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ofontselector.cpp

/*
               =.            This file is part of the OPIE Project
             .=l.            Copyright (c)  2002 Robert Griebl <sandman@handhelds.org>
           .>+-=
 _;:,     .>    :=|.         This library is free software; you can
.> <`_,   >  .   <=          redistribute it and/or  modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This library is distributed in the hope that
     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
    : ..    .:,     . . .    without even the implied warranty of
    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
..}^=.=       =       ;      Library General Public License for more
++=   -.     .`     .:       details.
 :     =  ...= . :.=-
 -.   .:....=;==+<;          You should have received a copy of the GNU
  -_. . .   )=.  =           Library General Public License along with
    --        :-=`           this library; see the file COPYING.LIB.
                             If not, write to the Free Software Foundation,
                             Inc., 59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.

*/

#include <qlayout.h>
#include <qlistbox.h>
#include <qcombobox.h>
#include <qlabel.h>
#include <qfont.h>
#include <qmultilineedit.h>

#include <qpe/fontdatabase.h>

#include "ofontselector.h"

class OFontSelectorPrivate {
public:
    QListBox *      m_font_family_list;
    QComboBox *     m_font_style_list;
    QComboBox *     m_font_size_list;
    QMultiLineEdit *m_preview;

    bool            m_pointbug : 1;

    FontDatabase    m_fdb;
};

namespace {

class FontListItem : public QListBoxText {
public:
    FontListItem ( const QString &t, const QStringList &styles, const QValueList<int> &sizes ) : QListBoxText ( )
    {
        m_name = t;
        m_styles = styles;
        m_sizes = sizes;

        QString str = t;
        str [0] = str [0]. upper ( );
        setText ( str );
    }

    QString family ( ) const
    {
        return m_name;
    }

    const QStringList &styles ( ) const
    {
        return m_styles;
    }

    const QValueList<int> &sizes ( ) const
    {
        return m_sizes;
    }

private:
    QStringList m_styles;
    QValueList<int> m_sizes;
    QString m_name;
};


static int findItemCB ( QComboBox *box, const QString &str )
{
    for ( int i = 0; i < box-> count ( ); i++ ) {
        if ( box-> text ( i ) == str )
            return i;
    }
    return -1;
}

}
/* static same as anon. namespace */
static int qt_version ( )
{
    const char *qver = qVersion ( );

    return ( qver [0] - '0' ) * 100 + ( qver [2] - '0' ) * 10 + ( qver [4] - '0' );
}

OFontSelector::OFontSelector ( bool withpreview, QWidget *parent, const char *name, WFlags fl ) : QWidget ( parent, name, fl )
{
    d = new OFontSelectorPrivate ( );

    QGridLayout *gridLayout = new QGridLayout ( this, 0, 0, 4, 4 );
    gridLayout->setRowStretch ( 4, 10 );

    d-> m_font_family_list = new QListBox( this, "FontListBox" );
    gridLayout->addMultiCellWidget( d-> m_font_family_list, 0, 4, 0, 0 );
    connect( d-> m_font_family_list, SIGNAL( highlighted( int ) ), this, SLOT( fontFamilyClicked( int ) ) );

    QLabel *label = new QLabel( tr( "Style" ), this );
    gridLayout->addWidget( label, 0, 1 );

    d-> m_font_style_list = new QComboBox( this, "StyleListBox" );
    connect( d-> m_font_style_list, SIGNAL(  activated( int ) ), this, SLOT( fontStyleClicked( int ) ) );
    gridLayout->addWidget( d-> m_font_style_list, 1, 1 );

    label = new QLabel( tr( "Size" ), this );
    gridLayout->addWidget( label, 2, 1 );

    d-> m_font_size_list = new QComboBox( this, "SizeListBox" );
    connect( d-> m_font_size_list, SIGNAL(  activated( int ) ),
             this, SLOT( fontSizeClicked( int ) ) );
    gridLayout->addWidget( d-> m_font_size_list, 3, 1 );

    d-> m_pointbug = ( qt_version ( ) <= 233 );

