From 84a8696f2250d89de1bf9bef292c4abee2b4fcea Mon Sep 17 00:00:00 2001
From: Murray Curtis <vk3acf@littlewoodmansion.com>
Date: Fri, 9 Aug 2013 03:17:04 +0000
Subject: [PATCH] Calc chars available when adding DXCC entity to decoded text
 line

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3539 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 logbook/logbook.cpp | 12 ++++++++++++
 logbook/logbook.h   |  9 +++++++++
 mainwindow.cpp      | 19 ++++++++++++++-----
 3 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/logbook/logbook.cpp b/logbook/logbook.cpp
index 68b52ce5d..952e4bf8d 100644
--- a/logbook/logbook.cpp
+++ b/logbook/logbook.cpp
@@ -1,5 +1,7 @@
 #include "logbook.h"
 #include <QDebug>
+#include <QFontMetrics>
+
 
 void LogBook::init()
 {
@@ -69,3 +71,13 @@ void LogBook::addAsWorked(const QString call)
     if (countryName.length() > 0)
         _worked.setAsWorked(countryName);
 }
+
+
+
+
+void LogBook::setDisplayFont(QFont font)
+{
+  QFontMetrics qfm(font);
+  _fontWidth = qfm.averageCharWidth()+1;  // the plus one is emperical
+}
+
diff --git a/logbook/logbook.h b/logbook/logbook.h
index 223412d11..79b9120e4 100644
--- a/logbook/logbook.h
+++ b/logbook/logbook.h
@@ -8,6 +8,7 @@
 
 
 #include <QString>
+#include <QFont>
 
 #include "countrydat.h"
 #include "countriesworked.h"
@@ -23,6 +24,10 @@ public:
                       bool &countryWorkedBefore);
     void addAsWorked(const QString call);
 
+    // TODO these are just to avoid more globals in mainwindow
+    void setDisplayFont(QFont font);
+    int getMaxDisplayedCharacters(int displayWidth) { return displayWidth/_fontWidth; }  // TODO catch /0
+
 private:
    CountryDat _countries;
    CountriesWorked _worked;
@@ -30,6 +35,10 @@ private:
 
    void _setAlreadyWorkedFromLog();
 
+   int _fontWidth;
+
+
 };
 
 #endif // LOGBOOK_H
+
diff --git a/mainwindow.cpp b/mainwindow.cpp
index d75e96383..70c05679a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -152,6 +152,8 @@ MainWindow::MainWindow(QSharedMemory *shdmem, QString *thekey, \
   font.setWeight(fontWeight2);
   ui->decodedTextBrowser->setFont(font);
   ui->decodedTextBrowser2->setFont(font);
+  m_logBook.setDisplayFont(font);
+
   font=ui->readFreq->font();
   font.setFamily("helvetica");
   font.setPointSize(9);
@@ -1437,7 +1439,12 @@ void MainWindow::readFromStdout()                             //readFromStdout
           bool countryWorkedBefore;
           m_logBook.match(/*in*/call,/*out*/countryName,callWorkedBefore,countryWorkedBefore);
 
-          t1 = t1.left(36);  // reduce trailing white space  TODO: hardcoded char count
+          //TODO this should happen on a resizeEvent
+          int charsAvail = m_logBook.getMaxDisplayedCharacters(ui->decodedTextBrowser->width());
+
+          // the decoder (seems) to always generate 40 chars. For a normal CQ call, the last five are spaces
+          t1 = t1.left(36);  // reduce trailing white space
+          charsAvail -= 36;
 
           if (!countryWorkedBefore) // therefore not worked call either
           {
@@ -1455,14 +1462,16 @@ void MainWindow::readFromStdout()                             //readFromStdout
                   t1 += " ";  // have worked this call before
                   bg="#9cc79c"; // pale green
               }
-          if (countryName.length()>10)  //TODO: hardcoded width. Depends on font and window size/layout
-              countryName = countryName.left(1)+"."+countryName.right(8);  //abreviate the first word to the first letter, show remaining right most chars
+          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;
       }
 
 
       QString s = "<table border=0 cellspacing=0 width=100%><tr><td bgcolor=\"" +
-          bg + "\"><pre>" + t1 + "</pre></td></tr></table>";
+                   bg + "\"><pre>" + t1 + "</pre></td></tr></table>";
       bool b65=t1.indexOf("#")==19;
       if(bQSO) {
         cursor = ui->decodedTextBrowser2->textCursor();
@@ -1479,7 +1488,7 @@ void MainWindow::readFromStdout()                             //readFromStdout
       if(jt9com_.nagain==0) {
         if(m_myCall!="" and t.indexOf(" "+m_myCall+" ")>0) bg="#ff6666"; //red
         QString s = "<table border=0 cellspacing=0 width=100%><tr><td bgcolor=\"" +
-                bg + "\"><pre>" + t1 + "</pre></td></tr></table>";
+                     bg + "\"><pre>" + t1 + "</pre></td></tr></table>";
         cursor = ui->decodedTextBrowser->textCursor();
         cursor.movePosition(QTextCursor::End);
         bf = cursor.blockFormat();