QtFallbackWebPopup.cpp [plain text]
#include "config.h"
#include "QtFallbackWebPopup.h"
#ifndef QT_NO_COMBOBOX
#include "ChromeClientQt.h"
#include "QWebPageClient.h"
#include "qgraphicswebview.h"
#include <QAbstractItemView>
#include <QApplication>
#include <QGraphicsProxyWidget>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QInputContext>
#include <QMouseEvent>
#include <QStandardItemModel>
namespace WebCore {
QtFallbackWebPopupCombo::QtFallbackWebPopupCombo(QtFallbackWebPopup& ownerPopup)
: m_ownerPopup(ownerPopup)
{
view()->installEventFilter(this);
}
void QtFallbackWebPopupCombo::showPopup()
{
QComboBox::showPopup();
m_ownerPopup.m_popupVisible = true;
}
void QtFallbackWebPopupCombo::hidePopup()
{
#ifndef QT_NO_IM
QWidget* activeFocus = QApplication::focusWidget();
if (activeFocus && activeFocus == QComboBox::view()
&& activeFocus->testAttribute(Qt::WA_InputMethodEnabled)) {
QInputContext* qic = activeFocus->inputContext();
if (qic) {
qic->reset();
qic->setFocusWidget(0);
}
}
#endif // QT_NO_IM
QComboBox::hidePopup();
if (!m_ownerPopup.m_popupVisible)
return;
m_ownerPopup.m_popupVisible = false;
emit m_ownerPopup.didHide();
m_ownerPopup.destroyPopup();
}
bool QtFallbackWebPopupCombo::eventFilter(QObject* watched, QEvent* event)
{
Q_ASSERT(watched == view());
if (event->type() == QEvent::Show && !m_ownerPopup.m_popupVisible)
showPopup();
else if (event->type() == QEvent::Hide && m_ownerPopup.m_popupVisible)
hidePopup();
return false;
}
QtFallbackWebPopup::QtFallbackWebPopup(const ChromeClientQt* chromeClient)
: m_popupVisible(false)
, m_combo(0)
, m_chromeClient(chromeClient)
{
}
QtFallbackWebPopup::~QtFallbackWebPopup()
{
destroyPopup();
}
void QtFallbackWebPopup::show(const QWebSelectData& data)
{
if (!pageClient())
return;
destroyPopup();
m_combo = new QtFallbackWebPopupCombo(*this);
connect(m_combo, SIGNAL(activated(int)),
SLOT(activeChanged(int)), Qt::QueuedConnection);
populate(data);
QColor backgroundColor = data.backgroundColor();
QColor foregroundColor = data.foregroundColor();
QPalette palette = m_combo->palette();
if (backgroundColor.isValid())
palette.setColor(QPalette::Background, backgroundColor);
if (foregroundColor.isValid())
palette.setColor(QPalette::Foreground, foregroundColor);
m_combo->setPalette(palette);
QRect rect = geometry();
if (QGraphicsWebView *webView = qobject_cast<QGraphicsWebView*>(pageClient()->pluginParent())) {
QGraphicsProxyWidget* proxy = new QGraphicsProxyWidget(webView);
proxy->setWidget(m_combo);
proxy->setGeometry(rect);
} else {
m_combo->setParent(pageClient()->ownerWidget());
m_combo->setGeometry(QRect(rect.left(), rect.top(),
rect.width(), m_combo->sizeHint().height()));
}
QMouseEvent event(QEvent::MouseButtonPress, QCursor::pos(), Qt::LeftButton,
Qt::LeftButton, Qt::NoModifier);
QCoreApplication::sendEvent(m_combo, &event);
}
void QtFallbackWebPopup::hide()
{
}
void QtFallbackWebPopup::destroyPopup()
{
if (m_combo) {
m_combo->deleteLater();
m_combo = 0;
}
}
void QtFallbackWebPopup::populate(const QWebSelectData& data)
{
QStandardItemModel* model = qobject_cast<QStandardItemModel*>(m_combo->model());
Q_ASSERT(model);
#if !defined(Q_OS_SYMBIAN)
m_combo->setFont(font());
#endif
int currentIndex = -1;
for (int i = 0; i < data.itemCount(); ++i) {
switch (data.itemType(i)) {
case QWebSelectData::Separator:
m_combo->insertSeparator(i);
break;
case QWebSelectData::Group:
m_combo->insertItem(i, data.itemText(i));
model->item(i)->setEnabled(false);
break;
case QWebSelectData::Option:
m_combo->insertItem(i, data.itemText(i));
model->item(i)->setEnabled(data.itemIsEnabled(i));
#ifndef QT_NO_TOOLTIP
model->item(i)->setToolTip(data.itemToolTip(i));
#endif
model->item(i)->setBackground(data.itemBackgroundColor(i));
model->item(i)->setForeground(data.itemForegroundColor(i));
if (data.itemIsSelected(i))
currentIndex = i;
break;
}
}
if (currentIndex >= 0)
m_combo->setCurrentIndex(currentIndex);
}
void QtFallbackWebPopup::activeChanged(int index)
{
if (index < 0)
return;
emit selectItem(index, false, false);
}
QWebPageClient* QtFallbackWebPopup::pageClient() const
{
return m_chromeClient->platformPageClient();
}
}
#endif // QT_NO_COMBOBOX