[Custom Editor] How to show a custom floating panel when shortcut is pressed ?

Hi, i want to create something similar to the Blender shortcuts panel, for example if i press “C” Unity will show a panel like this:

alt text

is it possible ? if yes then what would be the first step to do so ?

EDIT:
the goal is to be able to create gameobject when am editing the level in SceneView without the need of going to the GameObject menu or right clicking in the Hierarchy window. And the perfect case will be to also create prefab with it. it would be really helpful to any unity user.

thank you

i found how to make it :

  • Create a new EditorWindow class Add
  • whatever functions i need in that window
  • Use Hotkey to show that window or just dock it somwhere

My window look like this :

alt text