X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Fvaluenode.h;h=8a1552e792c5e6b14db2bf25fad14560ac784ee9;hb=c318e91118d00d944b39c88eb6a34f6c6a89489e;hp=c681b5d0e2fb243cc14c4e43fbb76c74041569b5;hpb=bee0f6d2546e9afe9cbd0d9da701896947d99b5d;p=synfig.git

diff --git a/synfig-core/src/synfig/valuenode.h b/synfig-core/src/synfig/valuenode.h
index c681b5d..8a1552e 100644
--- a/synfig-core/src/synfig/valuenode.h
+++ b/synfig-core/src/synfig/valuenode.h
@@ -39,6 +39,7 @@
 #include <sigc++/signal.h>
 #include "guid.h"
 #include <ETL/angle>
+#include "paramdesc.h"
 
 #include "node.h"
 
@@ -77,6 +78,7 @@ namespace synfig {
 class Canvas;
 class LinkableValueNode;
 class Layer;
+class ParamVocab;
 
 /*!	\class ValueNode
 **	\brief Base class for all Value Nodes
@@ -110,9 +112,15 @@ public:
 	*/
 
 private:
+	//! The type of the Value Node
+	//! \see ValueBase
 	ValueBase::Type type;
+	//! The name of the Value Node. This is the string that is used in the
+	//! sif file to define the value type: i.e. <param name="amount">
 	String name;
+	//! The canvas this Value Node belongs to
 	etl::loose_handle<Canvas> canvas_;
+	//! The root canvas this Value Node belongs to
 	etl::loose_handle<Canvas> root_canvas_;
 
 	/*
@@ -242,7 +250,12 @@ protected:
 }; // END of class ValueNode
 
 /*!	\class PlaceholderValueNode
-**	\todo writeme
+**	Seems to be a Place to hold a Value Node temporarly.
+*
+* 	Doesn't seem to implement any functionality. Seems to be used when the
+* 	value node cannot be created using the Const, Animated or Linkable
+* 	Value Nodes.
+*
 */
 class PlaceholderValueNode : public ValueNode
 {
@@ -324,10 +337,20 @@ public:
 	*/
 	typedef std::map<String,BookEntry> Book;
 
+	//! The vocabulary of the children
+	/*! \see synfig::Paramdesc
+	 */
+	typedef ParamVocab Vocab;
+
 	static Book& book();
 
+	//! Creates a Linkable Value Node based on the name and the returned
+	//! value type. Returns a valid Handle if both (name and type) match
 	static Handle create(const String &name, const ValueBase& x);
 
+	//! Each derived Linkable Value Node has to implement this fucntion and
+	//! should return true only if the type matches. \name is the name of
+	//! the linked value node and \x is the returned value type
 	static bool check_type(const String &name, ValueBase::Type x);
 
 public:
@@ -335,8 +358,13 @@ public:
 		ValueNode(type) { }
 
 protected:
+	//! Stores the Value Node \x in the sub parameter i after check if the
+	//! type is the same.
+	//! It has to be defined by the derived class.
 	virtual bool set_link_vfunc(int i,ValueNode::Handle x)=0;
 
+	//! Frees all the subparameters of the Linkable Value Node.
+	//! Used by the derived classed destructors.
 	void unlink_all();
 
 public:
@@ -345,13 +373,13 @@ public:
 	virtual int link_count()const=0;
 
 	//! Returns the local name of the 'i' linked Value Node
-	virtual String link_local_name(int i)const=0;
+	virtual String link_local_name(int i)const;
 
 	//! Returns the name of the 'i' linked Value Node
-	virtual String link_name(int i)const=0;
+	virtual String link_name(int i)const;
 
 	//! Returns the child index Value Node based on the name
-	virtual int get_link_index_from_name(const String &name)const=0;
+	virtual int get_link_index_from_name(const String &name)const;
 
 	//! Clones a Value Node
 	virtual ValueNode* clone(const GUID& deriv_guid=GUID())const;
@@ -368,6 +396,9 @@ public:
 	//! Return a full description of the linked ValueNode given by the index
 	String get_description(int index = -1, bool show_exported_name = true)const;
 
+	//! Gets the parameter vocabulary for linkable value nodes
+	virtual Vocab get_param_vocab()const=0;
+
 protected:
 	//! Sets the type of the ValueNode
 	void set_type(ValueBase::Type t) { ValueNode::set_type(t); }