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Diffstat (limited to 'kdeui/kfontcombo.cpp')
| -rw-r--r-- | kdeui/kfontcombo.cpp | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/kdeui/kfontcombo.cpp b/kdeui/kfontcombo.cpp new file mode 100644 index 000000000..d4f04812f --- /dev/null +++ b/kdeui/kfontcombo.cpp @@ -0,0 +1,354 @@ +/* This file is part of the KDE libraries + Copyright (c) 2001 Malte Starostik <malte@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 version 2 as published by the Free Software Foundation. + + 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 <qfontdatabase.h> +#include <qlistbox.h> +#include <qpainter.h> + +#include <kcharsets.h> +#include <kconfig.h> +#include <kglobal.h> +#include <kfontdialog.h> + +#include "kfontcombo.h" +#include "kfontcombo.moc" + +struct KFontComboPrivate +{ + KFontComboPrivate() + : bold(false), + italic(false), + underline(false), + strikeOut(false), + modified(false), + size(0), + lineSpacing(0) + { + } + + bool bold : 1; + bool italic : 1; + bool underline : 1; + bool strikeOut : 1; + bool displayFonts : 1; + bool modified : 1; + int size; + int lineSpacing; + QString defaultFamily; +}; + +class KFontListItem : public QListBoxItem +{ +public: + KFontListItem(const QString &fontName, KFontCombo *combo); + virtual ~KFontListItem(); + + virtual int width(const QListBox *) const; + virtual int height(const QListBox *) const; + + void updateFont(); + +protected: + virtual void paint(QPainter *p); + +private: + void createFont(); + +private: + KFontCombo *m_combo; + QString m_fontName; + QFont *m_font; + bool m_canPaintName; +}; + +KFontListItem::KFontListItem(const QString &fontName, KFontCombo *combo) + : QListBoxItem(combo->listBox()), + m_combo(combo), + m_fontName(fontName), + m_font(0), + m_canPaintName(true) +{ + setText(fontName); +} + +KFontListItem::~KFontListItem() +{ + delete m_font; +} + +int KFontListItem::width(const QListBox *lb) const +{ + if (m_font) + return QFontMetrics(*m_font).width(text()) + 6; + return lb->fontMetrics().width(text()) + 6; +} + +int KFontListItem::height(const QListBox *lb) const +{ + if (m_combo->d->displayFonts) + return m_combo->d->lineSpacing + 2; + QFontMetrics fm(lb->fontMetrics()); + return fm.lineSpacing() + 2; +} + +void KFontListItem::paint(QPainter *p) +{ + if (m_combo->d->displayFonts) + { + if (!m_font) + createFont(); + + QString t = m_fontName; + if (p->device() != m_combo) + { + if (m_canPaintName) + p->setFont(*m_font); + else + t = QString::fromLatin1("(%1)").arg(m_fontName); + } + QFontMetrics fm(p->fontMetrics()); + p->drawText(3, (m_combo->d->lineSpacing + fm.ascent() + fm.leading() / 2) / 2, t); + } + else + { + QFontMetrics fm(p->fontMetrics()); + p->drawText(3, fm.ascent() + fm.leading() / 2, m_fontName); + } +} + +void KFontListItem::updateFont() +{ + if (!m_font) + return; + + m_font->setBold(m_combo->d->bold); + m_font->setItalic(m_combo->d->italic); + m_font->setUnderline(m_combo->d->underline); + m_font->setStrikeOut(m_combo->d->strikeOut); + m_font->setPointSize(m_combo->d->size); +} + +void KFontListItem::createFont() +{ + if (m_font) + return; + + m_font = new QFont(m_fontName); + QFontMetrics fm(*m_font); + for (unsigned int i = 0; i < m_fontName.length(); ++i) + if (!fm.inFont(m_fontName[i])) + { + m_canPaintName = false; + break; + } + updateFont(); +} + +KFontCombo::KFontCombo(QWidget *parent, const