ClearLineEditAddon::ClearLineEditAddon (ICoreProxy_ptr proxy, QLineEdit *edit)
: QObject (edit)
, Button_ (new QToolButton (edit))
, Edit_ (edit)
{
const bool isRtl = QApplication::layoutDirection () == Qt::RightToLeft;
const auto& icon = proxy->GetIcon (isRtl ?
"edit-clear-locationbar-ltr" :
"edit-clear-locationbar-rtl");
Button_->setIconSize (QSize (16, 16));
Button_->setIcon (icon);
Button_->setCursor (Qt::ArrowCursor);
Button_->setStyleSheet ("QToolButton { border: none; padding: 0px; }");
Button_->hide ();
connect (Button_,
SIGNAL (clicked ()),
edit,
SLOT (clear ()));
connect (edit,
SIGNAL (textChanged (QString)),
this,
SLOT (updateButton (QString)));
const int frameWidth = edit->style ()->pixelMetric (QStyle::PM_DefaultFrameWidth);
edit->setStyleSheet (QString ("QLineEdit { padding-right: %1px; }")
.arg (Button_->sizeHint ().width () + frameWidth + 1));
const auto msz = edit->minimumSizeHint ();
edit->setMinimumSize (qMax (msz.width (), Button_->sizeHint ().height () + frameWidth * 2 + 2),
qMax (msz.height(), Button_->sizeHint ().height () + frameWidth * 2 + 2));
UpdatePos ();
edit->installEventFilter (this);
}
