From 50b48aec6ddd451a6d1709c0942477b503457663 Mon Sep 17 00:00:00 2001 From: tpearson Date: Wed, 3 Feb 2010 02:15:56 +0000 Subject: Added abandoned KDE3 version of K3B git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- libk3b/tools/k3btitlelabel.cpp | 266 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 266 insertions(+) create mode 100644 libk3b/tools/k3btitlelabel.cpp (limited to 'libk3b/tools/k3btitlelabel.cpp') diff --git a/libk3b/tools/k3btitlelabel.cpp b/libk3b/tools/k3btitlelabel.cpp new file mode 100644 index 0000000..9e1f18b --- /dev/null +++ b/libk3b/tools/k3btitlelabel.cpp @@ -0,0 +1,266 @@ +/* + * + * $Id: k3btitlelabel.cpp 619556 2007-01-03 17:38:12Z trueg $ + * Copyright (C) 2003 Sebastian Trueg + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * See the file "COPYING" for the exact licensing terms. + */ + +#include "k3btitlelabel.h" + +#include + +#include +#include +#include +#include +#include + + +class K3bTitleLabel::Private +{ +public: + Private() { + titleLength = subTitleLength = 0; + margin = 2; + alignment = Qt::AlignLeft; + cachedMinimumWidth = 0; + titleBaseLine = 0; + } + + QString title; + QString subTitle; + + QString displayTitle; + QString displaySubTitle; + + int alignment; + + int titleLength; + int subTitleLength; + int displayTitleLength; + int displaySubTitleLength; + int titleBaseLine; + int subTitleBaseLine; + int margin; + + int cachedMinimumWidth; +}; + + +class K3bTitleLabel::ToolTip : public QToolTip +{ +public: + ToolTip( K3bTitleLabel* label ) + : QToolTip( label ), + m_label(label) { + } + + void maybeTip( const QPoint &pos ) { + QRect r = m_label->contentsRect(); + + int neededWidth = m_label->d->displayTitleLength; + if( !m_label->d->displaySubTitle.isEmpty() ) + neededWidth += m_label->d->displaySubTitleLength + 5; + + int startPos = 0; + if( m_label->d->alignment & Qt::AlignHCenter ) + startPos = r.left() + ( r.width() - 2*m_label->d->margin - neededWidth ) / 2; + else if( m_label->d->alignment & Qt::AlignRight ) + startPos = r.right() - m_label->d->margin - neededWidth; + else + startPos = r.left() + m_label->d->margin; + + QRect titleTipRect( startPos, 0, m_label->d->displayTitleLength, m_label->height() ); + QRect subTitleTipRect( startPos + m_label->d->displayTitleLength, 0, m_label->d->displaySubTitleLength, m_label->height() ); + + if( titleTipRect.contains( pos ) && + m_label->d->displayTitle != m_label->d->title ) + tip( titleTipRect, m_label->d->title ); + else if( subTitleTipRect.contains( pos ) && + m_label->d->displaySubTitle != m_label->d->subTitle ) + tip( subTitleTipRect, m_label->d->subTitle ); + } + + K3bTitleLabel* m_label; +}; + + + +K3bTitleLabel::K3bTitleLabel( QWidget* parent, const char* name ) + : QFrame( parent, name ) +{ + d = new Private(); + m_toolTip = new ToolTip( this ); +} + + +K3bTitleLabel::~K3bTitleLabel() +{ + delete m_toolTip; + delete d; +} + + +void K3bTitleLabel::setTitle( const QString& title, const QString& subTitle ) +{ + d->title = title; + d->subTitle = subTitle; + updatePositioning(); + update(); +} + + +void K3bTitleLabel::setSubTitle( const QString& subTitle ) +{ + d->subTitle = subTitle; + updatePositioning(); + update(); +} + + +void K3bTitleLabel::setAlignment( int align ) +{ + d->alignment = align; + update(); +} + + +QSize K3bTitleLabel::sizeHint() const +{ + return QSize( d->titleLength + d->subTitleLength + 