117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/*
|
||
* xutil.c --
|
||
*
|
||
* This function contains generic X emulation routines.
|
||
*
|
||
* Copyright (c) 1995-1996 Sun Microsystems, Inc.
|
||
*
|
||
* See the file "license.terms" for information on usage and redistribution
|
||
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||
*
|
||
* SCCS: @(#) xutil.c 1.10 96/04/09 23:26:21
|
||
*/
|
||
|
||
#include <stdlib.h>
|
||
#include <tk.h>
|
||
|
||
#ifdef MAC_TCL
|
||
# include <Xutil.h>
|
||
# include <Xatom.h>
|
||
#else
|
||
# include <X11/Xutil.h>
|
||
# include <X11/Xatom.h>
|
||
#endif
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XInternAtom --
|
||
*
|
||
* This procedure simulates the XInternAtom function by calling
|
||
* Tk_Uid to get a unique id for every atom. This is only a
|
||
* partial implementation, since it doesn't work across
|
||
* applications.
|
||
*
|
||
* Results:
|
||
* A new Atom.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Atom
|
||
XInternAtom(display, atom_name, only_if_exists)
|
||
Display* display;
|
||
_Xconst char* atom_name;
|
||
Bool only_if_exists;
|
||
{
|
||
static Atom atom = XA_LAST_PREDEFINED;
|
||
|
||
display->request++;
|
||
return ++atom;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XGetVisualInfo --
|
||
*
|
||
* Returns information about the specified visual.
|
||
*
|
||
* Results:
|
||
* Returns a newly allocated XVisualInfo structure.
|
||
*
|
||
* Side effects:
|
||
* Allocates storage.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
XVisualInfo *
|
||
XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return)
|
||
Display* display;
|
||
long vinfo_mask;
|
||
XVisualInfo* vinfo_template;
|
||
int* nitems_return;
|
||
{
|
||
XVisualInfo *info = (XVisualInfo *)ckalloc(sizeof(XVisualInfo));
|
||
info->visual = DefaultVisual(display, 0);
|
||
info->visualid = info->visual->visualid;
|
||
info->screen = 0;
|
||
info->depth = info->visual->bits_per_rgb;
|
||
info->class = info->visual->class;
|
||
info->colormap_size = info->visual->map_entries;
|
||
info->bits_per_rgb = info->visual->bits_per_rgb;
|
||
info->red_mask = info->visual->red_mask;
|
||
info->green_mask = info->visual->green_mask;
|
||
info->blue_mask = info->visual->blue_mask;
|
||
|
||
if (((vinfo_mask & VisualIDMask)
|
||
&& (vinfo_template->visualid != info->visualid))
|
||
|| ((vinfo_mask & VisualScreenMask)
|
||
&& (vinfo_template->screen != info->screen))
|
||
|| ((vinfo_mask & VisualDepthMask)
|
||
&& (vinfo_template->depth != info->depth))
|
||
|| ((vinfo_mask & VisualClassMask)
|
||
&& (vinfo_template->class != info->class))
|
||
|| ((vinfo_mask & VisualColormapSizeMask)
|
||
&& (vinfo_template->colormap_size != info->colormap_size))
|
||
|| ((vinfo_mask & VisualBitsPerRGBMask)
|
||
&& (vinfo_template->bits_per_rgb != info->bits_per_rgb))
|
||
|| ((vinfo_mask & VisualRedMaskMask)
|
||
&& (vinfo_template->red_mask != info->red_mask))
|
||
|| ((vinfo_mask & VisualGreenMaskMask)
|
||
&& (vinfo_template->green_mask != info->green_mask))
|
||
|| ((vinfo_mask & VisualBlueMaskMask)
|
||
&& (vinfo_template->blue_mask != info->blue_mask))
|
||
) {
|
||
ckfree((char *) info);
|
||
return NULL;
|
||
}
|
||
|
||
*nitems_return = 1;
|
||
return info;
|
||
}
|