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#include "kcharselect.h"
00022
#include "kcharselect.moc"
00023
00024
#include <qbrush.h>
00025
#include <qcolor.h>
00026
#include <qevent.h>
00027
#include <qfont.h>
00028
#include <qfontdatabase.h>
00029
#include <qhbox.h>
00030
#include <qkeycode.h>
00031
#include <qlabel.h>
00032
#include <qlineedit.h>
00033
#include <qpainter.h>
00034
#include <qpen.h>
00035
#include <qregexp.h>
00036
#include <qstyle.h>
00037
#include <qtooltip.h>
00038
#include <qvalidator.h>
00039
00040
#include <kapplication.h>
00041
#include <kdebug.h>
00042
#include <kdialog.h>
00043
#include <klocale.h>
00044
00045
class KCharSelect::KCharSelectPrivate
00046 {
00047
public:
00048
QLineEdit *unicodeLine;
00049 };
00050
00051
QFontDatabase * KCharSelect::fontDataBase = 0;
00052
00053
void KCharSelect::cleanupFontDatabase()
00054 {
00055
delete fontDataBase;
00056 fontDataBase = 0;
00057 }
00058
00059
00060
00061
00062
00063
00064 KCharSelectTable::KCharSelectTable(
QWidget *parent,
const char *name,
const QString &_font,
00065
const QChar &_chr,
int _tableNum )
00066 :
QGridView( parent,
name ), vFont( _font ), vChr( _chr ),
00067 vTableNum( _tableNum ), vPos( 0, 0 ), focusItem( _chr ), focusPos( 0, 0 ), d(0)
00068 {
00069 setBackgroundColor( colorGroup().base() );
00070
00071 setCellWidth( 20 );
00072 setCellHeight( 25 );
00073
00074 setNumCols( 32 );
00075 setNumRows( 8 );
00076
00077 repaintContents(
false );
00078
00079 setToolTips();
00080
00081 setFocusPolicy( QWidget::StrongFocus );
00082 setBackgroundMode( QWidget::NoBackground );
00083 }
00084
00085
00086
void KCharSelectTable::setFont(
const QString &_font )
00087 {
00088 vFont = _font;
00089 repaintContents(
false );
00090
00091 setToolTips();
00092 }
00093
00094
00095
void KCharSelectTable::setChar(
const QChar &_chr )
00096 {
00097 vChr = _chr;
00098 repaintContents(
false );
00099 }
00100
00101
00102
void KCharSelectTable::setTableNum(
int _tableNum )
00103 {
00104 focusItem =
QChar( _tableNum * 256 );
00105
00106 vTableNum = _tableNum;
00107 repaintContents(
false );
00108
00109 setToolTips();
00110 }
00111
00112
00113
QSize KCharSelectTable::sizeHint()
const
00114
{
00115
int w = cellWidth();
00116
int h = cellHeight();
00117
00118 w *= numCols();
00119 h *= numRows();
00120
00121
return QSize( w, h );
00122 }
00123
00124
00125
void KCharSelectTable::resizeEvent(
QResizeEvent * e )
00126 {
00127
const int new_w = (e->size().width() - 2*(margin()+frameWidth())) / numCols();
00128
const int new_h = (e->size().height() - 2*(margin()+frameWidth())) / numRows();
00129
00130
if( new_w != cellWidth())
00131 setCellWidth( new_w );
00132
if( new_h != cellHeight())
00133 setCellHeight( new_h );
00134
00135 setToolTips();
00136 }
00137
00138
00139
void KCharSelectTable::paintCell(
class QPainter* p,
int row,
int col )
00140 {
00141
const int w = cellWidth();
00142
const int h = cellHeight();
00143
const int x2 = w - 1;
00144
const int y2 = h - 1;
00145
00146
00147
00148
00149
00150
00151
QFont font =
QFont( vFont );
00152 font.setPixelSize(
int(.7 * h) );
00153
00154
unsigned short c = vTableNum * 256;
00155 c += row * numCols();
00156 c += col;
00157
00158
if ( c == vChr.unicode() ) {
00159 p->setBrush(
QBrush( colorGroup().highlight() ) );
00160 p->setPen( NoPen );
00161 p->drawRect( 0, 0, w, h );
00162 p->setPen( colorGroup().highlightedText() );
00163 vPos =
QPoint( col, row );
00164 }
else {
00165
QFontMetrics fm =
QFontMetrics( font );
00166
if( fm.inFont( c ) )
00167 p->setBrush(
QBrush( colorGroup().base() ) );
00168
else
00169 p->setBrush(
QBrush( colorGroup().button() ) );
