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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2005-2007 Authors:
* Ted Gould <ted@gould.cx>
* Johan Engelen <johan@shouraizou.nl> *
* Jon A. Cruz <jon@joncruz.org>
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "parameter-int.h"
#include <gtkmm/adjustment.h>
#include <gtkmm/box.h>
#include "preferences.h"
#include "extension/extension.h"
#include "ui/widget/spinbutton.h"
#include "ui/widget/spin-scale.h"
#include "xml/node.h"
namespace Inkscape {
namespace Extension {
ParamInt::ParamInt(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
: InxParameter(xml, ext)
{
// get value
if (xml->firstChild()) {
const char *value = xml->firstChild()->content();
if (value) {
_value = strtol(value, nullptr, 0);
}
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
_value = prefs->getInt(pref_name(), _value);
// parse and apply limits
const char *min = xml->attribute("min");
if (min) {
_min = strtol(min, nullptr, 0);
}
const char *max = xml->attribute("max");
if (max) {
_max = strtol(max, nullptr, 0);
}
if (_value < _min) {
_value = _min;
}
if (_value > _max) {
_value = _max;
}
// parse appearance
if (_appearance) {
if (!strcmp(_appearance, "full")) {
_mode = FULL;
} else {
g_warning("Invalid value ('%s') for appearance of parameter '%s' in extension '%s'",
_appearance, _name, _extension->get_id());
}
}
}
/**
* A function to set the \c _value.
* This function sets the internal value, but it also sets the value
* in the preferences structure. To put it in the right place \c pref_name() is used.
*
* @param in The value to set to.
*/
int ParamInt::set(int in)
{
_value = in;
if (_value > _max) {
_value = _max;
}
if (_value < _min) {
_value = _min;
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setInt(pref_name(), _value);
return _value;
}
/** A class to make an adjustment that uses Extension params. */
class ParamIntAdjustment : public Gtk::Adjustment {
/** The parameter to adjust. */
ParamInt *_pref;
sigc::signal<void> *_changeSignal;
public:
/** Make the adjustment using an extension and the string describing the parameter. */
ParamIntAdjustment(ParamInt *param, sigc::signal<void> *changeSignal)
: Gtk::Adjustment(0.0, param->min(), param->max(), 1.0, 10.0, 0)
, _pref(param)
, _changeSignal(changeSignal)
{
this->set_value(_pref->get());
this->signal_value_changed().connect(sigc::mem_fun(this, &ParamIntAdjustment::val_changed));
};
void val_changed ();
}; /* class ParamIntAdjustment */
/**
* A function to respond to the value_changed signal from the adjustment.
*
* This function just grabs the value from the adjustment and writes
* it to the parameter. Very simple, but yet beautiful.
*/
void ParamIntAdjustment::val_changed()
{
_pref->set((int)this->get_value());
if (_changeSignal != nullptr) {
_changeSignal->emit();
}
}
/**
* Creates a Int Adjustment for a int parameter.
*
* Builds a hbox with a label and a int adjustment in it.
*/
Gtk::Widget *
ParamInt::get_widget(sigc::signal<void> *changeSignal)
{
if (_hidden) {
return nullptr;
}
Gtk::HBox *hbox = Gtk::manage(new Gtk::HBox(false, GUI_PARAM_WIDGETS_SPACING));
auto pia = new ParamIntAdjustment(this, changeSignal);
Glib::RefPtr<Gtk::Adjustment> fadjust(pia);
if (_mode == FULL) {
Glib::ustring text;
if (_text != nullptr)
text = _text;
UI::Widget::SpinScale *scale = Gtk::manage(new UI::Widget::SpinScale(text, fadjust, 0));
scale->set_size_request(400, -1);
scale->show();
hbox->pack_start(*scale, true, true);
} else if (_mode == DEFAULT) {
Gtk::Label *label = Gtk::manage(new Gtk::Label(_text, Gtk::ALIGN_START));
label->show();
hbox->pack_start(*label, true, true);
auto spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 1.0, 0));
spin->show();
hbox->pack_start(*spin, false, false);
}
hbox->show();
return dynamic_cast<Gtk::Widget *>(hbox);
}
std::string ParamInt::value_to_string() const
{
char value_string[32];
snprintf(value_string, 32, "%d", _value);
return value_string;
}
} // namespace Extension
} // 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:fileencoding=utf-8:textwidth=99 :
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