1 files changed, 447 insertions, 0 deletions

diff --git a/kregexpeditor/characterswidget.cpp b/kregexpeditor/characterswidget.cpp
new file mode 100644
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--- /dev/null
+++ b/kregexpeditor/characterswidget.cpp
@@ -0,0 +1,447 @@
+/*
+ *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  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., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#ifdef QT_ONLY
+  #include "compat.h"
+#else
+  #include <kdialogbase.h>
+  #include "characterswidget.moc"
+#endif
+
+#include "characterswidget.h"
+#include "textrangeregexp.h"
+#include "regexp.h"
+#include "charselector.h"
+#include "myfontmetrics.h"
+#include "regexpconverter.h"
+
+#include <qpainter.h>
+#include <qgrid.h>
+#include <iostream>
+#include <qhgroupbox.h>
+#include <qcursor.h>
+#include <qcheckbox.h>
+
+CharacterEdits* CharactersWidget::_configWindow = 0;
+
+CharactersWidget::CharactersWidget(RegExpEditorWindow* editorWindow, QWidget *parent,
+                                   const char *name)
+    : RegExpWidget(editorWindow, parent, name)
+{
+    _regexp = new TextRangeRegExp( false /* not used */);
+}
+
+CharactersWidget::CharactersWidget( TextRangeRegExp* regexp, RegExpEditorWindow* editorWindow,
+                                    QWidget* parent, const char* name )
+    : RegExpWidget( editorWindow, parent, name )
+{
+    _regexp = dynamic_cast<TextRangeRegExp*>( regexp->clone() );
+    Q_ASSERT( _regexp );
+}
+
+CharactersWidget::~CharactersWidget()
+{
+    delete _regexp;
+}
+
+
+QSize CharactersWidget::sizeHint() const
+{
+    QFontMetrics metrics = fontMetrics();
+    _textSize = HackCalculateFontSize(metrics, title());
+    //  _textSize = metrics.size(0, title());
+
+    QSize headerSize = QSize(_textSize.width() + 4 * bdSize,
+                             _textSize.height());
+
+    _contentSize = HackCalculateFontSize(metrics,text());
+    //  _contentSize = metrics.size(0, text());
+
+    return QSize(QMAX(headerSize.width(), bdSize + _contentSize.width() + bdSize+ 2*pw),
+                 headerSize.height() + bdSize + _contentSize.height() + bdSize + 2*pw);
+}
+
+void CharactersWidget::paintEvent(QPaintEvent *e)
+{
+    QSize mySize = sizeHint();
+
+    QPainter painter(this);
+    drawPossibleSelection( painter, mySize );
+
+    int center = _textSize.height()/2;
+    int offset = 0;
+
+    // draw the horizontal line and the label
+    painter.drawLine(pw,center, bdSize,center);
+    offset += pw + 2*bdSize;
+
+    painter.drawText(offset, 0, _textSize.width(), _textSize.height(), 0, title());
+    offset += _textSize.width() + bdSize;
+
+    painter.drawLine(offset, center, mySize.width(), center);
+
+    // Draw the rest of the lines
+    int y = mySize.width() - pw;
+    int x = mySize.height() -pw;
+    painter.drawLine(0,center,0,mySize.height());
+    painter.drawLine(y,center,y,mySize.height());
+    painter.drawLine(0,x,y,x);
+
+    // Draw the text
+    painter.drawText(bdSize, bdSize+_textSize.height(), _contentSize.width(),
+                     _contentSize.height(), 0, text());
+
+    RegExpWidget::paintEvent(e);
+}
+
+RegExp* CharactersWidget::regExp() const
+{
+	RegExp* r = _regexp->clone();
+    r->setSelected( isSelected() );
+    return r;
+}
+
+QString CharactersWidget::text() const
+{
+    QString res = QString::fromLatin1("");
+
+    if (_regexp->wordChar())
+        res += i18n("- A word character\n");
+
+    if (_regexp->nonWordChar())
+        res += i18n("- A non-word character\n");
+
+    if (_regexp->digit())
+        res += i18n("- A digit character\n");
+
+    if (_regexp->nonDigit())
+        res += i18n("- A non-digit character\n");
+
+    if ( _regexp->space() )
+        res += i18n("- A space character\n");
+
+    if ( _regexp->nonSpace() )
+        res += i18n("- A non-space character\n");
+
+    // Single characters
+    QStringList chars = _regexp->chars();
+    if ( !chars.isEmpty() ) {
+        QString str = chars.join( QString::fromLocal8Bit(", ") );
+        res += QString::fromLocal8Bit("- ") + str + QString::fromLocal8Bit("\n");
+    }
+
+    // Ranges characters
+    QPtrList<StringPair> range = _regexp->range();
+    for ( QPtrListIterator<StringPair> it( range ); *it; ++it ) {
+        StringPair* elm = static_cast<StringPair*>(*it);
+        if (elm) {
+            QString fromText = elm->first();
+            QString toText = elm->second();
+
+            res += QString::fromLocal8Bit("- ") + i18n("from ") + fromText + i18n(" to ") + toText + QString::fromLocal8Bit("\n");
+        }
+    }
+    return res.left(res.length()-1);
+}
+
+
+QString CharactersWidget::title() const
+{
+    if (_regexp->negate())
+        return i18n("Any Character Except");
+    else
+        return i18n("One of Following Characters");
+}
+
+
+RegExpWidget* CharactersWidget::findWidgetToEdit( QPoint globalPos )
+{
+    if ( QRect(mapToGlobal(QPoint(0,0)), size()).contains( globalPos ) )
+        return this;
+    else
+        return 0;
+}
+
+int CharactersWidget::edit()
+{
+    if ( _configWindow == 0 ) {
+        QApplication::setOverrideCursor( WaitCursor );
+        // No parent here, as this window should continue to exists.
