Add full timeline playback position marker

Author: medengineer

Source/Processors/FileReader/FileReaderEditor.cpp

@@ -35,10 +35,16 @@ FullTimeline::FullTimeline(FileReader* fr)
 {
 
     fileReader = fr;
+
+    startTimer(200);
 }
 
 FullTimeline::~FullTimeline() {}
 
+void FullTimeline::timerCallback() {
+    repaint();
+}
+
 void FullTimeline::paint(Graphics& g) 
 {
 
@@ -95,6 +101,12 @@ void FullTimeline::paint(Graphics& g)
 
     g.fillRoundedRectangle(intervalStartPosition, 0, 2, this->getHeight(), 2);
     g.fillRoundedRectangle(intervalStartPosition + intervalWidth, 0, 2, this->getHeight(), 2);
+
+    /* Draw the current playback position */
+    float timelinePos = (float)fileReader->getCurrentSample() / fileReader->getCurrentNumTotalSamples() * getWidth();
+
+    g.setOpacity(1.0f);
+    g.fillRoundedRectangle(timelinePos, 0, 1, this->getHeight(), 0.2);
 
 }
 

Source/Processors/FileReader/FileReaderEditor.h

@@ -58,7 +58,7 @@ class PlaybackButton : public Button, public Timer
     void paintButton(Graphics &g, bool isMouseOver, bool isButtonDown);
 };
 
-class FullTimeline : public Component
+class FullTimeline : public Component, public Timer
 {
 public:
     FullTimeline(FileReader*);
@@ -73,6 +73,8 @@ class FullTimeline : public Component
 
     FileReader* fileReader;
 
+    void timerCallback();
+
     int intervalStartPosition;
     int intervalWidth;
     bool intervalIsSelected;
@@ -83,6 +85,7 @@ class FullTimeline : public Component
     void mouseUp(const MouseEvent& event);
 
     bool leftSliderIsSelected;
+
 };
 
 class ZoomTimeline : public Component