| 1 |
578 |
markom |
/*
|
| 2 |
|
|
* xutil.c --
|
| 3 |
|
|
*
|
| 4 |
|
|
* This function contains generic X emulation routines.
|
| 5 |
|
|
*
|
| 6 |
|
|
* Copyright (c) 1995-1996 Sun Microsystems, Inc.
|
| 7 |
|
|
*
|
| 8 |
|
|
* See the file "license.terms" for information on usage and redistribution
|
| 9 |
|
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
| 10 |
|
|
*
|
| 11 |
|
|
* RCS: @(#) $Id: xutil.c,v 1.1.1.1 2002-01-16 10:26:04 markom Exp $
|
| 12 |
|
|
*/
|
| 13 |
|
|
|
| 14 |
|
|
#include <stdlib.h>
|
| 15 |
|
|
#include <tk.h>
|
| 16 |
|
|
|
| 17 |
|
|
#ifdef MAC_TCL
|
| 18 |
|
|
# include <Xutil.h>
|
| 19 |
|
|
# include <Xatom.h>
|
| 20 |
|
|
#else
|
| 21 |
|
|
# include <X11/Xutil.h>
|
| 22 |
|
|
# include <X11/Xatom.h>
|
| 23 |
|
|
#endif
|
| 24 |
|
|
|
| 25 |
|
|
/*
|
| 26 |
|
|
*----------------------------------------------------------------------
|
| 27 |
|
|
*
|
| 28 |
|
|
* XInternAtom --
|
| 29 |
|
|
*
|
| 30 |
|
|
* This procedure simulates the XInternAtom function by calling
|
| 31 |
|
|
* Tk_Uid to get a unique id for every atom. This is only a
|
| 32 |
|
|
* partial implementation, since it doesn't work across
|
| 33 |
|
|
* applications.
|
| 34 |
|
|
*
|
| 35 |
|
|
* Results:
|
| 36 |
|
|
* A new Atom.
|
| 37 |
|
|
*
|
| 38 |
|
|
* Side effects:
|
| 39 |
|
|
* None.
|
| 40 |
|
|
*
|
| 41 |
|
|
*----------------------------------------------------------------------
|
| 42 |
|
|
*/
|
| 43 |
|
|
|
| 44 |
|
|
Atom
|
| 45 |
|
|
XInternAtom(display, atom_name, only_if_exists)
|
| 46 |
|
|
Display* display;
|
| 47 |
|
|
_Xconst char* atom_name;
|
| 48 |
|
|
Bool only_if_exists;
|
| 49 |
|
|
{
|
| 50 |
|
|
static Atom atom = XA_LAST_PREDEFINED;
|
| 51 |
|
|
|
| 52 |
|
|
display->request++;
|
| 53 |
|
|
return ++atom;
|
| 54 |
|
|
}
|
| 55 |
|
|
|
| 56 |
|
|
/*
|
| 57 |
|
|
*----------------------------------------------------------------------
|
| 58 |
|
|
*
|
| 59 |
|
|
* XGetVisualInfo --
|
| 60 |
|
|
*
|
| 61 |
|
|
* Returns information about the specified visual.
|
| 62 |
|
|
*
|
| 63 |
|
|
* Results:
|
| 64 |
|
|
* Returns a newly allocated XVisualInfo structure.
|
| 65 |
|
|
*
|
| 66 |
|
|
* Side effects:
|
| 67 |
|
|
* Allocates storage.
|
| 68 |
|
|
*
|
| 69 |
|
|
*----------------------------------------------------------------------
|
| 70 |
|
|
*/
|
| 71 |
|
|
|
| 72 |
|
|
XVisualInfo *
|
| 73 |
|
|
XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return)
|
| 74 |
|
|
Display* display;
|
| 75 |
|
|
long vinfo_mask;
|
| 76 |
|
|
XVisualInfo* vinfo_template;
|
| 77 |
|
|
int* nitems_return;
|
| 78 |
|
|
{
|
| 79 |
|
|
XVisualInfo *info = (XVisualInfo *)ckalloc(sizeof(XVisualInfo));
|
| 80 |
|
|
info->visual = DefaultVisual(display, 0);
|
| 81 |
|
|
info->visualid = info->visual->visualid;
|
| 82 |
|
|
info->screen = 0;
|
| 83 |
|
|
info->depth = info->visual->bits_per_rgb;
|
| 84 |
|
|
info->class = info->visual->class;
|
| 85 |
|
|
info->colormap_size = info->visual->map_entries;
|
| 86 |
|
|
info->bits_per_rgb = info->visual->bits_per_rgb;
|
| 87 |
|
|
info->red_mask = info->visual->red_mask;
|
| 88 |
|
|
info->green_mask = info->visual->green_mask;
|
| 89 |
|
|
info->blue_mask = info->visual->blue_mask;
|
| 90 |
|
|
|
| 91 |
|
|
if (((vinfo_mask & VisualIDMask)
|
| 92 |
|
|
&& (vinfo_template->visualid != info->visualid))
|
| 93 |
|
|
|| ((vinfo_mask & VisualScreenMask)
|
| 94 |
|
|
&& (vinfo_template->screen != info->screen))
|
| 95 |
|
|
|| ((vinfo_mask & VisualDepthMask)
|
| 96 |
|
|
&& (vinfo_template->depth != info->depth))
|
| 97 |
|
|
|| ((vinfo_mask & VisualClassMask)
|
| 98 |
|
|
&& (vinfo_template->class != info->class))
|
| 99 |
|
|
|| ((vinfo_mask & VisualColormapSizeMask)
|
| 100 |
|
|
&& (vinfo_template->colormap_size != info->colormap_size))
|
| 101 |
|
|
|| ((vinfo_mask & VisualBitsPerRGBMask)
|
| 102 |
|
|
&& (vinfo_template->bits_per_rgb != info->bits_per_rgb))
|
| 103 |
|
|
|| ((vinfo_mask & VisualRedMaskMask)
|
| 104 |
|
|
&& (vinfo_template->red_mask != info->red_mask))
|
| 105 |
|
|
|| ((vinfo_mask & VisualGreenMaskMask)
|
| 106 |
|
|
&& (vinfo_template->green_mask != info->green_mask))
|
| 107 |
|
|
|| ((vinfo_mask & VisualBlueMaskMask)
|
| 108 |
|
|
&& (vinfo_template->blue_mask != info->blue_mask))
|
| 109 |
|
|
) {
|
| 110 |
|
|
ckfree((char *) info);
|
| 111 |
|
|
return NULL;
|
| 112 |
|
|
}
|
| 113 |
|
|
|
| 114 |
|
|
*nitems_return = 1;
|
| 115 |
|
|
return info;
|
| 116 |
|
|
}
|
