Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 546 insertions, 0 deletions

diff --git a/kdeui/kcharselect.cpp b/kdeui/kcharselect.cpp
new file mode 100644
index 000000000..295b3efc9
--- /dev/null
+++ b/kdeui/kcharselect.cpp
@@ -0,0 +1,546 @@
+/* This file is part of the KDE libraries
+
+   Copyright (C) 1999 Reginald Stadlbauer <reggie@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 as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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.
+*/
+
+#include "kcharselect.h"
+#include "kcharselect.moc"
+
+#include <qbrush.h>
+#include <qcolor.h>
+#include <qevent.h>
+#include <qfont.h>
+#include <qfontdatabase.h>
+#include <qhbox.h>
+#include <qkeycode.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <qpen.h>
+#include <qregexp.h>
+#include <qstyle.h>
+#include <qtooltip.h>
+#include <qvalidator.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kdialog.h>
+#include <klineedit.h>
+#include <klocale.h>
+
+class KCharSelect::KCharSelectPrivate
+{
+public:
+    QLineEdit *unicodeLine;
+};
+
+QFontDatabase * KCharSelect::fontDataBase = 0;
+
+void KCharSelect::cleanupFontDatabase()
+{
+    delete fontDataBase;
+    fontDataBase = 0;
+}
+
+/******************************************************************/
+/* Class: KCharSelectTable					  */
+/******************************************************************/
+
+//==================================================================
+KCharSelectTable::KCharSelectTable( QWidget *parent, const char *name, const QString &_font,
+				    const QChar &_chr, int _tableNum )
+    : QGridView( parent, name ), vFont( _font ), vChr( _chr ),
+      vTableNum( _tableNum ), vPos( 0, 0 ), focusItem( _chr ), focusPos( 0, 0 ), d(0)
+{
+    setBackgroundColor( colorGroup().base() );
+
+    setCellWidth( 20 );
+    setCellHeight( 25 );
+
+    setNumCols( 32 );
+    setNumRows( 8 );
+
+    repaintContents( false );
+    
+    setToolTips();
+
+    setFocusPolicy( QWidget::StrongFocus );
+    setBackgroundMode( QWidget::NoBackground );
+}
+
+//==================================================================
+void KCharSelectTable::setFont( const QString &_font )
+{
+    vFont = _font;
+    repaintContents( false );
+
+    setToolTips();
+}
+
+//==================================================================
+void KCharSelectTable::setChar( const QChar &_chr )
+{
+    vChr = _chr;
+    repaintContents( false );
+}
+
+//==================================================================
+void KCharSelectTable::setTableNum( int _tableNum )
+{
+    focusItem = QChar( _tableNum * 256 );
+
+    vTableNum = _tableNum;
+    repaintContents( false );
+
+    setToolTips();
+}
+
+//==================================================================
+QSize KCharSelectTable::sizeHint() const
+{
+    int w = cellWidth();
+    int h = cellHeight();
+
+    w *= numCols();
+    h *= numRows();
+
+    return QSize( w, h );
+}
+
+//==================================================================
+void KCharSelectTable::resizeEvent( QResizeEvent * e )
+{
+    const int new_w   = (e->size().width()  - 2*(margin()+frameWidth())) / numCols();
+    const int new_h   = (e->size().height() - 2*(margin()+frameWidth())) / numRows();
+
+    if( new_w !=  cellWidth())
+        setCellWidth( new_w );
+    if( new_h !=  cellHeight())
+        setCellHeight( new_h );
+
+    setToolTips();
+}
+
+//==================================================================
+void KCharSelectTable::paintCell( class QPainter* p, int row, int col )
+{
+    const int w = cellWidth();
+    const int h = cellHeight();
+    const int x2 = w - 1;
+    const int y2 = h - 1;
+
+    //if( row == 0 && col == 0 ) {
+    //    printf("Repaint %d\n", temp++);
+    //    fflush( stdout );
+    //    }
+
+    QFont font = QFont( vFont );
+    font.setPixelSize( int(.7 * h) );
+
+    unsigned short c = vTableNum * 256;
+    c += row * numCols();
+    c += col;
+
+    if ( c == vChr.unicode() ) {
