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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#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"
#include <glibmm/i18n.h>
#include <utility>
#define noLPEREALPARAM_DEBUG
namespace Inkscape {
namespace LivePathEffect {
Parameter::Parameter(Glib::ustring label, Glib::ustring tip, Glib::ustring key, Inkscape::UI::Widget::Registry *wr,
Effect *effect)
: param_key(std::move(key))
, param_wr(wr)
, param_label(std::move(label))
, oncanvas_editable(false)
, widget_is_visible(true)
, widget_is_enabled(true)
, param_tooltip(std::move(tip))
, param_effect(effect)
{
}
void Parameter::param_write_to_repr(const char *svgd)
{
param_effect->getRepr()->setAttribute(param_key, svgd);
}
void Parameter::write_to_SVG()
{
param_write_to_repr(param_getSVGValue().c_str());
}
/*###########################################
* 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(-SCALARPARAM_G_MAXDOUBLE)
, max(SCALARPARAM_G_MAXDOUBLE)
, integer(false)
, defvalue(default_value)
, digits(2)
, inc_step(0.1)
, inc_page(1)
, add_slider(false)
, _set_undo(true)
{
}
ScalarParam::~ScalarParam() = default;
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;
}
Glib::ustring ScalarParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << value;
return os.str();
}
Glib::ustring ScalarParam::param_getDefaultSVGValue() const
{
Inkscape::SVGOStringStream os;
os << defvalue;
return os.str();
}
void ScalarParam::param_set_default() { param_set_value(defvalue); }
void ScalarParam::param_update_default(gdouble default_value) { defvalue = default_value; }
void ScalarParam::param_update_default(const gchar *default_value)
{
double newval;
unsigned int success = sp_svg_number_read_d(default_value, &newval);
if (success == 1) {
param_update_default(newval);
}
}
void ScalarParam::param_transform_multiply(Geom::Affine const &postmul, bool set)
{
// Check if proportional stroke-width scaling is on
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
bool transform_stroke = prefs ? prefs->getBool("/options/transform/stroke", true) : true;
if (transform_stroke || set) {
param_set_value(value * postmul.descrim());
write_to_SVG();
}
}
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)
{
// if you look at client code, you'll see that many effects
// has a tendency to set an upper range of Geom::infinity().
// Once again, in gtk2, this is not a problem. But in gtk3,
// widgets get allocated the amount of size they ask for,
// leading to excessively long widgets.
if (min >= -SCALARPARAM_G_MAXDOUBLE) {
this->min = min;
} else {
this->min = -SCALARPARAM_G_MAXDOUBLE;
}
if (max <= SCALARPARAM_G_MAXDOUBLE) {
this->max = max;
} else {
this->max = SCALARPARAM_G_MAXDOUBLE;
}
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;
}
void ScalarParam::param_set_undo(bool set_undo) { _set_undo = set_undo; }
Gtk::Widget *ScalarParam::param_newWidget()
{
if (widget_is_visible) {
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();
}
if (_set_undo) {
rsu->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change scalar parameter"));
}
return dynamic_cast<Gtk::Widget *>(rsu);
} else {
return nullptr;
}
}
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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