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547 lines
16 KiB
547 lines
16 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1999 Reginald Stadlbauer <reggie@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kcharselect.h"
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#include "kcharselect.moc"
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#include <tqbrush.h>
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#include <tqcolor.h>
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#include <tqevent.h>
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#include <tqfont.h>
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#include <tqfontdatabase.h>
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#include <tqhbox.h>
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#include <tqkeycode.h>
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#include <tqlabel.h>
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#include <tqpainter.h>
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#include <tqpen.h>
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#include <tqregexp.h>
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#include <tqstyle.h>
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#include <tqtooltip.h>
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#include <tqvalidator.h>
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#include <tdeapplication.h>
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#include <kdebug.h>
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#include <kdialog.h>
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#include <klineedit.h>
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#include <tdelocale.h>
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class KCharSelect::KCharSelectPrivate
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{
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public:
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TQLineEdit *unicodeLine;
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};
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TQFontDatabase * KCharSelect::fontDataBase = 0;
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void KCharSelect::cleanupFontDatabase()
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{
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delete fontDataBase;
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fontDataBase = 0;
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}
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/******************************************************************/
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/* Class: KCharSelectTable */
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/******************************************************************/
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//==================================================================
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KCharSelectTable::KCharSelectTable( TQWidget *parent, const char *name, const TQString &_font,
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const TQChar &_chr, int _tableNum )
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: TQGridView( parent, name ), vFont( _font ), vChr( _chr ),
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vTableNum( _tableNum ), vPos( 0, 0 ), focusItem( _chr ), focusPos( 0, 0 ), d(0)
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{
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setBackgroundColor( colorGroup().base() );
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setCellWidth( 20 );
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setCellHeight( 25 );
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setNumCols( 32 );
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setNumRows( 8 );
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repaintContents( false );
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setToolTips();
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setFocusPolicy( TQWidget::StrongFocus );
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setBackgroundMode( TQWidget::NoBackground );
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}
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//==================================================================
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void KCharSelectTable::setFont( const TQString &_font )
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{
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vFont = _font;
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repaintContents( false );
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setToolTips();
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}
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//==================================================================
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void KCharSelectTable::setChar( const TQChar &_chr )
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{
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vChr = _chr;
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repaintContents( false );
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}
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//==================================================================
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void KCharSelectTable::setTableNum( int _tableNum )
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{
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focusItem = TQChar( _tableNum * 256 );
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vTableNum = _tableNum;
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repaintContents( false );
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setToolTips();
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}
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//==================================================================
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TQSize KCharSelectTable::sizeHint() const
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{
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int w = cellWidth();
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int h = cellHeight();
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w *= numCols();
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h *= numRows();
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return TQSize( w, h );
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}
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//==================================================================
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void KCharSelectTable::resizeEvent( TQResizeEvent * e )
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{
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const int new_w = (e->size().width() - 2*(margin()+frameWidth())) / numCols();
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const int new_h = (e->size().height() - 2*(margin()+frameWidth())) / numRows();
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if( new_w != cellWidth())
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setCellWidth( new_w );
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if( new_h != cellHeight())
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setCellHeight( new_h );
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setToolTips();
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}
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//==================================================================
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void KCharSelectTable::paintCell( class TQPainter* p, int row, int col )
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{
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const int w = cellWidth();
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const int h = cellHeight();
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const int x2 = w - 1;
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const int y2 = h - 1;
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//if( row == 0 && col == 0 ) {
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// printf("Repaint %d\n", temp++);
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// fflush( stdout );
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// }
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TQFont font = TQFont( vFont );
