本文整理汇总了C++中U2Region::isEmpty方法的典型用法代码示例。如果您正苦于以下问题：C++ U2Region::isEmpty方法的具体用法？C++ U2Region::isEmpty怎么用？C++ U2Region::isEmpty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类U2Region的用法示例。
在下文中一共展示了U2Region::isEmpty方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: keyPressEvent
void McaEditorReferenceArea::keyPressEvent(QKeyEvent *event) {
const int key = event->key();
bool accepted = false;
DNASequenceSelection * const selection = ctx->getSequenceSelection();
U2Region selectedRegion = (NULL != selection && !selection->isEmpty() ? selection->getSelectedRegions().first() : U2Region());
switch(key) {
case Qt::Key_Left:
if (!selectedRegion.isEmpty() && selectedRegion.startPos > 0) {
selectedRegion.startPos--;
ctx->getSequenceSelection()->setSelectedRegions(QVector<U2Region>() << selectedRegion);
ui->getScrollController()->scrollToBase(selectedRegion.startPos, width());
}
case Qt::Key_Up:
accepted = true;
break;
case Qt::Key_Right:
if (!selectedRegion.isEmpty() && selectedRegion.endPos() < ctx->getSequenceLength()) {
selectedRegion.startPos++;
ctx->getSequenceSelection()->setSelectedRegions(QVector<U2Region>() << selectedRegion);
ui->getScrollController()->scrollToBase(selectedRegion.endPos() - 1, width());
}
case Qt::Key_Down:
accepted = true;
break;
case Qt::Key_Home:
ui->getScrollController()->scrollToEnd(ScrollController::Left);
accepted = true;
break;
case Qt::Key_End:
ui->getScrollController()->scrollToEnd(ScrollController::Right);
accepted = true;
break;
case Qt::Key_PageUp:
ui->getScrollController()->scrollPage(ScrollController::Left);
accepted = true;
break;
case Qt::Key_PageDown:
ui->getScrollController()->scrollPage(ScrollController::Right);
accepted = true;
break;
}
if (accepted) {
event->accept();
} else {
PanView::keyPressEvent(event);
}
}示例2: drawContent
bool SequenceAreaRenderer::drawContent(QPainter &painter, const U2Region ®ion, const QList<int> &seqIdx, int xStart, int yStart) const {
CHECK(!region.isEmpty(), false);
CHECK(!seqIdx.isEmpty(), false);
MsaHighlightingScheme* highlightingScheme = seqAreaWgt->getCurrentHighlightingScheme();
MaEditor* editor = seqAreaWgt->getEditor();
painter.setPen(Qt::black);
painter.setFont(editor->getFont());
MultipleAlignmentObject* maObj = editor->getMaObject();
SAFE_POINT(maObj != NULL, tr("Alignment object is NULL"), false);
const MultipleAlignment ma = maObj->getMultipleAlignment();
//Use dots to draw regions, which are similar to reference sequence
highlightingScheme->setUseDots(seqAreaWgt->getUseDotsCheckedState());
int rowHeight = 0;
foreach (const int rowIndex, seqIdx) {
rowHeight = drawRow(painter, ma, rowIndex, region, xStart, yStart);
yStart += ui->getRowHeightController()->getRowHeight(rowIndex);
}