00170 p->setPen( NoPen );
00171 p->drawRect( 0, 0, w, h );
00172 p->setPen( colorGroup().text() );
00173 }
00174
00175
if ( c == focusItem.unicode() && hasFocus() ) {
00176 style().drawPrimitive( QStyle::PE_FocusRect, p,
QRect( 2, 2, w - 4, h - 4 ),
00177 colorGroup() );
00178 focusPos =
QPoint( col, row );
00179 }
00180
00181 p->setFont( font );
00182
00183 p->drawText( 0, 0, x2, y2, AlignHCenter | AlignVCenter,
QString(
QChar( c ) ) );
00184
00185 p->setPen( colorGroup().text() );
00186 p->drawLine( x2, 0, x2, y2 );
00187 p->drawLine( 0, y2, x2, y2 );
00188
00189
if ( row == 0 )
00190 p->drawLine( 0, 0, x2, 0 );
00191
if ( col == 0 )
00192 p->drawLine( 0, 0, 0, y2 );
00193 }
00194
00195
00196
void KCharSelectTable::mouseMoveEvent(
QMouseEvent *e )
00197 {
00198
const int row = rowAt( e->y() );
00199
const int col = columnAt( e->x() );
00200
if ( row >= 0 && row < numRows() && col >= 0 && col < numCols() ) {
00201
const QPoint oldPos = vPos;
00202
00203 vPos.setX( col );
00204 vPos.setY( row );
00205
00206 vChr =
QChar( vTableNum * 256 + numCols() * vPos.y() + vPos.x() );
00207
00208
const QPoint oldFocus = focusPos;
00209
00210 focusPos = vPos;
00211 focusItem = vChr;
00212
00213 repaintCell( oldFocus.y(), oldFocus.x(),
true );
00214 repaintCell( oldPos.y(), oldPos.x(),
true );
00215 repaintCell( vPos.y(), vPos.x(),
true );
00216
00217 emit highlighted( vChr );
00218 emit highlighted();
00219
00220 emit focusItemChanged( focusItem );
00221 emit focusItemChanged();
00222 }
00223 }
00224
00225
00226
void KCharSelectTable::keyPressEvent(
QKeyEvent *e )
00227 {
00228
switch ( e->key() ) {
00229
case Key_Left:
00230 gotoLeft();
00231
break;
00232
case Key_Right:
00233 gotoRight();
00234
break;
00235
case Key_Up:
00236 gotoUp();
00237
break;
00238
case Key_Down:
00239 gotoDown();
00240
break;
00241
case Key_Next:
00242 emit tableDown();
00243
break;
00244
case Key_Prior:
00245 emit tableUp();
00246
break;
00247
case Key_Space:
00248 emit activated(
' ' );
00249 emit activated();
00250 emit highlighted(
' ' );
00251 emit highlighted();
00252
break;
00253
case Key_Enter:
case Key_Return: {
00254
const QPoint oldPos = vPos;
00255
00256 vPos = focusPos;
00257 vChr = focusItem;
00258
00259 repaintCell( oldPos.y(), oldPos.x(),
true );
00260 repaintCell( vPos.y(), vPos.x(),
true );
00261
00262 emit activated( vChr );
00263 emit activated();
00264 emit highlighted( vChr );
00265 emit highlighted();
00266 }
break;
00267 }
00268 }
00269
00270
00271
void KCharSelectTable::gotoLeft()
00272 {
00273
if ( focusPos.x() > 0 ) {
00274
const QPoint oldPos = focusPos;
00275
00276 focusPos.setX( focusPos.x() - 1 );
00277
00278 focusItem =
QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00279
00280 repaintCell( oldPos.y(), oldPos.x(),
true );
00281 repaintCell( focusPos.y(), focusPos.x(),
true );
00282
00283 emit focusItemChanged( vChr );
00284 emit focusItemChanged();
00285 }
00286 }
00287
00288
00289
void KCharSelectTable::gotoRight()
00290 {
00291
if ( focusPos.x() < numCols()-1 ) {
00292
const QPoint oldPos = focusPos;
00293
00294 focusPos.setX( focusPos.x() + 1 );
00295
00296 focusItem =
QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00297
00298 repaintCell( oldPos.y(), oldPos.x(),
true );
00299 repaintCell( focusPos.y(), focusPos.x(),
true );
00300
00301 emit focusItemChanged( vChr );
00302 emit focusItemChanged();
00303 }
00304 }
00305
00306
00307
void KCharSelectTable::gotoUp()
00308 {
00309
if ( focusPos.y() > 0 ) {
00310
const QPoint oldPos = focusPos;
00311
00312 focusPos.setY( focusPos.y() - 1 );
00313
00314 focusItem =
QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00315
