Re: mouse-drag-and-drop-region

[Alex <agrambot@gmail.com>]

martin rudalics <rudalics@gmx.at> writes:

>> 1. Select a region.
>> 2. Hold down-mouse-1 inside of this region.
>> 3. Press any key before moving or releasing the mouse.
>>
>> Doing this yields an error without your change,
>
> Something like
>
> mouse-drag-region: Wrong type argument: char-or-string-p, nil
>
> I suppose.  'value-selection' must have been nil then.

Right, that's the issue. Or perhaps _an_ issue, since `kill-region' is
sent nil arguments in this case.

>> and it pastes the region
>> with your change.  Even when this key is C-g, `mark-active' is t after
>> step 3.
>
> Not much better.  But doing mouse-down and pressing another key at the
> same time is somewhat obscure behavior.

Somewhat obscure, but it should be handled better, right?

>> I also noticed that when dragging in an X window, the tooltip flickers
>> quite a bit. Is there any easy remedy for this?  Removing the
>> `mouse-set-point' call in `track-mouse' helps in some cases, but not
>> completely.
>
> Would customizing 'tooltip-reuse-hidden-frame' change anything or are
> you using GTK tooltips?

It appears that it only happens with GTK tooltips.