| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 16 | ** | 
| 17 | ** GNU Lesser General Public License Usage | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 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 | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "inputhandler_p.h" | 
| 41 |  | 
| 42 | #include <Qt3DInput/private/assignkeyboardfocusjob_p.h> | 
| 43 | #include <Qt3DInput/private/eventsourcesetterhelper_p.h> | 
| 44 | #include <Qt3DInput/private/inputmanagers_p.h> | 
| 45 | #include <Qt3DInput/private/inputsettings_p.h> | 
| 46 | #include <Qt3DInput/private/keyboardeventfilter_p.h> | 
| 47 | #include <Qt3DInput/private/keyeventdispatcherjob_p.h> | 
| 48 | #include <Qt3DInput/private/mouseeventdispatcherjob_p.h> | 
| 49 | #include <Qt3DInput/private/mouseeventfilter_p.h> | 
| 50 | #include <Qt3DInput/private/qinputdeviceintegration_p.h> | 
| 51 | #include <Qt3DCore/private/qeventfilterservice_p.h> | 
| 52 |  | 
| 53 | QT_BEGIN_NAMESPACE | 
| 54 |  | 
| 55 | using namespace Qt3DCore; | 
| 56 |  | 
| 57 | namespace Qt3DInput { | 
| 58 | namespace Input { | 
| 59 |  | 
| 60 | InputHandler::InputHandler() | 
| 61 |     : m_keyboardDeviceManager(new KeyboardDeviceManager()) | 
| 62 |     , m_keyboardInputManager(new KeyboardInputManager()) | 
| 63 |     , m_mouseDeviceManager(new MouseDeviceManager()) | 
| 64 |     , m_mouseInputManager(new MouseInputManager()) | 
| 65 |     , m_keyboardEventFilter(new KeyboardEventFilter()) | 
| 66 |     , m_mouseEventFilter(new MouseEventFilter()) | 
| 67 |     , m_axisManager(new AxisManager()) | 
| 68 |     , m_axisAccumulatorManager(new AxisAccumulatorManager()) | 
| 69 |     , m_actionManager(new ActionManager()) | 
| 70 |     , m_axisSettingManager(new AxisSettingManager()) | 
| 71 |     , m_actionInputManager(new ActionInputManager()) | 
| 72 |     , m_analogAxisInputManager(new AnalogAxisInputManager()) | 
| 73 |     , m_buttonAxisInputManager(new ButtonAxisInputManager()) | 
| 74 |     , m_inputChordManager(new InputChordManager()) | 
| 75 |     , m_inputSequenceManager(new InputSequenceManager()) | 
| 76 |     , m_logicalDeviceManager(new LogicalDeviceManager()) | 
| 77 |     , m_genericPhysicalDeviceBackendNodeManager(new GenericDeviceBackendNodeManager) | 
| 78 |     , m_physicalDeviceProxyManager(new PhysicalDeviceProxyManager()) | 
| 79 |     , m_settings(nullptr) | 
| 80 |     , m_eventSourceSetter(new Qt3DInput::Input::EventSourceSetterHelper(this)) | 
| 81 | { | 
| 82 |     m_keyboardEventFilter->setInputHandler(this); | 
| 83 |     m_mouseEventFilter->setInputHandler(this); | 
| 84 |  | 
| 85 |     // Created in the main thread | 
| 86 |     // m_eventSourceSetter needs to be in the main thread | 
| 87 | } | 
| 88 |  | 
| 89 | InputHandler::~InputHandler() | 
| 90 | { | 
| 91 |     delete m_keyboardDeviceManager; | 
| 92 |     delete m_keyboardInputManager; | 
| 93 |     delete m_mouseDeviceManager; | 
| 94 |     delete m_mouseInputManager; | 
| 95 |     delete m_keyboardEventFilter; | 
| 96 |     delete m_mouseEventFilter; | 
| 97 |     delete m_axisManager; | 
| 98 |     delete m_axisAccumulatorManager; | 
| 99 |     delete m_actionManager; | 
| 100 |     delete m_axisSettingManager; | 
| 101 |     delete m_analogAxisInputManager; | 
| 102 |     delete m_buttonAxisInputManager; | 
| 103 |     delete m_actionInputManager; | 
| 104 |     delete m_inputChordManager; | 
| 105 |     delete m_inputSequenceManager; | 
| 106 |     delete m_logicalDeviceManager; | 
| 107 |     delete m_genericPhysicalDeviceBackendNodeManager; | 
