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#ifndef __SP_SWITCH_H__
#define __SP_SWITCH_H__
/*
* SVG <switch> implementation
*
* Authors:
* Andrius R. <knutux@gmail.com>
*
* Copyright (C) 2006 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "sp-item-group.h"
#include <sigc++/connection.h>
#define SP_TYPE_SWITCH (CSwitch::getType())
#define SP_SWITCH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_SWITCH, SPSwitch))
#define SP_SWITCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_SWITCH, SPSwitchClass))
#define SP_IS_SWITCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_SWITCH))
#define SP_IS_SWITCH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_SWITCH))
/*
* Virtual methods of SPSwitch
*/
class CSwitch : public CGroup {
public:
CSwitch(SPGroup *group);
virtual ~CSwitch();
friend class SPSwitch;
static GType getType();
virtual void onChildAdded(Inkscape::XML::Node *child);
virtual void onChildRemoved(Inkscape::XML::Node *child);
virtual void onOrderChanged(Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref);
virtual gchar *getDescription();
protected:
virtual GSList *_childList(bool add_ref, SPObject::Action action);
virtual void _showChildren (NRArena *arena, NRArenaItem *ai, unsigned int key, unsigned int flags);
SPObject *_evaluateFirst();
void _reevaluate(bool add_to_arena = false);
static void _releaseItem(SPObject *obj, CSwitch *selection);
void _releaseLastItem(SPObject *obj);
private:
SPObject *_cached_item;
sigc::connection _release_connection;
};
struct SPSwitch : public SPGroup {
void resetChildEvaluated() { ((CSwitch *)group)->_reevaluate(); }
};
struct SPSwitchClass : public SPGroupClass {
};
#endif
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