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Thread: Adding button to QMessageBox doesn't work

  1. 8th February 2012, 17:34 #1
    code_err
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    Default Adding button to QMessageBox doesn't work

    I want to personalize button's labels so i do this:

    Qt Code: 
    1. QMessageBox *msgBox =  new QMessageBox(QMessageBox::Warning, QString("blablabla"), QString("blablabla"), 0, this);
    2.  
    3. msgBox->addButton(QString("Option 1"), QMessageBox::Yes);
    4. msgBox->addButton(QString("Option 2"), QMessageBox::No);
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    and get such a message from compilator:
    Qt Code: 
    1. Window.cpp: In member function 'void PicDevWindow::changeMode(int)':
    2. Window.cpp:268: error: no matching function for call to 'QMessageBox::addButton(QString, QMessageBox::StandardButton)'
    3. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:143: note: candidates are: void QMessageBox::addButton(QAbstractButton*, QMessageBox::ButtonRole)
    4. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:144: note:                 QPushButton* QMessageBox::addButton(const QString&, QMessageBox::ButtonRole)
    5. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:145: note:                 QPushButton* QMessageBox::addButton(QMessageBox::StandardButton)
    6. Window.cpp:269: error: no matching function for call to 'QMessageBox::addButton(QString, QMessageBox::StandardButton)'
    7. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:143: note: candidates are: void QMessageBox::addButton(QAbstractButton*, QMessageBox::ButtonRole)
    8. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:144: note:                 QPushButton* QMessageBox::addButton(const QString&, QMessageBox::ButtonRole)
    9. c:/Qt/4.8.0/include/QtGui/../../src/gui/dialogs/qmessagebox.h:145: note:                 QPushButton* QMessageBox::addButton(QMessageBox::StandardButton)
    10. make[1]: *** [release/Window.o] Error 1
    11. make[1]: Leaving directory `/h/prg0233'
    12. make: *** [release] Error 2
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    when i define earlier
    Qt Code: 
    1. const QString label1("Tak");
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    It still doesn't work.
    Last edited by code_err; 8th February 2012 at 18:28.
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  2. 8th February 2012, 17:53 #2
    KillGabio
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    Default Re: Adding button to QMessageBox doesn't work

    Maybe including a new before calling the constructor QMessageBox (QMessageBox::Warning...); ?
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  3. 8th February 2012, 18:26 #3
    code_err
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    Default Re: Adding button to QMessageBox doesn't work

    Sorry, of course i have new in my code, don't know how it disapeared here.

    Qt Code: 
    1. QMessageBox *msgBox = new QMessageBox(QMessageBox::Warning, QString("blablabla"), QString("blablabla"), 0, this);
    2.  
    3. msgBox->addButton(QMessageBox::Yes);
    4. msgBox->addButton(QMessageBox::No);
    To copy to clipboard, switch view to plain text mode 

    This one works but with default labels
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  4. 8th February 2012, 20:35 #4
    norobro
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    Default Re: Adding button to QMessageBox doesn't work

    The second argument to addButton() is your problem not the QString. It should be QMessageBox::ButtonRole
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  5. The following user says thank you to norobro for this useful post:

    code_err (8th February 2012)
  6. 8th February 2012, 21:40 #5
    code_err
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    Default Re: Adding button to QMessageBox doesn't work

    Yes, it works, thanks.
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