annotate kdiff3/src/optiondialog.cpp @ 58:8af4bb9d9a5a

Version 0.9.83

/*
 *   kdiff3 - Text Diff And Merge Tool
 *   This file only: Copyright (C) 2002  Joachim Eibl, [e-mail]
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <qcheckbox.h>
#include <qcombobox.h>
#include <qfont.h>
#include <qframe.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qlineedit.h> 
#include <qvbox.h>
#include <qvalidator.h>
#include <qtooltip.h>
#include <qtextcodec.h>

#include <kapplication.h>
#include <kcolorbtn.h>
#include <kfontdialog.h> // For KFontChooser
#include <kiconloader.h>
#include <klocale.h>
#include <kconfig.h>
#include <kmessagebox.h>
//#include <kkeydialog.h>
#include <map>

#include "optiondialog.h"
#include "diff.h"

void OptionDialog::addOptionItem(OptionItem* p)
{
   m_optionItemList.push_back(p);
}

class OptionItem
{
public:
   OptionItem( OptionDialog* pOptionDialog, QString saveName )
   {
      assert(pOptionDialog!=0);
      pOptionDialog->addOptionItem( this );
      m_saveName = saveName;
   }
   virtual ~OptionItem(){}
   virtual void setToDefault()=0;
   virtual void setToCurrent()=0;
   virtual void apply()=0;
   virtual void write(KConfig*)=0;
   virtual void read(KConfig*)=0;
protected:
   QString m_saveName;
};

class OptionCheckBox : public QCheckBox, public OptionItem
{
public:
   OptionCheckBox( QString text, bool bDefaultVal, const QString& saveName, bool* pbVar,
                   QWidget* pParent, OptionDialog* pOD )
   : QCheckBox( text, pParent ), OptionItem( pOD, saveName )
   {
      m_pbVar = pbVar;
      m_bDefaultVal = bDefaultVal;
   }
   void setToDefault(){ setChecked( m_bDefaultVal );      }
   void setToCurrent(){ setChecked( *m_pbVar );           }
   void apply()       { *m_pbVar = isChecked();                              }
   void write(KConfig* config){ config->writeEntry(m_saveName, *m_pbVar );   }
   void read (KConfig* config){ *m_pbVar = config->readBoolEntry( m_saveName, *m_pbVar ); }
private:
   OptionCheckBox( const OptionCheckBox& ); // private copy constructor without implementation
   bool* m_pbVar;
   bool m_bDefaultVal;
};

class OptionToggleAction : public OptionItem
{
public:
   OptionToggleAction( bool bDefaultVal, const QString& saveName, bool* pbVar, OptionDialog* pOD )
   : OptionItem( pOD, saveName )
   {
      m_pbVar = pbVar;
      *m_pbVar = bDefaultVal;
   }
   void setToDefault(){}
   void setToCurrent(){}
   void apply()       {}
   void write(KConfig* config){ config->writeEntry(m_saveName, *m_pbVar );   }
   void read (KConfig* config){ *m_pbVar = config->readBoolEntry( m_saveName, *m_pbVar ); }
private:
   OptionToggleAction( const OptionToggleAction& ); // private copy constructor without implementation
   bool* m_pbVar;
};


class OptionColorButton : public KColorButton, public OptionItem
{
public:
   OptionColorButton( QColor defaultVal, const QString& saveName, QColor* pVar, QWidget* pParent, OptionDialog* pOD )
   : KColorButton( pParent ), OptionItem( pOD, saveName )
   {
      m_pVar = pVar;
      m_defaultVal = defaultVal;
   }
   void setToDefault(){ setColor( m_defaultVal );      }
   void setToCurrent(){ setColor( *m_pVar );           }
   void apply()       { *m_pVar = color();                              }
   void write(KConfig* config){ config->writeEntry(m_saveName, *m_pVar );   }
   void read (KConfig* config){ *m_pVar = config->readColorEntry( m_saveName, m_pVar ); }
private:
   OptionColorButton( const OptionColorButton& ); // private copy constructor without implementation
   QColor* m_pVar;
   QColor m_defaultVal;
};