+        _configWindow = new CharacterEdits( 0, "CharactersWidget::_configWindow" );
+        QApplication::restoreOverrideCursor();
+    }
+
+    _configWindow->move(QCursor::pos() - QPoint(_configWindow->sizeHint().width()/2,
+                                                _configWindow->sizeHint().height()/2));
+    int ret = _configWindow->exec(_regexp );
+    if ( ret == QDialog::Accepted ) {
+        _editorWindow->updateContent( 0 );
+        update();
+    }
+    return ret;
+}
+
+void CharacterEdits::addCharacter( QString txt )
+{
+    KMultiFormListBoxEntryList list = _single->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it(list); *it; ++it ) {
+        SingleEntry* entry = dynamic_cast<SingleEntry*>( *it );
+        if ( entry && entry->isEmpty() ) {
+            entry->setText( txt );
+            return;
+        }
+    }
+
+    SingleEntry* entry = new SingleEntry( _single );
+    entry->setText( txt );
+    _single->append( entry );
+}
+
+void CharacterEdits::addRange( QString from, QString to )
+{
+    KMultiFormListBoxEntryList list = _range->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it(list); *it; ++it ) {
+        RangeEntry* entry = dynamic_cast<RangeEntry*>( *it );
+        if ( entry && entry->isEmpty() ) {
+            entry->setFrom( from );
+            entry->setTo( to );
+            return;
+        }
+    }
+
+    RangeEntry* entry = new RangeEntry( _range );
+    entry->setFrom( from );
+    entry->setTo( to );
+    _range->append( entry );
+}
+
+int CharacterEdits::exec( TextRangeRegExp* regexp )
+{
+    _regexp = regexp;
+    negate->setChecked( regexp->negate() );
+    digit->setChecked( regexp->digit() );
+    _nonDigit->setChecked( regexp->nonDigit() );
+    space->setChecked( regexp->space() );
+    _nonSpace->setChecked( regexp->nonSpace() );
+    wordChar->setChecked( regexp->wordChar() );
+    _nonWordChar->setChecked( regexp->nonWordChar() );
+
+    bool enabled = (RegExpConverter::current()->features() & RegExpConverter::CharacterRangeNonItems);
+    _nonWordChar->setEnabled( enabled );
+    _nonDigit->setEnabled( enabled );
+    _nonSpace->setEnabled( enabled );
+
+    // Characters
+
+    KMultiFormListBoxEntryList list1 = _single->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it(list1); *it; ++it ) {
+        SingleEntry* entry = dynamic_cast<SingleEntry*>( *it );
+        if (entry)
+            entry->setText( QString::fromLocal8Bit("") );
+    }
+    QStringList list2 = regexp->chars();
+    for ( QStringList::Iterator it2( list2.begin() ); ! (*it2).isNull(); ++it2 ) {
+        addCharacter( *it2 );
+    }
+
+    // Ranges
+    KMultiFormListBoxEntryList list3 = _range->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it3(list3); *it3; ++it3 ) {
+        RangeEntry* entry = dynamic_cast<RangeEntry*>( *it3 );
+        if (entry) {
+            entry->setFrom( QString::fromLocal8Bit("") );
+            entry->setTo( QString::fromLocal8Bit("") );
+        }
+    }
+
+    QPtrList<StringPair> ranges = regexp->range();
+    for ( QPtrListIterator<StringPair> it4(ranges); *it4; ++it4 ) {
+        QString from = (*it4)->first();
+        QString to = (*it4)->second();
+        addRange(from,to);
+    }
+
+    int res = KDialogBase::exec();
+    _regexp = 0;
+    return res;
+}
+
+
+CharacterEdits::CharacterEdits( QWidget *parent, const char *name)
+  : KDialogBase( parent, name == 0 ? "CharacterEdits" : name, true,
+                 i18n("Specify Characters"),
+                 KDialogBase::Ok | KDialogBase::Cancel)
+{
+    QWidget* top = new QWidget( this );
+    QVBoxLayout *topLayout = new QVBoxLayout(top, 6);
+    setMainWidget( top );
+
+    negate = new QCheckBox(i18n("Do not match the characters specified here"),
+                           top);
+    topLayout->addWidget( negate );
+
+
+    // The predefined box
+    QHGroupBox* predefined = new QHGroupBox(i18n("Predefined Character Ranges"),top);
+    topLayout->addWidget(predefined);
+    QGrid* grid = new QGrid(3, predefined );
+
+    wordChar = new QCheckBox(i18n("A word character"),grid);
+    digit = new QCheckBox(i18n("A digit character"),grid);
