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/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "ui/widget/registered-widget.h"
#include <glibmm/i18n.h>
#include "live_effects/parameter/parameter.h"
#include "live_effects/effect.h"
#include "svg/svg.h"
#include "xml/repr.h"
#include "svg/stringstream.h"
#include "verbs.h"
#define noLPEREALPARAM_DEBUG
namespace Inkscape {
namespace LivePathEffect {
Parameter::Parameter( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect )
: param_key(key),
param_wr(wr),
param_label(label),
oncanvas_editable(false),
widget_is_visible(true),
param_tooltip(tip),
param_effect(effect)
{
}
void
Parameter::param_write_to_repr(const char * svgd)
{
param_effect->getRepr()->setAttribute(param_key.c_str(), svgd);
}
/*###########################################
* REAL PARAM
*/
ScalarParam::ScalarParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, gdouble default_value)
: Parameter(label, tip, key, wr, effect),
value(default_value),
min(-G_MAXDOUBLE),
max(G_MAXDOUBLE),
integer(false),
defvalue(default_value),
digits(2),
inc_step(0.1),
inc_page(1),
add_slider(false)
{
}
ScalarParam::~ScalarParam()
{
}
bool
ScalarParam::param_readSVGValue(const gchar * strvalue)
{
double newval;
unsigned int success = sp_svg_number_read_d(strvalue, &newval);
if (success == 1) {
param_set_value(newval);
return true;
}
return false;
}
gchar *
ScalarParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << value;
gchar * str = g_strdup(os.str().c_str());
return str;
}
void
ScalarParam::param_set_default()
{
param_set_value(defvalue);
}
void
ScalarParam::param_set_value(gdouble val)
{
value = val;
if (integer)
value = round(value);
if (value > max)
value = max;
if (value < min)
value = min;
}
void
ScalarParam::param_set_range(gdouble min, gdouble max)
{
this->min = min;
this->max = max;
param_set_value(value); // reset value to see whether it is in ranges
}
void
ScalarParam::param_make_integer(bool yes)
{
integer = yes;
digits = 0;
inc_step = 1;
inc_page = 10;
}
Gtk::Widget *
ScalarParam::param_newWidget()
{
Inkscape::UI::Widget::RegisteredScalar *rsu = Gtk::manage( new Inkscape::UI::Widget::RegisteredScalar(
param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc() ) );
rsu->setValue(value);
rsu->setDigits(digits);
rsu->setIncrements(inc_step, inc_page);
rsu->setRange(min, max);
rsu->setProgrammatically = false;
if (add_slider) {
rsu->addSlider();
}
rsu->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change scalar parameter"));
return dynamic_cast<Gtk::Widget *> (rsu);
}
void
ScalarParam::param_set_digits(unsigned digits)
{
this->digits = digits;
}
void
ScalarParam::param_set_increments(double step, double page)
{
inc_step = step;
inc_page = page;
}
} /* namespace LivePathEffect */
} /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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