class OptionLineEdit : public QComboBox, public OptionItem
{
public:
   OptionLineEdit( const QString& defaultVal, const QString& saveName, QString* pVar,
                   QWidget* pParent, OptionDialog* pOD )
   : QComboBox( pParent ), OptionItem( pOD, saveName )
   {
      m_pVar = pVar;
      m_defaultVal = defaultVal;
      m_list.push_back(defaultVal);
      setEditable(true);
   }
   void setToDefault(){ setCurrentText( m_defaultVal );      }
   void setToCurrent(){ setCurrentText( *m_pVar );           }
   void apply()       { *m_pVar = currentText(); insertText();            }
   void write(KConfig* config){ config->writeEntry( m_saveName, m_list, '|' );      }
   void read (KConfig* config){ 
      m_list = config->readListEntry( m_saveName, '|' ); 
      if ( !m_list.isEmpty() ) *m_pVar = m_list.front();
      clear();
      insertStringList(m_list);
   }
private:
   void insertText()
   {  // Check if the text exists. If yes remove it and
      QString current = currentText();
      m_list.remove( current );
      m_list.push_front( current );
      clear();
      if ( m_list.count()>10 ) m_list.erase( m_list.at(10), m_list.end() );
      insertStringList(m_list);
   }
   OptionLineEdit( const OptionLineEdit& ); // private copy constructor without implementation
   QString* m_pVar;
   QString m_defaultVal;
   QStringList m_list;
};

#if defined QT_NO_VALIDATOR
#error No validator
#endif
class OptionIntEdit : public QLineEdit, public OptionItem
{
public:
   OptionIntEdit( int defaultVal, const QString& saveName, int* pVar, int rangeMin, int rangeMax,
                   QWidget* pParent, OptionDialog* pOD )
   : QLineEdit( pParent ), OptionItem( pOD, saveName )
   {
      m_pVar = pVar;
      m_defaultVal = defaultVal;
      QIntValidator* v = new QIntValidator(this);
      v->setRange( rangeMin, rangeMax );
      setValidator( v );
   }
   void setToDefault(){ QString s;  s.setNum(m_defaultVal); setText( s );  }
   void setToCurrent(){ QString s;  s.setNum(*m_pVar);      setText( s );  }
   void apply()       { const QIntValidator* v=static_cast<const QIntValidator*>(validator());
                        *m_pVar = minMaxLimiter( text().toInt(), v->bottom(), v->top());
                        setText( QString::number(*m_pVar) );  }
   void write(KConfig* config){ config->writeEntry(m_saveName, *m_pVar );   }
   void read (KConfig* config){ *m_pVar = config->readNumEntry( m_saveName, *m_pVar ); }
private:
   OptionIntEdit( const OptionIntEdit& ); // private copy constructor without implementation
   int* m_pVar;
   int m_defaultVal;
};

class OptionComboBox : public QComboBox, public OptionItem
{
public:
   OptionComboBox( int defaultVal, const QString& saveName, int* pVarNum,
                   QWidget* pParent, OptionDialog* pOD )
   : QComboBox( pParent ), OptionItem( pOD, saveName )
   {
      m_pVarNum = pVarNum;
      m_pVarStr = 0;
      m_defaultVal = defaultVal;
      setEditable(false);
   }
   OptionComboBox( int defaultVal, const QString& saveName, QString* pVarStr,
                   QWidget* pParent, OptionDialog* pOD )
   : QComboBox( pParent ), OptionItem( pOD, saveName )
   {
      m_pVarNum = 0;
      m_pVarStr = pVarStr;
      m_defaultVal = defaultVal;
      setEditable(false);
   }
   void setToDefault()
   { 
      setCurrentItem( m_defaultVal ); 
      if (m_pVarStr!=0){ *m_pVarStr=currentText(); } 
   }
   void setToCurrent()
   { 
      if (m_pVarNum!=0) setCurrentItem( *m_pVarNum );
      else              setText( *m_pVarStr );
   }
   void apply()       
   { 
      if (m_pVarNum!=0){ *m_pVarNum = currentItem(); }
      else             { *m_pVarStr = currentText(); }
   }
   void write(KConfig* config)
   { 
      if (m_pVarStr!=0) config->writeEntry(m_saveName, *m_pVarStr );
      else              config->writeEntry(m_saveName, *m_pVarNum );   
   }
   void read (KConfig* config)
   {
      if (m_pVarStr!=0)  setText( config->readEntry( m_saveName, currentText() ) );
      else               *m_pVarNum = config->readNumEntry( m_saveName, *m_pVarNum ); 
   }
private:
   OptionComboBox( const OptionIntEdit& ); // private copy constructor without implementation
   int* m_pVarNum;
   QString* m_pVarStr;
   int m_defaultVal;
   
   void setText(const QString& s)
   {
      // Find the string in the combobox-list, don't change the value if nothing fits.
      for( int i=0; i<count(); ++i )
      {
         if ( text(i)==s )
         {
            if (m_pVarNum!=0) *m_pVarNum = i;
            if (m_pVarStr!=0) *m_pVarStr = s;
            setCurrentItem(i);
            return;
         }
      }
   }
};

