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1 files changed, 278 insertions, 0 deletions

diff --git a/inputmethods/unikeyboard/unikeyboard.cpp b/inputmethods/unikeyboard/unikeyboard.cpp
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+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "unikeyboard.h"
+
+#include <qpe/fontmanager.h>
+
+#include <qpainter.h>
+#include <qfontmetrics.h>
+#include <qcombobox.h>
+#if defined(Q_WS_QWS) || defined(_WS_QWS_)
+#include <qwindowsystem_qws.h>
+#endif
+
+static const int nw = 8;
+
+typedef struct BlockMap {
+    ushort start;
+    ushort stop;
+    const char *name;
+};
+
+//# Start Code; Block Name
+
+static const BlockMap blockMap[] = 
+{
+{0x0000, 0x007F, "Basic Latin"},
+{0x0080, 0x00FF, "Latin-1 Supplement"},
+{0x0100, 0x017F, "Latin Extended-A"},
+{0x0180, 0x024F, "Latin Extended-B"},
+{0x0250, 0x02AF, "IPA Extensions"},
+{0x02B0, 0x02FF, "Spacing Modifier Letters"},
+{0x0300, 0x036F, "Combining Diacritical Marks"},
+{0x0370, 0x03FF, "Greek"},
+{0x0400, 0x04FF, "Cyrillic"},
+{0x0530, 0x058F, "Armenian"},
+{0x0590, 0x05FF, "Hebrew"},
+{0x0600, 0x06FF, "Arabic"},
+{0x0700, 0x074F, "Syriac  "},
+{0x0780, 0x07BF, "Thaana"},
+{0x0900, 0x097F, "Devanagari"},
+{0x0980, 0x09FF, "Bengali"},
+{0x0A00, 0x0A7F, "Gurmukhi"},
+{0x0A80, 0x0AFF, "Gujarati"},
+{0x0B00, 0x0B7F, "Oriya"},
+{0x0B80, 0x0BFF, "Tamil"},
+{0x0C00, 0x0C7F, "Telugu"},
+{0x0C80, 0x0CFF, "Kannada"},
+{0x0D00, 0x0D7F, "Malayalam"},
+{0x0D80, 0x0DFF, "Sinhala"},
+{0x0E00, 0x0E7F, "Thai"},
+{0x0E80, 0x0EFF, "Lao"},
+{0x0F00, 0x0FFF, "Tibetan"},
+{0x1000, 0x109F, "Myanmar "},
+{0x10A0, 0x10FF, "Georgian"},
+{0x1100, 0x11FF, "Hangul Jamo"},
+{0x1200, 0x137F, "Ethiopic"},
+{0x13A0, 0x13FF, "Cherokee"},
+{0x1400, 0x167F, "Unified Canadian Aboriginal Syllabics"},
+{0x1680, 0x169F, "Ogham"},
+{0x16A0, 0x16FF, "Runic"},
+{0x1780, 0x17FF, "Khmer"},
+{0x1800, 0x18AF, "Mongolian"},
+{0x1E00, 0x1EFF, "Latin Extended Additional"},
+{0x1F00, 0x1FFF, "Greek Extended"},
+{0x2000, 0x206F, "General Punctuation"},
+{0x2070, 0x209F, "Superscripts and Subscripts"},
+{0x20A0, 0x20CF, "Currency Symbols"},
+{0x20D0, 0x20FF, "Combining Marks for Symbols"},
+{0x2100, 0x214F, "Letterlike Symbols"},
+{0x2150, 0x218F, "Number Forms"},
+{0x2190, 0x21FF, "Arrows"},
+{0x2200, 0x22FF, "Mathematical Operators"},
+{0x2300, 0x23FF, "Miscellaneous Technical"},
+{0x2400, 0x243F, "Control Pictures"},
+{0x2440, 0x245F, "Optical Character Recognition"},
+{0x2460, 0x24FF, "Enclosed Alphanumerics"},
+{0x2500, 0x257F, "Box Drawing"},
+{0x2580, 0x259F, "Block Elements"},
+{0x25A0, 0x25FF, "Geometric Shapes"},
+{0x2600, 0x26FF, "Miscellaneous Symbols"},