00316 repaintCell( oldPos.y(), oldPos.x(),
true );
00317 repaintCell( focusPos.y(), focusPos.x(),
true );
00318
00319 emit focusItemChanged( vChr );
00320 emit focusItemChanged();
00321 }
00322 }
00323
00324
00325
void KCharSelectTable::gotoDown()
00326 {
00327
if ( focusPos.y() < numRows()-1 ) {
00328
const QPoint oldPos = focusPos;
00329
00330 focusPos.setY( focusPos.y() + 1 );
00331
00332 focusItem =
QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00333
00334 repaintCell( oldPos.y(), oldPos.x(),
true );
00335 repaintCell( focusPos.y(), focusPos.x(),
true );
00336
00337 emit focusItemChanged( vChr );
00338 emit focusItemChanged();
00339 }
00340 }
00341
00342
00343
void KCharSelectTable::setToolTips()
00344 {
00345
const int rowCount = numRows();
00346
const int colCount = numCols();
00347
for(
int i=0 ; i< rowCount; ++i )
00348 {
00349
for(
int j=0; j< colCount; ++j )
00350 {
00351
const QRect r( cellWidth()*j, cellHeight()*i, cellWidth(), cellHeight() );
00352 QToolTip::remove(
this,r);
00353
const ushort uni = vTableNum * 256 + numCols()*i + j;
00354
QString s;
00355 s.sprintf(
"%04X", uint( uni ) );
00356 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(
QChar( uni ) ).arg( s ).arg( uni ).arg(
QChar( uni ) ) );
00357 }
00358 }
00359 }
00360
00361
00362
00363
00364
00365
00366 KCharSelect::KCharSelect(
QWidget *parent,
const char *name,
const QString &_font,
const QChar &_chr,
int _tableNum )
00367 :
QVBox( parent, name ), d(new KCharSelectPrivate)
00368 {
00369 setSpacing( KDialog::spacingHint() );
00370
QHBox*
const bar =
new QHBox(
this );
00371 bar->setSpacing( KDialog::spacingHint() );
00372
00373
QLabel*
const lFont =
new QLabel( i18n(
"Font:" ), bar );
00374 lFont->resize( lFont->sizeHint() );
00375 lFont->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
00376 lFont->setMaximumWidth( lFont->sizeHint().width() );
00377
00378 fontCombo =
new QComboBox(
true, bar );
00379 fillFontCombo();
00380 fontCombo->resize( fontCombo->sizeHint() );
00381
00382 connect( fontCombo, SIGNAL( activated(
const QString & ) ),
this, SLOT( fontSelected(
const QString & ) ) );
00383
00384 QLabel*
const lTable =
new QLabel( i18n(
"Table:" ), bar );
00385 lTable->resize( lTable->sizeHint() );
00386 lTable->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
00387 lTable->setMaximumWidth( lTable->sizeHint().width() );
00388
00389 tableSpinBox =
new QSpinBox( 0, 255, 1, bar );
00390 tableSpinBox->resize( tableSpinBox->sizeHint() );
00391
00392 connect( tableSpinBox, SIGNAL( valueChanged(
int ) ),
this, SLOT( tableChanged(
int ) ) );
00393
00394 QLabel*
const lUnicode =
new QLabel( i18n(
"&Unicode code point:" ), bar );
00395 lUnicode->resize( lUnicode->sizeHint() );
00396 lUnicode->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
00397 lUnicode->setMaximumWidth( lUnicode->sizeHint().width() );
00398
00399
const QRegExp rx(
"[a-fA-F0-9]{1,4}" );
00400
QValidator*
const validator =
new QRegExpValidator( rx,
this );
00401
00402 d->unicodeLine =
new QLineEdit( bar );
00403 d->unicodeLine->setValidator(validator);
00404 lUnicode->setBuddy(d->unicodeLine);
00405 d->unicodeLine->resize( d->unicodeLine->sizeHint() );
00406 slotUpdateUnicode(_chr);
00407
00408 connect( d->unicodeLine, SIGNAL( returnPressed() ),
this, SLOT( slotUnicodeEntered() ) );
00409
00410 charTable =
new KCharSelectTable(
this, name, _font.isEmpty() ? QVBox::font().family() : _font, _chr, _tableNum );
00411
const QSize sz( charTable->contentsWidth() + 4 ,
00412 charTable->contentsHeight() + 4 );
00413 charTable->resize( sz );
00414
00415 charTable->setMinimumSize( sz );