+	p->setBrush( QBrush( colorGroup().highlight() ) );
+	p->setPen( NoPen );
+	p->drawRect( 0, 0, w, h );
+	p->setPen( colorGroup().highlightedText() );
+	vPos = QPoint( col, row );
+    } else {
+	QFontMetrics fm = QFontMetrics( font );
+	if( fm.inFont( c ) )
+		p->setBrush( QBrush( colorGroup().base() ) );
+	else
+		p->setBrush( QBrush( colorGroup().button() ) );
+	p->setPen( NoPen );
+	p->drawRect( 0, 0, w, h );
+	p->setPen( colorGroup().text() );
+    }
+
+    if ( c == focusItem.unicode() && hasFocus() ) {
+	style().drawPrimitive( QStyle::PE_FocusRect, p, QRect( 2, 2, w - 4, h - 4 ), 
+			       colorGroup() );
+	focusPos = QPoint( col, row );
+    }
+
+    p->setFont( font );
+
+    p->drawText( 0, 0, x2, y2, AlignHCenter | AlignVCenter, QString( QChar( c ) ) );
+
+    p->setPen( colorGroup().text() );
+    p->drawLine( x2, 0, x2, y2 );
+    p->drawLine( 0, y2, x2, y2 );
+
+    if ( row == 0 )
+	p->drawLine( 0, 0, x2, 0 );
+    if ( col == 0 )
+	p->drawLine( 0, 0, 0, y2 );
+}
+
+//==================================================================
+void KCharSelectTable::mouseMoveEvent( QMouseEvent *e )
+{
+    const int row = rowAt( e->y() );
+    const int col = columnAt( e->x() );
+    if ( row >= 0 && row < numRows() && col >= 0 && col < numCols() ) {
+	const QPoint oldPos = vPos;
+
+	vPos.setX( col );
+	vPos.setY( row );
+
+	vChr = QChar( vTableNum * 256 + numCols() * vPos.y() + vPos.x() );
+
+	const QPoint oldFocus = focusPos;
+
+	focusPos = vPos;
+	focusItem = vChr;
+
+	repaintCell( oldFocus.y(), oldFocus.x(), true );
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( vPos.y(), vPos.x(), true );
+
+	emit highlighted( vChr );
+	emit highlighted();
+
+	emit focusItemChanged( focusItem );
+	emit focusItemChanged();
+    }
+}
+
+//==================================================================
+void KCharSelectTable::keyPressEvent( QKeyEvent *e )
+{
+    switch ( e->key() ) {
+    case Key_Left:
+	gotoLeft();
+	break;
+    case Key_Right:
+	gotoRight();
+	break;
+    case Key_Up:
+	gotoUp();
+	break;
+    case Key_Down:
+	gotoDown();
+	break;
+    case Key_Next:
+	emit tableDown();
+	break;
+    case Key_Prior:
+	emit tableUp();
+	break;
+    case Key_Space:
+	emit activated( ' ' );
+	emit activated();
+	emit highlighted( ' ' );
+	emit highlighted();
+        break;
+    case Key_Enter: case Key_Return: {
+	const QPoint oldPos = vPos;
+
+	vPos = focusPos;
+	vChr = focusItem;
+
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( vPos.y(), vPos.x(), true );
+
+	emit activated( vChr );
+	emit activated();
+	emit highlighted( vChr );
+	emit highlighted();
+    } break;
+    }
+}
+
+//==================================================================
+void KCharSelectTable::gotoLeft()
+{
+    if ( focusPos.x() > 0 ) {
+	const QPoint oldPos = focusPos;
+
+	focusPos.setX( focusPos.x() - 1 );
+
+	focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
+
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( focusPos.y(), focusPos.x(), true );
+
+	emit focusItemChanged( vChr );
+	emit focusItemChanged();
+    }
+}
+
+//==================================================================
+void KCharSelectTable::gotoRight()
+{
+    if ( focusPos.x() < numCols()-1 ) {
+	const QPoint oldPos = focusPos;
+
+	focusPos.setX( focusPos.x() + 1 );
+
+	focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
+
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( focusPos.y(), focusPos.x(), true );
+
+	emit focusItemChanged( vChr );
+	emit focusItemChanged();
+    }
+}
+
+//==================================================================
+void KCharSelectTable::gotoUp()
+{
+    if ( focusPos.y() > 0 ) {
+	const QPoint oldPos = focusPos;
+
+	focusPos.setY( focusPos.y() - 1 );
+
+	focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
+
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( focusPos.y(), focusPos.x(), true );
+
+	emit focusItemChanged( vChr );
+	emit focusItemChanged();
+    }
+}
+