2*d->margin, d->titleBaseLine ); +} + +QSize K3bTitleLabel::minimumSizeHint() const +{ + return QSize( d->cachedMinimumWidth, d->titleBaseLine ); +} + +void K3bTitleLabel::resizeEvent( QResizeEvent* e ) +{ + QFrame::resizeEvent( e ); + updatePositioning(); + update(); +} + +void K3bTitleLabel::drawContents( QPainter* p ) +{ + p->save(); + + QRect r = contentsRect(); + p->eraseRect( r ); + + QFont f(font()); + f.setBold(true); + f.setPointSize( f.pointSize() + 2 ); + + p->setFont(f); + + int neededWidth = d->displayTitleLength; + if( !d->displaySubTitle.isEmpty() ) + neededWidth += d->displaySubTitleLength + 5; + + int startPos = 0; + if( d->alignment & Qt::AlignHCenter ) + startPos = r.left() + ( r.width() - 2*d->margin - neededWidth ) / 2; + else if( d->alignment & Qt::AlignRight ) + startPos = r.right() - d->margin - neededWidth; + else + startPos = r.left() + d->margin; + + // paint title + p->drawText( startPos, r.top() + d->titleBaseLine, d->displayTitle ); + + if( !d->subTitle.isEmpty() ) { + f.setBold(false); + f.setPointSize( f.pointSize() - 4 ); + p->setFont(f); + p->drawText( startPos + d->displayTitleLength + 5, r.top() + d->subTitleBaseLine, d->displaySubTitle ); + } + + p->restore(); +} + + +void K3bTitleLabel::setMargin( int m ) +{ + d->margin = m; + updatePositioning(); + update(); +} + + +void K3bTitleLabel::updatePositioning() +{ + QFont f(font()); + f.setBold(true); + f.setPointSize( f.pointSize() + 2 ); + QFontMetrics titleFm(f); + + f.setBold(false); + f.setPointSize( f.pointSize() - 4 ); + QFontMetrics subTitleFm(f); + + d->titleBaseLine = contentsRect().height()/2 + titleFm.height()/2 - titleFm.descent(); + d->titleLength = titleFm.width( d->title ); + + d->subTitleBaseLine = d->titleBaseLine - titleFm.underlinePos() + subTitleFm.underlinePos(); + + d->subTitleLength = ( d->subTitle.isEmpty() ? 0 : subTitleFm.width( d->subTitle ) ); + + // cut the text to window width + d->displayTitle = d->title; + d->displaySubTitle = d->subTitle; + int widthAvail = contentsRect().width() - 2*margin(); + + // 5 pix spacing between title and subtitle + if( !d->subTitle.isEmpty() ) + widthAvail -= 5; + + if( d->titleLength > widthAvail/2 ) { + if( d->subTitleLength <= widthAvail/2 ) + d->displayTitle = K3b::cutToWidth( titleFm, d->title, widthAvail - d->subTitleLength ); + else + d->displayTitle = K3b::cutToWidth( titleFm, d->title, widthAvail/2 ); + } + if( d->subTitleLength > widthAvail/2 ) { + if( d->titleLength <= widthAvail/2 ) + d->displaySubTitle = K3b::cutToWidth( subTitleFm, d->subTitle, widthAvail - d->titleLength ); + else + d->displaySubTitle = K3b::cutToWidth( subTitleFm, d->subTitle, widthAvail/2 ); + } + + d->displayTitleLength = titleFm.width( d->displayTitle ); + d->displaySubTitleLength = subTitleFm.width( d->displaySubTitle ); + + + // + // determine the minimum width for the minumum size hint + // + d->cachedMinimumWidth = 2*d->margin; + + QString cutTitle = d->title; + if( cutTitle.length() > 2 ) { + cutTitle.truncate( 2 ); + cutTitle += "..."; + } + QString cutSubTitle = d->subTitle; + if( cutSubTitle.length() > 2 ) { + cutSubTitle.truncate( 2 ); + cutSubTitle += "..."; + } + + d->cachedMinimumWidth += titleFm.width( cutTitle ) + subTitleFm.width( cutSubTitle ); + // 5 pix spacing between title and subtitle + if( !d->subTitle.isEmpty() ) + d->cachedMinimumWidth += 5; +} + +#include "k3btitlelabel.moc" -- cgit v1.2.3