+/***************************************************************************
+ * Copyright (C) 2005/06 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * 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) version 3. *
+ * *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include "clearablelineedit.h"
+
+#include <QToolButton>
+#include <QStyle>
+
+ClearableLineEdit::ClearableLineEdit(QWidget *parent)
+ : QLineEdit(parent)
+{
+ clearButton = new QToolButton(this);
+ clearButton->setIcon(QIcon(":/22x22/actions/oxygen/22x22/actions/edit-clear-locationbar-rtl.png"));
+ clearButton->setCursor(Qt::ArrowCursor);
+ clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
+ clearButton->hide();
+
+ connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
+ connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(updateClearButton(const QString&)));
+
+ int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+ setStyleSheet(QString("QLineEdit { padding-right: %1px; } ").arg(clearButton->sizeHint().width() + frameWidth + 1));
+ QSize msz = minimumSizeHint();
+ setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),
+ qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
+}
+
+void ClearableLineEdit::resizeEvent(QResizeEvent *) {
+ QSize size = clearButton->sizeHint();
+ int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+ clearButton->move(rect().right() - frameWidth - size.width(),
+ (rect().bottom() + 1 - size.height())/2);
+}
+
+void ClearableLineEdit::updateClearButton(const QString& text) {
+ clearButton->setVisible(!text.isEmpty());
+}