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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_ITEM_H
#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_ITEM_H
/*
* Inkscape::LivePathEffectParameters
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <glib.h>
#include "live_effects/parameter/parameter.h"
#include "live_effects/parameter/item-reference.h"
#include <cstddef>
#include <sigc++/sigc++.h>
namespace Inkscape {
namespace LivePathEffect {
class ItemParam : public Parameter {
public:
ItemParam ( const Glib::ustring& label,
const Glib::ustring& tip,
const Glib::ustring& key,
Inkscape::UI::Widget::Registry* wr,
Effect* effect,
const gchar * default_value = "");
~ItemParam() override;
Gtk::Widget * param_newWidget() override;
bool param_readSVGValue(const gchar * strvalue) override;
Glib::ustring param_getSVGValue() const override;
Glib::ustring param_getDefaultSVGValue() const override;
void param_set_default() override;
void param_update_default(const gchar * default_value) override;
void param_set_and_write_default();
void addCanvasIndicators(SPLPEItem const* lpeitem, std::vector<Geom::PathVector> &hp_vec) override;
sigc::signal <void> signal_item_pasted;
sigc::signal <void> signal_item_changed;
void linkitem(Glib::ustring itemid);
Geom::Affine last_transform;
bool changed; /* this gets set whenever the path is changed (this is set to true, and then the signal_item_changed signal is emitted).
* the user must set it back to false if she wants to use it sensibly */
protected:
gchar * href; // contains link to other object, e.g. "#path2428", NULL if ItemParam contains pathdata itself
ItemReference ref;
sigc::connection ref_changed_connection;
sigc::connection linked_delete_connection;
sigc::connection linked_modified_connection;
sigc::connection linked_transformed_connection;
void ref_changed(SPObject *old_ref, SPObject *new_ref);
void remove_link();
void start_listening(SPObject * to);
void quit_listening();
void linked_delete(SPObject *deleted);
void linked_modified(SPObject *linked_obj, guint flags);
void linked_transformed(Geom::Affine const *rel_transf, SPItem *moved_item);
virtual void linked_modified_callback(SPObject *linked_obj, guint flags);
virtual void linked_transformed_callback(Geom::Affine const *rel_transf, SPItem */*moved_item*/);
void on_link_button_click();
void emit_changed();
gchar * defvalue;
private:
ItemParam(const ItemParam&) = delete;
ItemParam& operator=(const ItemParam&) = delete;
};
} //namespace LivePathEffect
} //namespace Inkscape
#endif
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