tool. You click in that tool, then you click in one of the 8 handles. The
control will be fixed in the line that intersects that handle. This is useful
for avoiding moving controls by chance.You can move the selection by pressing the left mouse button down somewhere in the middle of it and holding the button pressed for a certain time (less that a second). This will change the form of the mouse to a hand. You can then move the selection by moving the mouse.
When the mouse is not precise enough, you can finely move the controls one unit at a time using the arrows in the keyboard.
You can fix an object in one or two directions by using the
tool. You click in that tool, then you click in one of the 8 handles. The
control will be fixed in the line that intersects that handle. This is useful
for avoiding moving controls by chance.
A fixed control handle changes its color to blue.
The button can only move horizontally now;