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cursors: Re-position cursors on view change

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Mike
2016-03-05 20:30:25 +00:00
parent c6166d70f9
commit e288f93b29
3 changed files with 23 additions and 7 deletions
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22
plotview.cpp
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@@ -104,6 +104,10 @@ void PlotView::cursorsMoved()
void PlotView::enableCursors(bool enabled)
{
cursorsEnabled = enabled;
if (enabled) {
int margin = viewport()->rect().width() / 3;
cursors.setSelection({viewport()->rect().left() + margin, viewport()->rect().right() - margin});
}
viewport()->update();
}
@@ -177,13 +181,6 @@ void PlotView::paintEvent(QPaintEvent *event)
void PlotView::resizeEvent(QResizeEvent * event)
{
QRect rect = viewport()->rect();
// Resize cursors
// TODO: don't hardcode this
int margin = rect.width() / 3;
//cursors.setGeometry(QRect(rect.left() + margin, rect.top(), rect.right() - rect.left() - 2 * margin, rect.height()));
updateView();
}
@@ -199,9 +196,20 @@ void PlotView::scrollContentsBy(int dx, int dy)
void PlotView::updateView()
{
// Update current view
viewRange = {
horizontalScrollBar()->value(),
horizontalScrollBar()->value() + width() * samplesPerLine()
};
// Update cursors
QRect rect = viewport()->rect();
range_t<int> newSelection = {
(int)((selectedSamples.minimum - horizontalScrollBar()->value()) / samplesPerLine()),
(int)((selectedSamples.maximum - horizontalScrollBar()->value()) / samplesPerLine())
};
cursors.setSelection(newSelection);
// Re-paint
viewport()->update();
}