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			635 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			635 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "displaytext.h"
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#include <vector>
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#include <algorithm>
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#include <QMouseEvent>
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#include <QDateTime>
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#include <QTextCharFormat>
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#include <QTextCursor>
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#include <QTextBlock>
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#include <QMenu>
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#include <QAction>
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#include <QListIterator>
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#include <QRegularExpression>
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#include <QScrollBar>
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#include "Configuration.hpp"
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#include "Network/LotWUsers.hpp"
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#include "models/DecodeHighlightingModel.hpp"
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#include "logbook/logbook.h"
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#include "qt_helpers.hpp"
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#include "moc_displaytext.cpp"
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DisplayText::DisplayText(QWidget *parent)
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  : QTextEdit(parent)
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  , m_config {nullptr}
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  , erase_action_ {new QAction {tr ("&Erase"), this}}
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  , high_volume_ {false}
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  , modified_vertical_scrollbar_max_ {-1}
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{
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  setReadOnly (true);
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  setUndoRedoEnabled (false);
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  viewport ()->setCursor (Qt::ArrowCursor);
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  setWordWrapMode (QTextOption::NoWrap);
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  // max lines to limit heap usage
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  document ()->setMaximumBlockCount (5000);
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  // context menu erase action
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  setContextMenuPolicy (Qt::CustomContextMenu);
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  connect (this, &DisplayText::customContextMenuRequested, [this] (QPoint const& position) {
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      auto * menu = createStandardContextMenu (position);
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      menu->addAction (erase_action_);
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      menu->exec (mapToGlobal (position));
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      delete menu;
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    });
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  connect (erase_action_, &QAction::triggered, this, &DisplayText::erase);
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}
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void DisplayText::erase ()
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{
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  clear ();
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  Q_EMIT erased ();
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}
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void DisplayText::setContentFont(QFont const& font)
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{
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  char_font_ = font;
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  selectAll ();
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  auto cursor = textCursor ();
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  cursor.beginEditBlock ();
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  auto char_format = cursor.charFormat ();
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  char_format.setFont (char_font_);
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  cursor.mergeCharFormat (char_format);
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  cursor.clearSelection ();
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  cursor.movePosition (QTextCursor::End);
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  // position so viewport scrolled to left
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  cursor.movePosition (QTextCursor::Up);
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  cursor.movePosition (QTextCursor::StartOfLine);
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  cursor.endEditBlock ();
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  if (!high_volume_ || !m_config || !m_config->decodes_from_top ())
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    {
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      setTextCursor (cursor);
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      ensureCursorVisible ();
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    }
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}
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void DisplayText::mouseDoubleClickEvent(QMouseEvent *e)
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{
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  Q_EMIT selectCallsign(e->modifiers ());
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}
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void DisplayText::insertLineSpacer(QString const& line)
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{
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  appendText (line, "#d3d3d3");
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}
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namespace
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{
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  using Highlight = DecodeHighlightingModel::Highlight;
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  using highlight_types = std::vector<Highlight>;
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  Highlight set_colours (Configuration const * config, QColor * bg, QColor * fg, highlight_types const& types)
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  {
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    Highlight result = Highlight::CQ;
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    if (config)
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      {
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        QListIterator<DecodeHighlightingModel::HighlightInfo> it {config->decode_highlighting ().items ()};
