Re: Tooltips on w32 slow and strange

From: Jason Rumney <jasonr@gnu.org>
Cc: Emacs Devel <emacs-devel@gnu.org>
Subject: Re: Tooltips on w32 slow and strange
Date: Mon, 14 Feb 2005 15:19:26 +0000	[thread overview]
Message-ID: <4210C17E.2070909@gnu.org> (raw)
In-Reply-To: <007e01c512a3$58635040$0200a8c0@sedrcw11488>

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Lennart Borgman wrote:

>----- Original Message ----- 
>From: "Jason Rumney" <jasonr@gnu.org>
>
>  
>
>>I don't think there is a function for popping them up in the system.
>>Many armchair critics are not aware of the distinction between
>>Microsoft's proprietary C++ GUI toolkit (MFC) and what is available
>>directly from the OS APIs, so we often get slated for not using feature
>>X, when reimplementing it using the OS APIs is non-trivial.
>>    
>>
>
>There is a window class (is that the term?) TOOLTIPS_CLASS which can be used
>with CreateWindowEx. I am not an expert on this but there are examples in
>MSDN.
>  
>
That documentation is for the "Common Controls" API, which is a 
constantly changing API, the availability of which depends on which 
version of Windows you have installed, and which other software you have 
installed that might have installed later versions.

As such, I do not beleive that it fits the definition of "anything that 
is normally distributed (in either source or binary form) with the major 
components (compiler, kernel, and so on) of the operating system on 
which the executable runs", and certainly we cannot redistribute some 
version of it to guarantee minimum functionality above what was included 
in the original release of Windows NT.

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