| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** |
| ** This file is part of the QtQml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #include "qquickwindowinspector.h" |
| #include "inspecttool.h" |
| |
| #include <private/qquickitem_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QmlJSDebugger { |
| |
| /* |
| * Returns the first visible item at the given position, or 0 when no such |
| * child exists. |
| */ |
| static QQuickItem *itemAt(QQuickItem *item, const QPointF &pos, |
| QQuickItem *overlay) |
| { |
| if (item == overlay) |
| return nullptr; |
| |
| if (!item->isVisible() || item->opacity() == 0.0) |
| return nullptr; |
| |
| if (item->flags() & QQuickItem::ItemClipsChildrenToShape) { |
| if (!QRectF(0, 0, item->width(), item->height()).contains(pos)) |
| return nullptr; |
| } |
| |
| QList<QQuickItem *> children = QQuickItemPrivate::get(item)->paintOrderChildItems(); |
| for (int i = children.count() - 1; i >= 0; --i) { |
| QQuickItem *child = children.at(i); |
| if (QQuickItem *betterCandidate = itemAt(child, item->mapToItem(child, pos), |
| overlay)) |
| return betterCandidate; |
| } |
| |
| if (!(item->flags() & QQuickItem::ItemHasContents)) |
| return nullptr; |
| |
| if (!QRectF(0, 0, item->width(), item->height()).contains(pos)) |
| return nullptr; |
| |
| return item; |
| } |
| |
| /* |
| * Collects all the items at the given position, from top to bottom. |
| */ |
| static void collectItemsAt(QQuickItem *item, const QPointF &pos, |
| QQuickItem *overlay, QList<QQuickItem *> &resultList) |
| { |
| if (item == overlay) |
| return; |
| |
| if (item->flags() & QQuickItem::ItemClipsChildrenToShape) { |
| if (!QRectF(0, 0, item->width(), item->height()).contains(pos)) |
| return; |
| } |
| |
| QList<QQuickItem *> children = QQuickItemPrivate::get(item)->paintOrderChildItems(); |
| for (int i = children.count() - 1; i >= 0; --i) { |
| QQuickItem *child = children.at(i); |
| collectItemsAt(child, item->mapToItem(child, pos), overlay, resultList); |
| } |
| |
| if (!QRectF(0, 0, item->width(), item->height()).contains(pos)) |
| return; |
| |
| resultList.append(item); |
| } |
| |
| QQuickWindowInspector::QQuickWindowInspector(QQuickWindow *quickWindow, QObject *parent) : |
| QObject(parent), |
| m_overlay(new QQuickItem), |
| m_window(quickWindow), |
| m_parentWindow(nullptr), |
| m_tool(nullptr) |
| { |
| setParentWindow(quickWindow); |
| |
| // Try to make sure the overlay is always on top |
| m_overlay->setZ(FLT_MAX); |
| |
| if (QQuickItem *root = m_window->contentItem()) |
| m_overlay->setParentItem(root); |
| |
| m_window->installEventFilter(this); |
| } |
| |
| bool QQuickWindowInspector::eventFilter(QObject *obj, QEvent *event) |
| { |
| if (!m_tool || obj != m_window) |
| return QObject::eventFilter(obj, event); |
| |
| switch (event->type()) { |
| case QEvent::Enter: |
| m_tool->enterEvent(event); |
| return true; |
| case QEvent::Leave: |
| m_tool->leaveEvent(event); |
| return true; |
| case QEvent::MouseButtonPress: |
| m_tool->mousePressEvent(static_cast<QMouseEvent*>(event)); |
| return true; |
| case QEvent::MouseMove: |
| m_tool->mouseMoveEvent(static_cast<QMouseEvent*>(event)); |
| return true; |
| case QEvent::MouseButtonRelease: |
| return true; |
| case QEvent::KeyPress: |
| m_tool->keyPressEvent(static_cast<QKeyEvent*>(event)); |
| return true; |
| case QEvent::KeyRelease: |
| return true; |
| case QEvent::MouseButtonDblClick: |
| m_tool->mouseDoubleClickEvent(static_cast<QMouseEvent*>(event)); |
| return true; |
| #if QT_CONFIG(wheelevent) |
| case QEvent::Wheel: |
| return true; |
| #endif |
| case QEvent::TouchBegin: |
| case QEvent::TouchUpdate: |
| case QEvent::TouchEnd: |
| m_tool->touchEvent(static_cast<QTouchEvent*>(event)); |
| return true; |
| default: |
| break; |
| } |
| |
| return QObject::eventFilter(obj, event); |
| } |
| |
| static Qt::WindowFlags fixFlags(Qt::WindowFlags flags) |
| { |
| // If only the type flag is given, some other window flags are automatically assumed. When we |
| // add a flag, we need to make those explicit. |
| switch (flags) { |
| case Qt::Window: |
| return flags | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint |
| | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint; |
| case Qt::Dialog: |
| case Qt::Tool: |
| return flags | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint; |
| default: |
| return flags; |
| } |
| } |
| |
| void QQuickWindowInspector::setShowAppOnTop(bool appOnTop) |
| { |
| if (!m_parentWindow) |
| return; |
| |
| Qt::WindowFlags flags = m_parentWindow->flags(); |
| Qt::WindowFlags newFlags = appOnTop ? (fixFlags(flags) | Qt::WindowStaysOnTopHint) : |
| (flags & ~Qt::WindowStaysOnTopHint); |
| if (newFlags != flags) |
| m_parentWindow->setFlags(newFlags); |
| } |
| |
| bool QQuickWindowInspector::isEnabled() const |
| { |
| return m_tool != nullptr; |
| } |
| |
| void QQuickWindowInspector::setEnabled(bool enabled) |
| { |
| if (enabled) { |
| m_tool = new InspectTool(this, m_window); |
| } else { |
| delete m_tool; |
| m_tool = nullptr; |
| } |
| } |
| |
| QQuickWindow *QQuickWindowInspector::quickWindow() const |
| { |
| return m_window; |
| } |
| |
| void QQuickWindowInspector::setParentWindow(QWindow *parentWindow) |
| { |
| if (parentWindow) { |
| while (QWindow *w = parentWindow->parent()) |
| parentWindow = w; |
| } |
| |
| m_parentWindow = parentWindow; |
| } |
| |
| QList<QQuickItem *> QQuickWindowInspector::itemsAt(const QPointF &pos) const |
| { |
| QList<QQuickItem *> resultList; |
| QQuickItem *root = m_window->contentItem(); |
| collectItemsAt(root, root->mapFromScene(pos), m_overlay, |
| resultList); |
| return resultList; |
| } |
| |
| QQuickItem *QQuickWindowInspector::topVisibleItemAt(const QPointF &pos) const |
| { |
| QQuickItem *root = m_window->contentItem(); |
| return itemAt(root, root->mapFromScene(pos), m_overlay); |
| } |
| |
| |
| } // namespace QmlJSDebugger |
| |
| QT_END_NAMESPACE |
| |
| #include "moc_qquickwindowinspector.cpp" |