CODEWITHSUNDEEP
qtqmessagebox
Martin
Martin

Reputation: 1655

Auto close QMessageBox

I'm building a Qt Symbian Project and I want to show a notification for the user that should auto close after some seconds. I have seen that Nokia uses this a lot in their ui.

Right now I'm using the code below so that the user can close the QMessageBox but I would like it if it was possible to auto close the QMessageBox after 1 or 2 seconds. How can I do this using Qt? 

QMessageBox msgBox;
msgBox.setText("Hello!");
msgBox.setIcon(QMessageBox::Information);
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.exec();

Upvotes: 8

Views: 27866

Answers (6)

amasmiller
amasmiller

Reputation: 345

For Python, something like QTimer.singleShot(5000, lambda : qm.done(0)) may work.

The below example will time out close after 5 seconds, triggering the "No" option if it times out.

import sys

from PySide2.QtCore import *
from PySide2.QtWidgets import *

app = QApplication(sys.argv)

qm = QMessageBox()
qm.setText("Continue?")
qm.setStandardButtons(QMessageBox.Yes)
qm.addButton(QMessageBox.No)
qm.setDefaultButton(QMessageBox.No)
QTimer.singleShot(5000, lambda : qm.done(0))
if qm.exec_() == QMessageBox.Yes:
    print("Yes!")
else:
    print("No!")

Upvotes: 3

shwink
shwink

Reputation: 309

This may help someone,

msgBox.button(QMessageBox::Ok)->animateClick(5000);

The messageBox closes after 5 seconds.

Upvotes: 2

gabofer82
gabofer82

Reputation: 63

With this code:

QTimer *timer;
QTimer::singleShot(10000, msgBox, SLOT(close()));

you get:

QObject::connect: Incompatible sender/receiver arguments
        QTimer::timeout() --> QMessageBox::

Becouse msgBOx (the receiver) must be a QtCore object.. and QMessageBox subclassing QtGui. See https://srinikom.github.io/pyside-docs/PySide/QtCore/QTimer.html#PySide.QtCore.PySide.QtCore.QTimer.singleShot

Upvotes: 1

Tachi
Tachi

Reputation: 21

Instead you can use Singleshot Timer to close any dialog box or QLabel with much ease:

QTimer *timer;
QTimer::singleShot(10000, msgBox, SLOT(close()));

Upvotes: 2

Andy M
Andy M

Reputation: 6065

I would suggest to subclass QMessageBox to add your own desired behavior...

It would be interesting to add methods like setAutoClose(bool) and setAutoCloseTimeout(int) and trigger a QTimer on showEvent when the AutoClose option is enabled !

This way, you could even alter the apparence of your QMessageBox and had a text saying "This box will close automatically in XXX seconds..." or a progress bar, etc...

Upvotes: 4

Martin
Martin

Reputation: 1655

Thanks really much! My solution:

I created my own class (MessageBox) this is my code for showing it:

MessageBox msgBox;
msgBox.setText("Hello!");
msgBox.setIcon(QMessageBox::Information);
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.setAutoClose(true);
msgBox.setTimeout(3); //Closes after three seconds
msgBox.exec();

This is my class:

class MessageBox : public QMessageBox

int timeout;
bool autoClose;
int currentTime;

void MessageBox::showEvent ( QShowEvent * event ) {
    currentTime = 0;
    if (autoClose) {
    this->startTimer(1000);
    }
}

void MessageBox::timerEvent(QTimerEvent *event)
{
    currentTime++;
    if (currentTime>=timeout) {
    this->done(0);
    }
}

Upvotes: 8

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