Revert "Make cycle time optional"

This reverts commit 3048e4dbc6.
Without a CT line vbit2 defaults to 1 cycle which could be too fast on
magazines with very few pages.

levelonepage.cpp

@@ -64,7 +64,6 @@ void LevelOnePage::clearPage()
 		m_fastTextLink[i] = { 0x0ff, 0x3f7f };
 
 /*	m_subPageNumber = 0x0000; */
-	m_cycleOn = false;
 	m_cycleValue = 20;
 	m_cycleType = CTseconds;
 	m_defaultCharSet = 0;
@@ -342,7 +341,6 @@ bool LevelOnePage::setControlBit(int bitNumber, bool active)
 }
 
 /* void LevelOnePage::setSubPageNumber(int newSubPageNumber) { m_subPageNumber = newSubPageNumber; } */
-void LevelOnePage::setCycleOn(int cycleOn) { m_cycleOn = cycleOn; };
 void LevelOnePage::setCycleValue(int newValue) { m_cycleValue = newValue; };
 void LevelOnePage::setCycleType(CycleTypeEnum newType) { m_cycleType = newType; }
 void LevelOnePage::setDefaultCharSet(int newDefaultCharSet) { m_defaultCharSet = newDefaultCharSet; }

levelonepage.h

@@ -55,8 +55,6 @@ public:
 	int maxEnhancements() const { return 208; };
 
 /*	void setSubPageNumber(int); */
-	int cycleOn() const { return m_cycleOn; };
-	void setCycleOn(int cycleOn);
 	int cycleValue() const { return m_cycleValue; };
 	void setCycleValue(int newValue);
 	CycleTypeEnum cycleType() const { return m_cycleType; };
@@ -109,7 +107,6 @@ public:
 private:
 	unsigned char m_level1Page[25][40];
 /*	int m_subPageNumber; */
-	bool m_cycleOn;
 	int m_cycleValue;
 	CycleTypeEnum m_cycleType;
 	int m_defaultCharSet, m_defaultNOS, m_secondCharSet, m_secondNOS;

loadsave.cpp

@@ -35,6 +35,9 @@ void loadTTI(QFile *inFile, TeletextDocument *document)
 {
 	QByteArray inLine;
 	bool firstSubPageAlreadyFound = false;
+	int cycleCommandsFound = 0;
+	int mostRecentCycleValue = -1;
+	LevelOnePage::CycleTypeEnum mostRecentCycleType;
 
 	LevelOnePage* loadingPage = document->subPage(0);
 
@@ -76,9 +79,12 @@ void loadTTI(QFile *inFile, TeletextDocument *document)
 			bool cycleValueOk;
 			int cycleValueRead = inLine.mid(3, inLine.size()-5).toInt(&cycleValueOk);
 			if (cycleValueOk) {
-				loadingPage->setCycleOn(true);
+				cycleCommandsFound++;
+				// House-keep CT command values, in case it's the only one within multiple subpages
+				mostRecentCycleValue = cycleValueRead;
 				loadingPage->setCycleValue(cycleValueRead);
-				loadingPage->setCycleType(inLine.endsWith("C") ? LevelOnePage::CTcycles : LevelOnePage::CTseconds);
+				mostRecentCycleType = inLine.endsWith("C") ? LevelOnePage::CTcycles : LevelOnePage::CTseconds;
+				loadingPage->setCycleType(mostRecentCycleType);
 			}
 		}
 		if (inLine.startsWith("FL,")) {
@@ -153,6 +159,13 @@ void loadTTI(QFile *inFile, TeletextDocument *document)
 			}
 		}
 	}
+	// If there's more than one subpage but only one valid CT command was found, apply it to all subpages
+	// I don't know if this is correct
+	if (cycleCommandsFound == 1 && document->numberOfSubPages()>1)
+		for (int i=0; i<document->numberOfSubPages(); i++) {
+			document->subPage(i)->setCycleValue(mostRecentCycleValue);
+			document->subPage(i)->setCycleType(mostRecentCycleType);
+		}
 }
 
 void importT42(QFile *inFile, TeletextDocument *document)
@@ -454,26 +467,19 @@ void saveTTI(QSaveFile &file, const TeletextDocument &document)
 		outStream << endl;
 #endif
 
