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# kfontdialog.cpp

    00001 /*
    00002     $Id: kfontdialog.cpp,v 1.95.2.1 2003/07/17 16:14:06 waba Exp $
    00003
    00004     Requires the Qt widget libraries, available at no cost at
    00005     http://www.troll.no
    00006
    00007     Copyright (C) 1996 Bernd Johannes Wuebben  <wuebben@kde.org>
    00008     Copyright (c) 1999 Preston Brown <pbrown@kde.org>
    00009     Copyright (c) 1999 Mario Weilguni <mweilguni@kde.org>
    00010
    00011     This library is free software; you can redistribute it and/or
    00012     modify it under the terms of the GNU Library General Public
    00013     License as published by the Free Software Foundation; either
    00014     version 2 of the License, or (at your option) any later version.
    00015
    00016     This library is distributed in the hope that it will be useful,
    00017     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00019     Library General Public License for more details.
    00020
    00021     You should have received a copy of the GNU Library General Public License
    00022     along with this library; see the file COPYING.LIB.  If not, write to
    00023     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00024     Boston, MA 02111-1307, USA.
    00025 */
    00026
    00027 #include <config.h>
    00028
    00029 #include <stdio.h>
    00030 #include <stdlib.h>
    00031
    00032 #include <qcombobox.h>
    00033 #include <qcheckbox.h>
    00034 #include <qfile.h>
    00035 #include <qfont.h>
    00036 #include <qgroupbox.h>
    00037 #include <qlabel.h>
    00038 #include <qlayout.h>
    00039 #include <qscrollbar.h>
    00040 #include <qstringlist.h>
    00041 #include <qfontdatabase.h>
    00042 #include <qwhatsthis.h>
    00043 #include <qtooltip.h>
    00044
    00045 #include <kapplication.h>
    00046 #include <kcharsets.h>
    00047 #include <kconfig.h>
    00048 #include <kdialog.h>
    00049 #include <kglobal.h>
    00050 #include <kglobalsettings.h>
    00051 #include <qlineedit.h>
    00052 #include <klistbox.h>
    00053 #include <klocale.h>
    00054 #include <kstandarddirs.h>
    00055 #include <kdebug.h>
    00056 #include <knuminput.h>
    00057 #ifdef Q_WS_X11
    00058 #include <X11/Xlib.h>
    00059 #endif
    00060
    00061 #include "kfontdialog.moc"
    00062
    00063 static int minimumListWidth( const QListBox *list )
    00064 {
    00065   int w=0;
    00066   for( uint i=0; i<list->count(); i++ )
    00067   {
    00068     int itemWidth = list->item(i)->width(list);
    00069     w = QMAX(w,itemWidth);
    00070   }
    00071   if( w == 0 ) { w = 40; }
    00072   w += list->frameWidth() * 2;
    00073   w += list->verticalScrollBar()->sizeHint().width();
    00074   return( w );
    00075 }
    00076
    00077 static int minimumListHeight( const QListBox *list, int numVisibleEntry )
    00078 {
    00079   int w = list->count() > 0 ? list->item(0)->height(list) :
    00080     list->fontMetrics().lineSpacing();
    00081
    00082   if( w < 0 ) { w = 10; }
    00083   if( numVisibleEntry <= 0 ) { numVisibleEntry = 4; }
    00084   return( w * numVisibleEntry + 2 * list->frameWidth() );
    00085 }
    00086
    00087 class KFontChooser::KFontChooserPrivate
    00088 {
    00089 public:
    00090     KFontChooserPrivate()
    00091         { m_palette.setColor(QPalette::Active, QColorGroup::Text, Qt::black);
    00092           m_palette.setColor(QPalette::Active, QColorGroup::Base, Qt::white); }
    00093     QPalette m_palette;
    00094 };
    00095
    00096 KFontChooser::KFontChooser(QWidget *parent, const char *name,
    00097                            bool onlyFixed, const QStringList &fontList,
    00098                            bool makeFrame, int visibleListSize, bool diff,
    00099                            QButton::ToggleState *sizeIsRelativeState )
    00100   : QWidget(parent, name), usingFixed(onlyFixed)
    00101 {
    00102   charsetsCombo = 0;
