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39
40#include "inputchord_p.h"
41
42#include <Qt3DInput/qinputchord.h>
43
44#include <Qt3DInput/private/qinputchord_p.h>
45#include <Qt3DInput/private/inputhandler_p.h>
46
47QT_BEGIN_NAMESPACE
48
49namespace Qt3DInput {
50
51namespace Input {
52
53InputChord::InputChord()
54 : AbstractActionInput()
55 , m_chords()
56 , m_inputsToTrigger()
57 , m_timeout(0)
58 , m_startTime(0)
59{
60}
61
62void InputChord::cleanup()
63{
64 setEnabled(false);
65 m_timeout = 0;
66 m_startTime = 0;
67 m_chords.clear();
68 m_inputsToTrigger.clear();
69}
70
71void InputChord::reset()
72{
73 m_startTime = 0;
74 m_inputsToTrigger = m_chords;
75}
76
77bool InputChord::actionTriggered(Qt3DCore::QNodeId input)
78{
79 m_inputsToTrigger.removeOne(t: input);
80 if (m_inputsToTrigger.isEmpty()) {
81 //All Triggered
82 reset();
83 return true;
84 }
85 return false;
86}
87
88void InputChord::setStartTime(qint64 time)
89{
90 m_startTime = time;
91}
92
93void InputChord::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
94{
95 AbstractActionInput::syncFromFrontEnd(frontEnd, firstTime);
96 const QInputChord *node = qobject_cast<const QInputChord *>(object: frontEnd);
97 if (!node)
98 return;
99
100 m_timeout = milliToNano(milli: node->timeout());
101 m_chords = Qt3DCore::qIdsForNodes(nodes: node->chords());
102 m_inputsToTrigger = m_chords;
103}
104
105bool InputChord::process(InputHandler *inputHandler, qint64 currentTime)
106{
107 if (!isEnabled())
108 return false;
109
110 const qint64 startTime = m_startTime;
111 bool triggered = false;
112 int activeInputs = 0;
113 for (const Qt3DCore::QNodeId &actionInputId : qAsConst(t&: m_chords)) {
114 AbstractActionInput *actionInput = inputHandler->lookupActionInput(id: actionInputId);
115 if (actionInput && actionInput->process(inputHandler, currentTime)) {
116 triggered |= actionTriggered(input: actionInputId);
117 activeInputs++;
118 if (startTime == 0)
119 m_startTime = currentTime;
120 }
121 }
122
123 if (startTime != 0) {
124 // Check if we are still inside the time limit for the chord
125 if ((currentTime - startTime) > m_timeout) {
126 reset();
127 if (activeInputs > 0)
128 m_startTime = startTime;
129 return false;
130 }
131 }
132
133 return triggered;
134}
135
136} // namespace Input
137
138} // namespace Qt3DInput
139
140QT_END_NAMESPACE
141
142

source code of qt3d/src/input/backend/inputchord.cpp