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-rw-r--r--kdeui/kcharselect.cpp546
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 );*/ }
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-17 03:52:45 +0000