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Initial import of CVS-v2_8_branch

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Fred Gleason
2014-08-12 15:13:02 -04:00
commit afd67c7af8
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lib/rdplaymeter.cpp Normal file
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// rdplaymeter.cpp
//
// This implements a widget that represents a stereo audio level meter,
// complete with labels and scale.
//
// (C) Copyright 2002-2003 Fred Gleason <fredg@paravelsystems.com>
//
// $Id: rdplaymeter.cpp,v 1.3 2010/07/29 19:32:33 cvs Exp $
//
// This program 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 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; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <qwidget.h>
#include <qstring.h>
#include <qfont.h>
#include <qfontmetrics.h>
#include <qcolor.h>
#include <qpainter.h>
#include <qpushbutton.h>
#include <qsize.h>
#include <stdio.h>
#include <qslider.h>
#include <qbuttongroup.h>
#include <qsizepolicy.h>
#include <qmessagebox.h>
#include <rdplaymeter.h>
RDPlayMeter::RDPlayMeter(RDSegMeter::Orientation orient,QWidget *parent,const char *name)
: QWidget(parent,name)
{
meter_label=QString("");
setBackgroundColor(black);
orientation=orient;
makeFont();
meter=new RDSegMeter(orientation,this,"meter");
meter->setSegmentSize(5);
meter->setSegmentGap(1);
}
QSize RDPlayMeter::sizeHint() const
{
if(meter_label==QString("")) {
return QSize(335,60);
}
else {
return QSize(335,80);
}
}
QSizePolicy RDPlayMeter::sizePolicy() const
{
return QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
}
void RDPlayMeter::setRange(int min,int max)
{
meter->setRange(min,max);
}
void RDPlayMeter::setDarkLowColor(QColor color)
{
meter->setDarkLowColor(color);
}
void RDPlayMeter::setDarkHighColor(QColor color)
{
meter->setDarkHighColor(color);
}
void RDPlayMeter::setDarkClipColor(QColor color)
{
meter->setDarkClipColor(color);
}
void RDPlayMeter::setLowColor(QColor color)
{
meter->setLowColor(color);
}
void RDPlayMeter::setHighColor(QColor color)
{
meter->setHighColor(color);
}
void RDPlayMeter::setClipColor(QColor color)
{
meter->setClipColor(color);
}
void RDPlayMeter::setHighThreshold(int level)
{
meter->setHighThreshold(level);
}
void RDPlayMeter::setClipThreshold(int level)
{
meter->setClipThreshold(level);
}
void RDPlayMeter::setLabel(QString label)
{
meter_label=label;
makeFont();
setGeometry(geometry().left(),geometry().top(),
geometry().width(),geometry().height());
}
void RDPlayMeter::setGeometry(int x,int y,int w,int h)
{
QWidget::setGeometry(x,y,w,h);
if(meter_label.isEmpty()) {
meter->setGeometry(2,2,w-4,h-4);
}
else {
switch(orientation) {
case RDSegMeter::Left:
meter->setGeometry(2,2,w-4-h,h-4);
label_font=QFont("helvetica",height()-2,QFont::Bold);
label_font.setPixelSize(height()-2);
break;
case RDSegMeter::Right:
meter->setGeometry(2+h,2,w-4-h,h-4);
label_font=QFont("helvetica",height()-2,QFont::Bold);
label_font.setPixelSize(height()-2);
break;
case RDSegMeter::Up:
meter->setGeometry(2,2,w-4,h-4-w);
label_font=QFont("helvetica",width()-2,QFont::Bold);
label_font.setPixelSize(width()-2);
break;
case RDSegMeter::Down:
meter->setGeometry(2,2+width(),w-4,h-4-w);
label_font=QFont("helvetica",width()-2,QFont::Bold);
label_font.setPixelSize(width()-2);
break;
}
makeFont();
}
}
void RDPlayMeter::setGeometry(QRect &rect)
{
setGeometry(rect.left(),rect.top(),rect.width(),rect.height());
}
void RDPlayMeter::setSolidBar(int level)
{
meter->setSolidBar(level);
}
void RDPlayMeter::setPeakBar(int level)
{
meter->setPeakBar(level);
}
void RDPlayMeter::setFloatingBar(int level)
{
meter->setFloatingBar(level);
}
void RDPlayMeter::setSegmentSize(int size)
{
meter->setSegmentSize(size);
}
void RDPlayMeter::setSegmentGap(int gap)
{
meter->setSegmentGap(gap);
}
RDSegMeter::Mode RDPlayMeter::mode() const
{
return meter->mode();
}
void RDPlayMeter::setMode(RDSegMeter::Mode mode)
{
meter->setMode(mode);
}
void RDPlayMeter::paintEvent(QPaintEvent *paintEvent)
{
//
// Setup
//
QPainter *p=new QPainter(this);
p->setFont(label_font);
p->setPen(white);
if(!meter_label.isEmpty()) {
switch(orientation) {
case RDSegMeter::Left:
p->drawText(width()-height()+meter_label_x,height()-2,meter_label);
break;
case RDSegMeter::Right:
p->drawText(meter_label_x,height()-2,meter_label);
break;
case RDSegMeter::Up:
p->drawText(meter_label_x,height()-3,meter_label);
break;
case RDSegMeter::Down:
p->drawText(meter_label_x,width()-1,meter_label);
break;
}
}
p->end();
}
void RDPlayMeter::makeFont()
{
switch(orientation) {
case RDSegMeter::Left:
label_font=QFont("helvetica",height()-2,QFont::Bold);
label_font.setPixelSize(height()-2);
meter_label_x=(height()-QFontMetrics(label_font).
width(meter_label))/2;
break;
case RDSegMeter::Right:
label_font=QFont("helvetica",height()-2,QFont::Bold);
label_font.setPixelSize(height()-2);
meter_label_x=(height()-QFontMetrics(label_font).
width(meter_label))/2;
break;
case RDSegMeter::Up:
label_font=QFont("helvetica",width()-2,QFont::Bold);
label_font.setPixelSize(width()-2);
meter_label_x=(width()-QFontMetrics(label_font).
width(meter_label))/2;
break;
case RDSegMeter::Down:
label_font=QFont("helvetica",width()-2,QFont::Bold);
label_font.setPixelSize(width()-2);
meter_label_x=(width()-QFontMetrics(label_font).
width(meter_label))/2;
break;
}
}