[winGRASS] More info on libW11

[Malcolm Blue]

Mike,

I was working on this back in April/May but haven't had time to complete
porting.

The following defines should be added to xlib.h to resolve a number of the
problems you reported:

#define BlackPixel(dpy, scr) 	(((dpy)->screens[(scr)]).black_pixel)
#define WhitePixel(dpy, scr) 	(((dpy)->screens[(scr)]).white_pixel)
#define DefaultScreenOfDisplay(dpy)
(&((dpy)->screens[(dpy)->default_screen]))
#define DoesBackingStore(s)	((s)->backing_store)
#define DisplayString(dpy) 	((dpy)->display_name)
#define DisplayCells(dpy, scr) 	(DefaultVisual((dpy), (scr))->map_entries)
#define XAllocSizeHints()       ((XSizeHints *)G_malloc((size_t)
sizeof(XSizeHints)))
#define XAllocWMHints()       ((XWMHints *)G_malloc((size_t)
sizeof(XWMHints)))
#define XAllocClassHint()       ((XClassHint *)G_malloc((size_t)
sizeof(XClassHint)))


If I get a chance, I'll see if I can find any other hints about the changes
I made to the XDRIVER code.

HTH,

Malcolm

-----Original Message-----
From: wingrass-admin at grass.itc.it [mailto:wingrass-admin at grass.itc.it]On
Behalf Of Mike Thomas
Sent: Tuesday, September 11, 2001 2:49 AM
To: wingrass at grass.itc.it
Subject: [winGRASS] More info on libW11


Hi again.

I had a go at libW11 - got the source and built it - no worries.  Tried the
XDRIVER, but discovered some limitations:

-------------------
Graph_set.c:

"X11/Xos.h" is not present (comes in via "includes.h", don't know what this
one is used for - commented out)

"X11/cursorfont.h" is an empty (dummy) header so "XC_crosshair" and
"XC_watch" are missing - set to zero .

Same with "X11/Xutil.h" - "IconPixmapHint" - commented out.

-----------------------
Serve_Xevent.c:

O_WR/RD/ONLY not defined - added "#include <sys/fcntl.h>"


-----------------------
These functions are missing at link time and from the headers:

XAllocSizeHints
XAllocWMHints
XAllocClassHint
XSetWindowColormap
XFreeColormap
BlackPixel
WhitePixel
XUndefineCursor
XDisplayName
XSetBackground
ConnectionNumber
XGetGCValues
XGetWMName
XSetWMName
XNoOp


It looks as though this might turn out to be another viable option for the
Win32 port display device assuming functionality is OK.

Has anyone some suggestions on how best to work around these missing
functions?

Cheers

Mike Thomas.

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