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font.setPixelSize( int(.7 * h) );
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unsigned short c = vTableNum * 256;
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c += row * numCols();
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c += col;
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if ( c == vChr.unicode() ) {
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p->setBrush( TQBrush( colorGroup().highlight() ) );
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p->setPen( NoPen );
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p->drawRect( 0, 0, w, h );
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p->setPen( colorGroup().highlightedText() );
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vPos = TQPoint( col, row );
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} else {
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TQFontMetrics fm = TQFontMetrics( font );
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if( fm.inFont( c ) )
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p->setBrush( TQBrush( colorGroup().base() ) );
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else
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p->setBrush( TQBrush( colorGroup().button() ) );
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p->setPen( NoPen );
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p->drawRect( 0, 0, w, h );
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p->setPen( colorGroup().text() );
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}
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if ( c == focusItem.unicode() && hasFocus() ) {
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style().drawPrimitive( TQStyle::PE_FocusRect, p, TQRect( 2, 2, w - 4, h - 4 ),
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colorGroup() );
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focusPos = TQPoint( col, row );
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}
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p->setFont( font );
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p->drawText( 0, 0, x2, y2, AlignHCenter | AlignVCenter, TQString( TQChar( c ) ) );
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p->setPen( colorGroup().text() );
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p->drawLine( x2, 0, x2, y2 );
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p->drawLine( 0, y2, x2, y2 );
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if ( row == 0 )
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p->drawLine( 0, 0, x2, 0 );
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if ( col == 0 )
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p->drawLine( 0, 0, 0, y2 );
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}
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//==================================================================
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void KCharSelectTable::mouseMoveEvent( TQMouseEvent *e )
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{
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const int row = rowAt( e->y() );
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const int col = columnAt( e->x() );
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if ( row >= 0 && row < numRows() && col >= 0 && col < numCols() ) {
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const TQPoint oldPos = vPos;
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vPos.setX( col );
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vPos.setY( row );
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vChr = TQChar( vTableNum * 256 + numCols() * vPos.y() + vPos.x() );
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const TQPoint oldFocus = focusPos;
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focusPos = vPos;
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focusItem = vChr;
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repaintCell( oldFocus.y(), oldFocus.x(), true );
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( vPos.y(), vPos.x(), true );
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emit highlighted( vChr );
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emit highlighted();
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emit focusItemChanged( focusItem );
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emit focusItemChanged();
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}
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}
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//==================================================================
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void KCharSelectTable::keyPressEvent( TQKeyEvent *e )
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{
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switch ( e->key() ) {
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case Key_Left:
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gotoLeft();
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break;
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case Key_Right:
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gotoRight();
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break;
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case Key_Up:
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gotoUp();
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break;
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case Key_Down:
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gotoDown();
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break;
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case Key_Next:
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emit tableDown();
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break;
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case Key_Prior:
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emit tableUp();
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break;
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case Key_Space:
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emit activated( ' ' );
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emit activated();
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emit highlighted( ' ' );
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emit highlighted();
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break;
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case Key_Enter: case Key_Return: {
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const TQPoint oldPos = vPos;
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vPos = focusPos;
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vChr = focusItem;
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( vPos.y(), vPos.x(), true );
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emit activated( vChr );
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emit activated();
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emit highlighted( vChr );
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emit highlighted();
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} break;
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}
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}
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//==================================================================
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void KCharSelectTable::gotoLeft()
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{
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if ( focusPos.x() > 0 ) {
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const TQPoint oldPos = focusPos;
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focusPos.setX( focusPos.x() - 1 );
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focusItem = TQChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( focusPos.y(), focusPos.x(), true );
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emit focusItemChanged( vChr );
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emit focusItemChanged();
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}
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}
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//==================================================================
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void KCharSelectTable::gotoRight()
