creating a slideIndex on SlideObject and referencing as active slide

src/cpp/slide.cpp

@@ -20,7 +20,7 @@ Slide::Slide(const QString &text, const QString &audio, const QString &imageBack
     m_videoBackground(videoBackground),m_verticalTextAlignment(verticalTextAlignment),
     m_horizontalTextAlignment(horizontalTextAlignment),m_font(font),
     m_fontSize(fontSize),m_imageCount(imageCount),m_pdfIndex(pdfIndex),
-    m_isPlaying(isPlaying),m_type(type)
+    m_isPlaying(isPlaying),m_type(type),m_slideIndex(0)
 {
   qDebug() << "Initializing slide with defaults";
 }
@@ -81,6 +81,11 @@ int Slide::pdfIndex() const
   return m_pdfIndex;
 }
 
+int Slide::slideIndex() const
+{
+  return m_slideIndex;
+}
+
 bool Slide::isPlaying() const
 {
   return m_isPlaying;
@@ -202,6 +207,16 @@ void Slide::setPdfIndex(int pdfIndex)
     emit pdfIndexChanged(m_pdfIndex);
 }
 
+void Slide::setSlideIndex(int slideIndex)
+{
+    if (m_slideIndex == slideIndex)
+        return;
+
+    qDebug() << "####changing slideIndex to: " << slideIndex;
+    m_slideIndex = slideIndex;
+    emit slideIndexChanged(m_slideIndex);
+}
+
 void Slide::changeSlide(QVariantMap item)
 {
   setServiceItem(item);
@@ -329,7 +344,7 @@ bool Slide::changeSlideIndex(int index)
   qDebug() << "Starting to change slide index.";
   qDebug() << "Slide Index: " << m_slideIndex << " Slide Size: " << m_slideSize;
   QStringList text = m_serviceItem.value("text").toStringList();
-  if (index > m_slideSize || index < 0) {
+  if (index > m_slideSize - 1 || index < 0) {
     qDebug() << "index is invalid: " << index;
     return false;
   }

src/cpp/slide.h

@@ -26,6 +26,7 @@ class Slide : public QObject
   Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize NOTIFY fontSizeChanged)
   Q_PROPERTY(int imageCount READ imageCount WRITE setImageCount NOTIFY imageCountChanged)
   Q_PROPERTY(int pdfIndex READ pdfIndex WRITE setPdfIndex NOTIFY pdfIndexChanged)
+  Q_PROPERTY(int slideIndex READ slideIndex WRITE setSlideIndex NOTIFY slideIndexChanged)
   Q_PROPERTY(bool isPlaying READ isPlaying NOTIFY isPlayingChanged)
   // QML_ELEMENT
 
@@ -49,6 +50,7 @@ public:
   int fontSize() const;
   int imageCount() const;
   int pdfIndex() const;
+  int slideIndex() const;
   bool isPlaying() const;
 
   Q_INVOKABLE void setText(QString text);
@@ -63,6 +65,7 @@ public:
   Q_INVOKABLE void setFontSize(int fontSize);
   Q_INVOKABLE void setImageCount(int imageCount);
   Q_INVOKABLE void setPdfIndex(int pdfIndex);
+  Q_INVOKABLE void setSlideIndex(int slideIndex);
 
   Q_INVOKABLE void changeSlide(QVariantMap item);
   Q_INVOKABLE void play();
@@ -85,6 +88,7 @@ signals:
     Q_INVOKABLE void fontSizeChanged(int fontSize);
     Q_INVOKABLE void imageCountChanged(int imageCount);
     Q_INVOKABLE void pdfIndexChanged(int pdfIndex);
+    Q_INVOKABLE void slideIndexChanged(int slideIndex);
     Q_INVOKABLE void isPlayingChanged(bool isPlaying);
 
 private:

src/qml/presenter/PreviewSlideListDelegate.qml

@@ -10,7 +10,7 @@ Item {
     // Lets set the outerModelData so we can access that data here.
     property var outerModelData: model;
 
-    implicitHeight: Kirigami.Units.gridUnit * 6.25
+    implicitHeight: Kirigami.Units.gridUnit * 6.5
     implicitWidth: {
         let slides = outerModelData.slideNumber === 0 ? 1 : outerModelData.slideNumber
         return Kirigami.Units.gridUnit * 10 * slides + Kirigami.Units.smallSpacing * 2;
@@ -72,6 +72,17 @@ Item {
                         onClicked: changeSlideAndIndex(outerModelData, index)
                         cursorShape: Qt.PointingHandCursor
                     }
+
+                    Rectangle {
+                        id: activeHighlightBar
+                        width: previewSlideItem.width
+                        height: Kirigami.Units.gridUnit / 4
+                        anchors.top: previewSlideItem.bottom
+                        anchors.left: previewSlideItem.left
+                        anchors.topMargin: Kirigami.Units.smallSpacing
+                        color: Kirigami.Theme.negativeTextColor
+                        visible: outerModelData.active && SlideObject.slideIndex == index - 1
+                    }
                 }
             }
         }
@@ -113,5 +124,6 @@ Item {
         if (index === 0)
             return;
         SlideObject.changeSlideIndex(index);
+        console.log("New slide index is: " + SlideObject.slideIndex);
     }
 }