Yes No message box using QMessageBox

Question

How do I show a message box with Yes No buttons in Qt  and how do I check which of them was pressed   I e  a message box that looks like this

User · Answer

Python equivalent code for a QMessageBox which consist of a question in it and Yes and No button  When Yes Button is clicked it will pop up another message box saying yes is clicked and same for No button also  You can push your own code after if block  button reply   QMessageBox question self  quot Test quot    quot Are you sure want to quit   quot   QMessageBox Yes QMessageBox No    if button reply    QMessageBox Yes      QMessageBox information self   quot Test quot    quot Yes Button Was Clicked quot   else       QMessageBox information self   quot Test quot    quot No Button Was Clicked quot

User · Answer

If you want to make it in python you need check this code in your workbench  also write like this  we created a popup box with python   msgBox   QMessageBox   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  ret   msgBox exec

User · Answer

You can use the QMessage object to create a Message Box then add buttons     QMessageBox msgBox  msgBox setWindowTitle  title    msgBox setText  Question    msgBox setStandardButtons QMessageBox  Yes   msgBox addButton QMessageBox  No   msgBox setDefaultButton QMessageBox  No   if msgBox exec      QMessageBox  Yes        do something  else        do something else

User · Answer

I m missing the translation call tr in the answers   One of the simplest solutions  which allows for later internationalization   if  QMessageBox  Yes    QMessageBox  question this                                                tr  title                                                  tr  Message Question              do stuff     It is generally a good Qt habit to put code-level Strings within a tr  Your String   call    QMessagebox as above works within any QWidget method   EDIT    you can use QMesssageBox outside a QWidget context  see  TobySpeight s answer    If you re even outside a QObject context  replace tr with qApp- gt translate  context    String   - you ll need to  include  lt QApplication gt

User · Answer

You would use QMessageBox  question for that   Example in a hypothetical widget s slot    include  lt QApplication gt   include  lt QMessageBox gt   include  lt QDebug gt           void MyWidget  someSlot       QMessageBox  StandardButton reply    reply   QMessageBox  question this   Test    Quit                                    QMessageBox  Yes QMessageBox  No     if  reply    QMessageBox  Yes        qDebug    lt  lt   Yes was clicked       QApplication  quit        else       qDebug    lt  lt   Yes was  not  clicked           Should work on Qt 4 and 5  requires QT    widgets on Qt 5  and CONFIG    console on Win32 to see qDebug   output   See the StandardButton enum to get a list of buttons you can use  the function returns the button that was clicked  You can set a default button with an extra argument  Qt  chooses a suitable default automatically  if you don t or specify QMessageBox  NoButton

User · Answer

QMessageBox includes static methods to quickly ask such questions    include  lt QApplication gt   include  lt QMessageBox gt   int main int argc  char   argv        QApplication app argc  argv       while  QMessageBox  question nullptr                                   qApp- gt translate  my app    Test                                     qApp- gt translate  my app    Are you sure you want to quit                                      QMessageBox  Yes QMessageBox  No                QMessageBox  Yes             ask again               If your needs are more complex than provided for by the static methods  you should construct a new QMessageBox object  and call its exec   method to show it in its own event loop and obtain the pressed button identifier   For example  we might want to make  No  be the default answer    include  lt QApplication gt   include  lt QMessageBox gt   int main int argc  char   argv        QApplication app argc  argv       auto question   new QMessageBox QMessageBox  Question                                      qApp- gt translate  my app    Test                                        qApp- gt translate  my app    Are you sure you want to quit                                         QMessageBox  Yes QMessageBox  No                                      nullptr       question- gt setDefaultButton QMessageBox  No        while  question- gt exec      QMessageBox  Yes             ask again

User · Answer

QT can be as simple as that of Windows  The equivalent code is  if  QMessageBox  Yes    QMessageBox QMessageBox  Information   title    Question   QMessageBox  Yes QMessageBox  No  exec

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