Archived:How to create interactive messagebox for getting user response in Qt

Article Metadata

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Tested with

Devices(s): Emulator

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Compatibility

Platform(s): S60 3rd Edition, S60 5th Edition

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Article

Keywords: QMessageBox

Created: (28 Dec 2008)

Last edited: valderind4 (20 Sep 2009)

Introduction

In this example a messagebox with three buttons is created. User can click on any of these buttons and depending on that a different function can be performed.

Preconditions

• Install latest Qt for S60 see Qt for S60 - Installation packages
• Check this link for installation guide: How to install the package.
• Go through this article: Getting started with Qt for S60
• Download Qt creator IDE V 4.5: http://www.qtsoftware.com/downloads

Various Function

• Holds the informative text that provides a fuller description for the message.

msgBox.setInformativeText("Do you want to save your changes?");

• Holds collection of standard buttons in the message box.

msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);

• Sets the buttons that gets activated when the Escape key is pressed to button.

msgBox.setEscapeButton(QMessageBox::Close);

• To set The window title

 msgBox.setWindowTitle("HELLO WORLD");

Code

#include <QtGui/QApplication>
#include <QMessageBox>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QMessageBox msgBox;
msgBox.setText("The document has been modified.");
msgBox.setInformativeText("Do you want to save your changes?");
msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Save);
int ret = msgBox.exec();
app.quit();
return 1;
}

Screen Shot

More about QMessageBox

More about QMessageBox