/* * lcd_spinbox.cpp - class lcdSpinBox, an improved QLCDNumber * * Copyright (c) 2005-2009 Tobias Doerffel * Copyright (c) 2008 Paul Giblock * * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net * * 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. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program (see COPYING); if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. * */ #include #include #include #include #include #include #include "lcd_spinbox.h" #include "caption_menu.h" #include "engine.h" #include "embed.h" #include "gui_templates.h" #include "templates.h" #include "MainWindow.h" lcdSpinBox::lcdSpinBox( int _num_digits, QWidget * _parent, const QString & _name ) : QWidget( _parent ), IntModelView( new IntModel( 0, 0, 0, NULL, _name, true ), this ), m_label(), m_numDigits( _num_digits ), m_origMousePos() { setEnabled( true ); setAccessibleName( _name ); m_lcdPixmap = new QPixmap( embed::getIconPixmap( "lcd_19green" ) ); m_cellWidth = m_lcdPixmap->size().width() / lcdSpinBox::charsPerPixmap; m_cellHeight = m_lcdPixmap->size().height() / 2; m_marginWidth = m_cellWidth / 2; updateSize(); } lcdSpinBox::lcdSpinBox( int _num_digits, const QString & _lcd_style, QWidget * _parent, const QString & _name ) : QWidget( _parent ), IntModelView( new IntModel( 0, 0, 0, NULL, _name, true ), this ), m_label(), m_numDigits( _num_digits ), m_origMousePos() { setEnabled( true ); setAccessibleName( _name ); // We should make a factory for these or something. m_lcdPixmap = new QPixmap( embed::getIconPixmap( QString( "lcd_" + _lcd_style ).toUtf8().constData() ) ); m_cellWidth = m_lcdPixmap->size().width() / lcdSpinBox::charsPerPixmap; m_cellHeight = m_lcdPixmap->size().height() / 2; m_marginWidth = m_cellWidth / 2; updateSize(); } lcdSpinBox::~lcdSpinBox() { delete m_lcdPixmap; } void lcdSpinBox::paintEvent( QPaintEvent * _me ) { QRect ur = _me->rect(); QPainter p( this ); QSize cellSize( m_cellWidth, m_cellHeight ); QRect cellRect( 0, 0, m_cellWidth, m_cellHeight ); int margin = 1; // QStyle::PM_DefaultFrameWidth; //int lcdWidth = m_cellWidth * m_numDigits + (margin*m_marginWidth)*2; // p.translate( width() / 2 - lcdWidth / 2, 0 ); p.save(); p.translate( margin, margin ); // Left Margin p.drawPixmap( cellRect, *m_lcdPixmap, QRect( QPoint( charsPerPixmap*m_cellWidth, isEnabled()?0:m_cellHeight ), cellSize ) ); p.translate( m_marginWidth, 0 ); // Padding for( int i=0; i < m_numDigits - m_display.length(); i++ ) { p.drawPixmap( cellRect, *m_lcdPixmap, QRect( QPoint( 10 * m_cellWidth, isEnabled()?0:m_cellHeight) , cellSize ) ); p.translate( m_cellWidth, 0 ); } // Digits for( int i=0; i < m_display.length(); i++ ) { int val = m_display[i].digitValue(); if( val < 0 ) { if( m_display[i] == '-' ) val = 11; else val = 10; } p.drawPixmap( cellRect, *m_lcdPixmap, QRect( QPoint( val*m_cellWidth, isEnabled()?0:m_cellHeight ), cellSize ) ); p.translate( m_cellWidth, 0 ); } // Right Margin p.drawPixmap( QRect( 0, 0, m_marginWidth-1, m_cellHeight ), *m_lcdPixmap, QRect( charsPerPixmap*m_cellWidth, isEnabled()?0:m_cellHeight, m_cellWidth / 2, m_cellHeight ) ); p.restore(); // Border QStyleOptionFrame opt; opt.initFrom( this ); opt.state = QStyle::State_Sunken; opt.rect = QRect( 0, 0, m_cellWidth * m_numDigits + (margin+m_marginWidth)*2 - 1, m_cellHeight + (margin*2) ); style()->drawPrimitive( QStyle::PE_Frame, &opt, &p, this ); p.resetTransform(); // Label if( !m_label.isEmpty() ) { p.setFont( pointSize<6>( p.font() ) ); p.setPen( QColor( 64, 64, 64 ) ); p.drawText( width() / 2 - p.fontMetrics().width( m_label ) / 2 + 1, height(), m_label ); p.setPen( QColor( 255, 255, 255 ) ); p.drawText( width() / 2 - p.fontMetrics().width( m_label ) / 2, height() - 1, m_label ); } } void lcdSpinBox::update() { QString s = m_textForValue[model()->value()]; if( s == "" ) { s = QString::number( model()->value() ); // TODO: if pad == true /* while( (int) s.length() < m_numDigits ) { s = "0" + s; } */ } m_display = s; QWidget::update(); } void lcdSpinBox::setLabel( const QString & _txt ) { m_label = _txt; updateSize(); } void lcdSpinBox::setEnabled( bool _on ) { QWidget::setEnabled( _on ); } void lcdSpinBox::setMarginWidth( int _width ) { m_marginWidth = _width; updateSize(); } void lcdSpinBox::updateSize() { int margin = 1; if (m_label.isEmpty()) { setFixedSize( m_cellWidth * m_numDigits + 2*(margin+m_marginWidth), m_cellHeight + (2*margin) ); } else { setFixedSize( qMax( m_cellWidth * m_numDigits + 2*(margin+m_marginWidth), QFontMetrics( pointSize<6>( font() ) ).width( m_label ) ), m_cellHeight + (2*margin) + 10 ); } update(); } void lcdSpinBox::contextMenuEvent( QContextMenuEvent * _me ) { m_origMousePos = _me->globalPos(); // for the case, the user clicked right while pressing left mouse- // button, the context-menu appears while mouse-cursor is still hidden // and it isn't shown again until user does something which causes // an QApplication::restoreOverrideCursor()-call... mouseReleaseEvent( NULL ); captionMenu contextMenu( model()->displayName() ); addDefaultActions( &contextMenu ); contextMenu.exec( QCursor::pos() ); } void lcdSpinBox::mousePressEvent( QMouseEvent * _me ) { if( _me->button() == Qt::LeftButton && ! ( _me->modifiers() & Qt::ControlModifier ) && _me->y() < m_cellHeight + 2 ) { m_origMousePos = _me->globalPos(); QApplication::setOverrideCursor( Qt::BlankCursor ); model()->prepareJournalEntryFromOldVal(); } else { IntModelView::mousePressEvent( _me ); } } void lcdSpinBox::mouseMoveEvent( QMouseEvent * _me ) { if( _me->buttons() & Qt::LeftButton ) { int dy = _me->globalY() - m_origMousePos.y(); if( dy > 1 || dy < -1 ) { model()->setInitValue( model()->value() - dy / 2 * model()->step() ); emit manualChange(); QCursor::setPos( m_origMousePos ); } } } void lcdSpinBox::mouseReleaseEvent( QMouseEvent * _me ) { model()->addJournalEntryFromOldToCurVal(); QCursor::setPos( m_origMousePos ); QApplication::restoreOverrideCursor(); } void lcdSpinBox::wheelEvent( QWheelEvent * _we ) { _we->accept(); model()->setInitValue( model()->value() + ( ( _we->delta() > 0 ) ? 1 : -1 ) * model()->step() ); emit manualChange(); } #include "moc_lcd_spinbox.cxx"