+//==================================================================
+void KCharSelectTable::gotoDown()
+{
+    if ( focusPos.y() < numRows()-1 ) {
+	const QPoint oldPos = focusPos;
+
+	focusPos.setY( focusPos.y() + 1 );
+
+	focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
+
+	repaintCell( oldPos.y(), oldPos.x(), true );
+	repaintCell( focusPos.y(), focusPos.x(), true );
+
+	emit focusItemChanged( vChr );
+	emit focusItemChanged();
+    }
+}
+
+//==================================================================
+void KCharSelectTable::setToolTips()
+{
+    const int rowCount = numRows();
+    const int colCount = numCols();
+    for( int i=0 ; i< rowCount; ++i )
+    {
+	for( int j=0; j< colCount; ++j )
+	{
+	    const QRect r( cellWidth()*j, cellHeight()*i, cellWidth(), cellHeight() );
+	    QToolTip::remove(this,r);
+	    const ushort uni = vTableNum * 256 + numCols()*i + j;
+	    QString s;
+	    s.sprintf( "%04X", uint( uni ) );
+	    QString character; // Character (which sometimes need to be escaped)
+            switch ( uni )
+	    {
+                case 0x3c: character = "&lt;"; break;
+                case 0x3e: character = "&gt;"; break;
+                case 0x26: character = "&amp;"; break;
+                case 0x27: character = "&apos;"; break;
+                case 0x22: character = "&quot;"; break;
+                default: character = QChar( uni ); break;
+	    }
+	    QToolTip::add(this, r, i18n( "Character","<qt><font size=\"+4\" face=\"%1\">%2</font><br>Unicode code point: U+%3<br>(In decimal: %4)<br>(Character: %5)</qt>" ).arg( vFont ).arg( character ).arg( s ).arg( uni ).arg( character ) );
+	}
+    }
+}
+
+/******************************************************************/
+/* Class: KCharSelect						  */
+/******************************************************************/
+
+//==================================================================
+KCharSelect::KCharSelect( QWidget *parent, const char *name, const QString &_font, const QChar &_chr, int _tableNum )
+  : QVBox( parent, name ), d(new KCharSelectPrivate)
+{
+    setSpacing( KDialog::spacingHint() );
+    QHBox* const bar = new QHBox( this );
+    bar->setSpacing( KDialog::spacingHint() );
+
+    QLabel* const lFont = new QLabel( i18n( "Font:" ), bar );
+    lFont->resize( lFont->sizeHint() );
+    lFont->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
+    lFont->setMaximumWidth( lFont->sizeHint().width() );
+
+    fontCombo = new QComboBox( true, bar );
+    fillFontCombo();
+    fontCombo->resize( fontCombo->sizeHint() );
+
+    connect( fontCombo, SIGNAL( activated( const QString & ) ), this, SLOT( fontSelected( const QString & ) ) );
+
+    QLabel* const lTable = new QLabel( i18n( "Table:" ), bar );
+    lTable->resize( lTable->sizeHint() );
+    lTable->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
+    lTable->setMaximumWidth( lTable->sizeHint().width() );
+
+    tableSpinBox = new QSpinBox( 0, 255, 1, bar );
+    tableSpinBox->resize( tableSpinBox->sizeHint() );
+
+    connect( tableSpinBox, SIGNAL( valueChanged( int ) ), this, SLOT( tableChanged( int ) ) );
+
+    QLabel* const lUnicode = new QLabel( i18n( "&Unicode code point:" ), bar );
+    lUnicode->resize( lUnicode->sizeHint() );
+    lUnicode->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
+    lUnicode->setMaximumWidth( lUnicode->sizeHint().width() );
+
+    const QRegExp rx( "[a-fA-F0-9]{1,4}" );
+    QValidator* const validator = new QRegExpValidator( rx, this );
+
+    d->unicodeLine = new KLineEdit( bar );
+    d->unicodeLine->setValidator(validator);
+    lUnicode->setBuddy(d->unicodeLine);
+    d->unicodeLine->resize( d->unicodeLine->sizeHint() );
+    slotUpdateUnicode(_chr);
+
+    connect( d->unicodeLine, SIGNAL( returnPressed() ), this, SLOT( slotUnicodeEntered() ) );
+
+    charTable = new KCharSelectTable( this, name, _font.isEmpty() ? QVBox::font().family() : _font, _chr, _tableNum );
+    const QSize sz( charTable->contentsWidth()  +  4 ,
+                    charTable->contentsHeight() +  4 );
