C++/Qt/Color Dialog

Материал из C\C++ эксперт
Перейти к: навигация, поиск

Color dialog demo

<source lang="cpp"> Chapter03\colorandfont\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 <QFontDialog>
  3. include <QColorDialog>

class Tester : public QWidget { public:

 void doColor()
 {
   QColor color = QColorDialog::getColor(Qt::yellow, this );
   if( color.isValid() )
   {
     qDebug( "ok" );
   }
 }
 
 void doFont()
 {
   bool ok;
   QFont font = QFontDialog::getFont( 
                   &ok, 
                   QFont( "Arial", 18 ), 
                   this, 
                   tr("Pick a font") );
   if( ok )
   {
     qDebug( "ok" );
   }
 }

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

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

}


 </source>