));
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break;
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case G_TYPE_DOUBLE:
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retval = (g_value_get_double (&a_value) < g_value_get_double (&b_value));
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break;
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case G_TYPE_STRING:
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retval = strcmp (g_value_get_string (&a_value), g_value_get_string (&b_value));
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break;
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case G_TYPE_POINTER:
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case G_TYPE_BOXED:
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case G_TYPE_OBJECT:
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default:
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g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
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retval = FALSE;
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break;
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}
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g_value_unset (&a_value);
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g_value_unset (&b_value);
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return retval;
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}
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GList *
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_gtk_tree_data_list_header_new (gint n_columns,
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GType *types)
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{
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GList *retval = NULL;
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gint i;
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for (i = 0; i < n_columns; i ++)
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{
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GtkTreeDataSortHeader *header;
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header = g_new (GtkTreeDataSortHeader, 1);
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retval = g_list_prepend (retval, header);
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header->sort_column_id = i;
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header->func = gtk_tree_data_list_compare_func;
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header->destroy = NULL;
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header->data = GINT_TO_POINTER (i);
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}
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return g_list_reverse (retval);
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}
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void
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_gtk_tree_data_list_header_free (GList *list)
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{
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GList *tmp;
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for (tmp = list; tmp; tmp = tmp->next)
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{
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GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
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if (header->destroy)
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(* header->destroy) (header->data);
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g_free (header);
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}
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g_list_free (list);
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}
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