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| 1 | +#include "PositionAlignmentManipulator.h" |
| 2 | +#include "PositionAlignmentManipulator_p.h" |
| 3 | + |
| 4 | +#include <ScopicFlowCore/TimeLayoutViewModel.h> |
| 5 | + |
| 6 | +namespace VisualEditor { |
| 7 | + |
| 8 | + // Static helper function to find the appropriate note duration for auto mode |
| 9 | + static PositionAlignmentManipulator::Duration findNoteDurationInRange(double minValue, double maxValue) { |
| 10 | + // Define all note durations in descending order (longest to shortest) |
| 11 | + static const QList<PositionAlignmentManipulator::Duration> noteDurations = { |
| 12 | + PositionAlignmentManipulator::Note1st, |
| 13 | + PositionAlignmentManipulator::Note2nd, |
| 14 | + PositionAlignmentManipulator::Note4th, |
| 15 | + PositionAlignmentManipulator::Note8th, |
| 16 | + PositionAlignmentManipulator::Note16th, |
| 17 | + PositionAlignmentManipulator::Note32nd, |
| 18 | + PositionAlignmentManipulator::Note64th, |
| 19 | + PositionAlignmentManipulator::Note128th |
| 20 | + }; |
| 21 | + |
| 22 | + // Find the first note duration that falls within the range [minValue, maxValue) |
| 23 | + for (auto noteDuration : noteDurations) { |
| 24 | + double noteValue = static_cast<double>(noteDuration); |
| 25 | + if (noteValue >= minValue && noteValue < maxValue) { |
| 26 | + return noteDuration; |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + // If no note duration is in range, return the boundary values |
| 31 | + if (maxValue <= static_cast<double>(PositionAlignmentManipulator::Note128th)) { |
| 32 | + return PositionAlignmentManipulator::Note128th; // shortest |
| 33 | + } else { |
| 34 | + return PositionAlignmentManipulator::Note1st; // longest |
| 35 | + } |
| 36 | + } |
| 37 | + |
| 38 | + PositionAlignmentManipulator::PositionAlignmentManipulator(QObject *parent) |
| 39 | + : QObject(parent), d_ptr(new PositionAlignmentManipulatorPrivate) { |
| 40 | + Q_D(PositionAlignmentManipulator); |
| 41 | + d->q_ptr = this; |
| 42 | + d->timeLayoutViewModel = nullptr; |
| 43 | + d->duration = Note8th; |
| 44 | + d->tuplet = None; |
| 45 | + d->autoDurationPositionAlignment = 48; |
| 46 | + d->helper = new PositionAlignmentManipulatorHelper(d, this); |
| 47 | + } |
| 48 | + |
| 49 | + PositionAlignmentManipulator::~PositionAlignmentManipulator() = default; |
| 50 | + |
| 51 | + sflow::TimeLayoutViewModel *PositionAlignmentManipulator::timeLayoutViewModel() const { |
| 52 | + Q_D(const PositionAlignmentManipulator); |
| 53 | + return d->timeLayoutViewModel; |
| 54 | + } |
| 55 | + |
| 56 | + void PositionAlignmentManipulator::setTimeLayoutViewModel(sflow::TimeLayoutViewModel *timeLayoutViewModel) { |
| 57 | + Q_D(PositionAlignmentManipulator); |
| 58 | + if (d->timeLayoutViewModel == timeLayoutViewModel) |
| 59 | + return; |
| 60 | + |
| 61 | + // Disconnect old connections |
| 62 | + d->disconnectTimeLayoutViewModel(); |
| 63 | + |
| 64 | + d->timeLayoutViewModel = timeLayoutViewModel; |
| 65 | + |
| 66 | + // Connect new connections |
| 67 | + d->connectTimeLayoutViewModel(); |
| 68 | + |
| 69 | + // Update position alignment with new view model |
| 70 | + d->updatePositionAlignment(); |
| 71 | + |
| 72 | + Q_EMIT timeLayoutViewModelChanged(); |
| 73 | + } |
| 74 | + |
| 75 | + PositionAlignmentManipulator::Duration PositionAlignmentManipulator::duration() const { |
| 76 | + Q_D(const PositionAlignmentManipulator); |
| 77 | + return d->duration; |
| 78 | + } |
| 79 | + |
| 80 | + void PositionAlignmentManipulator::setDuration(Duration duration) { |
| 81 | + Q_D(PositionAlignmentManipulator); |
| 82 | + if (d->duration == duration) |
| 83 | + return; |
| 84 | + |
| 85 | + d->duration = duration; |
| 86 | + d->updatePositionAlignment(); |
| 87 | + Q_EMIT durationChanged(); |
| 88 | + } |
| 89 | + |
