Text cleanup to amend lacking consistency

- Removed the "Visible:" header on the column selector.  It doesn't
  have to be there, and it's not in the similar equipment column selector
- PO2 --> pO₂ (and others)
- Use same initial case in the units selector in preferences

Signed-off-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/divelistview.cpp

@@ -365,8 +365,6 @@ void DiveListView::reloadHeaderActions()
 	// Populate the context menu of the headers that will show
 	// the menu to show / hide columns.
 	if (!header()->actions().size()) {
-		QAction *visibleAction = new QAction(tr("Visible:"), header());
-		header()->addAction(visibleAction);
 		QSettings s;
 		s.beginGroup("DiveListColumnState");
 		for(int i = 0; i < model()->columnCount(); i++) {

qt-ui/models.cpp

@@ -63,7 +63,7 @@ void CleanerTableModel::setHeaderDataStrings(const QStringList& newHeaders)
 CylindersModel::CylindersModel(QObject* parent): current(0), rows(0)
 {
 	//	enum{REMOVE, TYPE, SIZE, WORKINGPRESS, START, END, O2, HE, DEPTH};
-	setHeaderDataStrings( QStringList() <<  "" << tr("Type") << tr("Size") << tr("WorkPress") << tr("StartPress") << tr("EndPress") <<  tr("O2%") << tr("He%") << tr("Switch at"));
+	setHeaderDataStrings( QStringList() <<  "" << tr("Type") << tr("Size") << tr("WorkPress") << tr("StartPress") << tr("EndPress") <<  trUtf8("O" UTF8_SUBSCRIPT_2 "%") << tr("He%") << tr("Switch at"));
 }
 
 CylindersModel *CylindersModel::instance()

qt-ui/preferences.ui

@@ -301,7 +301,7 @@
             <item row="0" column="1">
              <widget class="QRadioButton" name="meter">
               <property name="text">
-               <string>Meter</string>
+	       <string>meter</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup</string>
@@ -311,7 +311,7 @@
             <item row="0" column="2">
              <widget class="QRadioButton" name="feet">
               <property name="text">
-               <string>Feet</string>
+	       <string>feet</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup</string>
@@ -328,7 +328,7 @@
             <item row="1" column="1">
              <widget class="QRadioButton" name="bar">
               <property name="text">
-               <string>Bar</string>
+	       <string>bar</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_2</string>
@@ -338,7 +338,7 @@
             <item row="1" column="2">
              <widget class="QRadioButton" name="psi">
               <property name="text">
-               <string>Psi</string>
+	       <string>psi</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_2</string>
@@ -355,7 +355,7 @@
             <item row="2" column="1">
              <widget class="QRadioButton" name="liter">
               <property name="text">
-               <string>Liter</string>
+	       <string>liter</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_3</string>
@@ -365,7 +365,7 @@
             <item row="2" column="2">
              <widget class="QRadioButton" name="cuft">
               <property name="text">
-               <string>CuFt</string>
+	       <string>cu ft</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_3</string>
@@ -382,7 +382,7 @@
             <item row="3" column="1">
              <widget class="QRadioButton" name="celsius">
               <property name="text">
-               <string>Celsius</string>
+	       <string>celsius</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_4</string>
@@ -392,7 +392,7 @@
             <item row="3" column="2">
              <widget class="QRadioButton" name="fahrenheit">
               <property name="text">
-               <string>Fahrenheit</string>
+	       <string>fahrenheit</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_4</string>
@@ -409,7 +409,7 @@
             <item row="4" column="1">
              <widget class="QRadioButton" name="kgs">
               <property name="text">
-               <string>Kg</string>
+	       <string>kg</string>
               </property>
               <attribute name="buttonGroup">
                <string notr="true">buttonGroup_5</string>
@@ -497,7 +497,7 @@
               <item>
                <widget class="QCheckBox" name="po2">
                 <property name="text">
-                 <string>pO2</string>
+		 <string>pO₂</string>
                 </property>
                </widget>
               </item>
@@ -538,7 +538,7 @@
               <item>
                <widget class="QCheckBox" name="pn2">
                 <property name="text">
-                 <string>pN2</string>
+		 <string>pN₂</string>
                 </property>
                </widget>
               </item>
@@ -643,7 +643,7 @@
                  <bool>false</bool>
                 </property>
                 <property name="text">
-                 <string>max PPO2</string>
+		 <string>max ppO₂</string>
                 </property>
                </widget>
               </item>