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/* gtkcelllayout.c
* Copyright (C) 2003 Kristian Rietveld <kris@gtk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gtkcelllayout.h"
GType
gtk_cell_layout_get_type (void)
{
static GType cell_layout_type = 0;
if (! cell_layout_type)
{
static const GTypeInfo cell_layout_info =
{
sizeof (GtkCellLayoutIface),
NULL,
NULL,
NULL,
NULL,
NULL,
0,
0,
NULL
};
cell_layout_type =
g_type_register_static (G_TYPE_INTERFACE, "GtkCellLayout",
&cell_layout_info, 0);
g_type_interface_add_prerequisite (cell_layout_type, G_TYPE_OBJECT);
}
return cell_layout_type;
}
/**
* gtk_cell_layout_pack_start:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer.
* @expand: %TRUE if @cell is to be given extra space allocated to @cell_layout.
*
* Packs the @cell into the beginning of @cell_layout. If @expand is %FALSE,
* then the @cell is allocated no more space than it needs. Any unused space
* is divided evenly between cells for which @expand is %TRUE.
*
* Since: 2.4
*/
void
gtk_cell_layout_pack_start (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->pack_start) (cell_layout,
cell,
expand);
}
/**
* gtk_cell_layout_pack_end:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer.
* @expand: %TRUE if @cell is to be given extra space allocated to @cell_layout.
*
* Adds the @cell to the end of @cell_layout. If @expand is %FALSE, then the
* @cell is allocated no more space than it needs. Any unused space is
* divided evenly between cells for which @expand is %TRUE.
*
* Since: 2.4
*/
void
gtk_cell_layout_pack_end (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->pack_end) (cell_layout,
cell,
expand);
}
/**
* gtk_cell_layout_clear:
* @cell_layout: A #GtkCellLayout.
*
* Unsets all the mappings on all renderers on @cell_layout.
*
* Since: 2.4
*/
void
gtk_cell_layout_clear (GtkCellLayout *cell_layout)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->clear) (cell_layout);
}
static void
gtk_cell_layout_set_attributesv (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
va_list args)
{
gchar *attribute;
gint column;
GtkCellLayoutIface *iface;
attribute = va_arg (args, gchar *);
iface = GTK_CELL_LAYOUT_GET_IFACE (cell_layout);
(* iface->clear_attributes) (cell_layout, cell);
while (attribute != NULL)
{
column = va_arg (args, gint);
(* iface->add_attribute) (cell_layout, cell, attribute, column);
attribute = va_arg (args, gchar *);
}
}
/**
* gtk_cell_layout_set_attributes:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer.
* @Varargs: A %NULL-terminated list of attributes.
*
* Sets the attributes in list as the attributes of @cell_layout. The
* attributes should be in attribute/column order, as in
* gtk_cell_layout_add_attribute(). All existing attributes are removed, and
* replaced with the new attributes.
*
* Since: 2.4
*/
void
gtk_cell_layout_set_attributes (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
...)
{
va_list args;
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
va_start (args, cell);
gtk_cell_layout_set_attributesv (cell_layout, cell, args);
va_end (args);
}
/**
* gtk_cell_layout_add_attribute:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer.
* @attribute: An attribute on the renderer.
* @column: The column position on the model to get the attribute from.
*
* Adds an attribute mapping to the list in @cell_layout. The @column is the
* column of the model to get a value from, and the @attribute is the
* parameter on @cell to be set from the value. So for example if column 2
* of the model contains strings, you could have the "text" attribute of a
* #GtkCellRendererText get its values from column 2.
*
* Since: 2.4
*/
void
gtk_cell_layout_add_attribute (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
const gchar *attribute,
gint column)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
g_return_if_fail (attribute != NULL);
g_return_if_fail (column >= 0);
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->add_attribute) (cell_layout,
cell,
attribute,
column);
}
/**
* gtk_cell_layout_set_cell_data_func:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer.
* @func: The #GtkCellLayoutDataFunc to use.
* @func_data: The user data for @func.
* @destroy: The destroy notification for @func_data.
*
* Sets the #GtkCellLayoutDataFunc to use for @cell_layout. This function
* is used instead of the standard attributes mapping for setting the
* column value, and should set the value of @cell_layout's cell renderer(s)
* as appropriate. @func may be %NULL to remove and older one.
*
* Since: 2.4
*/
void
gtk_cell_layout_set_cell_data_func (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkCellLayoutDataFunc func,
gpointer func_data,
GDestroyNotify destroy)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->set_cell_data_func) (cell_layout,
cell,
func,
func_data,
destroy);
}
/**
* gtk_cell_layout_clear_attributes:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer to clear the attribute mapping on.
*
* Clears all existing attributes previously set with
* gtk_cell_layout_set_attributes().
*
* Since: 2.4
*/
void
gtk_cell_layout_clear_attributes (GtkCellLayout *cell_layout,
GtkCellRenderer *cell)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->clear_attributes) (cell_layout,
cell);
}
/**
* gtk_cell_layout_reorder:
* @cell_layout: A #GtkCellLayout.
* @cell: A #GtkCellRenderer to reorder.
* @position: New position to insert @cell at.
*
* Re-inserts @cell at @position. Note that @cell has already to be packed
* into @cell_layout for this to function properly.
*
* Since: 2.4
*/
void
gtk_cell_layout_reorder (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gint position)
{
g_return_if_fail (GTK_IS_CELL_LAYOUT (cell_layout));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
(* GTK_CELL_LAYOUT_GET_IFACE (cell_layout)->reorder) (cell_layout,
cell,
position);
}
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