+    charTable->resize( sz );
+    //charTable->setMaximumSize( sz );
+    charTable->setMinimumSize( sz );
+    charTable->setHScrollBarMode( QScrollView::AlwaysOff );
+    charTable->setVScrollBarMode( QScrollView::AlwaysOff );
+
+    setFont( _font.isEmpty() ? QVBox::font().family() : _font );
+    setTableNum( _tableNum );
+
+    connect( charTable, SIGNAL( highlighted( const QChar & ) ), this, SLOT( slotUpdateUnicode( const QChar & ) ) );
+    connect( charTable, SIGNAL( highlighted( const QChar & ) ), this, SLOT( charHighlighted( const QChar & ) ) );
+    connect( charTable, SIGNAL( highlighted() ), this, SLOT( charHighlighted() ) );
+    connect( charTable, SIGNAL( activated( const QChar & ) ), this, SLOT( charActivated( const QChar & ) ) );
+    connect( charTable, SIGNAL( activated() ), this, SLOT( charActivated() ) );
+    connect( charTable, SIGNAL( focusItemChanged( const QChar & ) ),
+	     this, SLOT( charFocusItemChanged( const QChar & ) ) );
+    connect( charTable, SIGNAL( focusItemChanged() ), this, SLOT( charFocusItemChanged() ) );
+    connect( charTable, SIGNAL( tableUp() ), this, SLOT( charTableUp() ) );
+    connect( charTable, SIGNAL( tableDown() ), this, SLOT( charTableDown() ) );
+
+    connect( charTable, SIGNAL(doubleClicked()),this,SLOT(slotDoubleClicked()));
+
+    setFocusPolicy( QWidget::StrongFocus );
+    setFocusProxy( charTable );
+}
+
+KCharSelect::~KCharSelect()
+{
+    delete d;
+}
+
+//==================================================================
+QSize KCharSelect::sizeHint() const
+{
+    return QVBox::sizeHint();
+}
+
+//==================================================================
+void KCharSelect::setFont( const QString &_font )
+{
+    const QValueList<QString>::Iterator it = fontList.find( _font );
+    if ( it != fontList.end() ) {
+	QValueList<QString>::Iterator it2 = fontList.begin();
+	int pos = 0;
+	for ( ; it != it2; ++it2, ++pos);
+	fontCombo->setCurrentItem( pos );
+	charTable->setFont( _font );
+    }
+    else
+	kdWarning() << "Can't find Font: " << _font << endl;
+}
+
+//==================================================================
+void KCharSelect::setChar( const QChar &_chr )
+{
+    charTable->setChar( _chr );
+    slotUpdateUnicode( _chr );
+}
+
+//==================================================================
+void KCharSelect::setTableNum( int _tableNum )
+{
+    tableSpinBox->setValue( _tableNum );
+    charTable->setTableNum( _tableNum );
+}
+
+//==================================================================
+void KCharSelect::fillFontCombo()
+{
+    if ( !fontDataBase ) {
+	fontDataBase = new QFontDatabase();
+	qAddPostRoutine( cleanupFontDatabase );
+    }
+    fontList=fontDataBase->families();
+    fontCombo->insertStringList( fontList );
+}
+
+//==================================================================
+void KCharSelect::fontSelected( const QString &_font )
+{
+    charTable->setFont( _font );
+    emit fontChanged( _font );
+}
+
+//==================================================================
+void KCharSelect::tableChanged( int _value )
+{
+    charTable->setTableNum( _value );
+}
+
+//==================================================================
+void KCharSelect::slotUnicodeEntered( )
+{
+    const QString s = d->unicodeLine->text();
+    if (s.isEmpty())
+        return;
+    
+    bool ok;
+    const int uc = s.toInt(&ok, 16);
+    if (!ok)
+        return;
+    
+    const int table = uc / 256;
+    charTable->setTableNum( table );
+    tableSpinBox->setValue(table);
+    const QChar ch(uc);
+    charTable->setChar( ch );
+    charActivated( ch );
+}
+
+void KCharSelect::slotUpdateUnicode( const QChar &c )
+{
+    const int uc = c.unicode();
+    QString s;
+    s.sprintf("%04X", uc);
+    d->unicodeLine->setText(s);
+}
+
+void KCharSelectTable::virtual_hook( int, void*)
+{ /*BASE::virtual_hook( id, data );*/ }
+
+void KCharSelect::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+