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| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| |
| #include "keyboardhandler_p.h" |
| |
| #include <Qt3DInput/qkeyboarddevice.h> |
| #include <Qt3DInput/qkeyboardhandler.h> |
| #include <QtCore/QVariant> |
| |
| #include <Qt3DInput/private/inputhandler_p.h> |
| #include <Qt3DInput/private/inputmanagers_p.h> |
| #include <Qt3DInput/private/qkeyboardhandler_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace Qt3DInput { |
| namespace Input { |
| |
| KeyboardHandler::KeyboardHandler() |
| : BackendNode(QBackendNode::ReadWrite) |
| , m_inputHandler(nullptr) |
| , m_focus(false) |
| { |
| } |
| |
| Qt3DCore::QNodeId KeyboardHandler::keyboardDevice() const |
| { |
| return m_keyboardDevice; |
| } |
| |
| void KeyboardHandler::setInputHandler(InputHandler *handler) |
| { |
| m_inputHandler = handler; |
| } |
| |
| // Called by the KeyboadDevice when the focus for the KeyboardHandler has changed |
| // Sends a change notification so that the frontend can update itself |
| void KeyboardHandler::setFocus(bool focus) |
| { |
| if (focus != m_focus) |
| m_focus = focus; |
| } |
| |
| void KeyboardHandler::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
| { |
| BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
| const Qt3DInput::QKeyboardHandler *node = qobject_cast<const Qt3DInput::QKeyboardHandler *>(frontEnd); |
| if (!node) |
| return; |
| |
| if (firstTime) |
| m_focus = false; |
| |
| bool focusRequest = false; |
| auto id = Qt3DCore::qIdForNode(node->sourceDevice()); |
| if (m_keyboardDevice != id) { |
| setSourcerDevice(id); |
| focusRequest = m_focus; |
| } |
| |
| if (m_focus != node->focus()) |
| focusRequest = node->focus(); |
| |
| if (focusRequest) |
| requestFocus(); |
| } |
| |
| void KeyboardHandler::requestFocus() |
| { |
| KeyboardDevice *keyboardDevice = m_inputHandler->keyboardDeviceManager()->lookupResource(m_keyboardDevice); |
| if (keyboardDevice && isEnabled()) |
| keyboardDevice->requestFocusForInput(peerId()); |
| } |
| |
| void KeyboardHandler::setSourcerDevice(QNodeId device) |
| { |
| m_keyboardDevice = device; |
| } |
| |
| KeyboardHandlerFunctor::KeyboardHandlerFunctor(InputHandler *handler) |
| : m_handler(handler) |
| { |
| } |
| |
| Qt3DCore::QBackendNode *KeyboardHandlerFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const |
| { |
| KeyboardHandler *input = m_handler->keyboardInputManager()->getOrCreateResource(change->subjectId()); |
| input->setInputHandler(m_handler); |
| return input; |
| } |
| |
| QBackendNode *KeyboardHandlerFunctor::get(QNodeId id) const |
| { |
| return m_handler->keyboardInputManager()->lookupResource(id); |
| } |
| |
| void KeyboardHandlerFunctor::destroy(QNodeId id) const |
| { |
| m_handler->keyboardInputManager()->releaseResource(id); |
| } |
| |
| } // namespace Input |
| } // namespace Qt3DInput |
| |
| QT_END_NAMESPACE |