#ifndef GOTOCELLDIALOG_H#define GOTOCELLDIALOG_H#include <QDialog>#include "ui_gotocelldialog.h"class GoToCellDialog : public QDialog, public Ui::GoToCellDialog{    Q_OBJECTpublic:    GoToCellDialog(QWidget *parent = 0);private slots:    void on_lineEdit_textChanged();};#endif // GOTOCELLDIALOG_H

#include <QtGui>#include "gotocelldialog.h"GoToCellDialog::GoToCellDialog(QWidget *parent):QDialog(parent){    setupUi(this);    QRegExp regExp("[A-Za-z][1-9][0-9]{0,2}");    lineEdit->setValidator(new QRegExpValidator(regExp, this));    connect(okButton, SIGNAL(clicked()),this, SLOT(accept()));    connect(cancelButton, SIGNAL(clicked()),this,SLOT(reject()));}void GoToCellDialog::on_lineEdit_textChanged(){    okButton->setEnabled(lineEdit->hasAcceptableInput());}

#include <QApplication>#include "gotocelldialog.h"int main(int argc, char *argv[]){    QApplication a(argc, argv);    GoToCellDialog *dialog = new GoToCellDialog;    dialog->show();    return a.exec();}

#ifndef SORTDIALOG_H#define SORTDIALOG_H#include <QDialog>#include <ui_sortdialog.h>class SortDialog: public QDialog, public Ui::SortDialog{    Q_OBJECTpublic:    SortDialog(QWidget *parent = 0);    void setColumnRange(QChar first, QChar last);};#endif // SORTDIALOG_H

#include <QtGui>#include "sortdialog.h"SortDialog::SortDialog(QWidget *parent):QDialog(parent){    setupUi(this);    secondaryGroupBox->hide();    tertiaryGroupBox->hide();    layout()->setSizeConstraint(QLayout::SetFixedSize);    setColumnRange(‘A‘,‘Z‘);}void SortDialog::setColumnRange(QChar first, QChar last){    primaryColumnCombo->clear();    secondaryColumnCombo->clear();    tertiaryColumnCombo->clear();    secondaryColumnCombo->addItem(tr("None"));    tertiaryColumnCombo->addItem(tr("None"));    primaryColumnCombo->setMinimumSize(secondaryColumnCombo->sizeHint());    QChar ch = first;    while(ch <= last)    {        primaryColumnCombo->addItem(QString(ch));        secondaryColumnCombo->addItem(QString(ch));        tertiaryColumnCombo->addItem(QString(ch));        ch = ch.unicode() + 1;    }}

#include <QApplication>#include "sortdialog.h"int main(int argc, char *argv[]){    QApplication app(argc, argv);    SortDialog *dialog = new SortDialog;    dialog->setColumnRange(‘C‘,‘F‘);    dialog->show();    return app.exec();}