Format waveform duration in a nicer way

Source/PS_Source/globals.h

@@ -206,3 +206,22 @@ inline void callGUI(T* ap, F&& f, bool async)
 			MessageManager::callAsync([ed, f]() { f(ed); });
 	}
 }
+
+inline String secondsToString(double seconds)
+{
+	int64_t durintseconds = seconds;
+	int64_t durintminutes = seconds / 60.0;
+	int64_t durinthours = seconds / 3600.0;
+	int64_t durintdays = seconds / (3600 * 24.0);
+	String timestring;
+	if (durintminutes < 1)
+		timestring = String(seconds, 3) + " seconds";
+	if (durintminutes >= 1 && durinthours < 1)
+		timestring = String(durintminutes) + " mins " + String(durintseconds % 60) + " secs";
+	if (durinthours >= 1 && durintdays < 1)
+		timestring = String(durinthours) + " hours " + String(durintminutes % 60) + " mins " + String(durintseconds % 60) + " secs";
+	if (durintdays >= 1)
+		timestring = String(durintdays) + " days " + String(durinthours % 24) + " hours " +
+		String(durintminutes % 60) + " mins ";
+	return timestring;
+}

Source/PluginEditor.cpp

@@ -496,7 +496,7 @@ void WaveformComponent::paint(Graphics & g)
 	}
 	g.setColour(Colours::aqua.darker());
 	g.drawText(GetFileCallback().getFileName(), 2, m_topmargin + 2, getWidth(), 20, Justification::topLeft);
-	g.drawText(String(thumblen, 1), getWidth() - 100, m_topmargin + 2, 100, 20, Justification::topRight);
+	g.drawText(secondsToString(thumblen), getWidth() - 100, m_topmargin + 2, 100, 20, Justification::topRight);
 }
 
 void WaveformComponent::timerCallback()