[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [47753] trunk/blender/source/blender: rna read/write access to ...

[Campbell Barton]

Revision: 47753
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=47753
Author:   campbellbarton
Date:     2012-06-11 18:43:48 +0000 (Mon, 11 Jun 2012)
Log Message:
-----------
rna read/write access to ...
  node_tree.nodes.active

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/BKE_node.h
    trunk/blender/source/blender/blenkernel/intern/node.c
    trunk/blender/source/blender/editors/space_node/space_node.c
    trunk/blender/source/blender/makesrna/intern/rna_nodetree.c

Modified: trunk/blender/source/blender/blenkernel/BKE_node.h
===================================================================
--- trunk/blender/source/blender/blenkernel/BKE_node.h	2012-06-11 18:43:16 UTC (rev 47752)
+++ trunk/blender/source/blender/blenkernel/BKE_node.h	2012-06-11 18:43:48 UTC (rev 47753)
@@ -372,6 +372,7 @@
 struct bNode	*nodeGetActive(struct bNodeTree *ntree);
 struct bNode	*nodeGetActiveID(struct bNodeTree *ntree, short idtype);
 int				nodeSetActiveID(struct bNodeTree *ntree, short idtype, struct ID *id);
+void			nodeClearActive(struct bNodeTree *ntree);
 void			nodeClearActiveID(struct bNodeTree *ntree, short idtype);
 struct bNode	*nodeGetActiveTexture(struct bNodeTree *ntree);
 

Modified: trunk/blender/source/blender/blenkernel/intern/node.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/node.c	2012-06-11 18:43:16 UTC (rev 47752)
+++ trunk/blender/source/blender/blenkernel/intern/node.c	2012-06-11 18:43:48 UTC (rev 47753)
@@ -1313,6 +1313,17 @@
 			node->flag &= ~NODE_ACTIVE_ID;
 }
 
+void nodeClearActive(bNodeTree *ntree)
+{
+	bNode *node;
+
+	if (ntree==NULL) return;
+
+	for (node= ntree->nodes.first; node; node= node->next)
+		node->flag &= ~(NODE_ACTIVE | NODE_ACTIVE_ID);
+}
+
+
 /* two active flags, ID nodes have special flag for buttons display */
 void nodeSetActive(bNodeTree *ntree, bNode *node)
 {

Modified: trunk/blender/source/blender/editors/space_node/space_node.c
===================================================================
--- trunk/blender/source/blender/editors/space_node/space_node.c	2012-06-11 18:43:16 UTC (rev 47752)
+++ trunk/blender/source/blender/editors/space_node/space_node.c	2012-06-11 18:43:48 UTC (rev 47753)
@@ -492,16 +492,11 @@
 		return 1;
 	}
 	else if (CTX_data_equals(member, "active_node")) {
-		bNode *node;
-		
 		if (snode->edittree) {
-			for (node=snode->edittree->nodes.last; node; node=node->prev) {
-				if (node->flag & NODE_ACTIVE) {
-					CTX_data_pointer_set(result, &snode->edittree->id, &RNA_Node, node);
-					break;
-				}
-			}
+			bNode *node = nodeGetActive(snode->edittree);
+			CTX_data_pointer_set(result, &snode->edittree->id, &RNA_Node, node);
 		}
+
 		CTX_data_type_set(result, CTX_DATA_TYPE_POINTER);
 		return 1;
 	}

Modified: trunk/blender/source/blender/makesrna/intern/rna_nodetree.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_nodetree.c	2012-06-11 18:43:16 UTC (rev 47752)
+++ trunk/blender/source/blender/makesrna/intern/rna_nodetree.c	2012-06-11 18:43:48 UTC (rev 47753)
@@ -634,6 +634,22 @@
 	return item;
 }
 
+static PointerRNA rna_NodeTree_active_node_get(PointerRNA *ptr)
+{
+	bNodeTree *ntree = (bNodeTree *)ptr->data;
+	bNode *node = nodeGetActive(ntree);
+	return rna_pointer_inherit_refine(ptr, &RNA_Node, node);
+}
+
+static void rna_NodeTree_active_node_set(PointerRNA *ptr, PointerRNA value)
+{
+	bNodeTree *ntree = (bNodeTree *)ptr->data;
+	if (value.data)
+		nodeSetActive(ntree, (bNode *)value.data);
+	else
+		nodeClearActive(ntree);
+}
+
 static bNode *rna_NodeTree_node_new(bNodeTree *ntree, bContext *C, ReportList *reports,
                                     int type, bNodeTree *group)
 {
@@ -3632,6 +3648,19 @@
 	RNA_def_function_ui_description(func, "remove all node links from the node tree");
 }
 
+/* shared between all note tree types*/
+static void rna_def_nodetree_active_api(StructRNA *srna, PropertyRNA *cprop)
+{
+	PropertyRNA *prop;
+
+	prop = RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
+	RNA_def_property_struct_type(prop, "Node");
+	RNA_def_property_pointer_funcs(prop, "rna_NodeTree_active_node_get", "rna_NodeTree_active_node_set", NULL, NULL);
+	RNA_def_property_flag(prop, PROP_EDITABLE | PROP_NEVER_UNLINK);
+	RNA_def_property_ui_text(prop, "Active Node", "Active node in this tree");
+	RNA_def_property_update(prop, NC_SCENE | ND_OB_ACTIVE, NULL);
+}
+
 static void rna_def_composite_nodetree_api(BlenderRNA *brna, PropertyRNA *cprop)
 {
 	StructRNA *srna;
@@ -3661,6 +3690,8 @@
 
 	func = RNA_def_function(srna, "clear", "rna_NodeTree_node_clear");
 	RNA_def_function_ui_description(func, "Remove all nodes from this node tree");
+
+	rna_def_nodetree_active_api(srna, cprop);
 }
 
 static void rna_def_shader_nodetree_api(BlenderRNA *brna, PropertyRNA *cprop)
@@ -3692,6 +3723,8 @@
 
 	func = RNA_def_function(srna, "clear", "rna_NodeTree_node_clear");
 	RNA_def_function_ui_description(func, "Remove all nodes from this node tree");
+
+	rna_def_nodetree_active_api(srna, cprop);
 }
 
 static void rna_def_texture_nodetree_api(BlenderRNA *brna, PropertyRNA *cprop)
@@ -3723,6 +3756,8 @@
 
 	func = RNA_def_function(srna, "clear", "rna_NodeTree_node_clear");
 	RNA_def_function_ui_description(func, "Remove all nodes from this node tree");
+
+	rna_def_nodetree_active_api(srna, cprop);
 }
 
 static void rna_def_node_socket(BlenderRNA *brna)