+    space = new QCheckBox(i18n("A space character"), grid);
+
+    _nonWordChar = new QCheckBox(i18n("A non-word character"),grid);
+    _nonDigit = new QCheckBox(i18n("A non-digit character"),grid);
+    _nonSpace = new QCheckBox(i18n("A non-space character"), grid);
+
+    // Single characters
+    QVGroupBox* singleBox = new QVGroupBox(i18n("Single Characters"), top );
+    topLayout->addWidget( singleBox );
+    _single = new KMultiFormListBox(new SingleFactory(), KMultiFormListBox::MultiVisible,
+                                    singleBox);
+    _single->addElement(); _single->addElement(); _single->addElement();
+
+    QWidget* moreW = new QWidget( singleBox );
+    QHBoxLayout* moreLay = new QHBoxLayout( moreW );
+    QPushButton* more = new QPushButton( i18n("More Entries"), moreW );
+    moreLay->addWidget( more );
+    moreLay->addStretch( 1 );
+
+    connect(more,SIGNAL(clicked()), _single, SLOT(addElement()));
+
+    // Ranges
+    QVGroupBox* rangeBox = new QVGroupBox(i18n("Character Ranges"), top );
+    topLayout->addWidget( rangeBox );
+
+    _range = new KMultiFormListBox(new RangeFactory(), KMultiFormListBox::MultiVisible,
+                                   rangeBox);
+    _range->addElement(); _range->addElement(); _range->addElement();
+
+    moreW = new QWidget( rangeBox );
+    moreLay = new QHBoxLayout( moreW );
+    more = new QPushButton( i18n("More Entries"), moreW );
+    moreLay->addWidget( more );
+    moreLay->addStretch( 1 );
+    connect(more,SIGNAL(clicked()), _range, SLOT(addElement()));
+    // Buttons
+    connect(this, SIGNAL(okClicked()), this, SLOT(slotOK()));
+}
+
+void CharacterEdits::slotOK()
+{
+    _regexp->setNegate( negate->isChecked() );
+
+    _regexp->setWordChar( wordChar->isChecked() );
+    _regexp->setNonWordChar( _nonWordChar->isChecked() );
+
+    _regexp->setDigit( digit->isChecked() );
+    _regexp->setNonDigit( _nonDigit->isChecked() );
+
+    _regexp->setSpace( space->isChecked() );
+    _regexp->setNonSpace( _nonSpace->isChecked() );
+
+	// single characters
+    _regexp->clearChars();
+    KMultiFormListBoxEntryList list = _single->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it( list ); *it; ++it ) {
+        SingleEntry* entry = dynamic_cast<SingleEntry*>(*it);
+        if ( entry && !entry->isEmpty() ) {
+            _regexp->addCharacter( entry->text() );
+        }
+    }
+
+    // Ranges
+    _regexp->clearRange();
+    list = _range->elements();
+    for ( QPtrListIterator<KMultiFormListBoxEntry> it2( list ); *it2; ++it2 ) {
+        RangeEntry* entry = dynamic_cast<RangeEntry*>(*it2);
+        if ( entry && !entry->isEmpty() ) {
+            _regexp->addRange( entry->fromText(), entry->toText() );
+        }
+    }
+}
+
+
+SingleEntry::SingleEntry(QWidget* parent, const char* name )
+    :KMultiFormListBoxEntry( parent, name )
+{
+    QHBoxLayout* layout = new QHBoxLayout( this, 3, 6 );
+    _selector = new CharSelector( this );
+    layout->addWidget( _selector );
+    layout->addStretch(1);
+}
+
+QString SingleEntry::text() const
+{
+    return _selector->text();
+}
+
+void SingleEntry::setText( QString text )
+{
+    _selector->setText( text );
+}
+
+bool SingleEntry::isEmpty() const
+{
+    return _selector->isEmpty();
+}
+
+
+RangeEntry::RangeEntry(QWidget* parent, const char* name )
+    :KMultiFormListBoxEntry( parent, name )
+{
+    QHBoxLayout* layout = new QHBoxLayout( this, 3, 6 );
+
+    QLabel* label = new QLabel(i18n("From:"), this );
+    _from = new CharSelector( this );
+    layout->addWidget( label );
+    layout->addWidget( _from );
+
+    layout->addStretch(1);
+
+    label = new QLabel(i18n("end of range","To:"), this );
+    _to = new CharSelector( this );
+    layout->addWidget( label );
+    layout->addWidget( _to );
+}
+
+QString RangeEntry::fromText() const
+{
+    return _from->text();
+}
+
+QString RangeEntry::toText() const
+{
+    return _to->text();
+}
+
+void RangeEntry::setFrom( QString text )
+{
+    _from->setText( text );
+}
+
+void RangeEntry::setTo( QString text )
+{
+    _to->setText( text );
+}
+
+bool RangeEntry::isEmpty() const
+{
+    return _from->isEmpty() || _to->isEmpty();
+}
+