C++/Qt/QMessageBox

Display translated message on QMessageBox

<source lang="cpp">

Foundations of Qt Development\Chapter10\noop\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QTranslator>

int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 QTranslator translator;
 translator.load( "noop_sv_SE" );
 app.installTranslator( &translator );
 
 char *texts[] = { QT_TRANSLATE_NOOP("main","URL"),
                   QT_TRANSLATE_NOOP("main","Title"),
                   QT_TRANSLATE_NOOP("main","Publisher") };
                   
 char *texts2[] = { QT_TR_NOOP( "This is a very special string."),
                    QT_TR_NOOP( "And this is just as special.") };
 
 QMessageBox::information( 0, qApp->translate("main",texts[2]), qApp->translate(0,texts2[1]) );
 return 0;

}

 </source>

QMessageBox::critical

<source lang="cpp"> Foundations of Qt Development\Chapter03\messagebox\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QInputDialog>
4. include <QIcon>

class Tester : public QWidget { public:

 void test()
 {
   QMessageBox::information( 
       this, 
       tr("Application Name"), 
       tr("An information message.") );
       
   QMessageBox::warning( 
       this, 
       tr("Application Name"), 
       tr("A warning message.") );
       
   QMessageBox::critical( 
     this, 
     tr("Application Name"), 
     tr("A critical message.") );
   switch( QMessageBox::question( 
               this, 
               tr("Application Name"), 
               tr("An information message."), 
               
               QMessageBox::Yes | 
               QMessageBox::No | 
               QMessageBox::Cancel, 
               
               QMessageBox::Cancel ) )
   {
     case QMessageBox::Yes:
       qDebug( "yes" );
       break;
     case QMessageBox::No:
       qDebug( "no" );
       break;
     case QMessageBox::Cancel:
       qDebug( "cancel" );
       break;
     default:
       qDebug( "close" );
       break;
   }
   setWindowIcon( QIcon("cut.png") );
   

{

   bool ok;
   int value = QInputDialog::getInteger( 
                   this, 
                   tr("Integer"), 
                   tr("Enter an angle:"), 
                   90, 
                   0, 
                   360, 
                   1, 
                   &ok );
   if( ok )
   {
   }

} {

   bool ok;    
   QStringList items;
   items << tr("Foo") << tr("Bar") << tr("Baz");
   QString item = QInputDialog::getItem( 
                     this, 
                     tr("Item"), 
                     tr("Pick an item:"), 
                     items, 
                     0, 
                     false, 
                     &ok );
   if( ok && !item.isEmpty() )
   {
   }

} {

   bool ok;    
   QString text = QInputDialog::getText( 
                     this, 
                     tr("String"), 
                     tr("Enter a city name:"), 
                     QLineEdit::Normal, 
                     tr("Alings?s"), 
                     &ok );
   if( ok && !text.isEmpty() )
   {
   }

}

 }

}; int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 Tester t;
 t.test();
 
 return 0;

}

 </source>

QMessageBox::information

<source lang="cpp"> Foundations of Qt Development\Chapter03\messagebox\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QInputDialog>
4. include <QIcon>

class Tester : public QWidget { public:

 void test()
 {
   QMessageBox::information( 
       this, 
       tr("Application Name"), 
       tr("An information message.") );
       
   QMessageBox::warning( 
       this, 
       tr("Application Name"), 
       tr("A warning message.") );
       
   QMessageBox::critical( 
     this, 
     tr("Application Name"), 
     tr("A critical message.") );
   switch( QMessageBox::question( 
               this, 
               tr("Application Name"), 
               tr("An information message."), 
               
               QMessageBox::Yes | 
               QMessageBox::No | 
               QMessageBox::Cancel, 
               
               QMessageBox::Cancel ) )
   {
     case QMessageBox::Yes:
       qDebug( "yes" );
       break;
     case QMessageBox::No:
       qDebug( "no" );
       break;
     case QMessageBox::Cancel:
       qDebug( "cancel" );
       break;
     default:
       qDebug( "close" );
       break;
   }
   setWindowIcon( QIcon("cut.png") );
   

