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94daf465c4
scroll "smartly" when scrolling to a too-big-to-be-displayed rect This fixes calculation history navigation on big cells (that are bigger than the displayed table)
58 lines
2.3 KiB
C++
58 lines
2.3 KiB
C++
#include "selectable_table_view.h"
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namespace Calculation {
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CalculationSelectableTableView::CalculationSelectableTableView(Responder * parentResponder, TableViewDataSource * dataSource,
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SelectableTableViewDataSource * selectionDataSource, SelectableTableViewDelegate * delegate) :
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::SelectableTableView(parentResponder, dataSource, selectionDataSource, delegate)
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{
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setVerticalCellOverlap(0);
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setMargins(0);
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setDecoratorType(ScrollView::Decorator::Type::None);
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}
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void CalculationSelectableTableView::scrollToCell(int i, int j) {
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::SelectableTableView::scrollToCell(i, j);
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if (m_contentView.bounds().height() < bounds().height()) {
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setTopMargin(bounds().height() - m_contentView.bounds().height());
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} else {
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setTopMargin(0);
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}
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ScrollView::layoutSubviews();
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if (m_contentView.bounds().height() - contentOffset().y() < bounds().height()) {
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KDCoordinate contentOffsetX = contentOffset().x();
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KDCoordinate contentOffsetY = dataSource()->cumulatedHeightFromIndex(dataSource()->numberOfRows()) - maxContentHeightDisplayableWithoutScrolling();
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setContentOffset(KDPoint(contentOffsetX, contentOffsetY));
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}
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}
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void CalculationSelectableTableView::scrollToSubviewOfTypeOfCellAtLocation(HistoryViewCellDataSource::SubviewType subviewType, int i, int j) {
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if (dataSource()->rowHeight(j) <= bounds().height()) {
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return;
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}
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/* As we scroll, the selected calculation does not use the same history view
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* cell, thus, we want to deselect the previous used history view cell. */
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unhighlightSelectedCell();
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/* Main part of the scroll */
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KDCoordinate contentOffsetX = contentOffset().x();
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KDCoordinate contentOffsetY = dataSource()->cumulatedHeightFromIndex(j+1) - maxContentHeightDisplayableWithoutScrolling();
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if (subviewType == HistoryViewCellDataSource::SubviewType::Input) {
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if (j == 0) {
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contentOffsetY = 0;
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} else {
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contentOffsetY = dataSource()->cumulatedHeightFromIndex(j);
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}
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}
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setContentOffset(KDPoint(contentOffsetX, contentOffsetY));
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/* For the same reason, we have to rehighlight the new history view cell and
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* reselect the first responder. */
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HistoryViewCell * cell = (HistoryViewCell *)(selectedCell());
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assert(cell);
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cell->setHighlighted(true);
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Container::activeApp()->setFirstResponder(cell);
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}
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}
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