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        // iterate in reverse to honor priorities
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        it.toBack ();
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        while (it.hasPrevious ())
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          {
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            auto const& item = it.previous ();
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            auto const& type = std::find (types.begin (), types.end (), item.type_);
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            if (type != types.end () && item.enabled_)
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              {
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                if (item.background_.style () != Qt::NoBrush)
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                  {
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                    *bg = item.background_.color ();
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                  }
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                if (item.foreground_.style () != Qt::NoBrush)
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                  {
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                    *fg = item.foreground_.color ();
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                  }
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                result = item.type_;
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              }
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          }
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      }
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    return result;            // highest priority enabled highlighting
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  }
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}
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void DisplayText::appendText(QString const& text, QColor bg, QColor fg
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                             , QString const& call1, QString const& call2)
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{
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  auto cursor = textCursor ();
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  cursor.movePosition (QTextCursor::End);
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  auto block_format = cursor.blockFormat ();
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  auto format = cursor.blockCharFormat ();
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  format.setFont (char_font_);
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  block_format.clearBackground ();
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  if (bg.isValid ())
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    {
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      block_format.setBackground (bg);
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    }
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  format.clearForeground ();
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  if (fg.isValid ())
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    {
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      format.setForeground (fg);
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    }
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  if (cursor.position ())
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    {
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      cursor.insertBlock (block_format, format);
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    }
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  else
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    {
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      cursor.setBlockFormat (block_format);
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      cursor.setBlockCharFormat (format);
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    }
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  int text_index {0};
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  auto temp_format = format;
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  if (call1.size ())
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    {
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      auto call_index = text.indexOf (call1);
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      if (call_index != -1) // sanity check
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        {
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          auto pos = highlighted_calls_.find (call1);
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          if (pos != highlighted_calls_.end ())
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            {
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              cursor.insertText(text.left (call_index));
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              if (pos.value ().first.isValid ())
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                {
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                  temp_format.setBackground (pos.value ().first);
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                }
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              if (pos.value ().second.isValid ())
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                {
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                  temp_format.setForeground (pos.value ().second);
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                }
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              cursor.insertText(text.mid (call_index, call1.size ()), temp_format);
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              text_index = call_index + call1.size ();
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            }
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        }
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    }
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  if (call2.size ())
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    {
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      auto call_index = text.indexOf (call2, text_index);
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      if (call_index != -1) // sanity check
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        {
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          auto pos = highlighted_calls_.find (call2);
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          if (pos != highlighted_calls_.end ())
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            {
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              temp_format = format;
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              cursor.insertText(text.mid (text_index, call_index - text_index), format);
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              if (pos.value ().second.isValid ())