OptionDialog::OptionDialog( bool bShowDirMergeSettings, QWidget *parent, char *name )
  :KDialogBase( IconList, i18n("Configure"), Help|Default|Apply|Ok|Cancel,
                Ok, parent, name, true /*modal*/, true )
{
  setHelp( "kdiff3/index.html", QString::null );

  setupFontPage();
  setupColorPage();
  setupEditPage();
  setupDiffPage();
  setupOtherOptions();
  if (bShowDirMergeSettings)
     setupDirectoryMergePage();
     
  // setupRegionalPage();

  //setupKeysPage();

  // Initialize all values in the dialog
  resetToDefaults();
  slotApply();
}

OptionDialog::~OptionDialog( void )
{
}

void OptionDialog::setupOtherOptions()
{
   new OptionToggleAction( false, "AutoAdvance", &m_bAutoAdvance, this );
   new OptionToggleAction( true,  "ShowWhiteSpaceCharacters", &m_bShowWhiteSpaceCharacters, this );
   new OptionToggleAction( true,  "ShowWhiteSpace", &m_bShowWhiteSpace, this );
   new OptionToggleAction( false, "ShowLineNumbers", &m_bShowLineNumbers, this );
   new OptionToggleAction( true,  "HorizDiffWindowSplitting", &m_bHorizDiffWindowSplitting, this );
}

void OptionDialog::setupFontPage( void )
{
   QFrame *page = addPage( i18n("Font"), i18n("Editor & Diff Output Font" ),
                             BarIcon("fonts", KIcon::SizeMedium ) );

   QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

   m_fontChooser = new KFontChooser( page,"font",true/*onlyFixed*/,QStringList(),false,6 );
   topLayout->addWidget( m_fontChooser );

   QGridLayout *gbox = new QGridLayout( 1, 2 );
   topLayout->addLayout( gbox );
   int line=0;

   OptionCheckBox* pItalicDeltas = new OptionCheckBox( i18n("Italic font for deltas"), false, "ItalicForDeltas", &m_bItalicForDeltas, page, this );
   gbox->addMultiCellWidget( pItalicDeltas, line, line, 0, 1 );
   QToolTip::add( pItalicDeltas, i18n(
      "Selects the italic version of the font for differences.\n"
      "If the font doesn't support italic characters, then this does nothing.")
      );
}


void OptionDialog::setupColorPage( void )
{
  QFrame *page = addPage( i18n("Color"), i18n("Colors in Editor & Diff Output"),
     BarIcon("colorize", KIcon::SizeMedium ) );
  QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

  QGridLayout *gbox = new QGridLayout( 7, 2 );
  topLayout->addLayout(gbox);

  QLabel* label;
  int line = 0;

  int depth = QColor::numBitPlanes();
  bool bLowColor = depth<=8;

  OptionColorButton* pFgColor = new OptionColorButton( black,"FgColor", &m_fgColor, page, this );
  label = new QLabel( pFgColor, i18n("Foreground color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pFgColor, line, 1 );
  ++line;

  OptionColorButton* pBgColor = new OptionColorButton( white, "BgColor", &m_bgColor, page, this );
  label = new QLabel( pBgColor, i18n("Background color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pBgColor, line, 1 );

  ++line;

  OptionColorButton* pDiffBgColor = new OptionColorButton( lightGray, "DiffBgColor", &m_diffBgColor, page, this );
  label = new QLabel( pDiffBgColor, i18n("Diff background color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pDiffBgColor, line, 1 );
  ++line;

  OptionColorButton* pColorA = new OptionColorButton(
     bLowColor ? qRgb(0,0,255) : qRgb(0,0,200)/*blue*/, "ColorA", &m_colorA, page, this );
  label = new QLabel( pColorA, i18n("Color A:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColorA, line, 1 );
  ++line;

  OptionColorButton* pColorB = new OptionColorButton(
     bLowColor ? qRgb(0,128,0) : qRgb(0,150,0)/*green*/, "ColorB", &m_colorB, page, this );
  label = new QLabel( pColorB, i18n("Color B:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColorB, line, 1 );
  ++line;

  OptionColorButton* pColorC = new OptionColorButton(
     bLowColor ? qRgb(128,0,128) : qRgb(150,0,150)/*magenta*/, "ColorC", &m_colorC, page, this );
  label = new QLabel( pColorC, i18n("Color C:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColorC, line, 1 );
  ++line;

  OptionColorButton* pColorForConflict = new OptionColorButton( red, "ColorForConflict", &m_colorForConflict, page, this );
  label = new QLabel( pColorForConflict, i18n("Conflict color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColorForConflict, line, 1 );
  ++line;