00416 charTable->setHScrollBarMode( QScrollView::AlwaysOff );
00417 charTable->setVScrollBarMode( QScrollView::AlwaysOff );
00418
00419
setFont( _font.isEmpty() ? QVBox::font().family() : _font );
00420
setTableNum( _tableNum );
00421
00422 connect( charTable, SIGNAL( highlighted(
const QChar & ) ),
this, SLOT( slotUpdateUnicode(
const QChar & ) ) );
00423 connect( charTable, SIGNAL( highlighted(
const QChar & ) ),
this, SLOT( charHighlighted(
const QChar & ) ) );
00424 connect( charTable, SIGNAL( highlighted() ),
this, SLOT( charHighlighted() ) );
00425 connect( charTable, SIGNAL( activated(
const QChar & ) ),
this, SLOT( charActivated(
const QChar & ) ) );
00426 connect( charTable, SIGNAL( activated() ),
this, SLOT( charActivated() ) );
00427 connect( charTable, SIGNAL( focusItemChanged(
const QChar & ) ),
00428
this, SLOT( charFocusItemChanged(
const QChar & ) ) );
00429 connect( charTable, SIGNAL( focusItemChanged() ),
this, SLOT( charFocusItemChanged() ) );
00430 connect( charTable, SIGNAL( tableUp() ),
this, SLOT( charTableUp() ) );
00431 connect( charTable, SIGNAL( tableDown() ),
this, SLOT( charTableDown() ) );
00432
00433 connect( charTable, SIGNAL(doubleClicked()),
this,SLOT(slotDoubleClicked()));
00434
00435 setFocusPolicy( QWidget::StrongFocus );
00436 setFocusProxy( charTable );
00437 }
00438
00439 KCharSelect::~KCharSelect()
00440 {
00441
delete d;
00442 }
00443
00444
00445 QSize KCharSelect::sizeHint()
const
00446
{
00447
return QVBox::sizeHint();
00448 }
00449
00450
00451 void KCharSelect::setFont(
const QString &_font )
00452 {
00453
const QValueList<QString>::Iterator it = fontList.find( _font );
00454
if ( it != fontList.end() ) {
00455
QValueList<QString>::Iterator it2 = fontList.begin();
00456
int pos = 0;
00457
for ( ; it != it2; ++it2, ++pos);
00458 fontCombo->setCurrentItem( pos );
00459 charTable->
setFont( _font );
00460 }
00461
else
00462
kdWarning() <<
"Can't find Font: " << _font <<
endl;
00463 }
00464
00465
00466 void KCharSelect::setChar(
const QChar &_chr )
00467 {
00468 charTable->
setChar( _chr );
00469 slotUpdateUnicode( _chr );
00470 }
00471
00472
00473 void KCharSelect::setTableNum(
int _tableNum )
00474 {
00475 tableSpinBox->setValue( _tableNum );
00476 charTable->
setTableNum( _tableNum );
00477 }
00478
00479
00480
void KCharSelect::fillFontCombo()
00481 {
00482
if ( !fontDataBase ) {
00483 fontDataBase =
new QFontDatabase();
00484 qAddPostRoutine( cleanupFontDatabase );
00485 }
00486 fontList=fontDataBase->families();
00487 fontCombo->insertStringList( fontList );
00488 }
00489
00490
00491
void KCharSelect::fontSelected(
const QString &_font )
00492 {
00493 charTable->
setFont( _font );
00494 emit fontChanged( _font );
00495 }
00496
00497
00498
void KCharSelect::tableChanged(
int _value )
00499 {
00500 charTable->
setTableNum( _value );
00501 }
00502
00503
00504
void KCharSelect::slotUnicodeEntered( )
00505 {
00506
const QString s = d->unicodeLine->text();
00507
if (s.isEmpty())
00508
return;
00509
00510
bool ok;
00511
const int uc = s.toInt(&ok, 16);
00512
if (!ok)
00513
return;
00514
00515
const int table = uc / 256;
00516 charTable->
setTableNum( table );
00517 tableSpinBox->setValue(table);
00518
const QChar ch(uc);
00519 charTable->
setChar( ch );
00520 charActivated( ch );
00521 }
00522
00523
void KCharSelect::slotUpdateUnicode(
const QChar &c )
00524 {
00525
const int uc = c.unicode();
00526
QString s;
00527 s.sprintf(
"%04X", uc);
00528 d->unicodeLine->setText(s);
00529 }
00530
00531
void KCharSelectTable::virtual_hook(
int,
void*)
00532 { }
00533
00534
void KCharSelect::virtual_hook(
int,
void* )
00535 { }
00536