134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
/*
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Copyright (C) 2011 by Mike McQuaid
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "qsearchfield.h"
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#include <QLineEdit>
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#include <QVBoxLayout>
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#include <QToolButton>
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#include <QStyle>
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#include <QDir>
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#include <QDebug>
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class QSearchFieldPrivate : public QObject
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{
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public:
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QSearchFieldPrivate(QSearchField *searchField, QLineEdit *lineEdit, QToolButton *clearButton)
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: QObject(searchField), lineEdit(lineEdit), clearButton(clearButton) {}
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int lineEditFrameWidth() const {
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return lineEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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}
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int clearButtonPaddedWidth() const {
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return clearButton->width() + lineEditFrameWidth() * 2;
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}
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int clearButtonPaddedHeight() const {
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return clearButton->height() + lineEditFrameWidth() * 2;
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}
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QPointer<QLineEdit> lineEdit;
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QPointer<QToolButton> clearButton;
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};
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QSearchField::QSearchField(QWidget *parent) : QWidget(parent)
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{
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QLineEdit *lineEdit = new QLineEdit(this);
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connect(lineEdit, SIGNAL(textChanged(QString)),
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this, SIGNAL(textChanged(QString)));
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connect(lineEdit, SIGNAL(editingFinished()),
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this, SIGNAL(editingFinished()));
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connect(lineEdit, SIGNAL(textChanged(QString)),
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this, SLOT(setText(QString)));
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QToolButton *clearButton = new QToolButton(this);
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QPixmap clearIcon(QString(":/Qocoa/qsearchfield_nonmac.png"));
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clearButton->setIcon(QIcon(clearIcon));
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clearButton->setIconSize(clearIcon.size());
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clearButton->setFixedSize(clearIcon.size());
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clearButton->setStyleSheet("border: none;");
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clearButton->hide();
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connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
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pimpl = new QSearchFieldPrivate(this, lineEdit, clearButton);
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lineEdit->setStyleSheet(QString("QLineEdit { padding-right: %1px; } ").arg(pimpl->clearButtonPaddedWidth()));
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const int width = qMax(lineEdit->minimumSizeHint().width(), pimpl->clearButtonPaddedWidth());
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const int height = qMax(lineEdit->minimumSizeHint().height(), pimpl->clearButtonPaddedHeight());
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lineEdit->setMinimumSize(width, height);
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QVBoxLayout *layout = new QVBoxLayout(this);
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layout->setMargin(0);
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layout->addWidget(lineEdit);
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}
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void QSearchField::setText(const QString &text)
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{
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Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
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if (!(pimpl && pimpl->clearButton && pimpl->lineEdit))
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return;
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pimpl->clearButton->setVisible(!text.isEmpty());
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if (text != this->text())
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pimpl->lineEdit->setText(text);
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}
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void QSearchField::setPlaceholderText(const QString &text)
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{
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Q_ASSERT(pimpl && pimpl->lineEdit);
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if (!(pimpl && pimpl->lineEdit))
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return;
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#if QT_VERSION >= 0x040700
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pimpl->lineEdit->setPlaceholderText(text);
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#endif
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}
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void QSearchField::clear()
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{
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Q_ASSERT(pimpl && pimpl->lineEdit);
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if (!(pimpl && pimpl->lineEdit))
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return;
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pimpl->lineEdit->clear();
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}
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QString QSearchField::text() const
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{
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Q_ASSERT(pimpl && pimpl->lineEdit);
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if (!(pimpl && pimpl->lineEdit))
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return QString();
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return pimpl->lineEdit->text();
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}
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void QSearchField::resizeEvent(QResizeEvent *resizeEvent)
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{
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Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
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if (!(pimpl && pimpl->clearButton && pimpl->lineEdit))
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return;
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QWidget::resizeEvent(resizeEvent);
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const int x = width() - pimpl->clearButtonPaddedWidth();
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const int y = (height() - pimpl->clearButton->height())/2;
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pimpl->clearButton->move(x, y);
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}
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