| 108 |     delete m_physicalDeviceProxyManager; | 
| 109 | } | 
| 110 |  | 
| 111 | // Called in MainThread (by the EventSourceHelperSetter) | 
| 112 | void InputHandler::registerEventFilters(QEventFilterService *service) | 
| 113 | { | 
| 114 |     clearPendingKeyEvents(); | 
| 115 |     clearPendingMouseEvents(); | 
| 116 |  | 
| 117 |     service->registerEventFilter(eventFilter: m_keyboardEventFilter, priority: 512); | 
| 118 |     service->registerEventFilter(eventFilter: m_mouseEventFilter, priority: 513); | 
| 119 | } | 
| 120 |  | 
| 121 | void InputHandler::unregisterEventFilters(Qt3DCore::QEventFilterService *service) | 
| 122 | { | 
| 123 |     service->unregisterEventFilter(eventFilter: m_keyboardEventFilter); | 
| 124 |     service->unregisterEventFilter(eventFilter: m_mouseEventFilter); | 
| 125 | } | 
| 126 |  | 
| 127 | // Called by the keyboardEventFilter in the main thread | 
| 128 | void InputHandler::appendKeyEvent(const QT_PREPEND_NAMESPACE(QKeyEvent) &event) | 
| 129 | { | 
| 130 |     m_pendingKeyEvents.append(t: event); | 
| 131 | } | 
| 132 |  | 
| 133 | // Called by QInputASpect::jobsToExecute (Main Thread) | 
| 134 | QList<QT_PREPEND_NAMESPACE(QKeyEvent)> InputHandler::pendingKeyEvents() | 
| 135 | { | 
| 136 |     return std::move(m_pendingKeyEvents); | 
| 137 | } | 
| 138 |  | 
| 139 | // Called by QInputASpect::jobsToExecute (Main Thread) | 
| 140 | void InputHandler::clearPendingKeyEvents() | 
| 141 | { | 
| 142 |     m_pendingKeyEvents.clear(); | 
| 143 | } | 
| 144 |  | 
| 145 | // Main Thread | 
| 146 | void InputHandler::appendMouseEvent(const QT_PREPEND_NAMESPACE(QMouseEvent) &event) | 
| 147 | { | 
| 148 |     m_pendingMouseEvents.append(t: event); | 
| 149 | } | 
| 150 |  | 
| 151 | // Main Thread | 
| 152 | QList<QT_PREPEND_NAMESPACE(QMouseEvent)> InputHandler::pendingMouseEvents() | 
| 153 | { | 
| 154 |     return std::move(m_pendingMouseEvents); | 
| 155 | } | 
| 156 |  | 
| 157 | // Main Thread | 
| 158 | void InputHandler::clearPendingMouseEvents() | 
| 159 | { | 
| 160 |     m_pendingMouseEvents.clear(); | 
| 161 | } | 
| 162 |  | 
| 163 | #if QT_CONFIG(wheelevent) | 
| 164 | // Main Thread | 
| 165 | void InputHandler::appendWheelEvent(const QT_PREPEND_NAMESPACE(QWheelEvent) &event) | 
| 166 | { | 
| 167 |     m_pendingWheelEvents.append(t: event); | 
| 168 | } | 
| 169 |  | 
| 170 | // Main Thread | 
| 171 | QList<QT_PREPEND_NAMESPACE (QWheelEvent)> Qt3DInput::Input::InputHandler::pendingWheelEvents() | 
| 172 | { | 
| 173 |     return std::move(m_pendingWheelEvents); | 
| 174 | } | 
| 175 |  | 
| 176 | // Main Thread | 
| 177 | void InputHandler::clearPendingWheelEvents() | 
| 178 | { | 
| 179 |     m_pendingWheelEvents.clear(); | 
| 180 | } | 
| 181 | #endif | 
| 182 |  | 
| 183 | void InputHandler::appendKeyboardDevice(HKeyboardDevice device) | 
| 184 | { | 
| 185 |     m_activeKeyboardDevices.append(t: device); | 
| 186 | } | 
| 187 |  | 
| 188 | void InputHandler::removeKeyboardDevice(HKeyboardDevice device) | 
| 189 | { | 
| 190 |     m_activeKeyboardDevices.removeAll(t: device); | 
| 191 | } | 
| 192 |  | 
| 193 | void InputHandler::appendMouseDevice(HMouseDevice device) | 
| 194 | { | 
| 195 |     m_activeMouseDevices.append(t: device); | 
| 196 | } | 
| 197 |  | 
| 198 | void InputHandler::removeMouseDevice(HMouseDevice device) | 
| 199 | { | 
| 200 |     m_activeMouseDevices.removeAll(t: device); | 
| 201 | } | 
| 202 |  | 
| 203 | void Qt3DInput::Input::InputHandler::appendGenericDevice(HGenericDeviceBackendNode device) | 
| 204 | { | 
