Fix downward signal flow display (i.e. port labels disabled).

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@4260 a436a847-0d15-0410-975c-d299462d15a1

6 files changed, 29 insertions, 7 deletions

diff --git a/ganv/Canvas.hpp b/ganv/Canvas.hpp
index e017d70..477277d 100644
--- a/ganv/Canvas.hpp
+++ b/ganv/Canvas.hpp
@@ -111,10 +111,8 @@ public:
 
 	RW_PROPERTY(GanvDirection, direction);
 
-	typedef void (*NodeFunction)(GanvNode* node, void* data);
-
-	void for_each_node(NodeFunction f, void* data);
-	void for_each_selected_node(NodeFunction f, void* data);
+	void for_each_node(GanvNodeFunction f, void* data);
+	void for_each_selected_node(GanvNodeFunction f, void* data);
 
 	typedef void (*EdgePtrFunction)(GanvEdge* edge, void* data);
 
diff --git a/ganv/Module.hpp b/ganv/Module.hpp
index b734ba2..9b294c9 100644
--- a/ganv/Module.hpp
+++ b/ganv/Module.hpp
@@ -43,8 +43,7 @@ public:
 	       const std::string& name,
 	       double             x                = 0,
 	       double             y                = 0,
-	       bool               show_title       = true,
-	       bool               show_port_labels = true)
+	       bool               show_title       = true)
 		: Box(&canvas, GANV_BOX(
 			      ganv_item_new(
 				      GANV_ITEM(canvas.root()),
@@ -120,7 +119,7 @@ public:
 	guint num_ports() const { return ganv_module_num_ports(gobj()); }
 
 	RW_PROPERTY(gboolean, stacked)
-	RW_PROPERTY(gboolean, show_port_labels)
+
 	METHODRET0(ganv_module, double, get_empty_port_breadth)
 	METHODRET0(ganv_module, double, get_empty_port_depth)
 
diff --git a/ganv/canvas.h b/ganv/canvas.h
index bbf6b97..352c13c 100644
--- a/ganv/canvas.h
+++ b/ganv/canvas.h
@@ -98,11 +98,27 @@ void
 ganv_canvas_set_font_size(GanvCanvas* canvas, double points);
 
 void
+ganv_canvas_set_direction(GanvCanvas* canvas, GanvDirection dir);
+
+void
 ganv_canvas_clear_selection(GanvCanvas* canvas);
 
+typedef void (*GanvNodeFunction)(GanvNode* node, void* data);
+
 typedef void (*GanvEdgeFunction)(GanvEdge* edge);
 
 /**
+ * ganv_canvas_for_each_node:
+ * @canvas: The canvas.
+ * @f: (scope call): A function to call on every node on @canvas.
+ * @data: Data to pass to @f.
+ */
+void
+ganv_canvas_for_each_node(GanvCanvas*      canvas,
+                          GanvNodeFunction f,
+                          void*            data);
+
+/**
  * ganv_canvas_for_each_edge_from:
  * @canvas: The canvas.
  * @tail: The tail to enumerate every edge for.
diff --git a/ganv/module.h b/ganv/module.h
index 16c5258..de36f4e 100644
--- a/ganv/module.h
+++ b/ganv/module.h
@@ -75,6 +75,10 @@ void
 ganv_module_embed(GanvModule* module,
                   GtkWidget*  widget);
 
+void
+ganv_module_set_direction(GanvModule*   module,
+                          GanvDirection direction);
+
 /**
  * ganv_module_for_each_port:
  * @module: The module.
diff --git a/ganv/node.h b/ganv/node.h
index a18a361..9150945 100644
--- a/ganv/node.h
+++ b/ganv/node.h
@@ -134,6 +134,7 @@ GanvNode*
 ganv_node_get_partner(const GanvNode* node);
 
 void ganv_node_set_label(GanvNode* node, const char* str);
+void ganv_node_set_show_label(GanvNode* node, gboolean show);
 
 void
 ganv_node_move(GanvNode* node,
diff --git a/ganv/port.h b/ganv/port.h
index 402c67a..af5cc6b 100644
--- a/ganv/port.h
+++ b/ganv/port.h
@@ -49,6 +49,10 @@ ganv_port_new(GanvModule* module,
               const char* first_prop_name, ...);
 
 void
+ganv_port_set_direction(GanvPort*     port,
+                        GanvDirection direction);
+
+void
 ganv_port_show_control(GanvPort* port);
 
 void