    00103
    00104   QString mainWhatsThisText =
    00105     i18n( "Here you can choose the font to be used." );
    00106   QWhatsThis::add( this, mainWhatsThisText );
    00107
    00108   d = new KFontChooserPrivate;
    00109   QVBoxLayout *topLayout = new QVBoxLayout( this, 0, KDialog::spacingHint() );
    00110   int checkBoxGap = KDialog::spacingHint() / 2;
    00111
    00112   QWidget *page;
    00113   QGridLayout *gridLayout;
    00114   int row = 0;
    00115   if( makeFrame == true )
    00116   {
    00117     page = new QGroupBox( i18n("Requested Font"), this );
    00118     topLayout->addWidget(page);
    00119     gridLayout = new QGridLayout( page, 5, 3, KDialog::marginHint(), KDialog::spacingHint() );
    00120     gridLayout->addRowSpacing( 0, fontMetrics().lineSpacing() );
    00121     row = 1;
    00122   }
    00123   else
    00124   {
    00125     page = new QWidget( this );
    00126     topLayout->addWidget(page);
    00127     gridLayout = new QGridLayout( page, 4, 3, 0, KDialog::spacingHint() );
    00128   }
    00129
    00130   //
    00131   // first, create the labels across the top
    00132   //
    00133   QHBoxLayout *familyLayout = new QHBoxLayout();
    00134   familyLayout->addSpacing( checkBoxGap );
    00135   if (diff) {
    00136     familyCheckbox = new QCheckBox(i18n("Font"), page);
    00137     connect(familyCheckbox, SIGNAL(toggled(bool)), SLOT(toggled_checkbox()));
    00138     familyLayout->addWidget(familyCheckbox, 0, Qt::AlignLeft);
    00139     QString familyCBToolTipText =
    00140       i18n("Change font family?");
    00141     QString familyCBWhatsThisText =
    00142       i18n("Enable this checkbox to change the font family settings.");
    00143     QWhatsThis::add( familyCheckbox, familyCBWhatsThisText );
    00144     QToolTip::add(   familyCheckbox, familyCBToolTipText );
    00145     familyLabel = 0;
    00146   } else {
    00147     familyCheckbox = 0;
    00148     familyLabel = new QLabel( i18n("Font:"), page, "familyLabel" );
    00149     familyLayout->addWidget(familyLabel, 1, Qt::AlignLeft);
    00150   }
    00151   gridLayout->addLayout(familyLayout, row, 0 );
    00152
    00153   QHBoxLayout *styleLayout = new QHBoxLayout();
    00154   if (diff) {
    00155      styleCheckbox = new QCheckBox(i18n("Font style"), page);
    00156      connect(styleCheckbox, SIGNAL(toggled(bool)), SLOT(toggled_checkbox()));
    00157      styleLayout->addWidget(styleCheckbox, 0, Qt::AlignLeft);
    00158     QString styleCBToolTipText =
    00159       i18n("Change font style?");
    00160     QString styleCBWhatsThisText =
    00161       i18n("Enable this checkbox to change the font style settings.");
    00162     QWhatsThis::add( styleCheckbox, styleCBWhatsThisText );
    00163     QToolTip::add(   styleCheckbox, styleCBToolTipText );
    00164     styleLabel = 0;
    00165   } else {
    00166     styleCheckbox = 0;
    00167     styleLabel = new QLabel( i18n("Font style:"), page, "styleLabel");
    00168     styleLayout->addWidget(styleLabel, 1, Qt::AlignLeft);
    00169   }
    00170   styleLayout->addSpacing( checkBoxGap );
    00171   gridLayout->addLayout(styleLayout, row, 1 );
    00172
    00173   QHBoxLayout *sizeLayout = new QHBoxLayout();
    00174   if (diff) {
    00175     sizeCheckbox = new QCheckBox(i18n("Size"),page);
    00176     connect(sizeCheckbox, SIGNAL(toggled(bool)), SLOT(toggled_checkbox()));
    00177     sizeLayout->addWidget(sizeCheckbox, 0, Qt::AlignLeft);
    00178     QString sizeCBToolTipText =
    00179       i18n("Change font size?");
    00180     QString sizeCBWhatsThisText =
    00181       i18n("Enable this checkbox to change the font size settings.");
    00182     QWhatsThis::add( sizeCheckbox, sizeCBWhatsThisText );
    00183     QToolTip::add(   sizeCheckbox, sizeCBToolTipText );
    00184     sizeLabel = 0;
    00185   } else {
    00186     sizeCheckbox = 0;
    00187     sizeLabel = new QLabel( i18n("Size:"), page, "sizeLabel");