  OptionColorButton* pColor = new OptionColorButton( 
     bLowColor ? qRgb(192,192,192) : qRgb(220,220,100), "CurrentRangeBgColor", &m_currentRangeBgColor, page, this );
  label = new QLabel( pColor, i18n("Current range background color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColor, line, 1 );
  ++line;

  pColor = new OptionColorButton( 
     bLowColor ? qRgb(255,255,0) : qRgb(255,255,150), "CurrentRangeDiffBgColor", &m_currentRangeDiffBgColor, page, this );
  label = new QLabel( pColor, i18n("Current range diff background color:"), page );
  gbox->addWidget( label, line, 0 );
  gbox->addWidget( pColor, line, 1 );
  ++line;

  topLayout->addStretch(10);
}


void OptionDialog::setupEditPage( void )
{
   QFrame *page = addPage( i18n("Editor"), i18n("Editor Behaviour"),
                           BarIcon("edit", KIcon::SizeMedium ) );
   QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

   QGridLayout *gbox = new QGridLayout( 4, 2 );
   topLayout->addLayout( gbox );
   QLabel* label;
   int line=0;

   OptionCheckBox* pReplaceTabs = new OptionCheckBox( i18n("Tab inserts spaces"), false, "ReplaceTabs", &m_bReplaceTabs, page, this );
   gbox->addMultiCellWidget( pReplaceTabs, line, line, 0, 1 );
   QToolTip::add( pReplaceTabs, i18n(
      "On: Pressing tab generates the appropriate number of spaces.\n"
      "Off: A Tab-character will be inserted.")
      );
   ++line;

   OptionIntEdit* pTabSize = new OptionIntEdit( 8, "TabSize", &m_tabSize, 1, 100, page, this );
   label = new QLabel( pTabSize, i18n("Tab size:"), page );
   gbox->addWidget( label, line, 0 );
   gbox->addWidget( pTabSize, line, 1 );
   ++line;

   OptionCheckBox* pAutoIndentation = new OptionCheckBox( i18n("Auto indentation"), true, "AutoIndentation", &m_bAutoIndentation, page, this  );
   gbox->addMultiCellWidget( pAutoIndentation, line, line, 0, 1 );
   QToolTip::add( pAutoIndentation, i18n(
      "On: The indentation of the previous line is used for a new line.\n"
      ));
   ++line;

   OptionCheckBox* pAutoCopySelection = new OptionCheckBox( i18n("Auto copy selection"), false, "AutoCopySelection", &m_bAutoCopySelection, page, this );
   gbox->addMultiCellWidget( pAutoCopySelection, line, line, 0, 1 );
   QToolTip::add( pAutoCopySelection, i18n(
      "On: Any selection is immediately written to the clipboard.\n"
      "Off: You must explicitely copy e.g. via Ctrl-C."
      ));
   ++line;
   
   label = new QLabel( i18n("Line End Style:"), page );
   gbox->addWidget( label, line, 0 );
   #ifdef _WIN32
   int defaultLineEndStyle = eLineEndDos;
   #else
   int defaultLineEndStyle = eLineEndUnix;
   #endif
   OptionComboBox* pLineEndStyle = new OptionComboBox( defaultLineEndStyle, "LineEndStyle", &m_lineEndStyle, page, this );
   gbox->addWidget( pLineEndStyle, line, 1 );
   pLineEndStyle->insertItem( "Unix", eLineEndUnix );
   pLineEndStyle->insertItem( "Dos/Windows", eLineEndDos );
   QToolTip::add( label, i18n(
      "Sets the line endings for when a edited file is saved.\n"
      "DOS/Windows: CR+LF; Unix: LF; with CR=0D, LF=0A")
      );
   ++line;
      
   OptionCheckBox* pStringEncoding = new OptionCheckBox( i18n("Use locale encoding"), true, "LocaleEncoding", &m_bStringEncoding, page, this );
   gbox->addMultiCellWidget( pStringEncoding, line, line, 0, 1 );
   QToolTip::add( pStringEncoding, i18n(
      "Change this if non-ascii-characters aren't displayed correctly."
      ));
   ++line;

   topLayout->addStretch(10);
}


void OptionDialog::setupDiffPage( void )
{
   QFrame *page = addPage( i18n("Diff & Merge"), i18n("Diff & Merge Settings"),
                           BarIcon("misc", KIcon::SizeMedium ) );
   QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

   QGridLayout *gbox = new QGridLayout( 3, 2 );
   topLayout->addLayout( gbox );
   int line=0;

   QLabel* label=0;

   OptionCheckBox* pPreserveCarriageReturn = new OptionCheckBox( i18n("Preserve carriage return"), false, "PreserveCarriageReturn", &m_bPreserveCarriageReturn, page, this );
   gbox->addMultiCellWidget( pPreserveCarriageReturn, line, line, 0, 1 );
   QToolTip::add( pPreserveCarriageReturn, i18n(
      "Show carriage return characters '\\r' if they exist.\n"
      "Helps to compare files that were modified under different operating systems.")
      );
   ++line;

