WSJT-X/signalmeter.cpp
Joe Taylor 61f023ddd1 Most of these changes are thanks to G4WJS. Audio I/O is now done using
Qt's built-in QAudio calls rather than PortAudio.  Also includes some
refactoring of the arrangement for these calls, and more use of C++ style.


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3523 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-08-05 13:57:55 +00:00

54 lines
1.1 KiB
C++

// Simple bargraph dB meter
// Implemented by Edson Pereira PY2SDR
//
// Limits and geometry are hardcded for now.
#include "signalmeter.h"
SignalMeter::SignalMeter(QWidget *parent) :
QWidget(parent)
{
resize(parent->size());
m_meter = new MeterWidget(this);
m_meter->setGeometry(10, 10, 10, 120);
m_label = new QLabel(this);
m_label->setGeometry(10, 135, 20, 20);
QLabel *dbLabel = new QLabel(this);
dbLabel->setText("dB");
dbLabel->setGeometry(30, 135, 20, 20);
}
SignalMeter::~SignalMeter()
{
}
void SignalMeter::paintEvent( QPaintEvent * )
{
QPainter p;
p.begin(this);
p.drawLine(22, 10, 22, 130);
for ( int i = 0; i <= 60; i += 10 ) {
p.drawLine(22, i*2 + 10, 25, i*2 + 10);
}
for ( int i = 10; i < 60; i += 10 ) {
p.drawText(30, i*2 + 15, QString::number(60 - i));
}
}
void SignalMeter::setValue(int value)
{
m_meter->setValue(value);
m_label->setText(QString::number(value));
}
void SignalMeter::resizeEvent(QResizeEvent *s)
{
resize(s->size());
}