| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "keyboardhandler_p.h" |
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| 5 | |
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| 6 | #include <Qt3DInput/qkeyboarddevice.h> |
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| 7 | #include <Qt3DInput/qkeyboardhandler.h> |
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| 8 | #include <QtCore/QVariant> |
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| 9 | |
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| 10 | #include <Qt3DInput/private/inputhandler_p.h> |
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| 11 | #include <Qt3DInput/private/inputmanagers_p.h> |
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| 12 | #include <Qt3DInput/private/qkeyboardhandler_p.h> |
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| 13 | |
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| 14 | QT_BEGIN_NAMESPACE |
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| 15 | |
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| 16 | |
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| 17 | namespace Qt3DInput { |
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| 18 | namespace Input { |
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| 19 | |
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| 20 | using namespace Qt3DCore; |
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| 21 | |
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| 22 | KeyboardHandler::KeyboardHandler() |
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| 23 | : BackendNode(QBackendNode::ReadWrite) |
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| 24 | , m_inputHandler(nullptr) |
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| 25 | , m_focus(false) |
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| 26 | { |
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| 27 | } |
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| 28 | |
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| 29 | Qt3DCore::QNodeId KeyboardHandler::keyboardDevice() const |
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| 30 | { |
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| 31 | return m_keyboardDevice; |
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| 32 | } |
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| 33 | |
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| 34 | void KeyboardHandler::setInputHandler(InputHandler *handler) |
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| 35 | { |
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| 36 | m_inputHandler = handler; |
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| 37 | } |
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| 38 | |
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| 39 | // Called by the KeyboadDevice when the focus for the KeyboardHandler has changed |
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| 40 | // Sends a change notification so that the frontend can update itself |
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| 41 | void KeyboardHandler::setFocus(bool focus) |
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| 42 | { |
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| 43 | if (focus != m_focus) |
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| 44 | m_focus = focus; |
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| 45 | } |
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| 46 | |
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| 47 | void KeyboardHandler::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
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| 48 | { |
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| 49 | BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
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| 50 | const Qt3DInput::QKeyboardHandler *node = qobject_cast<const Qt3DInput::QKeyboardHandler *>(object: frontEnd); |
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| 51 | if (!node) |
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| 52 | return; |
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| 53 | |
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| 54 | if (firstTime) |
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| 55 | m_focus = false; |
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| 56 | |
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| 57 | bool focusRequest = false; |
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| 58 | auto id = Qt3DCore::qIdForNode(node: node->sourceDevice()); |
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| 59 | if (m_keyboardDevice != id) { |
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| 60 | setSourcerDevice(id); |
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| 61 | focusRequest = m_focus; |
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| 62 | } |
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| 63 | |
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| 64 | if (m_focus != node->focus()) |
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| 65 | focusRequest = node->focus(); |
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| 66 | |
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| 67 | if (focusRequest) |
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| 68 | requestFocus(); |
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| 69 | } |
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| 70 | |
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| 71 | void KeyboardHandler::requestFocus() |
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| 72 | { |
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| 73 | KeyboardDevice *keyboardDevice = m_inputHandler->keyboardDeviceManager()->lookupResource(id: m_keyboardDevice); |
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| 74 | if (keyboardDevice && isEnabled()) |
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| 75 | keyboardDevice->requestFocusForInput(inputId: peerId()); |
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| 76 | } |
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| 77 | |
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| 78 | void KeyboardHandler::setSourcerDevice(QNodeId device) |
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| 79 | { |
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| 80 | m_keyboardDevice = device; |
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| 81 | } |
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| 82 | |
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| 83 | KeyboardHandlerFunctor::KeyboardHandlerFunctor(InputHandler *handler) |
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| 84 | : m_handler(handler) |
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| 85 | { |
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| 86 | } |
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| 87 | |
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| 88 | Qt3DCore::QBackendNode *KeyboardHandlerFunctor::create(Qt3DCore::QNodeId id) const |
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| 89 | { |
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| 90 | KeyboardHandler *input = m_handler->keyboardInputManager()->getOrCreateResource(id); |
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| 91 | input->setInputHandler(m_handler); |
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| 92 | return input; |
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| 93 | } |
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| 94 | |
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| 95 | QBackendNode *KeyboardHandlerFunctor::get(QNodeId id) const |
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| 96 | { |
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| 97 | return m_handler->keyboardInputManager()->lookupResource(id); |
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| 98 | } |
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| 99 | |
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| 100 | void KeyboardHandlerFunctor::destroy(QNodeId id) const |
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| 101 | { |
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| 102 | m_handler->keyboardInputManager()->releaseResource(id); |
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| 103 | } |
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| 104 | |
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| 105 | } // namespace Input |
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| 106 | } // namespace Qt3DInput |
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| 107 | |
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| 108 | QT_END_NAMESPACE |
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| 109 | |
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