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#include <QBoxLayout>
#include <QApplication>
#include <QDesktopWidget>
#include <QEvent>
#include <QRegExpValidator>
#include "lineeditwidget.h"
LineEditWidget::LineEditWidget(QWidget *parent)
: QLineEdit(parent)
, _layout(new QHBoxLayout())
, _popup(0)
, _optimalLength(0)
{
_layout->setSpacing(0);
_layout->setContentsMargins(1, 3, 2, 3);
_layout->addWidget(new QWidget());
setLayout(_layout);
setContentsMargins(0, 0, 0, 0);
installEventFilter(this);
}
LineEditWidget::~LineEditWidget()
{
_toolbuttons.clear();
}
QSize LineEditWidget::sizeHint() const
{
QSize size;
size = QLineEdit::sizeHint();
int width = 0;
if(_optimalLength) {
width += fontMetrics().width("0") * _optimalLength;
}
else {
width += size.width();
}
width += textMargins().right();
size.setWidth(width);
return size;
}
void LineEditWidget::showEvent(QShowEvent *e)
{
// Width of standard QLineEdit plus extended tool buttons
int width = 0;
for(int i = _toolbuttons.size() - 1; i >= 0; i--) {
width += _toolbuttons[i]->width();
}
setTextMargins(0, 0, width, 0);
QLineEdit::showEvent(e);
}
bool LineEditWidget::eventFilter(QObject *o, QEvent *e)
{
return QLineEdit::eventFilter(o, e);
}
void LineEditWidget::setRxValidator(const QString &str)
{
_rxValidator = str;
if (str.isEmpty()) {
return;
}
QRegExp rx(str);
QRegExpValidator *validator = new QRegExpValidator(rx, this);
setValidator(validator);
}
void LineEditWidget::addWidget(QWidget *w)
{
_toolbuttons << w;
_layout->addWidget(w);
}
void LineEditWidget::setPopup(QWidget *w)
{
if(_popup) {
delete _popup;
_popup = 0;
}
_popup = new QFrame(this);
_popup->setWindowFlags(Qt::Popup);
_popup->setFrameStyle(QFrame::StyledPanel);
_popup->setAttribute(Qt::WA_WindowPropagation);
_popup->setAttribute(Qt::WA_X11NetWmWindowTypeCombo);
QBoxLayout *layout = new QBoxLayout(QBoxLayout::TopToBottom);
layout->setSpacing(0);
layout->setMargin(0);
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(w);
_popup->setLayout(layout);
}
void LineEditWidget::showPopup()
{
_popup->adjustSize();
_popup->move(mapToGlobal(QPoint(width() - _popup->geometry().width(), height())));
QSize size = qApp->desktop()->size();
QRect rect = _popup->geometry();
// if widget is beyond edge of display
if(rect.right() > size.width()) {
rect.moveRight(size.width());
}
if(rect.bottom() > size.height()) {
rect.moveBottom(size.height());
}
_popup->move(rect.topLeft());
_popup->show();
}
void LineEditWidget::hidePopup()
{
if (_popup->isVisible()) {
_popup->hide();
}
}
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