 d97cdbdf53
			
		
	
	d97cdbdf53
	
	
	
		
			
			2008-06-21 Johan Dahlin <jdahlin@async.com.br> * *.[ch]: Include "config.h" instead of <config.h> Command used: find -name \*.[ch]|xargs perl -p -i -e 's/^#include <config.h>/#include "config.h"/g' Rubberstamped by Mitch and Tim svn path=/trunk/; revision=20669
		
			
				
	
	
		
			446 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			446 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* gtkcelllayout.c
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|  * Copyright (C) 2003  Kristian Rietveld  <kris@gtk.org>
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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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| 
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| #include "config.h"
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| #include <string.h>
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| #include <stdlib.h>
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| #include <errno.h>
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| #include "gtkcelllayout.h"
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| #include "gtkintl.h"
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| #include "gtkalias.h"
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| 
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| GType
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| gtk_cell_layout_get_type (void)
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| {
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|   static GType cell_layout_type = 0;
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| 
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|   if (! cell_layout_type)
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|     {
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|       const GTypeInfo cell_layout_info =
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|       {
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|         sizeof (GtkCellLayoutIface),
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|         NULL,
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|         NULL,
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|         NULL,
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|         NULL,
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|         NULL,
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|         0,
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|         0,
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|         NULL
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|       };
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| 
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|       cell_layout_type =
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|         g_type_register_static (G_TYPE_INTERFACE, I_("GtkCellLayout"),
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|                                 &cell_layout_info, 0);
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| 
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|       g_type_interface_add_prerequisite (cell_layout_type, G_TYPE_OBJECT);
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|     }
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| 
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|   return cell_layout_type;
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| }
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| 
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| /**
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|  * gtk_cell_layout_pack_start:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer.
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|  * @expand: %TRUE if @cell is to be given extra space allocated to @cell_layout.
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|  *
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|  * Packs the @cell into the beginning of @cell_layout. If @expand is %FALSE,
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|  * then the @cell is allocated no more space than it needs. Any unused space
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|  * is divided evenly between cells for which @expand is %TRUE.
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|  *
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|  * Note that reusing the same cell renderer is not supported. 
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_pack_start (GtkCellLayout   *cell_layout,
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|                             GtkCellRenderer *cell,
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|                             gboolean         expand)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->pack_start) (cell_layout,
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|                                                            cell,
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|                                                            expand);
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| }
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| 
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| /**
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|  * gtk_cell_layout_pack_end:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer.
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|  * @expand: %TRUE if @cell is to be given extra space allocated to @cell_layout.
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|  *
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|  * Adds the @cell to the end of @cell_layout. If @expand is %FALSE, then the
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|  * @cell is allocated no more space than it needs. Any unused space is
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|  * divided evenly between cells for which @expand is %TRUE.
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|  *
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|  * Note that reusing the same cell renderer is not supported. 
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_pack_end (GtkCellLayout   *cell_layout,
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|                           GtkCellRenderer *cell,
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|                           gboolean         expand)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->pack_end) (cell_layout,
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|                                                          cell,
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|                                                          expand);
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| }
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| 
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| /**
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|  * gtk_cell_layout_clear:
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|  * @cell_layout: A #GtkCellLayout.
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|  *
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|  * Unsets all the mappings on all renderers on @cell_layout and
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|  * removes all renderers from @cell_layout.
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_clear (GtkCellLayout *cell_layout)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->clear) (cell_layout);
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| }
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| 
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| static void
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| gtk_cell_layout_set_attributesv (GtkCellLayout   *cell_layout,
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|                                  GtkCellRenderer *cell,
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|                                  va_list          args)
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| {
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|   gchar *attribute;
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|   gint column;
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|   GtkCellLayoutIface *iface;
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| 
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|   attribute = va_arg (args, gchar *);
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| 
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|   iface = GTK_CELL_LAYOUT_GET_IFACE (cell_layout);
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| 
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|   (* iface->clear_attributes) (cell_layout, cell);
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| 
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|   while (attribute != NULL)
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|     {
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|       column = va_arg (args, gint);
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|       (* iface->add_attribute) (cell_layout, cell, attribute, column);
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|       attribute = va_arg (args, gchar *);
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|     }
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| }
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| 
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| /**
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|  * gtk_cell_layout_set_attributes:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer.
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|  * @Varargs: A %NULL-terminated list of attributes.
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|  *
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|  * Sets the attributes in list as the attributes of @cell_layout. The
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|  * attributes should be in attribute/column order, as in
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|  * gtk_cell_layout_add_attribute(). All existing attributes are removed, and
