Re: Tool-bar buttons unresponsive with tooltips on

[Jason Rumney]

"Jan D." <address@hidden> writes:
>
> The reason is that showing the tip window generates an EnterNotify
> event that clears dpyinfo->mouse_face_window (sets to Qnil).

Why does it do that? tooltip windows should not affect any window
states.

> note_mouse_highlight calls note_tool_bar_highlight and that function
> sets mouse_face_window again to the tool bar window.  Later when
> checking if the click is in the tool bar, it is only recognised as a
> tool bar click if mouse_face_window is eq to the tool bar window.
>
> Now, window managers are free to generate EnterNotify whenever they
> want and it seems that KDE generates one more than it used to, and
> also more than other window managers.  This is not a bug however.

The EnterNotify may not be a bug, but the way we handle it is.
We should test for tip_window and avoid doing certain things, the same
way we do for other events.