Ra100:
Hi
I understand you request, however there is a problem with a mouse events. Whenever you move your mouse, new cell is selected.
However there is one useful tool to help you count. If you press Alt button during mouse drag, you will get selected rectangle. The size of the rectangle is shown in left panel under the Save button.
Ra100
Thanks that helps a bit - although I don't see how that really helps with the tri puzzles.
In any case you are right - going with the keyboard, I'd have to forego using the mouse. Since on the laptop a mouse is much more of a hindrance than a help, this doesn't bother me in the slightest.
I'd suggest that there be a 'toggle' mode, with escape or some such key toggling between mouse and keyboard, and holding down shift allow people to 'fast fill' (ie: shift-up-arrow would both move the selected cell and paint the current cell with whatever color is highlighted.
It really would make the difference between me being able to use this interface or not, and I'm sure I'm not the only one with a laptop who would be in this situation.