    00188     sizeLayout->addWidget(sizeLabel, 1, Qt::AlignLeft);
    00189   }
    00190   sizeLayout->addSpacing( checkBoxGap );
    00191   sizeLayout->addSpacing( checkBoxGap ); // prevent label from eating border
    00192   gridLayout->addLayout(sizeLayout, row, 2 );
    00193
    00194   row ++;
    00195
    00196   //
    00197   // now create the actual boxes that hold the info
    00198   //
    00199   familyListBox = new KListBox( page, "familyListBox");
    00200   familyListBox->setEnabled( !diff );
    00201   gridLayout->addWidget( familyListBox, row, 0 );
    00202   QString fontFamilyWhatsThisText =
    00203     i18n("Here you can choose the font family to be used." );
    00204   QWhatsThis::add( familyListBox, fontFamilyWhatsThisText );
    00205   QWhatsThis::add(diff?(QWidget *) familyCheckbox:(QWidget *) familyLabel, fontFamilyWhatsThisText );
    00206   connect(familyListBox, SIGNAL(highlighted(const QString &)),
    00207           SLOT(family_chosen_slot(const QString &)));
    00208   if(fontList.count() != 0)
    00209   {
    00210     familyListBox->insertStringList(fontList);
    00211   }
    00212   else
    00213   {
    00214     fillFamilyListBox(onlyFixed);
    00215   }
    00216
    00217   familyListBox->setMinimumWidth( minimumListWidth( familyListBox ) );
    00218   familyListBox->setMinimumHeight(
    00219     minimumListHeight( familyListBox, visibleListSize  ) );
    00220
    00221   styleListBox = new KListBox( page, "styleListBox");
    00222   styleListBox->setEnabled( !diff );
    00223   gridLayout->addWidget(styleListBox, row, 1);
    00224   QString fontStyleWhatsThisText =
    00225     i18n("Here you can choose the font style to be used." );
    00226   QWhatsThis::add( styleListBox, fontStyleWhatsThisText );
    00227   QWhatsThis::add(diff?(QWidget *)styleCheckbox:(QWidget *)styleLabel, fontFamilyWhatsThisText );
    00228   styleListBox->insertItem(i18n("Regular"));
    00229   styleListBox->insertItem(i18n("Italic"));
    00230   styleListBox->insertItem(i18n("Bold"));
    00231   styleListBox->insertItem(i18n("Bold Italic"));
    00232   styleListBox->setMinimumWidth( minimumListWidth( styleListBox ) );
    00233   styleListBox->setMinimumHeight(
    00234     minimumListHeight( styleListBox, visibleListSize  ) );
    00235
    00236   connect(styleListBox, SIGNAL(highlighted(const QString &)),
    00237           SLOT(style_chosen_slot(const QString &)));
    00238
    00239
    00240   sizeListBox = new KListBox( page, "sizeListBox");
    00241   sizeOfFont = new KIntNumInput( page, "sizeOfFont");
    00242   sizeOfFont->setMinValue(4);
    00243
    00244   sizeListBox->setEnabled( !diff );
    00245   sizeOfFont->setEnabled( !diff );
    00246   if( sizeIsRelativeState ) {
    00247     QString sizeIsRelativeCBText =
    00248       i18n("relative");
    00249     QString sizeIsRelativeCBToolTipText =
    00250       i18n("Font size<br><i>fixed</i> or <i>relative</i><br>to environment");
    00251     QString sizeIsRelativeCBWhatsThisText =
    00252       i18n("Here you can switch between fixed font size and font size "
    00253            "to be calculated dynamically and adjusted to changing "
    00254            "environment (e.g. widget dimensions, paper size)." );
    00255     sizeIsRelativeCheckBox = new QCheckBox( sizeIsRelativeCBText,
    00256                                             page,
    00257                                            "sizeIsRelativeCheckBox" );
    00258     sizeIsRelativeCheckBox->setTristate( diff );
    00259     QGridLayout *sizeLayout2 = new QGridLayout( 3,2, KDialog::spacingHint()/2, "sizeLayout2" );
    00260     gridLayout->addLayout(sizeLayout2, row, 2);
    00261     sizeLayout2->setColStretch( 1, 1 ); // to prevent text from eating the right border
    00262     sizeLayout2->addMultiCellWidget( sizeOfFont, 0, 0, 0, 1);
    00263     sizeLayout2->addMultiCellWidget(sizeListBox, 1,1, 0,1);
