Looking at the source software today, I stumbled upon a plasma part called shttp://www.aliyun.com/zixun/aggregation/16797.html ">mooth tasks, A copy of the WIN7 task bar applet, more than Win7 taskbar configuration, very useful, and open a new program, the taskbar icon will be the same as the icon next to the mouse, jump jump, too cute ...
Installing from a software source
Apt Install plasma-widget-smooth-tasks
Replace the original Task Manager
Right-click on the desktop-unlock part-Add part-find "Smooth tasks" and drag onto the panel, then delete the original task Manager.
Download source
http://kde-look.org/content/show.php/Smooth+Tasks?content=101586
Installation dependencies
sudo apt install cmake g++ kdebase-workspace-dev build-essential
Compiler
CMake. -dcmake_install_prefix=/usrmake
Installation
sudo make install
Uninstall
sudo make Uninstall