    if ( withpreview ) {
        d-> m_preview = new QMultiLineEdit ( this, "Preview" );
        d-> m_preview-> setAlignment ( AlignCenter );
        d-> m_preview-> setWordWrap ( QMultiLineEdit::WidgetWidth );
        d-> m_preview-> setMargin ( 3 );
        d-> m_preview-> setText ( tr( "The Quick Brown Fox Jumps Over The Lazy Dog" ));
        gridLayout-> addRowSpacing ( 5, 4 );
        gridLayout-> addMultiCellWidget ( d-> m_preview, 6, 6, 0, 1 );
        gridLayout-> setRowStretch ( 6, 5 );
    }
    else
        d-> m_preview = 0;

    loadFonts ( d-> m_font_family_list );
}

OFontSelector::~OFontSelector ( )
{
    delete d;
}

bool OFontSelector::setSelectedFont ( const QFont &f )
{
    return setSelectedFont ( f. family ( ), d-> m_fdb. styleString ( f ), f. pointSize ( ), QFont::encodingName ( f. charSet ( )));
}


bool OFontSelector::setSelectedFont ( const QString &familyStr, const QString &styleStr, int sizeVal, const QString & charset )
{
    QString sizeStr = QString::number ( sizeVal );

    QListBoxItem *family = d-> m_font_family_list-> findItem ( familyStr );
    if ( !family )
        family = d-> m_font_family_list-> findItem ( "Helvetica" );
    if ( !family )
        family = d-> m_font_family_list-> firstItem ( );
     d-> m_font_family_list-> setCurrentItem ( family );
    fontFamilyClicked ( d-> m_font_family_list-> index ( family ));

    int style = findItemCB ( d-> m_font_style_list, styleStr );
    if ( style < 0 )
        style = findItemCB ( d-> m_font_style_list, "Regular" );
    if ( style < 0 && d-> m_font_style_list-> count ( ) > 0 )
        style = 0;
    d-> m_font_style_list-> setCurrentItem ( style );
    fontStyleClicked ( style );

    int size = findItemCB ( d-> m_font_size_list, sizeStr );
    if ( size < 0 )
        size = findItemCB ( d-> m_font_size_list, "10" );
    if ( size < 0 && d-> m_font_size_list-> count ( ) > 0 )
        size = 0;
    d-> m_font_size_list-> setCurrentItem ( size );
    fontSizeClicked ( size );

    return (( family ) && ( style >= 0 ) && ( size >= 0 ));
}

bool OFontSelector::selectedFont ( QString &family, QString &style, int &size )
{
    QString dummy;
    return selectedFont ( family, style, size, dummy );
}


QString OFontSelector::fontFamily ( ) const
{
    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( d-> m_font_family_list-> currentItem ( ));

    return fli ? fli-> family ( ) : QString::null;
}

QString OFontSelector::fontStyle ( ) const
{
    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( d-> m_font_family_list-> currentItem ( ));
    int fst = d-> m_font_style_list-> currentItem ( );

    return ( fli && fst >= 0 ) ? fli-> styles ( ) [fst] : QString::null;
}

int OFontSelector::fontSize ( ) const
{
    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( d-> m_font_family_list-> currentItem ( ));
    int fsi = d-> m_font_size_list-> currentItem ( );

    return ( fli && fsi >= 0 ) ? fli-> sizes ( ) [fsi] : 10;
}

QString OFontSelector::fontCharSet ( ) const
{
    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( d-> m_font_family_list-> currentItem ( ));

    return fli ? d-> m_fdb. charSets ( fli-> family ( )) [0] : QString::null;
}

bool OFontSelector::selectedFont ( QString &family, QString &style, int &size, QString &charset )
{
    int ffa = d-> m_font_family_list-> currentItem ( );
    int fst = d-> m_font_style_list-> currentItem ( );
    int fsi = d-> m_font_size_list-> currentItem ( );