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                {
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                  temp_format.setBackground (pos.value ().first);
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                }
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              if (pos.value ().second.isValid ())
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                {
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                  temp_format.setForeground (pos.value ().second);
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                }
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              cursor.insertText(text.mid (call_index, call2.size ()), temp_format);
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              text_index = call_index + call2.size ();
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            }
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        }
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    }
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  cursor.insertText(text.mid (text_index), format);
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  // position so viewport scrolled to left
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  cursor.movePosition (QTextCursor::StartOfLine);
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  if (!high_volume_ || !m_config || !m_config->decodes_from_top ())
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    {
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      setTextCursor (cursor);
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      ensureCursorVisible ();
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    }
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  document ()->setMaximumBlockCount (document ()->maximumBlockCount ());
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}
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void DisplayText::extend_vertical_scrollbar (int min, int max)
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{
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  if (high_volume_
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      && m_config && m_config->decodes_from_top ())
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    {
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      if (max && max != modified_vertical_scrollbar_max_)
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        {
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          auto vp_margins = viewportMargins ();
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          // add enough to vertical scroll bar range to allow last
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          // decode to just scroll of the top of the view port
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          max += viewport ()->height () - vp_margins.top () - vp_margins.bottom ();
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          modified_vertical_scrollbar_max_ = max;
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        }
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      verticalScrollBar ()->setRange (min, max);
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    }
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}
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void DisplayText::new_period ()
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{
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  extend_vertical_scrollbar (verticalScrollBar ()->minimum (), verticalScrollBar ()->maximum ());
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  if (high_volume_ && m_config && m_config->decodes_from_top () && !vertical_scroll_connection_)
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    {
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      vertical_scroll_connection_ = connect (verticalScrollBar (), &QScrollBar::rangeChanged
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                                             , [this] (int min, int max) {
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                                               extend_vertical_scrollbar (min, max );
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                                             });
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    }
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  verticalScrollBar ()->setSliderPosition (verticalScrollBar ()->maximum ());
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}
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QString DisplayText::appendWorkedB4 (QString message, QString call, QString const& grid,
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                                     QColor * bg, QColor * fg, LogBook const& logBook,
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                                     QString const& currentBand, QString const& currentMode)
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{
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  // allow for seconds
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  int padding {message.indexOf (" ") > 4 ? 2 : 0};
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  QString countryName;
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  bool callB4;
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  bool callB4onBand;
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  bool countryB4;
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  bool countryB4onBand;
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  bool gridB4;
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  bool gridB4onBand;
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  bool continentB4;
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  bool continentB4onBand;
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  bool CQZoneB4;
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  bool CQZoneB4onBand;
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  bool ITUZoneB4;
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  bool ITUZoneB4onBand;
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  if(call.length()==2) {
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    int i0=message.indexOf("CQ "+call);
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    call=message.mid(i0+6,-1);
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    i0=call.indexOf(" ");
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    call=call.mid(0,i0);
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  }
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  if(call.length()<3) return message;
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  if(!call.contains(QRegExp("[0-9]|[A-Z]"))) return message;
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  auto const& looked_up = logBook.countries ()->lookup (call);
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  logBook.match (call, currentMode, grid, looked_up, callB4, countryB4, gridB4, continentB4, CQZoneB4, ITUZoneB4);
