Select rows and columns in QTableWidget, while keeping highlighted
10,469
This code allows you to select column first then you must press control to select other rows. Try this, I hope it can help. Anyway, this solution doesn't work well with shift.
void SO_Qt::hhSelected( int index )
{
if(index <= 0) return;
ui.tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
ui.tableWidget->setSelectionBehavior(QAbstractItemView::SelectColumns);
ui.tableWidget->selectColumn(index);
ui.tableWidget->setSelectionMode(QAbstractItemView::NoSelection);
}
void SO_Qt::vhSelected( int index )
{
ui.tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
ui.tableWidget->setSelectionBehavior(QAbstractItemView::SelectItems);
ui.tableWidget->selectRow(index);
ui.tableWidget->setSelectionMode(QAbstractItemView::NoSelection);
}
Author by
mpellegr
Updated on June 04, 2022Comments
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mpellegr about 2 years
I have a QTableWidget that I've set up such that you can't select the cells, but can select rows/columns by their headers. The problem I'm having is when I select a row, it deselects any columns that were selected, and same for column/rows. I want to be able to select rows with the ExtendedSelection behavior and columns with the SingleSelection behavior, but independently of eachother. Here's what I'm doing:
ui->tableWidget->setSelectionMode(QAbstractItemView::NoSelection); connect(ui->tableWidget->horizontalHeader(),SIGNAL(sectionClicked(int)), this,SLOT(horizontalHeaderClicked(int))); connect(ui->tableWidget->verticalHeader(),SIGNAL(sectionClicked(int)), this,SLOT(verticalHeaderClicked(int)));
Then:
void MatrixWidget::horizontalHeaderClicked(int column){ if(column <= 0) return; //first column is names, doesn't represent a segment ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection); ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectColumns); ui->tableWidget->selectColumn(column); ui->tableWidget->setSelectionMode(QAbstractItemView::NoSelection);
}
void MatrixWidget::verticalHeaderClicked(int row){ ui->tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection); ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows); ui->tableWidget->selectRow(row); ui->tableWidget->setSelectionMode(QAbstractItemView::NoSelection);
}