Tackle limitation of point coordinate system

[akoch-yatta]

There are some scenarios, e.g. with detached views in the IDE, where point to pixels conversion lead to unexpected results e.g. in something like this:

Point p = display.getCursorLocation();
p.x -= 100;
shell.setLocation(p);

If p.x -= 100; will lead to the point being placed on another monitor with different zoom, this can lead to a unexpected positioning of the shell.

Two ideas to evaluate:
1.) extend point and rectangle with a zoom attribute

2.) Create DisplayPoint and DisplayRectangle only for win32 as subclasses and use them in scenarios where a display related pixel to point conversion happen

[akoch-yatta]

Improved by PR #1524

[akoch-yatta]

As discussed in the daily, we will rediscuss this issue and possible solutions