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{
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if ( focusPos.x() < numCols()-1 ) {
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const TQPoint oldPos = focusPos;
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focusPos.setX( focusPos.x() + 1 );
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focusItem = TQChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( focusPos.y(), focusPos.x(), true );
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emit focusItemChanged( vChr );
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emit focusItemChanged();
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}
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}
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//==================================================================
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void KCharSelectTable::gotoUp()
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{
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if ( focusPos.y() > 0 ) {
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const TQPoint oldPos = focusPos;
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focusPos.setY( focusPos.y() - 1 );
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focusItem = TQChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( focusPos.y(), focusPos.x(), true );
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emit focusItemChanged( vChr );
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emit focusItemChanged();
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}
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}
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//==================================================================
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void KCharSelectTable::gotoDown()
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{
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if ( focusPos.y() < numRows()-1 ) {
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const TQPoint oldPos = focusPos;
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focusPos.setY( focusPos.y() + 1 );
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focusItem = TQChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
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repaintCell( oldPos.y(), oldPos.x(), true );
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repaintCell( focusPos.y(), focusPos.x(), true );
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emit focusItemChanged( vChr );
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emit focusItemChanged();
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}
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}
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//==================================================================
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void KCharSelectTable::setToolTips()
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{
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const int rowCount = numRows();
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const int colCount = numCols();
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for( int i=0 ; i< rowCount; ++i )
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{
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for( int j=0; j< colCount; ++j )
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{
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const TQRect r( cellWidth()*j, cellHeight()*i, cellWidth(), cellHeight() );
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TQToolTip::remove(this,r);
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const ushort uni = vTableNum * 256 + numCols()*i + j;
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TQString s;
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s.sprintf( "%04X", uint( uni ) );
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TQString character; // Character (which sometimes need to be escaped)
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switch ( uni )
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{
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case 0x3c: character = "<"; break;
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case 0x3e: character = ">"; break;
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case 0x26: character = "&"; break;
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case 0x27: character = "'"; break;
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case 0x22: character = """; break;
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default: character = TQChar( uni ); break;
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}
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TQToolTip::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 ) );
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}
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}
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}
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/******************************************************************/
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/* Class: KCharSelect */
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/******************************************************************/
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//==================================================================
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KCharSelect::KCharSelect( TQWidget *parent, const char *name, const TQString &_font, const TQChar &_chr, int _tableNum )
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: TQVBox( parent, name ), d(new KCharSelectPrivate)
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{
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setSpacing( KDialog::spacingHint() );
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TQHBox* const bar = new TQHBox( this );
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bar->setSpacing( KDialog::spacingHint() );
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TQLabel* const lFont = new TQLabel( i18n( "Font:" ), bar );
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lFont->resize( lFont->sizeHint() );
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lFont->setAlignment( TQt::AlignRight | TQt::AlignVCenter );
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lFont->setMaximumWidth( lFont->sizeHint().width() );
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fontCombo = new TQComboBox( true, bar );
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fillFontCombo();
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fontCombo->resize( fontCombo->sizeHint() );
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connect( fontCombo, TQT_SIGNAL( activated( const TQString & ) ), this, TQT_SLOT( fontSelected( const TQString & ) ) );
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TQLabel* const lTable = new TQLabel( i18n( "Table:" ), bar );
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lTable->resize( lTable->sizeHint() );
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lTable->setAlignment( TQt::AlignRight | TQt::AlignVCenter );
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lTable->setMaximumWidth( lTable->sizeHint().width() );
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tableSpinBox = new TQSpinBox( 0, 255, 1, bar );
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tableSpinBox->resize( tableSpinBox->sizeHint() );
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connect( tableSpinBox, TQT_SIGNAL( valueChanged( int ) ), this, TQT_SLOT( tableChanged( int ) ) );
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TQLabel* const lUnicode = new TQLabel( i18n( "&Unicode code point:" ), bar );
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lUnicode->resize( lUnicode->sizeHint() );
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lUnicode->setAlignment( TQt::AlignRight | TQt::AlignVCenter );
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lUnicode->setMaximumWidth( lUnicode->sizeHint().width() );
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const TQRegExp rx( "[a-fA-F0-9]{1,4}" );
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TQValidator* const validator = new TQRegExpValidator( rx, TQT_TQOBJECT(this) );
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d->unicodeLine = new KLineEdit( bar );
