UI: Show remaining reconnect timeout duration

When a reconnect is occurring, the user doesn't really know that the
program is waiting to reconnect to the server or not, nor does the user
know how many seconds are remaining until that next attempt.  This will
show the reconnect timeout countdown as it's occurring.

obs/data/locale/en-US.ini

@@ -137,7 +137,8 @@ Basic.PropertiesWindow.NoProperties="No properties available"
 Basic.InteractionWindow="Interacting with '%1'"
 
 # status bar
-Basic.StatusBar.Reconnecting="Disconnected, reconnecting (attempt %1)"
+Basic.StatusBar.Reconnecting="Disconnected, reconnecting in %2 second(s) (attempt %1)"
+Basic.StatusBar.AttemptingReconnect="Attempting to reconnect... (attempt %1)"
 Basic.StatusBar.ReconnectSuccessful="Reconnection successful"
 
 # filters window

obs/window-basic-status-bar.cpp

@@ -106,6 +106,17 @@ void OBSBasicStatusBar::UpdateSessionTime()
 	text.sprintf("%02d:%02d:%02d", hours, minutes, seconds);
 	sessionTime->setText(text);
 	sessionTime->setMinimumWidth(sessionTime->width());
+
+	if (reconnectTimeout > 0) {
+		QString msg = QTStr("Basic.StatusBar.Reconnecting");
+		showMessage(msg.arg(QString::number(retries),
+					QString::number(reconnectTimeout)));
+		reconnectTimeout--;
+
+	} else if (retries > 0) {
+		QString msg = QTStr("Basic.StatusBar.AttemptingReconnect");
+		showMessage(msg.arg(QString::number(retries)));
+	}
 }
 
 void OBSBasicStatusBar::UpdateDroppedFrames()
@@ -132,7 +143,8 @@ void OBSBasicStatusBar::OBSOutputReconnect(void *data, calldata_t *params)
 	OBSBasicStatusBar *statusBar =
 		reinterpret_cast<OBSBasicStatusBar*>(data);
 
-	QMetaObject::invokeMethod(statusBar, "Reconnect");
+	int seconds = (int)calldata_int(params, "timeout_sec");
+	QMetaObject::invokeMethod(statusBar, "Reconnect", Q_ARG(int, seconds));
 	UNUSED_PARAMETER(params);
 }
 
@@ -145,18 +157,17 @@ void OBSBasicStatusBar::OBSOutputReconnectSuccess(void *data, calldata_t *params
 	UNUSED_PARAMETER(params);
 }
 
-void OBSBasicStatusBar::Reconnect()
+void OBSBasicStatusBar::Reconnect(int seconds)
 {
 	retries++;
-
-	QString reconnectMsg = QTStr("Basic.StatusBar.Reconnecting");
-	showMessage(reconnectMsg.arg(QString::number(retries)));
+	reconnectTimeout = seconds;
 }
 
 void OBSBasicStatusBar::ReconnectSuccess()
 {
 	showMessage(QTStr("Basic.StatusBar.ReconnectSuccessful"), 4000);
 	retries              = 0;
+	reconnectTimeout     = 0;
 	bitrateUpdateSeconds = -1;
 	lastBytesSent        = 0;
 	lastBytesSentTime    = os_gettime_ns();

obs/window-basic-status-bar.hpp

@@ -24,6 +24,8 @@ private:
 	int activeRefs = 0;
 	int totalSeconds = 0;
 
+	int reconnectTimeout = 0;
+
 	int      bitrateUpdateSeconds = 0;
 	uint64_t lastBytesSent = 0;
 	uint64_t lastBytesSentTime = 0;
@@ -43,7 +45,7 @@ private:
 	static void OBSOutputReconnectSuccess(void *data, calldata_t *params);
 
 private slots:
-	void Reconnect();
+	void Reconnect(int seconds);
 	void ReconnectSuccess();
 	void UpdateStatusBar();
 	void UpdateCPUUsage();