-		// Cycle time - assume that only Level One Pages have configurable cycle times
-		if (document.pageFunction() == TeletextDocument::PFLevelOnePage && document.subPage(p)->cycleOn()) {
+		// Cycle time
+		if (document.pageFunction() == TeletextDocument::PFLevelOnePage)
+			// Assume that only Level One Pages have configurable cycle times
 			outStream << QString("CT,%1,%2").arg(document.subPage(p)->cycleValue()).arg(document.subPage(p)->cycleType()==LevelOnePage::CTcycles ? 'C' : 'T');
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-			outStream << Qt::endl;
-#else
-			outStream << endl;
-#endif
-		}
-
-		// Not a Level One Page: X/28/0 specifies page function and coding but the PF command
-		// should make it obvious to a human that this isn't a Level One Page
-		if (document.pageFunction() != TeletextDocument::PFLevelOnePage) {
+		else
+			// X/28/0 specifies page function and coding but the PF command
+			// should make it obvious to a human that this isn't a Level One Page
 			outStream << QString("PF,%1,%2").arg(document.pageFunction()).arg(document.packetCoding());
 #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-			outStream << Qt::endl;
+		outStream << Qt::endl;
 #else
-			outStream << endl;
+		outStream << endl;
 #endif
-		}
 
 		// FastText links
 		bool writeFLCommand = false;

pageoptionsdockwidget.cpp

@@ -82,9 +82,7 @@ PageOptionsDockWidget::PageOptionsDockWidget(TeletextWidget *parent): QDockWidge
 
 	// Cycle
 	QHBoxLayout *pageCycleLayout = new QHBoxLayout;
-	m_cycleOnCheckBox = new QCheckBox(tr("Page cycle"));
-	pageCycleLayout->addWidget(m_cycleOnCheckBox);
-	connect(m_cycleOnCheckBox, &QCheckBox::stateChanged, this, &PageOptionsDockWidget::setCycleOn );
+	pageCycleLayout->addWidget(new QLabel(tr("Page cycle")));
 	m_cycleValueSpinBox = new QSpinBox;
 	m_cycleValueSpinBox->setRange(1, 99);
 	m_cycleValueSpinBox->setWrapping(true);
@@ -175,19 +173,11 @@ void PageOptionsDockWidget::updateWidgets()
 		m_fastTextEdit[i]->setText(QString::number(absoluteLinkPageNumber, 16).toUpper());
 		m_fastTextEdit[i]->blockSignals(false);
 	}
-
-	const bool cycleOn = m_parentMainWidget->document()->currentSubPage()->cycleOn();
-
-	m_cycleOnCheckBox->blockSignals(true);
-	m_cycleOnCheckBox->setChecked(cycleOn);
-	m_cycleOnCheckBox->blockSignals(false);
 	m_cycleValueSpinBox->blockSignals(true);
 	m_cycleValueSpinBox->setValue(m_parentMainWidget->document()->currentSubPage()->cycleValue());
-	m_cycleValueSpinBox->setEnabled(cycleOn);
 	m_cycleValueSpinBox->blockSignals(false);
 	m_cycleTypeCombo->blockSignals(true);
 	m_cycleTypeCombo->setCurrentIndex(m_parentMainWidget->document()->currentSubPage()->cycleType() == LevelOnePage::CTseconds);
-	m_cycleTypeCombo->setEnabled(cycleOn);
 	m_cycleTypeCombo->blockSignals(false);
 	for (int i=0; i<=7; i++) {
 		m_controlBitsAct[i]->blockSignals(true);
@@ -230,13 +220,6 @@ void PageOptionsDockWidget::setFastTextLinkPageNumber(int linkNumber, const QStr
 	m_parentMainWidget->document()->setFastTextLinkPageNumberOnAllSubPages(linkNumber, pageNumberRead);
 }
 
-void PageOptionsDockWidget::setCycleOn(bool active)
-{
-	m_cycleValueSpinBox->setEnabled(active);
-	m_cycleTypeCombo->setEnabled(active);
-	m_parentMainWidget->document()->currentSubPage()->setCycleOn(active);
-}
-
 void PageOptionsDockWidget::updateDefaultNOSOptions()
 {
 	while (m_defaultNOSCombo->count() > 0)

pageoptionsdockwidget.h

@@ -40,7 +40,6 @@ public:
 private:
 	TeletextWidget *m_parentMainWidget;
 	QLineEdit *m_pageNumberEdit, *m_pageDescriptionEdit;
-	QCheckBox *m_cycleOnCheckBox;
 	QSpinBox *m_cycleValueSpinBox;
 	QComboBox *m_cycleTypeCombo;
 	QCheckBox *m_controlBitsAct[8];
@@ -57,9 +56,6 @@ private:
 	void setSecondNOS();
 	void updateDefaultNOSOptions();
 	void updateSecondNOSOptions();
-
-private slots:
-	void setCycleOn(bool active);
 };
 
 struct languageComboBoxItem {