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-rw-r--r--src/extension/prefdialog/parameter-bool.cpp141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/extension/prefdialog/parameter-bool.cpp b/src/extension/prefdialog/parameter-bool.cpp
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+++ b/src/extension/prefdialog/parameter-bool.cpp
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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-bool.h"
+
+#include <gtkmm/box.h>
+#include <gtkmm/checkbutton.h>
+
+#include "xml/node.h"
+#include "extension/extension.h"
+#include "preferences.h"
+
+namespace Inkscape {
+namespace Extension {
+
+ParamBool::ParamBool(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
+ : InxParameter(xml, ext)
+{
+ // get value
+ if (xml->firstChild()) {
+ const char *value = xml->firstChild()->content();
+ if (value) {
+ if (!strcmp(value, "true")) {
+ _value = true;
+ } else if (!strcmp(value, "false")) {
+ _value = false;
+ } else {
+ g_warning("Invalid default value ('%s') for parameter '%s' in extension '%s'",
+ value, _name, _extension->get_id());
+ }
+ }
+ }
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ _value = prefs->getBool(pref_name(), _value);
+}
+
+bool ParamBool::set(bool in)
+{
+ _value = in;
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setBool(pref_name(), _value);
+
+ return _value;
+}
+
+bool ParamBool::get() const
+{
+ return _value;
+}
+
+/**
+ * A check button which is Param aware. It works with the
+ * parameter to change it's value as the check button changes
+ * value.
+ */
+class ParamBoolCheckButton : public Gtk::CheckButton {
+public:
+ /**
+ * Initialize the check button.
+ * This function sets the value of the checkbox to be that of the
+ * parameter, and then sets up a callback to \c on_toggle.
+ *
+ * @param param Which parameter to adjust on changing the check button
+ */
+ ParamBoolCheckButton(ParamBool *param, char *label, sigc::signal<void> *changeSignal)
+ : Gtk::CheckButton(label)
+ , _pref(param)
+ , _changeSignal(changeSignal) {
+ this->set_active(_pref->get());
+ this->signal_toggled().connect(sigc::mem_fun(this, &ParamBoolCheckButton::on_toggle));
+ return;
+ }
+
+ /**
+ * A function to respond to the check box changing.
+ * Adjusts the value of the preference to match that in the check box.
+ */
+ void on_toggle ();
+
+private:
+ /** Param to change. */
+ ParamBool *_pref;
+ sigc::signal<void> *_changeSignal;
+};
+
+void ParamBoolCheckButton::on_toggle()
+{
+ _pref->set(this->get_active());
+ if (_changeSignal != nullptr) {
+ _changeSignal->emit();
+ }
+ return;
+}
+
+std::string ParamBool::value_to_string() const
+{
+ if (_value) {
+ return "true";
+ }
+ return "false";
+}
+
+Gtk::Widget *ParamBool::get_widget(sigc::signal<void> *changeSignal)
+{
+ if (_hidden) {
+ return nullptr;
+ }
+
+ auto hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, GUI_PARAM_WIDGETS_SPACING));
+ hbox->set_homogeneous(false);
+
+ ParamBoolCheckButton * checkbox = Gtk::manage(new ParamBoolCheckButton(this, _text, changeSignal));
+ checkbox->show();
+ hbox->pack_start(*checkbox, false, false);
+
+ hbox->show();
+
+ return dynamic_cast<Gtk::Widget *>(hbox);
+}
+
+} /* 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 :