v0.4 release

DSLogic-gui/pv/prop/string.cpp

@@ -0,0 +1,77 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <assert.h>
+
+#include <QLineEdit>
+#include <QSpinBox>
+
+#include "string.h"
+
+namespace pv {
+namespace prop {
+
+String::String(QString name,
+	Getter getter,
+	Setter setter) :
+	Property(name, getter, setter),
+	_line_edit(NULL)
+{
+}
+
+QWidget* String::get_widget(QWidget *parent, bool auto_commit)
+{
+	if (_line_edit)
+		return _line_edit;
+
+	GVariant *const value = _getter ? _getter() : NULL;
+	if (!value)
+		return NULL;
+
+	_line_edit = new QLineEdit(parent);
+	_line_edit->setText(QString::fromUtf8(
+		g_variant_get_string(value, NULL)));
+	g_variant_unref(value);
+
+	if (auto_commit)
+		connect(_line_edit, SIGNAL(textEdited(const QString&)),
+			this, SLOT(on_text_edited(const QString&)));
+
+	return _line_edit;
+}
+
+void String::commit()
+{
+	assert(_setter);
+
+	if (!_line_edit)
+		return;
+
+	QByteArray ba = _line_edit->text().toLocal8Bit();
+	_setter(g_variant_new_string(ba.data()));
+}
+
+void String::on_text_edited(const QString&)
+{
+	commit();
+}
+
+} // prop
+} // pv