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Diffstat (limited to 'src/webenginewidgets/ui/autofillpopupwidget.cpp')
| -rw-r--r-- | src/webenginewidgets/ui/autofillpopupwidget.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/webenginewidgets/ui/autofillpopupwidget.cpp b/src/webenginewidgets/ui/autofillpopupwidget.cpp new file mode 100644 index 000000000..a4dc31beb --- /dev/null +++ b/src/webenginewidgets/ui/autofillpopupwidget.cpp @@ -0,0 +1,201 @@ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#include "autofillpopupwidget_p.h" +#include "qwebengineview.h" +#include "qwebengineview_p.h" + +#include "autofill_popup_controller.h" + +#include <QApplication> +#include <QBoxLayout> +#include <QEvent> +#include <QKeyEvent> +#include <QListView> +#include <QMouseEvent> + +namespace QtWebEngineWidgetUI { + +AutofillPopupWidget::AutofillPopupWidget(QtWebEngineCore::AutofillPopupController *controller, + QWebEngineView *parent) + : QFrame(parent, Qt::Popup), m_controller(controller), m_webEngineView(parent) +{ + setAttribute(Qt::WA_WindowPropagation); + setAttribute(Qt::WA_X11NetWmWindowTypeCombo); + + // we need a vertical layout + QBoxLayout *layout = new QBoxLayout(QBoxLayout::TopToBottom, this); + layout->setSpacing(0); + layout->setContentsMargins(QMargins()); + + m_listView = new QListView(m_webEngineView); + m_listView->setModel(m_controller->model()); + m_listView->setTextElideMode(Qt::ElideMiddle); + + // Based on QComboBoxPrivateContainer::setItemView + m_listView->setParent(this); + m_listView->setAttribute(Qt::WA_MacShowFocusRect, false); + layout->insertWidget(0, m_listView); + m_listView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); + + m_listView->installEventFilter(this); + // Necessary for filtering QEvent::MouseMove: + m_listView->viewport()->installEventFilter(this); + + m_listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + // TODO: Implement vertical scrollbar. Chromium also has it. + m_listView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + m_listView->setMouseTracking(true); + + m_listView->setSelectionMode(QAbstractItemView::SingleSelection); + m_listView->setEditTriggers(QAbstractItemView::NoEditTriggers); + + // Some styles (Mac) have a margin at the top and bottom of the popup. + layout->insertSpacing(0, 0); + layout->addSpacing(0); + + connect(m_controller, &QtWebEngineCore::AutofillPopupController::currentIndexChanged, + m_listView, &QListView::setCurrentIndex); +} + +AutofillPopupWidget::~AutofillPopupWidget() { } + +// Based on QComboBox::showPopup() +void AutofillPopupWidget::showPopup(QPoint pos, int width, bool autoselectFirstSuggestion) +{ + QStyle *const style = m_webEngineView->style(); + QStyleOptionComboBox opt; + opt.initFrom(m_webEngineView); + + if (autoselectFirstSuggestion) + m_controller->selectFirstSuggestion(); + + QRect listRect(pos, QSize(width, 0)); + + // Calculate height + { + int listHeight = 0; + int rowCount = m_controller->model()->rowCount(); + for (int i = 0; i < rowCount; ++i) { + QModelIndex idx = m_controller->model()->index(i, 0); + listHeight += m_listView->visualRect(idx).height(); + } + if (rowCount > 1) + listHeight += (rowCount - 1) * m_listView->spacing() * 2; + + listRect.setHeight(listRect.height() + listHeight); + } + + // Calculate height margin + { + int heightMargin = m_listView->spacing() * 2; + + // Add the frame of the popup + const QMargins pm = contentsMargins(); + heightMargin += pm.top() + pm.bottom(); + + // Add the frame of the list view + const QMargins vm = m_listView->contentsMargins(); + heightMargin += vm.top() + vm.bottom(); + listRect.setHeight(listRect.height() + heightMargin); + } + + // Add space for margin at top and bottom if the style wants it + int styleMargin = style->pixelMetric(QStyle::PM_MenuVMargin, &opt, this) * 2; + listRect.setHeight(listRect.height() + styleMargin); + + // Takes account of the mimium/maximum size of the popup + layout()->activate(); + listRect.setSize(listRect.size().expandedTo(minimumSize()).boundedTo(maximumSize())); + + setGeometry(listRect); + QFrame::show(); +} + +bool AutofillPopupWidget::eventFilter(QObject *object, QEvent *event) +{ + switch (event->type()) { + case QEvent::MouseMove: + if (isVisible()) { + QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event); + QModelIndex indexUnderMouse = m_listView->indexAt(mouseEvent->position().toPoint()); + if (indexUnderMouse.isValid() + && indexUnderMouse.data(Qt::AccessibleDescriptionRole).toString() + != QLatin1String("separator")) { + m_controller->selectSuggestion(indexUnderMouse.row()); + } + } + return true; + case QEvent::MouseButtonRelease: { + QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event); + if (mouseEvent->button() == Qt::LeftButton) { + m_controller->acceptSuggestion(); + return true; + } + break; + } + default: + break; + } + + return QFrame::eventFilter(object, event); +} + +void AutofillPopupWidget::keyPressEvent(QKeyEvent *event) +{ + // AutofillPopupControllerImpl::HandleKeyPressEvent() + // chrome/browser/ui/autofill/autofill_popup_controller_impl.cc + switch (event->key()) { + case Qt::Key_Up: + m_controller->selectPreviousSuggestion(); + return; + case Qt::Key_Down: + m_controller->selectNextSuggestion(); + return; + case Qt::Key_PageUp: + m_controller->selectFirstSuggestion(); + return; + case Qt::Key_PageDown: + m_controller->selectLastSuggestion(); + return; + case Qt::Key_Escape: + m_webEngineView->d_ptr->hideAutofillPopup(); + return; + case Qt::Key_Enter: + case Qt::Key_Return: + m_controller->acceptSuggestion(); + return; + case Qt::Key_Delete: + // Remove suggestion is not supported for datalist. + // Forward delete to view to be able to remove selected text. + break; + case Qt::Key_Tab: + m_controller->acceptSuggestion(); + break; + default: + break; + } + + QCoreApplication::sendEvent(m_webEngineView->focusWidget(), event); +} + +void AutofillPopupWidget::keyReleaseEvent(QKeyEvent *event) +{ + // Do not forward release events of the overridden key presses. + switch (event->key()) { + case Qt::Key_Up: + case Qt::Key_Down: + case Qt::Key_PageUp: + case Qt::Key_PageDown: + case Qt::Key_Escape: + case Qt::Key_Enter: + case Qt::Key_Return: + return; + default: + break; + } + + QCoreApplication::sendEvent(m_webEngineView->focusWidget(), event); +} + +} // namespace QtWebEngineWidgetUI |