Pan using Space key and left mouse button

[midora 202]

Could this be changed in the way that the state of the space key is checked only on MouseDown of the left button and not all the time until releasing of the left mouse button?

 

The reason is that my trackpad does not send any mousemove events while a non-modifiers key is pressed alone.. So I'm getting the flat hand cursor but I can not pan. And releasing the space key after pressing left button stops the pan functionality in Paint.NET.