    00264     sizeLayout2->addWidget(sizeIsRelativeCheckBox, 2, 0, Qt::AlignLeft);
    00265     QWhatsThis::add( sizeIsRelativeCheckBox, sizeIsRelativeCBWhatsThisText );
    00266     QToolTip::add(   sizeIsRelativeCheckBox, sizeIsRelativeCBToolTipText );
    00267   }
    00268   else {
    00269     sizeIsRelativeCheckBox = 0L;
    00270     QGridLayout *sizeLayout2 = new QGridLayout( 2,1, KDialog::spacingHint()/2, "sizeLayout2" );
    00271     gridLayout->addLayout(sizeLayout2, row, 2);
    00272     sizeLayout2->addWidget( sizeOfFont, 0, 0);
    00273     sizeLayout2->addMultiCellWidget(sizeListBox, 1,1, 0,0);
    00274   }
    00275   QString fontSizeWhatsThisText =
    00276     i18n("Here you can choose the font size to be used." );
    00277   QWhatsThis::add( sizeListBox, fontSizeWhatsThisText );
    00278   QWhatsThis::add( diff?(QWidget *)sizeCheckbox:(QWidget *)sizeLabel, fontSizeWhatsThisText );
    00279
    00280   fillSizeList();
    00281   sizeListBox->setMinimumWidth( minimumListWidth(sizeListBox) +
    00282     sizeListBox->fontMetrics().maxWidth() );
    00283   sizeListBox->setMinimumHeight(
    00284     minimumListHeight( sizeListBox, visibleListSize  ) );
    00285
    00286   connect( sizeOfFont, SIGNAL( valueChanged(int) ),
    00287            SLOT(size_value_slot(int)));
    00288
    00289   connect( sizeListBox, SIGNAL(highlighted(const QString&)),
    00290            SLOT(size_chosen_slot(const QString&)) );
    00291   sizeListBox->setSelected(sizeListBox->findItem(QString::number(10)), true); // default to 10pt.
    00292
    00293   row ++;
    00294
    00295   row ++;
    00296   sampleEdit = new QLineEdit( page, "sampleEdit");
    00297   QFont tmpFont( KGlobalSettings::generalFont().family(), 64, QFont::Black );
    00298   sampleEdit->setFont(tmpFont);
    00299   sampleEdit->setText(i18n("The Quick Brown Fox Jumps Over The Lazy Dog"));
    00300   sampleEdit->setMinimumHeight( sampleEdit->fontMetrics().lineSpacing() );
    00301   sampleEdit->setAlignment(Qt::AlignCenter);
    00302   gridLayout->addMultiCellWidget(sampleEdit, 4, 4, 0, 2);
    00303   QString sampleEditWhatsThisText =
    00304     i18n("This sample text illustrates the current settings. "
    00305          "You may edit it to test special characters." );
    00306   QWhatsThis::add( sampleEdit, sampleEditWhatsThisText );
    00307   connect(this, SIGNAL(fontSelected(const QFont &)),
    00308           SLOT(displaySample(const QFont &)));
    00309
    00310   QVBoxLayout *vbox;
    00311   if( makeFrame == true )
    00312   {
    00313     page = new QGroupBox( i18n("Actual Font"), this );
    00314     topLayout->addWidget(page);
    00315     vbox = new QVBoxLayout( page, KDialog::spacingHint() );
    00316     vbox->addSpacing( fontMetrics().lineSpacing() );
    00317   }
    00318   else
    00319   {
    00320     page = new QWidget( this );
    00321     topLayout->addWidget(page);
    00322     vbox = new QVBoxLayout( page, 0, KDialog::spacingHint() );
    00323     QLabel *label = new QLabel( i18n("Actual Font"), page );
    00324     vbox->addWidget( label );
    00325   }
    00326
    00327   xlfdEdit = new QLineEdit( page, "xlfdEdit" );
    00328   vbox->addWidget( xlfdEdit );
    00329
    00330   // lets initialize the display if possible
    00331   setFont( KGlobalSettings::generalFont(), usingFixed );
    00332   // check or uncheck or gray out the "relative" checkbox
    00333   if( sizeIsRelativeState && sizeIsRelativeCheckBox )
    00334     setSizeIsRelative( *sizeIsRelativeState );
    00335
    00336   KConfig *config = KGlobal::config();
    00337   KConfigGroupSaver saver(config, QString::fromLatin1("General"));
    00338   showXLFDArea(config->readBoolEntry(QString::fromLatin1("fontSelectorShowXLFD"), false));
    00339 }
    00340
    00341 KFontChooser::~KFontChooser()
    00342 {
    00343   delete d;
    00344 }
    00345
    00346 void KFontChooser::fillSizeList() {
    00347   if(! sizeListBox) return; //assertion.