   OptionCheckBox* pIgnoreNumbers = new OptionCheckBox( i18n("Ignore numbers"), false, "IgnoreNumbers", &m_bIgnoreNumbers, page, this );
   gbox->addMultiCellWidget( pIgnoreNumbers, line, line, 0, 1 );
   QToolTip::add( pIgnoreNumbers, i18n(
      "Ignore number characters during line matching phase. (Similar to Ignore white space.)\n"
      "Might help to compare files with numeric data.")
      );
   ++line;

   OptionCheckBox* pIgnoreComments = new OptionCheckBox( i18n("Ignore C/C++ Comments"), false, "IgnoreComments", &m_bIgnoreComments, page, this );
   gbox->addMultiCellWidget( pIgnoreComments, line, line, 0, 1 );
   QToolTip::add( pIgnoreComments, i18n( "Treat C/C++ comments like white space.")
      );
   ++line;

   OptionCheckBox* pUpCase = new OptionCheckBox( i18n("Convert to upper case"), false, "UpCase", &m_bUpCase, page, this );
   gbox->addMultiCellWidget( pUpCase, line, line, 0, 1 );
   QToolTip::add( pUpCase, i18n(
      "Turn all lower case characters to upper case on reading. (e.g.: 'a'->'A')")
      );
   ++line;

   label = new QLabel( i18n("Preprocessor command:"), page );
   gbox->addWidget( label, line, 0 );
   OptionLineEdit* pLE = new OptionLineEdit( "", "PreProcessorCmd", &m_PreProcessorCmd, page, this );
   gbox->addWidget( pLE, line, 1 );
   QToolTip::add( label, i18n("User defined pre-processing. (See the docs for details.)") );
   ++line;

   label = new QLabel( i18n("Line-matching preprocessor command:"), page );
   gbox->addWidget( label, line, 0 );
   pLE = new OptionLineEdit( "", "LineMatchingPreProcessorCmd", &m_LineMatchingPreProcessorCmd, page, this );
   gbox->addWidget( pLE, line, 1 );
   QToolTip::add( label, i18n("This pre-processor is only used during line matching.\n(See the docs for details.)") );
   ++line;

   OptionCheckBox* pTryHard = new OptionCheckBox( i18n("Try hard (slower)"), true, "TryHard", &m_bTryHard, page, this );
   gbox->addMultiCellWidget( pTryHard, line, line, 0, 1 );
   QToolTip::add( pTryHard, i18n(
      "Enables the --minimal option for the external diff.\n"
      "The analysis of big files will be much slower.")
      );
   ++line;

   label = new QLabel( i18n("Auto advance delay (ms):"), page );
   gbox->addWidget( label, line, 0 );
   OptionIntEdit* pAutoAdvanceDelay = new OptionIntEdit( 500, "AutoAdvanceDelay", &m_autoAdvanceDelay, 0, 2000, page, this );
   gbox->addWidget( pAutoAdvanceDelay, line, 1 );
   QToolTip::add( label,i18n(
      "When in Auto-Advance mode the result of the current selection is shown \n"
      "for the specified time, before jumping to the next conflict. Range: 0-2000 ms")
      );
   ++line;

   label = new QLabel( i18n("White space 2-file merge default:"), page );
   gbox->addWidget( label, line, 0 );
   OptionComboBox* pWhiteSpace2FileMergeDefault = new OptionComboBox( 0, "WhiteSpace2FileMergeDefault", &m_whiteSpace2FileMergeDefault, page, this );
   gbox->addWidget( pWhiteSpace2FileMergeDefault, line, 1 );
   pWhiteSpace2FileMergeDefault->insertItem( i18n("Manual choice"), 0 );
   pWhiteSpace2FileMergeDefault->insertItem( "A", 1 );
   pWhiteSpace2FileMergeDefault->insertItem( "B", 2 );
   QToolTip::add( label, i18n(
      "Allow the merge algorithm to automatically select an input for "
      "white-space-only changes." )
      );
   ++line;

   label = new QLabel( i18n("White space 3-file merge default:"), page );
   gbox->addWidget( label, line, 0 );
   OptionComboBox* pWhiteSpace3FileMergeDefault = new OptionComboBox( 0, "WhiteSpace3FileMergeDefault", &m_whiteSpace3FileMergeDefault, page, this );
   gbox->addWidget( pWhiteSpace3FileMergeDefault, line, 1 );
   pWhiteSpace3FileMergeDefault->insertItem( i18n("Manual choice"), 0 );
   pWhiteSpace3FileMergeDefault->insertItem( "A", 1 );
   pWhiteSpace3FileMergeDefault->insertItem( "B", 2 );
   pWhiteSpace3FileMergeDefault->insertItem( "C", 3 );
   QToolTip::add( label, i18n(
      "Allow the merge algorithm to automatically select an input for "
      "white-space-only changes." )
      );
   ++line;

   topLayout->addStretch(10);
}

void OptionDialog::setupDirectoryMergePage( void )
{
   QFrame *page = addPage( i18n("Directory Merge"), i18n("Directory Merge"),
                           BarIcon("folder", KIcon::SizeMedium ) );
   QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