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|  * replaced with the new attributes.
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_set_attributes (GtkCellLayout   *cell_layout,
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|                                 GtkCellRenderer *cell,
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|                                 ...)
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| {
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|   va_list args;
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| 
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   va_start (args, cell);
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|   gtk_cell_layout_set_attributesv (cell_layout, cell, args);
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|   va_end (args);
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| }
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| 
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| /**
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|  * gtk_cell_layout_add_attribute:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer.
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|  * @attribute: An attribute on the renderer.
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|  * @column: The column position on the model to get the attribute from.
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|  *
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|  * Adds an attribute mapping to the list in @cell_layout. The @column is the
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|  * column of the model to get a value from, and the @attribute is the
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|  * parameter on @cell to be set from the value. So for example if column 2
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|  * of the model contains strings, you could have the "text" attribute of a
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|  * #GtkCellRendererText get its values from column 2.
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_add_attribute (GtkCellLayout   *cell_layout,
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|                                GtkCellRenderer *cell,
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|                                const gchar     *attribute,
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|                                gint             column)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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|   g_return_if_fail (attribute != NULL);
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|   g_return_if_fail (column >= 0);
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->add_attribute) (cell_layout,
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|                                                               cell,
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|                                                               attribute,
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|                                                               column);
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| }
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| 
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| /**
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|  * gtk_cell_layout_set_cell_data_func:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer.
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|  * @func: The #GtkCellLayoutDataFunc to use.
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|  * @func_data: The user data for @func.
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|  * @destroy: The destroy notification for @func_data.
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|  *
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|  * Sets the #GtkCellLayoutDataFunc to use for @cell_layout. This function
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|  * is used instead of the standard attributes mapping for setting the
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|  * column value, and should set the value of @cell_layout's cell renderer(s)
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|  * as appropriate. @func may be %NULL to remove and older one.
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_set_cell_data_func (GtkCellLayout         *cell_layout,
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|                                     GtkCellRenderer       *cell,
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|                                     GtkCellLayoutDataFunc  func,
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|                                     gpointer               func_data,
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|                                     GDestroyNotify         destroy)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->set_cell_data_func) (cell_layout,
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|                                                                    cell,
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|                                                                    func,
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|                                                                    func_data,
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|                                                                    destroy);
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| }
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| 
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| /**
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|  * gtk_cell_layout_clear_attributes:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer to clear the attribute mapping on.
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|  *
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|  * Clears all existing attributes previously set with
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|  * gtk_cell_layout_set_attributes().
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_clear_attributes (GtkCellLayout   *cell_layout,
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|                                   GtkCellRenderer *cell)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->clear_attributes) (cell_layout,
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|                                                                  cell);
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| }
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| 
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| /**
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|  * gtk_cell_layout_reorder:
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|  * @cell_layout: A #GtkCellLayout.
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|  * @cell: A #GtkCellRenderer to reorder.
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|  * @position: New position to insert @cell at.
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|  *
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|  * Re-inserts @cell at @position. Note that @cell has already to be packed
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|  * into @cell_layout for this to function properly.
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|  *
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|  * Since: 2.4
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|  */
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| void
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| gtk_cell_layout_reorder (GtkCellLayout   *cell_layout,
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|                          GtkCellRenderer *cell,
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|                          gint             position)
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| {
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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| 
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|   (* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->reorder) (cell_layout,
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|                                                         cell,
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|                                                         position);
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| }
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| 
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| /**
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|  * gtk_cell_layout_get_cells:
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|  * @cell_layout: a #GtkCellLayout
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|  * 
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|  * Returns the cell renderers which have been added to @cell_layout.
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|  *
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|  * Return value: a list of cell renderers. The list, but not the
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|  *   renderers has been newly allocated and should be freed with
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|  *   g_list_free() when no longer needed.
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|  * 
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|  * Since: 2.12
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|  */
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| GList *
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| gtk_cell_layout_get_cells (GtkCellLayout *cell_layout)
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| {
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|   GtkCellLayoutIface *iface;
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| 
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|   g_return_val_if_fail (GTK_IS_CELL_LAYOUT (cell_layout), NULL);
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| 
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|   iface = GTK_CELL_LAYOUT_GET_IFACE (cell_layout);  