    00348
    00349   static const int c[] =
    00350   {
    00351     4,  5,  6,  7,
    00352     8,  9,  10, 11,
    00353     12, 13, 14, 15,
    00354     16, 17, 18, 19,
    00355     20, 22, 24, 26,
    00356     28, 32, 48, 64,
    00357     0
    00358   };
    00359   for(int i = 0; c[i] != 0; i++)
    00360   {
    00361     sizeListBox->insertItem(QString::number(c[i]));
    00362   }
    00363 }
    00364
    00365 void KFontChooser::setColor( const QColor & col )
    00366 {
    00367   d->m_palette.setColor( QPalette::Active, QColorGroup::Text, col );
    00368   QPalette pal = sampleEdit->palette();
    00369   pal.setColor( QPalette::Active, QColorGroup::Text, col );
    00370   sampleEdit->setPalette( pal );
    00371 }
    00372
    00373 QColor KFontChooser::color() const
    00374 {
    00375   return d->m_palette.color( QPalette::Active, QColorGroup::Text );
    00376 }
    00377
    00378 void KFontChooser::setBackgroundColor( const QColor & col )
    00379 {
    00380   d->m_palette.setColor( QPalette::Active, QColorGroup::Base, col );
    00381   QPalette pal = sampleEdit->palette();
    00382   pal.setColor( QPalette::Active, QColorGroup::Base, col );
    00383   sampleEdit->setPalette( pal );
    00384 }
    00385
    00386 QColor KFontChooser::backgroundColor() const
    00387 {
    00388   return d->m_palette.color( QPalette::Active, QColorGroup::Base );
    00389 }
    00390
    00391 void KFontChooser::setSizeIsRelative( QButton::ToggleState relative )
    00392 {
    00393   // check or uncheck or gray out the "relative" checkbox
    00394   if( sizeIsRelativeCheckBox ) {
    00395     if( QButton::NoChange == relative )
    00396       sizeIsRelativeCheckBox->setNoChange();
    00397     else
    00398       sizeIsRelativeCheckBox->setChecked(  QButton::On == relative );
    00399   }
    00400 }
    00401
    00402 QButton::ToggleState KFontChooser::sizeIsRelative() const
    00403 {
    00404   return sizeIsRelativeCheckBox
    00405        ? sizeIsRelativeCheckBox->state()
    00406        : QButton::NoChange;
    00407 }
    00408
    00409 QSize KFontChooser::sizeHint( void ) const
    00410 {
    00411   return( minimumSizeHint() );
    00412 }
    00413
    00414
    00415 void KFontChooser::enableColumn( int column, bool state )
    00416 {
    00417   if( column & FamilyList )
    00418   {
    00419     familyListBox->setEnabled(state);
    00420   }
    00421   if( column & StyleList )
    00422   {
    00423     styleListBox->setEnabled(state);
    00424   }
    00425   if( column & SizeList )
    00426   {
    00427     sizeListBox->setEnabled(state);
    00428   }
    00429 }
    00430
    00431
    00432 void KFontChooser::setFont( const QFont& aFont, bool onlyFixed )
    00433 {
    00434   selFont = aFont;
    00435   selectedSize=aFont.pointSize();
    00436   if (selectedSize == -1)
    00437      selectedSize = QFontInfo(aFont).pointSize();
    00438
    00439   if( onlyFixed != usingFixed)
    00440   {
    00441     usingFixed = onlyFixed;
    00442     fillFamilyListBox(usingFixed);
    00443   }
    00444   setupDisplay();
    00445   displaySample(selFont);
    00446 }
    00447
    00448
    00449 int KFontChooser::fontDiffFlags() {
    00450    int diffFlags = 0;
    00451    if (familyCheckbox && styleCheckbox && sizeCheckbox) {
    00452       diffFlags = (int)(familyCheckbox->isChecked() ? FontDiffFamily : 0)
    00453                 | (int)( styleCheckbox->isChecked() ? FontDiffStyle  : 0)
    00454                 | (int)(  sizeCheckbox->isChecked() ? FontDiffSize   : 0);
    00455    }
    00456    return diffFlags;
    00457 }
    00458
    00459 void KFontChooser::toggled_checkbox()
    00460 {
    00461   familyListBox->setEnabled( familyCheckbox->isChecked() );
    00462   styleListBox->setEnabled( styleCheckbox->isChecked() );
    00463   sizeListBox->setEnabled( sizeCheckbox->isChecked() );
    00464   sizeOfFont->setEnabled( sizeCheckbox->isChecked() );
    00465 }
    00466
    00467 void KFontChooser::family_chosen_slot(const QString& family)
    00468 {
    00469     QFontDatabase dbase;
    00470     QStringList styles = QStringList(dbase.styles(family));
    00471     styleListBox->clear();
    00472     currentStyles.clear();
    00473     for ( QStringList::Iterator it = styles.begin(); it != styles.end(); ++it ) {
    00474         QString style = *it;
    00475         int pos = style.find("Plain");
