OFontSelector has now an optional builtin preview widget

2 files changed, 47 insertions, 9 deletions

diff --git a/libopie/ofontselector.cpp b/libopie/ofontselector.cpp
index e1090b5..b905474 100644
--- a/libopie/ofontselector.cpp
+++ b/libopie/ofontselector.cpp
@@ -1,327 +1,362 @@
 /*
                =.            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;
+public: 
+        QListBox *      m_font_family_list;
+        QComboBox *     m_font_style_list;
+        QComboBox *     m_font_size_list;
+        QMultiLineEdit *m_preview;
 
-        bool         m_pointbug;
+        bool            m_pointbug;
 
-        FontDatabase m_fdb;
+        FontDatabase    m_fdb;
 };
 
 
 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 int qt_version ( )
 {
         const char *qver = qVersion ( );
 
         return ( qver [0] - '0' ) * 100 + ( qver [2] - '0' ) * 10 + ( qver [4] - '0' );
 }
 
 
-OFontSelector::OFontSelector ( QWidget *parent, const char *name, WFlags fl ) : QWidget ( parent, name, fl )
+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 ( )
 {
-        emit fontSelected ( selectedFont ( ));
+        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 ( ));
+                
+}
diff --git a/libopie/ofontselector.h b/libopie/ofontselector.h
index a9c8a72..10d16f0 100644
--- a/libopie/ofontselector.h
+++ b/libopie/ofontselector.h
@@ -1,77 +1,80 @@
 /*
                =.            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.
 
 */
 
 #ifndef __OPIE_FONTSELECTOR_H__
 #define __OPIE_FONTSELECTOR_H__
 
 #include <qwidget.h>
 
 class QListBox;
 class OFontSelectorPrivate;
 
 
 class OFontSelector : public QWidget
 {
     Q_OBJECT
 
 public:
-    OFontSelector ( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
+    OFontSelector ( bool withpreview, QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
     virtual ~OFontSelector ( );
 
         bool selectedFont ( QString &family, QString &style, int &size );
         bool selectedFont ( QString &family, QString &style, int &size, QString &charset );
         
         QFont selectedFont ( );
 
         bool setSelectedFont ( const QFont & );
         bool setSelectedFont ( const QString &family, const QString &style, int size, const QString &charset = 0 );
 
         QString fontFamily ( ) const;
         QString fontStyle ( ) const;
         int fontSize ( ) const;
         QString fontCharSet ( ) const;
 
 signals:
         void fontSelected ( const QFont & );
 
 protected slots:
     virtual void fontFamilyClicked ( int );
     virtual void fontStyleClicked ( int );
     virtual void fontSizeClicked ( int );
 
+protected:
+        virtual void resizeEvent ( QResizeEvent *re );
+
 private:
         void loadFonts ( QListBox * );
 
     void changeFont ( );
         
 private:
         OFontSelectorPrivate *d;
 };
 
 #endif