WSearchLineEdit::WSearchLineEdit(QWidget* pParent)
: QLineEdit(pParent),
WBaseWidget(this) {
setAcceptDrops(false);
m_clearButton = new QToolButton(this);
QPixmap pixmap(":/skins/cross.png");
m_clearButton->setIcon(QIcon(pixmap));
m_clearButton->setIconSize(pixmap.size());
m_clearButton->setCursor(Qt::ArrowCursor);
m_clearButton->setToolTip(tr("Clear input" , "Clear the search bar input field"));
m_clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
m_clearButton->hide();
m_place = true;
showPlaceholder();
setFocusPolicy(Qt::ClickFocus);
QShortcut *setFocusShortcut = new QShortcut(
QKeySequence(tr("Ctrl+F", "Search|Focus")), this);
connect(setFocusShortcut, SIGNAL(activated()),
this, SLOT(setFocus()));
connect(this, SIGNAL(textChanged(const QString&)),
this, SLOT(slotTextChanged(const QString&)));
// Set up a timer to search after a few hundred milliseconds timeout. This
// stops us from thrashing the database if you type really fast.
m_searchTimer.setSingleShot(true);
connect(&m_searchTimer, SIGNAL(timeout()),
this, SLOT(triggerSearch()));
connect(this, SIGNAL(textChanged(const QString&)),
this, SLOT(slotSetupTimer(const QString&)));
// When you hit enter, it will trigger the search.
connect(this, SIGNAL(returnPressed()),
this, SLOT(triggerSearch()));
connect(m_clearButton, SIGNAL(clicked()),
this, SLOT(onSearchTextCleared()));
// Forces immediate update of tracktable
connect(m_clearButton, SIGNAL(clicked()),
this, SLOT(triggerSearch()));
connect(this, SIGNAL(textChanged(const QString&)),
this, SLOT(updateCloseButton(const QString&)));
// The width of the frame for the widget based on the styling.
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
// Ensures the text does not obscure the clear image.
setStyleSheet(QString("QLineEdit { padding-right: %1px; } ").
arg(m_clearButton->sizeHint().width() + frameWidth + 1));
}
void WSearchLineEdit::slotTextChanged(const QString& text) {
if (text.isEmpty()) {
triggerSearch();
emit(searchCleared());
}
}
