I'm using Photoshop CC on a Wacom Cintiq Pro24 touch screen with an EK Remote on a MacPro running on Catalina 10.15.1. I programmed one of the quick keys on my EK Remote (Ctrl + Alt + Right Click) to enable me to change the size and softness of my brushes by holding the quick key and then moving my cursor up and down or side to side. This worked great until it suddenly didn't! Now when I press the quick key it brings up a photoshop box with sliders to resize and soften the brush. Obviously, this defeats the object of having the quick key!
I noticed, however, that if I first click the cursor on the background of my image (the cursor then aquires a small box attached at the bottom right with horizontal lines in it) I am then able to use the up and down or side to side motion of the cursor to change size and softness.
I would be most grateful if anyone could explain why this is happening and offer a solution.