[Xmonad] Issue 29 in xmonad: MergeFB " Pseudo" Xinerama not supported

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Issue 29: MergeFB "Pseudo" Xinerama not supported
http://code.google.com/p/xmonad/issues/detail?id=29

New issue report by Ulrich.Pfeifer:
The current code does only support real Xinerama Screens.
If the setup is a MergeFB one with Pseudo Xinerama Screens, it is
not detected.  The following C-Code does find the rectangles (should
also find the rectangles in real Xinerama mode):

        if(XineramaQueryExtension(ioncore_g.dpy, &event_base, &error_base)){
            xi=XineramaQueryScreens(ioncore_g.dpy, &nxi);
            
            if(xi!=NULL){
              for(i=0; i<nxi; i++){
                {
                  fprintf(out,"Xinerama screen (%d,%d) %dx%d\n",
xi[i].x_org, xi[i].y_org, xi[i].width, xi[i].height);
                }
              }
            }
        }


What steps will reproduce the problem?
The current code does only support real Xinerama Screens.
If the setup is a MergeFB one with Pseudo Xinerama Screens, it is
not detected.  The following C-Code does find the rectangles (should
also find the rectangles in real Xinerama mode):

        if(XineramaQueryExtension(ioncore_g.dpy, &event_base, &error_base)){
            xi=XineramaQueryScreens(ioncore_g.dpy, &nxi);
            
            if(xi!=NULL){
              for(i=0; i<nxi; i++){
                {
                  fprintf(out,"Xinerama screen (%d,%d) %dx%d\n",
xi[i].x_org, xi[i].y_org, xi[i].width, xi[i].height);
                }
              }
            }
        }

Here are some parts of the xorg.conf:

	Option		"MergedFB"	"true"
	Option		"CRT2Position"	"LeftOf"
	Option		"CRT2HSync"	"30-82"
	Option		"CRT2VRefresh"	"56-76"
	Option		 "MergedNonRectangular"	"true"
        Option           "MergedXineramaCRT2IsScreen0" "false"
	Option          "MetaModes"	"1024x768-1440x900 1024x768"

xmonad does only recognize the whole pan area, not the viewports.


I complied x11-extra and xmonad straight from the darcs repository.

Ulrich



Issue attributes:
	Status: New
	Owner: ----
	Labels: Type-Defect Priority-Medium

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