| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the QtQml module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU Lesser General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
| 19 | ** General Public License version 3 as published by the Free Software | 
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
| 21 | ** packaging of this file. Please review the following information to | 
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
| 24 | ** | 
| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
| 31 | ** included in the packaging of this file. Please review the following | 
| 32 | ** information to ensure the GNU General Public License requirements will | 
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "inspecttool.h" | 
| 41 | #include "highlight.h" | 
| 42 | #include "qquickwindowinspector.h" | 
| 43 | #include "globalinspector.h" | 
| 44 |  | 
| 45 | #include <QtCore/QLineF> | 
| 46 |  | 
| 47 | #include <QtGui/QMouseEvent> | 
| 48 | #include <QtGui/QTouchEvent> | 
| 49 | #include <QtGui/QKeyEvent> | 
| 50 | #include <QtGui/QGuiApplication> | 
| 51 | #include <QtGui/QStyleHints> | 
| 52 |  | 
| 53 | #include <QtQuick/QQuickView> | 
| 54 | #include <QtQuick/QQuickItem> | 
| 55 |  | 
| 56 | QT_BEGIN_NAMESPACE | 
| 57 |  | 
| 58 | namespace QmlJSDebugger { | 
| 59 |  | 
| 60 | InspectTool::InspectTool(QQuickWindowInspector *inspector, QQuickWindow *view) : | 
| 61 |     QObject(inspector), | 
| 62 |     m_contentItem(view->contentItem()), | 
| 63 |     m_touchTimestamp(0), | 
| 64 |     m_hoverHighlight(new HoverHighlight(inspector->overlay())), | 
| 65 |     m_lastItem(nullptr), | 
| 66 |     m_lastClickedItem(nullptr) | 
| 67 | { | 
| 68 |     //Timer to display selected item's name | 
| 69 |     m_nameDisplayTimer.setSingleShot(true); | 
| 70 |     m_nameDisplayTimer.setInterval(QGuiApplication::styleHints()->mouseDoubleClickInterval()); | 
| 71 |     connect(sender: &m_nameDisplayTimer, signal: &QTimer::timeout, receiver: this, slot: &InspectTool::showItemName); | 
| 72 | } | 
| 73 |  | 
| 74 | void InspectTool::enterEvent(QEvent *) | 
| 75 | { | 
| 76 |     m_hoverHighlight->setVisible(true); | 
| 77 | } | 
| 78 |  | 
| 79 | void InspectTool::leaveEvent(QEvent *) | 
| 80 | { | 
| 81 |     m_hoverHighlight->setVisible(false); | 
| 82 | } | 
| 83 |  | 
| 84 | void InspectTool::mousePressEvent(QMouseEvent *event) | 
| 85 | { | 
| 86 |     m_mousePosition = event->localPos(); | 
| 87 |     if (event->button() == Qt::LeftButton) { | 
| 88 |         selectItem(); | 
| 89 |         m_hoverHighlight->setVisible(false); | 
| 90 |     } | 
| 91 | } | 
| 92 |  | 
| 93 | void InspectTool::mouseDoubleClickEvent(QMouseEvent *event) | 
| 94 | { | 
| 95 |     m_mousePosition = event->localPos(); | 
| 96 |     if (event->button() == Qt::LeftButton) { | 
| 97 |         selectNextItem(); | 
| 98 |         m_hoverHighlight->setVisible(false); | 
| 99 |     } | 
| 100 | } | 
| 101 |  | 
| 102 | void InspectTool::mouseMoveEvent(QMouseEvent *event) | 
| 103 | { | 
| 104 |     hoverMoveEvent(event); | 
| 105 | } | 
| 106 |  | 
| 107 | void InspectTool::hoverMoveEvent(QMouseEvent *event) | 
| 108 | { | 
| 109 |     m_mousePosition = event->localPos(); | 
| 110 |     QQuickItem *item = inspector()->topVisibleItemAt(pos: event->pos()); | 
| 111 |     if (!item || item == m_lastClickedItem) { | 
| 112 |         m_hoverHighlight->setVisible(false); | 
| 113 |     } else { | 
| 114 |         m_hoverHighlight->setItem(item); | 
| 115 |         m_hoverHighlight->setVisible(true); | 
| 116 |     } | 
| 117 | } | 
| 118 |  | 
| 119 | void InspectTool::touchEvent(QTouchEvent *event) | 
| 120 | { | 
