add generic PulseWidget function to highlight widgets

src/advanced-scene-switcher.cpp

@@ -2,6 +2,8 @@
 #include <QDir>
 #include <QAction>
 #include <QtGui/qstandarditemmodel.h>
+#include <QPropertyAnimation>
+#include <QGraphicsColorizeEffect>
 
 #include <condition_variable>
 #include <chrono>
@@ -208,6 +210,40 @@ bool SceneSwitcher::listMoveDown(QListWidget *list)
 	return true;
 }
 
+QMetaObject::Connection SceneSwitcher::PulseWidget(QWidget *widget,
+						   QColor endColor,
+						   QColor startColor,
+						   QString specifier)
+{
+	widget->setStyleSheet(specifier + "{ \
+		border-style: outset; \
+		border-width: 2px; \
+		border-radius: 10px; \
+		border-color: rgb(0,0,0,0) \
+		}");
+
+	QGraphicsColorizeEffect *eEffect = new QGraphicsColorizeEffect(widget);
+	widget->setGraphicsEffect(eEffect);
+	QPropertyAnimation *paAnimation =
+		new QPropertyAnimation(eEffect, "color");
+	paAnimation->setStartValue(startColor);
+	paAnimation->setEndValue(endColor);
+	paAnimation->setDuration(1000);
+	// play backward to return to original state on timer end
+	paAnimation->setDirection(QAbstractAnimation::Backward);
+
+	auto con = QWidget::connect(
+		paAnimation, &QPropertyAnimation::finished, [paAnimation]() {
+			QTimer::singleShot(1000, [paAnimation] {
+				paAnimation->start();
+			});
+		});
+
+	paAnimation->start();
+
+	return con;
+}
+
 /********************************************************************************
  * Saving and loading
  ********************************************************************************/

src/general.cpp

@@ -2,8 +2,6 @@
 #include <QFileDialog>
 #include <QTextStream>
 #include <QMessageBox>
-#include <QPropertyAnimation>
-#include <QGraphicsColorizeEffect>
 
 #include "headers/advanced-scene-switcher.hpp"
 
@@ -81,52 +79,19 @@ void SceneSwitcher::on_checkInterval_valueChanged(int value)
 	switcher->interval = value;
 }
 
-void SceneSwitcher::StartInactivePulse()
-{
-	ui->pluginRunningText->setStyleSheet("QLabel { \
-		border-style: outset; \
-		border-width: 2px; \
-		border-radius: 10px; \
-		border-color: rgb(0,0,0,0) \
-		}");
-
-	QGraphicsColorizeEffect *eEffect =
-		new QGraphicsColorizeEffect(ui->pluginRunningText);
-	ui->pluginRunningText->setGraphicsEffect(eEffect);
-	QPropertyAnimation *paAnimation =
-		new QPropertyAnimation(eEffect, "color");
-	paAnimation->setStartValue(QColor(0, 0, 0, 0));
-	paAnimation->setEndValue(QColor(Qt::red));
-	paAnimation->setDuration(1000);
-
-	connect(paAnimation, &QPropertyAnimation::finished, [paAnimation]() {
-		if (switcher->stop)
-			QTimer::singleShot(1000, [paAnimation] {
-				paAnimation->start();
-			});
-	});
-
-	paAnimation->start();
-}
-
-void SceneSwitcher::ResetInactivePulse()
-{
-	ui->pluginRunningText->setStyleSheet(
-		"QLabel { background-color: rgb(0,0,0,0); }");
-}
-
 void SceneSwitcher::SetStarted()
 {
 	ui->toggleStartButton->setText("Stop");
 	ui->pluginRunningText->setText("Active");
-	ResetInactivePulse();
+	ui->pluginRunningText->disconnect(inactivePluse);
 }
 
 void SceneSwitcher::SetStopped()
 {
 	ui->toggleStartButton->setText("Start");
 	ui->pluginRunningText->setText("Inactive");
-	StartInactivePulse();
+	inactivePluse = PulseWidget(ui->pluginRunningText, QColor(Qt::red),
+				    QColor(0, 0, 0, 0), "QLabel ");
 }
 
 void SceneSwitcher::on_toggleStartButton_clicked()

src/headers/advanced-scene-switcher.hpp

@@ -25,6 +25,7 @@ class SceneSwitcher : public QDialog {
 public:
 	std::unique_ptr<Ui_SceneSwitcher> ui;
 	bool loading = true;
+	QMetaObject::Connection inactivePluse;
 
 	SceneSwitcher(QWidget *parent);
 
@@ -82,6 +83,9 @@ public:
 					   bool addSelect = true);
 	static void populateProcessSelection(QComboBox *sel,
 					     bool addSelect = true);
+	QMetaObject::Connection PulseWidget(QWidget *widget, QColor endColor,
+					    QColor = QColor(0, 0, 0, 0),
+					    QString specifier = "");
 
 	bool listMoveUp(QListWidget *list);
 	bool listMoveDown(QListWidget *list);
@@ -98,8 +102,6 @@ public slots:
 	void on_startupBehavior_currentIndexChanged(int index);
 	void on_noMatchSwitchScene_currentTextChanged(const QString &text);
 	void on_checkInterval_valueChanged(int value);
-	void StartInactivePulse();
-	void ResetInactivePulse();
 	void on_toggleStartButton_clicked();
 	void on_tabMoved(int from, int to);
 

src/switch-audio.cpp

@@ -4,8 +4,15 @@
 #include "headers/advanced-scene-switcher.hpp"
 #include "headers/volume-control.hpp"
 
+#include <QPropertyAnimation>
+#include <QGraphicsColorizeEffect>
+
+QMetaObject::Connection test;
+
 void SceneSwitcher::on_audioAdd_clicked()
 {
+	ui->audioAdd->disconnect(test);
+
 	std::lock_guard<std::mutex> lock(switcher->m);
 	switcher->audioSwitches.emplace_back();
 
@@ -183,6 +190,9 @@ void SceneSwitcher::setupAudioTab()
 		item->setSizeHint(sw->minimumSizeHint());
 		ui->audioSwitches->setItemWidget(item, sw);
 	}
+
+	if (switcher->audioSwitches.size() == 0)
+		test = PulseWidget(ui->audioAdd, QColor(Qt::green));
 }
 
 void AudioSwitch::setVolumeLevel(void *data,