char *name) + : KComboBox(true, parent, name) +{ + init(); + QStringList families; + KFontChooser::getFontList(families, 0); + setFonts(families); +} + +KFontCombo::KFontCombo(const QStringList &fonts, QWidget *parent, const char *name) + : KComboBox(true, parent, name) +{ + init(); + setFonts(fonts); +} + +void KFontCombo::setFonts(const QStringList &fonts) +{ + clear(); + for (QStringList::ConstIterator it = fonts.begin(); it != fonts.end(); ++it) + new KFontListItem(*it, this); +} + +/* + * Maintenance note: Keep in sync with KFontAction::setFont() + */ +void KFontCombo::setCurrentFont(const QString &family) +{ + QString lowerName = family.lower(); + int c = count(); + for(int i = 0; i < c; i++) + { + if (text(i).lower() == lowerName) + { + setCurrentItem(i); + d->defaultFamily = text(i); + d->modified = false; + return; + } + } + int x = lowerName.find(" ["); + if (x>-1) + { + lowerName = lowerName.left(x); + for(int i = 0; i < c; i++) + { + if (text(i).lower() == lowerName) + { + setCurrentItem(i); + d->defaultFamily = text(i); + d->modified = false; + return; + } + } + } + + lowerName += " ["; + for(int i = 0; i < c; i++) + { + if (text(i).lower().startsWith(lowerName)) + { + setCurrentItem(i); + d->defaultFamily = text(i); + d->modified = false; + return; + } + } +} + +void KFontCombo::slotModified( int ) +{ + d->modified = 1; +} + +QString KFontCombo::currentFont() const +{ + if (d->modified) + return currentText(); + return d->defaultFamily; +} + +void KFontCombo::setCurrentItem(int i) +{ + d->modified = true; + QComboBox::setCurrentItem(i); +} + +void KFontCombo::init() +{ + d = new KFontComboPrivate; + d->displayFonts = displayFonts(); + setInsertionPolicy(NoInsertion); + setAutoCompletion(true); + setSize(12); + connect( this, SIGNAL(highlighted(int)), SLOT(slotModified(int))); +} + +KFontCombo::~KFontCombo() +{ + delete d; +} + +void KFontCombo::setBold(bool bold) +{ + if (d->bold == bold) + return; + d->bold = bold; + updateFonts(); +} + +bool KFontCombo::bold() const +{ + return d->bold; +} + +void KFontCombo::setItalic(bool italic) +{ + if (d->italic == italic) + return; + d->italic = italic; + updateFonts(); +} + +bool KFontCombo::italic() const +{ + return d->italic; +} + +void KFontCombo::setUnderline(bool underline) +{ + if (d->underline == underline) + return; + d->underline = underline; + updateFonts(); +} + +bool KFontCombo::underline() const +{ + return d->underline; +} + +void KFontCombo::setStrikeOut(bool strikeOut) +{ + if (d->strikeOut == strikeOut) + return; + d->strikeOut = strikeOut; + updateFonts(); +} + +bool KFontCombo::strikeOut() const +{ + return d->strikeOut; +} + +void KFontCombo::setSize(int size) +{ + if (d->size == size) + return; + d->size = size; + QFont f; + f.setPointSize(size); + QFontMetrics fm(f); + d->lineSpacing = fm.lineSpacing(); + updateFonts(); +} + +int KFontCombo::size() const +{ + return d->size; +} + +void KFontCombo::updateFonts() +{ + if (!d->displayFonts) + return; + + for (unsigned int i = 0; i < listBox()->count(); ++i) + { + KFontListItem *item = static_cast<KFontListItem *>(listBox()->item(i)); + item->updateFont(); + } +} + +bool KFontCombo::displayFonts() +{ + KConfigGroupSaver saver(KGlobal::config(), "KDE"); + return KGlobal::config()->readBoolEntry("DisplayFontItems", true); +} + +void KFontCombo::virtual_hook( int id, void* data ) +{ KComboBox::virtual_hook( id, data ); } + |