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Diffstat (limited to 'tdeui/kcharselect.cpp')
-rw-r--r-- | tdeui/kcharselect.cpp | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/tdeui/kcharselect.cpp b/tdeui/kcharselect.cpp new file mode 100644 index 000000000..7bd0320c9 --- /dev/null +++ b/tdeui/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 <tqbrush.h> +#include <tqcolor.h> +#include <tqevent.h> +#include <tqfont.h> +#include <tqfontdatabase.h> +#include <tqhbox.h> +#include <tqkeycode.h> +#include <tqlabel.h> +#include <tqpainter.h> +#include <tqpen.h> +#include <tqregexp.h> +#include <tqstyle.h> +#include <tqtooltip.h> +#include <tqvalidator.h> + +#include <kapplication.h> +#include <kdebug.h> +#include <kdialog.h> +#include <klineedit.h> +#include <klocale.h> + +class KCharSelect::KCharSelectPrivate +{ +public: + TQLineEdit *tqunicodeLine; +}; + +TQFontDatabase * KCharSelect::fontDataBase = 0; + +void KCharSelect::cleanupFontDatabase() +{ + delete fontDataBase; + fontDataBase = 0; +} + +/******************************************************************/ +/* Class: KCharSelectTable */ +/******************************************************************/ + +//================================================================== +KCharSelectTable::KCharSelectTable( TQWidget *parent, const char *name, const TQString &_font, + const TQChar &_chr, int _tableNum ) + : TQGridView( parent, name ), vFont( _font ), vChr( _chr ), + vTableNum( _tableNum ), vPos( 0, 0 ), focusItem( _chr ), focusPos( 0, 0 ), d(0) +{ + setBackgroundColor( tqcolorGroup().base() ); + + setCellWidth( 20 ); + setCellHeight( 25 ); + + setNumCols( 32 ); + setNumRows( 8 ); + + repaintContents( false ); + + setToolTips(); + + setFocusPolicy( TQ_StrongFocus ); + setBackgroundMode( TQWidget::NoBackground ); +} + +//================================================================== +void KCharSelectTable::setFont( const TQString &_font ) +{ + vFont = _font; + repaintContents( false ); + + setToolTips(); +} + +//================================================================== +void KCharSelectTable::setChar( const TQChar &_chr ) +{ + vChr = _chr; + repaintContents( false ); +} + +//================================================================== +void KCharSelectTable::setTableNum( int _tableNum ) +{ + focusItem = TQChar( _tableNum * 256 ); + + vTableNum = _tableNum; + repaintContents( false ); + + setToolTips(); +} + +//================================================================== +TQSize KCharSelectTable::tqsizeHint() const +{ + int w = cellWidth(); + int h = cellHeight(); + + w *= numCols(); + h *= numRows(); + + return TQSize( w, h ); +} + +//================================================================== +void KCharSelectTable::resizeEvent( TQResizeEvent * 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 TQPainter* 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 ); + // } + + TQFont font = TQFont( vFont ); + font.setPixelSize( int(.7 * h) ); + + unsigned short c = vTableNum * 256; + c += row * numCols(); + c += col; + + if ( c == vChr.tqunicode() ) { + p->setBrush( TQBrush( tqcolorGroup().highlight() ) ); + p->setPen( NoPen ); + p->drawRect( 0, 0, w, h ); + p->setPen( tqcolorGroup().highlightedText() ); + vPos = TQPoint( col, row ); + } else { + TQFontMetrics fm = TQFontMetrics( font ); + if( fm.inFont( c ) ) + p->setBrush( TQBrush( tqcolorGroup().base() ) ); + else + p->setBrush( TQBrush( tqcolorGroup().button() ) ); + p->setPen( NoPen ); + p->drawRect( 0, 0, w, h ); + p->setPen( tqcolorGroup().text() ); + } + + if ( c == focusItem.tqunicode() && hasFocus() ) { + tqstyle().tqdrawPrimitive( TQStyle::PE_FocusRect, p, TQRect( 2, 2, w - 4, h - 4 ), + tqcolorGroup() ); + focusPos = TQPoint( col, row ); + } + + p->setFont( font ); + + p->drawText( 0, 0, x2, y2, AlignHCenter | AlignVCenter, TQString( TQChar( c ) ) ); + + p->setPen( tqcolorGroup().