[Interest] famous issue : setMouseTracking

[Nicolas Jäger]

hi,

> > if some widget has the setMouseTracking set to true, the event  
> mouseMoveEvent is detected only when a clicked is perfomed.
> 
> This doesn't sound right, enabling the mouse tracking causes mouse move
> events to be dispatched to the widget without the need to have a mouse
> click (provided the mouse is hovering over the widget, if not, mouse
> tracking doesn't do you any good).
yes it's doesn't sound right,that's why I try to figure what's going on. You can easily find some
topics about that problem on internet.

> 
> >  I set the SetMouseTracking to true when the mouse enters the widget, and  
> I set it to false when the mouse leave the widget. The reason I do that, I
> read somewhere on internet (I didn't kept the link sry) that only one
> widget at a time can truly have  settled to true. and I
> want to use it for several widgets.
> 
> No need to do that. Just enable the mouse tracking for whichever widget you
> want to receive the mouse move events. I believe you're confusing the mouse
> tracking with grabbing the mouse, which is exclusive.

Initially I just set several widget with setMouseTracking but it didn't worked. No, I'm not
confusing between tracking and grabbing. I have no use of grabing.

Regards,
Nicolas