Line editor
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** This file is part of the examples of the Qt Toolkit.
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#ifndef WINDOW_H
#define WINDOW_H
#include <QWidget>
QT_BEGIN_NAMESPACE
class QComboBox;
class QLineEdit;
QT_END_NAMESPACE
class Window : public QWidget
{
Q_OBJECT
public:
Window();
public slots:
void echoChanged(int);
void validatorChanged(int);
void alignmentChanged(int);
void inputMaskChanged(int);
void accessChanged(int);
private:
QLineEdit *echoLineEdit;
QLineEdit *validatorLineEdit;
QLineEdit *alignmentLineEdit;
QLineEdit *inputMaskLineEdit;
QLineEdit *accessLineEdit;
};
#endif
#include <QtGui>
#include "window.h"
Window::Window()
{
QGroupBox *echoGroup = new QGroupBox(tr("Echo"));
QLabel *echoLabel = new QLabel(tr("Mode:"));
QComboBox *echoComboBox = new QComboBox;
echoComboBox->addItem(tr("Normal"));
echoComboBox->addItem(tr("Password"));
echoComboBox->addItem(tr("PasswordEchoOnEdit"));
echoComboBox->addItem(tr("No Echo"));
echoLineEdit = new QLineEdit;
echoLineEdit->setFocus();
QGroupBox *validatorGroup = new QGroupBox(tr("Validator"));
QLabel *validatorLabel = new QLabel(tr("Type:"));
QComboBox *validatorComboBox = new QComboBox;
validatorComboBox->addItem(tr("No validator"));
validatorComboBox->addItem(tr("Integer validator"));
validatorComboBox->addItem(tr("Double validator"));
validatorLineEdit = new QLineEdit;
QGroupBox *alignmentGroup = new QGroupBox(tr("Alignment"));
QLabel *alignmentLabel = new QLabel(tr("Type:"));
QComboBox *alignmentComboBox = new QComboBox;
alignmentComboBox->addItem(tr("Left"));
alignmentComboBox->addItem(tr("Centered"));
alignmentComboBox->addItem(tr("Right"));
alignmentLineEdit = new QLineEdit;
QGroupBox *inputMaskGroup = new QGroupBox(tr("Input mask"));
QLabel *inputMaskLabel = new QLabel(tr("Type:"));
QComboBox *inputMaskComboBox = new QComboBox;
inputMaskComboBox->addItem(tr("No mask"));
inputMaskComboBox->addItem(tr("Phone number"));
inputMaskComboBox->addItem(tr("ISO date"));
inputMaskComboBox->addItem(tr("License key"));
inputMaskLineEdit = new QLineEdit;
QGroupBox *accessGroup = new QGroupBox(tr("Access"));
QLabel *accessLabel = new QLabel(tr("Read-only:"));
QComboBox *accessComboBox = new QComboBox;
accessComboBox->addItem(tr("False"));
accessComboBox->addItem(tr("True"));
accessLineEdit = new QLineEdit;
connect(echoComboBox, SIGNAL(activated(int)),
this, SLOT(echoChanged(int)));
connect(validatorComboBox, SIGNAL(activated(int)),
this, SLOT(validatorChanged(int)));
connect(alignmentComboBox, SIGNAL(activated(int)),
this, SLOT(alignmentChanged(int)));
connect(inputMaskComboBox, SIGNAL(activated(int)),
this, SLOT(inputMaskChanged(int)));
connect(accessComboBox, SIGNAL(activated(int)),
this, SLOT(accessChanged(int)));
QGridLayout *echoLayout = new QGridLayout;
echoLayout->addWidget(echoLabel, 0, 0);
echoLayout->addWidget(echoComboBox, 0, 1);
echoLayout->addWidget(echoLineEdit, 1, 0, 1, 2);
echoGroup->setLayout(echoLayout);
QGridLayout *validatorLayout = new QGridLayout;
validatorLayout->addWidget(validatorLabel, 0, 0);
validatorLayout->addWidget(validatorComboBox, 0, 1);
validatorLayout->addWidget(validatorLineEdit, 1, 0, 1, 2);
validatorGroup->setLayout(validatorLayout);
QGridLayout *alignmentLayout = new QGridLayout;
alignmentLayout->addWidget(alignmentLabel, 0, 0);
alignmentLayout->addWidget(alignmentComboBox, 0, 1);
alignmentLayout->addWidget(alignmentLineEdit, 1, 0, 1, 2);
alignmentGroup-> setLayout(alignmentLayout);
QGridLayout *inputMaskLayout = new QGridLayout;
inputMaskLayout->addWidget(inputMaskLabel, 0, 0);
inputMaskLayout->addWidget(inputMaskComboBox, 0, 1);
inputMaskLayout->addWidget(inputMaskLineEdit, 1, 0, 1, 2);
inputMaskGroup->setLayout(inputMaskLayout);
QGridLayout *accessLayout = new QGridLayout;
accessLayout->addWidget(accessLabel, 0, 0);
accessLayout->addWidget(accessComboBox, 0, 1);
accessLayout->addWidget(accessLineEdit, 1, 0, 1, 2);
accessGroup->setLayout(accessLayout);
QGridLayout *layout = new QGridLayout;
layout->addWidget(echoGroup, 0, 0);
layout->addWidget(validatorGroup, 1, 0);
layout->addWidget(alignmentGroup, 2, 0);
layout->addWidget(inputMaskGroup, 0, 1);
layout->addWidget(accessGroup, 1, 1);
setLayout(layout);
setWindowTitle(tr("Line Edits"));
}
void Window::echoChanged(int index)
{
switch (index) {
case 0:
echoLineEdit->setEchoMode(QLineEdit::Normal);
break;
case 1:
echoLineEdit->setEchoMode(QLineEdit::Password);
break;
case 2:
echoLineEdit->setEchoMode(QLineEdit::PasswordEchoOnEdit);
break;
case 3:
echoLineEdit->setEchoMode(QLineEdit::NoEcho);
}
}
void Window::validatorChanged(int index)
{
switch (index) {
case 0:
validatorLineEdit->setValidator(0);
break;
case 1:
validatorLineEdit->setValidator(new QIntValidator(
validatorLineEdit));
break;
case 2:
validatorLineEdit->setValidator(new QDoubleValidator(-999.0,
999.0, 2, validatorLineEdit));
}
validatorLineEdit->clear();
}
void Window::alignmentChanged(int index)
{
switch (index) {
case 0:
alignmentLineEdit->setAlignment(Qt::AlignLeft);
break;
case 1:
alignmentLineEdit->setAlignment(Qt::AlignCenter);
break;
case 2:
alignmentLineEdit->setAlignment(Qt::AlignRight);
}
}
void Window::inputMaskChanged(int index)
{
switch (index) {
case 0:
inputMaskLineEdit->setInputMask("");
break;
case 1:
inputMaskLineEdit->setInputMask("+99 99 99 99 99;_");
break;
case 2:
inputMaskLineEdit->setInputMask("0000-00-00");
inputMaskLineEdit->setText("00000000");
inputMaskLineEdit->setCursorPosition(0);
break;
case 3:
inputMaskLineEdit->setInputMask(">AAAAA-AAAAA-AAAAA-AAAAA-AAAAA;#");
}
}
void Window::accessChanged(int index)
{
switch (index) {
case 0:
accessLineEdit->setReadOnly(false);
break;
case 1:
accessLineEdit->setReadOnly(true);
}
}
#include <QApplication>
#include "window.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Window window;
window.show();
return app.exec();
}
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