+{0x2700, 0x27BF, "Dingbats"},
+{0x2800, 0x28FF, "Braille Patterns"},
+{0x2E80, 0x2EFF, "CJK Radicals Supplement"},
+{0x2F00, 0x2FDF, "Kangxi Radicals"},
+{0x2FF0, 0x2FFF, "Ideographic Description Characters"},
+{0x3000, 0x303F, "CJK Symbols and Punctuation"},
+{0x3040, 0x309F, "Hiragana"},
+{0x30A0, 0x30FF, "Katakana"},
+{0x3100, 0x312F, "Bopomofo"},
+{0x3130, 0x318F, "Hangul Compatibility Jamo"},
+{0x3190, 0x319F, "Kanbun"},
+{0x31A0, 0x31BF, "Bopomofo Extended"},
+{0x3200, 0x32FF, "Enclosed CJK Letters and Months"},
+{0x3300, 0x33FF, "CJK Compatibility"},
+{0x3400, 0x4DB5, "CJK Unified Ideographs Extension A"},
+{0x4E00, 0x9FFF, "CJK Unified Ideographs"},
+{0xA000, 0xA48F, "Yi Syllables"},
+{0xA490, 0xA4CF, "Yi Radicals"},
+{0xAC00, 0xD7A3, "Hangul Syllables"},
+{0xD800, 0xDB7F, "High Surrogates"},
+{0xDB80, 0xDBFF, "High Private Use Surrogates"},
+{0xDC00, 0xDFFF, "Low Surrogates"},
+{0xE000, 0xF8FF, "Private Use"},
+{0xF900, 0xFAFF, "CJK Compatibility Ideographs"},
+{0xFB00, 0xFB4F, "Alphabetic Presentation Forms"},
+{0xFB50, 0xFDFF, "Arabic Presentation Forms-A"},
+{0xFE20, 0xFE2F, "Combining Half Marks"},
+{0xFE30, 0xFE4F, "CJK Compatibility Forms"},
+{0xFE50, 0xFE6F, "Small Form Variants"},
+{0xFE70, 0xFEFE, "Arabic Presentation Forms-B"},
+{0xFF00, 0xFEFF, "Halfwidth and Fullwidth Forms"},
+{0xFFF0, 0xFFEF, "Specials"},
+{0xFFFF, 0xFFFF, 	0} };
+
+
+UniScrollview::UniScrollview(QWidget* parent, const char* name, int f) :
+    QScrollView(parent, name, f)
+{
+    //    smallFont.setRawName( "-adobe-courier-medium-r-normal--10-100-75-75-m-60-iso8859-1" ); //######
+    smallFont = QFont( "Helvetica", 8 );
+    QFontMetrics sfm( smallFont );
+    xoff = sfm.width( "AAA" );
+    setFont( FontManager::unicodeFont( FontManager::Fixed ) );
+    QFontMetrics fm( font() );
+    cellsize = fm.lineSpacing() + 2;
+    resizeContents( cellsize*nw, cellsize*65536/nw );
+    verticalScrollBar()->setLineStep(cellsize);
+    
+    viewport()->setBackgroundMode( QWidget::PaletteBase );
+}
+
+
+
+void UniScrollview::contentsMousePressEvent(QMouseEvent* e)
+{
+    if ( e->x() < xoff || e->x() > xoff + nw*cellsize )
+	return;
+    int row = e->y()/cellsize;
+    int col = (e->x()-xoff)/cellsize;
+    int u = row*nw+col;
+#if defined(Q_WS_QWS) || defined(_WS_QWS_)
+    emit key( u, 0, 0, true, false );
+    emit key( u, 0, 0, false, false );
+#endif
+}
+
+
+void UniScrollview::contentsMouseReleaseEvent(QMouseEvent*)
+{
+}
+
+void UniScrollview::scrollTo( int unicode )
+{
+    int row = unicode / nw;
+    setContentsPos( 0, row*cellsize );
+}
+
+
+void UniScrollview::drawContents( QPainter *p, int /*cx*/, int cy, int /*cw*/, int ch )
+{
