+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode.h
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package 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
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_VALUENODE_H
-#define __SYNFIG_VALUENODE_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "vector.h"
-#include "value.h"
-#include "string.h"
-#include <ETL/handle>
-#include <ETL/stringf>
-#include "exception.h"
-#include <map>
-#include <sigc++/signal.h>
-#include "guid.h"
-
-#ifndef SYNFIG_NO_ANGLE
-#include <ETL/angle>
-#endif
-
-#include "node.h"
-
-#include <set>
-
-/* === M A C R O S ========================================================= */
-
-// This is a hack for GCC 3.0.4... which has a broken dynamic_cast<>
-// It is deprecated, and will be removed soon.
-#if ( __GNUC__ == 3 ) && ( __GNUC__MINOR__ == 0 )
-# define DCAST_HACK_BASECLASS() int cast__
-# define DCAST_HACK_ID(x) static const int my_cast__(void) { return x; }
-# define DCAST_HACK_ENABLE() cast__=my_cast__()
-#else
-# define DCAST_HACK_BASECLASS()
-# define DCAST_HACK_ID(x)
-# define DCAST_HACK_ENABLE()
-#endif
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace synfig {
-
-class Canvas;
-class LinkableValueNode;
-class Layer;
-
-/*! \class ValueNode
-** \todo writeme
-*/
-class ValueNode : public synfig::Node
-{
- friend class Layer;
- friend class LinkableValueNode;
-
- /*
- -- ** -- T Y P E S -----------------------------------------------------------
- */
-
-public:
-
- typedef etl::handle<ValueNode> Handle;
-
- typedef etl::loose_handle<ValueNode> LooseHandle;
-
- typedef etl::handle<const ValueNode> ConstHandle;
-
- typedef etl::rhandle<ValueNode> RHandle;
-
-
- static bool subsys_init();
-
- static bool subsys_stop();
-
- /*
- -- ** -- D A T A -------------------------------------------------------------
- */
-
-private:
- ValueBase::Type type;
- String name;
- etl::loose_handle<Canvas> canvas_;
- etl::loose_handle<Canvas> root_canvas_;
-
- /*
- -- ** -- S I G N A L S -------------------------------------------------------
- */
-
-private:
-
- //! ValueBase Changed
- sigc::signal<void> signal_value_changed_;
-
- //! Children Reordered
- sigc::signal<void,int*> signal_children_reordered_;
-
- //! Child Changed
- sigc::signal<void,int> signal_child_changed_;
-
- //! Child Removed
- sigc::signal<void,int> signal_child_removed_;
-
- //! Child Inserted
- sigc::signal<void,int> signal_child_inserted_;
-
- //! ID Changed
- sigc::signal<void> signal_id_changed_;
-
- /*
- -- ** -- S I G N A L I N T E R F A C E -------------------------------------
- */
-
-public:
-
- //! ValueBase Changed
- sigc::signal<void>& signal_value_changed() { return signal_value_changed_; }
-
- //! Children Reordered
- sigc::signal<void,int*>& signal_children_reordered() { return signal_children_reordered_; }
-
- //! Child Changed
- sigc::signal<void,int>& signal_child_changed() { return signal_child_changed_; }
-
- //! Child Removed
- sigc::signal<void,int>& signal_child_removed() { return signal_child_removed_; }
-
- //! Child Inserted
- sigc::signal<void,int>& signal_child_inserted() { return signal_child_inserted_; }
-
- //! ID Changed
- sigc::signal<void>& signal_id_changed() { return signal_id_changed_; }
-
- /*
- -- ** -- C O N S T R U C T O R S ---------------------------------------------
- */
-
-protected:
-
- ValueNode(ValueBase::Type type=ValueBase::TYPE_NIL);
-
-public:
-
- virtual ~ValueNode();
-
- /*
- -- ** -- M E M B E R F U N C T I O N S -------------------------------------
- */
-
-public:
-
- //! Returns the value of the ValueNode at time \a t
- virtual ValueBase operator()(Time t)const
- { return ValueBase(); }
-
- //! \internal Sets the id of the ValueNode
- void set_id(const String &x);
-
- //! Returns the id of the ValueNode
- /*! The ID is used for keeping track of a
- ** specific instance of a ValueNode. */
- const String &get_id()const { return name; }
-
- //! Returns the name of the ValueNode type
- virtual String get_name()const=0;
-
- //! Returns the localized name of the ValueNode type
- virtual String get_local_name()const=0;
-
-
- //! \writeme
- virtual ValueNode* clone(const GUID& deriv_guid=GUID())const=0;
-
- //! \writeme
- bool is_exported()const { return !get_id().empty(); }
-
- //! Returns the type of the ValueNode
- ValueBase::Type get_type()const { return type; }
-
- //! Returns a handle to the parent canvas, if it has one.
- etl::loose_handle<Canvas> get_parent_canvas()const { return canvas_; }
-
- //! Returns a handle to the parent canvas, if it has one.
