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#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_H
#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_H
/*
* Inkscape::LivePathEffectParameters
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glibmm/ustring.h>
#include <2geom/point.h>
#include <2geom/path.h>
#include "ui/widget/registry.h"
#include "ui/widget/registered-widget.h"
namespace Gtk {
class Widget;
}
namespace Inkscape {
namespace LivePathEffect {
class Effect;
class Parameter {
public:
Parameter( const Glib::ustring& label,
const Glib::ustring& tip,
const Glib::ustring& key,
Inkscape::UI::Widget::Registry* wr,
Effect* effect);
virtual ~Parameter() {};
virtual bool param_readSVGValue(const gchar * strvalue) = 0; // returns true if new value is valid / accepted.
virtual gchar * param_writeSVGValue() const = 0;
virtual void param_set_default() = 0;
// This returns pointer to the parameter's widget to be put in the live-effects dialog. Must also create the
// necessary widget if it does not exist yet.
virtual Gtk::Widget * param_getWidget() = 0;
virtual Glib::ustring * param_getTooltip() { return ¶m_tooltip; };
Glib::ustring param_key;
Inkscape::UI::Widget::Registry * param_wr;
Glib::ustring param_label;
protected:
Glib::ustring param_tooltip;
Effect* param_effect;
private:
Parameter(const Parameter&);
Parameter& operator=(const Parameter&);
};
class ScalarParam : public Parameter {
public:
ScalarParam( const Glib::ustring& label,
const Glib::ustring& tip,
const Glib::ustring& key,
Inkscape::UI::Widget::Registry* wr,
Effect* effect,
gdouble default_value = 1.0);
virtual ~ScalarParam();
virtual bool param_readSVGValue(const gchar * strvalue);
virtual gchar * param_writeSVGValue() const;
virtual void param_set_default();
void param_set_value(gdouble val);
void param_make_integer(bool yes = true);
void param_set_range(gdouble min, gdouble max);
void param_set_digits(unsigned digits);
void param_set_increments(double step, double page);
virtual Gtk::Widget * param_getWidget();
inline operator gdouble()
{ return value; };
protected:
gdouble value;
gdouble min;
gdouble max;
bool integer;
gdouble defvalue;
Inkscape::UI::Widget::RegisteredScalar * rsu;
unsigned digits;
double inc_step;
double inc_page;
private:
ScalarParam(const ScalarParam&);
ScalarParam& operator=(const ScalarParam&);
};
} //namespace LivePathEffect
} //namespace Inkscape
#endif
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