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/*
* 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-styled-text-renderer.h"
typedef struct _GdStyledTextRendererPrivate GdStyledTextRendererPrivate;
struct _GdStyledTextRendererPrivate {
GList *style_classes;
};
G_DEFINE_TYPE_WITH_PRIVATE (GdStyledTextRenderer, gd_styled_text_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
static void
gd_styled_text_renderer_render (GtkCellRenderer *cell,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
GdStyledTextRenderer *self = GD_STYLED_TEXT_RENDERER (cell);
GdStyledTextRendererPrivate *priv;
GtkStyleContext *context;
const gchar *style_class;
GList *l;
priv = gd_styled_text_renderer_get_instance_private (self);
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
for (l = priv->style_classes; l != NULL; l = l->next)
{
style_class = l->data;
gtk_style_context_add_class (context, style_class);
}
GTK_CELL_RENDERER_CLASS (gd_styled_text_renderer_parent_class)->render
(cell, cr, widget,
background_area, cell_area, flags);
gtk_style_context_restore (context);
}
static void
gd_styled_text_renderer_finalize (GObject *obj)
{
GdStyledTextRenderer *self = GD_STYLED_TEXT_RENDERER (obj);
GdStyledTextRendererPrivate *priv;
priv = gd_styled_text_renderer_get_instance_private (self);
if (priv->style_classes != NULL)
{
g_list_free_full (priv->style_classes, g_free);
priv->style_classes = NULL;
}
G_OBJECT_CLASS (gd_styled_text_renderer_parent_class)->finalize (obj);
}
static void
gd_styled_text_renderer_class_init (GdStyledTextRendererClass *klass)
{
GtkCellRendererClass *crclass = GTK_CELL_RENDERER_CLASS (klass);
GObjectClass *oclass = G_OBJECT_CLASS (klass);
oclass->finalize = gd_styled_text_renderer_finalize;
crclass->render = gd_styled_text_renderer_render;
}
static void
gd_styled_text_renderer_init (GdStyledTextRenderer *self)
{
}
GtkCellRenderer *
gd_styled_text_renderer_new (void)
{
return g_object_new (GD_TYPE_STYLED_TEXT_RENDERER,
NULL);
}
void
gd_styled_text_renderer_add_class (GdStyledTextRenderer *self,
const gchar *class)
{
GdStyledTextRendererPrivate *priv;
priv = gd_styled_text_renderer_get_instance_private (self);
if (g_list_find_custom (priv->style_classes, class, (GCompareFunc) g_strcmp0))
return;
priv->style_classes = g_list_append (priv->style_classes, g_strdup (class));
}
void
gd_styled_text_renderer_remove_class (GdStyledTextRenderer *self,
const gchar *class)
{
GdStyledTextRendererPrivate *priv;
GList *class_element;
priv = gd_styled_text_renderer_get_instance_private (self);
class_element = g_list_find_custom (priv->style_classes, class, (GCompareFunc) g_strcmp0);
if (class_element == NULL)
return;
priv->style_classes = g_list_remove_link (priv->style_classes, class_element);
g_free (class_element->data);
g_list_free_1 (class_element);
}
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