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/* $Header$ */ |
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|
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/* |
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* xutil.c -- |
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* |
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* This function contains generic X emulation routines. |
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* |
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* Copyright (c) 1995-1996 Sun Microsystems, Inc. |
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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: xutil.c,v 1.1.1.1 2001/06/13 05:16:00 dtashley Exp $ |
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*/ |
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|
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#include <stdlib.h> |
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#include "tk.h" |
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|
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#ifdef MAC_TCL |
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# include <Xutil.h> |
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# include <Xatom.h> |
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#else |
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# include "Xutil.h" |
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# include "Xatom.h" |
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#endif |
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|
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/* |
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*---------------------------------------------------------------------- |
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* |
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* XInternAtom -- |
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* |
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* This procedure simulates the XInternAtom function by calling |
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* Tk_Uid to get a unique id for every atom. This is only a |
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* partial implementation, since it doesn't work across |
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* applications. |
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* |
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* Results: |
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* A new Atom. |
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* |
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* Side effects: |
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* None. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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|
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Atom |
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XInternAtom(display, atom_name, only_if_exists) |
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Display* display; |
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_Xconst char* atom_name; |
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Bool only_if_exists; |
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{ |
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static Atom atom = XA_LAST_PREDEFINED; |
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|
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display->request++; |
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return ++atom; |
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} |
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|
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/* |
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*---------------------------------------------------------------------- |
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* |
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* XGetVisualInfo -- |
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* |
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* Returns information about the specified visual. |
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* |
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* Results: |
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* Returns a newly allocated XVisualInfo structure. |
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* |
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* Side effects: |
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* Allocates storage. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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|
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XVisualInfo * |
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XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return) |
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Display* display; |
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long vinfo_mask; |
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XVisualInfo* vinfo_template; |
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int* nitems_return; |
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{ |
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XVisualInfo *info = (XVisualInfo *)ckalloc(sizeof(XVisualInfo)); |
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info->visual = DefaultVisual(display, 0); |
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info->visualid = info->visual->visualid; |
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info->screen = 0; |
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info->depth = info->visual->bits_per_rgb; |
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info->class = info->visual->class; |
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info->colormap_size = info->visual->map_entries; |
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info->bits_per_rgb = info->visual->bits_per_rgb; |
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info->red_mask = info->visual->red_mask; |
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info->green_mask = info->visual->green_mask; |
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info->blue_mask = info->visual->blue_mask; |
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|
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if (((vinfo_mask & VisualIDMask) |
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&& (vinfo_template->visualid != info->visualid)) |
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|| ((vinfo_mask & VisualScreenMask) |
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&& (vinfo_template->screen != info->screen)) |
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|| ((vinfo_mask & VisualDepthMask) |
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&& (vinfo_template->depth != info->depth)) |
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|| ((vinfo_mask & VisualClassMask) |
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&& (vinfo_template->class != info->class)) |
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|| ((vinfo_mask & VisualColormapSizeMask) |
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&& (vinfo_template->colormap_size != info->colormap_size)) |
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|| ((vinfo_mask & VisualBitsPerRGBMask) |
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&& (vinfo_template->bits_per_rgb != info->bits_per_rgb)) |
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|| ((vinfo_mask & VisualRedMaskMask) |
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&& (vinfo_template->red_mask != info->red_mask)) |
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|| ((vinfo_mask & VisualGreenMaskMask) |
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&& (vinfo_template->green_mask != info->green_mask)) |
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|| ((vinfo_mask & VisualBlueMaskMask) |
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&& (vinfo_template->blue_mask != info->blue_mask)) |
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) { |
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ckfree((char *) info); |
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return NULL; |
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} |
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|
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*nitems_return = 1; |
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return info; |
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} |
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|
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/* End of xutil.c */ |
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