Unable to create a redirected window with a rgba-colormap

[Alan Coopersmith]

Russell Shaw wrote:
> Mirco Müller wrote:
>> Am Samstag, den 08.12.2007, 07:59 +0100 schrieb Mirco Müller:
>>
>>> When calling XCreateWindow() like...
>>>
>>>         window = XCreateWindow (pDisplay,
>>>         			RootWindow (pDisplay,
>>>         				    pVisInfo[i].screen),
>>>         			50,
>>>         			50,
>>>         			300,
>>>         			300,
>>>         			0,
>>>         			pVisInfo[i].depth,
>>>         			InputOutput,
>>>         			pVisInfo[i].visual,
>>>         			iWindowAttribsMask,
>>>         			&windowAttribs);
>>>
>>> I get a...
>>>
>>>         X Error of failed request:  BadMatch (invalid parameter attributes)
>>>           Major opcode of failed request:  1 (X_CreateWindow)
>>>           Serial number of failed request:  13
>>>           Current serial number in output stream:  16
>> 	In the meantime I was able to fix this by the very "scientific"
>> approach of trial-and-error. It turned out to be missing...
>>
>>         windowAttribs.border_pixel = 0;
>>
>> ... and...
>>
>>         iWindowAttribsMask = CWBorderPixel | CWEventMask | CWColormap;
>>
>> 	I really tried this by pure chance as there is nothing in the man-page
>> of XCreateWindow() hinting someone towards this. This makes me wonder
>> again how anybody can properly learn developing against X11.
> 
> You really need the "XLIB Programming Manual".
> 
> http://www.amazon.com/Programming-Manual-Definitive-Guides-Window/dp/1565920023/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1197120206&sr=8-1
> 
> also "XLIB Reference Manual R5":
> 
> http://www.amazon.com/Reference-Manual-Definitive-Guides-Window/dp/1565920066/ref=pd_sim_b_title_1

O'Reilly has made the Xlib Reference Manual, and several other books from
that series, available online for free - unfortunately, not yet the
Programming Manual.  I've put links to them in the wiki at:
	http://wiki.x.org/wiki/ProgrammingDocumentation
and
	http://wiki.x.org/wiki/UserDocumentation

-- 
	-Alan Coopersmith-           alan.coopersmith at sun.com
	 Sun Microsystems, Inc. - X Window System Engineering