Re: Creating a "borderless" frame (without WM chrome) (was Re: Could x-show-tip be reimplemented in Elisp? How does one create borderless frames from Elisp?)

[Clément Pit--Claudel]

On 02/17/2016 04:13 AM, martin rudalics wrote:
>> * add a frame parameter to frame_parms in frame.c, say "chromeless"
> 
> I'd prefer "decorated" as in gtk_window_set-decorated.
> 
>> * add an x_set_chromeless slot in each of frame_parm_handler 
>> x_frame_parm_handlers[], frame_parm_handler w32_frame_parm_handlers[], 
>> frame_parm_handler ns_frame_parm_handlers[]; for the last two point to 0 for 
>> now; for the first one point to a new function x_set_chromeless.
>> * In x-create-frame, add something like
>>      x_default_parameter (f, parms, Qchromeless, Qnil,
>>                           "chromeless", "Chromeless", RES_TYPE_BOOLEAN);
> 
> For X I doubt that it's always possible to add/remove the decorations of
> an existing frame.  For Windows the below works here with
> 
> x_default_parameter (f, parameters, Qdecorated, Qnil,
>                      "decorated", "Decorated", RES_TYPE_SYMBOL);
> (...)

Great, thanks! I will add this to my patch.

Do we need the three states, however? Given that one can separately specify a 
border width, wouldn't it be enough to have either no caption nor border, or 
both?

Clément.

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