WSJT-X/displaytext.cpp
Bill Somerville e7be718b8d Add button to the decoded text window context menu to erase the contents
Right-click  either decoded  text window  to erase  its contents.  The
"Erase" button on the main UI  still operates as before although it is
implemented differently now.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8090 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-09-16 20:27:33 +00:00

245 lines
7.5 KiB
C++

#include "displaytext.h"
#include <QMouseEvent>
#include <QDateTime>
#include <QTextCharFormat>
#include <QTextCursor>
#include <QTextBlock>
#include <QMenu>
#include <QAction>
#include "qt_helpers.hpp"
#include "moc_displaytext.cpp"
DisplayText::DisplayText(QWidget *parent)
: QTextEdit(parent)
, erase_action_ {new QAction {tr ("&Erase"), this}}
{
setReadOnly (true);
viewport ()->setCursor (Qt::ArrowCursor);
setWordWrapMode (QTextOption::NoWrap);
// max lines to limit heap usage
document ()->setMaximumBlockCount (5000);
// context menu erase action
setContextMenuPolicy (Qt::CustomContextMenu);
connect (this, &DisplayText::customContextMenuRequested, [this] (QPoint const& position) {
auto * menu = createStandardContextMenu (position);
menu->addAction (erase_action_);
menu->exec (mapToGlobal (position));
delete menu;
});
connect (erase_action_, &QAction::triggered, this, &DisplayText::erase);
}
void DisplayText::erase ()
{
clear ();
Q_EMIT erased ();
}
void DisplayText::setContentFont(QFont const& font)
{
char_font_ = font;
selectAll ();
auto cursor = textCursor ();
cursor.beginEditBlock ();
auto char_format = cursor.charFormat ();
char_format.setFont (char_font_);
cursor.mergeCharFormat (char_format);
cursor.clearSelection ();
cursor.movePosition (QTextCursor::End);
// position so viewport scrolled to left
cursor.movePosition (QTextCursor::Up);
cursor.movePosition (QTextCursor::StartOfLine);
cursor.endEditBlock ();
setTextCursor (cursor);
ensureCursorVisible ();
}
void DisplayText::mouseDoubleClickEvent(QMouseEvent *e)
{
bool ctrl = (e->modifiers() & Qt::ControlModifier);
bool alt = (e->modifiers() & Qt::AltModifier);
emit(selectCallsign(alt,ctrl));
QTextEdit::mouseDoubleClickEvent(e);
}
void DisplayText::insertLineSpacer(QString const& line)
{
appendText (line, "#d3d3d3");
}
void DisplayText::appendText(QString const& text, QColor bg)
{
auto cursor = textCursor ();
cursor.movePosition (QTextCursor::End);
auto block_format = cursor.blockFormat ();
block_format.setBackground (bg);
if (0 == cursor.position ())
{
cursor.setBlockFormat (block_format);
auto char_format = cursor.charFormat ();
char_format.setFont (char_font_);
cursor.setCharFormat (char_format);
}
else
{
cursor.insertBlock (block_format);
}
cursor.insertText (text);
// position so viewport scrolled to left
cursor.movePosition (QTextCursor::StartOfLine);
setTextCursor (cursor);
ensureCursorVisible ();
document ()->setMaximumBlockCount (document ()->maximumBlockCount ());
}
QString DisplayText::appendDXCCWorkedB4(QString message, QString const& callsign, QColor * bg,
LogBook const& logBook, QColor color_CQ,
QColor color_DXCC,
QColor color_NewCall)
{
// allow for seconds
unsigned padding {message.indexOf (" ") > 4 ? 2U : 0U};
QString call = callsign;
QString countryName;
bool callWorkedBefore;
bool countryWorkedBefore;
if(call.length()==2) {
int i0=message.indexOf("CQ "+call);
call=message.mid(i0+6,-1);
i0=call.indexOf(" ");
call=call.mid(0,i0);
}
if(call.length()<3) return message;
if(!call.contains(QRegExp("[0-9]|[A-Z]"))) return message;
logBook.match(/*in*/call,/*out*/countryName,callWorkedBefore,countryWorkedBefore);
int charsAvail = 52 + padding;
// the decoder (seems) to always generate 41 chars. For a normal CQ
// call, the last five are spaces
//
// A maximum length call is "QRZ VP2X/GM4WJS IO91" "CQ AA ..." or CQ
// nnn ..." don't allow grid squares so are not longer. Here we align
// the added info at least after the longest CQ/QRZ message plus one
// space so that it can be stripped off algorithmically later.