    00476         if(pos >=0) style = style.replace(pos,5,i18n("Regular"));
    00477         pos = style.find("Normal");
    00478         if(pos >=0) style = style.replace(pos,6,i18n("Regular"));
    00479         pos = style.find("Oblique");
    00480         if(pos >=0) style = style.replace(pos,7,i18n("Italic"));
    00481         if(styleListBox->findItem(style) ==0) {
    00482             styleListBox->insertItem(i18n(style.utf8()));
    00483             currentStyles.insert(i18n(style.utf8()), *it);
    00484         }
    00485     }
    00486     if(styleListBox->count()==0) {
    00487         styleListBox->insertItem(i18n("Regular"));
    00488         currentStyles.insert(i18n("Regular"), "Normal");
    00489     }
    00490
    00491     styleListBox->blockSignals(true);
    00492     QListBoxItem *item = styleListBox->findItem(selectedStyle);
    00493     if (item)
    00494        styleListBox->setSelected(styleListBox->findItem(selectedStyle), true);
    00495     else
    00496        styleListBox->setSelected(0, true);
    00497     styleListBox->blockSignals(false);
    00498
    00499     style_chosen_slot(QString::null);
    00500 }
    00501
    00502 void KFontChooser::size_chosen_slot(const QString& size){
    00503
    00504   selectedSize=size.toInt();
    00505   sizeOfFont->setValue(selectedSize);
    00506   selFont.setPointSize(selectedSize);
    00507   emit fontSelected(selFont);
    00508 }
    00509
    00510 void KFontChooser::size_value_slot(int val) {
    00511   selFont.setPointSize(val);
    00512   emit fontSelected(selFont);
    00513 }
    00514
    00515 void KFontChooser::style_chosen_slot(const QString& style)
    00516 {
    00517     QString currentStyle;
    00518     if (style.isEmpty())
    00519        currentStyle = styleListBox->currentText();
    00520     else
    00521        currentStyle = style;
    00522
    00523     int diff=0; // the difference between the font size requested and what we can show.
    00524
    00525     sizeListBox->clear();
    00526     QFontDatabase dbase;
    00527     if(dbase.isSmoothlyScalable(familyListBox->currentText(), currentStyles[currentStyle])) {  // is vector font
    00528         //sampleEdit->setPaletteBackgroundPixmap( VectorPixmap ); // TODO
    00529         fillSizeList();
    00530     } else {                                // is bitmap font.
    00531         //sampleEdit->setPaletteBackgroundPixmap( BitmapPixmap ); // TODO
    00532         QValueList<int> sizes = dbase.smoothSizes(familyListBox->currentText(), currentStyles[currentStyle]);
    00533         if(sizes.count() > 0) {
    00534             QValueList<int>::iterator it;
    00535             diff=1000;
    00536             for ( it = sizes.begin(); it != sizes.end(); ++it ) {
    00537                 if(*it <= selectedSize || diff > *it - selectedSize) diff = selectedSize - *it;
    00538                 sizeListBox->insertItem(QString::number(*it));
    00539             }
    00540         } else // there are times QT does not provide the list..
    00541             fillSizeList();
    00542     }
    00543     sizeListBox->blockSignals(true);
    00544     sizeListBox->setSelected(sizeListBox->findItem(QString::number(selectedSize)), true);
    00545     sizeListBox->blockSignals(false);
    00546     sizeListBox->ensureCurrentVisible();
    00547
    00548     //kdDebug() << "Showing: " << familyListBox->currentText() << ", " << currentStyles[currentStyle] << ", " << selectedSize-diff << endl;
    00549     selFont = dbase.font(familyListBox->currentText(), currentStyles[currentStyle], selectedSize-diff);
    00550     emit fontSelected(selFont);
    00551     if (!style.isEmpty())
    00552         selectedStyle = style;
    00553 }
    00554
    00555 void KFontChooser::displaySample(const QFont& font)
    00556 {
    00557   sampleEdit->setFont(font);
    00558   sampleEdit->setCursorPosition(0);
    00559   xlfdEdit->setText(font.rawName());
    00560   xlfdEdit->setCursorPosition(0);
    00561
    00562   //QFontInfo a = QFontInfo(font);
    00563   //kdDebug() << "font: " << a.family () << ", " << a.pointSize () << endl;
    00564   //kdDebug() << "      (" << font.toString() << ")\n";
    00565 }
    00566
    00567 void KFontChooser::setupDisplay()
    00568 {
    00569   // Calling familyListBox->setCurrentItem() causes the value of selFont
    00570   // to change, so we save the family, style and size beforehand.
