UI: Avoid copies in Volume Control

UI/volume-control.cpp

@@ -112,7 +112,7 @@ void VolControl::setPeakMeterType(enum obs_peak_meter_type peakMeterType)
 }
 
 VolControl::VolControl(OBSSource source_, bool showConfig)
-		: source      (source_),
+		: source      (std::move(source_)),
 		levelTotal    (0.0f),
 		levelCount    (0.0f),
 		obs_fader     (obs_fader_create(OBS_FADER_CUBIC)),
@@ -227,7 +227,7 @@ QColor VolumeMeter::getBackgroundNominalColor() const
 
 void VolumeMeter::setBackgroundNominalColor(QColor c)
 {
-	backgroundNominalColor = c;
+	backgroundNominalColor = std::move(c);
 }
 
 QColor VolumeMeter::getBackgroundWarningColor() const
@@ -237,7 +237,7 @@ QColor VolumeMeter::getBackgroundWarningColor() const
 
 void VolumeMeter::setBackgroundWarningColor(QColor c)
 {
-	backgroundWarningColor = c;
+	backgroundWarningColor = std::move(c);
 }
 
 QColor VolumeMeter::getBackgroundErrorColor() const
@@ -247,7 +247,7 @@ QColor VolumeMeter::getBackgroundErrorColor() const
 
 void VolumeMeter::setBackgroundErrorColor(QColor c)
 {
-	backgroundErrorColor = c;
+	backgroundErrorColor = std::move(c);
 }
 
 QColor VolumeMeter::getForegroundNominalColor() const
@@ -257,7 +257,7 @@ QColor VolumeMeter::getForegroundNominalColor() const
 
 void VolumeMeter::setForegroundNominalColor(QColor c)
 {
-	foregroundNominalColor = c;
+	foregroundNominalColor = std::move(c);
 }
 
 QColor VolumeMeter::getForegroundWarningColor() const
@@ -267,7 +267,7 @@ QColor VolumeMeter::getForegroundWarningColor() const
 
 void VolumeMeter::setForegroundWarningColor(QColor c)
 {
-	foregroundWarningColor = c;
+	foregroundWarningColor = std::move(c);
 }
 
 QColor VolumeMeter::getForegroundErrorColor() const
@@ -277,7 +277,7 @@ QColor VolumeMeter::getForegroundErrorColor() const
 
 void VolumeMeter::setForegroundErrorColor(QColor c)
 {
-	foregroundErrorColor = c;
+	foregroundErrorColor = std::move(c);
 }
 
 QColor VolumeMeter::getClipColor() const
@@ -287,7 +287,7 @@ QColor VolumeMeter::getClipColor() const
 
 void VolumeMeter::setClipColor(QColor c)
 {
-	clipColor = c;
+	clipColor = std::move(c);
 }
 
 QColor VolumeMeter::getMagnitudeColor() const
@@ -297,7 +297,7 @@ QColor VolumeMeter::getMagnitudeColor() const
 
 void VolumeMeter::setMagnitudeColor(QColor c)
 {
-	magnitudeColor = c;
+	magnitudeColor = std::move(c);
 }
 
 QColor VolumeMeter::getMajorTickColor() const
@@ -307,7 +307,7 @@ QColor VolumeMeter::getMajorTickColor() const
 
 void VolumeMeter::setMajorTickColor(QColor c)
 {
-	majorTickColor = c;
+	majorTickColor = std::move(c);
 }
 
 QColor VolumeMeter::getMinorTickColor() const
@@ -317,7 +317,7 @@ QColor VolumeMeter::getMinorTickColor() const
 
 void VolumeMeter::setMinorTickColor(QColor c)
 {
-	minorTickColor = c;
+	minorTickColor = std::move(c);
 }
 
 qreal VolumeMeter::getMinimumLevel() const