adding changeSlideAndIndex and enabling that on previewSlidesList

src/cpp/slide.cpp

@@ -324,6 +324,37 @@ bool Slide::previous(QVariantMap prevItem)
   return false;
 }
 
+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) {
+    qDebug() << "index is invalid: " << index;
+    return false;
+  }
+
+  // since the string list is 0 indexed m_slideIndex actually
+  // maps to the next item. So the prev text is minus 2
+  if (m_type == "song") {
+    int textIndex = index;
+    qDebug() << textIndex;
+    qDebug() << text[textIndex];
+    setText(text[textIndex]);
+    m_slideIndex = index;
+    return true;
+  }
+
+  if (m_type == "presentation") {
+    qDebug() << "prev slide index: " << m_pdfIndex;
+    setPdfIndex(index);
+    qDebug() << "new slide index: " << m_pdfIndex;
+    m_slideIndex = index;
+    return true;
+  }
+  return false;
+}
+
 void Slide::play()
 {
   m_isPlaying = true;

src/cpp/slide.h

@@ -70,6 +70,7 @@ public:
   Q_INVOKABLE void playPause();
   Q_INVOKABLE bool next(QVariantMap nextItem);
   Q_INVOKABLE bool previous(QVariantMap prevItem);
+  Q_INVOKABLE bool changeSlideIndex(int index);
 
 signals:
     Q_INVOKABLE void textChanged(QString text);

src/qml/presenter/PreviewSlideListDelegate.qml

@@ -69,7 +69,7 @@ Item {
                         id: innerMouse
                         anchors.fill: parent
                         hoverEnabled: true
-                        onClicked: changeServiceItem(outerModelData.index)
+                        onClicked: changeSlideAndIndex(outerModelData, index)
                         cursorShape: Qt.PointingHandCursor
                     }
                 }
@@ -103,4 +103,15 @@ Item {
                 previewSlidesList.positionViewAtIndex(index, ListView.Center)
         }
     }
+
+    function changeSlideAndIndex(serviceItem, index) {
+        // TODO
+        console.log("Item: " + serviceItem.index + " is " + serviceItem.active);
+        if (!serviceItem.active)
+            changeServiceItem(serviceItem.index)
+        console.log("Slide Index is: " + index);
+        if (index === 0)
+            return;
+        SlideObject.changeSlideIndex(index);
+    }
 }