fixed MUSR-105, i.e. better handling of font changes, and adding the possibility to define default font and font size in musrgui_startup.xml

src/musrgui/PAdmin.cpp

@@ -69,7 +69,11 @@ bool PAdminXMLParser::startElement( const QString&, const QString&,
                                        const QString& qName,
                                        const QXmlAttributes& )
 {
-  if (qName == "exec_path") {
+  if (qName == "font_name") {
+    fKeyWord = eFontName;
+  } else if (qName == "font_size") {
+    fKeyWord = eFontSize;
+  } else if (qName == "exec_path") {
     fKeyWord = eExecPath;
   } else if (qName == "default_save_path") {
     fKeyWord = eDefaultSavePath;
@@ -141,9 +145,18 @@ bool PAdminXMLParser::endElement( const QString&, const QString&, const QString
 bool PAdminXMLParser::characters(const QString& str)
 {
   QString help;
-  bool flag;
+  bool flag, ok;
+  int  ival;
 
   switch (fKeyWord) {
+    case eFontName:
+      fAdmin->setFontName(QString(str.ascii()).stripWhiteSpace());
+      break;
+    case eFontSize:
+      ival = QString(str.ascii()).stripWhiteSpace().toInt(&ok);
+      if (ok)
+        fAdmin->setFontSize(ival);
+      break;
     case eExecPath:
       fAdmin->setExecPath(QString(str.ascii()).stripWhiteSpace());
       break;
@@ -301,6 +314,9 @@ QString PAdminXMLParser::expandPath(const QString &str)
  */
 PAdmin::PAdmin()
 {
+  fFontName = QString("Courier"); // default font
+  fFontSize = 11; // default font size
+
   fExecPath = QString("");
   fDefaultSavePath = QString("");
   fMsrDefaultFilePath = QString("");

src/musrgui/PAdmin.h

@@ -57,7 +57,7 @@ class PAdminXMLParser : public QXmlDefaultHandler
     virtual ~PAdminXMLParser() {}
 
   private:
-    enum EAdminKeyWords {eEmpty, eExecPath, eDefaultSavePath, eTitleFromDataFile, eEnableMusrT0,
+    enum EAdminKeyWords {eEmpty, eFontName, eFontSize, eExecPath, eDefaultSavePath, eTitleFromDataFile, eEnableMusrT0,
                          eBeamline, eInstitute, eFileFormat, eLifetimeCorrection, eMsrDefaultFilePath,
                          eHelpMain, eTheoFuncPixmapPath, eFunc, eFuncName, eFuncComment, eFuncLabel,
                          eFuncPixmap, eFuncParams};
@@ -85,6 +85,8 @@ class PAdmin
     PAdmin();
     virtual ~PAdmin() {}
 
+    QString getFontName() { return fFontName; }
+    int     getFontSize() { return fFontSize; }
     QString getExecPath() { return fExecPath; }
     QString getDefaultSavePath() { return fDefaultSavePath; }
     bool    getTitleFromDataFileFlag() { return fTitleFromDataFile; }
@@ -99,6 +101,9 @@ class PAdmin
     unsigned int getTheoryCounts() { return fTheory.size(); }
     PTheory* getTheoryItem(const unsigned int idx);
 
+    void setFontName(const QString str) { fFontName = str; }
+    void setFontSize(const int ival) { fFontSize = ival; }
+
   protected:
     void setExecPath(const QString str) { fExecPath = str; }
     void setDefaultSavePath(const QString str) { fDefaultSavePath = str; }
@@ -116,6 +121,9 @@ class PAdmin
   private:
     friend class PAdminXMLParser;
 
+    QString fFontName;
+    int fFontSize;
+
     QString fExecPath;
     QString fDefaultSavePath;
     QString fMsrDefaultFilePath;

src/musrgui/PTextEdit.cpp

@@ -129,8 +129,8 @@ PTextEdit::PTextEdit( QWidget *parent, const char *name )
   fTabWidget = new QTabWidget( this );
   setCentralWidget( fTabWidget );
 
-  textFamily("Courier");
-  textSize("11"); // 11pt
+  textFamily(fAdmin->getFontName());
+  textSize(QString("%1").arg(fAdmin->getFontSize()));
 
   QImage img(musrfit_xpm);
   QPixmap image0 = img;
@@ -144,6 +144,7 @@ PTextEdit::PTextEdit( QWidget *parent, const char *name )
   }
 
   connect( fTabWidget, SIGNAL( currentChanged(QWidget*) ), this, SLOT( checkIfModified(QWidget*) ));
+  connect( fTabWidget, SIGNAL( currentChanged(QWidget*) ), this, SLOT( applyFontSettings(QWidget*) ));
 }
 
