This is a Plasma 5 applet that shows the current window title and icon in your panels. This plasmoid is coming from Latte land but it can also support Plasma panels.
Window Title left to Plasma 5 global menu
Appearance Settings
Behavior Settings
- Plasma >= 5.8
- KDeclarative
This is a QML applet and as such it can be easily installed from Plasma 5 Widgets Explorer or alternative you can execute plasmapkg2 -i . in the root directory of the applet.