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( TQMouseEvent *e ) +{ + const int row = rowAt( e->y() ); + const int col = columnAt( e->x() ); + if ( row >= 0 && row < numRows() && col >= 0 && col < numCols() ) { + const TQPoint oldPos = vPos; + + vPos.setX( col ); + vPos.setY( row ); + + vChr = TQChar( vTableNum * 256 + numCols() * vPos.y() + vPos.x() ); + + const TQPoint 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( TQKeyEvent *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 TQPoint 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 TQPoint oldPos = focusPos; + + focusPos.setX( focusPos.x() - 1 ); + + focusItem = TQChar( 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 TQPoint oldPos = focusPos; + + focusPos.setX( focusPos.x() + 1 ); + + focusItem = TQChar( 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 TQPoint oldPos = focusPos; + + focusPos.setY( focusPos.y() - 1 ); + + focusItem = TQChar( 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 TQPoint oldPos = focusPos; + + focusPos.setY( focusPos.y() + 1 ); + + focusItem = TQChar( 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 TQRect r( cellWidth()*j, cellHeight()*i, cellWidth(), cellHeight() ); + TQToolTip::remove(this,r); + const ushort uni = vTableNum * 256 + numCols()*i + j; + TQString s; + s.sprintf( "%04X", uint( uni ) ); + TQString character; // Character (which sometimes need to be escaped) + switch ( uni ) + { + case 0x3c: character = "<"; break; + case 0x3e: character = ">"; break; + case 0x26: character = "&"; break; + case 0x27: character = "'"; break; + case 0x22: character = """; break; + default: character = TQChar( uni ); break; + } + 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 ) ); + } + } +} + +/******************************************************************/ +/* Class: KCharSelect */ +/******************************************************************/ + +//================================================================== +KCharSelect::KCharSelect( TQWidget *parent, const char *name, const TQString &_font, const TQChar &_chr, int _tableNum ) + : TQVBox( parent, name ), d(new KCharSelectPrivate) +{ + setSpacing( KDialog::spacingHint() ); + TQHBox* const bar = new TQHBox( this ); + bar->setSpacing( KDialog::spacingHint() ); + + TQLabel* const lFont = new TQLabel( i18n( "Font:" ), bar ); + lFont->resize( lFont->tqsizeHint() ); + lFont->tqsetAlignment( Qt::AlignRight | Qt::AlignVCenter ); + lFont->setMaximumWidth( lFont->tqsizeHint().width() ); + + fontCombo = new TQComboBox( true, bar ); + fillFontCombo(); + fontCombo->resize( fontCombo->tqsizeHint() ); + + connect( fontCombo, TQT_SIGNAL( activated( const TQString & ) ), this, TQT_SLOT( fontSelected( const TQString & ) ) ); + + TQLabel* const lTable = new TQLabel( i18n( "Table:" ), bar ); + lTable->resize( lTable->tqsizeHint() ); + lTable->tqsetAlignment( Qt::AlignRight | Qt::AlignVCenter ); + lTable->setMaximumWidth( lTable->tqsizeHint().width() ); + + tableSpinBox = new TQSpinBox( 0, 255, 1, bar ); + tableSpinBox->resize( tableSpinBox->tqsizeHint() ); + + connect( tableSpinBox, TQT_SIGNAL( valueChanged( int ) ), this, TQT_SLOT( tableChanged( int ) ) ); + + TQLabel* const lUnicode = new TQLabel( i18n( "&Unicode code point:" ), bar ); + lUnicode->resize( lUnicode->tqsizeHint() ); + lUnicode->tqsetAlignment( Qt::AlignRight | Qt::AlignVCenter ); + lUnicode->setMaximumWidth( lUnicode->tqsizeHint().width() ); + + const TQRegExp rx( "[a-fA-F0-9]{1,4}" ); + TQValidator* const validator = new TQRegExpValidator( rx, TQT_TQOBJECT(this) ); + + d->tqunicodeLine = new KLineEdit( bar ); + d->tqunicodeLine->setValidator(validator); + lUnicode->setBuddy(d->tqunicodeLine); + d->tqunicodeLine->resize( d->tqunicodeLine->tqsizeHint() ); + slotUpdateUnicode(_chr); + + connect( d->tqunicodeLine, TQT_SIGNAL( returnPressed() ), this, TQT_SLOT( slotUnicodeEntered() ) ); + + charTable = new KCharSelectTable( this, name, _font.isEmpty() ? TQString(TQVBox::font().family()) : _font, _chr, _tableNum ); + const TQSize sz( charTable->contentsWidth() + 4 , + charTable->contentsHeight() + 4 ); + charTable->resize( sz ); + //charTable->setMaximumSize( sz ); + charTable->setMinimumSize( sz ); + charTable->setHScrollBarMode( TQScrollView::AlwaysOff ); + charTable->setVScrollBarMode( TQScrollView::AlwaysOff ); + + setFont( _font.isEmpty() ? TQString(TQVBox::font().family()) : _font ); + setTableNum( _tableNum ); + + connect( charTable, TQT_SIGNAL( highlighted( const TQChar & ) ), this, TQT_SLOT( slotUpdateUnicode( const TQChar & ) ) ); + connect( charTable, TQT_SIGNAL( highlighted( const TQChar & ) ), this, TQT_SLOT( charHighlighted( const TQChar & ) ) ); + connect( charTable, TQT_SIGNAL( highlighted() ), this, TQT_SLOT( charHighlighted() ) ); + connect( charTable, TQT_SIGNAL( activated( const TQChar & ) ), this, TQT_SLOT( charActivated( const TQChar & ) ) ); + connect( charTable, TQT_SIGNAL( activated() ), this, TQT_SLOT( charActivated() ) ); + connect( charTable, TQT_SIGNAL( focusItemChanged( const TQChar & ) ), + this, TQT_SLOT( charFocusItemChanged( const TQChar & ) ) ); + connect( charTable, TQT_SIGNAL( focusItemChanged() ), this, TQT_SLOT( charFocusItemChanged() ) ); + connect( charTable, TQT_SIGNAL( tableUp() ), this, TQT_SLOT( charTableUp() ) ); + connect( charTable, TQT_SIGNAL( tableDown() ), this, TQT_SLOT( charTableDown() ) ); + + connect( charTable, TQT_SIGNAL(doubleClicked()),this,TQT_SLOT(slotDoubleClicked())); + + setFocusPolicy( TQ_StrongFocus ); + setFocusProxy( charTable ); +} + +KCharSelect::~KCharSelect() +{ + delete d; +} + +//================================================================== +TQSize KCharSelect::tqsizeHint() const +{ + return TQVBox::tqsizeHint(); +} + +//================================================================== +void KCharSelect::setFont( const TQString &_font ) +{ + const TQValueList<TQString>::Iterator it = fontList.find( _font ); + if ( it != fontList.end() ) { + TQValueList<TQString>::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 TQChar &_chr ) +{ + charTable->setChar( _chr ); + slotUpdateUnicode( _chr ); +} + +//================================================================== +void KCharSelect::setTableNum( int _tableNum ) +{ + tableSpinBox->setValue( _tableNum ); + charTable->setTableNum( _tableNum ); +} + +//================================================================== +void KCharSelect::fillFontCombo() +{ + if ( !fontDataBase ) { + fontDataBase = new TQFontDatabase(); + qAddPostRoutine( cleanupFontDatabase ); + } + fontList=fontDataBase->tqfamilies(); + fontCombo->insertStringList( fontList ); +} + +//================================================================== +void KCharSelect::fontSelected( const TQString &_font ) +{ + charTable->setFont( _font ); + emit fontChanged( _font ); +} + +//================================================================== +void KCharSelect::tableChanged( int _value ) +{ + charTable->setTableNum( _value ); +} + +//================================================================== +void KCharSelect::slotUnicodeEntered( ) +{ + const TQString s = d->tqunicodeLine->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.tqunicode(); + TQString s; + s.sprintf("%04X", uc); + d->tqunicodeLine->setText(s); +} + +void KCharSelectTable::virtual_hook( int, void*) +{ /*BASE::virtual_hook( id, data );*/ } + +void KCharSelect::virtual_hook( int, void* ) +{ /*BASE::virtual_hook( id, data );*/ } + |