| 205 |     m_activeGenericPhysicalDevices.append(t: device); | 
| 206 | } | 
| 207 |  | 
| 208 | void Qt3DInput::Input::InputHandler::removeGenericDevice(HGenericDeviceBackendNode device) | 
| 209 | { | 
| 210 |     m_activeGenericPhysicalDevices.removeAll(t: device); | 
| 211 | } | 
| 212 |  | 
| 213 | // Return a vector of jobs to be performed for keyboard events | 
| 214 | // Handles all dependencies between jobs | 
| 215 | QVector<Qt3DCore::QAspectJobPtr> InputHandler::keyboardJobs() | 
| 216 | { | 
| 217 |     // One job for Keyboard focus change event per Keyboard device | 
| 218 |     QVector<QAspectJobPtr> jobs; | 
| 219 |     const QList<QT_PREPEND_NAMESPACE(QKeyEvent)> events = pendingKeyEvents(); | 
| 220 |  | 
| 221 |     for (const HKeyboardDevice &cHandle : qAsConst(t&: m_activeKeyboardDevices)) { | 
| 222 |         KeyboardDevice *keyboardDevice = m_keyboardDeviceManager->data(handle: cHandle); | 
| 223 |         if (keyboardDevice) { | 
| 224 |             keyboardDevice->updateKeyEvents(events); | 
| 225 |             bool haveFocusChangeJob = false; | 
| 226 |             if (keyboardDevice->lastKeyboardInputRequester() != keyboardDevice->currentFocusItem()) { | 
| 227 |                 auto job = QSharedPointer<AssignKeyboardFocusJob>::create(arguments: keyboardDevice->peerId()); | 
| 228 |                 job->setInputHandler(this); | 
| 229 |                 haveFocusChangeJob= true; | 
| 230 |                 jobs.append(t: std::move(job)); | 
| 231 |                 // One job for Keyboard events (depends on the focus change job if there was one) | 
| 232 |             } | 
| 233 |             // Event dispacthing job | 
| 234 |             if (!events.isEmpty()) { | 
| 235 |                 auto job = QSharedPointer<KeyEventDispatcherJob>::create(arguments: keyboardDevice->currentFocusItem(), arguments: events); | 
| 236 |                 job->setInputHandler(this); | 
| 237 |                 if (haveFocusChangeJob) | 
| 238 |                     job->addDependency(dependency: qAsConst(t&: jobs).back()); | 
| 239 |                 jobs.append(t: std::move(job)); | 
| 240 |             } | 
| 241 |         } | 
| 242 |     } | 
| 243 |     return jobs; | 
| 244 | } | 
| 245 |  | 
| 246 | QVector<Qt3DCore::QAspectJobPtr> InputHandler::mouseJobs() | 
| 247 | { | 
| 248 |     QVector<QAspectJobPtr> jobs; | 
| 249 |     const QList<QT_PREPEND_NAMESPACE(QMouseEvent)> mouseEvents = pendingMouseEvents(); | 
| 250 | #if QT_CONFIG(wheelevent) | 
| 251 |     const QList<QT_PREPEND_NAMESPACE(QWheelEvent)> wheelEvents = pendingWheelEvents(); | 
| 252 | #endif | 
| 253 |     for (const HMouseDevice &cHandle : qAsConst(t&: m_activeMouseDevices)) { | 
| 254 |         MouseDevice *controller = m_mouseDeviceManager->data(handle: cHandle); | 
| 255 |  | 
| 256 |         controller->updateMouseEvents(events: mouseEvents); | 
| 257 | #if QT_CONFIG(wheelevent) | 
| 258 |         controller->updateWheelEvents(events: wheelEvents); | 
| 259 | #endif | 
| 260 |         // Event dispacthing job | 
| 261 |         if (!mouseEvents.isEmpty() | 
| 262 | #if QT_CONFIG(wheelevent) | 
| 263 |             || !wheelEvents.empty() | 
| 264 | #endif | 
| 265 |                                     ) { | 
| 266 |             // Send the events to the mouse handlers that have for sourceDevice controller | 
| 267 |             const std::vector<HMouseHandler> &activeMouseHandlers = m_mouseInputManager->activeHandles(); | 
| 268 |             for (const HMouseHandler &mouseHandlerHandle : activeMouseHandlers) { | 
| 269 |  | 
