[WIP] VolumeMeter cleanup + paint optimizations maybe

Author: Warchamp7

frontend/cmake/ui-utility.cmake

@@ -68,6 +68,4 @@ target_sources(
     utility/undo_stack.cpp
     utility/undo_stack.hpp
     utility/VCamConfig.hpp
-    utility/VolumeMeterTimer.cpp
-    utility/VolumeMeterTimer.hpp
 )

frontend/data/themes/Yami.obt

@@ -1692,7 +1692,8 @@ QSlider::handle:disabled {
     border-color: transparent;
 }
 
-VolControl {
+VolControl,
+VolumeMeter {
     background: var(--bg_base);
 }
 
@@ -1800,7 +1801,6 @@ VolControl #volLabel {
 }
 
 VolumeMeter {
-    background: transparent;
     color: var(--grey3);
     font-size: 7.5pt;
     font-weight: bold;
@@ -1818,6 +1818,8 @@ VolumeMeter {
 
 /* Hidden Volume Controls */
 VolControl.volume-hidden,
+VolControl.volume-hidden VolumeMeter,
+VolControl.volume-inactive VolumeMeter,
 VolControl.volume-inactive {
     background: var(--grey7);
 }

frontend/utility/VolumeMeterTimer.cpp

@@ -54,6 +54,8 @@ VolControl::VolControl(obs_source_t *source, bool vertical, QWidget *parent)
 	  contextMenu(nullptr),
 	  QFrame(parent)
 {
+	setAttribute(Qt::WA_OpaquePaintEvent, true);
+
 	utils = new idian::Utils(this);
 
 	uuid = obs_source_get_uuid(source);
@@ -98,7 +100,7 @@ VolControl::VolControl(obs_source_t *source, bool vertical, QWidget *parent)
 	bool muted = obs_source_muted(source);
 	bool unassigned = isSourceUnassigned(source);
 
-	volMeter->muted = muted || unassigned;
+	volMeter->setMuted(muted || unassigned);
 
 	setLayoutVertical(vertical);
 	setName(sourceName);
@@ -572,6 +574,7 @@ void VolControl::updateCategoryLabel()
 	categoryLabel->setText(labelText);
 
 	utils->polishChildren(this);
+	volMeter->updateBackgroundCache();
 }
 
 void VolControl::updateDecayRate()
@@ -694,7 +697,7 @@ void VolControl::updateMixerState()
 	bool showAsMonitored = monitoringType != OBS_MONITORING_TYPE_NONE;
 	bool showAsUnassigned = !muted && unassigned;
 
-	volMeter->muted = (showAsMuted || showAsUnassigned) && !showAsMonitored;
+	volMeter->setMuted((showAsMuted || showAsUnassigned) && !showAsMonitored);
 
 	// Qt doesn't support overriding the QPushButton icon using pseudo state selectors like :checked
 	// in QSS so we set a checked class selector on the button to be used instead.