    00571   QString family = selFont.family().lower();
    00572   int style = (selFont.bold() ? 2 : 0) + (selFont.italic() ? 1 : 0);
    00573   int size = selFont.pointSize();
    00574   if (size == -1)
    00575      size = QFontInfo(selFont).pointSize();
    00576   QString sizeStr = QString::number(size);
    00577
    00578   int numEntries, i;
    00579
    00580   numEntries = familyListBox->count();
    00581   for (i = 0; i < numEntries; i++) {
    00582     if (family == familyListBox->text(i).lower()) {
    00583       familyListBox->setCurrentItem(i);
    00584       break;
    00585     }
    00586   }
    00587
    00588   // 1st Fallback
    00589   if ( (i == numEntries) )
    00590   {
    00591     if (family.contains('['))
    00592     {
    00593       family = family.left(family.find('[')).stripWhiteSpace();
    00594       for (i = 0; i < numEntries; i++) {
    00595         if (family == familyListBox->text(i).lower()) {
    00596           familyListBox->setCurrentItem(i);
    00597           break;
    00598         }
    00599       }
    00600     }
    00601   }
    00602
    00603   // 2nd Fallback
    00604   if ( (i == numEntries) )
    00605   {
    00606     QString fallback = family+" [";
    00607     for (i = 0; i < numEntries; i++) {
    00608       if (familyListBox->text(i).lower().startsWith(fallback)) {
    00609         familyListBox->setCurrentItem(i);
    00610         break;
    00611       }
    00612     }
    00613   }
    00614
    00615   // 3rd Fallback
    00616   if ( (i == numEntries) )
    00617   {
    00618     for (i = 0; i < numEntries; i++) {
    00619       if (familyListBox->text(i).lower().startsWith(family)) {
    00620         familyListBox->setCurrentItem(i);
    00621         break;
    00622       }
    00623     }
    00624   }
    00625
    00626   styleListBox->setCurrentItem(style);
    00627
    00628   numEntries = sizeListBox->count();
    00629   for (i = 0; i < numEntries; i++){
    00630     if (sizeStr == sizeListBox->text(i)) {
    00631       sizeListBox->setCurrentItem(i);
    00632       break;
    00633     }
    00634   }
    00635
    00636   sizeOfFont->setValue(size);
    00637 }
    00638
    00639
    00640 void KFontChooser::getFontList( QStringList &list, uint fontListCriteria)
    00641 {
    00642   QFontDatabase dbase;
    00643   QStringList lstSys(dbase.families());
    00644
    00645   // if we have criteria; then check fonts before adding
    00646   if (fontListCriteria)
    00647   {
    00648     QStringList lstFonts;
    00649     for (QStringList::Iterator it = lstSys.begin(); it != lstSys.end(); ++it)
    00650     {
    00651         if ((fontListCriteria & FixedWidthFonts) > 0 && !dbase.isFixedPitch(*it)) continue;
    00652         if ((fontListCriteria & (SmoothScalableFonts | ScalableFonts) == ScalableFonts) &&
    00653                 !dbase.isBitmapScalable(*it)) continue;
    00654         if ((fontListCriteria & SmoothScalableFonts) > 0 && !dbase.isSmoothlyScalable(*it)) continue;
    00655         lstFonts.append(*it);
    00656     }
    00657
    00658     if((fontListCriteria & FixedWidthFonts) > 0) {
    00659         // Fallback.. if there are no fixed fonts found, it's probably a
    00660         // bug in the font server or Qt.  In this case, just use 'fixed'
    00661         if (lstFonts.count() == 0)
    00662           lstFonts.append("fixed");
    00663     }
    00664
    00665     lstSys = lstFonts;
    00666   }
    00667
    00668   lstSys.sort();
    00669
    00670   list = lstSys;
    00671 }
    00672
    00673 void KFontChooser::addFont( QStringList &list, const char *xfont )
    00674 {
    00675   const char *ptr = strchr( xfont, '-' );
    00676   if ( !ptr )
    00677     return;
    00678
    00679   ptr = strchr( ptr + 1, '-' );
    00680   if ( !ptr )
    00681     return;
    00682
    00683   QString font = QString::fromLatin1(ptr + 1);
    00684
    00685   int pos;
    00686   if ( ( pos = font.find( '-' ) ) > 0 ) {
    00687     font.truncate( pos );
    00688
    00689     if ( font.find( QString::fromLatin1("open look"), 0, false ) >= 0 )
    00690       return;
    00691
    00692     QStringList::Iterator it = list.begin();
    00693
