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Added new basic class for a QLineEdit with a clear button - LineEditClear.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5080 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2012-04-05 21:03:03 +00:00
parent 1df5582e1c
commit 7756b093bf
34 changed files with 413 additions and 962 deletions
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60
retroshare-gui/src/gui/common/LineEditClear.cpp Normal file
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/****************************************************************
*
* RetroShare is distributed under the following license:
*
* Copyright (C) 2012, RetroShare Team
*
* 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 Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include "LineEditClear.h"
#include <QToolButton>
#include <QStyle>
LineEditClear::LineEditClear(QWidget *parent)
: QLineEdit(parent)
{
clearButton = new QToolButton(this);
clearButton->setFixedSize(16, 16);
clearButton->setIconSize(QSize(16, 16));
clearButton->setCursor(Qt::ArrowCursor);
clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }"
"QToolButton { border-image: url(:/images/closenormal.png) }"
"QToolButton:hover { border-image: url(:/images/closehover.png) }"
"QToolButton:pressed { border-image: url(:/images/closepressed.png) }");
clearButton->hide();
connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(updateCloseButton(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), qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2));
}
void LineEditClear::resizeEvent(QResizeEvent *)
{
QSize sz = clearButton->sizeHint();
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
clearButton->move(rect().right() - frameWidth - sz.width() + 2, (rect().bottom() - sz.height()) / 2 + 2);
}
void LineEditClear::updateCloseButton(const QString& text)
{
clearButton->setVisible(!text.isEmpty());
}