Re: Tool-bar buttons unresponsive with tooltips on

["Jan D." <jan.h.d@swipnet.se>]

> "Jan D." <jan.h.d@swipnet.se> 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.

Probably an old leftover.  There should be a C variable to identify  
tip frames, like the hourglass_p variable.

>
>
>> 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.

Kim checked in another fix that works.

     Jan D.