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  logBook.match (call, currentMode, grid, looked_up, callB4onBand, countryB4onBand, gridB4onBand,
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                 continentB4onBand, CQZoneB4onBand, ITUZoneB4onBand, currentBand);
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  if(grid=="") {
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    gridB4=true;
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    gridB4onBand=true;
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  }
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  message = message.trimmed ();
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  QString appendage;
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  highlight_types types;
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  // no shortcuts here as some types may be disabled
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  if (!countryB4) {
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    types.push_back (Highlight::DXCC);
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  }
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  if(!countryB4onBand) {
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    types.push_back (Highlight::DXCCBand);
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  }
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  if(!gridB4) {
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    types.push_back (Highlight::Grid);
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  }
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  if(!gridB4onBand) {
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    types.push_back (Highlight::GridBand);
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  }
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  if (!callB4) {
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    types.push_back (Highlight::Call);
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  }
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  if(!callB4onBand) {
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    types.push_back (Highlight::CallBand);
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  }
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  if (!continentB4) {
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    types.push_back (Highlight::Continent);
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  }
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  if(!continentB4onBand) {
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    types.push_back (Highlight::ContinentBand);
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  }
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  if (!CQZoneB4) {
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    types.push_back (Highlight::CQZone);
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  }
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  if(!CQZoneB4onBand) {
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    types.push_back (Highlight::CQZoneBand);
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  }
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  if (!ITUZoneB4) {
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    types.push_back (Highlight::ITUZone);
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  }
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  if(!ITUZoneB4onBand) {
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    types.push_back (Highlight::ITUZoneBand);
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  }
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  if (m_config && m_config->lotw_users ().user (call))
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    {
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      types.push_back (Highlight::LotW);
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    }
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  types.push_back (Highlight::CQ);
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  auto top_highlight = set_colours (m_config, bg, fg, types);
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  switch (top_highlight)
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    {
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    case Highlight::Continent:
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    case Highlight::ContinentBand:
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      appendage = AD1CCty::continent (looked_up.continent);
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      break;
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    case Highlight::CQZone:
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    case Highlight::CQZoneBand:
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      appendage = QString {"CQ Zone %1"}.arg (looked_up.CQ_zone);
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      break;
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    case Highlight::ITUZone:
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    case Highlight::ITUZoneBand:
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      appendage = QString {"ITU Zone %1"}.arg (looked_up.ITU_zone);
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      break;
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    default:
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      if (m_bPrincipalPrefix)
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        {
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          appendage = looked_up.primary_prefix;
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        }
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      else
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        {
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          auto countryName = looked_up.entity_name;
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          // do some obvious abbreviations
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          countryName.replace ("Islands", "Is.");
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          countryName.replace ("Island", "Is.");
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          countryName.replace ("North ", "N. ");
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          countryName.replace ("Northern ", "N. ");
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          countryName.replace ("South ", "S. ");
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          countryName.replace ("East ", "E. ");
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          countryName.replace ("Eastern ", "E. ");
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          countryName.replace ("West ", "W. ");
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          countryName.replace ("Western ", "W. ");
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          countryName.replace ("Central ", "C. ");
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          countryName.replace (" and ", " & ");
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          countryName.replace ("Republic", "Rep.");
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          countryName.replace ("United States", "U.S.A.");
