Re: set-frame-size for frame without minibuffer loses mode line

[martin rudalics]

>>Does this wrap the menu-bar of the selected frame?
>>That is, do you get two menu-bar lines instead of one?
>
>
> Yes.
>
>
>>Does the extra line appear when the menu-bar does not wrap?
>
>
> No. That is, there seems to be no problem when the new size does not cause
> the menu-bar to wrap.

Here

(set-frame-size (selected-frame) 30 40)

is sufficient to reproduce the bug, provided it makes the menu-bar wrap.

>> > With the dired frame selected, repeat the last command (that is,
>> > repeat (set-frame-size (selected-frame) 30 40)):
>> >
>> > C-x ESC ESC
>> >
>> > Now, both the extra empty "minibuffer" line and the mode line have
>> > disappeared.
>
>
> This problem (the main one) also only happens when the menu-bar wraps.

This problem looks like a consequence of the first one.

>> > The more serious bug is the disappearance of the mode line. No matter
>> > how many times the `set-frame-size' is repeated, the mode line does
>> > not reappear.
>>
>>What do you use to make it reappear?
>
>
> Nothing. It does not reappear. But, as you suggested, the problem only
> happens when the new width is small enough that the menu-bar must wrap.

Here the only way to make it reappear is to push the maximize button of
the frame.

We have to check first whether this bug is Windows specific or can be
reproduced on GNU/Linux too.  Could someone please try?