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libs/widgets/KoResourceItemChooser.cpp
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| 136 | if (d->splitter->count() == 2) { | 136 | if (d->splitter->count() == 2) { | ||
|---|---|---|---|---|---|
| 137 | d->splitter->setSizes(QList<int>() << 280 << 160); | 137 | d->splitter->setSizes(QList<int>() << 280 << 160); | ||
| 138 | } | 138 | } | ||
| 139 | | ||||
| 140 | QScroller* scroller = KisKineticScroller::createPreconfiguredScroller(d->previewScroller); | ||||
| 141 | if (scroller) { | ||||
| 142 | | ||||
| 143 | } | ||||
| 139 | } | 144 | } | ||
| 140 | 145 | | |||
| 141 | d->splitter->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding); | 146 | d->splitter->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding); | ||
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| 546 | return QObject::eventFilter(object, event); | 551 | return QObject::eventFilter(object, event); | ||
| 547 | } | 552 | } | ||
| 548 | 553 | | |||
| 549 | void KoResourceItemChooser::configureKineticScrolling(int gesture, int sensitivity, bool scrollbar) | | |||
| 550 | { | | |||
| 551 | QScroller::ScrollerGestureType gestureType; | | |||
| 552 | | ||||
| 553 | switch (gesture) { | | |||
| 554 | case 1: { | | |||
| 555 | gestureType = QScroller::TouchGesture; | | |||
| 556 | break; | | |||
| 557 | } | | |||
| 558 | case 2: { | | |||
| 559 | gestureType = QScroller::LeftMouseButtonGesture; | | |||
| 560 | break; | | |||
| 561 | } | | |||
| 562 | default: | | |||
| 563 | return; | | |||
| 564 | } | | |||
| 565 | | ||||
| 566 | KoResourceItemView *view = itemView(); | | |||
| 567 | | ||||
| 568 | view->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel); | | |||
| 569 | if (!scrollbar) { | | |||
| 570 | view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); | | |||
| 571 | } | | |||
| 572 | | ||||
| 573 | QScroller *scroller = QScroller::scroller(view); | | |||
| 574 | scroller->grabGesture(view, gestureType); | | |||
| 575 | | ||||
| 576 | QScrollerProperties sp; | | |||
| 577 | | ||||
| 578 | // DragStartDistance seems to be based on meter per second; though it's | | |||
| 579 | // not explicitly documented, other QScroller values are in that metric. | | |||
| 580 | | ||||
| 581 | // To start kinetic scrolling, with minimal sensitity, we expect a drag | | |||
| 582 | // of 10 mm, with minimum sensitity any > 0 mm. | | |||
| 583 | | ||||
| 584 | const float mm = 0.001f; // 1 millimeter | | |||
| 585 | const float resistance = 1.0f - (sensitivity / 100.0f); | | |||
| 586 | | ||||
| 587 | sp.setScrollMetric(QScrollerProperties::DragStartDistance, resistance * 10.0f * mm); | | |||
| 588 | sp.setScrollMetric(QScrollerProperties::DragVelocitySmoothingFactor, 1.0f); | | |||
| 589 | sp.setScrollMetric(QScrollerProperties::MinimumVelocity, 0.0f); | | |||
| 590 | sp.setScrollMetric(QScrollerProperties::AxisLockThreshold, 1.0f); | | |||
| 591 | sp.setScrollMetric(QScrollerProperties::MaximumClickThroughVelocity, 0.0f); | | |||
| 592 | sp.setScrollMetric(QScrollerProperties::MousePressEventDelay, 1.0f - 0.75f * resistance); | | |||
| 593 | sp.setScrollMetric(QScrollerProperties::AcceleratingFlickSpeedupFactor, 1.5f); | | |||
| 594 | | ||||
| 595 | sp.setScrollMetric(QScrollerProperties::VerticalOvershootPolicy, QScrollerProperties::OvershootAlwaysOn); | | |||
| 596 | sp.setScrollMetric(QScrollerProperties::OvershootDragResistanceFactor, 0.1); | | |||
| 597 | sp.setScrollMetric(QScrollerProperties::OvershootDragDistanceFactor, 0.3); | | |||
| 598 | sp.setScrollMetric(QScrollerProperties::OvershootScrollDistanceFactor, 0.1); | | |||
| 599 | sp.setScrollMetric(QScrollerProperties::OvershootScrollTime, 0.4); | | |||
| 600 | | ||||
| 601 | scroller->setScrollerProperties(sp); | | |||
| 602 | } | | |||
| 603 | | ||||
| 604 | void KoResourceItemChooser::resizeEvent(QResizeEvent *event) | 554 | void KoResourceItemChooser::resizeEvent(QResizeEvent *event) | ||
| 605 | { | 555 | { | ||
| 606 | QWidget::resizeEvent(event); | 556 | QWidget::resizeEvent(event); | ||
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