   QGridLayout *gbox = new QGridLayout( 11, 2 );
   topLayout->addLayout( gbox );
   int line=0;

   OptionCheckBox* pRecursiveDirs = new OptionCheckBox( i18n("Recursive directories"), true, "RecursiveDirs", &m_bDmRecursiveDirs, page, this );
   gbox->addMultiCellWidget( pRecursiveDirs, line, line, 0, 1 );
   QToolTip::add( pRecursiveDirs, i18n("Whether to analyze subdirectories or not.") );
   ++line;
   QLabel* label = new QLabel( i18n("File pattern(s):"), page );
   gbox->addWidget( label, line, 0 );
   OptionLineEdit* pFilePattern = new OptionLineEdit( "*", "FilePattern", &m_DmFilePattern, page, this );
   gbox->addWidget( pFilePattern, line, 1 );
   QToolTip::add( label, i18n(
      "Pattern(s) of files to be analyzed. \n"
      "Wildcards: '*' and '?'\n"
      "Several Patterns can be specified by using the separator: ';'"
      ));
   ++line;

   label = new QLabel( i18n("File-anti-pattern(s):"), page );
   gbox->addWidget( label, line, 0 );
   OptionLineEdit* pFileAntiPattern = new OptionLineEdit( "*.orig;*.o", "FileAntiPattern", &m_DmFileAntiPattern, page, this );
   gbox->addWidget( pFileAntiPattern, line, 1 );
   QToolTip::add( label, i18n(
      "Pattern(s) of files to be excluded from analysis. \n"
      "Wildcards: '*' and '?'\n"
      "Several Patterns can be specified by using the separator: ';'"
      ));
   ++line;

   label = new QLabel( i18n("Dir-anti-pattern(s):"), page );
   gbox->addWidget( label, line, 0 );
   OptionLineEdit* pDirAntiPattern = new OptionLineEdit( "CVS;.deps", "DirAntiPattern", &m_DmDirAntiPattern, page, this );
   gbox->addWidget( pDirAntiPattern, line, 1 );
   QToolTip::add( label, i18n(
      "Pattern(s) of directories to be excluded from analysis. \n"
      "Wildcards: '*' and '?'\n"
      "Several Patterns can be specified by using the separator: ';'"
      ));
   ++line;

   OptionCheckBox* pUseCvsIgnore = new OptionCheckBox( i18n("Use .cvsignore"), false, "UseCvsIgnore", &m_bDmUseCvsIgnore, page, this );
   gbox->addMultiCellWidget( pUseCvsIgnore, line, line, 0, 1 );
   QToolTip::add( pUseCvsIgnore, i18n(
      "Extends the antipattern to anything that would be ignored by CVS.\n"
      "Via local \".cvsignore\"-files this can be directory specific."
      ));
   ++line;

   OptionCheckBox* pFindHidden = new OptionCheckBox( i18n("Find hidden files and directories"), true, "FindHidden", &m_bDmFindHidden, page, this );
   gbox->addMultiCellWidget( pFindHidden, line, line, 0, 1 );
#ifdef _WIN32
   QToolTip::add( pFindHidden, i18n("Finds files and directories with the hidden attribute.") );
#else
   QToolTip::add( pFindHidden, i18n("Finds files and directories starting with '.'.") );
#endif
   ++line;

   OptionCheckBox* pFollowFileLinks = new OptionCheckBox( i18n("Follow file links"), false, "FollowFileLinks", &m_bDmFollowFileLinks, page, this );
   gbox->addMultiCellWidget( pFollowFileLinks, line, line, 0, 1 );
   QToolTip::add( pFollowFileLinks, i18n(
      "On: Compare the file the link points to.\n"
      "Off: Compare the links."
      ));
   ++line;

   OptionCheckBox* pFollowDirLinks = new OptionCheckBox( i18n("Follow directory links"), false, "FollowDirLinks", &m_bDmFollowDirLinks, page, this );
   gbox->addMultiCellWidget( pFollowDirLinks, line, line, 0, 1 );
   QToolTip::add( pFollowDirLinks,    i18n(
      "On: Compare the directory the link points to.\n"
      "Off: Compare the links."
      ));
   ++line;