    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( ffa );

    if ( fli ) {
        family = fli-> family ( );
        style = fst >= 0 ? fli-> styles ( ) [fst] : QString::null;
        size = fsi >= 0 ? fli-> sizes ( ) [fsi] : 10;
        charset = d-> m_fdb. charSets ( fli-> family ( )) [0];

        return true;
    }
    else
        return false;
}




void OFontSelector::loadFonts ( QListBox *list )
{
    QStringList f = d-> m_fdb. families ( );

    for ( QStringList::ConstIterator it = f. begin ( ); it != f. end ( ); ++it ) {
        QValueList <int> ps = d-> m_fdb. pointSizes ( *it );

        if ( d-> m_pointbug ) {
            for ( QValueList <int>::Iterator it = ps. begin ( ); it != ps. end ( ); it++ )
                *it /= 10;
        }

        list-> insertItem ( new FontListItem ( *it, d-> m_fdb. styles ( *it ), ps ));
    }
}

void OFontSelector::fontFamilyClicked ( int index )
{
    QString oldstyle = d-> m_font_style_list-> currentText ( );
    QString oldsize  = d-> m_font_size_list-> currentText ( );

    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( index );

    d-> m_font_style_list-> clear ( );
    d-> m_font_style_list-> insertStringList ( fli-> styles ( ));
    d-> m_font_style_list-> setEnabled ( !fli-> styles ( ). isEmpty ( ));

    int i;

    i = findItemCB ( d-> m_font_style_list, oldstyle );
    if ( i < 0 )
        i = findItemCB ( d-> m_font_style_list, "Regular" );
    if (( i < 0 ) && ( d-> m_font_style_list-> count ( ) > 0 ))
        i = 0;

    if ( i >= 0 ) {
        d-> m_font_style_list-> setCurrentItem ( i );
        fontStyleClicked ( i );
    }

    d-> m_font_size_list-> clear ( );
    QValueList<int> sl = fli-> sizes ( );

    for ( QValueList<int>::Iterator it = sl. begin ( ); it != sl. end ( ); ++it )
        d-> m_font_size_list-> insertItem ( QString::number ( *it ));

    i = findItemCB ( d-> m_font_size_list, oldsize );
    if ( i < 0 )
        i = findItemCB ( d-> m_font_size_list, "10" );
    if (( i < 0 ) && ( d-> m_font_size_list-> count ( ) > 0 ))
        i = 0;

    if ( i >= 0 ) {
        d-> m_font_size_list-> setCurrentItem ( i );
        fontSizeClicked ( i );
    }
    changeFont ( );
}

void OFontSelector::fontStyleClicked ( int /*index*/ )
{
    changeFont ( );
}

void OFontSelector::fontSizeClicked ( int /*index*/ )
{
    changeFont ( );
}

void OFontSelector::changeFont ( )
{
    QFont f = selectedFont ( );

    if ( d-> m_preview )
        d-> m_preview-> setFont ( f );

    emit fontSelected ( f );
}

QFont OFontSelector::selectedFont ( )
{
    int ffa = d-> m_font_family_list-> currentItem ( );
    int fst = d-> m_font_style_list-> currentItem ( );
    int fsi = d-> m_font_size_list-> currentItem ( );

    FontListItem *fli = (FontListItem *) d-> m_font_family_list-> item ( ffa );

    if ( fli ) {
        return d-> m_fdb. font ( fli-> family ( ), \
                                 fst >= 0 ? fli-> styles ( ) [fst] : QString::null, \
                                 fsi >= 0 ? fli-> sizes ( ) [fsi] : 10, \
                                 d-> m_fdb. charSets ( fli-> family ( )) [0] );
    }
    else
        return QFont ( );
}


void OFontSelector::resizeEvent ( QResizeEvent *re )
{
    if ( d-> m_preview ) {
        d-> m_preview-> setMinimumHeight ( 1 );
        d-> m_preview-> setMaximumHeight ( 32767 );
    }

    QWidget::resizeEvent ( re );

    if ( d-> m_preview )
        d-> m_preview-> setFixedHeight ( d-> m_preview-> height ( ));

}

This file is part of the documentation for OPIE Version 1.1.

Documentation copyright © 1997-2003 the KDE developers. 2003 OPIE developers
Generated on Tue Feb 10 20:24:44 2004 by doxygen 1.3.5 written by Dimitri van Heesch, © 1997-2001