infoicons: add getHeightRel() to get relative height

Origin commit data
------------------
Branch: ni/coolstream
Commit: 94a5fcb66d
Author: vanhofen <vanhofen@gmx.de>
Date: 2024-10-21 (Mon, 21 Oct 2024)

Origin message was:
------------------
- infoicons: add getHeightRel() to get relative height

------------------
No further description and justification available within origin commit message!

------------------
This commit was generated by Migit

src/gui/infoicons.cpp

@@ -306,6 +306,19 @@ void CInfoIcons::enableInfoIcons(bool enable)
 	}
 }
 
+int CInfoIcons::getHeightRel()
+{
+	if (is_painted)
+	{
+		if (g_settings.mode_icons_background)
+			return y + height + OFFSET_SHADOW;
+		else
+			return y + height;
+	}
+	else
+		return y;
+}
+
 void CInfoIcons::saveIconstate()
 {
 	std::ofstream file("/var/etc/infoicons");

src/gui/infoicons.h

@@ -78,6 +78,7 @@ class CInfoIcons
 		void	enableInfoIcons(bool enable);
 		void	switchInfoIconsOnOff();
 		void	saveIconstate();
+		int	getHeightRel();
 
 		bool	getStatus(void) { return status; }
 };