   OptionCheckBox* pShowOnlyDeltas = new OptionCheckBox( i18n("List only deltas"),false,"ListOnlyDeltas", &m_bDmShowOnlyDeltas, page, this );
   gbox->addMultiCellWidget( pShowOnlyDeltas, line, line, 0, 1 );
   QToolTip::add( pShowOnlyDeltas, i18n(
                 "Files and directories without change will not appear in the list."));
   ++line;

   OptionCheckBox* pTrustDate = new OptionCheckBox( i18n("Trust the modification date (unsafe)"), false, "TrustDate", &m_bDmTrustDate, page, this );
   gbox->addMultiCellWidget( pTrustDate, line, line, 0, 1 );
   QToolTip::add( pTrustDate, i18n("Assume that files are equal if the modification date and file length are equal.\n"
                                     "Useful for big directories or slow networks.") );
   ++line;

   OptionCheckBox* pTrustSize = new OptionCheckBox( i18n("Trust the size (unsafe)"), false, "TrustSize", &m_bDmTrustSize, page, this );
   gbox->addMultiCellWidget( pTrustSize, line, line, 0, 1 );
   QToolTip::add( pTrustSize, i18n("Assume that files are equal if their file lengths are equal.\n"
                                   "Useful for big directories or slow networks when the date is modified during download.") );
   ++line;

   // Some two Dir-options: Affects only the default actions.
   OptionCheckBox* pSyncMode = new OptionCheckBox( i18n("Synchronize directories"), false,"SyncMode", &m_bDmSyncMode, page, this );
   gbox->addMultiCellWidget( pSyncMode, line, line, 0, 1 );
   QToolTip::add( pSyncMode, i18n(
                  "Offers to store files in both directories so that\n"
                  "both directories are the same afterwards.\n"
                  "Works only when comparing two directories without specifying a destination."  ) );
   ++line;

   OptionCheckBox* pCopyNewer = new OptionCheckBox( i18n("Copy newer instead of merging (unsafe)"), false, "CopyNewer", &m_bDmCopyNewer, page, this );
   gbox->addMultiCellWidget( pCopyNewer, line, line, 0, 1 );
   QToolTip::add( pCopyNewer, i18n(
                  "Don't look inside, just take the newer file.\n"
                  "(Use this only if you know what you are doing!)\n"
                  "Only effective when comparing two directories."  ) );
   ++line;

   OptionCheckBox* pCreateBakFiles = new OptionCheckBox( i18n("Backup files (.orig)"), true, "CreateBakFiles", &m_bDmCreateBakFiles, page, this );
   gbox->addMultiCellWidget( pCreateBakFiles, line, line, 0, 1 );
   QToolTip::add( pCreateBakFiles, i18n(
                 "When a file would be saved over an old file, then the old file\n"
                 "will be renamed with a '.orig'-extension instead of being deleted."));
   ++line;

   topLayout->addStretch(10);
}

static void insertCodecs(OptionComboBox* p)
{
   std::multimap<QString,QString> m;  // Using the multimap for case-insensitive sorting.
   int i;
   for(i=0;;++i)
   {
      QTextCodec* pCodec = QTextCodec::codecForIndex ( i );
      if ( pCodec != 0 )  m.insert( std::make_pair( QString(pCodec->mimeName()).upper(), pCodec->mimeName()) );
      else                break;
   }
   
   p->insertItem( i18n("Auto"), 0 );
   std::multimap<QString,QString>::iterator mi;
   for(mi=m.begin(), i=0; mi!=m.end(); ++mi, ++i)
      p->insertItem(mi->second, i+1);
}

void OptionDialog::setupRegionalPage( void )
{
   QFrame *page = addPage( i18n("Regional Settings"), i18n("Regional Settings"),
                           BarIcon("locale"/*"charset"*/, KIcon::SizeMedium ) );
   QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );

   QGridLayout *gbox = new QGridLayout( 3, 2 );
   topLayout->addLayout( gbox );
   int line=0;

   QLabel* label;
#ifdef KREPLACEMENTS_H   
   label = new QLabel( i18n("Language (restart required)"), page );
   gbox->addWidget( label, line, 0 );
   OptionComboBox* pLanguage = new OptionComboBox( 0, "Language", &m_language, page, this );
   gbox->addWidget( pLanguage, line, 1 );
   pLanguage->insertItem( i18n("Auto"), 0 );
   // Read directory: Find all kdiff3_*.qm-files and insert the found files here selection
   QToolTip::add( label, i18n(
      "Choose the language of the GUI-strings or \"Auto\".\n" 
      "For a change of language to take place, quit and restart KDiff3.") 
      );
   ++line;
#endif

   label = new QLabel( i18n("Codec for file contents"), page );
   gbox->addWidget( label, line, 0 );
   OptionComboBox* pFileCodec = new OptionComboBox( 0, "FileCodec", &m_fileCodec, page, this );
   gbox->addWidget( pFileCodec, line, 1 );
   insertCodecs( pFileCodec );
   QToolTip::add( label, i18n(
      "Choose the codec that should be used for your input files\n"
      "or \"Auto\" if unsure." ) 
      );
   ++line;
      
   topLayout->addStretch(10);
}


void OptionDialog::setupKeysPage( void )
{
   //QVBox *page = addVBoxPage( i18n("Keys"), i18n("KeyDialog" ),
   //                          BarIcon("fonts", KIcon::SizeMedium ) );

