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Add line edit widget with integrated clear button.

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This commit is contained in:
Florian Geyer 2012-05-20 20:14:15 +02:00
parent 3be90b02d6
commit e5e7e5e406
4 changed files with 87 additions and 0 deletions
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50
src/gui/LineEdit.cpp Normal file
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/****************************************************************************
**
** Copyright (c) 2007 Trolltech ASA <info@trolltech.com>
**
** Use, modification and distribution is allowed without limitation,
** warranty, liability or support of any kind.
**
****************************************************************************/
#include "LineEdit.h"
#include <QtGui/QToolButton>
#include <QtGui/QStyle>
#include "core/DataPath.h"
LineEdit::LineEdit(QWidget* parent)
: QLineEdit(parent)
{
clearButton = new QToolButton(this);
clearButton->setObjectName("clearButton");
QIcon icon = dataPath()->icon("action", "edit-clear-locationbar-rtl");
clearButton->setIcon(icon);
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(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 + 2),
qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
}
void LineEdit::resizeEvent(QResizeEvent*)
{
QSize sz = clearButton->sizeHint();
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
clearButton->move(rect().right() - frameWidth - sz.width(),
(rect().bottom() + 1 - sz.height())/2);
}
void LineEdit::updateCloseButton(const QString& text)
{
clearButton->setVisible(!text.isEmpty());
}