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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-string.h"
#include <gtkmm/adjustment.h>
#include <gtkmm/box.h>
#include <gtkmm/spinbutton.h>
#include <glibmm/value.h>
#include "xml/node.h"
#include "extension/extension.h"
#include "preferences.h"
#include <glibmm/i18n.h>
namespace Inkscape {
namespace Extension {
/** Free the allocated data. */
ParamString::~ParamString()
{
g_free(_value);
_value = nullptr;
}
/**
* 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_DIR
* and \c pref_name() are used.
*
* To copy the data into _value the old memory must be free'd first.
* It is important to note that \c g_free handles \c NULL just fine. Then
* the passed in value is duplicated using \c g_strdup().
*
* @param in The value to set to.
* @param doc A document that should be used to set the value.
* @param node The node where the value may be placed.
*/
const gchar * ParamString::set(const gchar * in, SPDocument * /*doc*/, Inkscape::XML::Node * /*node*/)
{
if (in == nullptr) {
return nullptr; /* Can't have NULL string */
}
if (_value != nullptr) {
g_free(_value);
}
_value = g_strdup(in);
gchar * prefname = this->pref_name();
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setString(extension_pref_root + prefname, _value);
g_free(prefname);
return _value;
}
void ParamString::string(std::string &string) const
{
if (_value) {
string += _value;
}
}
/** Initialize the object, to do that, copy the data. */
ParamString::ParamString(const gchar * name,
const gchar * text,
const gchar * description,
bool hidden,
int indent,
Inkscape::Extension::Extension * ext,
Inkscape::XML::Node * xml)
: Parameter(name, text, description, hidden, indent, ext)
, _value(nullptr)
{
const char * defaultval = nullptr;
if (xml->firstChild() != nullptr) {
defaultval = xml->firstChild()->content();
}
gchar * pref_name = this->pref_name();
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
Glib::ustring paramval = prefs->getString(extension_pref_root + pref_name);
g_free(pref_name);
if (!paramval.empty()) {
defaultval = paramval.data();
}
if (defaultval != nullptr) {
char const * chname = xml->name();
if (!strcmp(chname, INKSCAPE_EXTENSION_NS "_param")) {
if (xml->attribute("msgctxt") != nullptr) {
_value = g_strdup(g_dpgettext2(nullptr, xml->attribute("msgctxt"), defaultval));
} else {
_value = g_strdup(_(defaultval));
}
} else {
_value = g_strdup(defaultval);
}
}
_max_length = 0;
}
/** A special type of Gtk::Entry to handle string parameteres. */
class ParamStringEntry : public Gtk::Entry {
private:
ParamString * _pref;
SPDocument * _doc;
Inkscape::XML::Node * _node;
sigc::signal<void> * _changeSignal;
public:
/**
* Build a string preference for the given parameter.
* @param pref Where to get the string from, and where to put it
* when it changes.
*/
ParamStringEntry (ParamString * pref, SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal) :
Gtk::Entry(), _pref(pref), _doc(doc), _node(node), _changeSignal(changeSignal) {
if (_pref->get(nullptr, nullptr) != nullptr) {
this->set_text(Glib::ustring(_pref->get(nullptr, nullptr)));
}
this->set_max_length(_pref->getMaxLength()); //Set the max length - default zero means no maximum
this->signal_changed().connect(sigc::mem_fun(this, &ParamStringEntry::changed_text));
};
void changed_text ();
};
/**
* Respond to the text box changing.
*
* This function responds to the box changing by grabbing the value
* from the text box and putting it in the parameter.
*/
void ParamStringEntry::changed_text()
{
Glib::ustring data = this->get_text();
_pref->set(data.c_str(), _doc, _node);
if (_changeSignal != nullptr) {
_changeSignal->emit();
}
}
/**
* Creates a text box for the string parameter.
*
* Builds a hbox with a label and a text box in it.
*/
Gtk::Widget * ParamString::get_widget(SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
{
if (_hidden) {
return nullptr;
}
Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, Parameter::GUI_PARAM_WIDGETS_SPACING));
Gtk::Label * label = Gtk::manage(new Gtk::Label(_text, Gtk::ALIGN_START));
label->show();
hbox->pack_start(*label, false, false);
ParamStringEntry * textbox = new ParamStringEntry(this, doc, node, changeSignal);
textbox->show();
hbox->pack_start(*textbox, true, true);
hbox->show();
return dynamic_cast<Gtk::Widget *>(hbox);
}
} /* namespace Extension */
} /* namespace Inkscape */
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