[nautilus] Add an "highlighted-for-clipboard" property to the item.

[Cosimo Cecchi <cosimoc src gnome org>]

commit 226e7ba044f15cb22e8f9c3966625c496913f3df
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sat May 15 15:32:20 2010 +0200

    Add an "highlighted-for-clipboard" property to the item.

 libnautilus-private/nautilus-icon-canvas-item.c |   33 ++++++++++++++++++++---
 libnautilus-private/nautilus-icon-container.c   |   27 ++++++++++++++++++
 libnautilus-private/nautilus-icon-container.h   |    2 +
 3 files changed, 58 insertions(+), 4 deletions(-)
---
diff --git a/libnautilus-private/nautilus-icon-canvas-item.c b/libnautilus-private/nautilus-icon-canvas-item.c
index ed7992b..f6c0b93 100644
--- a/libnautilus-private/nautilus-icon-canvas-item.c
+++ b/libnautilus-private/nautilus-icon-canvas-item.c
@@ -117,12 +117,14 @@ struct NautilusIconCanvasItemDetails {
    	guint is_highlighted_for_selection : 1;
 	guint is_highlighted_as_keyboard_focus: 1;
    	guint is_highlighted_for_drop : 1;
+	guint is_highlighted_for_clipboard : 1;
 	guint show_stretch_handles : 1;
 	guint is_prelit : 1;
 
 	guint rendered_is_active : 1;
 	guint rendered_is_highlighted_for_selection : 1;
 	guint rendered_is_highlighted_for_drop : 1;
+	guint rendered_is_highlighted_for_clipboard : 1;
 	guint rendered_is_prelit : 1;
 	guint rendered_is_focused : 1;
 	
@@ -160,7 +162,8 @@ enum {
 	PROP_ADDITIONAL_TEXT,
     	PROP_HIGHLIGHTED_FOR_SELECTION,
     	PROP_HIGHLIGHTED_AS_KEYBOARD_FOCUS,
-    	PROP_HIGHLIGHTED_FOR_DROP
+    	PROP_HIGHLIGHTED_FOR_DROP,
+	PROP_HIGHLIGHTED_FOR_CLIPBOARD
 };
 
 typedef enum {
@@ -446,7 +449,14 @@ nautilus_icon_canvas_item_set_property (GObject        *object,
 		}
 		details->is_highlighted_for_drop = g_value_get_boolean (value);
 		break;
-		
+
+	case PROP_HIGHLIGHTED_FOR_CLIPBOARD:
+		if (!details->is_highlighted_for_clipboard == !g_value_get_boolean (value)) {
+			return;
+		}
+		details->is_highlighted_for_clipboard = g_value_get_boolean (value);
+		break;
+
 	default:
 		g_warning ("nautilus_icons_view_item_item_set_arg on unknown argument");
 		return;
@@ -488,6 +498,10 @@ nautilus_icon_canvas_item_get_property (GObject        *object,
 		g_value_set_boolean (value, details->is_highlighted_for_drop);
                 break;
 
+	case PROP_HIGHLIGHTED_FOR_CLIPBOARD:
+		g_value_set_boolean (value, details->is_highlighted_for_clipboard);
+                break;
+
         default:
 		g_warning ("invalid property %d", property_id);
 		break;
@@ -1708,7 +1722,8 @@ real_map_pixbuf (NautilusIconCanvasItem *icon_item)
 
 	g_object_ref (temp_pixbuf);
 
-	if (icon_item->details->is_prelit) {
+	if (icon_item->details->is_prelit ||
+	    icon_item->details->is_highlighted_for_clipboard) {
 		old_pixbuf = temp_pixbuf;
 