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          countryName.replace ("Fed. Rep. of ", "");
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          countryName.replace ("French ", "Fr.");
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          countryName.replace ("Asiatic", "AS");
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          countryName.replace ("European", "EU");
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          countryName.replace ("African", "AF");
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          appendage += countryName;
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        }
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    }
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    m_CQPriority=DecodeHighlightingModel::highlight_name(top_highlight);
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  // use a nbsp to save the start of appended text so we can find
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  // it again later, align appended data at a fixed column if
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  // there is space otherwise let it float to the right
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  int space_count {40 + padding - message.size ()};
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  if (space_count > 0) {
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    message += QString {space_count, QChar {' '}};
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  }
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  message += QChar::Nbsp + appendage;
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  return message;
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}
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void DisplayText::displayDecodedText(DecodedText const& decodedText, QString const& myCall,
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                                     QString const& mode,
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                                     bool displayDXCCEntity, LogBook const& logBook,
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                                     QString const& currentBand, bool ppfx, bool bCQonly)
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{
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  m_bPrincipalPrefix=ppfx;
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  QColor bg;
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  QColor fg;
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  bool CQcall = false;
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  if (decodedText.string ().contains (" CQ ")
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      || decodedText.string ().contains (" CQDX ")
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      || decodedText.string ().contains (" QRZ "))
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    {
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      CQcall = true;
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    }
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  else
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    {
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      if (bCQonly) return;
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      if (myCall != "" && (decodedText.indexOf (" " + myCall + " ") >= 0
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                           or decodedText.indexOf (" " + myCall + "/") >= 0
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                           or decodedText.indexOf ("<" + myCall + "/") >= 0
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                           or decodedText.indexOf ("/" + myCall + " ") >= 0
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                           or decodedText.indexOf ("/" + myCall + ">") >= 0
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                           or decodedText.indexOf ("<" + myCall + " ") >= 0
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                           or decodedText.indexOf ("<" + myCall + ">") >= 0
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                           or decodedText.indexOf (" " + myCall + ">") >= 0)) {
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        highlight_types types {Highlight::MyCall};
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        set_colours (m_config, &bg, &fg, types);
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      }
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    }
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  auto message = decodedText.string();
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  QString dxCall;
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  QString dxGrid;
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  decodedText.deCallAndGrid (/*out*/ dxCall, dxGrid);
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  QRegularExpression grid_regexp {"\\A(?![Rr]{2}73)[A-Ra-r]{2}[0-9]{2}([A-Xa-x]{2}){0,1}\\z"};
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  if(!dxGrid.contains(grid_regexp)) dxGrid="";
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  message = message.left (message.indexOf (QChar::Nbsp)); // strip appended info
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  m_CQPriority="";
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  if (CQcall)
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    {
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      if (displayDXCCEntity)
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        {
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          // if enabled add the DXCC entity and B4 status to the end of the
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          // preformated text line t1
 | 
						|
          auto currentMode = mode;
 | 
						|
          if ("JT9+JT65" == mode)
 | 
						|
            {
 | 
						|
              currentMode = decodedText.isJT65 () ? "JT65" : "JT9";
 | 
						|
            }
 | 
						|
          message = appendWorkedB4 (message, decodedText.CQersCall(), dxGrid, &bg, &fg
 | 
						|
                                    , logBook, currentBand, currentMode);
 | 
						|
        }
 | 
						|
      else
 | 
						|
        {
 | 
						|
          highlight_types types {Highlight::CQ};
 | 
						|
          if (m_config && m_config->lotw_users ().user (decodedText.CQersCall()))
 | 
						|
            {
 | 
						|
              types.push_back (Highlight::LotW);
 | 
						|
            }
 | 
						|
          set_colours (m_config, &bg, &fg, types);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
  appendText (message.trimmed (), bg, fg, decodedText.call (), dxCall);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
void DisplayText::displayTransmittedText(QString text, QString modeTx, qint32 txFreq,
 | 
						|
                                         bool bFastMode, double TRperiod)
 | 
						|
{
 | 
						|
    QString t1=" @  ";
 | 
						|
    if(modeTx=="FT4") t1=" +  ";
 | 
						|
