| 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 | |