 		gtk_widget_style_get (GTK_WIDGET (container),
@@ -1821,6 +1836,7 @@ map_pixbuf (NautilusIconCanvasItem *icon_item)
 	      && icon_item->details->rendered_is_prelit == icon_item->details->is_prelit
 	      && icon_item->details->rendered_is_highlighted_for_selection == icon_item->details->is_highlighted_for_selection
 	      && icon_item->details->rendered_is_highlighted_for_drop == icon_item->details->is_highlighted_for_drop
+	      && icon_item->details->rendered_is_highlighted_for_clipboard == icon_item->details->is_highlighted_for_clipboard
 	      && (icon_item->details->is_highlighted_for_selection && icon_item->details->rendered_is_focused == gtk_widget_has_focus (GTK_WIDGET (EEL_CANVAS_ITEM (icon_item)->canvas))))) {
 		if (icon_item->details->rendered_pixbuf != NULL) {
 			g_object_unref (icon_item->details->rendered_pixbuf);
@@ -1830,6 +1846,7 @@ map_pixbuf (NautilusIconCanvasItem *icon_item)
 		icon_item->details->rendered_is_prelit = icon_item->details->is_prelit;
 		icon_item->details->rendered_is_highlighted_for_selection = icon_item->details->is_highlighted_for_selection;
 		icon_item->details->rendered_is_highlighted_for_drop = icon_item->details->is_highlighted_for_drop;
+	        icon_item->details->rendered_is_highlighted_for_clipboard = icon_item->details->is_highlighted_for_clipboard;
 		icon_item->details->rendered_is_focused = gtk_widget_has_focus (GTK_WIDGET (EEL_CANVAS_ITEM (icon_item)->canvas));
 	}
 
@@ -3518,7 +3535,15 @@ nautilus_icon_canvas_item_class_init (NautilusIconCanvasItemClass *class)
 		g_param_spec_boolean ("highlighted_for_drop",
 				      "highlighted for drop",
 				      "whether we are highlighted for a D&D drop",
-				      FALSE, G_PARAM_READWRITE)); 
+				      FALSE, G_PARAM_READWRITE));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_HIGHLIGHTED_FOR_CLIPBOARD,
+		g_param_spec_boolean ("highlighted_for_clipboard",
+				      "highlighted for clipboard",
+				      "whether we are highlighted for a clipboard paste (after we have been cut)",
+ 				      FALSE, G_PARAM_READWRITE));
 
 	item_class->update = nautilus_icon_canvas_item_update;
 	item_class->draw = nautilus_icon_canvas_item_draw;
diff --git a/libnautilus-private/nautilus-icon-container.c b/libnautilus-private/nautilus-icon-container.c
index 5f06f5c..c554c8c 100644
--- a/libnautilus-private/nautilus-icon-container.c
+++ b/libnautilus-private/nautilus-icon-container.c
@@ -8946,6 +8946,33 @@ nautilus_icon_container_set_all_columns_same_width (NautilusIconContainer *conta
 	}
 }
 
+/**
+ * nautilus_icon_container_set_highlighted_for_clipboard
+ * @container: An icon container widget.
+ * @data: Icon Data associated with all icons that should be highlighted.
+ *        Others will be unhighlighted.
+ **/
+void
+nautilus_icon_container_set_highlighted_for_clipboard (NautilusIconContainer *container,
+						       GList                 *clipboard_icon_data)
+{
+	GList *l;
+	NautilusIcon *icon;
+	gboolean highlighted_for_clipboard;
+
+	g_return_if_fail (NAUTILUS_IS_ICON_CONTAINER (container));
+
+	for (l = container->details->icons; l != NULL; l = l->next) {
+		icon = l->data;
+		highlighted_for_clipboard = (g_list_find (clipboard_icon_data, icon->data) != NULL);
+
+		eel_canvas_item_set (EEL_CANVAS_ITEM (icon->item),
+				     "highlighted-for-clipboard", highlighted_for_clipboard,
+				     NULL);
+	}
+
+}
+
 /* NautilusIconContainerAccessible */
 
 static NautilusIconContainerAccessiblePrivate *
diff --git a/libnautilus-private/nautilus-icon-container.h b/libnautilus-private/nautilus-icon-container.h
index 0ec896d..b5f0dce 100644
--- a/libnautilus-private/nautilus-icon-container.h
+++ b/libnautilus-private/nautilus-icon-container.h
@@ -285,6 +285,8 @@ void              nautilus_icon_container_freeze_icon_positions         (Nautilu
 int               nautilus_icon_container_get_max_layout_lines           (NautilusIconContainer  *container);
 int               nautilus_icon_container_get_max_layout_lines_for_pango (NautilusIconContainer  *container);
 
+void              nautilus_icon_container_set_highlighted_for_clipboard (NautilusIconContainer  *container,
+									 GList                  *clipboard_icon_data);
 
 /* operations on all icons */
 void              nautilus_icon_container_unselect_all                  (NautilusIconContainer  *view);