+    QFontMetrics fm = fontMetrics();
+    int row = cy / cellsize;
+    int y = row*cellsize;
+    while ( y < cy+ch ) {
+	p->drawLine( xoff, y, xoff+nw*cellsize, y );
+	if ( row*nw%16 == 0 ) {
+	    p->setFont( smallFont );
+	    QString s;
+	    s.sprintf( "%03X", row*nw/16 ); 
+	    p->drawText( 0, y, xoff, cellsize, AlignLeft, s );
+	    p->setFont( font() );
+	}
+	for ( int i = 0; i < nw; i++ ) {
+	    p->drawLine( xoff+i*cellsize, y, xoff+i*cellsize, y+cellsize );
+	    QChar u = row*nw + i;
+	    if ( fm.inFont( u ) )
+		p->drawText( xoff+i*cellsize, y, cellsize, cellsize, AlignCenter,
+			     u );
+	}
+	p->drawLine( xoff+nw*cellsize, y, xoff+nw*cellsize, y+cellsize );
+	row++;
+	y += cellsize;
+    }
+}
+
+
+
+
+UniKeyboard::UniKeyboard(QWidget* parent, const char* name, int f )
+    : QFrame( parent, name, f )
+{
+    setFrameStyle( NoFrame );
+    sv = new UniScrollview( this );
+    cb = new QComboBox( FALSE, this );
+    currentBlock = 0;
+    QFontMetrics fm = sv->fontMetrics();
+    cbmap = new int[sizeof(blockMap)/sizeof(blockMap[0])];
+    for ( int i = 0; blockMap[i].name; i++ ) {
+	bool any=FALSE;
+	for ( int c=blockMap[i].start; !any && c<=blockMap[i].stop; c++ )
+	    any = fm.inFont(QChar(c));
+	if ( any ) {
+	    cbmap[cb->count()]=i;
+	    cb->insertItem( blockMap[i].name );
+	}
+    }
+    connect( cb, SIGNAL( activated(int)), this, SLOT( handleCombo(int)) );
+    connect( sv, SIGNAL( contentsMoving(int,int)), this, SLOT( svMove(int,int)) );
+    connect( sv, SIGNAL( key(ushort,ushort,ushort,bool,bool)),
+	    this, SIGNAL( key(ushort,ushort,ushort,bool,bool)) );
+}
+
+UniKeyboard::~UniKeyboard()
+{
+    delete [] cbmap;
+}
+
+void UniKeyboard::resizeEvent(QResizeEvent *)
+{
+    int d = frameWidth();
+    cb->setGeometry( d, d, width()-2*d, cb->sizeHint().height() );
+    sv->setGeometry( d, cb->height()+d, width()-2*d, height()-cb->height()-2*d );
+}
+
+void UniKeyboard::svMove( int /*x*/, int y )
+{
+    int cs = sv->cellSize();
+    int u = ((y+cs-1)/cs) * nw;
+    int i = currentBlock;
+    while ( i > 0 && blockMap[i].start > u ) {
+       i--;
+    }
+    while ( blockMap[i+1].name && blockMap[i+1].start < u ) {
+	i++;
+    }
+    if ( i != currentBlock ) {
+	currentBlock = i;
+	for (int ind=0; ind<cb->count(); ind++) {
+	    if ( cbmap[ind] == i ) {
+		cb->setCurrentItem( ind );
+		break;
+	    }
+	}
+    }
+}
+
+void UniKeyboard::handleCombo( int i )
+{
+    currentBlock = cbmap[i];
+    sv->scrollTo( blockMap[currentBlock].start );
+}
+
+void UniKeyboard::resetState()
+{
+}
+
+QSize UniKeyboard::sizeHint() const
+{
+    return QSize( 240, 2+sv->cellSize()*4+cb->sizeHint().height() );
+}