- etl::loose_handle<Canvas> get_root_canvas()const { return root_canvas_; }
-
- //! \writeme
- void set_parent_canvas(etl::loose_handle<Canvas> x);
-
- //! \writeme
- void set_root_canvas(etl::loose_handle<Canvas> x);
-
- //! \writeme
- String get_relative_id(etl::loose_handle<const Canvas> x)const;
-
- int replace(etl::handle<ValueNode> x);
-
-protected:
- //! Sets the type of the ValueNode
- void set_type(ValueBase::Type t) { type=t; }
-
- virtual void on_changed();
-
-public:
- DCAST_HACK_BASECLASS();
- DCAST_HACK_ID(0);
-}; // END of class ValueNode
-
-/*! \class PlaceholderValueNode
-** \todo writeme
-*/
-class PlaceholderValueNode : public ValueNode
-{
-public:
- typedef etl::handle<PlaceholderValueNode> Handle;
- typedef etl::loose_handle<PlaceholderValueNode> LooseHandle;
- typedef etl::handle<const PlaceholderValueNode> ConstHandle;
- typedef etl::rhandle<PlaceholderValueNode> RHandle;
-
-private:
-
- PlaceholderValueNode(ValueBase::Type type=ValueBase::TYPE_NIL);
-
-public:
-
- virtual ValueBase operator()(Time t)const;
-
- virtual String get_name()const;
-
- virtual String get_local_name()const;
-
- virtual ValueNode* clone(const GUID& deriv_guid=GUID())const;
-
- static Handle create(ValueBase::Type type=ValueBase::TYPE_NIL);
-
-protected:
- virtual void get_times_vfunc(Node::time_set &set) const {}
-}; // END of class PlaceholderValueNode
-
-
-/*! \class LinkableValueNode
-** \todo writeme
-*/
-class LinkableValueNode : public ValueNode
-{
- friend class ValueNode;
-public:
-
- typedef etl::handle<LinkableValueNode> Handle;
-
- typedef etl::loose_handle<LinkableValueNode> LooseHandle;
-
- typedef etl::handle<const LinkableValueNode> ConstHandle;
-
- typedef etl::rhandle<LinkableValueNode> RHandle;
-
-
- //! Type that represents a pointer to a ValueNode's constructor
- typedef LinkableValueNode* (*Factory)(const ValueBase&);
-
- typedef bool (*CheckType)(ValueBase::Type);
-
- struct BookEntry
- {
- String local_name;
- Factory factory;
- CheckType check_type;
- };
-
- typedef std::map<String,BookEntry> Book;
-
- static Book& book();
-
- static Handle create(const String &name, const ValueBase& x);
-
- static bool check_type(const String &name, ValueBase::Type x);
-
-public:
- LinkableValueNode(ValueBase::Type type=ValueBase::TYPE_NIL):
- ValueNode(type) { }
-
-protected:
- virtual bool set_link_vfunc(int i,ValueNode::Handle x)=0;
-
- void unlink_all();
-
-public:
-
- virtual int link_count()const=0;
-
- virtual String link_local_name(int i)const=0;
-
- virtual String link_name(int i)const=0;
-
- virtual int get_link_index_from_name(const String &name)const=0;
-
- virtual ValueNode* clone(const GUID& deriv_guid=GUID())const;
-
- bool set_link(int i,ValueNode::Handle x);
- bool set_link(const String &name,ValueNode::Handle x) { return set_link(get_link_index_from_name(name),x); }
-
- ValueNode::LooseHandle get_link(int i)const;
- ValueNode::LooseHandle get_link(const String &name)const { return get_link(get_link_index_from_name(name)); }
-
-protected:
- //! Sets the type of the ValueNode
- void set_type(ValueBase::Type t) { ValueNode::set_type(t); }
-
- virtual ValueNode::LooseHandle get_link_vfunc(int i)const=0;
-
- // Wrapper for new operator, used by clone()
- virtual LinkableValueNode* create_new()const=0;
-
- virtual void get_times_vfunc(Node::time_set &set) const;
-}; // END of class LinkableValueNode
-
-/*! \class ValueNodeList
-** \brief A searchable value_node list container
-** \warning Do not confuse with ValueNode_DynamicList!
-** \todo writeme
-*/
-class ValueNodeList : public std::list<ValueNode::RHandle>
-{
- int placeholder_count_;
-public:
- ValueNodeList();
-
- //! Finds the ValueNode in the list with the given \a name
- /*! \return If found, returns a handle to the ValueNode.
- ** Otherwise, returns an empty handle.
- */
- ValueNode::Handle find(const String &name);
-
- //! Finds the ValueNode in the list with the given \a name
- /*! \return If found, returns a handle to the ValueNode.
- ** Otherwise, returns an empty handle.
- */
- ValueNode::ConstHandle find(const String &name)const;
-
- //! Removes the \a value_node from the list
- bool erase(ValueNode::Handle value_node);
-
- //! \writeme
- bool add(ValueNode::Handle value_node);
-
- //! \writeme
- bool count(const String &id)const;
-
- //! Similar to find, but will create a placeholder value_node if it cannot be found.
- ValueNode::Handle surefind(const String &name);
-
- //! Removes any value_nodes with reference counts of 1.
- void audit();
-
- //! Placeholder Count
- int placeholder_count()const { return placeholder_count_; }
-};
-
-ValueNode::LooseHandle find_value_node(const GUID& guid);
-
-}; // END of namespace synfig
-
-/* === E N D =============================================================== */
-
-#endif
projects / synfig.git / blobdiff