    if(modeTx=="FT8") t1=" ~  ";
 | 
						|
    if(modeTx=="JT4") t1=" $  ";
 | 
						|
    if(modeTx=="JT65") t1=" #  ";
 | 
						|
    if(modeTx=="MSK144") t1=" &  ";
 | 
						|
    if(modeTx=="FST240") t1=" `  ";
 | 
						|
    QString t2;
 | 
						|
    t2 = t2.asprintf("%4d",txFreq);
 | 
						|
    QString t;
 | 
						|
    if(bFastMode or modeTx=="FT8" or modeTx=="FT4" or (TRperiod<60)) {
 | 
						|
      t = QDateTime::currentDateTimeUtc().toString("hhmmss") + \
 | 
						|
        "  Tx      " + t2 + t1 + text;
 | 
						|
    } else if(modeTx.mid(0,6)=="FT8fox") {
 | 
						|
      t = QDateTime::currentDateTimeUtc().toString("hhmmss") + \
 | 
						|
        " Tx" + modeTx.mid(7) + " " + text;
 | 
						|
    } else {
 | 
						|
      t = QDateTime::currentDateTimeUtc().toString("hhmm") + \
 | 
						|
        "  Tx      " + t2 + t1 + text;
 | 
						|
    }
 | 
						|
    QColor bg;
 | 
						|
    QColor fg;
 | 
						|
    highlight_types types {Highlight::Tx};
 | 
						|
    set_colours (m_config, &bg, &fg, types);
 | 
						|
    appendText (t, bg, fg);
 | 
						|
}
 | 
						|
 | 
						|
void DisplayText::displayQSY(QString text)
 | 
						|
{
 | 
						|
  QString t = QDateTime::currentDateTimeUtc().toString("hhmmss") + "            " + text;
 | 
						|
  appendText (t, "hotpink");
 | 
						|
}
 | 
						|
 | 
						|
void DisplayText::displayFoxToBeCalled(QString t, QColor bg, QColor fg)
 | 
						|
{
 | 
						|
  appendText (t, bg, fg);
 | 
						|
}
 | 
						|
 | 
						|
namespace
 | 
						|
{
 | 
						|
  void update_selection (QTextCursor& cursor, QColor const& bg, QColor const& fg)
 | 
						|
  {
 | 
						|
    QTextCharFormat format {cursor.charFormat ()};
 | 
						|
    if (bg.isValid ())
 | 
						|
      {
 | 
						|
        format.setBackground (bg);
 | 
						|
      }
 | 
						|
    else
 | 
						|
      {
 | 
						|
        format.clearBackground ();
 | 
						|
      }
 | 
						|
    if (fg.isValid ())
 | 
						|
      {
 | 
						|
        format.setForeground (fg);
 | 
						|
      }
 | 
						|
    else
 | 
						|
      {
 | 
						|
        format.clearForeground ();
 | 
						|
      }
 | 
						|
    cursor.mergeCharFormat (format);
 | 
						|
  }
 | 
						|
 | 
						|
  void reset_selection (QTextCursor& cursor)
 | 
						|
  {
 | 
						|
    // restore previous text format, we rely on the text
 | 
						|
    // char format at he start of the selection being the
 | 
						|
    // old one which should be the case
 | 
						|
    auto c2 = cursor;
 | 
						|
    c2.setPosition (c2.selectionStart ());
 | 
						|
    cursor.setCharFormat (c2.charFormat ());
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
namespace
 | 
						|
{
 | 
						|
  QString get_timestamp (QTextCursor& cursor)
 | 
						|
  {
 | 
						|
    QString timestamp;
 | 
						|
    if (cursor.movePosition (QTextCursor::PreviousCharacter)
 | 
						|
        && cursor.movePosition (QTextCursor::StartOfLine)
 | 
						|
        && cursor.movePosition (QTextCursor::EndOfWord, QTextCursor::KeepAnchor)
 | 
						|
        && cursor.hasSelection ())
 | 
						|
      {
 | 
						|
        timestamp = cursor.selectedText ();
 | 
						|
        cursor.movePosition (QTextCursor::StartOfLine);
 | 
						|
      }
 | 
						|
    return timestamp;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
void DisplayText::highlight_callsign (QString const& callsign, QColor const& bg,
 | 
						|
                                      QColor const& fg, bool last_period_only)
 | 
						|
{
 | 
						|
  if (!callsign.size ())
 | 
						|
    {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
  auto regexp = callsign;
 | 
						|
  // allow for hashed callsigns and escape any regexp metacharacters
 | 
						|
  QRegularExpression target {QString {"<?"}
 | 
						|
                             + regexp.replace (QLatin1Char {'+'}, QLatin1String {"\\+"})
 | 
						|
                                 .replace (QLatin1Char {'.'}, QLatin1String {"\\."})
 | 
						|
                                 .replace (QLatin1Char {'?'}, QLatin1String {"\\?"})
 | 
						|
                             + QString {">?"}
 | 
						|
                             , QRegularExpression::DontCaptureOption};
 | 
						|
  QTextCharFormat old_format {currentCharFormat ()};
 | 
						|
  QTextCursor cursor {document ()};
 | 
						|
  if (last_period_only)
 | 
						|
    {
 | 
						|
      // highlight each instance of the given callsign (word) in the
 | 
						|
      // current period
 | 
						|
      cursor.movePosition (QTextCursor::End);
 | 
						|
      QTextCursor period_start {cursor};
 | 
						|
      QTextCursor prior {cursor};
 | 
						|
      auto period_timestamp = get_timestamp (period_start);
 | 
						|
      while (period_timestamp.size () && period_timestamp == get_timestamp (prior))
 | 
						|
        {
 | 
						|
          period_start = prior;
 | 
						|
        }
 | 
						|
      cursor = period_start;
 | 
						|
      while (!cursor.isNull ())
 | 
						|
        {
 | 
						|
          cursor = document ()->find (target, cursor, QTextDocument::FindWholeWords);
 | 
						|
          if (!cursor.isNull () && cursor.hasSelection ())
 | 
						|
            {
 | 
						|
              if (bg.isValid () || fg.isValid ())
 | 
						|
                {
 | 
						|
                  update_selection (cursor, bg, fg);
 | 
						|
                }
 | 
						|
              else
 | 
						|
                {
 | 
						|
                  reset_selection (cursor);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      auto pos = highlighted_calls_.find (callsign);
 | 
						|
      if (bg.isValid () || fg.isValid ())
 | 
						|
        {
 | 
						|
          auto colours = qMakePair (bg, fg);
 | 
						|
          if (pos == highlighted_calls_.end ())
 | 
						|
            {
 | 
						|
              pos = highlighted_calls_.insert (callsign.toUpper (), colours);
 | 
						|
            }
 | 
						|
          else
 | 
						|
            {
 | 
						|
              pos.value () = colours; // update colours
 | 
						|
            }
 | 
						|
          while (!cursor.isNull ())
 | 
						|
            {
 | 
						|
              cursor = document ()->find (target, cursor, QTextDocument::FindWholeWords);
 | 
						|
              if (!cursor.isNull () && cursor.hasSelection ())
 | 
						|
                {
 | 
						|
                  update_selection (cursor, bg, fg);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
      else
 | 
						|
        {
 | 
						|
          if (pos != highlighted_calls_.end ())
 | 
						|
            {
 | 
						|
              highlighted_calls_.erase (pos);
 | 
						|
            }
 | 
						|
          QTextCursor cursor {document ()};
 | 
						|
          while (!cursor.isNull ())
 | 
						|
            {
 | 
						|
              cursor = document ()->find (target, cursor, QTextDocument::FindWholeWords);
 | 
						|
              if (!cursor.isNull () && cursor.hasSelection ())
 | 
						|
                {
 | 
						|
                  reset_selection (cursor);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
  setCurrentCharFormat (old_format);
 | 
						|
}
 |