{

   bool ok;
   int value = QInputDialog::getInteger( 
                   this, 
                   tr("Integer"), 
                   tr("Enter an angle:"), 
                   90, 
                   0, 
                   360, 
                   1, 
                   &ok );
   if( ok )
   {
   }

} {

   bool ok;    
   QStringList items;
   items << tr("Foo") << tr("Bar") << tr("Baz");
   QString item = QInputDialog::getItem( 
                     this, 
                     tr("Item"), 
                     tr("Pick an item:"), 
                     items, 
                     0, 
                     false, 
                     &ok );
   if( ok && !item.isEmpty() )
   {
   }

} {

   bool ok;    
   QString text = QInputDialog::getText( 
                     this, 
                     tr("String"), 
                     tr("Enter a city name:"), 
                     QLineEdit::Normal, 
                     tr("Alings?s"), 
                     &ok );
   if( ok && !text.isEmpty() )
   {
   }

}

 }

}; int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 Tester t;
 t.test();
 
 return 0;

}

 </source>

QMessageBox::warning

<source lang="cpp"> Foundations of Qt Development\Chapter03\messagebox\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QInputDialog>
4. include <QIcon>

class Tester : public QWidget { public:

 void test()
 {
   QMessageBox::information( 
       this, 
       tr("Application Name"), 
       tr("An information message.") );
       
   QMessageBox::warning( 
       this, 
       tr("Application Name"), 
       tr("A warning message.") );
       
   QMessageBox::critical( 
     this, 
     tr("Application Name"), 
     tr("A critical message.") );
   switch( QMessageBox::question( 
               this, 
               tr("Application Name"), 
               tr("An information message."), 
               
               QMessageBox::Yes | 
               QMessageBox::No | 
               QMessageBox::Cancel, 
               
               QMessageBox::Cancel ) )
   {
     case QMessageBox::Yes:
       qDebug( "yes" );
       break;
     case QMessageBox::No:
       qDebug( "no" );
       break;
     case QMessageBox::Cancel:
       qDebug( "cancel" );
       break;
     default:
       qDebug( "close" );
       break;
   }
   setWindowIcon( QIcon("cut.png") );
   

{

   bool ok;
   int value = QInputDialog::getInteger( 
                   this, 
                   tr("Integer"), 
                   tr("Enter an angle:"), 
                   90, 
                   0, 
                   360, 
                   1, 
                   &ok );
   if( ok )
   {
   }

} {

   bool ok;    
   QStringList items;
   items << tr("Foo") << tr("Bar") << tr("Baz");
   QString item = QInputDialog::getItem( 
                     this, 
                     tr("Item"), 
                     tr("Pick an item:"), 
                     items, 
                     0, 
                     false, 
                     &ok );
   if( ok && !item.isEmpty() )
   {
   }

} {

   bool ok;    
   QString text = QInputDialog::getText( 
                     this, 
                     tr("String"), 
                     tr("Enter a city name:"), 
                     QLineEdit::Normal, 
                     tr("Alings?s"), 
                     &ok );
   if( ok && !text.isEmpty() )
   {
   }

}

 }

}; int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 Tester t;
 t.test();
 
 return 0;

}

 </source>

Set buttons used by QMessageBox

<source lang="cpp"> Foundations of Qt Development\Chapter03\messagebox\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QInputDialog>
4. include <QIcon>

class Tester : public QWidget { public:

 void test()
 {
   QMessageBox::information( 
       this, 
       tr("Application Name"), 
       tr("An information message.") );
       
   QMessageBox::warning( 
       this, 
       tr("Application Name"), 
       tr("A warning message.") );
       
   QMessageBox::critical( 
     this, 
     tr("Application Name"), 
     tr("A critical message.") );
   switch( QMessageBox::question( 
               this, 
               tr("Application Name"), 
               tr("An information message."), 
               
