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3 | ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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39 | |
40 | #include "keyboardhandler_p.h" |
41 | |
42 | #include <Qt3DInput/qkeyboarddevice.h> |
43 | #include <Qt3DInput/qkeyboardhandler.h> |
44 | #include <Qt3DCore/qpropertyupdatedchange.h> |
45 | #include <QtCore/QVariant> |
46 | |
47 | #include <Qt3DInput/private/inputhandler_p.h> |
48 | #include <Qt3DInput/private/inputmanagers_p.h> |
49 | #include <Qt3DInput/private/qkeyboardhandler_p.h> |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | |
53 | using namespace Qt3DCore; |
54 | |
55 | namespace Qt3DInput { |
56 | namespace Input { |
57 | |
58 | KeyboardHandler::KeyboardHandler() |
59 | : QBackendNode(QBackendNode::ReadWrite) |
60 | , m_inputHandler(nullptr) |
61 | , m_focus(false) |
62 | { |
63 | } |
64 | |
65 | void KeyboardHandler::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) |
66 | { |
67 | const auto typedChange = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<QKeyboardHandlerData>>(change); |
68 | const auto &data = typedChange->data; |
69 | setSourcerDevice(data.keyboardDeviceId); |
70 | m_focus = false; |
71 | if (data.focus) |
72 | requestFocus(); |
73 | } |
74 | |
75 | Qt3DCore::QNodeId KeyboardHandler::keyboardDevice() const |
76 | { |
77 | return m_keyboardDevice; |
78 | } |
79 | |
80 | void KeyboardHandler::setInputHandler(InputHandler *handler) |
81 | { |
82 | m_inputHandler = handler; |
83 | } |
84 | |
85 | // Called by the KeyboadDevice when the focus for the KeyboardHandler has changed |
86 | // Sends a change notification so that the frontend can update itself |
87 | void KeyboardHandler::setFocus(bool focus) |
88 | { |
89 | if (focus != m_focus) { |
90 | m_focus = focus; |
91 | auto e = Qt3DCore::QPropertyUpdatedChangePtr::create(peerId()); |
92 | e->setDeliveryFlags(Qt3DCore::QSceneChange::DeliverToAll); |
93 | e->setPropertyName("focus"); |
94 | e->setValue(m_focus); |
95 | notifyObservers(e); |
96 | } |
97 | } |
98 | |
99 | void KeyboardHandler::keyEvent(const QKeyEventPtr &event) |
100 | { |
101 | auto e = Qt3DCore::QPropertyUpdatedChangePtr::create(peerId()); |
102 | e->setDeliveryFlags(Qt3DCore::QSceneChange::DeliverToAll); |
103 | e->setPropertyName("event"); |
104 | e->setValue(QVariant::fromValue(event)); |
105 | notifyObservers(e); |
106 | } |
107 | |
108 | void KeyboardHandler::sceneChangeEvent(const QSceneChangePtr &e) |
109 | { |
110 | bool focusRequest = false; |
111 | if (e->type() == PropertyUpdated) { |
112 | QPropertyUpdatedChangePtr propertyChange = qSharedPointerCast<QPropertyUpdatedChange>(e); |
113 | if (propertyChange->propertyName() == QByteArrayLiteral("sourceDevice")) { |
114 | const QNodeId newId = propertyChange->value().value<QNodeId>(); |
115 | if (m_keyboardDevice != newId) { |
116 | setSourcerDevice(newId); |
117 | focusRequest = m_focus; |
118 | } |
119 | } else if (propertyChange->propertyName() == QByteArrayLiteral("focus")) { |
120 | focusRequest = propertyChange->value().toBool(); |
121 | } |
122 | } |
123 | if (focusRequest) |
124 | requestFocus(); |
125 | QBackendNode::sceneChangeEvent(e); |
126 | } |
127 | |
128 | void KeyboardHandler::requestFocus() |
129 | { |
130 | KeyboardDevice *keyboardDevice = m_inputHandler->keyboardDeviceManager()->lookupResource(m_keyboardDevice); |
131 | if (keyboardDevice && isEnabled()) |
132 | keyboardDevice->requestFocusForInput(peerId()); |
133 | } |
134 | |
135 | void KeyboardHandler::setSourcerDevice(QNodeId device) |
136 | { |
137 | m_keyboardDevice = device; |
138 | } |
139 | |
140 | KeyboardHandlerFunctor::KeyboardHandlerFunctor(InputHandler *handler) |
141 | : m_handler(handler) |
142 | { |
143 | } |
144 | |
145 | Qt3DCore::QBackendNode *KeyboardHandlerFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const |
146 | { |
147 | KeyboardHandler *input = m_handler->keyboardInputManager()->getOrCreateResource(change->subjectId()); |
148 | input->setInputHandler(m_handler); |
149 | return input; |
150 | } |
151 | |
152 | QBackendNode *KeyboardHandlerFunctor::get(QNodeId id) const |
153 | { |
154 | return m_handler->keyboardInputManager()->lookupResource(id); |
155 | } |
156 | |
157 | void KeyboardHandlerFunctor::destroy(QNodeId id) const |
158 | { |
159 | m_handler->keyboardInputManager()->releaseResource(id); |
160 | } |
161 | |
162 | } // namespace Input |
163 | } // namespace Qt3DInput |
164 | |
165 | QT_END_NAMESPACE |
166 |