//
int nmin = 46 + padding;
int s3 = message.indexOf (" ", nmin);
if (s3 < nmin) s3 = nmin; // always want at least the characters to position 45
s3 += 1; // convert the index into a character count
message = message.left(s3); // reduce trailing white space
charsAvail -= s3;
if (charsAvail > 4)
{
if (!countryWorkedBefore) // therefore not worked call either
{
message += "!";
*bg = color_DXCC;
}
else
if (!callWorkedBefore) // but have worked the country
{
message += "~";
*bg = color_NewCall;
}
else
{
message += " "; // have worked this call before
*bg = color_CQ;
}
charsAvail -= 1;
// do some obvious abbreviations
countryName.replace ("Islands", "Is.");
countryName.replace ("Island", "Is.");
countryName.replace ("North ", "N. ");
countryName.replace ("Northern ", "N. ");
countryName.replace ("South ", "S. ");
countryName.replace ("East ", "E. ");
countryName.replace ("Eastern ", "E. ");
countryName.replace ("West ", "W. ");
countryName.replace ("Western ", "W. ");
countryName.replace ("Central ", "C. ");
countryName.replace (" and ", " & ");
countryName.replace ("Republic", "Rep.");
countryName.replace ("United States", "U.S.A.");
countryName.replace ("Fed. Rep. of ", "");
countryName.replace ("French ", "Fr.");
countryName.replace ("Asiatic", "AS");
countryName.replace ("European", "EU");
countryName.replace ("African", "AF");
message += countryName;
}
return message;
}
void DisplayText::displayDecodedText(DecodedText const& decodedText, QString const& myCall,
bool displayDXCCEntity, LogBook const& logBook,
QColor color_CQ, QColor color_MyCall,
QColor color_DXCC, QColor color_NewCall)
{
QColor bg {Qt::white};
bool CQcall = false;
if (decodedText.string ().contains (" CQ ")
|| decodedText.string ().contains (" CQDX ")
|| decodedText.string ().contains (" QRZ "))
{
CQcall = true;
bg = color_CQ;
}
if (myCall != "" and (
decodedText.indexOf (" " + myCall + " ") >= 0
or decodedText.indexOf (" " + myCall + "/") >= 0
or decodedText.indexOf ("/" + myCall + " ") >= 0
or decodedText.indexOf ("<" + myCall + " ") >= 0
or decodedText.indexOf (" " + myCall + ">") >= 0)) {
bg = color_MyCall;
}
// if enabled add the DXCC entity and B4 status to the end of the
// preformated text line t1
auto message = decodedText.string ();
if (displayDXCCEntity && CQcall)
message = appendDXCCWorkedB4 (message, decodedText.CQersCall (), &bg, logBook, color_CQ,
color_DXCC, color_NewCall);
appendText (message, bg);
}
void DisplayText::displayTransmittedText(QString text, QString modeTx, qint32 txFreq,
QColor color_TxMsg, bool bFastMode)
{
QString t1=" @ ";
if(modeTx=="FT8") t1=" ~ ";
if(modeTx=="JT4") t1=" $ ";
if(modeTx=="JT65") t1=" # ";
if(modeTx=="MSK144") t1=" & ";
QString t2;
t2.sprintf("%4d",txFreq);
QString t;
if(bFastMode or modeTx=="FT8") {
t = QDateTime::currentDateTimeUtc().toString("hhmmss") + \
" Tx " + t2 + t1 + text;
} else {
t = QDateTime::currentDateTimeUtc().toString("hhmm") + \
" Tx " + t2 + t1 + text;
}
appendText (t, color_TxMsg);
}
void DisplayText::displayQSY(QString text)
{
QString t = QDateTime::currentDateTimeUtc().toString("hhmmss") + " " + text;
appendText (t, "hotpink");
}