kdeui
kfontcombo.cpp
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00020 #include <qfontdatabase.h>
00021 #include <qlistbox.h>
00022 #include <qpainter.h>
00023
00024 #include <kcharsets.h>
00025 #include <kconfig.h>
00026 #include <kglobal.h>
00027 #include <kfontdialog.h>
00028
00029 #include "kfontcombo.h"
00030 #include "kfontcombo.moc"
00031
00032 struct KFontComboPrivate
00033 {
00034 KFontComboPrivate()
00035 : bold(false),
00036 italic(false),
00037 underline(false),
00038 strikeOut(false),
00039 modified(false),
00040 size(0),
00041 lineSpacing(0)
00042 {
00043 }
00044
00045 bool bold : 1;
00046 bool italic : 1;
00047 bool underline : 1;
00048 bool strikeOut : 1;
00049 bool displayFonts : 1;
00050 bool modified : 1;
00051 int size;
00052 int lineSpacing;
00053 QString defaultFamily;
00054 };
00055
00056 class KFontListItem : public QListBoxItem
00057 {
00058 public:
00059 KFontListItem(const QString &fontName, KFontCombo *combo);
00060 virtual ~KFontListItem();
00061
00062 virtual int width(const QListBox *) const;
00063 virtual int height(const QListBox *) const;
00064
00065 void updateFont();
00066
00067 protected:
00068 virtual void paint(QPainter *p);
00069
00070 private:
00071 void createFont();
00072
00073 private:
00074 KFontCombo *m_combo;
00075 QString m_fontName;
00076 QFont *m_font;
00077 bool m_canPaintName;
00078 };
00079
00080 KFontListItem::KFontListItem(const QString &fontName, KFontCombo *combo)
00081 : QListBoxItem(combo->listBox()),
00082 m_combo(combo),
00083 m_fontName(fontName),
00084 m_font(0),
00085 m_canPaintName(true)
00086 {
00087 setText(fontName);
00088 }
00089
00090 KFontListItem::~KFontListItem()
00091 {
00092 delete m_font;
00093 }
00094
00095 int KFontListItem::width(const QListBox *lb) const
00096 {
00097 if (m_font)
00098 return QFontMetrics(*m_font).width(text()) + 6;
00099 return lb->fontMetrics().width(text()) + 6;
00100 }
00101
00102 int KFontListItem::height(const QListBox *lb) const
00103 {
00104 if (m_combo->d->displayFonts)
00105 return m_combo->d->lineSpacing + 2;
00106 QFontMetrics fm(lb->fontMetrics());
00107 return fm.lineSpacing() + 2;
00108 }
00109
00110 void KFontListItem::paint(QPainter *p)
00111 {
00112 if (m_combo->d->displayFonts)
00113 {
00114 if (!m_font)
00115 createFont();
00116
00117 QString t = m_fontName;
00118 if (p->device() != m_combo)
00119 {
00120 if (m_canPaintName)
00121 p->setFont(*m_font);
00122 else
00123 t = QString::fromLatin1("(%1)").arg(m_fontName);
00124 }
00125 QFontMetrics fm(p->fontMetrics());
00126 p->drawText(3, (m_combo->d->lineSpacing + fm.ascent() + fm.leading() / 2) / 2, t);
00127 }
00128 else
00129 {
00130 QFontMetrics fm(p->fontMetrics());
00131 p->drawText(3, fm.ascent() + fm.leading() / 2, m_fontName);
00132 }
00133 }
00134
00135 void KFontListItem::updateFont()
00136 {
00137 if (!m_font)
00138 return;
00139
00140 m_font->setBold(m_combo->d->bold);
00141 m_font->setItalic(m_combo->d->italic);
00142 m_font->setUnderline(m_combo->d->underline);
00143 m_font->setStrikeOut(m_combo->d->strikeOut);
00144 m_font->setPointSize(m_combo->d->size);
00145 }
00146
00147 void KFontListItem::createFont()
00148 {
00149 if (m_font)
00150 return;
00151
00152 m_font = new QFont(m_fontName);
00153 QFontMetrics fm(*m_font);
00154 for (unsigned int i = 0; i < m_fontName.length(); ++i)
00155 if (!fm.inFont(m_fontName[i]))
00156 {
00157 m_canPaintName = false;
00158 break;
00159 }
00160 updateFont();
00161 }
00162
00163 KFontCombo::KFontCombo(QWidget *parent, const char *name)
00164 : KComboBox(true, parent, name)
00165 {
00166 init();
00167 QStringList families;
00168 KFontChooser::getFontList(families, 0);
00169 setFonts(families);
00170 }
00171
00172 KFontCombo::KFontCombo(const QStringList &fonts, QWidget *parent, const char *name)
00173 : KComboBox(true, parent, name)
00174 {
00175 init();
00176 setFonts(fonts);