| 90 | + PositionAlignmentManipulator::Tuplet PositionAlignmentManipulator::tuplet() const { |
| 91 | + Q_D(const PositionAlignmentManipulator); |
| 92 | + return d->tuplet; |
| 93 | + } |
| 94 | + |
| 95 | + void PositionAlignmentManipulator::setTuplet(Tuplet tuplet) { |
| 96 | + Q_D(PositionAlignmentManipulator); |
| 97 | + if (d->tuplet == tuplet) |
| 98 | + return; |
| 99 | + |
| 100 | + d->tuplet = tuplet; |
| 101 | + d->updatePositionAlignment(); |
| 102 | + Q_EMIT tupletChanged(); |
| 103 | + } |
| 104 | + |
| 105 | + int PositionAlignmentManipulator::autoDurationPositionAlignment() const { |
| 106 | + Q_D(const PositionAlignmentManipulator); |
| 107 | + return d->autoDurationPositionAlignment; |
| 108 | + } |
| 109 | + |
| 110 | + void PositionAlignmentManipulator::setAutoDurationPositionAlignment(int autoDurationPositionAlignment) { |
| 111 | + Q_D(PositionAlignmentManipulator); |
| 112 | + if (d->autoDurationPositionAlignment == autoDurationPositionAlignment) |
| 113 | + return; |
| 114 | + |
| 115 | + d->autoDurationPositionAlignment = autoDurationPositionAlignment; |
| 116 | + d->updatePositionAlignment(); |
| 117 | + Q_EMIT autoDurationPositionAlignmentChanged(); |
| 118 | + } |
| 119 | + |
| 120 | + void PositionAlignmentManipulatorPrivate::updatePositionAlignment() { |
| 121 | + Q_Q(PositionAlignmentManipulator); |
| 122 | + |
| 123 | + if (!timeLayoutViewModel) |
| 124 | + return; |
| 125 | + |
| 126 | + int newAlignment = 1; // Default value |
| 127 | + |
| 128 | + if (duration == PositionAlignmentManipulator::Unset) { |
| 129 | + newAlignment = 1; |
| 130 | + } else if (duration != PositionAlignmentManipulator::Auto) { |
| 131 | + // Calculate: duration * 2 / tuplet |
| 132 | + newAlignment = static_cast<int>(duration) * 2 / static_cast<int>(tuplet); |
| 133 | + } else { |
| 134 | + // Auto mode: find appropriate note duration based on pixel density |
| 135 | + double pixelDensity = timeLayoutViewModel->pixelDensity(); |
| 136 | + if (pixelDensity > 0) { |
| 137 | + double minValue = autoDurationPositionAlignment / pixelDensity; |
| 138 | + double maxValue = 2.0 * autoDurationPositionAlignment / pixelDensity; |
| 139 | + |
| 140 | + auto foundDuration = findNoteDurationInRange(minValue, maxValue); |
| 141 | + newAlignment = static_cast<int>(foundDuration) * 2 / static_cast<int>(tuplet); |
| 142 | + } |
| 143 | + } |
| 144 | + |
| 145 | + timeLayoutViewModel->setPositionAlignment(newAlignment); |
| 146 | + } |
| 147 | + |
| 148 | + void PositionAlignmentManipulatorPrivate::connectTimeLayoutViewModel() const { |
| 149 | + if (!timeLayoutViewModel) |
| 150 | + return; |
| 151 | + |
| 152 | + // Connect to pixelDensity changes to recalculate auto mode alignment |
| 153 | + QObject::connect(timeLayoutViewModel, SIGNAL(pixelDensityChanged()), helper, SLOT(onPixelDensityChanged())); |
| 154 | + } |
| 155 | + |
| 156 | + void PositionAlignmentManipulatorPrivate::disconnectTimeLayoutViewModel() const { |
| 157 | + if (!timeLayoutViewModel) |
| 158 | + return; |
| 159 | + |
| 160 | + // Disconnect all connections from the old timeLayoutViewModel |
| 161 | + QObject::disconnect(timeLayoutViewModel, nullptr, helper, nullptr); |
| 162 | + } |
| 163 | + |
| 164 | + PositionAlignmentManipulatorHelper::PositionAlignmentManipulatorHelper(PositionAlignmentManipulatorPrivate *d, QObject *parent) |
| 165 | + : QObject(parent), d(d) { |
| 166 | + } |
| 167 | + |
| 168 | + void PositionAlignmentManipulatorHelper::onPixelDensityChanged() const { |
| 169 | + if (d->duration == PositionAlignmentManipulator::Auto) { |
| 170 | + d->updatePositionAlignment(); |
| 171 | + } |
| 172 | + } |
| 173 | + |
| 174 | +} |
| 175 | + |
| 176 | +#include "moc_PositionAlignmentManipulator.cpp" |
| 177 | +#include "moc_PositionAlignmentManipulator_p.cpp" |
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