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49 lines
1.7 KiB
49 lines
1.7 KiB
#include "selfdrive/ui/qt/widgets/scrollview.h"
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#include <QScrollBar>
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#include <QScroller>
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// TODO: disable horizontal scrolling and resize
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ScrollView::ScrollView(QWidget *w, QWidget *parent) : QScrollArea(parent) {
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setWidget(w);
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setWidgetResizable(true);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setStyleSheet("background-color: transparent;");
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QString style = R"(
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QScrollBar:vertical {
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border: none;
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background: transparent;
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width: 10px;
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margin: 0;
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}
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QScrollBar::handle:vertical {
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min-height: 0px;
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border-radius: 5px;
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background-color: white;
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}
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QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {
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height: 0px;
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}
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QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {
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background: none;
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}
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)";
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verticalScrollBar()->setStyleSheet(style);
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horizontalScrollBar()->setStyleSheet(style);
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QScroller *scroller = QScroller::scroller(this->viewport());
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QScrollerProperties sp = scroller->scrollerProperties();
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sp.setScrollMetric(QScrollerProperties::VerticalOvershootPolicy, QVariant::fromValue<QScrollerProperties::OvershootPolicy>(QScrollerProperties::OvershootAlwaysOff));
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sp.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue<QScrollerProperties::OvershootPolicy>(QScrollerProperties::OvershootAlwaysOff));
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sp.setScrollMetric(QScrollerProperties::MousePressEventDelay, 0.01);
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scroller->grabGesture(this->viewport(), QScroller::LeftMouseButtonGesture);
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scroller->setScrollerProperties(sp);
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}
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void ScrollView::hideEvent(QHideEvent *e) {
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verticalScrollBar()->setValue(0);
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}
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