| 270 |                 MouseHandler *mouseHandler = m_mouseInputManager->data(handle: mouseHandlerHandle); | 
| 271 |                 Q_ASSERT(mouseHandler); | 
| 272 |  | 
| 273 |                 if (mouseHandler->mouseDevice() == controller->peerId()) { | 
| 274 |                     MouseEventDispatcherJob *job = new MouseEventDispatcherJob(mouseHandler->peerId(), | 
| 275 |                                                                                mouseEvents | 
| 276 | #if QT_CONFIG(wheelevent) | 
| 277 |                                                                              , wheelEvents | 
| 278 | #endif | 
| 279 |                                                                                            ); | 
| 280 |                     job->setInputHandler(this); | 
| 281 |                     jobs.append(t: QAspectJobPtr(job)); | 
| 282 |                 } | 
| 283 |             } | 
| 284 |         } | 
| 285 |     } | 
| 286 |  | 
| 287 |     return jobs; | 
| 288 | } | 
| 289 |  | 
| 290 | QVector<QInputDeviceIntegration *> InputHandler::inputDeviceIntegrations() const | 
| 291 | { | 
| 292 |     return m_inputDeviceIntegrations; | 
| 293 | } | 
| 294 |  | 
| 295 | void InputHandler::addInputDeviceIntegration(QInputDeviceIntegration *inputIntegration) | 
| 296 | { | 
| 297 |     m_inputDeviceIntegrations.push_back(t: inputIntegration); | 
| 298 | } | 
| 299 |  | 
| 300 | void InputHandler::setInputSettings(InputSettings *settings) | 
| 301 | { | 
| 302 |     if (m_settings && settings == nullptr) | 
| 303 |         m_eventSourceSetter->unsetEventSource(eventSource: m_settings->eventSource()); | 
| 304 |     m_settings = settings; | 
| 305 | } | 
| 306 |  | 
| 307 | void InputHandler::setEventSourceHelper(EventSourceSetterHelper *helper) | 
| 308 | { | 
| 309 |     m_eventSourceSetter.reset(other: helper); | 
| 310 | } | 
| 311 |  | 
| 312 | EventSourceSetterHelper *InputHandler::eventSourceHelper() const | 
| 313 | { | 
| 314 |     return m_eventSourceSetter.data(); | 
| 315 | } | 
| 316 |  | 
| 317 | QAbstractPhysicalDevice *Qt3DInput::Input::InputHandler::createPhysicalDevice(const QString &name) | 
| 318 | { | 
| 319 |     QAbstractPhysicalDevice *device = nullptr; | 
| 320 |     for (Qt3DInput::QInputDeviceIntegration *integration : qAsConst(t&: m_inputDeviceIntegrations)) { | 
| 321 |         if ((device = integration->createPhysicalDevice(name)) != nullptr) | 
| 322 |             break; | 
| 323 |     } | 
| 324 |     return device; | 
| 325 | } | 
| 326 |  | 
| 327 | void InputHandler::updateEventSource() | 
| 328 | { | 
| 329 |     if (m_settings != nullptr) { | 
| 330 |         // Will be updated only if eventSource is different than | 
| 331 |         // what was set last | 
| 332 |         QObject *eventSource = m_settings->eventSource(); | 
| 333 |         m_eventSourceSetter->setEventSource(eventSource); | 
| 334 |     } | 
| 335 | } | 
| 336 |  | 
| 337 | AbstractActionInput *InputHandler::lookupActionInput(Qt3DCore::QNodeId id) const | 
| 338 | { | 
| 339 |     AbstractActionInput *input = nullptr; | 
| 340 |     if ((input = actionInputManager()->lookupResource(id)) != nullptr) | 
| 341 |         return input; | 
| 342 |     if ((input = inputSequenceManager()->lookupResource(id)) != nullptr) | 
| 343 |         return input; | 
| 344 |     return inputChordManager()->lookupResource(id); // nullptr if not found | 
| 345 | } | 
| 346 |  | 
| 347 | } // namespace Input | 
| 348 | } // namespace Qt3DInput | 
| 349 |  | 
| 350 | QT_END_NAMESPACE | 
| 351 |  |