/*
* Copyright (c) 2011 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include "gd-toggle-pixbuf-renderer.h"
G_DEFINE_TYPE (GdTogglePixbufRenderer, gd_toggle_pixbuf_renderer, GTK_TYPE_CELL_RENDERER_PIXBUF);
enum {
PROP_ACTIVE = 1,
PROP_TOGGLE_VISIBLE,
NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
struct _GdTogglePixbufRendererPrivate {
gboolean active;
gboolean toggle_visible;
};
static void
gd_toggle_pixbuf_renderer_render (GtkCellRenderer *cell,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
gint icon_size = -1;
gint check_x, check_y, x_offset, xpad, ypad;
GtkStyleContext *context;
GdTogglePixbufRenderer *self = GD_TOGGLE_PIXBUF_RENDERER (cell);
GtkTextDirection direction;
GTK_CELL_RENDERER_CLASS (gd_toggle_pixbuf_renderer_parent_class)->render
(cell, cr, widget,
background_area, cell_area, flags);
if (!self->priv->toggle_visible)
return;
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
direction = gtk_widget_get_direction (widget);
gtk_widget_style_get (widget,
"check-icon-size", &icon_size,
NULL);
if (icon_size == -1)
icon_size = 40;
if (direction == GTK_TEXT_DIR_RTL)
x_offset = xpad;
else
x_offset = cell_area->width - icon_size - xpad;
check_x = cell_area->x + x_offset;
check_y = cell_area->y + cell_area->height - icon_size - ypad;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_CHECK);
if (self->priv->active)
gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
gtk_render_check (context, cr,
check_x, check_y,
icon_size, icon_size);
gtk_style_context_restore (context);
}
static void
gd_toggle_pixbuf_renderer_get_size (GtkCellRenderer *cell,
GtkWidget *widget,
const GdkRectangle *cell_area,
gint *x_offset,
gint *y_offset,
gint *width,
gint *height)
{
gint icon_size;
gtk_widget_style_get (widget,
"check-icon-size", &icon_size,
NULL);
GTK_CELL_RENDERER_CLASS (gd_toggle_pixbuf_renderer_parent_class)->get_size
(cell, widget, cell_area,
x_offset, y_offset, width, height);
*width += icon_size / 4;
}
static void
gd_toggle_pixbuf_renderer_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GdTogglePixbufRenderer *self = GD_TOGGLE_PIXBUF_RENDERER (object);
switch (property_id)
{
case PROP_ACTIVE:
g_value_set_boolean (value, self->priv->active);
break;
case PROP_TOGGLE_VISIBLE:
g_value_set_boolean (value, self->priv->toggle_visible);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gd_toggle_pixbuf_renderer_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GdTogglePixbufRenderer *self = GD_TOGGLE_PIXBUF_RENDERER (object);
switch (property_id)
{
case PROP_ACTIVE:
self->priv->active = g_value_get_boolean (value);
break;
case PROP_TOGGLE_VISIBLE:
self->priv->toggle_visible = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gd_toggle_pixbuf_renderer_class_init (GdTogglePixbufRendererClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkCellRendererClass *crclass = GTK_CELL_RENDERER_CLASS (klass);
crclass->render = gd_toggle_pixbuf_renderer_render;
crclass->get_size = gd_toggle_pixbuf_renderer_get_size;
oclass->get_property = gd_toggle_pixbuf_renderer_get_property;
oclass->set_property = gd_toggle_pixbuf_renderer_set_property;
properties[PROP_ACTIVE] =
g_param_spec_boolean ("active",
"Active",
"Whether the cell renderer is active",
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS);
properties[PROP_TOGGLE_VISIBLE] =
g_param_spec_boolean ("toggle-visible",
"Toggle visible",
"Whether to draw the toggle indicator",
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS);
g_type_class_add_private (klass, sizeof (GdTogglePixbufRendererPrivate));
g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
}
static void
gd_toggle_pixbuf_renderer_init (GdTogglePixbufRenderer *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GD_TYPE_TOGGLE_PIXBUF_RENDERER,
GdTogglePixbufRendererPrivate);
}
GtkCellRenderer *
gd_toggle_pixbuf_renderer_new (void)
{
return g_object_new (GD_TYPE_TOGGLE_PIXBUF_RENDERER, NULL);
}
