WSJT-X/displaytext.cpp

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#include "displaytext.h"
#include <QDebug>
#include <QMouseEvent>
#include <QDateTime>
DisplayText::DisplayText(QWidget *parent) :
QTextBrowser(parent)
{
_fontWidth = 8; // typical
_maxDisplayedCharacters = 48; // a nominal safe(?) value
}
void DisplayText::mouseDoubleClickEvent(QMouseEvent *e)
{
bool ctrl = (e->modifiers() & Qt::ControlModifier);
bool shift = (e->modifiers() & Qt::ShiftModifier);
emit(selectCallsign(shift,ctrl));
QTextBrowser::mouseDoubleClickEvent(e);
}
void DisplayText::setFont(QFont font)
{
QFontMetrics qfm(font);
_fontWidth = qfm.averageCharWidth()+1; // the plus one is emperical
QTextBrowser::setFont(font);
}
void DisplayText::resizeEvent(QResizeEvent * event)
{
if (_fontWidth > 0 && _fontWidth < 999)
_maxDisplayedCharacters = width()/_fontWidth;
QTextBrowser::resizeEvent(event);
}
void DisplayText::insertLineSpacer()
{
QString tt="----------------------------------------";
QString bg="#d3d3d3";
_insertText(tt,bg);
}
void DisplayText::_insertText(const QString text, const QString bg)
{
QString tt = text.mid(0,_maxDisplayedCharacters); //truncate to max display chars
QString s = "<table border=0 cellspacing=0 width=100%><tr><td bgcolor=\"" +
bg + "\"><pre>" + tt + "</pre></td></tr></table>";
QTextCursor cursor = textCursor();
cursor.movePosition(QTextCursor::End);
QTextBlockFormat bf = cursor.blockFormat();
bf.setBackground(QBrush(QColor(bg)));
cursor.insertHtml(s);
this->setTextCursor(cursor);
}
void DisplayText::_appendDXCCWorkedB4(/*mod*/DecodedText& t1, QString& bg, /*uses*/LogBook logBook)
{
// extract the CQer's call TODO: does this work with all call formats? What about 'CQ DX'?
int s1 = 4 + t1.indexOf(" CQ ");
int s2 = t1.indexOf(" ",s1);
QString call = t1.mid(s1,s2-s1);
QString countryName;
bool callWorkedBefore;
bool countryWorkedBefore;
logBook.match(/*in*/call,/*out*/countryName,callWorkedBefore,countryWorkedBefore);
int charsAvail = _maxDisplayedCharacters;
// the decoder (seems) to always generate 40 chars. For a normal CQ call, the last five are spaces
// TODO this magic 36 characters is also referenced in MainWindow::doubleClickOnCall()
int s3 = t1.indexOf(" ",35);
if (s3 < 35)
s3 = 35; // we always want at least the characters to position 35
s3 += 1; // convert the index into a character count
t1 = t1.left(s3); // reduce trailing white space
charsAvail -= s3;
if (charsAvail > 4)
{
if (!countryWorkedBefore) // therefore not worked call either
{
t1 += "!";
bg = "#66ff66"; // strong green
}
else
if (!callWorkedBefore) // but have worked the country
{
t1 += "~";
bg = "#76cd76"; // mid green
}
else
{
t1 += " "; // have worked this call before
bg="#9cc79c"; // pale green
}
charsAvail -= 1;
if (countryName.length()>charsAvail)
countryName = countryName.left(1)+"."+countryName.right(charsAvail-2); //abreviate the first word to the first letter, show remaining right most chars
t1 += countryName;
}
}
void DisplayText::displayDecodedText(DecodedText decodedText, QString myCall, bool displayDXCCEntity, LogBook logBook)
{
QString bg="white";
bool CQcall = false;
if (decodedText.indexOf(" CQ ") > 0)
{
CQcall = true;
bg="#66ff66"; //green
}
if (myCall != "" and decodedText.indexOf(" " + myCall + " ") > 0)
bg="#ff6666"; //red
// if enabled add the DXCC entity and B4 status to the end of the preformated text line t1
if (displayDXCCEntity && CQcall)
_appendDXCCWorkedB4(/*mod*/decodedText,bg,logBook);
_insertText(decodedText.string(),bg);
}
void DisplayText::displayTransmittedText(QString text, QString modeTx, qint32 txFreq)
{
QString bg="yellow";
QString t1=" @ ";
if(modeTx=="JT65") t1=" # ";
QString t2;
t2.sprintf("%4d",txFreq);
QString t = QDateTime::currentDateTimeUtc().toString("hhmm") + \
" Tx " + t2 + t1 + text; // The position of the 'Tx' is searched for in DecodedText and in MainWindow. Not sure if thats required anymore? VK3ACF
_insertText(t,bg);
}