Update memory monitor tooltip

- Added an active tooltip that is set during acquisition that updates with the current memory usage

Author: bparks13

Source/Devices/MemoryMonitor.cpp

@@ -29,17 +29,33 @@ MemoryMonitorUsage::MemoryMonitorUsage(GenericProcessor* p)
 	: LevelMonitor(p)
 {
 	device = nullptr;
+	setPassiveTooltip();
 }
 
 void MemoryMonitorUsage::timerCallback()
 {
 	if (device != nullptr)
 	{
-		setFillPercentage(std::log(device->getLastPercentUsedValue() + 1) / maxLogarithmicValue);
+		auto logMemoryUsed = std::log(device->getLastPercentUsedValue() + 1) / maxLogarithmicValue;
+		setFillPercentage(logMemoryUsed);
+		setTooltip(getNewTooltip(logMemoryUsed));
 		repaint();
 	}
 }
 
+std::string MemoryMonitorUsage::getNewTooltip(float memoryUsage)
+{
+	std::stringstream ss;
+	ss.precision(2);
+	ss << std::fixed << "Memory Used: " << memoryUsage << "%";
+	return ss.str();
+}
+
+void MemoryMonitorUsage::setPassiveTooltip()
+{
+	setTooltip("Monitors the percent of the hardware memory buffer used.");
+}
+
 void MemoryMonitorUsage::setMemoryMonitor(std::shared_ptr<MemoryMonitor> memoryMonitor)
 {
 	device = memoryMonitor;
@@ -54,6 +70,7 @@ void MemoryMonitorUsage::stopAcquisition()
 {
 	stopTimer();
 	setFillPercentage(0.0f);
+	setPassiveTooltip();
 	repaint();
 }
 

Source/Devices/MemoryMonitor.h

@@ -116,10 +116,10 @@ namespace OnixSourcePlugin
 		void timerCallback() override;
 
 		void setMemoryMonitor(std::shared_ptr<MemoryMonitor> memoryMonitor);
-
 		void startAcquisition();
-
 		void stopAcquisition();
+		void setPassiveTooltip();
+		static std::string getNewTooltip(float memoryUsage);
 
 	private:
 

Source/OnixSourceEditor.cpp

@@ -38,7 +38,6 @@ OnixSourceEditor::OnixSourceEditor(GenericProcessor* parentNode, OnixSource* sou
 	{
 		memoryUsage = std::make_unique<MemoryMonitorUsage>(parentNode);
 		memoryUsage->setBounds(8, 28, 14, 80);
-		memoryUsage->setTooltip("Monitors the percent of the hardware memory buffer used.");
 		addAndMakeVisible(memoryUsage.get());
 
 		blockReadSizeValue = std::make_unique<Label>("blockReadSizeValue", String(source->getBlockReadSize()));