Move prefdialog to own directory

1 files changed, 181 insertions, 0 deletions

diff --git a/src/extension/prefdialog/param/string.cpp b/src/extension/prefdialog/param/string.cpp
new file mode 100644
index 000000000..c1986cf92
--- /dev/null
+++ b/src/extension/prefdialog/param/string.cpp
@@ -0,0 +1,181 @@
+// 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 <gtkmm/adjustment.h>
+#include <gtkmm/box.h>
+#include <gtkmm/spinbutton.h>
+
+#include <glibmm/value.h>
+
+#include "xml/node.h"
+#include "extension/extension.h"
+#include "./string.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 */