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|   if (iface->get_cells)
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|     return iface->get_cells (cell_layout);
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| 
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|   return NULL;
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| }
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| 
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| typedef struct {
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|   GtkCellLayout   *cell_layout;
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|   GtkCellRenderer *renderer;
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|   gchar           *attr_name;
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| } AttributesSubParserData;
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| 
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| static void
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| attributes_start_element (GMarkupParseContext *context,
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| 			  const gchar         *element_name,
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| 			  const gchar        **names,
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| 			  const gchar        **values,
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| 			  gpointer             user_data,
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| 			  GError             **error)
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| {
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|   AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
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|   guint i;
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| 
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|   if (strcmp (element_name, "attribute") == 0)
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|     for (i = 0; names[i]; i++)
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|       if (strcmp (names[i], "name") == 0)
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| 	parser_data->attr_name = g_strdup (values[i]);
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|   else if (strcmp (element_name, "attributes") == 0)
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|     return;
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|   else
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|     g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
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| }
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| 
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| static void
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| attributes_text_element (GMarkupParseContext *context,
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| 			 const gchar         *text,
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| 			 gsize                text_len,
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| 			 gpointer             user_data,
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| 			 GError             **error)
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| {
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|   AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
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|   glong l;
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|   gchar *endptr;
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|   gchar *string;
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|   
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|   if (!parser_data->attr_name)
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|     return;
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| 
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|   errno = 0;
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|   string = g_strndup (text, text_len);
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|   l = strtol (string, &endptr, 0);
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|   if (errno || endptr == string)
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|     {
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|       g_set_error (error, 
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|                    GTK_BUILDER_ERROR,
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|                    GTK_BUILDER_ERROR_INVALID_VALUE,
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|                    "Could not parse integer `%s'",
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|                    string);
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|       g_free (string);
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|       return;
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|     }
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|   g_free (string);
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| 
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|   gtk_cell_layout_add_attribute (parser_data->cell_layout,
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| 				 parser_data->renderer,
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| 				 parser_data->attr_name, l);
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|   g_free (parser_data->attr_name);
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|   parser_data->attr_name = NULL;
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| }
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| 
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| static const GMarkupParser attributes_parser =
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|   {
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|     attributes_start_element,
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|     NULL,
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|     attributes_text_element,
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|   };
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| 
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| gboolean
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| _gtk_cell_layout_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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|   AttributesSubParserData *parser_data;
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| 
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|   if (!child)
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|     return FALSE;
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| 
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|   if (strcmp (tagname, "attributes") == 0)
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|     {
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|       parser_data = g_slice_new0 (AttributesSubParserData);
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|       parser_data->cell_layout = GTK_CELL_LAYOUT (buildable);
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|       parser_data->renderer = GTK_CELL_RENDERER (child);
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|       parser_data->attr_name = NULL;
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| 
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|       *parser = attributes_parser;
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|       *data = parser_data;
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|       return TRUE;
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|     }
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| 
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|   return FALSE;
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| }
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| 
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| void
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| _gtk_cell_layout_buildable_custom_tag_end (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     *data)
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| {
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|   AttributesSubParserData *parser_data;
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| 
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|   parser_data = (AttributesSubParserData*)data;
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|   g_assert (!parser_data->attr_name);
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|   g_slice_free (AttributesSubParserData, parser_data);
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| }
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| 
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| void
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| _gtk_cell_layout_buildable_add_child (GtkBuildable      *buildable,
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| 				      GtkBuilder        *builder,
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| 				      GObject           *child,
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| 				      const gchar       *type)
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| {
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|   GtkCellLayoutIface *iface;
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|   
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|   g_return_if_fail (GTK_IS_CELL_LAYOUT (buildable));
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|   g_return_if_fail (GTK_IS_CELL_RENDERER (child));
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| 
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|   iface = GTK_CELL_LAYOUT_GET_IFACE (buildable);
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|   g_return_if_fail (iface->pack_start != NULL);
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|   iface->pack_start (GTK_CELL_LAYOUT (buildable), GTK_CELL_RENDERER (child), FALSE);
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| }
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| 
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| #define __GTK_CELL_LAYOUT_C__
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| #include "gtkaliasdef.c"
 |