diff options
Diffstat (limited to 'src/plugins/qmltooling/qmldbg_inspector/highlight.cpp')
| -rw-r--r-- | src/plugins/qmltooling/qmldbg_inspector/highlight.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_inspector/highlight.cpp b/src/plugins/qmltooling/qmldbg_inspector/highlight.cpp new file mode 100644 index 0000000000..4d4e3aa720 --- /dev/null +++ b/src/plugins/qmltooling/qmldbg_inspector/highlight.cpp @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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, SIGNAL(xChanged()), SLOT(adjust())); + connect(item, SIGNAL(yChanged()), SLOT(adjust())); + connect(item, SIGNAL(widthChanged()), SLOT(adjust())); + connect(item, SIGNAL(heightChanged()), SLOT(adjust())); + connect(item, SIGNAL(rotationChanged()), SLOT(adjust())); + connect(item, SIGNAL(transformOriginChanged(TransformOrigin)), + SLOT(adjust())); + } + QQuickWindow *view = item->window(); + QQuickItem * contentItem = view->contentItem(); + if (contentItem) { + connect(contentItem, SIGNAL(xChanged()), SLOT(adjust())); + connect(contentItem, SIGNAL(yChanged()), SLOT(adjust())); + connect(contentItem, SIGNAL(widthChanged()), SLOT(adjust())); + connect(contentItem, SIGNAL(heightChanged()), SLOT(adjust())); + connect(contentItem, SIGNAL(rotationChanged()), SLOT(adjust())); + connect(contentItem, SIGNAL(transformOriginChanged(TransformOrigin)), + SLOT(adjust())); + } + m_item = item; + setContentsSize(view->size()); + adjust(); +} + +void Highlight::adjust() +{ + if (!m_item) + return; + + bool success = false; + m_transform = m_item->itemTransform(0, &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, SLOT(disableNameDisplay())); + update(); +} + +void SelectionHighlight::disableNameDisplay() +{ + m_nameDisplayActive = false; + update(); +} + +} // namespace QmlJSDebugger + +QT_END_NAMESPACE |