kdeui Library API Documentation

kfontrequester.cpp

00001 /*
00002     Copyright (C) 2003 Nadeem Hasan <nhasan@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017     Boston, MA 02111-1307, USA.
00018 */
00019 
00020 #include "kfontrequester.h"
00021 
00022 #include <qlabel.h>
00023 #include <qpushbutton.h>
00024 #include <qlayout.h>
00025 #include <qtooltip.h>
00026 #include <qwhatsthis.h>
00027 
00028 #include <kfontdialog.h>
00029 #include <klocale.h>
00030 
00031 KFontRequester::KFontRequester( QWidget *parent, const char *name,
00032     bool onlyFixed ) : QWidget( parent, name ),
00033     m_onlyFixed( onlyFixed )
00034 {
00035   QHBoxLayout *layout = new QHBoxLayout( this, 0, KDialog::spacingHint() );
00036 
00037   m_sampleLabel = new QLabel( this, "m_sampleLabel" );
00038   m_button = new QPushButton( i18n( "Choose..." ), this, "m_button" );
00039 
00040   m_sampleLabel->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
00041 
00042   layout->addWidget( m_sampleLabel, 1 );
00043   layout->addWidget( m_button );
00044 
00045   connect( m_button, SIGNAL( clicked() ), SLOT( buttonClicked() ) );
00046 
00047   displaySampleText();
00048   setToolTip();
00049 }
00050 
00051 void KFontRequester::setFont( const QFont &font, bool onlyFixed )
00052 {
00053   m_selFont = font;
00054   m_onlyFixed = onlyFixed;
00055 
00056   displaySampleText();
00057   emit fontSelected( m_selFont );
00058 }
00059 
00060 void KFontRequester::setSampleText( const QString &text )
00061 {
00062   m_sampleText = text;
00063   displaySampleText();
00064 }
00065 
00066 void KFontRequester::setTitle( const QString &title )
00067 {
00068   m_title = title;
00069   setToolTip();
00070 }
00071 
00072 void KFontRequester::buttonClicked()
00073 {
00074   int result = KFontDialog::getFont( m_selFont, m_onlyFixed, parentWidget() );
00075 
00076   if ( result == KDialog::Accepted )
00077   {
00078     displaySampleText();
00079     emit fontSelected( m_selFont );
00080   }
00081 }
00082 
00083 void KFontRequester::displaySampleText()
00084 {
00085   m_sampleLabel->setFont( m_selFont );
00086 
00087   int size = m_selFont.pointSize();
00088   if(size == -1)
00089     size = m_selFont.pixelSize();
00090 
00091   if ( m_sampleText.isEmpty() )
00092     m_sampleLabel->setText( QString( "%1 %2" ).arg( m_selFont.family() )
00093       .arg( size ) );
00094   else
00095     m_sampleLabel->setText( m_sampleText );
00096 }
00097 
00098 void KFontRequester::setToolTip()
00099 {
00100   QToolTip::remove( m_button );
00101   QToolTip::add( m_button, i18n( "Click to select a font" ) );
00102 
00103   QToolTip::remove( m_sampleLabel );
00104   QWhatsThis::remove( m_sampleLabel );
00105 
00106   if ( m_title.isNull() )
00107   {
00108     QToolTip::add( m_sampleLabel, i18n( "Preview of the selected font" ) );
00109     QWhatsThis::add( m_sampleLabel, 
00110         i18n( "This is a preview of the selected font. You can change it"
00111         " by clicking the \"Choose...\" button." ) );
00112   }
00113   else
00114   {
00115     QToolTip::add( m_sampleLabel, 
00116         i18n( "Preview of the \"%1\" font" ).arg( m_title ) );
00117     QWhatsThis::add( m_sampleLabel, 
00118         i18n( "This is a preview of the \"%1\" font. You can change it"
00119         " by clicking the \"Choose...\" button." ).arg( m_title ) );
00120   }
00121 }
00122 
00123 #include "kfontrequester.moc"
00124 
00125 /* vim: et sw=2 ts=2
00126 */
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This file is part of the documentation for kdeui Library Version 3.2.2.
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