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// Copyright (C) 2016 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
// Qt-Security score:significant
#include "highlight.h"
#include <QtCore/QTimer>
#include <QtGui/QPainter>
#include <QtGui/QStaticText>
#include <QtQuick/QQuickWindow>
QT_BEGIN_NAMESPACE
namespace QmlJSDebugger {
Highlight::Highlight(QQuickItem *parent) : QQuickPaintedItem(parent)
{
initRenderDetails();
}
Highlight::Highlight(QQuickItem *item, QQuickItem *parent)
: QQuickPaintedItem(parent)
{
initRenderDetails();
setItem(item);
}
void Highlight::initRenderDetails()
{
setRenderTarget(QQuickPaintedItem::FramebufferObject);
setPerformanceHint(QQuickPaintedItem::FastFBOResizing, true);
}
void Highlight::setItem(QQuickItem *item)
{
if (m_item)
m_item->disconnect(this);
if (item) {
connect(item, &QQuickItem::xChanged, this, &Highlight::adjust);
connect(item, &QQuickItem::yChanged, this, &Highlight::adjust);
connect(item, &QQuickItem::widthChanged, this, &Highlight::adjust);
connect(item, &QQuickItem::heightChanged, this, &Highlight::adjust);
connect(item, &QQuickItem::rotationChanged, this, &Highlight::adjust);
connect(item, &QQuickItem::transformOriginChanged, this, &Highlight::adjust);
}
QQuickWindow *view = item->window();
QQuickItem * contentItem = view->contentItem();
if (contentItem) {
connect(contentItem, &QQuickItem::xChanged, this, &Highlight::adjust);
connect(contentItem, &QQuickItem::yChanged, this, &Highlight::adjust);
connect(contentItem, &QQuickItem::widthChanged, this, &Highlight::adjust);
connect(contentItem, &QQuickItem::heightChanged, this, &Highlight::adjust);
connect(contentItem, &QQuickItem::rotationChanged, this, &Highlight::adjust);
connect(contentItem, &QQuickItem::transformOriginChanged, this, &Highlight::adjust);
}
m_item = item;
setContentsSize(view->size());
adjust();
}
void Highlight::adjust()
{
if (!m_item)
return;
bool success = false;
m_transform = m_item->itemTransform(nullptr, &success);
if (!success)
m_transform = QTransform();
setSize(QSizeF(m_item->width(), m_item->height()));
qreal scaleFactor = 1;
QPointF originOffset = QPointF(0,0);
QQuickWindow *view = m_item->window();
if (view->contentItem()) {
scaleFactor = view->contentItem()->scale();
originOffset -= view->contentItem()->position();
}
// The scale transform for the overlay needs to be cancelled
// as the Item's transform which will be applied to the painter
// takes care of it.
parentItem()->setScale(1/scaleFactor);
setPosition(originOffset);
update();
}
void HoverHighlight::paint(QPainter *painter)
{
if (!item())
return;
painter->save();
painter->setTransform(transform());
painter->setPen(QColor(108, 141, 221));
painter->drawRect(QRect(0, 0, item()->width() - 1, item()->height() - 1));
painter->restore();
}
SelectionHighlight::SelectionHighlight(const QString &name, QQuickItem *item, QQuickItem *parent)
: Highlight(item, parent),
m_name(name),
m_nameDisplayActive(false)
{
}
void SelectionHighlight::paint(QPainter *painter)
{
if (!item())
return;
painter->save();
painter->fillRect(QRectF(0,0,contentsSize().width(), contentsSize().height()),
QColor(0,0,0,127));
painter->setTransform(transform());
// Setting the composition mode such that the transparency will
// be erased as per the selected item.
painter->setCompositionMode(QPainter::CompositionMode_Clear);
painter->fillRect(0, 0, item()->width(), item()->height(), Qt::black);
painter->restore();
// Use the painter with the original transform and not with the
// item's transform for display of name.
if (!m_nameDisplayActive)
return;
// Paint the text in gray background if display name is active..
QRect textRect = painter->boundingRect(QRect(10, contentsSize().height() - 10 ,
contentsSize().width() - 20, contentsSize().height()),
Qt::AlignCenter | Qt::ElideRight, m_name);
qreal xPosition = m_displayPoint.x();
if (xPosition + textRect.width() > contentsSize().width())
xPosition = contentsSize().width() - textRect.width();
if (xPosition < 0) {
xPosition = 0;
textRect.setWidth(contentsSize().width());
}
qreal yPosition = m_displayPoint.y() - textRect.height() - 20;
if (yPosition < 50 )
yPosition = 50;
painter->fillRect(QRectF(xPosition - 5, yPosition - 5,
textRect.width() + 10, textRect.height() + 10), Qt::gray);
painter->drawRect(QRectF(xPosition - 5, yPosition - 5,
textRect.width() + 10, textRect.height() + 10));
painter->drawStaticText(xPosition, yPosition, QStaticText(m_name));
}
void SelectionHighlight::showName(const QPointF &displayPoint)
{
m_displayPoint = displayPoint;
m_nameDisplayActive = true;
QTimer::singleShot(1500, this, &SelectionHighlight::disableNameDisplay);
update();
}
void SelectionHighlight::disableNameDisplay()
{
m_nameDisplayActive = false;
update();
}
} // namespace QmlJSDebugger
QT_END_NAMESPACE
#include "moc_highlight.cpp"