               QMessageBox::Yes | 
               QMessageBox::No | 
               QMessageBox::Cancel, 
               
               QMessageBox::Cancel ) )
   {
     case QMessageBox::Yes:
       qDebug( "yes" );
       break;
     case QMessageBox::No:
       qDebug( "no" );
       break;
     case QMessageBox::Cancel:
       qDebug( "cancel" );
       break;
     default:
       qDebug( "close" );
       break;
   }
   setWindowIcon( QIcon("cut.png") );
   

{

   bool ok;
   int value = QInputDialog::getInteger( 
                   this, 
                   tr("Integer"), 
                   tr("Enter an angle:"), 
                   90, 
                   0, 
                   360, 
                   1, 
                   &ok );
   if( ok )
   {
   }

} {

   bool ok;    
   QStringList items;
   items << tr("Foo") << tr("Bar") << tr("Baz");
   QString item = QInputDialog::getItem( 
                     this, 
                     tr("Item"), 
                     tr("Pick an item:"), 
                     items, 
                     0, 
                     false, 
                     &ok );
   if( ok && !item.isEmpty() )
   {
   }

} {

   bool ok;    
   QString text = QInputDialog::getText( 
                     this, 
                     tr("String"), 
                     tr("Enter a city name:"), 
                     QLineEdit::Normal, 
                     tr("Alings?s"), 
                     &ok );
   if( ok && !text.isEmpty() )
   {
   }

}

 }

}; int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 Tester t;
 t.test();
 
 return 0;

}

 </source>

Set icon used by QMessageBox

<source lang="cpp"> Foundations of Qt Development\Chapter03\messagebox\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, 
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,  
*       this list of conditions and the following disclaimer in the documentation 
*       and/or other materials provided with the distribution.
*     * Neither the name of APress nor the names of its contributors 
*       may be used to endorse or promote products derived from this software 
*       without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

1. include <QApplication>
2. include <QMessageBox>
3. include <QInputDialog>
4. include <QIcon>

class Tester : public QWidget { public:

 void test()
 {
   QMessageBox::information( 
       this, 
       tr("Application Name"), 
       tr("An information message.") );
       
   QMessageBox::warning( 
       this, 
       tr("Application Name"), 
       tr("A warning message.") );
       
   QMessageBox::critical( 
     this, 
     tr("Application Name"), 
     tr("A critical message.") );
   switch( QMessageBox::question( 
               this, 
               tr("Application Name"), 
               tr("An information message."), 
               
               QMessageBox::Yes | 
               QMessageBox::No | 
               QMessageBox::Cancel, 
               
               QMessageBox::Cancel ) )
   {
     case QMessageBox::Yes:
       qDebug( "yes" );
       break;
     case QMessageBox::No:
       qDebug( "no" );
       break;
     case QMessageBox::Cancel:
       qDebug( "cancel" );
       break;
     default:
       qDebug( "close" );
       break;
   }
   setWindowIcon( QIcon("cut.png") );
   

{

   bool ok;
   int value = QInputDialog::getInteger( 
                   this, 
                   tr("Integer"), 
                   tr("Enter an angle:"), 
                   90, 
                   0, 
                   360, 
                   1, 
                   &ok );
   if( ok )
   {
   }

} {

   bool ok;    
   QStringList items;
   items << tr("Foo") << tr("Bar") << tr("Baz");
   QString item = QInputDialog::getItem( 
                     this, 
                     tr("Item"), 
                     tr("Pick an item:"), 
                     items, 
                     0, 
                     false, 
                     &ok );
   if( ok && !item.isEmpty() )
   {
   }

} {

   bool ok;    
   QString text = QInputDialog::getText( 
                     this, 
                     tr("String"), 
                     tr("Enter a city name:"), 
                     QLineEdit::Normal, 
                     tr("Alings?s"), 
                     &ok );
   if( ok && !text.isEmpty() )
   {
   }

}

 }

}; int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 
 Tester t;
 t.test();
 
 return 0;

}

 </source>