    00694     for ( ; it != list.end(); ++it )
    00695       if ( *it == font )
    00696         return;
    00697     list.append( font );
    00698   }
    00699 }
    00700
    00701 void KFontChooser::fillFamilyListBox(bool onlyFixedFonts)
    00702 {
    00703   QStringList fontList;
    00704   getFontList(fontList, onlyFixedFonts?FixedWidthFonts:0);
    00705   familyListBox->clear();
    00706   familyListBox->insertStringList(fontList);
    00707 }
    00708
    00709 void KFontChooser::showXLFDArea(bool show)
    00710 {
    00711   if( show == true )
    00712   {
    00713     xlfdEdit->parentWidget()->show();
    00714   }
    00715   else
    00716   {
    00717     xlfdEdit->parentWidget()->hide();
    00718   }
    00719 }
    00720
    00722
    00723 KFontDialog::KFontDialog( QWidget *parent, const char* name,
    00724                           bool onlyFixed, bool modal,
    00725                           const QStringList &fontList, bool makeFrame, bool diff,
    00726                           QButton::ToggleState *sizeIsRelativeState )
    00727   : KDialogBase( parent, name, modal, i18n("Select Font"), Ok|Cancel, Ok )
    00728 {
    00729   chooser = new KFontChooser( this, "fontChooser",
    00730                               onlyFixed, fontList, makeFrame, 8,
    00731                               diff, sizeIsRelativeState );
    00732   setMainWidget(chooser);
    00733 }
    00734
    00735
    00736 int KFontDialog::getFontDiff( QFont &theFont, int &diffFlags, bool onlyFixed,
    00737                              QWidget *parent, bool makeFrame,
    00738                              QButton::ToggleState *sizeIsRelativeState )
    00739 {
    00740   KFontDialog dlg( parent, "Font Selector", onlyFixed, true, QStringList(),
    00741                    makeFrame, true, sizeIsRelativeState );
    00742   dlg.setFont( theFont, onlyFixed );
    00743
    00744   int result = dlg.exec();
    00745   if( result == Accepted )
    00746   {
    00747     theFont = dlg.chooser->font();
    00748     diffFlags = dlg.chooser->fontDiffFlags();
    00749     if( sizeIsRelativeState )
    00750       *sizeIsRelativeState = dlg.chooser->sizeIsRelative();
    00751   }
    00752   return( result );
    00753 }
    00754
    00755 int KFontDialog::getFont( QFont &theFont, bool onlyFixed,
    00756                           QWidget *parent, bool makeFrame,
    00757                           QButton::ToggleState *sizeIsRelativeState )
    00758 {
    00759   KFontDialog dlg( parent, "Font Selector", onlyFixed, true, QStringList(),
    00760                    makeFrame, false, sizeIsRelativeState );
    00761   dlg.setFont( theFont, onlyFixed );
    00762
    00763   int result = dlg.exec();
    00764   if( result == Accepted )
    00765   {
    00766     theFont = dlg.chooser->font();
    00767     if( sizeIsRelativeState )
    00768       *sizeIsRelativeState = dlg.chooser->sizeIsRelative();
    00769   }
    00770   return( result );
    00771 }
    00772
    00773
    00774 int KFontDialog::getFontAndText( QFont &theFont, QString &theString,
    00775                                  bool onlyFixed, QWidget *parent,
    00776                                  bool makeFrame,
    00777                                  QButton::ToggleState *sizeIsRelativeState )
    00778 {
    00779   KFontDialog dlg( parent, "Font and Text Selector", onlyFixed, true,
    00780                    QStringList(), makeFrame, false, sizeIsRelativeState );
    00781   dlg.setFont( theFont, onlyFixed );
    00782
    00783   int result = dlg.exec();
    00784   if( result == Accepted )
    00785   {
    00786     theFont   = dlg.chooser->font();
    00787     theString = dlg.chooser->sampleText();
    00788     if( sizeIsRelativeState )
    00789       *sizeIsRelativeState = dlg.chooser->sizeIsRelative();
    00790   }
    00791   return( result );
    00792 }
    00793
    00794 void KFontChooser::virtual_hook( int, void* )
    00795 { /*BASE::virtual_hook( id, data );*/ }
    00796
    00797 void KFontDialog::virtual_hook( int id, void* data )
    00798 { KDialogBase::virtual_hook( id, data ); }

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 12:56:50 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001