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plotview: Pass mouse events to individual plots

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Mike
2016-04-03 22:33:52 +01:00
committed by Mike Walters
parent 2d073462f1
commit 6a1a06cefc
3 changed files with 32 additions and 0 deletions
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25
plotview.cpp
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@@ -123,6 +123,31 @@ void PlotView::enableCursors(bool enabled)
bool PlotView::eventFilter(QObject * obj, QEvent *event)
{
// Pass mouse events to individual plot objects
if (event->type() == QEvent::MouseButtonPress ||
event->type() == QEvent::MouseMove ||
event->type() == QEvent::MouseButtonRelease) {
QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
int plotY = -verticalScrollBar()->value();
for (auto&& plot : plots) {
bool result = plot->mouseEvent(
event->type(),
QMouseEvent(
event->type(),
QPoint(mouseEvent->pos().x(), mouseEvent->pos().y() - plotY),
mouseEvent->button(),
mouseEvent->buttons(),
QApplication::keyboardModifiers()
)
);
if (result)
return true;
plotY += plot->height();
}
}
// Handle wheel events for zooming
if (event->type() == QEvent::Wheel) {
QWheelEvent *wheelEvent = (QWheelEvent*)event;
if (QApplication::keyboardModifiers() & Qt::ControlModifier) {