Subjectively

QColumn.class.php: line 151.

case ‘ControlType’:
if ($this->blnIdentity) return ‘QLabel’;
if ($this->blnPrimaryKey) return ‘QLabel’;
if ($this->blnTimestamp) return ‘QDateTime’;

if ($this->objReference) return ‘QListBox’;
switch ($this->strVariableType) {
case ‘boolean’: return ‘QCheckbox’; break;
default: return ‘QTextBox’; break;
}

_qform_edit.tpl: line 28

/**
* @var <%= $objColumn->ControlType; %> <%= $objCodeGen->FormControlVariableNameForColumn($objColumn); %>
*/

and optionally

/**

* @var QButton btnSave

*/

For all of the QButtons generated in _qform.edit.tpl