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| ** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). |
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| |
| #include "inputsequence_p.h" |
| |
| #include <Qt3DInput/qabstractphysicaldevice.h> |
| #include <Qt3DInput/qinputsequence.h> |
| #include <QtCore/QDateTime> |
| |
| #include <Qt3DInput/private/inputhandler_p.h> |
| #include <Qt3DInput/private/qinputsequence_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DInput { |
| |
| namespace Input { |
| |
| InputSequence::InputSequence() |
| : AbstractActionInput() |
| , m_sequences() |
| , m_inputsToTrigger() |
| , m_timeout(0) |
| , m_buttonInterval(0) |
| , m_startTime(0) |
| , m_lastInputTime(0) |
| { |
| } |
| |
| void InputSequence::cleanup() |
| { |
| setEnabled(false); |
| m_timeout = 0; |
| m_buttonInterval = 0; |
| m_startTime = 0; |
| m_lastInputTime = 0; |
| m_lastInputId = Qt3DCore::QNodeId(); |
| m_sequences.clear(); |
| m_inputsToTrigger.clear(); |
| } |
| |
| void InputSequence::setStartTime(qint64 time) |
| { |
| m_startTime = time; |
| } |
| |
| void InputSequence::reset() |
| { |
| m_startTime = 0; |
| m_lastInputTime = 0; |
| m_inputsToTrigger = m_sequences; |
| m_lastInputId = Qt3DCore::QNodeId(); |
| } |
| |
| bool InputSequence::actionTriggered(Qt3DCore::QNodeId input, const qint64 currentTime) |
| { |
| if (input != m_inputsToTrigger.first()) |
| return false; |
| |
| // Save the last input |
| m_lastInputId = input; |
| // Return false if we've spent too much time in between two sequences |
| if ((m_lastInputTime != 0) && ((currentTime - m_lastInputTime) > m_buttonInterval)) { |
| reset(); |
| return false; |
| } |
| |
| // Update lastInputTime and remove the inputs to trigger from the sequence |
| m_lastInputTime = currentTime; |
| m_inputsToTrigger.removeOne(input); |
| |
| // If we have no more remaining inputs in the sequences of inputs |
| if (m_inputsToTrigger.isEmpty()) { |
| // All Triggered |
| reset(); |
| return true; |
| } |
| return false; |
| } |
| |
| void InputSequence::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
| { |
| AbstractActionInput::syncFromFrontEnd(frontEnd, firstTime); |
| const QInputSequence *node = qobject_cast<const QInputSequence *>(frontEnd); |
| if (!node) |
| return; |
| |
| m_timeout = milliToNano(node->timeout()); |
| m_buttonInterval = milliToNano(node->buttonInterval()); |
| m_sequences = Qt3DCore::qIdsForNodes(node->sequences()); |
| m_inputsToTrigger = m_sequences; |
| } |
| |
| bool InputSequence::process(InputHandler *inputHandler, qint64 currentTime) |
| { |
| if (!isEnabled()) |
| return false; |
| |
| if (m_startTime != 0) { |
| // Check if we are still inside the time limit for the sequence |
| if ((currentTime - m_startTime) > m_timeout) { |
| reset(); |
| return false; |
| } |
| } |
| |
| bool triggered = false; |
| for (const Qt3DCore::QNodeId &actionInputId : qAsConst(m_sequences)) { |
| AbstractActionInput *actionInput = inputHandler->lookupActionInput(actionInputId); |
| if (actionInput && actionInput->process(inputHandler, currentTime)) { |
| triggered |= actionTriggered(actionInputId, currentTime); |
| if (m_startTime == 0) |
| m_startTime = currentTime; |
| } |
| } |
| return triggered; |
| } |
| |
| } // namespace Input |
| |
| } // namespace Qt3DInput |
| |
| QT_END_NAMESPACE |
| |