00177 }
00178
00179 void KFontCombo::setFonts(const QStringList &fonts)
00180 {
00181 clear();
00182 for (QStringList::ConstIterator it = fonts.begin(); it != fonts.end(); ++it)
00183 new KFontListItem(*it, this);
00184 }
00185
00186
00187
00188
00189 void KFontCombo::setCurrentFont(const QString &family)
00190 {
00191 QString lowerName = family.lower();
00192 int c = count();
00193 for(int i = 0; i < c; i++)
00194 {
00195 if (text(i).lower() == lowerName)
00196 {
00197 setCurrentItem(i);
00198 d->defaultFamily = text(i);
00199 d->modified = false;
00200 return;
00201 }
00202 }
00203 int x = lowerName.find(" [");
00204 if (x>-1)
00205 {
00206 lowerName = lowerName.left(x);
00207 for(int i = 0; i < c; i++)
00208 {
00209 if (text(i).lower() == lowerName)
00210 {
00211 setCurrentItem(i);
00212 d->defaultFamily = text(i);
00213 d->modified = false;
00214 return;
00215 }
00216 }
00217 }
00218
00219 lowerName += " [";
00220 for(int i = 0; i < c; i++)
00221 {
00222 if (text(i).lower().startsWith(lowerName))
00223 {
00224 setCurrentItem(i);
00225 d->defaultFamily = text(i);
00226 d->modified = false;
00227 return;
00228 }
00229 }
00230 }
00231
00232 void KFontCombo::slotModified( int )
00233 {
00234 d->modified = 1;
00235 }
00236
00237 QString KFontCombo::currentFont() const
00238 {
00239 if (d->modified)
00240 return currentText();
00241 return d->defaultFamily;
00242 }
00243
00244 void KFontCombo::setCurrentItem(int i)
00245 {
00246 d->modified = true;
00247 QComboBox::setCurrentItem(i);
00248 }
00249
00250 void KFontCombo::init()
00251 {
00252 d = new KFontComboPrivate;
00253 d->displayFonts = displayFonts();
00254 setInsertionPolicy(NoInsertion);
00255 setAutoCompletion(true);
00256 setSize(12);
00257 connect( this, SIGNAL(highlighted(int)), SLOT(slotModified(int)));
00258 }
00259
00260 KFontCombo::~KFontCombo()
00261 {
00262 delete d;
00263 }
00264
00265 void KFontCombo::setBold(bool bold)
00266 {
00267 if (d->bold == bold)
00268 return;
00269 d->bold = bold;
00270 updateFonts();
00271 }
00272
00273 bool KFontCombo::bold() const
00274 {
00275 return d->bold;
00276 }
00277
00278 void KFontCombo::setItalic(bool italic)
00279 {
00280 if (d->italic == italic)
00281 return;
00282 d->italic = italic;
00283 updateFonts();
00284 }
00285
00286 bool KFontCombo::italic() const
00287 {
00288 return d->italic;
00289 }
00290
00291 void KFontCombo::setUnderline(bool underline)
00292 {
00293 if (d->underline == underline)
00294 return;
00295 d->underline = underline;
00296 updateFonts();
00297 }
00298
00299 bool KFontCombo::underline() const
00300 {
00301 return d->underline;
00302 }
00303
00304 void KFontCombo::setStrikeOut(bool strikeOut)
00305 {
00306 if (d->strikeOut == strikeOut)
00307 return;
00308 d->strikeOut = strikeOut;
00309 updateFonts();
00310 }
00311
00312 bool KFontCombo::strikeOut() const
00313 {
00314 return d->strikeOut;
00315 }
00316
00317 void KFontCombo::setSize(int size)
00318 {
00319 if (d->size == size)
00320 return;
00321 d->size = size;
00322 QFont f;
00323 f.setPointSize(size);
00324 QFontMetrics fm(f);
00325 d->lineSpacing = fm.lineSpacing();
00326 updateFonts();
00327 }
00328
00329 int KFontCombo::size() const
00330 {
00331 return d->size;
00332 }
00333
00334 void KFontCombo::updateFonts()
00335 {
00336 if (!d->displayFonts)
00337 return;
00338
00339 for (unsigned int i = 0; i < listBox()->count(); ++i)
00340 {
00341 KFontListItem *item = static_cast<KFontListItem *>(listBox()->item(i));
00342 item->updateFont();
00343 }
00344 }
00345
00346 bool KFontCombo::displayFonts()
00347 {
00348 KConfigGroupSaver saver(KGlobal::config(), "KDE");
00349 return KGlobal::config()->readBoolEntry("DisplayFontItems", true);
00350 }
00351
00352 void KFontCombo::virtual_hook( int id, void* data )
00353 { KComboBox::virtual_hook( id, data ); }
00354
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