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Revision as of 16:56, 30 April 2011 by somnathbanik (Talk | contribs)

How to create alarm list in Qt

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Contents

Overview

The code example given below is used to make the Alarm list window in Qt.Here in the below code I have used this QLabel, QCheckBox, and QTimeEdit widgets to make the page of Alarm list in Qt. Also I have connected the QCheckBox with the QTimeEdit using signal and slot mechanism. For more information go to this link.Understanding_signal_and_slot_in_Qt

Prerequisite

  • Here it is assumed that a user had properly set the Qt application development environment. And also Qt SDK for windows is also installed.
  • Check all the installation steps as described here :

Setting up Qt Development environment

Header file

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QMainWindow>
 
namespace Ui {
class MainWindow;
}
 
class MainWindow : public QMainWindow {
Q_OBJECT
public:
MainWindow(QWidget *parent = 0);
~MainWindow();
 
protected:
void changeEvent(QEvent *e);
 
private:
Ui::MainWindow *ui;
};
 
#endif // MAINWINDOW_H

Source file

#include "mainwindow.h"
#include "ui_mainwindow.h"
 
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
 
MainWindow::~MainWindow()
{
delete ui;
}
 
void MainWindow::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}


ui_mainwindow.cpp

#ifndef UI_MAINWINDOW_H
#define UI_MAINWINDOW_H
 
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QCheckBox>
#include <QtGui/QGroupBox>
#include <QtGui/QHeaderView>
#include <QtGui/QLabel>
#include <QtGui/QMainWindow>
#include <QtGui/QMenuBar>
#include <QtGui/QStatusBar>
#include <QtGui/QTimeEdit>
#include <QtGui/QToolBar>
#include <QtGui/QWidget>
 
QT_BEGIN_NAMESPACE
 
class Ui_MainWindow
{
public:
QWidget *centralWidget;
QGroupBox *groupBox;
QLabel *label;
QLabel *label_2;
QLabel *label_3;
QCheckBox *checkBox;
QCheckBox *checkBox_2;
QCheckBox *checkBox_3;
QTimeEdit *timeEdit;
QTimeEdit *timeEdit_2;
QTimeEdit *timeEdit_3;
QMenuBar *menuBar;
QToolBar *mainToolBar;
QStatusBar *statusBar;
 
void setupUi(QMainWindow *MainWindow)
{
if (MainWindow->objectName().isEmpty())
MainWindow->setObjectName(QString::fromUtf8("MainWindow"));
MainWindow->resize(600, 400);
centralWidget = new QWidget(MainWindow);
centralWidget->setObjectName(QString::fromUtf8("centralWidget"));
groupBox = new QGroupBox(centralWidget);
groupBox->setObjectName(QString::fromUtf8("groupBox"));
groupBox->setGeometry(QRect(10, 20, 261, 251));
label = new QLabel(groupBox);
label->setObjectName(QString::fromUtf8("label"));
label->setGeometry(QRect(20, 40, 46, 13));
label_2 = new QLabel(groupBox);
label_2->setObjectName(QString::fromUtf8("label_2"));
label_2->setGeometry(QRect(20, 100, 46, 13));
label_3 = new QLabel(groupBox);
label_3->setObjectName(QString::fromUtf8("label_3"));
label_3->setGeometry(QRect(20, 170, 46, 13));
checkBox = new QCheckBox(groupBox);
checkBox->setObjectName(QString::fromUtf8("checkBox"));
checkBox->setGeometry(QRect(80, 40, 70, 17));
checkBox_2 = new QCheckBox(groupBox);
checkBox_2->setObjectName(QString::fromUtf8("checkBox_2"));
checkBox_2->setGeometry(QRect(80, 100, 70, 17));
checkBox_3 = new QCheckBox(groupBox);
checkBox_3->setObjectName(QString::fromUtf8("checkBox_3"));
checkBox_3->setGeometry(QRect(80, 170, 70, 17));
timeEdit = new QTimeEdit(groupBox);
timeEdit->setObjectName(QString::fromUtf8("timeEdit"));
timeEdit->setGeometry(QRect(130, 40, 118, 22));
timeEdit_2 = new QTimeEdit(groupBox);
timeEdit_2->setObjectName(QString::fromUtf8("timeEdit_2"));
timeEdit_2->setGeometry(QRect(130, 100, 118, 22));
timeEdit_3 = new QTimeEdit(groupBox);
timeEdit_3->setObjectName(QString::fromUtf8("timeEdit_3"));
timeEdit_3->setGeometry(QRect(130, 160, 118, 22));
MainWindow->setCentralWidget(centralWidget);
menuBar = new QMenuBar(MainWindow);
menuBar->setObjectName(QString::fromUtf8("menuBar"));
menuBar->setGeometry(QRect(0, 0, 600, 20));
MainWindow->setMenuBar(menuBar);
mainToolBar = new QToolBar(MainWindow);
mainToolBar->setObjectName(QString::fromUtf8("mainToolBar"));
MainWindow->addToolBar(Qt::TopToolBarArea, mainToolBar);
statusBar = new QStatusBar(MainWindow);
statusBar->setObjectName(QString::fromUtf8("statusBar"));
MainWindow->setStatusBar(statusBar);
 
retranslateUi(MainWindow);
 
QMetaObject::connectSlotsByName(MainWindow);
} // setupUi
 
void retranslateUi(QMainWindow *MainWindow)
{
MainWindow->setWindowTitle(QApplication::translate("MainWindow", "MainWindow", 0, QApplication::UnicodeUTF8));
groupBox->setTitle(QApplication::translate("MainWindow", "Alarm List", 0, QApplication::UnicodeUTF8));
label->setText(QApplication::translate("MainWindow", "Alarm 1", 0, QApplication::UnicodeUTF8));
label_2->setText(QApplication::translate("MainWindow", "Alarm 2", 0, QApplication::UnicodeUTF8));
label_3->setText(QApplication::translate("MainWindow", "Alarm 2", 0, QApplication::UnicodeUTF8));
checkBox->setText(QString());
checkBox_2->setText(QString());
checkBox_3->setText(QString());
} // retranslateUi
 
};
 
namespace Ui {
class MainWindow: public Ui_MainWindow {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_MAINWINDOW_H

output window

This code snippet will reflect the output given below.When {{Icode|QCheckBox{{Icode| is ticked at that time time available for editing.

Outputalarm.jpg

Source code

The full source code presented in this article is available here File:Alarmlist.zip

--rahulvala 06:34, 6 April 2010 (UTC)

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