[Volume Monitor] Don't emit volumeChanged when it didn't change

8a9d62a1 · Kai Uwe Broulik · 3e80ee13 · 8a9d62a1
Commit 8a9d62a1 authored Jan 12, 2021 by Kai Uwe Broulik 🍇
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src/volumemonitor.cpp src/volumemonitor.cpp +5 -0

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--- a/src/volumemonitor.cpp
+++ b/src/volumemonitor.cpp
@@ -49,6 +49,11 @@ bool VolumeMonitor::isAvailable() const

 void VolumeMonitor::updateVolume(qreal volume)
 {
+    // qFuzzyCompare cannot compare against 0.
+    if (qFuzzyCompare(1 + m_volume, 1 + volume)) {
+        return;
+    }
+
    m_volume = volume;
    Q_EMIT volumeChanged();
 }