try this
ui
->tableView
->horizontalHeader
()->setResizeMode
(3,
QHeaderView::ResizeToContents);
ui
->tableView
->horizontalHeader
()->setResizeMode
(0,
QHeaderView::Stretch);
ui
->tableView
->horizontalHeader
()->setResizeMode
(1,
QHeaderView::Stretch);
ui
->tableView
->horizontalHeader
()->setResizeMode
(2,
QHeaderView::Stretch);
ui->tableView->horizontalHeader()->setResizeMode(3, QHeaderView::ResizeToContents);
ui->tableView->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
ui->tableView->horizontalHeader()->setResizeMode(1, QHeaderView::Stretch);
ui->tableView->horizontalHeader()->setResizeMode(2, QHeaderView::Stretch);
To copy to clipboard, switch view to plain text mode
Column 0,1 & 2 will stretch and assure a 100% width use of the available space, column 3 will be adjusted right.
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