 //----------------------------------------------------------------------------------------------------
@@ -308,7 +309,7 @@ void PTextEdit::setupTextActions()
   fComboFont->insertStringList( db.families() );
   connect( fComboFont, SIGNAL( activated( const QString & ) ),
            this, SLOT( textFamily( const QString & ) ) );
-  fComboFont->lineEdit()->setText( "Courier" );
+  fComboFont->lineEdit()->setText( fAdmin->getFontName() );
 
   fComboSize = new QComboBox( TRUE, tb );
   QValueList<int> sizes = db.standardSizes();
@@ -317,7 +318,7 @@ void PTextEdit::setupTextActions()
     fComboSize->insertItem( QString::number( *it ) );
   connect( fComboSize, SIGNAL( activated( const QString & ) ),
            this, SLOT( textSize( const QString & ) ) );
-  fComboSize->lineEdit()->setText( "11" ); // 11pt font size
+  fComboSize->lineEdit()->setText( QString("%1").arg(fAdmin->getFontSize()) );
 }
 
 //----------------------------------------------------------------------------------------------------
@@ -422,9 +423,9 @@ void PTextEdit::load( const QString &f, const int index )
   PSubTextEdit *edit = new PSubTextEdit( fAdmin );
   edit->setLastModified(info.lastModified());
   edit->setTextFormat( PlainText );
-  edit->setFamily("Courier");
-  edit->setPointSize(11); // 11pt
-  edit->setFont(QFont("Courier", 11));
+  edit->setFamily(fAdmin->getFontName());
+  edit->setPointSize(fAdmin->getFontSize());
+  edit->setFont(QFont(fAdmin->getFontName(), fAdmin->getFontSize()));
 
   if (index == -1)
     fTabWidget->addTab( edit, QFileInfo( f ).fileName() );
@@ -513,8 +514,8 @@ void PTextEdit::fileNew()
 {
   PSubTextEdit *edit = new PSubTextEdit( fAdmin );
   edit->setTextFormat( PlainText );
-  edit->setFamily("Courier");
-  edit->setPointSize(11); // 11pt
+  edit->setFamily(fAdmin->getFontName());
+  edit->setPointSize(fAdmin->getFontSize());
   doConnections( edit );
   fTabWidget->addTab( edit, tr( "noname" ) );
   fTabWidget->showPage( edit );
@@ -1093,8 +1094,11 @@ void PTextEdit::editComment()
  */
 void PTextEdit::textFamily( const QString &f )
 {
+  fAdmin->setFontName(f);
+
   if ( !currentEditor() )
     return;
+
   currentEditor()->setFamily( f );
   currentEditor()->viewport()->setFocus();
 }
@@ -1105,9 +1109,12 @@ void PTextEdit::textFamily( const QString &f )
  */
 void PTextEdit::textSize( const QString &p )
 {
+  fAdmin->setFontSize(p.toInt());
+
   if ( !currentEditor() )
     return;
-  currentEditor()->setPointSize( p.toInt() );
+
+  currentEditor()->setPointSize(p.toInt());
   currentEditor()->viewport()->setFocus();
 }
 
@@ -1843,13 +1850,17 @@ void PTextEdit::helpAboutQt()
  */
 void PTextEdit::fontChanged( const QFont &f )
 {
+  fFontChanging = true;
   currentEditor()->selectAll();
   fComboFont->lineEdit()->setText( f.family() );
   fComboSize->lineEdit()->setText( QString::number( f.pointSize() ) );
   currentEditor()->setFamily( f.family() );
+  currentEditor()->setModified(false);
   currentEditor()->setPointSize( f.pointSize() );
+  currentEditor()->setModified(false);
   currentEditor()->viewport()->setFocus();
   currentEditor()->selectAll(false);
+  fFontChanging = false;
 }
 
 //----------------------------------------------------------------------------------------------------
@@ -1861,6 +1872,9 @@ void PTextEdit::textChanged(const bool forced)
   if (!currentEditor())
     return;
 
+  if (fFontChanging)
+    return;
+
   QString tabLabel = fTabWidget->label(fTabWidget->currentPageIndex());
 
   if ((fTabWidget->label(fTabWidget->currentPageIndex()).find("*") > 0) &&
@@ -1943,6 +1957,16 @@ void PTextEdit::replaceAll()
   currentEditor()->setCursorPosition(currentPara, currentIndex);
 }
 
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+void PTextEdit::applyFontSettings(QWidget*)
+{
+  QFont font(fAdmin->getFontName(), fAdmin->getFontSize());
+  fontChanged(font);
+}
+
 //----------------------------------------------------------------------------------------------------
 /**
  * <p>

src/musrgui/PTextEdit.h

@@ -117,6 +117,7 @@ private slots:
   void replaceAndClose();
   void replaceAll();
 
+  void applyFontSettings(QWidget*);
   void checkIfModified(QWidget*);
 
 private:
@@ -134,6 +135,7 @@ private:
 
   QComboBox *fComboFont;
   QComboBox *fComboSize;
+  bool fFontChanging; ///< flag needed to prevent some textChanged feature to occure when only the font changed
 
   QTabWidget *fTabWidget;
   QMap<PSubTextEdit*, QString> fFilenames;

src/musrgui/musrgui_startup.xml

@@ -11,6 +11,10 @@
     <title_from_data_file>n</title_from_data_file>
     <enable_musrt0>n</enable_musrt0>
   </general>
+  <font_settings>
+    <font_name>Courier</font_name>
+    <font_size>12</font_size>
+  </font_settings>
   <msr_file_defaults>
     <beamline>mue4</beamline>
     <institute>psi</institute>