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d->unicodeLine->setValidator(validator);
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lUnicode->setBuddy(d->unicodeLine);
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d->unicodeLine->resize( d->unicodeLine->sizeHint() );
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slotUpdateUnicode(_chr);
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connect( d->unicodeLine, TQT_SIGNAL( returnPressed() ), this, TQT_SLOT( slotUnicodeEntered() ) );
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charTable = new KCharSelectTable( this, name, _font.isEmpty() ? TQString(TQVBox::font().family()) : _font, _chr, _tableNum );
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const TQSize sz( charTable->contentsWidth() + 4 ,
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charTable->contentsHeight() + 4 );
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charTable->resize( sz );
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//charTable->setMaximumSize( sz );
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charTable->setMinimumSize( sz );
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charTable->setHScrollBarMode( TQScrollView::AlwaysOff );
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charTable->setVScrollBarMode( TQScrollView::AlwaysOff );
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setFont( _font.isEmpty() ? TQString(TQVBox::font().family()) : _font );
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setTableNum( _tableNum );
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connect( charTable, TQT_SIGNAL( highlighted( const TQChar & ) ), this, TQT_SLOT( slotUpdateUnicode( const TQChar & ) ) );
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connect( charTable, TQT_SIGNAL( highlighted( const TQChar & ) ), this, TQT_SLOT( charHighlighted( const TQChar & ) ) );
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connect( charTable, TQT_SIGNAL( highlighted() ), this, TQT_SLOT( charHighlighted() ) );
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connect( charTable, TQT_SIGNAL( activated( const TQChar & ) ), this, TQT_SLOT( charActivated( const TQChar & ) ) );
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connect( charTable, TQT_SIGNAL( activated() ), this, TQT_SLOT( charActivated() ) );
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connect( charTable, TQT_SIGNAL( focusItemChanged( const TQChar & ) ),
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this, TQT_SLOT( charFocusItemChanged( const TQChar & ) ) );
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connect( charTable, TQT_SIGNAL( focusItemChanged() ), this, TQT_SLOT( charFocusItemChanged() ) );
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connect( charTable, TQT_SIGNAL( tableUp() ), this, TQT_SLOT( charTableUp() ) );
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connect( charTable, TQT_SIGNAL( tableDown() ), this, TQT_SLOT( charTableDown() ) );
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connect( charTable, TQT_SIGNAL(doubleClicked()),this,TQT_SLOT(slotDoubleClicked()));
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setFocusPolicy( TQWidget::StrongFocus );
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setFocusProxy( charTable );
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}
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KCharSelect::~KCharSelect()
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{
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delete d;
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}
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//==================================================================
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TQSize KCharSelect::sizeHint() const
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{
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return TQVBox::sizeHint();
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}
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//==================================================================
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void KCharSelect::setFont( const TQString &_font )
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{
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const TQValueList<TQString>::Iterator it = fontList.find( _font );
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if ( it != fontList.end() ) {
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TQValueList<TQString>::Iterator it2 = fontList.begin();
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int pos = 0;
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for ( ; it != it2; ++it2, ++pos);
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fontCombo->setCurrentItem( pos );
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charTable->setFont( _font );
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}
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else
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kdWarning() << "Can't find Font: " << _font << endl;
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}
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//==================================================================
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void KCharSelect::setChar( const TQChar &_chr )
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{
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charTable->setChar( _chr );
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slotUpdateUnicode( _chr );
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}
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//==================================================================
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void KCharSelect::setTableNum( int _tableNum )
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{
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tableSpinBox->setValue( _tableNum );
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charTable->setTableNum( _tableNum );
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}
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//==================================================================
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void KCharSelect::fillFontCombo()
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{
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if ( !fontDataBase ) {
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fontDataBase = new TQFontDatabase();
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tqAddPostRoutine( cleanupFontDatabase );
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}
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fontList=fontDataBase->families();
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fontCombo->insertStringList( fontList );
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}
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//==================================================================
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void KCharSelect::fontSelected( const TQString &_font )
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{
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charTable->setFont( _font );
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emit fontChanged( _font );
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}
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//==================================================================
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void KCharSelect::tableChanged( int _value )
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{
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charTable->setTableNum( _value );
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}
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//==================================================================
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void KCharSelect::slotUnicodeEntered( )
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{
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const TQString 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 TQChar ch(uc);
|
|
charTable->setChar( ch );
|
|
charActivated( ch );
|
|
}
|
|
|
|
void KCharSelect::slotUpdateUnicode( const TQChar &c )
|
|
{
|
|
const int uc = c.unicode();
|
|
TQString 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 );*/ }
|
|
|