How can I navigate between views/screens by dragging sideways (swipe gesture)?

Question

So I want the user to change the displayed window by dragging it sideways. It shouldn't matter where exactly on the screen is his cursor (so only the dragging action matter) I draw a little representation of what I have in mind. I want the user to see the 2nd screen coming after the cursor, even retracting when he moves his cursor back to the right (basically following his cursor). This action should be both ways: from main window to 2nd window AND from 2nd window back to main window How would you approach this?

EDIT: Picture 1; The user places his cursor on point A and clicks. While holding click he drags it across the green arrow.

Picture2; This picture represents and intermediate state when the "slide" is still in progress (you can see the "Statistics" screen still hasn't fully taken over the initial screen)

Picture3; Represents the final state; after the user got at the end of the (imaginary) green arrow. The Statistics screen is now fully displayed and the user can read the information that is on it.

The opposite of what happened now should be allowed (dragging from left to right in order to go back to the initial screen)