   //QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
    //           new KFontChooser( page,"font",false/*onlyFixed*/,QStringList(),false,6 );
   //m_pKeyDialog=new KKeyDialog( false, 0 );
   //topLayout->addWidget( m_pKeyDialog );
}

void OptionDialog::slotOk( void )
{
   slotApply();

   // My system returns variable width fonts even though I
   // disabled this. Even QFont::fixedPitch() doesn't work.
   QFontMetrics fm(m_font);
   if ( fm.width('W')!=fm.width('i') )
   {
      int result = KMessageBox::warningYesNo(this, i18n(
         "You selected a variable width font.\n\n"
         "Because this program doesn't handle variable width fonts\n"
         "correctly, you might experience problems while editing.\n\n"
         "Do you want to continue or do you want to select another font."),
         i18n("Incompatible Font"),
         i18n("Continue at Own Risk"), i18n("Select Another Font"));
      if (result==KMessageBox::No)
         return;
   }

   accept();
}


/** Copy the values from the widgets to the public variables.*/
void OptionDialog::slotApply( void )
{
   std::list<OptionItem*>::iterator i;
   for(i=m_optionItemList.begin(); i!=m_optionItemList.end(); ++i)
   {
      (*i)->apply();
   }

   // FontConfigDlg
   m_font = m_fontChooser->font();
   
   emit applyClicked();   
}

/** Set the default values in the widgets only, while the
    public variables remain unchanged. */
void OptionDialog::slotDefault()
{
   int result = KMessageBox::warningContinueCancel(this, i18n("This resets all options. Not only those of the current topic.") );
   if ( result==KMessageBox::Cancel ) return;
   else resetToDefaults();
}

void OptionDialog::resetToDefaults()
{   
   std::list<OptionItem*>::iterator i;
   for(i=m_optionItemList.begin(); i!=m_optionItemList.end(); ++i)
   {
      (*i)->setToDefault();
   }

#ifdef _WIN32
   m_fontChooser->setFont( QFont("Courier New", 10 ), true /*only fixed*/ );
#else
   m_fontChooser->setFont( QFont("Courier", 10 ), true /*only fixed*/ );
#endif
}

/** Initialise the widgets using the values in the public varibles. */
void OptionDialog::setState()
{
   std::list<OptionItem*>::iterator i;
   for(i=m_optionItemList.begin(); i!=m_optionItemList.end(); ++i)
   {
      (*i)->setToCurrent();
   }

   m_fontChooser->setFont( m_font, true /*only fixed*/ );
}

void OptionDialog::saveOptions( KConfig* config )
{
   // No i18n()-Translations here!

   config->setGroup("KDiff3 Options");

   std::list<OptionItem*>::iterator i;
   for(i=m_optionItemList.begin(); i!=m_optionItemList.end(); ++i)
   {
      (*i)->write(config);
   }

   // FontConfigDlg
   config->writeEntry("Font",  m_font );

   // Recent files (selectable in the OpenDialog)
   config->writeEntry( "RecentAFiles", m_recentAFiles, '|' );
   config->writeEntry( "RecentBFiles", m_recentBFiles, '|' );
   config->writeEntry( "RecentCFiles", m_recentCFiles, '|' );
   config->writeEntry( "RecentOutputFiles", m_recentOutputFiles, '|' );
}

void OptionDialog::readOptions( KConfig* config )
{
   // No i18n()-Translations here!

   config->setGroup("KDiff3 Options");

   std::list<OptionItem*>::iterator i;

   for(i=m_optionItemList.begin(); i!=m_optionItemList.end(); ++i)
   {
      (*i)->read(config);
   }

   // Use the current values as default settings.

   // FontConfigDlg
   m_font = config->readFontEntry( "Font", &m_font);

   // Recent files (selectable in the OpenDialog)
   m_recentAFiles = config->readListEntry( "RecentAFiles", '|' );
   m_recentBFiles = config->readListEntry( "RecentBFiles", '|' );
   m_recentCFiles = config->readListEntry( "RecentCFiles", '|' );
   m_recentOutputFiles = config->readListEntry( "RecentOutputFiles", '|' );

   setState();
}

void OptionDialog::slotHelp( void )
{
   KDialogBase::slotHelp();
}



#include "optiondialog.moc"