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/* gtkcellrenderer.c
* Copyright (C) 2000 Red Hat, Inc. Jonathan Blandford
*
* 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 "gtkcellrenderer.h"
#include "gtkintl.h"
static void gtk_cell_renderer_init (GtkCellRenderer *cell);
static void gtk_cell_renderer_class_init (GtkCellRendererClass *class);
static void gtk_cell_renderer_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec,
const gchar *trailer);
static void gtk_cell_renderer_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec,
const gchar *trailer);
enum {
PROP_ZERO,
PROP_XALIGN,
PROP_YALIGN,
PROP_XPAD,
PROP_YPAD
};
GtkType
gtk_cell_renderer_get_type (void)
{
static GtkType cell_type = 0;
if (!cell_type)
{
static const GTypeInfo cell_info =
{
sizeof (GtkCellRendererClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_cell_renderer_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkCellRenderer),
0,
(GInstanceInitFunc) gtk_cell_renderer_init,
};
cell_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkCellRenderer", &cell_info, 0);
}
return cell_type;
}
static void
gtk_cell_renderer_init (GtkCellRenderer *cell)
{
cell->xpad = 0;
cell->ypad = 0;
cell->xalign = 0.5;
cell->yalign = 0.5;
}
static void
gtk_cell_renderer_class_init (GtkCellRendererClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = gtk_cell_renderer_get_property;
object_class->set_property = gtk_cell_renderer_set_property;
class->render = NULL;
class->get_size = NULL;
g_object_class_install_property (object_class,
PROP_XALIGN,
g_param_spec_float ("xalign",
_("xalign"),
_("The x-align."),
0.0,
1.0,
0.0,
G_PARAM_READABLE |
G_PARAM_WRITABLE));
g_object_class_install_property (object_class,
PROP_YALIGN,
g_param_spec_float ("yalign",
_("yalign"),
_("The y-align."),
0.0,
1.0,
0.5,
G_PARAM_READABLE |
G_PARAM_WRITABLE));
g_object_class_install_property (object_class,
PROP_XPAD,
g_param_spec_uint ("xpad",
_("xpad"),
_("The xpad."),
0,
100,
2,
G_PARAM_READABLE |
G_PARAM_WRITABLE));
g_object_class_install_property (object_class,
PROP_YPAD,
g_param_spec_uint ("ypad",
_("ypad"),
_("The ypad."),
0,
100,
2,
G_PARAM_READABLE |
G_PARAM_WRITABLE));
}
static void
gtk_cell_renderer_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec,
const gchar *trailer)
{
GtkCellRenderer *cell = GTK_CELL_RENDERER (object);
switch (param_id)
{
case PROP_XALIGN:
g_value_set_float (value, cell->xalign);
break;
case PROP_YALIGN:
g_value_set_float (value, cell->yalign);
break;
case PROP_XPAD:
g_value_set_float (value, cell->xpad);
break;
case PROP_YPAD:
g_value_set_float (value, cell->ypad);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gtk_cell_renderer_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec,
const gchar *trailer)
{
GtkCellRenderer *cell = GTK_CELL_RENDERER (object);
switch (param_id)
{
case PROP_XALIGN:
cell->xalign = g_value_get_float (value);
break;
case PROP_YALIGN:
cell->yalign = g_value_get_float (value);
break;
case PROP_XPAD:
cell->xpad = g_value_get_int (value);
break;
case PROP_YPAD:
cell->ypad = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
void
gtk_cell_renderer_get_size (GtkCellRenderer *cell,
GtkWidget *widget,
gint *width,
gint *height)
{
/* It's actually okay to pass in a NULL cell, as we run into that
* a lot
*/
if (cell == NULL)
return;
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
g_return_if_fail (GTK_CELL_RENDERER_GET_CLASS (cell)->get_size != NULL);
GTK_CELL_RENDERER_GET_CLASS (cell)->get_size (cell, widget, width, height);
}
void
gtk_cell_renderer_render (GtkCellRenderer *cell,
GdkWindow *window,
GtkWidget *widget,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GdkRectangle *expose_area,
GtkCellRendererState flags)
{
/* It's actually okay to pass in a NULL cell, as we run into that
* a lot
*/
if (cell == NULL)
return;
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
g_return_if_fail (GTK_CELL_RENDERER_GET_CLASS (cell)->render != NULL);
GTK_CELL_RENDERER_GET_CLASS (cell)->render (cell,
window,
widget,
background_area,
cell_area,
expose_area,
flags);
}
gint
gtk_cell_renderer_event (GtkCellRenderer *cell,
GdkEvent *event,
GtkWidget *widget,
gchar *path,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GtkCellRendererState flags)
{
/* It's actually okay to pass in a NULL cell, as we run into that
* a lot
*/
if (cell == NULL)
return FALSE;
g_return_val_if_fail (GTK_IS_CELL_RENDERER (cell), FALSE);
if (GTK_CELL_RENDERER_GET_CLASS (cell)->event == NULL)
return FALSE;
return GTK_CELL_RENDERER_GET_CLASS (cell)->event (cell,
event,
widget,
path,
background_area,
cell_area,
flags);
}
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