1 files changed, 134 insertions, 0 deletions
diff --git a/subprojects/libgd/libgd/gd-styled-text-renderer.c b/subprojects/libgd/libgd/gd-styled-text-renderer.c
new file mode 100644
index 0000000..bdf72d2
--- /dev/null
+++ b/subprojects/libgd/libgd/gd-styled-text-renderer.c
@@ -0,0 +1,134 @@
+/*
+ * 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);
+}