mirror of
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133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
/*
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Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
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Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, permission is given to link this program
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with any edition of Qt, and distribute the resulting executable,
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without including the source code for Qt in the source distribution.
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*/
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#include "alternatelabel.h"
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using namespace EventViews;
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AlternateLabel::AlternateLabel( const QString &shortlabel, const QString &longlabel,
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const QString &extensivelabel, QWidget *parent )
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: QLabel( parent ), mTextTypeFixed( false ), mShortText( shortlabel ),
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mLongText( longlabel ), mExtensiveText( extensivelabel )
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{
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setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
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if ( mExtensiveText.isEmpty() ) {
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mExtensiveText = mLongText;
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}
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squeezeTextToLabel();
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}
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AlternateLabel::~AlternateLabel()
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{
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}
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void AlternateLabel::useShortText()
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{
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mTextTypeFixed = true;
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QLabel::setText( mShortText );
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setToolTip( mExtensiveText );
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}
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void AlternateLabel::useLongText()
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{
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mTextTypeFixed = true;
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QLabel::setText( mLongText );
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this->setToolTip( mExtensiveText );
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}
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void AlternateLabel::useExtensiveText()
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{
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mTextTypeFixed = true;
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QLabel::setText( mExtensiveText );
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this->setToolTip( QString() );
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}
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void AlternateLabel::useDefaultText()
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{
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mTextTypeFixed = false;
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squeezeTextToLabel();
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}
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void AlternateLabel::squeezeTextToLabel()
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{
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if ( mTextTypeFixed ) {
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return;
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}
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QFontMetrics fm( fontMetrics() );
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int labelWidth = size().width();
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int textWidth = fm.width( mLongText );
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int longTextWidth = fm.width( mExtensiveText );
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if ( longTextWidth <= labelWidth ) {
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QLabel::setText( mExtensiveText );
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this->setToolTip( QString() );
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} else if ( textWidth <= labelWidth ) {
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QLabel::setText( mLongText );
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this->setToolTip( mExtensiveText );
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} else {
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QLabel::setText( mShortText );
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this->setToolTip( mExtensiveText );
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}
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}
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void AlternateLabel::resizeEvent( QResizeEvent * )
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{
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squeezeTextToLabel();
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}
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QSize AlternateLabel::minimumSizeHint() const
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{
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QSize sh = QLabel::minimumSizeHint();
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sh.setWidth( -1 );
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return sh;
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}
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AlternateLabel::TextType AlternateLabel::largestFittingTextType() const
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{
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QFontMetrics fm( fontMetrics() );
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const int labelWidth = size().width();
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const int longTextWidth = fm.width( mLongText );
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const int extensiveTextWidth = fm.width( mExtensiveText );
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if ( extensiveTextWidth <= labelWidth ) {
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return Extensive;
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} else if ( longTextWidth <= labelWidth ) {
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return Long;
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} else {
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return Short;
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}
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}
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void AlternateLabel::setFixedType( TextType type )
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{
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switch ( type ) {
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case Extensive:
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useExtensiveText();
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break;
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case Long:
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useLongText();
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break;
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case Short:
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useShortText();
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break;
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}
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}
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