Qt - QTableView - Clickable button in table row

I require a button/link within a table row of a QTableView. This is to open a dialog to allow that row to be edited more efficiently.

After hours of looking on the web I am yet to find a decent example.

I am aware that this is likely to be done using a QItemDelegate, but I am unsure how to have a functional widget within the row without forcing the item into edit mode first.

Any help would be greatly appreciated.

Answers


You could emulate the functionality of a link by underlining the clickable text, then capturing the cell click via the cellClicked(row, col) signal and check that col == editColumn. Then row would correspond to which item you are editing.

For example,

Data Name | Value 1 | Value 2 | Edit

connect (tableWidget, SIGNAL(cellClicked(int,int)), this, SLOT(editSlot(int, int)));

...

void ClassName::editSlot(int row, int col){
  if (col == 3) {
    doWork(row);
  }
}

You can use setIndexWidget for that, see the Qt documentation for more information.

As an example, to embed a push button in the first column of the second row (untested code):

tableView->setIndexWidget(tableView->model()->index(2, 1), new QPushButton);

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