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

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18 Sep
2009

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Qt Quick should be used for all UI development on mobile devices. The approach described in this article (based on QWidget) is deprecated.

This (archived) example creates a QMessageBox with three buttons is created. A different operation is performed depending on which button is clicked.

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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Platform Security

Signing Required: Self-Signed

Capabilities: None

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Article

Keywords: QMessageBox

Created: james1980 (28 Dec 2008)

Last edited: hamishwillee (11 Oct 2012)

Preconditions

• Download and install the Qt SDK

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