| 121 |     QList<QTouchEvent::TouchPoint> touchPoints = event->touchPoints(); | 
| 122 |  | 
| 123 |     switch (event->type()) { | 
| 124 |     case QEvent::TouchBegin: | 
| 125 |         if (touchPoints.count() == 1 && (event->touchPointStates() & Qt::TouchPointPressed)) { | 
| 126 |             m_mousePosition = touchPoints.first().pos(); | 
| 127 |             m_tapEvent = true; | 
| 128 |         } else { | 
| 129 |             m_tapEvent = false; | 
| 130 |         } | 
| 131 |         break; | 
| 132 |     case QEvent::TouchUpdate: { | 
| 133 |         if (touchPoints.count() > 1) | 
| 134 |             m_tapEvent = false; | 
| 135 |         else if ((touchPoints.count() == 1) && (event->touchPointStates() & Qt::TouchPointMoved)) | 
| 136 |             m_mousePosition = touchPoints.first().pos(); | 
| 137 |         break; | 
| 138 |     } | 
| 139 |     case QEvent::TouchEnd: { | 
| 140 |         if (touchPoints.count() == 1 && m_tapEvent) { | 
| 141 |             m_tapEvent = false; | 
| 142 |             bool doubleTap = event->timestamp() - m_touchTimestamp | 
| 143 |                     < static_cast<ulong>(QGuiApplication::styleHints()->mouseDoubleClickInterval()); | 
| 144 |             if (doubleTap) { | 
| 145 |                 m_nameDisplayTimer.stop(); | 
| 146 |                 selectNextItem(); | 
| 147 |             } else { | 
| 148 |                 selectItem(); | 
| 149 |             } | 
| 150 |             m_touchTimestamp = event->timestamp(); | 
| 151 |         } | 
| 152 |         break; | 
| 153 |     } | 
| 154 |     default: | 
| 155 |         break; | 
| 156 |     } | 
| 157 | } | 
| 158 |  | 
| 159 | void InspectTool::selectNextItem() | 
| 160 | { | 
| 161 |     if (m_lastClickedItem != inspector()->topVisibleItemAt(pos: m_mousePosition)) | 
| 162 |         return; | 
| 163 |     QList<QQuickItem*> items = inspector()->itemsAt(pos: m_mousePosition); | 
| 164 |     for (int i = 0; i < items.count(); i++) { | 
| 165 |         if (m_lastItem == items[i]) { | 
| 166 |             if (i + 1 < items.count()) | 
| 167 |                 m_lastItem = items[i+1]; | 
| 168 |             else | 
| 169 |                 m_lastItem = items[0]; | 
| 170 |             globalInspector()->setSelectedItems(QList<QQuickItem*>() << m_lastItem); | 
| 171 |             showItemName(); | 
| 172 |             break; | 
| 173 |         } | 
| 174 |     } | 
| 175 | } | 
| 176 |  | 
| 177 | void InspectTool::selectItem() | 
| 178 | { | 
| 179 |     if (!inspector()->topVisibleItemAt(pos: m_mousePosition)) | 
| 180 |         return; | 
| 181 |     m_lastClickedItem = inspector()->topVisibleItemAt(pos: m_mousePosition); | 
| 182 |     m_lastItem = m_lastClickedItem; | 
| 183 |     globalInspector()->setSelectedItems(QList<QQuickItem*>() << m_lastClickedItem); | 
| 184 |     if (m_lastClickedItem == inspector()->topVisibleItemAt(pos: m_mousePosition)) { | 
| 185 |         m_nameDisplayTimer.start(); | 
| 186 |     } else { | 
| 187 |         showItemName(); | 
| 188 |     } | 
| 189 | } | 
| 190 |  | 
| 191 | void InspectTool::showItemName() | 
| 192 | { | 
| 193 |     globalInspector()->showSelectedItemName(item: m_lastItem, point: m_mousePosition); | 
| 194 | } | 
| 195 |  | 
| 196 | QQuickWindowInspector *InspectTool::inspector() const | 
| 197 | { | 
| 198 |     return static_cast<QQuickWindowInspector *>(parent()); | 
| 199 | } | 
| 200 |  | 
| 201 | GlobalInspector *InspectTool::globalInspector() const | 
| 202 | { | 
| 203 |     return static_cast<GlobalInspector *>(parent()->parent()); | 
| 204 | } | 
| 205 |  | 
| 206 | } // namespace QmlJSDebugger | 
| 207 |  | 
| 208 | QT_END_NAMESPACE | 
| 209 |  | 
| 210 | #include "moc_inspecttool.cpp" | 
| 211 |  |